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/* |
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* Copyright (C) 2005-2007 Anders Gavare. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* |
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* $Id: cpu_sh_instr.c,v 1.64 2007/06/28 13:36:47 debug Exp $ |
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* |
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* SH instructions. |
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* |
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* Individual functions should keep track of cpu->n_translated_instrs. |
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* (If no instruction was executed, then it should be decreased. If, say, 4 |
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* instructions were combined into one function and executed, then it should |
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* be increased by 3.) |
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*/ |
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|
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|
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#define SYNCH_PC { \ |
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int low_pc = ((size_t)ic - (size_t)cpu->cd.sh.cur_ic_page) \ |
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/ sizeof(struct sh_instr_call); \ |
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cpu->pc &= ~((SH_IC_ENTRIES_PER_PAGE-1) \ |
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<< SH_INSTR_ALIGNMENT_SHIFT); \ |
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cpu->pc += (low_pc << SH_INSTR_ALIGNMENT_SHIFT); \ |
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} |
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|
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#define RES_INST_IF_NOT_MD \ |
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if (!(cpu->cd.sh.sr & SH_SR_MD)) { \ |
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SYNCH_PC; \ |
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sh_exception(cpu, EXPEVT_RES_INST, 0, 0); \ |
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return; \ |
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} |
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|
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#define FLOATING_POINT_AVAILABLE_CHECK \ |
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if (cpu->cd.sh.sr & SH_SR_FD) { \ |
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/* FPU disabled: Cause exception. */ \ |
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SYNCH_PC; \ |
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if (cpu->delay_slot) \ |
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sh_exception(cpu, EXPEVT_FPU_SLOT_DISABLE, 0, 0);\ |
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else \ |
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sh_exception(cpu, EXPEVT_FPU_DISABLE, 0, 0); \ |
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return; \ |
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} |
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|
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|
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/* |
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* nop: Nothing |
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*/ |
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X(nop) |
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{ |
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} |
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|
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|
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/* |
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* sleep: Wait for interrupt |
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*/ |
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X(sleep) |
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{ |
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RES_INST_IF_NOT_MD; |
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|
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/* |
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* If there is an interrupt, then just return. Otherwise |
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* re-run the sleep instruction (after a delay). |
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*/ |
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if (cpu->cd.sh.int_to_assert > 0 && !(cpu->cd.sh.sr & SH_SR_BL) |
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&& ((cpu->cd.sh.sr & SH_SR_IMASK) >> SH_SR_IMASK_SHIFT) |
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< cpu->cd.sh.int_level) |
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return; |
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|
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cpu->cd.sh.next_ic = ic; |
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cpu->is_halted = 1; |
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cpu->has_been_idling = 1; |
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|
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/* |
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* There was no interrupt. Let the host sleep for a while. |
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* |
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* TODO: |
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* |
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* Think about how to actually implement this usleep stuff, |
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* in an SMP and/or timing accurate environment. |
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*/ |
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|
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if (cpu->machine->ncpus == 1) { |
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static int x = 0; |
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|
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if ((++x) == 600) { |
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usleep(10); |
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x = 0; |
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} |
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|
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cpu->n_translated_instrs += N_SAFE_DYNTRANS_LIMIT / 6; |
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} |
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} |
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|
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|
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/* |
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* sett: t = 1 |
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* sets: s = 1 |
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* clrt: t = 1 |
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* clrs: s = 1 |
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* movt_rn: rn = t |
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* clrmac: mach = macl = 0 |
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* |
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* arg[1] = ptr to rn |
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*/ |
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X(sett) { cpu->cd.sh.sr |= SH_SR_T; } |
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X(sets) { cpu->cd.sh.sr |= SH_SR_S; } |
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X(clrt) { cpu->cd.sh.sr &= ~SH_SR_T; } |
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X(clrs) { cpu->cd.sh.sr &= ~SH_SR_S; } |
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X(movt_rn) { reg(ic->arg[1]) = cpu->cd.sh.sr & SH_SR_T? 1 : 0; } |
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X(clrmac) { cpu->cd.sh.macl = cpu->cd.sh.mach = 0; } |
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|
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|
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/* |
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* mov_rm_rn: rn = rm |
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* neg_rm_rn: rn = -rm |
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* negc_rm_rn: rn = -rm - t, t = borrow |
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* not_rm_rn: rn = ~rm |
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* swap_b_rm_rn: rn = rm with lowest 2 bytes swapped |
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* swap_w_rm_rn: rn = rm with high and low 16-bit words swapped |
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* exts_b_rm_rn: rn = (int8_t) rm |
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* extu_b_rm_rn: rn = (uint8_t) rm |
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* exts_w_rm_rn: rn = (int16_t) rm |
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* extu_w_rm_rn: rn = (uint16_t) rm |
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* |
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* arg[0] = ptr to rm |
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* arg[1] = ptr to rn |
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*/ |
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X(mov_rm_rn) { reg(ic->arg[1]) = reg(ic->arg[0]); } |
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X(not_rm_rn) { reg(ic->arg[1]) = ~reg(ic->arg[0]); } |
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X(neg_rm_rn) { reg(ic->arg[1]) = -reg(ic->arg[0]); } |
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X(negc_rm_rn) |
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{ |
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uint64_t res = 0; |
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res -= (uint64_t) reg(ic->arg[0]); |
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if (cpu->cd.sh.sr & SH_SR_T) |
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res --; |
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if ((res >> 32) & 1) |
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cpu->cd.sh.sr |= SH_SR_T; |
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else |
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cpu->cd.sh.sr &= ~SH_SR_T; |
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reg(ic->arg[1]) = (uint32_t) res; |
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} |
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X(swap_b_rm_rn) |
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{ |
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uint32_t r = reg(ic->arg[0]); |
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reg(ic->arg[1]) = (r & 0xffff0000) | ((r >> 8)&0xff) | ((r&0xff) << 8); |
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} |
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X(swap_w_rm_rn) |
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{ |
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uint32_t r = reg(ic->arg[0]); |
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reg(ic->arg[1]) = (r >> 16) | (r << 16); |
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} |
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X(exts_b_rm_rn) { reg(ic->arg[1]) = (int8_t)reg(ic->arg[0]); } |
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X(extu_b_rm_rn) { reg(ic->arg[1]) = (uint8_t)reg(ic->arg[0]); } |
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X(exts_w_rm_rn) { reg(ic->arg[1]) = (int16_t)reg(ic->arg[0]); } |
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X(extu_w_rm_rn) { reg(ic->arg[1]) = (uint16_t)reg(ic->arg[0]); } |
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/* Note: rm and rn are the same on these: */ |
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X(extu_b_rm) { reg(ic->arg[1]) = (uint8_t)reg(ic->arg[1]); } |
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X(extu_w_rm) { reg(ic->arg[1]) = (uint16_t)reg(ic->arg[1]); } |
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|
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|
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/* |
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* and_imm_r0: r0 &= imm |
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* xor_imm_r0: r0 ^= imm |
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* tst_imm_r0: t = (r0 & imm) == 0 |
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* or_imm_r0: r0 |= imm |
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* |
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* arg[0] = imm |
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*/ |
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X(and_imm_r0) { cpu->cd.sh.r[0] &= ic->arg[0]; } |
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X(xor_imm_r0) { cpu->cd.sh.r[0] ^= ic->arg[0]; } |
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X(or_imm_r0) { cpu->cd.sh.r[0] |= ic->arg[0]; } |
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X(tst_imm_r0) |
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{ |
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if (cpu->cd.sh.r[0] & ic->arg[0]) |
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cpu->cd.sh.sr &= ~SH_SR_T; |
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else |
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cpu->cd.sh.sr |= SH_SR_T; |
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} |
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|
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|
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/* |
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* xor_b_imm_r0_gbr: mem[r0+gbr] |= imm |
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* or_b_imm_r0_gbr: mem[r0+gbr] ^= imm |
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* and_b_imm_r0_gbr: mem[r0+gbr] &= imm |
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* |
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* arg[0] = imm |
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*/ |
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X(xor_b_imm_r0_gbr) |
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{ |
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uint32_t addr = cpu->cd.sh.gbr + cpu->cd.sh.r[0]; |
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uint8_t *p = (uint8_t *) cpu->cd.sh.host_store[addr >> 12]; |
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|
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if (p != NULL) { |
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p[addr & 0xfff] ^= ic->arg[0]; |
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} else { |
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uint8_t data; |
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SYNCH_PC; |
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if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
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sizeof(data), MEM_READ, CACHE_DATA)) { |
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/* Exception. */ |
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return; |
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} |
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data ^= ic->arg[0]; |
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if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
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sizeof(data), MEM_WRITE, CACHE_DATA)) { |
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/* Exception. */ |
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return; |
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} |
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} |
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} |
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X(or_b_imm_r0_gbr) |
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{ |
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uint32_t addr = cpu->cd.sh.gbr + cpu->cd.sh.r[0]; |
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uint8_t *p = (uint8_t *) cpu->cd.sh.host_store[addr >> 12]; |
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|
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if (p != NULL) { |
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p[addr & 0xfff] |= ic->arg[0]; |
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} else { |
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uint8_t data; |
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SYNCH_PC; |
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if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
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sizeof(data), MEM_READ, CACHE_DATA)) { |
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/* Exception. */ |
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return; |
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} |
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data |= ic->arg[0]; |
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if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
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sizeof(data), MEM_WRITE, CACHE_DATA)) { |
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/* Exception. */ |
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return; |
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} |
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} |
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} |
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X(and_b_imm_r0_gbr) |
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{ |
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uint32_t addr = cpu->cd.sh.gbr + cpu->cd.sh.r[0]; |
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uint8_t *p = (uint8_t *) cpu->cd.sh.host_store[addr >> 12]; |
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|
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if (p != NULL) { |
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p[addr & 0xfff] &= ic->arg[0]; |
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} else { |
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uint8_t data; |
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SYNCH_PC; |
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if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
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sizeof(data), MEM_READ, CACHE_DATA)) { |
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/* Exception. */ |
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return; |
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} |
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data &= ic->arg[0]; |
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if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
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sizeof(data), MEM_WRITE, CACHE_DATA)) { |
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/* Exception. */ |
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return; |
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} |
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} |
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} |
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|
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|
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/* |
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* mov_imm_rn: Set rn to a signed 8-bit value |
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* add_imm_rn: Add a signed 8-bit value to Rn |
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* |
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* arg[0] = int8_t imm, extended to at least int32_t |
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* arg[1] = ptr to rn |
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*/ |
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X(mov_imm_rn) { reg(ic->arg[1]) = ic->arg[0]; } |
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X(mov_0_rn) { reg(ic->arg[1]) = 0; } |
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X(add_imm_rn) { reg(ic->arg[1]) += ic->arg[0]; } |
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X(inc_rn) { reg(ic->arg[1]) ++; } |
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X(add_4_rn) { reg(ic->arg[1]) += 4; } |
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X(sub_4_rn) { reg(ic->arg[1]) -= 4; } |
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X(dec_rn) { reg(ic->arg[1]) --; } |
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|
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|
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/* |
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* mov_b_rm_predec_rn: mov.b reg,@-Rn |
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* mov_w_rm_predec_rn: mov.w reg,@-Rn |
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* mov_l_rm_predec_rn: mov.l reg,@-Rn |
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* stc_l_rm_predec_rn_md: mov.l reg,@-Rn, with MD status bit check |
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* |
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* arg[0] = ptr to rm (or other register) |
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* arg[1] = ptr to rn |
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*/ |
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X(mov_b_rm_predec_rn) |
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{ |
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uint32_t addr = reg(ic->arg[1]) - sizeof(uint8_t); |
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int8_t *p = (int8_t *) cpu->cd.sh.host_store[addr >> 12]; |
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int8_t data = reg(ic->arg[0]); |
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if (p != NULL) { |
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p[addr & 0xfff] = data; |
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reg(ic->arg[1]) = addr; |
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} else { |
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SYNCH_PC; |
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if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
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sizeof(data), MEM_WRITE, CACHE_DATA)) { |
318 |
/* Exception. */ |
319 |
return; |
320 |
} |
321 |
/* The store was ok: */ |
322 |
reg(ic->arg[1]) = addr; |
323 |
} |
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} |
325 |
X(mov_w_rm_predec_rn) |
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{ |
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uint32_t addr = reg(ic->arg[1]) - sizeof(uint16_t); |
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uint16_t *p = (uint16_t *) cpu->cd.sh.host_store[addr >> 12]; |
329 |
uint16_t data = reg(ic->arg[0]); |
330 |
|
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if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
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data = LE16_TO_HOST(data); |
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else |
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data = BE16_TO_HOST(data); |
335 |
|
336 |
if (p != NULL) { |
337 |
p[(addr & 0xfff) >> 1] = data; |
338 |
reg(ic->arg[1]) = addr; |
339 |
} else { |
340 |
SYNCH_PC; |
341 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
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sizeof(data), MEM_WRITE, CACHE_DATA)) { |
343 |
/* Exception. */ |
344 |
return; |
345 |
} |
346 |
/* The store was ok: */ |
347 |
reg(ic->arg[1]) = addr; |
348 |
} |
349 |
} |
350 |
X(mov_l_rm_predec_rn) |
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{ |
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uint32_t addr = reg(ic->arg[1]) - sizeof(uint32_t); |
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uint32_t *p = (uint32_t *) cpu->cd.sh.host_store[addr >> 12]; |
354 |
uint32_t data = reg(ic->arg[0]); |
355 |
|
356 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
357 |
data = LE32_TO_HOST(data); |
358 |
else |
359 |
data = BE32_TO_HOST(data); |
360 |
|
361 |
if (p != NULL) { |
362 |
p[(addr & 0xfff) >> 2] = data; |
363 |
reg(ic->arg[1]) = addr; |
364 |
} else { |
365 |
SYNCH_PC; |
366 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
367 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
368 |
/* Exception. */ |
369 |
return; |
370 |
} |
371 |
/* The store was ok: */ |
372 |
reg(ic->arg[1]) = addr; |
373 |
} |
374 |
} |
375 |
X(stc_l_rm_predec_rn_md) |
376 |
{ |
377 |
uint32_t addr = reg(ic->arg[1]) - sizeof(uint32_t); |
378 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_store[addr >> 12]; |
379 |
uint32_t data = reg(ic->arg[0]); |
380 |
|
381 |
RES_INST_IF_NOT_MD; |
382 |
|
383 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
384 |
data = LE32_TO_HOST(data); |
385 |
else |
386 |
data = BE32_TO_HOST(data); |
387 |
|
388 |
if (p != NULL) { |
389 |
p[(addr & 0xfff) >> 2] = data; |
390 |
reg(ic->arg[1]) = addr; |
391 |
} else { |
392 |
SYNCH_PC; |
393 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
394 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
395 |
/* Exception. */ |
396 |
return; |
397 |
} |
398 |
/* The store was ok: */ |
399 |
reg(ic->arg[1]) = addr; |
400 |
} |
401 |
} |
402 |
|
403 |
|
404 |
/* |
405 |
* mov_l_disp_pc_rn: Load a 32-bit value into a register, |
406 |
* from an immediate address relative to the pc. |
407 |
* |
408 |
* arg[0] = offset from beginning of the current pc's page |
409 |
* arg[1] = ptr to rn |
410 |
*/ |
411 |
X(mov_l_disp_pc_rn) |
412 |
{ |
413 |
uint32_t addr = ic->arg[0] + (cpu->pc & |
414 |
~((SH_IC_ENTRIES_PER_PAGE-1) << SH_INSTR_ALIGNMENT_SHIFT)); |
415 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_load[addr >> 12]; |
416 |
uint32_t data; |
417 |
|
418 |
if (p != NULL) { |
419 |
data = p[(addr & 0xfff) >> 2]; |
420 |
} else { |
421 |
SYNCH_PC; |
422 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
423 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
424 |
/* Exception. */ |
425 |
return; |
426 |
} |
427 |
} |
428 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
429 |
data = LE32_TO_HOST(data); |
430 |
else |
431 |
data = BE32_TO_HOST(data); |
432 |
reg(ic->arg[1]) = data; |
433 |
} |
434 |
|
435 |
|
436 |
/* |
437 |
* mova_r0: Set r0 to an address close to the program counter. |
438 |
* |
439 |
* arg[0] = relative offset from beginning of the current pc's page |
440 |
*/ |
441 |
X(mova_r0) |
442 |
{ |
443 |
cpu->cd.sh.r[0] = ic->arg[0] + (cpu->pc & |
444 |
~((SH_IC_ENTRIES_PER_PAGE-1) << SH_INSTR_ALIGNMENT_SHIFT)); |
445 |
} |
446 |
|
447 |
|
448 |
/* |
449 |
* mov_w_disp_pc_rn: Load a 16-bit value into a register, |
450 |
* from an immediate address relative to the pc. |
451 |
* |
452 |
* arg[0] = offset from beginning of the current pc's page |
453 |
* arg[1] = ptr to rn |
454 |
*/ |
455 |
X(mov_w_disp_pc_rn) |
456 |
{ |
457 |
uint32_t addr = ic->arg[0] + (cpu->pc & |
458 |
~((SH_IC_ENTRIES_PER_PAGE-1) << SH_INSTR_ALIGNMENT_SHIFT)); |
459 |
uint16_t *p = (uint16_t *) cpu->cd.sh.host_load[addr >> 12]; |
460 |
uint16_t data; |
461 |
|
462 |
if (p != NULL) { |
463 |
data = p[(addr & 0xfff) >> 1]; |
464 |
} else { |
465 |
SYNCH_PC; |
466 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
467 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
468 |
/* Exception. */ |
469 |
return; |
470 |
} |
471 |
} |
472 |
|
473 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
474 |
data = LE16_TO_HOST(data); |
475 |
else |
476 |
data = BE16_TO_HOST(data); |
477 |
|
478 |
reg(ic->arg[1]) = (int16_t)data; |
479 |
} |
480 |
|
481 |
|
482 |
/* |
483 |
* load_b_rm_rn: Load an int8_t value into Rn from address Rm. |
484 |
* load_w_rm_rn: Load an int16_t value into Rn from address Rm. |
485 |
* load_l_rm_rn: Load a 32-bit value into Rn from address Rm. |
486 |
* fmov_rm_frn: Load a floating point value into FRn from address Rm. |
487 |
* fmov_r0_rm_frn: Load a floating point value into FRn from address R0+Rm. |
488 |
* fmov_rm_postinc_frn: Load a floating point value into FRn from address Rm. |
489 |
* mov_b_r0_rm_rn: Load an int8_t value into Rn from address Rm + R0. |
490 |
* mov_w_r0_rm_rn: Load an int16_t value into Rn from address Rm + R0. |
491 |
* mov_l_r0_rm_rn: Load a 32-bit value into Rn from address Rm + R0. |
492 |
* mov_l_disp_rm_rn: Load a 32-bit value into Rn from address Rm + disp. |
493 |
* mov_b_disp_rn_r0: Load an int8_t from Rn+disp into R0. |
494 |
* mov_w_disp_rn_r0: Load an int16_t from Rn+disp into R0. |
495 |
* mov_b_disp_gbr_r0: Load an int8_t from GBR+disp into R0. |
496 |
* mov_w_disp_gbr_r0: Load an int16_t from GBR+disp into R0. |
497 |
* mov_l_disp_gbr_r0: Load an int32_t from GBR+disp into R0. |
498 |
* mov_b_arg1_postinc_to_arg0: |
499 |
* mov_w_arg1_postinc_to_arg0: |
500 |
* mov_l_arg1_postinc_to_arg0: |
501 |
* mov_l_arg1_postinc_to_arg0_md: With MD (privilege level) check. |
502 |
* mov_l_arg1_postinc_to_arg0_fp: With FP check. |
503 |
* |
504 |
* arg[0] = ptr to rm (or rm + (lo4 << 4) for disp) |
505 |
* arg[1] = ptr to rn |
506 |
*/ |
507 |
X(load_b_rm_rn) |
508 |
{ |
509 |
uint32_t addr = reg(ic->arg[0]); |
510 |
uint8_t *p = (uint8_t *) cpu->cd.sh.host_load[addr >> 12]; |
511 |
uint8_t data; |
512 |
|
513 |
if (p != NULL) { |
514 |
data = p[addr & 0xfff]; |
515 |
} else { |
516 |
SYNCH_PC; |
517 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
518 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
519 |
/* Exception. */ |
520 |
return; |
521 |
} |
522 |
} |
523 |
reg(ic->arg[1]) = (int8_t) data; |
524 |
} |
525 |
X(load_w_rm_rn) |
526 |
{ |
527 |
uint32_t addr = reg(ic->arg[0]); |
528 |
int16_t *p = (int16_t *) cpu->cd.sh.host_load[addr >> 12]; |
529 |
int16_t data; |
530 |
|
531 |
if (p != NULL) { |
532 |
data = p[(addr & 0xfff) >> 1]; |
533 |
} else { |
534 |
SYNCH_PC; |
535 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
536 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
537 |
/* Exception. */ |
538 |
return; |
539 |
} |
540 |
} |
541 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
542 |
data = LE16_TO_HOST(data); |
543 |
else |
544 |
data = BE16_TO_HOST(data); |
545 |
reg(ic->arg[1]) = data; |
546 |
} |
547 |
X(load_l_rm_rn) |
548 |
{ |
549 |
uint32_t addr = reg(ic->arg[0]); |
550 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_load[addr >> 12]; |
551 |
uint32_t data; |
552 |
|
553 |
if (p != NULL) { |
554 |
data = p[(addr & 0xfff) >> 2]; |
555 |
} else { |
556 |
SYNCH_PC; |
557 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
558 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
559 |
/* Exception. */ |
560 |
return; |
561 |
} |
562 |
} |
563 |
|
564 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
565 |
data = LE32_TO_HOST(data); |
566 |
else |
567 |
data = BE32_TO_HOST(data); |
568 |
reg(ic->arg[1]) = data; |
569 |
} |
570 |
X(fmov_rm_frn) |
571 |
{ |
572 |
uint32_t addr = reg(ic->arg[0]); |
573 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_load[addr >> 12]; |
574 |
uint32_t data; |
575 |
|
576 |
FLOATING_POINT_AVAILABLE_CHECK; |
577 |
|
578 |
if (cpu->cd.sh.fpscr & SH_FPSCR_SZ) { |
579 |
fatal("fmov_rm_frn: sz=1 (register pair): TODO\n"); |
580 |
exit(1); |
581 |
} |
582 |
|
583 |
if (p != NULL) { |
584 |
data = p[(addr & 0xfff) >> 2]; |
585 |
} else { |
586 |
SYNCH_PC; |
587 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
588 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
589 |
/* Exception. */ |
590 |
return; |
591 |
} |
592 |
} |
593 |
|
594 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
595 |
data = LE32_TO_HOST(data); |
596 |
else |
597 |
data = BE32_TO_HOST(data); |
598 |
|
599 |
reg(ic->arg[1]) = data; |
600 |
} |
601 |
X(fmov_r0_rm_frn) |
602 |
{ |
603 |
uint32_t data, addr = reg(ic->arg[0]) + cpu->cd.sh.r[0]; |
604 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_load[addr >> 12]; |
605 |
|
606 |
FLOATING_POINT_AVAILABLE_CHECK; |
607 |
|
608 |
if (cpu->cd.sh.fpscr & SH_FPSCR_SZ) { |
609 |
fatal("fmov_rm_frn: sz=1 (register pair): TODO\n"); |
610 |
exit(1); |
611 |
} |
612 |
|
613 |
if (p != NULL) { |
614 |
data = p[(addr & 0xfff) >> 2]; |
615 |
} else { |
616 |
SYNCH_PC; |
617 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
618 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
619 |
/* Exception. */ |
620 |
return; |
621 |
} |
622 |
} |
623 |
|
624 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
625 |
data = LE32_TO_HOST(data); |
626 |
else |
627 |
data = BE32_TO_HOST(data); |
628 |
|
629 |
reg(ic->arg[1]) = data; |
630 |
} |
631 |
X(fmov_rm_postinc_frn) |
632 |
{ |
633 |
int d = cpu->cd.sh.fpscr & SH_FPSCR_SZ; |
634 |
uint32_t data, data2, addr = reg(ic->arg[0]); |
635 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_load[addr >> 12]; |
636 |
size_t r1 = ic->arg[1]; |
637 |
|
638 |
if (d) { |
639 |
/* xd instead of dr? */ |
640 |
int ofs = (r1 - (size_t)&cpu->cd.sh.fr[0]) / sizeof(uint32_t); |
641 |
if (ofs & 1) |
642 |
r1 = (size_t)&cpu->cd.sh.xf[ofs & ~1]; |
643 |
} |
644 |
|
645 |
FLOATING_POINT_AVAILABLE_CHECK; |
646 |
|
647 |
if (p != NULL) { |
648 |
data = p[(addr & 0xfff) >> 2]; |
649 |
} else { |
650 |
SYNCH_PC; |
651 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
652 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
653 |
/* Exception. */ |
654 |
return; |
655 |
} |
656 |
} |
657 |
|
658 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
659 |
data = LE32_TO_HOST(data); |
660 |
else |
661 |
data = BE32_TO_HOST(data); |
662 |
|
663 |
if (d) { |
664 |
/* Double-precision load: */ |
665 |
addr += 4; |
666 |
SYNCH_PC; |
667 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned |
668 |
char *)&data2, sizeof(data2), MEM_READ, CACHE_DATA)) |
669 |
return; |
670 |
|
671 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
672 |
data2 = LE32_TO_HOST(data2); |
673 |
else |
674 |
data2 = BE32_TO_HOST(data2); |
675 |
reg(r1 + 4) = data2; |
676 |
} |
677 |
|
678 |
reg(r1) = data; |
679 |
reg(ic->arg[0]) = addr + sizeof(uint32_t); |
680 |
} |
681 |
X(mov_b_disp_gbr_r0) |
682 |
{ |
683 |
uint32_t addr = cpu->cd.sh.gbr + ic->arg[1]; |
684 |
int8_t *p = (int8_t *) cpu->cd.sh.host_load[addr >> 12]; |
685 |
int8_t data; |
686 |
if (p != NULL) { |
687 |
data = p[addr & 0xfff]; |
688 |
} else { |
689 |
SYNCH_PC; |
690 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
691 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
692 |
/* Exception. */ |
693 |
return; |
694 |
} |
695 |
} |
696 |
cpu->cd.sh.r[0] = data; |
697 |
} |
698 |
X(mov_w_disp_gbr_r0) |
699 |
{ |
700 |
uint32_t addr = cpu->cd.sh.gbr + ic->arg[1]; |
701 |
int16_t *p = (int16_t *) cpu->cd.sh.host_load[addr >> 12]; |
702 |
int16_t data; |
703 |
if (p != NULL) { |
704 |
data = p[(addr & 0xfff) >> 1]; |
705 |
} else { |
706 |
SYNCH_PC; |
707 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
708 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
709 |
/* Exception. */ |
710 |
return; |
711 |
} |
712 |
} |
713 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
714 |
data = LE16_TO_HOST(data); |
715 |
else |
716 |
data = BE16_TO_HOST(data); |
717 |
cpu->cd.sh.r[0] = data; |
718 |
} |
719 |
X(mov_l_disp_gbr_r0) |
720 |
{ |
721 |
uint32_t addr = cpu->cd.sh.gbr + ic->arg[1]; |
722 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_load[addr >> 12]; |
723 |
uint32_t data; |
724 |
if (p != NULL) { |
725 |
data = p[(addr & 0xfff) >> 2]; |
726 |
} else { |
727 |
SYNCH_PC; |
728 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
729 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
730 |
/* Exception. */ |
731 |
return; |
732 |
} |
733 |
} |
734 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
735 |
data = LE32_TO_HOST(data); |
736 |
else |
737 |
data = BE32_TO_HOST(data); |
738 |
cpu->cd.sh.r[0] = data; |
739 |
} |
740 |
X(mov_b_arg1_postinc_to_arg0) |
741 |
{ |
742 |
uint32_t addr = reg(ic->arg[1]); |
743 |
int8_t *p = (int8_t *) cpu->cd.sh.host_load[addr >> 12]; |
744 |
int8_t data; |
745 |
if (p != NULL) { |
746 |
data = p[addr & 0xfff]; |
747 |
} else { |
748 |
SYNCH_PC; |
749 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
750 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
751 |
/* Exception. */ |
752 |
return; |
753 |
} |
754 |
} |
755 |
/* The load was ok: */ |
756 |
reg(ic->arg[1]) = addr + sizeof(int8_t); |
757 |
reg(ic->arg[0]) = data; |
758 |
} |
759 |
X(mov_w_arg1_postinc_to_arg0) |
760 |
{ |
761 |
uint32_t addr = reg(ic->arg[1]); |
762 |
uint16_t *p = (uint16_t *) cpu->cd.sh.host_load[addr >> 12]; |
763 |
uint16_t data; |
764 |
|
765 |
if (p != NULL) { |
766 |
data = p[(addr & 0xfff) >> 1]; |
767 |
} else { |
768 |
SYNCH_PC; |
769 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
770 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
771 |
/* Exception. */ |
772 |
return; |
773 |
} |
774 |
} |
775 |
|
776 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
777 |
data = LE16_TO_HOST(data); |
778 |
else |
779 |
data = BE16_TO_HOST(data); |
780 |
reg(ic->arg[1]) = addr + sizeof(data); |
781 |
reg(ic->arg[0]) = (int16_t)data; |
782 |
} |
783 |
X(mov_l_arg1_postinc_to_arg0) |
784 |
{ |
785 |
uint32_t addr = reg(ic->arg[1]); |
786 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_load[addr >> 12]; |
787 |
uint32_t data; |
788 |
|
789 |
if (p != NULL) { |
790 |
data = p[(addr & 0xfff) >> 2]; |
791 |
} else { |
792 |
SYNCH_PC; |
793 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
794 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
795 |
/* Exception. */ |
796 |
return; |
797 |
} |
798 |
} |
799 |
/* The load was ok: */ |
800 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
801 |
data = LE32_TO_HOST(data); |
802 |
else |
803 |
data = BE32_TO_HOST(data); |
804 |
reg(ic->arg[1]) = addr + sizeof(data); |
805 |
reg(ic->arg[0]) = data; |
806 |
} |
807 |
X(mov_l_arg1_postinc_to_arg0_md) |
808 |
{ |
809 |
uint32_t addr = reg(ic->arg[1]); |
810 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_load[addr >> 12]; |
811 |
uint32_t data; |
812 |
|
813 |
RES_INST_IF_NOT_MD; |
814 |
|
815 |
if (p != NULL) { |
816 |
data = p[(addr & 0xfff) >> 2]; |
817 |
} else { |
818 |
SYNCH_PC; |
819 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
820 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
821 |
/* Exception. */ |
822 |
return; |
823 |
} |
824 |
} |
825 |
/* The load was ok: */ |
826 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
827 |
data = LE32_TO_HOST(data); |
828 |
else |
829 |
data = BE32_TO_HOST(data); |
830 |
reg(ic->arg[1]) = addr + sizeof(data); |
831 |
|
832 |
/* Special case when loading into the SR register: */ |
833 |
if (ic->arg[0] == (size_t)&cpu->cd.sh.sr) |
834 |
sh_update_sr(cpu, data); |
835 |
else |
836 |
reg(ic->arg[0]) = data; |
837 |
} |
838 |
X(mov_l_arg1_postinc_to_arg0_fp) |
839 |
{ |
840 |
uint32_t addr = reg(ic->arg[1]); |
841 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_load[addr >> 12]; |
842 |
uint32_t data; |
843 |
|
844 |
FLOATING_POINT_AVAILABLE_CHECK; |
845 |
|
846 |
if (p != NULL) { |
847 |
data = p[(addr & 0xfff) >> 2]; |
848 |
} else { |
849 |
SYNCH_PC; |
850 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
851 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
852 |
/* Exception. */ |
853 |
return; |
854 |
} |
855 |
} |
856 |
/* The load was ok: */ |
857 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
858 |
data = LE32_TO_HOST(data); |
859 |
else |
860 |
data = BE32_TO_HOST(data); |
861 |
reg(ic->arg[1]) = addr + sizeof(data); |
862 |
|
863 |
/* Ugly special case for FPSCR: */ |
864 |
if (ic->arg[0] == (size_t)&cpu->cd.sh.fpscr) |
865 |
sh_update_fpscr(cpu, data); |
866 |
else |
867 |
reg(ic->arg[0]) = data; |
868 |
} |
869 |
X(mov_b_r0_rm_rn) |
870 |
{ |
871 |
uint32_t addr = reg(ic->arg[0]) + cpu->cd.sh.r[0]; |
872 |
int8_t *p = (int8_t *) cpu->cd.sh.host_load[addr >> 12]; |
873 |
int8_t data; |
874 |
|
875 |
if (p != NULL) { |
876 |
data = p[addr & 0xfff]; |
877 |
} else { |
878 |
SYNCH_PC; |
879 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
880 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
881 |
/* Exception. */ |
882 |
return; |
883 |
} |
884 |
} |
885 |
|
886 |
reg(ic->arg[1]) = data; |
887 |
} |
888 |
X(mov_w_r0_rm_rn) |
889 |
{ |
890 |
uint32_t addr = reg(ic->arg[0]) + cpu->cd.sh.r[0]; |
891 |
int16_t *p = (int16_t *) cpu->cd.sh.host_load[addr >> 12]; |
892 |
int16_t data; |
893 |
|
894 |
if (p != NULL) { |
895 |
data = p[(addr & 0xfff) >> 1]; |
896 |
} else { |
897 |
SYNCH_PC; |
898 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
899 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
900 |
/* Exception. */ |
901 |
return; |
902 |
} |
903 |
} |
904 |
|
905 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
906 |
data = LE16_TO_HOST(data); |
907 |
else |
908 |
data = BE16_TO_HOST(data); |
909 |
reg(ic->arg[1]) = data; |
910 |
} |
911 |
X(mov_l_r0_rm_rn) |
912 |
{ |
913 |
uint32_t addr = reg(ic->arg[0]) + cpu->cd.sh.r[0]; |
914 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_load[addr >> 12]; |
915 |
uint32_t data; |
916 |
|
917 |
if (p != NULL) { |
918 |
data = p[(addr & 0xfff) >> 2]; |
919 |
} else { |
920 |
SYNCH_PC; |
921 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
922 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
923 |
/* Exception. */ |
924 |
return; |
925 |
} |
926 |
} |
927 |
|
928 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
929 |
data = LE32_TO_HOST(data); |
930 |
else |
931 |
data = BE32_TO_HOST(data); |
932 |
reg(ic->arg[1]) = data; |
933 |
} |
934 |
X(mov_l_disp_rm_rn) |
935 |
{ |
936 |
uint32_t addr = cpu->cd.sh.r[ic->arg[0] & 0xf] + |
937 |
((ic->arg[0] >> 4) << 2); |
938 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_load[addr >> 12]; |
939 |
uint32_t data; |
940 |
|
941 |
if (p != NULL) { |
942 |
data = p[(addr & 0xfff) >> 2]; |
943 |
} else { |
944 |
SYNCH_PC; |
945 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
946 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
947 |
/* Exception. */ |
948 |
return; |
949 |
} |
950 |
} |
951 |
|
952 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
953 |
data = LE32_TO_HOST(data); |
954 |
else |
955 |
data = BE32_TO_HOST(data); |
956 |
reg(ic->arg[1]) = data; |
957 |
} |
958 |
X(mov_b_disp_rn_r0) |
959 |
{ |
960 |
uint32_t addr = reg(ic->arg[0]) + ic->arg[1]; |
961 |
uint8_t *p = (uint8_t *) cpu->cd.sh.host_load[addr >> 12]; |
962 |
uint8_t data; |
963 |
|
964 |
if (p != NULL) { |
965 |
data = p[addr & 0xfff]; |
966 |
} else { |
967 |
SYNCH_PC; |
968 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
969 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
970 |
/* Exception. */ |
971 |
return; |
972 |
} |
973 |
} |
974 |
|
975 |
cpu->cd.sh.r[0] = (int8_t) data; |
976 |
} |
977 |
X(mov_w_disp_rn_r0) |
978 |
{ |
979 |
uint32_t addr = reg(ic->arg[0]) + ic->arg[1]; |
980 |
uint16_t *p = (uint16_t *) cpu->cd.sh.host_load[addr >> 12]; |
981 |
uint16_t data; |
982 |
|
983 |
if (p != NULL) { |
984 |
data = p[(addr & 0xfff) >> 1]; |
985 |
} else { |
986 |
SYNCH_PC; |
987 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
988 |
sizeof(data), MEM_READ, CACHE_DATA)) { |
989 |
/* Exception. */ |
990 |
return; |
991 |
} |
992 |
} |
993 |
|
994 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
995 |
data = LE16_TO_HOST(data); |
996 |
else |
997 |
data = BE16_TO_HOST(data); |
998 |
cpu->cd.sh.r[0] = (int16_t) data; |
999 |
} |
1000 |
|
1001 |
|
1002 |
/* |
1003 |
* mov_b_store_rm_rn: Store Rm to address Rn (8-bit). |
1004 |
* mov_w_store_rm_rn: Store Rm to address Rn (16-bit). |
1005 |
* mov_l_store_rm_rn: Store Rm to address Rn (32-bit). |
1006 |
* fmov_frm_rn: Store FRm to address Rn. |
1007 |
* fmov_frm_r0_rn: Store FRm to address R0 + Rn. |
1008 |
* fmov_frm_predec_rn: Store FRm to address Rn - 4 (or 8), update Rn. |
1009 |
* mov_b_rm_r0_rn: Store Rm to address Rn + R0 (8-bit). |
1010 |
* mov_w_rm_r0_rn: Store Rm to address Rn + R0 (16-bit). |
1011 |
* mov_l_rm_r0_rn: Store Rm to address Rn + R0 (32-bit). |
1012 |
* mov_b_r0_disp_gbr: Store R0 to address disp + GBR (8-bit). |
1013 |
* mov_w_r0_disp_gbr: Store R0 to address disp + GBR (16-bit). |
1014 |
* mov_l_r0_disp_gbr: Store R0 to address disp + GBR (32-bit). |
1015 |
* mov_l_rm_disp_rn: Store Rm to address disp + Rn. |
1016 |
* mov_b_r0_disp_rn: Store R0 to address disp + Rn (8-bit). |
1017 |
* mov_w_r0_disp_rn: Store R0 to address disp + Rn (16-bit). |
1018 |
* |
1019 |
* arg[0] = ptr to rm |
1020 |
* arg[1] = ptr to rn (or Rn+(disp<<4) for mov_l_rm_disp_rn) |
1021 |
* (or disp for mov_*_r0_disp_gbr) |
1022 |
*/ |
1023 |
X(mov_b_store_rm_rn) |
1024 |
{ |
1025 |
uint32_t addr = reg(ic->arg[1]); |
1026 |
uint8_t *p = (uint8_t *) cpu->cd.sh.host_store[addr >> 12]; |
1027 |
uint8_t data = reg(ic->arg[0]); |
1028 |
|
1029 |
if (p != NULL) { |
1030 |
p[addr & 0xfff] = data; |
1031 |
} else { |
1032 |
SYNCH_PC; |
1033 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, &data, |
1034 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1035 |
/* Exception. */ |
1036 |
return; |
1037 |
} |
1038 |
} |
1039 |
} |
1040 |
X(mov_w_store_rm_rn) |
1041 |
{ |
1042 |
uint32_t addr = reg(ic->arg[1]); |
1043 |
uint16_t *p = (uint16_t *) cpu->cd.sh.host_store[addr >> 12]; |
1044 |
uint16_t data = reg(ic->arg[0]); |
1045 |
|
1046 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
1047 |
data = LE16_TO_HOST(data); |
1048 |
else |
1049 |
data = BE16_TO_HOST(data); |
1050 |
|
1051 |
if (p != NULL) { |
1052 |
p[(addr & 0xfff) >> 1] = data; |
1053 |
} else { |
1054 |
SYNCH_PC; |
1055 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1056 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1057 |
/* Exception. */ |
1058 |
return; |
1059 |
} |
1060 |
} |
1061 |
} |
1062 |
X(mov_l_store_rm_rn) |
1063 |
{ |
1064 |
uint32_t addr = reg(ic->arg[1]); |
1065 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_store[addr >> 12]; |
1066 |
uint32_t data = reg(ic->arg[0]); |
1067 |
|
1068 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
1069 |
data = LE32_TO_HOST(data); |
1070 |
else |
1071 |
data = BE32_TO_HOST(data); |
1072 |
|
1073 |
if (p != NULL) { |
1074 |
p[(addr & 0xfff) >> 2] = data; |
1075 |
} else { |
1076 |
SYNCH_PC; |
1077 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1078 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1079 |
/* Exception. */ |
1080 |
return; |
1081 |
} |
1082 |
} |
1083 |
} |
1084 |
X(fmov_frm_rn) |
1085 |
{ |
1086 |
uint32_t addr = reg(ic->arg[1]); |
1087 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_store[addr >> 12]; |
1088 |
uint32_t data = reg(ic->arg[0]); |
1089 |
|
1090 |
FLOATING_POINT_AVAILABLE_CHECK; |
1091 |
|
1092 |
if (cpu->cd.sh.fpscr & SH_FPSCR_SZ) { |
1093 |
fatal("fmov_frm_rn: sz=1 (register pair): TODO\n"); |
1094 |
exit(1); |
1095 |
} |
1096 |
|
1097 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
1098 |
data = LE32_TO_HOST(data); |
1099 |
else |
1100 |
data = BE32_TO_HOST(data); |
1101 |
|
1102 |
if (p != NULL) { |
1103 |
p[(addr & 0xfff) >> 2] = data; |
1104 |
} else { |
1105 |
SYNCH_PC; |
1106 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1107 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1108 |
/* Exception. */ |
1109 |
return; |
1110 |
} |
1111 |
} |
1112 |
} |
1113 |
X(fmov_frm_r0_rn) |
1114 |
{ |
1115 |
uint32_t addr = reg(ic->arg[1]) + cpu->cd.sh.r[0]; |
1116 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_store[addr >> 12]; |
1117 |
uint32_t data = reg(ic->arg[0]); |
1118 |
|
1119 |
FLOATING_POINT_AVAILABLE_CHECK; |
1120 |
|
1121 |
if (cpu->cd.sh.fpscr & SH_FPSCR_SZ) { |
1122 |
fatal("fmov_frm_r0_rn: sz=1 (register pair): TODO\n"); |
1123 |
exit(1); |
1124 |
} |
1125 |
|
1126 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
1127 |
data = LE32_TO_HOST(data); |
1128 |
else |
1129 |
data = BE32_TO_HOST(data); |
1130 |
|
1131 |
if (p != NULL) { |
1132 |
p[(addr & 0xfff) >> 2] = data; |
1133 |
} else { |
1134 |
SYNCH_PC; |
1135 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1136 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1137 |
/* Exception. */ |
1138 |
return; |
1139 |
} |
1140 |
} |
1141 |
} |
1142 |
X(fmov_frm_predec_rn) |
1143 |
{ |
1144 |
int d = cpu->cd.sh.fpscr & SH_FPSCR_SZ? 1 : 0; |
1145 |
uint32_t data, addr = reg(ic->arg[1]) - (d? 8 : 4); |
1146 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_store[addr >> 12]; |
1147 |
size_t r0 = ic->arg[0]; |
1148 |
|
1149 |
if (d) { |
1150 |
/* xd instead of dr? */ |
1151 |
int ofs0 = (r0 - (size_t)&cpu->cd.sh.fr[0]) / sizeof(uint32_t); |
1152 |
if (ofs0 & 1) |
1153 |
r0 = (size_t)&cpu->cd.sh.xf[ofs0 & ~1]; |
1154 |
} |
1155 |
|
1156 |
data = reg(r0); |
1157 |
|
1158 |
FLOATING_POINT_AVAILABLE_CHECK; |
1159 |
|
1160 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
1161 |
data = LE32_TO_HOST(data); |
1162 |
else |
1163 |
data = BE32_TO_HOST(data); |
1164 |
|
1165 |
if (p != NULL) { |
1166 |
p[(addr & 0xfff) >> 2] = data; |
1167 |
} else { |
1168 |
SYNCH_PC; |
1169 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1170 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1171 |
/* Exception. */ |
1172 |
return; |
1173 |
} |
1174 |
} |
1175 |
|
1176 |
if (d) { |
1177 |
/* Store second single-precision floating point word: */ |
1178 |
data = reg(r0 + 4); |
1179 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
1180 |
data = LE32_TO_HOST(data); |
1181 |
else |
1182 |
data = BE32_TO_HOST(data); |
1183 |
SYNCH_PC; |
1184 |
if (!cpu->memory_rw(cpu, cpu->mem, addr + 4, (unsigned |
1185 |
char *)&data, sizeof(data), MEM_WRITE, CACHE_DATA)) |
1186 |
return; |
1187 |
} |
1188 |
|
1189 |
reg(ic->arg[1]) = addr; |
1190 |
} |
1191 |
X(mov_b_rm_r0_rn) |
1192 |
{ |
1193 |
uint32_t addr = reg(ic->arg[1]) + cpu->cd.sh.r[0]; |
1194 |
int8_t *p = (int8_t *) cpu->cd.sh.host_store[addr >> 12]; |
1195 |
int8_t data = reg(ic->arg[0]); |
1196 |
if (p != NULL) { |
1197 |
p[addr & 0xfff] = data; |
1198 |
} else { |
1199 |
SYNCH_PC; |
1200 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1201 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1202 |
/* Exception. */ |
1203 |
return; |
1204 |
} |
1205 |
} |
1206 |
} |
1207 |
X(mov_w_rm_r0_rn) |
1208 |
{ |
1209 |
uint32_t addr = reg(ic->arg[1]) + cpu->cd.sh.r[0]; |
1210 |
uint16_t *p = (uint16_t *) cpu->cd.sh.host_store[addr >> 12]; |
1211 |
uint16_t data = reg(ic->arg[0]); |
1212 |
|
1213 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
1214 |
data = LE16_TO_HOST(data); |
1215 |
else |
1216 |
data = BE16_TO_HOST(data); |
1217 |
|
1218 |
if (p != NULL) { |
1219 |
p[(addr & 0xfff) >> 1] = data; |
1220 |
} else { |
1221 |
SYNCH_PC; |
1222 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1223 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1224 |
/* Exception. */ |
1225 |
return; |
1226 |
} |
1227 |
} |
1228 |
} |
1229 |
X(mov_l_rm_r0_rn) |
1230 |
{ |
1231 |
uint32_t addr = reg(ic->arg[1]) + cpu->cd.sh.r[0]; |
1232 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_store[addr >> 12]; |
1233 |
uint32_t data = reg(ic->arg[0]); |
1234 |
|
1235 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
1236 |
data = LE32_TO_HOST(data); |
1237 |
else |
1238 |
data = BE32_TO_HOST(data); |
1239 |
|
1240 |
if (p != NULL) { |
1241 |
p[(addr & 0xfff) >> 2] = data; |
1242 |
} else { |
1243 |
SYNCH_PC; |
1244 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1245 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1246 |
/* Exception. */ |
1247 |
return; |
1248 |
} |
1249 |
} |
1250 |
} |
1251 |
X(mov_b_r0_disp_gbr) |
1252 |
{ |
1253 |
uint32_t addr = cpu->cd.sh.gbr + ic->arg[1]; |
1254 |
uint8_t *p = (uint8_t *) cpu->cd.sh.host_store[addr >> 12]; |
1255 |
uint8_t data = cpu->cd.sh.r[0]; |
1256 |
if (p != NULL) { |
1257 |
p[addr & 0xfff] = data; |
1258 |
} else { |
1259 |
SYNCH_PC; |
1260 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1261 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1262 |
/* Exception. */ |
1263 |
return; |
1264 |
} |
1265 |
} |
1266 |
} |
1267 |
X(mov_w_r0_disp_gbr) |
1268 |
{ |
1269 |
uint32_t addr = cpu->cd.sh.gbr + ic->arg[1]; |
1270 |
uint16_t *p = (uint16_t *) cpu->cd.sh.host_store[addr >> 12]; |
1271 |
uint16_t data = cpu->cd.sh.r[0]; |
1272 |
|
1273 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
1274 |
data = LE16_TO_HOST(data); |
1275 |
else |
1276 |
data = BE16_TO_HOST(data); |
1277 |
|
1278 |
if (p != NULL) { |
1279 |
p[(addr & 0xfff) >> 1] = data; |
1280 |
} else { |
1281 |
SYNCH_PC; |
1282 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1283 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1284 |
/* Exception. */ |
1285 |
return; |
1286 |
} |
1287 |
} |
1288 |
} |
1289 |
X(mov_l_r0_disp_gbr) |
1290 |
{ |
1291 |
uint32_t addr = cpu->cd.sh.gbr + ic->arg[1]; |
1292 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_store[addr >> 12]; |
1293 |
uint32_t data = cpu->cd.sh.r[0]; |
1294 |
|
1295 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
1296 |
data = LE32_TO_HOST(data); |
1297 |
else |
1298 |
data = BE32_TO_HOST(data); |
1299 |
|
1300 |
if (p != NULL) { |
1301 |
p[(addr & 0xfff) >> 2] = data; |
1302 |
} else { |
1303 |
SYNCH_PC; |
1304 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1305 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1306 |
/* Exception. */ |
1307 |
return; |
1308 |
} |
1309 |
} |
1310 |
} |
1311 |
X(mov_l_rm_disp_rn) |
1312 |
{ |
1313 |
uint32_t addr = cpu->cd.sh.r[ic->arg[1] & 0xf] + |
1314 |
((ic->arg[1] >> 4) << 2); |
1315 |
uint32_t *p = (uint32_t *) cpu->cd.sh.host_store[addr >> 12]; |
1316 |
uint32_t data = reg(ic->arg[0]); |
1317 |
|
1318 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
1319 |
data = LE32_TO_HOST(data); |
1320 |
else |
1321 |
data = BE32_TO_HOST(data); |
1322 |
|
1323 |
if (p != NULL) { |
1324 |
p[(addr & 0xfff) >> 2] = data; |
1325 |
} else { |
1326 |
SYNCH_PC; |
1327 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1328 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1329 |
/* Exception. */ |
1330 |
return; |
1331 |
} |
1332 |
} |
1333 |
} |
1334 |
X(mov_b_r0_disp_rn) |
1335 |
{ |
1336 |
uint32_t addr = reg(ic->arg[0]) + ic->arg[1]; |
1337 |
uint8_t *p = (uint8_t *) cpu->cd.sh.host_store[addr >> 12]; |
1338 |
uint8_t data = cpu->cd.sh.r[0]; |
1339 |
|
1340 |
if (p != NULL) { |
1341 |
p[addr & 0xfff] = data; |
1342 |
} else { |
1343 |
SYNCH_PC; |
1344 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1345 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1346 |
/* Exception. */ |
1347 |
return; |
1348 |
} |
1349 |
} |
1350 |
} |
1351 |
X(mov_w_r0_disp_rn) |
1352 |
{ |
1353 |
uint32_t addr = reg(ic->arg[0]) + ic->arg[1]; |
1354 |
uint16_t *p = (uint16_t *) cpu->cd.sh.host_store[addr >> 12]; |
1355 |
uint16_t data = cpu->cd.sh.r[0]; |
1356 |
|
1357 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
1358 |
data = LE16_TO_HOST(data); |
1359 |
else |
1360 |
data = BE16_TO_HOST(data); |
1361 |
|
1362 |
if (p != NULL) { |
1363 |
p[(addr & 0xfff) >> 1] = data; |
1364 |
} else { |
1365 |
SYNCH_PC; |
1366 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, (unsigned char *)&data, |
1367 |
sizeof(data), MEM_WRITE, CACHE_DATA)) { |
1368 |
/* Exception. */ |
1369 |
return; |
1370 |
} |
1371 |
} |
1372 |
} |
1373 |
|
1374 |
|
1375 |
/* |
1376 |
* add_rm_rn: rn = rn + rm |
1377 |
* addc_rm_rn: rn = rn + rm + t |
1378 |
* and_rm_rn: rn = rn & rm |
1379 |
* xor_rm_rn: rn = rn ^ rm |
1380 |
* or_rm_rn: rn = rn | rm |
1381 |
* sub_rm_rn: rn = rn - rm |
1382 |
* subc_rm_rn: rn = rn - rm - t; t = borrow |
1383 |
* tst_rm_rn: t = ((rm & rn) == 0) |
1384 |
* tst_rm: t = (rm == 0) |
1385 |
* xtrct_rm_rn: rn = (rn >> 16) | (rm << 16) |
1386 |
* |
1387 |
* arg[0] = ptr to rm |
1388 |
* arg[1] = ptr to rn |
1389 |
*/ |
1390 |
X(add_rm_rn) { reg(ic->arg[1]) += reg(ic->arg[0]); } |
1391 |
X(addc_rm_rn) |
1392 |
{ |
1393 |
uint64_t res = reg(ic->arg[1]); |
1394 |
res += (uint64_t) reg(ic->arg[0]); |
1395 |
if (cpu->cd.sh.sr & SH_SR_T) |
1396 |
res ++; |
1397 |
if ((res >> 32) & 1) |
1398 |
cpu->cd.sh.sr |= SH_SR_T; |
1399 |
else |
1400 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1401 |
reg(ic->arg[1]) = (uint32_t) res; |
1402 |
} |
1403 |
X(and_rm_rn) { reg(ic->arg[1]) &= reg(ic->arg[0]); } |
1404 |
X(xor_rm_rn) { reg(ic->arg[1]) ^= reg(ic->arg[0]); } |
1405 |
X(or_rm_rn) { reg(ic->arg[1]) |= reg(ic->arg[0]); } |
1406 |
X(sub_rm_rn) { reg(ic->arg[1]) -= reg(ic->arg[0]); } |
1407 |
X(subc_rm_rn) |
1408 |
{ |
1409 |
uint64_t res = reg(ic->arg[1]); |
1410 |
res -= (uint64_t) reg(ic->arg[0]); |
1411 |
if (cpu->cd.sh.sr & SH_SR_T) |
1412 |
res --; |
1413 |
if ((res >> 32) & 1) |
1414 |
cpu->cd.sh.sr |= SH_SR_T; |
1415 |
else |
1416 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1417 |
reg(ic->arg[1]) = (uint32_t) res; |
1418 |
} |
1419 |
X(tst_rm_rn) |
1420 |
{ |
1421 |
if (reg(ic->arg[1]) & reg(ic->arg[0])) |
1422 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1423 |
else |
1424 |
cpu->cd.sh.sr |= SH_SR_T; |
1425 |
} |
1426 |
X(tst_rm) |
1427 |
{ |
1428 |
if (reg(ic->arg[0])) |
1429 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1430 |
else |
1431 |
cpu->cd.sh.sr |= SH_SR_T; |
1432 |
} |
1433 |
X(xtrct_rm_rn) |
1434 |
{ |
1435 |
uint32_t rn = reg(ic->arg[1]), rm = reg(ic->arg[0]); |
1436 |
reg(ic->arg[1]) = (rn >> 16) | (rm << 16); |
1437 |
} |
1438 |
|
1439 |
|
1440 |
/* |
1441 |
* div0u: Division step 0; prepare for unsigned division. |
1442 |
* div0s_rm_rn: Division step 0; prepare for signed division. |
1443 |
* div1_rm_rn: Division step 1. |
1444 |
* |
1445 |
* arg[0] = ptr to rm |
1446 |
* arg[1] = ptr to rn |
1447 |
*/ |
1448 |
X(div0u) |
1449 |
{ |
1450 |
cpu->cd.sh.sr &= ~(SH_SR_Q | SH_SR_M | SH_SR_T); |
1451 |
} |
1452 |
X(div0s_rm_rn) |
1453 |
{ |
1454 |
int q = reg(ic->arg[1]) & 0x80000000; |
1455 |
int m = reg(ic->arg[0]) & 0x80000000; |
1456 |
uint32_t new_sr = cpu->cd.sh.sr & ~(SH_SR_Q | SH_SR_M | SH_SR_T); |
1457 |
if (q) |
1458 |
new_sr |= SH_SR_Q; |
1459 |
if (m) |
1460 |
new_sr |= SH_SR_M; |
1461 |
if (m ^ q) |
1462 |
new_sr |= SH_SR_T; |
1463 |
cpu->cd.sh.sr = new_sr; |
1464 |
} |
1465 |
X(div1_rm_rn) |
1466 |
{ |
1467 |
uint32_t q, old_q = (cpu->cd.sh.sr & SH_SR_Q)? 1 : 0; |
1468 |
uint32_t m = (cpu->cd.sh.sr & SH_SR_M)? 1 : 0; |
1469 |
uint32_t t = (cpu->cd.sh.sr & SH_SR_T)? 1 : 0; |
1470 |
uint32_t op1 = reg(ic->arg[0]), op2 = reg(ic->arg[1]); |
1471 |
uint64_t op2_64; |
1472 |
|
1473 |
q = op2 >> 31; |
1474 |
op2_64 = (uint32_t) ((op2 << 1) + t); |
1475 |
if (old_q == m) |
1476 |
op2_64 -= (uint64_t)op1; |
1477 |
else |
1478 |
op2_64 += (uint64_t)op1; |
1479 |
q ^= m ^ ((op2_64 >> 32) & 1); |
1480 |
t = 1 - (q ^ m); |
1481 |
cpu->cd.sh.sr &= ~(SH_SR_Q | SH_SR_T); |
1482 |
if (q) |
1483 |
cpu->cd.sh.sr |= SH_SR_Q; |
1484 |
if (t) |
1485 |
cpu->cd.sh.sr |= SH_SR_T; |
1486 |
reg(ic->arg[1]) = (uint32_t) op2_64; |
1487 |
} |
1488 |
|
1489 |
|
1490 |
/* |
1491 |
* mul_l_rm_rn: MACL = Rm * Rn (32-bit) |
1492 |
* muls_w_rm_rn: MACL = Rm * Rn (signed 16-bit * 16-bit ==> 32-bit) |
1493 |
* mulu_w_rm_rn: MACL = Rm * Rn (unsigned 16-bit * 16-bit ==> 32-bit) |
1494 |
* dmuls_l_rm_rn: MACH:MACL = Rm * Rn (signed, 64-bit result) |
1495 |
* dmulu_l_rm_rn: MACH:MACL = Rm * Rn (unsigned, 64-bit result) |
1496 |
* |
1497 |
* arg[0] = ptr to rm |
1498 |
* arg[1] = ptr to rn |
1499 |
*/ |
1500 |
X(mul_l_rm_rn) |
1501 |
{ |
1502 |
cpu->cd.sh.macl = reg(ic->arg[0]) * reg(ic->arg[1]); |
1503 |
} |
1504 |
X(muls_w_rm_rn) |
1505 |
{ |
1506 |
cpu->cd.sh.macl = (int32_t)(int16_t)reg(ic->arg[0]) * |
1507 |
(int32_t)(int16_t)reg(ic->arg[1]); |
1508 |
} |
1509 |
X(mulu_w_rm_rn) |
1510 |
{ |
1511 |
cpu->cd.sh.macl = (int32_t)(uint16_t)reg(ic->arg[0]) * |
1512 |
(int32_t)(uint16_t)reg(ic->arg[1]); |
1513 |
} |
1514 |
X(dmuls_l_rm_rn) |
1515 |
{ |
1516 |
uint64_t rm = (int32_t)reg(ic->arg[0]), rn = (int32_t)reg(ic->arg[1]); |
1517 |
uint64_t res = rm * rn; |
1518 |
cpu->cd.sh.mach = (uint32_t) (res >> 32); |
1519 |
cpu->cd.sh.macl = (uint32_t) res; |
1520 |
} |
1521 |
X(dmulu_l_rm_rn) |
1522 |
{ |
1523 |
uint64_t rm = reg(ic->arg[0]), rn = reg(ic->arg[1]), res; |
1524 |
res = rm * rn; |
1525 |
cpu->cd.sh.mach = (uint32_t) (res >> 32); |
1526 |
cpu->cd.sh.macl = (uint32_t) res; |
1527 |
} |
1528 |
|
1529 |
|
1530 |
/* |
1531 |
* cmpeq_imm_r0: rn == int8_t immediate |
1532 |
* cmpeq_rm_rn: rn == rm |
1533 |
* cmphs_rm_rn: rn >= rm, unsigned |
1534 |
* cmpge_rm_rn: rn >= rm, signed |
1535 |
* cmphi_rm_rn: rn > rm, unsigned |
1536 |
* cmpgt_rm_rn: rn > rm, signed |
1537 |
* cmppz_rn: rn >= 0, signed |
1538 |
* cmppl_rn: rn > 0, signed |
1539 |
* cmp_str_rm_rn: t=1 if any bytes in rm and rn match, 0 otherwise |
1540 |
* |
1541 |
* arg[0] = ptr to rm (or imm, for cmpeq_imm_r0) |
1542 |
* arg[1] = ptr to rn |
1543 |
*/ |
1544 |
X(cmpeq_imm_r0) |
1545 |
{ |
1546 |
if (cpu->cd.sh.r[0] == (uint32_t)ic->arg[0]) |
1547 |
cpu->cd.sh.sr |= SH_SR_T; |
1548 |
else |
1549 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1550 |
} |
1551 |
X(cmpeq_rm_rn) |
1552 |
{ |
1553 |
if (reg(ic->arg[1]) == reg(ic->arg[0])) |
1554 |
cpu->cd.sh.sr |= SH_SR_T; |
1555 |
else |
1556 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1557 |
} |
1558 |
X(cmphs_rm_rn) |
1559 |
{ |
1560 |
if (reg(ic->arg[1]) >= reg(ic->arg[0])) |
1561 |
cpu->cd.sh.sr |= SH_SR_T; |
1562 |
else |
1563 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1564 |
} |
1565 |
X(cmpge_rm_rn) |
1566 |
{ |
1567 |
if ((int32_t)reg(ic->arg[1]) >= (int32_t)reg(ic->arg[0])) |
1568 |
cpu->cd.sh.sr |= SH_SR_T; |
1569 |
else |
1570 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1571 |
} |
1572 |
X(cmphi_rm_rn) |
1573 |
{ |
1574 |
if (reg(ic->arg[1]) > reg(ic->arg[0])) |
1575 |
cpu->cd.sh.sr |= SH_SR_T; |
1576 |
else |
1577 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1578 |
} |
1579 |
X(cmpgt_rm_rn) |
1580 |
{ |
1581 |
if ((int32_t)reg(ic->arg[1]) > (int32_t)reg(ic->arg[0])) |
1582 |
cpu->cd.sh.sr |= SH_SR_T; |
1583 |
else |
1584 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1585 |
} |
1586 |
X(cmppz_rn) |
1587 |
{ |
1588 |
if ((int32_t)reg(ic->arg[1]) >= 0) |
1589 |
cpu->cd.sh.sr |= SH_SR_T; |
1590 |
else |
1591 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1592 |
} |
1593 |
X(cmppl_rn) |
1594 |
{ |
1595 |
if ((int32_t)reg(ic->arg[1]) > 0) |
1596 |
cpu->cd.sh.sr |= SH_SR_T; |
1597 |
else |
1598 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1599 |
} |
1600 |
X(cmp_str_rm_rn) |
1601 |
{ |
1602 |
uint32_t r0 = reg(ic->arg[0]), r1 = reg(ic->arg[1]); |
1603 |
int t = 0; |
1604 |
if ((r0 & 0xff000000) == (r1 & 0xff000000)) |
1605 |
t = 1; |
1606 |
else if ((r0 & 0xff0000) == (r1 & 0xff0000)) |
1607 |
t = 1; |
1608 |
else if ((r0 & 0xff00) == (r1 & 0xff00)) |
1609 |
t = 1; |
1610 |
else if ((r0 & 0xff) == (r1 & 0xff)) |
1611 |
t = 1; |
1612 |
if (t) |
1613 |
cpu->cd.sh.sr |= SH_SR_T; |
1614 |
else |
1615 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1616 |
} |
1617 |
|
1618 |
|
1619 |
/* |
1620 |
* shll_rn: Shift rn left by 1 (t = bit that was shifted out) |
1621 |
* shlr_rn: Shift rn right by 1 (t = bit that was shifted out) |
1622 |
* rotl_rn: Shift rn left by 1 (t = bit that was shifted out) |
1623 |
* rotr_rn: Shift rn right by 1 (t = bit that was shifted out) |
1624 |
* shar_rn: Shift rn right arithmetically by 1 (t = bit that was shifted out) |
1625 |
* shllX_rn: Shift rn left logically by X bits |
1626 |
* shlrX_rn: Shift rn right logically by X bits |
1627 |
* rotcl_rn: Rotate rn left via the t bit |
1628 |
* rotcr_rn: Rotate rn right via the t bit |
1629 |
* dt_rn: Decrease rn; t = (rn == 0) |
1630 |
* |
1631 |
* arg[1] = ptr to rn |
1632 |
*/ |
1633 |
X(shll_rn) |
1634 |
{ |
1635 |
uint32_t rn = reg(ic->arg[1]); |
1636 |
if (rn & 0x80000000) |
1637 |
cpu->cd.sh.sr |= SH_SR_T; |
1638 |
else |
1639 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1640 |
reg(ic->arg[1]) = rn << 1; |
1641 |
} |
1642 |
X(shlr_rn) |
1643 |
{ |
1644 |
uint32_t rn = reg(ic->arg[1]); |
1645 |
if (rn & 1) |
1646 |
cpu->cd.sh.sr |= SH_SR_T; |
1647 |
else |
1648 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1649 |
reg(ic->arg[1]) = rn >> 1; |
1650 |
} |
1651 |
X(rotl_rn) |
1652 |
{ |
1653 |
uint32_t rn = reg(ic->arg[1]), x; |
1654 |
if (rn & 0x80000000) { |
1655 |
x = 1; |
1656 |
cpu->cd.sh.sr |= SH_SR_T; |
1657 |
} else { |
1658 |
x = 0; |
1659 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1660 |
} |
1661 |
reg(ic->arg[1]) = (rn << 1) | x; |
1662 |
} |
1663 |
X(rotr_rn) |
1664 |
{ |
1665 |
uint32_t rn = reg(ic->arg[1]); |
1666 |
if (rn & 1) |
1667 |
cpu->cd.sh.sr |= SH_SR_T; |
1668 |
else |
1669 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1670 |
reg(ic->arg[1]) = (rn >> 1) | (rn << 31); |
1671 |
} |
1672 |
X(shar_rn) |
1673 |
{ |
1674 |
int32_t rn = reg(ic->arg[1]); |
1675 |
if (rn & 1) |
1676 |
cpu->cd.sh.sr |= SH_SR_T; |
1677 |
else |
1678 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1679 |
reg(ic->arg[1]) = rn >> 1; |
1680 |
} |
1681 |
X(rotcl_rn) |
1682 |
{ |
1683 |
uint32_t rn = reg(ic->arg[1]), top; |
1684 |
top = rn & 0x80000000; |
1685 |
rn <<= 1; |
1686 |
if (cpu->cd.sh.sr & SH_SR_T) |
1687 |
rn ++; |
1688 |
if (top) |
1689 |
cpu->cd.sh.sr |= SH_SR_T; |
1690 |
else |
1691 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1692 |
reg(ic->arg[1]) = rn; |
1693 |
} |
1694 |
X(rotcr_rn) |
1695 |
{ |
1696 |
uint32_t rn = reg(ic->arg[1]), bottom; |
1697 |
bottom = rn & 1; |
1698 |
rn >>= 1; |
1699 |
if (cpu->cd.sh.sr & SH_SR_T) |
1700 |
rn |= 0x80000000; |
1701 |
if (bottom) |
1702 |
cpu->cd.sh.sr |= SH_SR_T; |
1703 |
else |
1704 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1705 |
reg(ic->arg[1]) = rn; |
1706 |
} |
1707 |
X(dt_rn) |
1708 |
{ |
1709 |
uint32_t rn = reg(ic->arg[1]) - 1; |
1710 |
if (rn == 0) |
1711 |
cpu->cd.sh.sr |= SH_SR_T; |
1712 |
else |
1713 |
cpu->cd.sh.sr &= ~SH_SR_T; |
1714 |
reg(ic->arg[1]) = rn; |
1715 |
} |
1716 |
X(shll2_rn) { reg(ic->arg[1]) <<= 2; } |
1717 |
X(shll8_rn) { reg(ic->arg[1]) <<= 8; } |
1718 |
X(shll16_rn) { reg(ic->arg[1]) <<= 16; } |
1719 |
X(shlr2_rn) { reg(ic->arg[1]) >>= 2; } |
1720 |
X(shlr8_rn) { reg(ic->arg[1]) >>= 8; } |
1721 |
X(shlr16_rn) { reg(ic->arg[1]) >>= 16; } |
1722 |
|
1723 |
|
1724 |
/* |
1725 |
* shad: Shift Rn arithmetic left/right, as indicated by Rm. Result in Rn. |
1726 |
* shld: Shift Rn logically left/right, as indicated by Rm. Result in Rn. |
1727 |
* |
1728 |
* arg[0] = ptr to rm |
1729 |
* arg[1] = ptr to rn |
1730 |
*/ |
1731 |
X(shad) |
1732 |
{ |
1733 |
int32_t rn = reg(ic->arg[1]); |
1734 |
int32_t rm = reg(ic->arg[0]); |
1735 |
int sa = rm & 0x1f; |
1736 |
|
1737 |
if (rm >= 0) |
1738 |
rn <<= sa; |
1739 |
else if (sa != 0) |
1740 |
rn >>= (32 - sa); |
1741 |
else if (rn < 0) |
1742 |
rn = -1; |
1743 |
else |
1744 |
rn = 0; |
1745 |
|
1746 |
reg(ic->arg[1]) = rn; |
1747 |
} |
1748 |
X(shld) |
1749 |
{ |
1750 |
uint32_t rn = reg(ic->arg[1]); |
1751 |
int32_t rm = reg(ic->arg[0]); |
1752 |
int sa = rm & 0x1f; |
1753 |
|
1754 |
if (rm >= 0) |
1755 |
rn <<= sa; |
1756 |
else if (sa != 0) |
1757 |
rn >>= (32 - sa); |
1758 |
else |
1759 |
rn = 0; |
1760 |
|
1761 |
reg(ic->arg[1]) = rn; |
1762 |
} |
1763 |
|
1764 |
|
1765 |
/* |
1766 |
* bra: Branch using PC relative immediace displacement (with delay-slot) |
1767 |
* bsr: Like bra, but also sets PR to the return address |
1768 |
* braf: Like bra, but using a register instead of an immediate |
1769 |
* bsrf: Like braf, but also sets PR to the return address |
1770 |
* |
1771 |
* arg[0] = immediate offset relative to start of page, |
1772 |
* or ptr to target instruction, for samepage branches |
1773 |
* arg[1] = ptr to Rn (for braf/bsrf) |
1774 |
*/ |
1775 |
X(bra) |
1776 |
{ |
1777 |
MODE_int_t target = cpu->pc & ~((SH_IC_ENTRIES_PER_PAGE-1) << |
1778 |
SH_INSTR_ALIGNMENT_SHIFT); |
1779 |
target += ic->arg[0]; |
1780 |
cpu->delay_slot = TO_BE_DELAYED; |
1781 |
ic[1].f(cpu, ic+1); |
1782 |
cpu->n_translated_instrs ++; |
1783 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
1784 |
cpu->pc = target; |
1785 |
cpu->delay_slot = NOT_DELAYED; |
1786 |
quick_pc_to_pointers(cpu); |
1787 |
} else |
1788 |
cpu->delay_slot = NOT_DELAYED; |
1789 |
} |
1790 |
X(bra_samepage) |
1791 |
{ |
1792 |
cpu->delay_slot = TO_BE_DELAYED; |
1793 |
ic[1].f(cpu, ic+1); |
1794 |
cpu->n_translated_instrs ++; |
1795 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) |
1796 |
cpu->cd.sh.next_ic = (struct sh_instr_call *) ic->arg[0]; |
1797 |
cpu->delay_slot = NOT_DELAYED; |
1798 |
} |
1799 |
X(bsr) |
1800 |
{ |
1801 |
MODE_int_t target = cpu->pc & ~((SH_IC_ENTRIES_PER_PAGE-1) << |
1802 |
SH_INSTR_ALIGNMENT_SHIFT); |
1803 |
uint32_t old_pc; |
1804 |
SYNCH_PC; |
1805 |
old_pc = cpu->pc; |
1806 |
target += ic->arg[0]; |
1807 |
cpu->delay_slot = TO_BE_DELAYED; |
1808 |
ic[1].f(cpu, ic+1); |
1809 |
cpu->n_translated_instrs ++; |
1810 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
1811 |
cpu->cd.sh.pr = old_pc + 4; |
1812 |
cpu->pc = target; |
1813 |
cpu->delay_slot = NOT_DELAYED; |
1814 |
quick_pc_to_pointers(cpu); |
1815 |
} else |
1816 |
cpu->delay_slot = NOT_DELAYED; |
1817 |
} |
1818 |
X(bsr_samepage) |
1819 |
{ |
1820 |
uint32_t old_pc; |
1821 |
SYNCH_PC; |
1822 |
old_pc = cpu->pc; |
1823 |
cpu->delay_slot = TO_BE_DELAYED; |
1824 |
ic[1].f(cpu, ic+1); |
1825 |
cpu->n_translated_instrs ++; |
1826 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
1827 |
cpu->cd.sh.pr = old_pc + 4; |
1828 |
cpu->cd.sh.next_ic = (struct sh_instr_call *) ic->arg[0]; |
1829 |
} |
1830 |
cpu->delay_slot = NOT_DELAYED; |
1831 |
} |
1832 |
X(braf_rn) |
1833 |
{ |
1834 |
MODE_int_t target = cpu->pc & ~((SH_IC_ENTRIES_PER_PAGE-1) << |
1835 |
SH_INSTR_ALIGNMENT_SHIFT); |
1836 |
target += ic->arg[0] + reg(ic->arg[1]); |
1837 |
cpu->delay_slot = TO_BE_DELAYED; |
1838 |
ic[1].f(cpu, ic+1); |
1839 |
cpu->n_translated_instrs ++; |
1840 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
1841 |
cpu->pc = target; |
1842 |
cpu->delay_slot = NOT_DELAYED; |
1843 |
quick_pc_to_pointers(cpu); |
1844 |
} else |
1845 |
cpu->delay_slot = NOT_DELAYED; |
1846 |
} |
1847 |
X(bsrf_rn) |
1848 |
{ |
1849 |
MODE_int_t target = cpu->pc & ~((SH_IC_ENTRIES_PER_PAGE-1) << |
1850 |
SH_INSTR_ALIGNMENT_SHIFT); |
1851 |
uint32_t old_pc; |
1852 |
SYNCH_PC; |
1853 |
old_pc = cpu->pc; |
1854 |
target += ic->arg[0] + reg(ic->arg[1]); |
1855 |
cpu->delay_slot = TO_BE_DELAYED; |
1856 |
ic[1].f(cpu, ic+1); |
1857 |
cpu->n_translated_instrs ++; |
1858 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
1859 |
cpu->cd.sh.pr = old_pc + 4; |
1860 |
cpu->pc = target; |
1861 |
cpu->delay_slot = NOT_DELAYED; |
1862 |
quick_pc_to_pointers(cpu); |
1863 |
} else |
1864 |
cpu->delay_slot = NOT_DELAYED; |
1865 |
} |
1866 |
|
1867 |
|
1868 |
/* |
1869 |
* bt: Branch if true |
1870 |
* bf: Branch if false |
1871 |
* bt/s: Branch if true (with delay-slot) |
1872 |
* bf/s: Branch if false (with delay-slot) |
1873 |
* |
1874 |
* arg[0] = immediate offset relative to start of page |
1875 |
* arg[1] = for samepage functions, the new instruction pointer |
1876 |
*/ |
1877 |
X(bt) |
1878 |
{ |
1879 |
if (cpu->cd.sh.sr & SH_SR_T) { |
1880 |
cpu->pc &= ~((SH_IC_ENTRIES_PER_PAGE-1) << |
1881 |
SH_INSTR_ALIGNMENT_SHIFT); |
1882 |
cpu->pc += ic->arg[0]; |
1883 |
quick_pc_to_pointers(cpu); |
1884 |
} |
1885 |
} |
1886 |
X(bf) |
1887 |
{ |
1888 |
if (!(cpu->cd.sh.sr & SH_SR_T)) { |
1889 |
cpu->pc &= ~((SH_IC_ENTRIES_PER_PAGE-1) << |
1890 |
SH_INSTR_ALIGNMENT_SHIFT); |
1891 |
cpu->pc += ic->arg[0]; |
1892 |
quick_pc_to_pointers(cpu); |
1893 |
} |
1894 |
} |
1895 |
X(bt_samepage) |
1896 |
{ |
1897 |
if (cpu->cd.sh.sr & SH_SR_T) |
1898 |
cpu->cd.sh.next_ic = (struct sh_instr_call *) ic->arg[1]; |
1899 |
} |
1900 |
X(bf_samepage) |
1901 |
{ |
1902 |
if (!(cpu->cd.sh.sr & SH_SR_T)) |
1903 |
cpu->cd.sh.next_ic = (struct sh_instr_call *) ic->arg[1]; |
1904 |
} |
1905 |
X(bt_s) |
1906 |
{ |
1907 |
MODE_int_t target = cpu->pc & ~((SH_IC_ENTRIES_PER_PAGE-1) << |
1908 |
SH_INSTR_ALIGNMENT_SHIFT); |
1909 |
int cond = cpu->cd.sh.sr & SH_SR_T; |
1910 |
target += ic->arg[0]; |
1911 |
cpu->delay_slot = TO_BE_DELAYED; |
1912 |
ic[1].f(cpu, ic+1); |
1913 |
cpu->n_translated_instrs ++; |
1914 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
1915 |
cpu->delay_slot = NOT_DELAYED; |
1916 |
if (cond) { |
1917 |
cpu->pc = target; |
1918 |
quick_pc_to_pointers(cpu); |
1919 |
} else |
1920 |
cpu->cd.sh.next_ic ++; |
1921 |
} else |
1922 |
cpu->delay_slot = NOT_DELAYED; |
1923 |
} |
1924 |
X(bf_s) |
1925 |
{ |
1926 |
MODE_int_t target = cpu->pc & ~((SH_IC_ENTRIES_PER_PAGE-1) << |
1927 |
SH_INSTR_ALIGNMENT_SHIFT); |
1928 |
int cond = !(cpu->cd.sh.sr & SH_SR_T); |
1929 |
target += ic->arg[0]; |
1930 |
cpu->delay_slot = TO_BE_DELAYED; |
1931 |
ic[1].f(cpu, ic+1); |
1932 |
cpu->n_translated_instrs ++; |
1933 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
1934 |
cpu->delay_slot = NOT_DELAYED; |
1935 |
if (cond) { |
1936 |
cpu->pc = target; |
1937 |
quick_pc_to_pointers(cpu); |
1938 |
} else |
1939 |
cpu->cd.sh.next_ic ++; |
1940 |
} else |
1941 |
cpu->delay_slot = NOT_DELAYED; |
1942 |
} |
1943 |
X(bt_s_samepage) |
1944 |
{ |
1945 |
int cond = cpu->cd.sh.sr & SH_SR_T; |
1946 |
cpu->delay_slot = TO_BE_DELAYED; |
1947 |
ic[1].f(cpu, ic+1); |
1948 |
cpu->n_translated_instrs ++; |
1949 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
1950 |
cpu->delay_slot = NOT_DELAYED; |
1951 |
if (cond) |
1952 |
cpu->cd.sh.next_ic = |
1953 |
(struct sh_instr_call *) ic->arg[1]; |
1954 |
else |
1955 |
cpu->cd.sh.next_ic ++; |
1956 |
} else |
1957 |
cpu->delay_slot = NOT_DELAYED; |
1958 |
} |
1959 |
X(bf_s_samepage) |
1960 |
{ |
1961 |
int cond = !(cpu->cd.sh.sr & SH_SR_T); |
1962 |
cpu->delay_slot = TO_BE_DELAYED; |
1963 |
ic[1].f(cpu, ic+1); |
1964 |
cpu->n_translated_instrs ++; |
1965 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
1966 |
cpu->delay_slot = NOT_DELAYED; |
1967 |
if (cond) |
1968 |
cpu->cd.sh.next_ic = |
1969 |
(struct sh_instr_call *) ic->arg[1]; |
1970 |
else |
1971 |
cpu->cd.sh.next_ic ++; |
1972 |
} else |
1973 |
cpu->delay_slot = NOT_DELAYED; |
1974 |
} |
1975 |
|
1976 |
|
1977 |
/* |
1978 |
* jmp_rn: Jump to Rn |
1979 |
* jsr_rn: Jump to Rn, store return address in PR. |
1980 |
* |
1981 |
* arg[0] = ptr to rn |
1982 |
*/ |
1983 |
X(jmp_rn) |
1984 |
{ |
1985 |
MODE_int_t target = reg(ic->arg[0]); |
1986 |
cpu->delay_slot = TO_BE_DELAYED; |
1987 |
ic[1].f(cpu, ic+1); |
1988 |
cpu->n_translated_instrs ++; |
1989 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
1990 |
cpu->pc = target; |
1991 |
cpu->delay_slot = NOT_DELAYED; |
1992 |
quick_pc_to_pointers(cpu); |
1993 |
} else |
1994 |
cpu->delay_slot = NOT_DELAYED; |
1995 |
} |
1996 |
X(jmp_rn_trace) |
1997 |
{ |
1998 |
MODE_int_t target = reg(ic->arg[0]); |
1999 |
cpu->delay_slot = TO_BE_DELAYED; |
2000 |
ic[1].f(cpu, ic+1); |
2001 |
cpu->n_translated_instrs ++; |
2002 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
2003 |
cpu->pc = target; |
2004 |
#if 0 |
2005 |
/* NOTE: Jmp works like both a return, and a subroutine |
2006 |
call. */ |
2007 |
cpu_functioncall_trace_return(cpu); |
2008 |
cpu_functioncall_trace(cpu, cpu->pc); |
2009 |
#endif |
2010 |
cpu->delay_slot = NOT_DELAYED; |
2011 |
quick_pc_to_pointers(cpu); |
2012 |
} else |
2013 |
cpu->delay_slot = NOT_DELAYED; |
2014 |
} |
2015 |
X(jsr_rn) |
2016 |
{ |
2017 |
MODE_int_t target = reg(ic->arg[0]), retaddr; |
2018 |
cpu->delay_slot = TO_BE_DELAYED; |
2019 |
retaddr = cpu->pc & ~((SH_IC_ENTRIES_PER_PAGE-1) << |
2020 |
SH_INSTR_ALIGNMENT_SHIFT); |
2021 |
ic[1].f(cpu, ic+1); |
2022 |
cpu->n_translated_instrs ++; |
2023 |
cpu->cd.sh.pr = retaddr + (int32_t)ic->arg[1]; |
2024 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
2025 |
cpu->pc = target; |
2026 |
cpu->delay_slot = NOT_DELAYED; |
2027 |
quick_pc_to_pointers(cpu); |
2028 |
} else |
2029 |
cpu->delay_slot = NOT_DELAYED; |
2030 |
} |
2031 |
X(jsr_rn_trace) |
2032 |
{ |
2033 |
MODE_int_t target = reg(ic->arg[0]), retaddr; |
2034 |
cpu->delay_slot = TO_BE_DELAYED; |
2035 |
retaddr = cpu->pc & ~((SH_IC_ENTRIES_PER_PAGE-1) << |
2036 |
SH_INSTR_ALIGNMENT_SHIFT); |
2037 |
ic[1].f(cpu, ic+1); |
2038 |
cpu->n_translated_instrs ++; |
2039 |
cpu->cd.sh.pr = retaddr + (int32_t)ic->arg[1]; |
2040 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
2041 |
cpu->pc = target; |
2042 |
cpu_functioncall_trace(cpu, cpu->pc); |
2043 |
cpu->delay_slot = NOT_DELAYED; |
2044 |
quick_pc_to_pointers(cpu); |
2045 |
} else |
2046 |
cpu->delay_slot = NOT_DELAYED; |
2047 |
} |
2048 |
|
2049 |
|
2050 |
/* |
2051 |
* rts: Jump to PR. |
2052 |
*/ |
2053 |
X(rts) |
2054 |
{ |
2055 |
MODE_int_t target = cpu->cd.sh.pr; |
2056 |
cpu->delay_slot = TO_BE_DELAYED; |
2057 |
ic[1].f(cpu, ic+1); |
2058 |
cpu->n_translated_instrs ++; |
2059 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
2060 |
cpu->pc = target; |
2061 |
cpu->delay_slot = NOT_DELAYED; |
2062 |
quick_pc_to_pointers(cpu); |
2063 |
} else |
2064 |
cpu->delay_slot = NOT_DELAYED; |
2065 |
} |
2066 |
X(rts_trace) |
2067 |
{ |
2068 |
MODE_int_t target = cpu->cd.sh.pr; |
2069 |
cpu->delay_slot = TO_BE_DELAYED; |
2070 |
ic[1].f(cpu, ic+1); |
2071 |
cpu->n_translated_instrs ++; |
2072 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
2073 |
cpu->pc = target; |
2074 |
cpu_functioncall_trace_return(cpu); |
2075 |
cpu->delay_slot = NOT_DELAYED; |
2076 |
quick_pc_to_pointers(cpu); |
2077 |
} else |
2078 |
cpu->delay_slot = NOT_DELAYED; |
2079 |
} |
2080 |
|
2081 |
|
2082 |
/* |
2083 |
* rte: Return from exception. |
2084 |
*/ |
2085 |
X(rte) |
2086 |
{ |
2087 |
RES_INST_IF_NOT_MD; |
2088 |
|
2089 |
cpu->delay_slot = TO_BE_DELAYED; |
2090 |
ic[1].f(cpu, ic+1); |
2091 |
cpu->n_translated_instrs ++; |
2092 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
2093 |
cpu->pc = cpu->cd.sh.spc; |
2094 |
cpu->delay_slot = NOT_DELAYED; |
2095 |
sh_update_sr(cpu, cpu->cd.sh.ssr); |
2096 |
quick_pc_to_pointers(cpu); |
2097 |
} else |
2098 |
cpu->delay_slot = NOT_DELAYED; |
2099 |
} |
2100 |
|
2101 |
|
2102 |
/* |
2103 |
* ldtlb: Load UTLB entry. |
2104 |
*/ |
2105 |
X(ldtlb) |
2106 |
{ |
2107 |
uint32_t old_hi, old_lo; |
2108 |
int urc = (cpu->cd.sh.mmucr & SH4_MMUCR_URC_MASK) |
2109 |
>> SH4_MMUCR_URC_SHIFT; |
2110 |
|
2111 |
RES_INST_IF_NOT_MD; |
2112 |
|
2113 |
old_hi = cpu->cd.sh.utlb_hi[urc]; |
2114 |
old_lo = cpu->cd.sh.utlb_lo[urc]; |
2115 |
|
2116 |
cpu->cd.sh.utlb_hi[urc] = cpu->cd.sh.pteh; |
2117 |
cpu->cd.sh.utlb_lo[urc] = cpu->cd.sh.ptel; |
2118 |
|
2119 |
/* Invalidate the old mapping, if it belonged to the same ASID: */ |
2120 |
if ((old_hi & SH4_PTEH_ASID_MASK) == |
2121 |
(cpu->cd.sh.pteh & SH4_PTEH_ASID_MASK)) { |
2122 |
if ((old_lo & SH4_PTEL_SZ_MASK) == SH4_PTEL_SZ_4K) |
2123 |
cpu->invalidate_translation_caches(cpu, |
2124 |
old_hi & 0xfffff000, INVALIDATE_VADDR); |
2125 |
else |
2126 |
cpu->invalidate_translation_caches(cpu, |
2127 |
0, INVALIDATE_ALL); |
2128 |
} |
2129 |
} |
2130 |
|
2131 |
|
2132 |
/* |
2133 |
* copy_privileged_register: Copy normal into privileged register, or vice |
2134 |
* versa, after checking the MD status bit. |
2135 |
* |
2136 |
* arg[0] = ptr to source register |
2137 |
* arg[1] = ptr to destination register |
2138 |
*/ |
2139 |
X(copy_privileged_register) |
2140 |
{ |
2141 |
RES_INST_IF_NOT_MD; |
2142 |
reg(ic->arg[1]) = reg(ic->arg[0]); |
2143 |
} |
2144 |
|
2145 |
|
2146 |
/* |
2147 |
* ldc_rm_sr: Copy Rm into SR, after checking the MD status bit. |
2148 |
* |
2149 |
* arg[1] = ptr to rm |
2150 |
*/ |
2151 |
X(ldc_rm_sr) |
2152 |
{ |
2153 |
RES_INST_IF_NOT_MD; |
2154 |
sh_update_sr(cpu, reg(ic->arg[1])); |
2155 |
|
2156 |
#if 0 |
2157 |
/* NOTE: This code causes NetBSD/landisk to get past a point where it |
2158 |
otherwise hangs, but it causes Linux/Dreamcast to bug out instead. :/ */ |
2159 |
|
2160 |
if (!(cpu->cd.sh.sr & SH_SR_BL) && cpu->cd.sh.int_to_assert > 0 && |
2161 |
( (cpu->cd.sh.sr & SH_SR_IMASK) >> SH_SR_IMASK_SHIFT) |
2162 |
< cpu->cd.sh.int_level) { |
2163 |
/* Cause interrupt immediately, by dropping out of the |
2164 |
main dyntrans loop: */ |
2165 |
cpu->cd.sh.next_ic = ¬hing_call; |
2166 |
} |
2167 |
#endif |
2168 |
} |
2169 |
|
2170 |
|
2171 |
/* |
2172 |
* trapa: Immediate trap. |
2173 |
* |
2174 |
* arg[0] = imm << 2 |
2175 |
*/ |
2176 |
X(trapa) |
2177 |
{ |
2178 |
SYNCH_PC; |
2179 |
|
2180 |
if (cpu->delay_slot) { |
2181 |
sh_exception(cpu, EXPEVT_SLOT_INST, 0, 0); |
2182 |
return; |
2183 |
} |
2184 |
|
2185 |
cpu->cd.sh.tra = ic->arg[0]; |
2186 |
sh_exception(cpu, EXPEVT_TRAPA, 0, 0); |
2187 |
} |
2188 |
|
2189 |
|
2190 |
/* |
2191 |
* copy_fp_register: Copy a register into another, with FP avail check. |
2192 |
* lds_rm_fpscr: Copy Rm into FPSCR. |
2193 |
* |
2194 |
* arg[0] = ptr to source |
2195 |
* arg[1] = ptr to destination |
2196 |
*/ |
2197 |
X(copy_fp_register) |
2198 |
{ |
2199 |
FLOATING_POINT_AVAILABLE_CHECK; |
2200 |
reg(ic->arg[1]) = reg(ic->arg[0]); |
2201 |
} |
2202 |
X(lds_rm_fpscr) |
2203 |
{ |
2204 |
FLOATING_POINT_AVAILABLE_CHECK; |
2205 |
sh_update_fpscr(cpu, reg(ic->arg[1])); |
2206 |
} |
2207 |
|
2208 |
|
2209 |
/* |
2210 |
* fmov_frm_frn: Copy one floating-point register (or pair) to another. |
2211 |
* |
2212 |
* arg[0] = ptr to source float register or pair |
2213 |
* arg[1] = ptr to destination float register or pair |
2214 |
*/ |
2215 |
X(fmov_frm_frn) |
2216 |
{ |
2217 |
size_t r0, r1; |
2218 |
int ofs0, ofs1; |
2219 |
|
2220 |
FLOATING_POINT_AVAILABLE_CHECK; |
2221 |
|
2222 |
/* Simplest case, single-precision: */ |
2223 |
if (!(cpu->cd.sh.fpscr & SH_FPSCR_SZ)) { |
2224 |
reg(ic->arg[1]) = reg(ic->arg[0]); |
2225 |
return; |
2226 |
} |
2227 |
|
2228 |
/* Double-precision: */ |
2229 |
r0 = ic->arg[0]; r1 = ic->arg[1]; |
2230 |
ofs0 = (r0 - (size_t)&cpu->cd.sh.fr[0]) / sizeof(uint32_t); |
2231 |
ofs1 = (r1 - (size_t)&cpu->cd.sh.fr[0]) / sizeof(uint32_t); |
2232 |
if (ofs0 & 1) |
2233 |
r0 = (size_t)&cpu->cd.sh.xf[ofs0 & ~1]; |
2234 |
if (ofs1 & 1) |
2235 |
r1 = (size_t)&cpu->cd.sh.xf[ofs1 & ~1]; |
2236 |
|
2237 |
reg(r1) = reg(r0); |
2238 |
reg(r1 + 4) = reg(r0 + 4); |
2239 |
} |
2240 |
|
2241 |
|
2242 |
/* |
2243 |
* float_fpul_frn: Load FPUL into float register. |
2244 |
* |
2245 |
* arg[0] = ptr to float register, or float register pair |
2246 |
*/ |
2247 |
X(float_fpul_frn) |
2248 |
{ |
2249 |
int32_t fpul = cpu->cd.sh.fpul; |
2250 |
|
2251 |
FLOATING_POINT_AVAILABLE_CHECK; |
2252 |
|
2253 |
if (cpu->cd.sh.fpscr & SH_FPSCR_PR) { |
2254 |
/* Double-precision, using a pair of registers: */ |
2255 |
uint64_t ieee = ieee_store_float_value(fpul, IEEE_FMT_D, 0); |
2256 |
reg(ic->arg[0]) = (uint32_t) (ieee >> 32); |
2257 |
reg(ic->arg[0] + sizeof(uint32_t)) = (uint32_t) ieee; |
2258 |
} else { |
2259 |
/* Single-precision: */ |
2260 |
uint32_t ieee = ieee_store_float_value(fpul, IEEE_FMT_S, 0); |
2261 |
reg(ic->arg[0]) = (uint32_t) ieee; |
2262 |
} |
2263 |
} |
2264 |
|
2265 |
|
2266 |
/* |
2267 |
* ftrc_frm_fpul: Truncate a float register into FPUL. |
2268 |
* |
2269 |
* arg[0] = ptr to float register, or float register pair |
2270 |
*/ |
2271 |
X(ftrc_frm_fpul) |
2272 |
{ |
2273 |
struct ieee_float_value op1; |
2274 |
|
2275 |
FLOATING_POINT_AVAILABLE_CHECK; |
2276 |
|
2277 |
if (cpu->cd.sh.fpscr & SH_FPSCR_PR) { |
2278 |
/* Double-precision, using a pair of registers: */ |
2279 |
int64_t r1 = ((uint64_t)reg(ic->arg[0]) << 32) + |
2280 |
reg(ic->arg[0] + sizeof(uint32_t)); |
2281 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_D); |
2282 |
cpu->cd.sh.fpul = (int32_t) op1.f; |
2283 |
} else { |
2284 |
/* Single-precision: */ |
2285 |
ieee_interpret_float_value(reg(ic->arg[0]), &op1, IEEE_FMT_S); |
2286 |
cpu->cd.sh.fpul = (int32_t) op1.f; |
2287 |
} |
2288 |
} |
2289 |
|
2290 |
|
2291 |
/* |
2292 |
* fcnvsd_fpul_drn: Convert single-precision to double-precision. |
2293 |
* fcnvds_drm_fpul: Convert double-precision to single-precision. |
2294 |
* |
2295 |
* arg[0] = ptr to destination (double- or single-precision float) |
2296 |
*/ |
2297 |
X(fcnvsd_fpul_drn) |
2298 |
{ |
2299 |
struct ieee_float_value op1; |
2300 |
int64_t ieee; |
2301 |
|
2302 |
FLOATING_POINT_AVAILABLE_CHECK; |
2303 |
|
2304 |
ieee_interpret_float_value(cpu->cd.sh.fpul, &op1, IEEE_FMT_S); |
2305 |
cpu->cd.sh.fpul = (int32_t) op1.f; |
2306 |
|
2307 |
/* Store double-precision result: */ |
2308 |
ieee = ieee_store_float_value(op1.f, IEEE_FMT_D, 0); |
2309 |
reg(ic->arg[0]) = (uint32_t) (ieee >> 32); |
2310 |
reg(ic->arg[0] + sizeof(uint32_t)) = (uint32_t) ieee; |
2311 |
} |
2312 |
X(fcnvds_drm_fpul) |
2313 |
{ |
2314 |
struct ieee_float_value op1; |
2315 |
int64_t r1; |
2316 |
|
2317 |
FLOATING_POINT_AVAILABLE_CHECK; |
2318 |
|
2319 |
r1 = reg(ic->arg[0] + sizeof(uint32_t)) + |
2320 |
((uint64_t)reg(ic->arg[0]) << 32); |
2321 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_D); |
2322 |
|
2323 |
cpu->cd.sh.fpul = ieee_store_float_value(op1.f, IEEE_FMT_S, 0); |
2324 |
} |
2325 |
|
2326 |
|
2327 |
/* |
2328 |
* fsca_fpul_drn: Sinus/cosinus approximation. |
2329 |
* |
2330 |
* Note: This is an interesting instruction. It is not included in the SH4 |
2331 |
* manual. Some googling indicated that this might be an SH4X instruction. |
2332 |
* On the other hand, it is used by Dreamcast code (and the Dreamcast has an |
2333 |
* SH4), and a cvs comment for gdb said that this is an SH4 instruction, not |
2334 |
* an SH4A instruction. Well well... |
2335 |
* |
2336 |
* arg[0] = ptr to single-precision float register pair |
2337 |
*/ |
2338 |
X(fsca_fpul_drn) |
2339 |
{ |
2340 |
double fpul = ((double) (int32_t)cpu->cd.sh.fpul) / 32768.0; |
2341 |
|
2342 |
FLOATING_POINT_AVAILABLE_CHECK; |
2343 |
|
2344 |
reg(ic->arg[0]) = ieee_store_float_value(sin(fpul), IEEE_FMT_S, 0); |
2345 |
reg(ic->arg[0] + sizeof(uint32_t)) = |
2346 |
ieee_store_float_value(cos(fpul), IEEE_FMT_S, 0); |
2347 |
} |
2348 |
|
2349 |
|
2350 |
/* |
2351 |
* ftrv_xmtrx_fvn: Matrix * vector ==> vector |
2352 |
* |
2353 |
* arg[0] = ptr to FVn |
2354 |
*/ |
2355 |
X(ftrv_xmtrx_fvn) |
2356 |
{ |
2357 |
int i; |
2358 |
struct ieee_float_value xmtrx[16], frn[4]; |
2359 |
double frnp0 = 0.0, frnp1 = 0.0, frnp2 = 0.0, frnp3 = 0.0; |
2360 |
|
2361 |
ieee_interpret_float_value(reg(ic->arg[0] + 0), &frn[0], IEEE_FMT_S); |
2362 |
ieee_interpret_float_value(reg(ic->arg[0] + 4), &frn[1], IEEE_FMT_S); |
2363 |
ieee_interpret_float_value(reg(ic->arg[0] + 8), &frn[2], IEEE_FMT_S); |
2364 |
ieee_interpret_float_value(reg(ic->arg[0] + 12), &frn[3], IEEE_FMT_S); |
2365 |
|
2366 |
for (i=0; i<16; i++) |
2367 |
ieee_interpret_float_value(cpu->cd.sh.xf[i], |
2368 |
&xmtrx[i], IEEE_FMT_S); |
2369 |
|
2370 |
for (i=0; i<4; i++) |
2371 |
frnp0 += xmtrx[i*4].f * frn[i].f; |
2372 |
|
2373 |
for (i=0; i<4; i++) |
2374 |
frnp1 += xmtrx[i*4 + 1].f * frn[i].f; |
2375 |
|
2376 |
for (i=0; i<4; i++) |
2377 |
frnp2 += xmtrx[i*4 + 2].f * frn[i].f; |
2378 |
|
2379 |
for (i=0; i<4; i++) |
2380 |
frnp3 += xmtrx[i*4 + 3].f * frn[i].f; |
2381 |
|
2382 |
reg(ic->arg[0] + 0) = ieee_store_float_value(frnp0, IEEE_FMT_S, 0); |
2383 |
reg(ic->arg[0] + 4) = ieee_store_float_value(frnp1, IEEE_FMT_S, 0); |
2384 |
reg(ic->arg[0] + 8) = ieee_store_float_value(frnp2, IEEE_FMT_S, 0); |
2385 |
reg(ic->arg[0] + 12) = ieee_store_float_value(frnp3, IEEE_FMT_S, 0); |
2386 |
} |
2387 |
|
2388 |
|
2389 |
/* |
2390 |
* fldi: Load immediate (0.0 or 1.0) into floating point register. |
2391 |
* fneg: Negate a floating point register |
2392 |
* fabs: Get the absolute value of a floating point register |
2393 |
* fsqrt: Calculate square root |
2394 |
* |
2395 |
* arg[0] = ptr to fp register |
2396 |
* arg[1] = (uint32_t) immediate value (for fldi) |
2397 |
*/ |
2398 |
X(fldi_frn) |
2399 |
{ |
2400 |
FLOATING_POINT_AVAILABLE_CHECK; |
2401 |
reg(ic->arg[0]) = ic->arg[1]; |
2402 |
} |
2403 |
X(fneg_frn) |
2404 |
{ |
2405 |
FLOATING_POINT_AVAILABLE_CHECK; |
2406 |
/* Note: This also works for double-precision. */ |
2407 |
reg(ic->arg[0]) ^= 0x80000000; |
2408 |
} |
2409 |
X(fabs_frn) |
2410 |
{ |
2411 |
FLOATING_POINT_AVAILABLE_CHECK; |
2412 |
/* Note: This also works for double-precision. */ |
2413 |
reg(ic->arg[0]) &= 0x7fffffff; |
2414 |
} |
2415 |
X(fsqrt_frn) |
2416 |
{ |
2417 |
struct ieee_float_value op1; |
2418 |
|
2419 |
FLOATING_POINT_AVAILABLE_CHECK; |
2420 |
|
2421 |
if (cpu->cd.sh.fpscr & SH_FPSCR_PR) { |
2422 |
/* Double-precision: */ |
2423 |
int64_t r1, ieee; |
2424 |
r1 = reg(ic->arg[0] + sizeof(uint32_t)) + |
2425 |
((uint64_t)reg(ic->arg[0]) << 32); |
2426 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_D); |
2427 |
ieee = ieee_store_float_value(sqrt(op1.f), IEEE_FMT_D, 0); |
2428 |
reg(ic->arg[0]) = (uint32_t) (ieee >> 32); |
2429 |
reg(ic->arg[0] + sizeof(uint32_t)) = (uint32_t) ieee; |
2430 |
} else { |
2431 |
/* Single-precision: */ |
2432 |
int32_t ieee, r1 = reg(ic->arg[0]); |
2433 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_S); |
2434 |
ieee = ieee_store_float_value(sqrt(op1.f), IEEE_FMT_S, 0); |
2435 |
reg(ic->arg[0]) = ieee; |
2436 |
} |
2437 |
} |
2438 |
|
2439 |
|
2440 |
/* |
2441 |
* fadd_frm_frn: Floating point addition. |
2442 |
* fsub_frm_frn: Floating point subtraction. |
2443 |
* fmul_frm_frn: Floating point multiplication. |
2444 |
* fdiv_frm_frn: Floating point division. |
2445 |
* fmac_fr0_frm_frn: Multiply-and-accumulate. |
2446 |
* fcmp_eq_frm_frn: Floating point greater-than comparison. |
2447 |
* fcmp_gt_frm_frn: Floating point greater-than comparison. |
2448 |
* |
2449 |
* arg[0] = ptr to float register FRm |
2450 |
* arg[1] = ptr to float register FRn |
2451 |
*/ |
2452 |
X(fadd_frm_frn) |
2453 |
{ |
2454 |
struct ieee_float_value op1, op2; |
2455 |
|
2456 |
FLOATING_POINT_AVAILABLE_CHECK; |
2457 |
|
2458 |
if (cpu->cd.sh.fpscr & SH_FPSCR_PR) { |
2459 |
/* Double-precision, using a pair of registers: */ |
2460 |
int64_t r1, r2, ieee; |
2461 |
double result; |
2462 |
|
2463 |
r1 = reg(ic->arg[0] + sizeof(uint32_t)) + |
2464 |
((uint64_t)reg(ic->arg[0]) << 32); |
2465 |
r2 = reg(ic->arg[1] + sizeof(uint32_t)) + |
2466 |
((uint64_t)reg(ic->arg[1]) << 32); |
2467 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_D); |
2468 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_D); |
2469 |
|
2470 |
result = op2.f + op1.f; |
2471 |
ieee = ieee_store_float_value(result, IEEE_FMT_D, 0); |
2472 |
reg(ic->arg[1]) = (uint32_t) (ieee >> 32); |
2473 |
reg(ic->arg[1] + sizeof(uint32_t)) = (uint32_t) ieee; |
2474 |
} else { |
2475 |
/* Single-precision: */ |
2476 |
uint32_t r1, r2, ieee; |
2477 |
double result; |
2478 |
|
2479 |
r1 = reg(ic->arg[0]); |
2480 |
r2 = reg(ic->arg[1]); |
2481 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_S); |
2482 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_S); |
2483 |
|
2484 |
result = op2.f + op1.f; |
2485 |
ieee = ieee_store_float_value(result, IEEE_FMT_S, 0); |
2486 |
reg(ic->arg[1]) = (uint32_t) ieee; |
2487 |
} |
2488 |
} |
2489 |
X(fsub_frm_frn) |
2490 |
{ |
2491 |
struct ieee_float_value op1, op2; |
2492 |
|
2493 |
FLOATING_POINT_AVAILABLE_CHECK; |
2494 |
|
2495 |
if (cpu->cd.sh.fpscr & SH_FPSCR_PR) { |
2496 |
/* Double-precision, using a pair of registers: */ |
2497 |
int64_t r1, r2, ieee; |
2498 |
double result; |
2499 |
r1 = reg(ic->arg[0] + sizeof(uint32_t)) + |
2500 |
((uint64_t)reg(ic->arg[0]) << 32); |
2501 |
r2 = reg(ic->arg[1] + sizeof(uint32_t)) + |
2502 |
((uint64_t)reg(ic->arg[1]) << 32); |
2503 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_D); |
2504 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_D); |
2505 |
result = op2.f - op1.f; |
2506 |
ieee = ieee_store_float_value(result, IEEE_FMT_D, 0); |
2507 |
reg(ic->arg[1]) = (uint32_t) (ieee >> 32); |
2508 |
reg(ic->arg[1] + sizeof(uint32_t)) = (uint32_t) ieee; |
2509 |
} else { |
2510 |
/* Single-precision: */ |
2511 |
uint32_t r1, r2, ieee; |
2512 |
double result; |
2513 |
r1 = reg(ic->arg[0]); |
2514 |
r2 = reg(ic->arg[1]); |
2515 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_S); |
2516 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_S); |
2517 |
result = op2.f - op1.f; |
2518 |
ieee = ieee_store_float_value(result, IEEE_FMT_S, 0); |
2519 |
reg(ic->arg[1]) = (uint32_t) ieee; |
2520 |
} |
2521 |
} |
2522 |
X(fmul_frm_frn) |
2523 |
{ |
2524 |
struct ieee_float_value op1, op2; |
2525 |
|
2526 |
FLOATING_POINT_AVAILABLE_CHECK; |
2527 |
|
2528 |
if (cpu->cd.sh.fpscr & SH_FPSCR_PR) { |
2529 |
/* Double-precision, using a pair of registers: */ |
2530 |
int64_t r1, r2, ieee; |
2531 |
double result; |
2532 |
|
2533 |
r1 = reg(ic->arg[0] + sizeof(uint32_t)) + |
2534 |
((uint64_t)reg(ic->arg[0]) << 32); |
2535 |
r2 = reg(ic->arg[1] + sizeof(uint32_t)) + |
2536 |
((uint64_t)reg(ic->arg[1]) << 32); |
2537 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_D); |
2538 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_D); |
2539 |
|
2540 |
result = op2.f * op1.f; |
2541 |
ieee = ieee_store_float_value(result, IEEE_FMT_D, 0); |
2542 |
reg(ic->arg[1]) = (uint32_t) (ieee >> 32); |
2543 |
reg(ic->arg[1] + sizeof(uint32_t)) = (uint32_t) ieee; |
2544 |
} else { |
2545 |
/* Single-precision: */ |
2546 |
uint32_t r1, r2, ieee; |
2547 |
double result; |
2548 |
|
2549 |
r1 = reg(ic->arg[0]); |
2550 |
r2 = reg(ic->arg[1]); |
2551 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_S); |
2552 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_S); |
2553 |
|
2554 |
result = op2.f * op1.f; |
2555 |
ieee = ieee_store_float_value(result, IEEE_FMT_S, 0); |
2556 |
reg(ic->arg[1]) = (uint32_t) ieee; |
2557 |
} |
2558 |
} |
2559 |
X(fdiv_frm_frn) |
2560 |
{ |
2561 |
struct ieee_float_value op1, op2; |
2562 |
|
2563 |
FLOATING_POINT_AVAILABLE_CHECK; |
2564 |
|
2565 |
if (cpu->cd.sh.fpscr & SH_FPSCR_PR) { |
2566 |
/* Double-precision, using a pair of registers: */ |
2567 |
int64_t r1, r2, ieee; |
2568 |
double result; |
2569 |
|
2570 |
r1 = reg(ic->arg[0] + sizeof(uint32_t)) + |
2571 |
((uint64_t)reg(ic->arg[0]) << 32); |
2572 |
r2 = reg(ic->arg[1] + sizeof(uint32_t)) + |
2573 |
((uint64_t)reg(ic->arg[1]) << 32); |
2574 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_D); |
2575 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_D); |
2576 |
|
2577 |
if (op1.f != 0.0) |
2578 |
result = op2.f / op1.f; |
2579 |
else |
2580 |
result = 0.0; |
2581 |
|
2582 |
ieee = ieee_store_float_value(result, IEEE_FMT_D, 0); |
2583 |
|
2584 |
reg(ic->arg[1]) = (uint32_t) (ieee >> 32); |
2585 |
reg(ic->arg[1] + sizeof(uint32_t)) = (uint32_t) ieee; |
2586 |
} else { |
2587 |
/* Single-precision: */ |
2588 |
uint32_t r1, r2, ieee; |
2589 |
double result; |
2590 |
|
2591 |
r1 = reg(ic->arg[0]); |
2592 |
r2 = reg(ic->arg[1]); |
2593 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_S); |
2594 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_S); |
2595 |
|
2596 |
if (op1.f != 0.0) |
2597 |
result = op2.f / op1.f; |
2598 |
else |
2599 |
result = 0.0; |
2600 |
|
2601 |
ieee = ieee_store_float_value(result, IEEE_FMT_S, 0); |
2602 |
|
2603 |
reg(ic->arg[1]) = (uint32_t) ieee; |
2604 |
} |
2605 |
} |
2606 |
X(fmac_fr0_frm_frn) |
2607 |
{ |
2608 |
struct ieee_float_value op1, op2, op0; |
2609 |
int32_t r1, r2, fr0 = cpu->cd.sh.fr[0], ieee; |
2610 |
|
2611 |
FLOATING_POINT_AVAILABLE_CHECK; |
2612 |
|
2613 |
r1 = reg(ic->arg[0]), r2 = reg(ic->arg[1]); |
2614 |
ieee_interpret_float_value(fr0, &op0, IEEE_FMT_S); |
2615 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_S); |
2616 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_S); |
2617 |
ieee = ieee_store_float_value(op0.f * op1.f + op2.f, IEEE_FMT_S, 0); |
2618 |
reg(ic->arg[1]) = ieee; |
2619 |
} |
2620 |
X(fcmp_eq_frm_frn) |
2621 |
{ |
2622 |
struct ieee_float_value op1, op2; |
2623 |
|
2624 |
FLOATING_POINT_AVAILABLE_CHECK; |
2625 |
|
2626 |
if (cpu->cd.sh.fpscr & SH_FPSCR_PR) { |
2627 |
/* Double-precision, using a pair of registers: */ |
2628 |
int64_t r1, r2; |
2629 |
r1 = reg(ic->arg[0] + sizeof(uint32_t)) + |
2630 |
((uint64_t)reg(ic->arg[0]) << 32); |
2631 |
r2 = reg(ic->arg[1] + sizeof(uint32_t)) + |
2632 |
((uint64_t)reg(ic->arg[1]) << 32); |
2633 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_D); |
2634 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_D); |
2635 |
} else { |
2636 |
/* Single-precision: */ |
2637 |
uint32_t r1 = reg(ic->arg[0]), r2 = reg(ic->arg[1]); |
2638 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_S); |
2639 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_S); |
2640 |
} |
2641 |
|
2642 |
if (op2.f == op1.f) |
2643 |
cpu->cd.sh.sr |= SH_SR_T; |
2644 |
else |
2645 |
cpu->cd.sh.sr &= ~SH_SR_T; |
2646 |
} |
2647 |
X(fcmp_gt_frm_frn) |
2648 |
{ |
2649 |
struct ieee_float_value op1, op2; |
2650 |
|
2651 |
FLOATING_POINT_AVAILABLE_CHECK; |
2652 |
|
2653 |
if (cpu->cd.sh.fpscr & SH_FPSCR_PR) { |
2654 |
/* Double-precision, using a pair of registers: */ |
2655 |
int64_t r1, r2; |
2656 |
r1 = reg(ic->arg[0] + sizeof(uint32_t)) + |
2657 |
((uint64_t)reg(ic->arg[0]) << 32); |
2658 |
r2 = reg(ic->arg[1] + sizeof(uint32_t)) + |
2659 |
((uint64_t)reg(ic->arg[1]) << 32); |
2660 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_D); |
2661 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_D); |
2662 |
} else { |
2663 |
/* Single-precision: */ |
2664 |
uint32_t r1 = reg(ic->arg[0]), r2 = reg(ic->arg[1]); |
2665 |
ieee_interpret_float_value(r1, &op1, IEEE_FMT_S); |
2666 |
ieee_interpret_float_value(r2, &op2, IEEE_FMT_S); |
2667 |
} |
2668 |
|
2669 |
if (op2.f > op1.f) |
2670 |
cpu->cd.sh.sr |= SH_SR_T; |
2671 |
else |
2672 |
cpu->cd.sh.sr &= ~SH_SR_T; |
2673 |
} |
2674 |
|
2675 |
|
2676 |
/* |
2677 |
* frchg: Change floating-point register banks. |
2678 |
* fschg: Change floating-point register size. |
2679 |
*/ |
2680 |
X(frchg) |
2681 |
{ |
2682 |
FLOATING_POINT_AVAILABLE_CHECK; |
2683 |
sh_update_fpscr(cpu, cpu->cd.sh.fpscr ^ SH_FPSCR_FR); |
2684 |
} |
2685 |
X(fschg) |
2686 |
{ |
2687 |
FLOATING_POINT_AVAILABLE_CHECK; |
2688 |
sh_update_fpscr(cpu, cpu->cd.sh.fpscr ^ SH_FPSCR_SZ); |
2689 |
} |
2690 |
|
2691 |
|
2692 |
/* |
2693 |
* pref_rn: Prefetch. |
2694 |
* |
2695 |
* arg[1] = ptr to Rn |
2696 |
*/ |
2697 |
X(pref_rn) |
2698 |
{ |
2699 |
uint32_t addr = reg(ic->arg[1]), extaddr; |
2700 |
int sq_nr, ofs; |
2701 |
|
2702 |
if (addr < 0xe0000000 || addr >= 0xe4000000) |
2703 |
return; |
2704 |
|
2705 |
/* Send Store Queue contents to external memory: */ |
2706 |
extaddr = addr & 0x03ffffe0; |
2707 |
sq_nr = addr & 0x20? 1 : 0; |
2708 |
|
2709 |
if (cpu->cd.sh.mmucr & SH4_MMUCR_AT) { |
2710 |
fatal("Store Queue to external memory, when " |
2711 |
"MMU enabled: TODO\n"); |
2712 |
exit(1); |
2713 |
} |
2714 |
|
2715 |
if (sq_nr == 0) |
2716 |
extaddr |= (((cpu->cd.sh.qacr0 >> 2) & 7) << 26); |
2717 |
else |
2718 |
extaddr |= (((cpu->cd.sh.qacr1 >> 2) & 7) << 26); |
2719 |
|
2720 |
/* fatal("extaddr = 0x%08x\n", extaddr); */ |
2721 |
|
2722 |
SYNCH_PC; |
2723 |
for (ofs = 0; ofs < 32; ofs += sizeof(uint32_t)) { |
2724 |
uint32_t word; |
2725 |
cpu->memory_rw(cpu, cpu->mem, 0xe0000000 + ofs |
2726 |
+ sq_nr * 0x20, (unsigned char *) |
2727 |
&word, sizeof(word), MEM_READ, PHYSICAL); |
2728 |
cpu->memory_rw(cpu, cpu->mem, extaddr+ofs, (unsigned char *) |
2729 |
&word, sizeof(word), MEM_WRITE, PHYSICAL); |
2730 |
} |
2731 |
} |
2732 |
|
2733 |
|
2734 |
/* |
2735 |
* tas_b_rn: Test-and-Set. |
2736 |
* |
2737 |
* arg[1] = ptr to Rn |
2738 |
*/ |
2739 |
X(tas_b_rn) |
2740 |
{ |
2741 |
uint32_t addr = reg(ic->arg[1]); |
2742 |
uint8_t byte, newbyte; |
2743 |
|
2744 |
SYNCH_PC; |
2745 |
|
2746 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, &byte, 1, MEM_READ, |
2747 |
CACHE_DATA)) { |
2748 |
/* Exception. */ |
2749 |
return; |
2750 |
} |
2751 |
|
2752 |
newbyte = byte | 0x80; |
2753 |
|
2754 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, &newbyte, 1, MEM_WRITE, |
2755 |
CACHE_DATA)) { |
2756 |
/* Exception. */ |
2757 |
return; |
2758 |
} |
2759 |
|
2760 |
if (byte == 0) |
2761 |
cpu->cd.sh.sr |= SH_SR_T; |
2762 |
else |
2763 |
cpu->cd.sh.sr &= ~SH_SR_T; |
2764 |
} |
2765 |
|
2766 |
|
2767 |
/* |
2768 |
* prom_emul: |
2769 |
*/ |
2770 |
X(prom_emul) |
2771 |
{ |
2772 |
uint32_t old_pc; |
2773 |
SYNCH_PC; |
2774 |
old_pc = cpu->pc; |
2775 |
|
2776 |
switch (cpu->machine->machine_type) { |
2777 |
case MACHINE_DREAMCAST: |
2778 |
dreamcast_emul(cpu); |
2779 |
break; |
2780 |
case MACHINE_LANDISK: |
2781 |
sh_ipl_g_emul(cpu); |
2782 |
break; |
2783 |
default: |
2784 |
fatal("SH prom_emul: unimplemented machine type.\n"); |
2785 |
exit(1); |
2786 |
} |
2787 |
|
2788 |
if (!cpu->running) { |
2789 |
cpu->n_translated_instrs --; |
2790 |
cpu->cd.sh.next_ic = ¬hing_call; |
2791 |
} else if ((uint32_t)cpu->pc != old_pc) { |
2792 |
/* The PC value was changed by the PROM call. */ |
2793 |
quick_pc_to_pointers(cpu); |
2794 |
} |
2795 |
} |
2796 |
|
2797 |
|
2798 |
/*****************************************************************************/ |
2799 |
|
2800 |
|
2801 |
X(end_of_page) |
2802 |
{ |
2803 |
/* Update the PC: (offset 0, but on the next page) */ |
2804 |
cpu->pc &= ~((SH_IC_ENTRIES_PER_PAGE-1) << |
2805 |
SH_INSTR_ALIGNMENT_SHIFT); |
2806 |
cpu->pc += (SH_IC_ENTRIES_PER_PAGE << SH_INSTR_ALIGNMENT_SHIFT); |
2807 |
|
2808 |
/* end_of_page doesn't count as an executed instruction: */ |
2809 |
cpu->n_translated_instrs --; |
2810 |
|
2811 |
/* |
2812 |
* Find the new physpage and update translation pointers. |
2813 |
* |
2814 |
* Note: This may cause an exception, if e.g. the new page is |
2815 |
* not accessible. |
2816 |
*/ |
2817 |
quick_pc_to_pointers(cpu); |
2818 |
|
2819 |
/* Simple jump to the next page (if we are lucky): */ |
2820 |
if (cpu->delay_slot == NOT_DELAYED) |
2821 |
return; |
2822 |
|
2823 |
/* |
2824 |
* If we were in a delay slot, and we got an exception while doing |
2825 |
* quick_pc_to_pointers, then return. The function which called |
2826 |
* end_of_page should handle this case. |
2827 |
*/ |
2828 |
if (cpu->delay_slot == EXCEPTION_IN_DELAY_SLOT) |
2829 |
return; |
2830 |
|
2831 |
/* |
2832 |
* Tricky situation; the delay slot is on the next virtual page. |
2833 |
* Calling to_be_translated will translate one instruction manually, |
2834 |
* execute it, and then discard it. |
2835 |
*/ |
2836 |
/* fatal("[ end_of_page: delay slot across page boundary! ]\n"); */ |
2837 |
|
2838 |
instr(to_be_translated)(cpu, cpu->cd.sh.next_ic); |
2839 |
|
2840 |
/* The instruction in the delay slot has now executed. */ |
2841 |
/* fatal("[ end_of_page: back from executing the delay slot, %i ]\n", |
2842 |
cpu->delay_slot); */ |
2843 |
|
2844 |
/* Find the physpage etc of the instruction in the delay slot |
2845 |
(or, if there was an exception, the exception handler): */ |
2846 |
quick_pc_to_pointers(cpu); |
2847 |
} |
2848 |
|
2849 |
|
2850 |
X(end_of_page2) |
2851 |
{ |
2852 |
/* Synchronize PC on the _second_ instruction on the next page: */ |
2853 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sh.cur_ic_page) |
2854 |
/ sizeof(struct sh_instr_call); |
2855 |
cpu->pc &= ~((SH_IC_ENTRIES_PER_PAGE-1) |
2856 |
<< SH_INSTR_ALIGNMENT_SHIFT); |
2857 |
cpu->pc += (low_pc << SH_INSTR_ALIGNMENT_SHIFT); |
2858 |
|
2859 |
/* This doesn't count as an executed instruction. */ |
2860 |
cpu->n_translated_instrs --; |
2861 |
|
2862 |
quick_pc_to_pointers(cpu); |
2863 |
|
2864 |
if (cpu->delay_slot == NOT_DELAYED) |
2865 |
return; |
2866 |
|
2867 |
fatal("end_of_page2: fatal error, we're in a delay slot\n"); |
2868 |
exit(1); |
2869 |
} |
2870 |
|
2871 |
|
2872 |
/*****************************************************************************/ |
2873 |
|
2874 |
|
2875 |
/* |
2876 |
* sh_instr_to_be_translated(): |
2877 |
* |
2878 |
* Translate an instruction word into an sh_instr_call. ic is filled in with |
2879 |
* valid data for the translated instruction, or a "nothing" instruction if |
2880 |
* there was a translation failure. The newly translated instruction is then |
2881 |
* executed. |
2882 |
*/ |
2883 |
X(to_be_translated) |
2884 |
{ |
2885 |
uint32_t addr, low_pc, iword; |
2886 |
unsigned char *page; |
2887 |
unsigned char ib[2]; |
2888 |
int main_opcode, isize = sizeof(ib); |
2889 |
int in_crosspage_delayslot = 0, r8, r4, lo4, lo8; |
2890 |
void (*samepage_function)(struct cpu *, struct sh_instr_call *); |
2891 |
|
2892 |
/* Figure out the (virtual) address of the instruction: */ |
2893 |
low_pc = ((size_t)ic - (size_t)cpu->cd.sh.cur_ic_page) |
2894 |
/ sizeof(struct sh_instr_call); |
2895 |
|
2896 |
/* Special case for branch with delayslot on the next page: */ |
2897 |
if (cpu->delay_slot == TO_BE_DELAYED && low_pc == 0) { |
2898 |
/* fatal("[ delay-slot translation across page " |
2899 |
"boundary ]\n"); */ |
2900 |
in_crosspage_delayslot = 1; |
2901 |
} |
2902 |
|
2903 |
addr = cpu->pc & ~((SH_IC_ENTRIES_PER_PAGE-1) |
2904 |
<< SH_INSTR_ALIGNMENT_SHIFT); |
2905 |
addr += (low_pc << SH_INSTR_ALIGNMENT_SHIFT); |
2906 |
cpu->pc = (MODE_int_t)addr; |
2907 |
addr &= ~((1 << SH_INSTR_ALIGNMENT_SHIFT) - 1); |
2908 |
|
2909 |
/* Read the instruction word from memory: */ |
2910 |
page = cpu->cd.sh.host_load[(uint32_t)addr >> 12]; |
2911 |
|
2912 |
if (page != NULL) { |
2913 |
/* fatal("TRANSLATION HIT!\n"); */ |
2914 |
memcpy(ib, page + (addr & 0xfff), isize); |
2915 |
} else { |
2916 |
/* fatal("TRANSLATION MISS!\n"); */ |
2917 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, ib, |
2918 |
isize, MEM_READ, CACHE_INSTRUCTION)) { |
2919 |
fatal("to_be_translated(): read failed: TODO\n"); |
2920 |
goto bad; |
2921 |
} |
2922 |
} |
2923 |
|
2924 |
iword = *((uint16_t *)&ib[0]); |
2925 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
2926 |
iword = LE16_TO_HOST(iword); |
2927 |
else |
2928 |
iword = BE16_TO_HOST(iword); |
2929 |
main_opcode = iword >> 12; |
2930 |
r8 = (iword >> 8) & 0xf; |
2931 |
r4 = (iword >> 4) & 0xf; |
2932 |
lo8 = iword & 0xff; |
2933 |
lo4 = iword & 0xf; |
2934 |
|
2935 |
|
2936 |
#define DYNTRANS_TO_BE_TRANSLATED_HEAD |
2937 |
#include "cpu_dyntrans.c" |
2938 |
#undef DYNTRANS_TO_BE_TRANSLATED_HEAD |
2939 |
|
2940 |
|
2941 |
/* |
2942 |
* Translate the instruction: |
2943 |
*/ |
2944 |
|
2945 |
/* Default args. for many instructions: */ |
2946 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r4]; /* m */ |
2947 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r8]; /* n */ |
2948 |
|
2949 |
switch (main_opcode) { |
2950 |
|
2951 |
case 0x0: |
2952 |
if (lo4 == 0x4) { |
2953 |
/* MOV.B Rm,@(R0,Rn) */ |
2954 |
ic->f = instr(mov_b_rm_r0_rn); |
2955 |
} else if (lo4 == 0x5) { |
2956 |
/* MOV.W Rm,@(R0,Rn) */ |
2957 |
ic->f = instr(mov_w_rm_r0_rn); |
2958 |
} else if (lo4 == 0x6) { |
2959 |
/* MOV.L Rm,@(R0,Rn) */ |
2960 |
ic->f = instr(mov_l_rm_r0_rn); |
2961 |
} else if (lo4 == 0x7) { |
2962 |
/* MUL.L Rm,Rn */ |
2963 |
ic->f = instr(mul_l_rm_rn); |
2964 |
} else if (iword == 0x000b) { |
2965 |
if (cpu->machine->show_trace_tree) |
2966 |
ic->f = instr(rts_trace); |
2967 |
else |
2968 |
ic->f = instr(rts); |
2969 |
} else if (lo4 == 0xc) { |
2970 |
/* MOV.B @(R0,Rm),Rn */ |
2971 |
ic->f = instr(mov_b_r0_rm_rn); |
2972 |
} else if (lo4 == 0xd) { |
2973 |
/* MOV.W @(R0,Rm),Rn */ |
2974 |
ic->f = instr(mov_w_r0_rm_rn); |
2975 |
} else if (lo4 == 0xe) { |
2976 |
/* MOV.L @(R0,Rm),Rn */ |
2977 |
ic->f = instr(mov_l_r0_rm_rn); |
2978 |
} else if (iword == 0x0008) { |
2979 |
/* CLRT */ |
2980 |
ic->f = instr(clrt); |
2981 |
} else if (iword == 0x0018) { |
2982 |
/* SETT */ |
2983 |
ic->f = instr(sett); |
2984 |
} else if (iword == 0x0019) { |
2985 |
/* DIV0U */ |
2986 |
ic->f = instr(div0u); |
2987 |
} else if (iword == 0x001b) { |
2988 |
/* SLEEP */ |
2989 |
ic->f = instr(sleep); |
2990 |
} else if (iword == 0x0028) { |
2991 |
/* CLRMAC */ |
2992 |
ic->f = instr(clrmac); |
2993 |
} else if (iword == 0x002b) { |
2994 |
/* RTE */ |
2995 |
ic->f = instr(rte); |
2996 |
} else if (iword == 0x0038) { |
2997 |
/* LDTLB */ |
2998 |
ic->f = instr(ldtlb); |
2999 |
} else if (iword == 0x0048) { |
3000 |
/* CLRS */ |
3001 |
ic->f = instr(clrs); |
3002 |
} else if (iword == 0x0058) { |
3003 |
/* SETS */ |
3004 |
ic->f = instr(sets); |
3005 |
} else if ((lo8 & 0x8f) == 0x82) { |
3006 |
/* STC Rm_BANK, Rn */ |
3007 |
ic->f = instr(copy_privileged_register); |
3008 |
ic->arg[0] = (size_t)&cpu->cd.sh.r_bank[(lo8 >> 4) & 7]; |
3009 |
} else if (iword == SH_INVALID_INSTR) { |
3010 |
/* PROM emulation (GXemul specific) */ |
3011 |
ic->f = instr(prom_emul); |
3012 |
} else { |
3013 |
switch (lo8) { |
3014 |
case 0x02: /* STC SR,Rn */ |
3015 |
ic->f = instr(copy_privileged_register); |
3016 |
ic->arg[0] = (size_t)&cpu->cd.sh.sr; |
3017 |
break; |
3018 |
case 0x03: /* BSRF Rn */ |
3019 |
ic->f = instr(bsrf_rn); |
3020 |
ic->arg[0] = (int32_t) (addr & |
3021 |
((SH_IC_ENTRIES_PER_PAGE-1) |
3022 |
<< SH_INSTR_ALIGNMENT_SHIFT) & ~1) + 4; |
3023 |
/* arg[1] is Rn */ |
3024 |
break; |
3025 |
case 0x09: /* NOP */ |
3026 |
ic->f = instr(nop); |
3027 |
if (iword & 0x0f00) { |
3028 |
if (!cpu->translation_readahead) |
3029 |
fatal("Unimplemented NOP" |
3030 |
" variant?\n"); |
3031 |
goto bad; |
3032 |
} |
3033 |
break; |
3034 |
case 0x0a: /* STS MACH,Rn */ |
3035 |
ic->f = instr(mov_rm_rn); |
3036 |
ic->arg[0] = (size_t)&cpu->cd.sh.mach; |
3037 |
break; |
3038 |
case 0x12: /* STC GBR,Rn */ |
3039 |
ic->f = instr(mov_rm_rn); |
3040 |
ic->arg[0] = (size_t)&cpu->cd.sh.gbr; |
3041 |
break; |
3042 |
case 0x1a: /* STS MACL,Rn */ |
3043 |
ic->f = instr(mov_rm_rn); |
3044 |
ic->arg[0] = (size_t)&cpu->cd.sh.macl; |
3045 |
break; |
3046 |
case 0x22: /* STC VBR,Rn */ |
3047 |
ic->f = instr(copy_privileged_register); |
3048 |
ic->arg[0] = (size_t)&cpu->cd.sh.vbr; |
3049 |
break; |
3050 |
case 0x23: /* BRAF Rn */ |
3051 |
ic->f = instr(braf_rn); |
3052 |
ic->arg[0] = (int32_t) (addr & |
3053 |
((SH_IC_ENTRIES_PER_PAGE-1) |
3054 |
<< SH_INSTR_ALIGNMENT_SHIFT) & ~1) + 4; |
3055 |
/* arg[1] is Rn */ |
3056 |
break; |
3057 |
case 0x29: /* MOVT Rn */ |
3058 |
ic->f = instr(movt_rn); |
3059 |
break; |
3060 |
case 0x2a: /* STS PR,Rn */ |
3061 |
ic->f = instr(mov_rm_rn); |
3062 |
ic->arg[0] = (size_t)&cpu->cd.sh.pr; |
3063 |
break; |
3064 |
case 0x32: /* STC SSR,Rn */ |
3065 |
ic->f = instr(copy_privileged_register); |
3066 |
ic->arg[0] = (size_t)&cpu->cd.sh.ssr; |
3067 |
break; |
3068 |
case 0x42: /* STC SPC,Rn */ |
3069 |
ic->f = instr(copy_privileged_register); |
3070 |
ic->arg[0] = (size_t)&cpu->cd.sh.spc; |
3071 |
break; |
3072 |
case 0x5a: /* STS FPUL,Rn */ |
3073 |
ic->f = instr(copy_fp_register); |
3074 |
ic->arg[0] = (size_t)&cpu->cd.sh.fpul; |
3075 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r8]; |
3076 |
break; |
3077 |
case 0x6a: /* STS FPSCR,Rn */ |
3078 |
ic->f = instr(copy_fp_register); |
3079 |
ic->arg[0] = (size_t)&cpu->cd.sh.fpscr; |
3080 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r8]; |
3081 |
break; |
3082 |
case 0x83: /* PREF @Rn */ |
3083 |
ic->f = instr(pref_rn); |
3084 |
break; |
3085 |
case 0x93: /* OCBI @Rn */ |
3086 |
/* Treat as nop for now: */ |
3087 |
/* TODO: Implement this. */ |
3088 |
ic->f = instr(nop); |
3089 |
break; |
3090 |
case 0xa3: /* OCBP @Rn */ |
3091 |
/* Treat as nop for now: */ |
3092 |
/* TODO: Implement this. */ |
3093 |
ic->f = instr(nop); |
3094 |
break; |
3095 |
case 0xb3: /* OCBWB @Rn */ |
3096 |
/* Treat as nop for now: */ |
3097 |
/* TODO: Implement this. */ |
3098 |
ic->f = instr(nop); |
3099 |
break; |
3100 |
case 0xc3: /* MOVCA.L R0,@Rn */ |
3101 |
/* Treat as nop for now: */ |
3102 |
/* TODO: Implement this. */ |
3103 |
ic->f = instr(nop); |
3104 |
break; |
3105 |
case 0xfa: /* STC DBR,Rn */ |
3106 |
ic->f = instr(copy_privileged_register); |
3107 |
ic->arg[0] = (size_t)&cpu->cd.sh.dbr; |
3108 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r8]; |
3109 |
break; |
3110 |
default:if (!cpu->translation_readahead) |
3111 |
fatal("Unimplemented opcode 0x%x," |
3112 |
"0x%03x\n", main_opcode, |
3113 |
iword & 0xfff); |
3114 |
goto bad; |
3115 |
} |
3116 |
} |
3117 |
break; |
3118 |
|
3119 |
case 0x1: |
3120 |
ic->f = instr(mov_l_rm_disp_rn); |
3121 |
ic->arg[1] = r8 + (lo4 << 4); |
3122 |
break; |
3123 |
|
3124 |
case 0x2: |
3125 |
switch (lo4) { |
3126 |
case 0x0: /* MOV.B Rm,@Rn */ |
3127 |
ic->f = instr(mov_b_store_rm_rn); |
3128 |
break; |
3129 |
case 0x1: /* MOV.W Rm,@Rn */ |
3130 |
ic->f = instr(mov_w_store_rm_rn); |
3131 |
break; |
3132 |
case 0x2: /* MOV.L Rm,@Rn */ |
3133 |
ic->f = instr(mov_l_store_rm_rn); |
3134 |
break; |
3135 |
case 0x4: /* MOV.B Rm,@-Rn */ |
3136 |
ic->f = instr(mov_b_rm_predec_rn); |
3137 |
break; |
3138 |
case 0x5: /* MOV.W Rm,@-Rn */ |
3139 |
ic->f = instr(mov_w_rm_predec_rn); |
3140 |
break; |
3141 |
case 0x6: /* MOV.L Rm,@-Rn */ |
3142 |
ic->f = instr(mov_l_rm_predec_rn); |
3143 |
break; |
3144 |
case 0x7: /* DIV0S Rm,Rn */ |
3145 |
ic->f = instr(div0s_rm_rn); |
3146 |
break; |
3147 |
case 0x8: /* TST Rm,Rn */ |
3148 |
ic->f = instr(tst_rm_rn); |
3149 |
if (r8 == r4) |
3150 |
ic->f = instr(tst_rm); |
3151 |
break; |
3152 |
case 0x9: /* AND Rm,Rn */ |
3153 |
ic->f = instr(and_rm_rn); |
3154 |
break; |
3155 |
case 0xa: /* XOR Rm,Rn */ |
3156 |
ic->f = instr(xor_rm_rn); |
3157 |
break; |
3158 |
case 0xb: /* OR Rm,Rn */ |
3159 |
ic->f = instr(or_rm_rn); |
3160 |
break; |
3161 |
case 0xc: /* CMP/STR Rm,Rn */ |
3162 |
ic->f = instr(cmp_str_rm_rn); |
3163 |
break; |
3164 |
case 0xd: /* XTRCT Rm,Rn */ |
3165 |
ic->f = instr(xtrct_rm_rn); |
3166 |
break; |
3167 |
case 0xe: /* MULU.W Rm,Rn */ |
3168 |
ic->f = instr(mulu_w_rm_rn); |
3169 |
break; |
3170 |
case 0xf: /* MULS.W Rm,Rn */ |
3171 |
ic->f = instr(muls_w_rm_rn); |
3172 |
break; |
3173 |
default:if (!cpu->translation_readahead) |
3174 |
fatal("Unimplemented opcode 0x%x,0x%x\n", |
3175 |
main_opcode, lo4); |
3176 |
goto bad; |
3177 |
} |
3178 |
break; |
3179 |
|
3180 |
case 0x3: |
3181 |
switch (lo4) { |
3182 |
case 0x0: /* CMP/EQ Rm,Rn */ |
3183 |
ic->f = instr(cmpeq_rm_rn); |
3184 |
break; |
3185 |
case 0x2: /* CMP/HS Rm,Rn */ |
3186 |
ic->f = instr(cmphs_rm_rn); |
3187 |
break; |
3188 |
case 0x3: /* CMP/GE Rm,Rn */ |
3189 |
ic->f = instr(cmpge_rm_rn); |
3190 |
break; |
3191 |
case 0x4: /* DIV1 Rm,Rn */ |
3192 |
ic->f = instr(div1_rm_rn); |
3193 |
break; |
3194 |
case 0x5: /* DMULU.L Rm,Rn */ |
3195 |
ic->f = instr(dmulu_l_rm_rn); |
3196 |
break; |
3197 |
case 0x6: /* CMP/HI Rm,Rn */ |
3198 |
ic->f = instr(cmphi_rm_rn); |
3199 |
break; |
3200 |
case 0x7: /* CMP/GT Rm,Rn */ |
3201 |
ic->f = instr(cmpgt_rm_rn); |
3202 |
break; |
3203 |
case 0x8: /* SUB Rm,Rn */ |
3204 |
ic->f = instr(sub_rm_rn); |
3205 |
break; |
3206 |
case 0xa: /* SUBC Rm,Rn */ |
3207 |
ic->f = instr(subc_rm_rn); |
3208 |
break; |
3209 |
case 0xc: /* ADD Rm,Rn */ |
3210 |
ic->f = instr(add_rm_rn); |
3211 |
break; |
3212 |
case 0xd: /* DMULS.L Rm,Rn */ |
3213 |
ic->f = instr(dmuls_l_rm_rn); |
3214 |
break; |
3215 |
case 0xe: /* ADDC Rm,Rn */ |
3216 |
ic->f = instr(addc_rm_rn); |
3217 |
break; |
3218 |
default:if (!cpu->translation_readahead) |
3219 |
fatal("Unimplemented opcode 0x%x,0x%x\n", |
3220 |
main_opcode, lo4); |
3221 |
goto bad; |
3222 |
} |
3223 |
break; |
3224 |
|
3225 |
case 0x4: |
3226 |
if (lo4 == 0xc) { |
3227 |
ic->f = instr(shad); |
3228 |
} else if (lo4 == 0xd) { |
3229 |
ic->f = instr(shld); |
3230 |
} else if ((lo8 & 0x8f) == 0x83) { |
3231 |
/* STC.L Rm_BANK,@-Rn */ |
3232 |
ic->f = instr(stc_l_rm_predec_rn_md); |
3233 |
ic->arg[0] = (size_t)&cpu->cd.sh.r_bank[ |
3234 |
(lo8 >> 4) & 7]; /* m */ |
3235 |
} else if ((lo8 & 0x8f) == 0x87) { |
3236 |
/* LDC.L @Rm+,Rn_BANK */ |
3237 |
ic->f = instr(mov_l_arg1_postinc_to_arg0_md); |
3238 |
ic->arg[0] = (size_t)&cpu->cd.sh.r_bank[(lo8 >> 4) & 7]; |
3239 |
} else if ((lo8 & 0x8f) == 0x8e) { |
3240 |
/* LDC Rm, Rn_BANK */ |
3241 |
ic->f = instr(copy_privileged_register); |
3242 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; |
3243 |
ic->arg[1] = (size_t)&cpu->cd.sh.r_bank[(lo8 >> 4) & 7]; |
3244 |
} else { |
3245 |
switch (lo8) { |
3246 |
case 0x00: /* SHLL Rn */ |
3247 |
ic->f = instr(shll_rn); |
3248 |
break; |
3249 |
case 0x01: /* SHLR Rn */ |
3250 |
ic->f = instr(shlr_rn); |
3251 |
break; |
3252 |
case 0x02: /* STS.L MACH,@-Rn */ |
3253 |
ic->f = instr(mov_l_rm_predec_rn); |
3254 |
ic->arg[0] = (size_t)&cpu->cd.sh.mach; |
3255 |
break; |
3256 |
case 0x03: /* STC.L SR,@-Rn */ |
3257 |
ic->f = instr(stc_l_rm_predec_rn_md); |
3258 |
ic->arg[0] = (size_t)&cpu->cd.sh.sr; |
3259 |
break; |
3260 |
case 0x04: /* ROTL Rn */ |
3261 |
ic->f = instr(rotl_rn); |
3262 |
break; |
3263 |
case 0x05: /* ROTR Rn */ |
3264 |
ic->f = instr(rotr_rn); |
3265 |
break; |
3266 |
case 0x06: /* LDS.L @Rm+,MACH */ |
3267 |
ic->f = instr(mov_l_arg1_postinc_to_arg0); |
3268 |
ic->arg[0] = (size_t)&cpu->cd.sh.mach; |
3269 |
break; |
3270 |
case 0x07: /* LDC.L @Rm+,SR */ |
3271 |
ic->f = instr(mov_l_arg1_postinc_to_arg0_md); |
3272 |
ic->arg[0] = (size_t)&cpu->cd.sh.sr; |
3273 |
break; |
3274 |
case 0x08: /* SHLL2 Rn */ |
3275 |
ic->f = instr(shll2_rn); |
3276 |
break; |
3277 |
case 0x09: /* SHLR2 Rn */ |
3278 |
ic->f = instr(shlr2_rn); |
3279 |
break; |
3280 |
case 0x0b: /* JSR @Rn */ |
3281 |
if (cpu->machine->show_trace_tree) |
3282 |
ic->f = instr(jsr_rn_trace); |
3283 |
else |
3284 |
ic->f = instr(jsr_rn); |
3285 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; /* n */ |
3286 |
ic->arg[1] = (addr & 0xffe) + 4; |
3287 |
break; |
3288 |
case 0x0e: /* LDC Rm,SR */ |
3289 |
ic->f = instr(ldc_rm_sr); |
3290 |
break; |
3291 |
case 0x10: /* DT Rn */ |
3292 |
ic->f = instr(dt_rn); |
3293 |
break; |
3294 |
case 0x11: /* CMP/PZ Rn */ |
3295 |
ic->f = instr(cmppz_rn); |
3296 |
break; |
3297 |
case 0x12: /* STS.L MACL,@-Rn */ |
3298 |
ic->f = instr(mov_l_rm_predec_rn); |
3299 |
ic->arg[0] = (size_t)&cpu->cd.sh.macl; |
3300 |
break; |
3301 |
case 0x13: /* STC.L GBR,@-Rn */ |
3302 |
ic->f = instr(mov_l_rm_predec_rn); |
3303 |
ic->arg[0] = (size_t)&cpu->cd.sh.gbr; |
3304 |
break; |
3305 |
case 0x15: /* CMP/PL Rn */ |
3306 |
ic->f = instr(cmppl_rn); |
3307 |
break; |
3308 |
case 0x16: /* LDS.L @Rm+,MACL */ |
3309 |
ic->f = instr(mov_l_arg1_postinc_to_arg0); |
3310 |
ic->arg[0] = (size_t)&cpu->cd.sh.macl; |
3311 |
break; |
3312 |
case 0x17: /* LDC.L @Rm+,GBR */ |
3313 |
ic->f = instr(mov_l_arg1_postinc_to_arg0); |
3314 |
ic->arg[0] = (size_t)&cpu->cd.sh.gbr; |
3315 |
break; |
3316 |
case 0x18: /* SHLL8 Rn */ |
3317 |
ic->f = instr(shll8_rn); |
3318 |
break; |
3319 |
case 0x19: /* SHLR8 Rn */ |
3320 |
ic->f = instr(shlr8_rn); |
3321 |
break; |
3322 |
case 0x1b: /* TAS.B @Rn */ |
3323 |
ic->f = instr(tas_b_rn); |
3324 |
break; |
3325 |
case 0x1e: /* LDC Rm,GBR */ |
3326 |
ic->f = instr(mov_rm_rn); |
3327 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; /* m */ |
3328 |
ic->arg[1] = (size_t)&cpu->cd.sh.gbr; |
3329 |
break; |
3330 |
case 0x20: /* SHAL Rn */ |
3331 |
ic->f = instr(shll_rn); /* NOTE: shll */ |
3332 |
break; |
3333 |
case 0x21: /* SHAR Rn */ |
3334 |
ic->f = instr(shar_rn); |
3335 |
break; |
3336 |
case 0x22: /* STS.L PR,@-Rn */ |
3337 |
ic->f = instr(mov_l_rm_predec_rn); |
3338 |
ic->arg[0] = (size_t)&cpu->cd.sh.pr; /* m */ |
3339 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r8]; /* n */ |
3340 |
break; |
3341 |
case 0x23: /* STC.L VBR,@-Rn */ |
3342 |
ic->f = instr(stc_l_rm_predec_rn_md); |
3343 |
ic->arg[0] = (size_t)&cpu->cd.sh.vbr; |
3344 |
break; |
3345 |
case 0x24: /* ROTCL Rn */ |
3346 |
ic->f = instr(rotcl_rn); |
3347 |
break; |
3348 |
case 0x25: /* ROTCR Rn */ |
3349 |
ic->f = instr(rotcr_rn); |
3350 |
break; |
3351 |
case 0x26: /* LDS.L @Rm+,PR */ |
3352 |
ic->f = instr(mov_l_arg1_postinc_to_arg0); |
3353 |
ic->arg[0] = (size_t)&cpu->cd.sh.pr; |
3354 |
break; |
3355 |
case 0x27: /* LDC.L @Rm+,VBR */ |
3356 |
ic->f = instr(mov_l_arg1_postinc_to_arg0_md); |
3357 |
ic->arg[0] = (size_t)&cpu->cd.sh.vbr; |
3358 |
break; |
3359 |
case 0x28: /* SHLL16 Rn */ |
3360 |
ic->f = instr(shll16_rn); |
3361 |
break; |
3362 |
case 0x29: /* SHLR16 Rn */ |
3363 |
ic->f = instr(shlr16_rn); |
3364 |
break; |
3365 |
case 0x2a: /* LDS Rm,PR */ |
3366 |
ic->f = instr(mov_rm_rn); |
3367 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; /* m */ |
3368 |
ic->arg[1] = (size_t)&cpu->cd.sh.pr; |
3369 |
break; |
3370 |
case 0x2b: /* JMP @Rn */ |
3371 |
if (cpu->machine->show_trace_tree) |
3372 |
ic->f = instr(jmp_rn_trace); |
3373 |
else |
3374 |
ic->f = instr(jmp_rn); |
3375 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; /* n */ |
3376 |
ic->arg[1] = (addr & 0xffe) + 4; |
3377 |
break; |
3378 |
case 0x2e: /* LDC Rm,VBR */ |
3379 |
ic->f = instr(copy_privileged_register); |
3380 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; /* m */ |
3381 |
ic->arg[1] = (size_t)&cpu->cd.sh.vbr; |
3382 |
break; |
3383 |
case 0x33: /* STC.L SSR,@-Rn */ |
3384 |
ic->f = instr(stc_l_rm_predec_rn_md); |
3385 |
ic->arg[0] = (size_t)&cpu->cd.sh.ssr; |
3386 |
break; |
3387 |
case 0x37: /* LDC.L @Rm+,SSR */ |
3388 |
ic->f = instr(mov_l_arg1_postinc_to_arg0_md); |
3389 |
ic->arg[0] = (size_t)&cpu->cd.sh.ssr; |
3390 |
break; |
3391 |
case 0x3e: /* LDC rm,SSR */ |
3392 |
ic->f = instr(copy_privileged_register); |
3393 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; /* m */ |
3394 |
ic->arg[1] = (size_t)&cpu->cd.sh.ssr; |
3395 |
break; |
3396 |
case 0x43: /* STC.L SPC,@-Rn */ |
3397 |
ic->f = instr(stc_l_rm_predec_rn_md); |
3398 |
ic->arg[0] = (size_t)&cpu->cd.sh.spc; |
3399 |
break; |
3400 |
case 0x47: /* LDC.L @Rm+,SPC */ |
3401 |
ic->f = instr(mov_l_arg1_postinc_to_arg0_md); |
3402 |
ic->arg[0] = (size_t)&cpu->cd.sh.spc; |
3403 |
break; |
3404 |
case 0x4e: /* LDC rm,SPC */ |
3405 |
ic->f = instr(copy_privileged_register); |
3406 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; /* m */ |
3407 |
ic->arg[1] = (size_t)&cpu->cd.sh.spc; |
3408 |
break; |
3409 |
case 0x52: /* STS.L FPUL,@-Rn */ |
3410 |
ic->f = instr(mov_l_rm_predec_rn); |
3411 |
ic->arg[0] = (size_t)&cpu->cd.sh.fpul; |
3412 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r8]; /* n */ |
3413 |
break; |
3414 |
case 0x56: /* LDS.L @Rm+,FPUL */ |
3415 |
ic->f = instr(mov_l_arg1_postinc_to_arg0_fp); |
3416 |
ic->arg[0] = (size_t)&cpu->cd.sh.fpul; |
3417 |
break; |
3418 |
case 0x5a: /* LDS Rm,FPUL */ |
3419 |
ic->f = instr(copy_fp_register); |
3420 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; /* m */ |
3421 |
ic->arg[1] = (size_t)&cpu->cd.sh.fpul; |
3422 |
break; |
3423 |
case 0x62: /* STS.L FPSCR,@-Rn */ |
3424 |
ic->f = instr(mov_l_rm_predec_rn); |
3425 |
ic->arg[0] = (size_t)&cpu->cd.sh.fpscr; |
3426 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r8]; /* n */ |
3427 |
break; |
3428 |
case 0x66: /* LDS.L @Rm+,FPSCR */ |
3429 |
/* Note: Loading into FPSCR is a specia |
3430 |
case (need to call sh_update_fpsrc()). */ |
3431 |
ic->f = instr(mov_l_arg1_postinc_to_arg0_fp); |
3432 |
ic->arg[0] = (size_t)&cpu->cd.sh.fpscr; |
3433 |
break; |
3434 |
case 0x6a: /* LDS Rm,FPSCR */ |
3435 |
ic->f = instr(lds_rm_fpscr); |
3436 |
/* arg 1 = R8 = Rm */ |
3437 |
break; |
3438 |
case 0xfa: /* LDC Rm,DBR */ |
3439 |
ic->f = instr(copy_privileged_register); |
3440 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; |
3441 |
ic->arg[1] = (size_t)&cpu->cd.sh.dbr; |
3442 |
break; |
3443 |
default:if (!cpu->translation_readahead) |
3444 |
fatal("Unimplemented opcode 0x%x," |
3445 |
"0x%02x\n", main_opcode, lo8); |
3446 |
goto bad; |
3447 |
} |
3448 |
} |
3449 |
break; |
3450 |
|
3451 |
case 0x5: |
3452 |
ic->f = instr(mov_l_disp_rm_rn); |
3453 |
ic->arg[0] = r4 + (lo4 << 4); |
3454 |
break; |
3455 |
|
3456 |
case 0x6: |
3457 |
switch (lo4) { |
3458 |
case 0x0: /* MOV.B @Rm,Rn */ |
3459 |
ic->f = instr(load_b_rm_rn); |
3460 |
break; |
3461 |
case 0x1: /* MOV.W @Rm,Rn */ |
3462 |
ic->f = instr(load_w_rm_rn); |
3463 |
break; |
3464 |
case 0x2: /* MOV.L @Rm,Rn */ |
3465 |
ic->f = instr(load_l_rm_rn); |
3466 |
break; |
3467 |
case 0x3: /* MOV Rm,Rn */ |
3468 |
ic->f = instr(mov_rm_rn); |
3469 |
break; |
3470 |
case 0x4: /* MOV.B @Rm+,Rn */ |
3471 |
ic->f = instr(mov_b_arg1_postinc_to_arg0); |
3472 |
/* Note: Order */ |
3473 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r4]; /* m */ |
3474 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; /* n */ |
3475 |
break; |
3476 |
case 0x5: /* MOV.W @Rm+,Rn */ |
3477 |
ic->f = instr(mov_w_arg1_postinc_to_arg0); |
3478 |
/* Note: Order */ |
3479 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r4]; /* m */ |
3480 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; /* n */ |
3481 |
break; |
3482 |
case 0x6: /* MOV.L @Rm+,Rn */ |
3483 |
ic->f = instr(mov_l_arg1_postinc_to_arg0); |
3484 |
/* Note: Order */ |
3485 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r4]; /* m */ |
3486 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r8]; /* n */ |
3487 |
break; |
3488 |
case 0x7: /* NOT Rm,Rn */ |
3489 |
ic->f = instr(not_rm_rn); |
3490 |
break; |
3491 |
case 0x8: /* SWAP.B Rm,Rn */ |
3492 |
ic->f = instr(swap_b_rm_rn); |
3493 |
break; |
3494 |
case 0x9: /* SWAP.W Rm,Rn */ |
3495 |
ic->f = instr(swap_w_rm_rn); |
3496 |
break; |
3497 |
case 0xa: /* NEGC Rm,Rn */ |
3498 |
ic->f = instr(negc_rm_rn); |
3499 |
break; |
3500 |
case 0xb: /* NEG Rm,Rn */ |
3501 |
ic->f = instr(neg_rm_rn); |
3502 |
break; |
3503 |
case 0xc: /* EXTU.B Rm,Rn */ |
3504 |
ic->f = instr(extu_b_rm_rn); |
3505 |
if (r8 == r4) |
3506 |
ic->f = instr(extu_b_rm); |
3507 |
break; |
3508 |
case 0xd: /* EXTU.W Rm,Rn */ |
3509 |
ic->f = instr(extu_w_rm_rn); |
3510 |
if (r8 == r4) |
3511 |
ic->f = instr(extu_w_rm); |
3512 |
break; |
3513 |
case 0xe: /* EXTS.B Rm,Rn */ |
3514 |
ic->f = instr(exts_b_rm_rn); |
3515 |
break; |
3516 |
case 0xf: /* EXTS.W Rm,Rn */ |
3517 |
ic->f = instr(exts_w_rm_rn); |
3518 |
break; |
3519 |
default:if (!cpu->translation_readahead) |
3520 |
fatal("Unimplemented opcode 0x%x,0x%x\n", |
3521 |
main_opcode, lo4); |
3522 |
goto bad; |
3523 |
} |
3524 |
break; |
3525 |
|
3526 |
case 0x7: /* ADD #imm,Rn */ |
3527 |
ic->f = instr(add_imm_rn); |
3528 |
ic->arg[0] = (int8_t)lo8; |
3529 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r8]; /* n */ |
3530 |
if (lo8 == 1) |
3531 |
ic->f = instr(inc_rn); |
3532 |
if (lo8 == 4) |
3533 |
ic->f = instr(add_4_rn); |
3534 |
if (lo8 == 0xfc) |
3535 |
ic->f = instr(sub_4_rn); |
3536 |
if (lo8 == 0xff) |
3537 |
ic->f = instr(dec_rn); |
3538 |
break; |
3539 |
|
3540 |
case 0x8: |
3541 |
/* Displacement from beginning of page = default arg 0. */ |
3542 |
ic->arg[0] = (int8_t)lo8 * 2 + |
3543 |
(addr & ((SH_IC_ENTRIES_PER_PAGE-1) |
3544 |
<< SH_INSTR_ALIGNMENT_SHIFT) & ~1) + 4; |
3545 |
samepage_function = NULL; |
3546 |
|
3547 |
switch (r8) { |
3548 |
case 0x0: /* MOV.B R0,@(disp,Rn) */ |
3549 |
ic->f = instr(mov_b_r0_disp_rn); |
3550 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r4]; /* n */ |
3551 |
ic->arg[1] = lo4; |
3552 |
break; |
3553 |
case 0x1: /* MOV.W R0,@(disp,Rn) */ |
3554 |
ic->f = instr(mov_w_r0_disp_rn); |
3555 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r4]; /* n */ |
3556 |
ic->arg[1] = lo4 * 2; |
3557 |
break; |
3558 |
case 0x4: /* MOV.B @(disp,Rn),R0 */ |
3559 |
ic->f = instr(mov_b_disp_rn_r0); |
3560 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r4]; /* n */ |
3561 |
ic->arg[1] = lo4; |
3562 |
break; |
3563 |
case 0x5: /* MOV.W @(disp,Rn),R0 */ |
3564 |
ic->f = instr(mov_w_disp_rn_r0); |
3565 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r4]; /* n */ |
3566 |
ic->arg[1] = lo4 * 2; |
3567 |
break; |
3568 |
case 0x8: /* CMP/EQ #imm,R0 */ |
3569 |
ic->f = instr(cmpeq_imm_r0); |
3570 |
ic->arg[0] = (int8_t)lo8; |
3571 |
break; |
3572 |
case 0x9: /* BT (disp,PC) */ |
3573 |
ic->f = instr(bt); |
3574 |
samepage_function = instr(bt_samepage); |
3575 |
break; |
3576 |
case 0xb: /* BF (disp,PC) */ |
3577 |
ic->f = instr(bf); |
3578 |
samepage_function = instr(bf_samepage); |
3579 |
break; |
3580 |
case 0xd: /* BT/S (disp,PC) */ |
3581 |
ic->f = instr(bt_s); |
3582 |
samepage_function = instr(bt_s_samepage); |
3583 |
break; |
3584 |
case 0xf: /* BF/S (disp,PC) */ |
3585 |
ic->f = instr(bf_s); |
3586 |
samepage_function = instr(bf_s_samepage); |
3587 |
break; |
3588 |
default:if (!cpu->translation_readahead) |
3589 |
fatal("Unimplemented opcode 0x%x,0x%x\n", |
3590 |
main_opcode, r8); |
3591 |
goto bad; |
3592 |
} |
3593 |
|
3594 |
/* samepage branches: */ |
3595 |
if (samepage_function != NULL && ic->arg[0] < 0x1000 && |
3596 |
(addr & 0xfff) < 0xffe) { |
3597 |
ic->arg[1] = (size_t) (cpu->cd.sh.cur_ic_page + |
3598 |
(ic->arg[0] >> SH_INSTR_ALIGNMENT_SHIFT)); |
3599 |
ic->f = samepage_function; |
3600 |
} |
3601 |
|
3602 |
break; |
3603 |
|
3604 |
case 0x9: /* MOV.W @(disp,PC),Rn */ |
3605 |
ic->f = instr(mov_w_disp_pc_rn); |
3606 |
ic->arg[0] = lo8 * 2 + (addr & ((SH_IC_ENTRIES_PER_PAGE-1) |
3607 |
<< SH_INSTR_ALIGNMENT_SHIFT) & ~1) + 4; |
3608 |
|
3609 |
/* If the word is reachable from the same page as the |
3610 |
current address, then optimize it as a mov_imm_rn: */ |
3611 |
if (ic->arg[0] < 0x1000 && page != NULL) { |
3612 |
uint16_t *p = (uint16_t *) page; |
3613 |
uint16_t data = p[ic->arg[0] >> 1]; |
3614 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
3615 |
data = LE16_TO_HOST(data); |
3616 |
else |
3617 |
data = BE16_TO_HOST(data); |
3618 |
ic->f = instr(mov_imm_rn); |
3619 |
ic->arg[0] = (int16_t) data; |
3620 |
} |
3621 |
break; |
3622 |
|
3623 |
case 0xa: /* BRA disp */ |
3624 |
case 0xb: /* BSR disp */ |
3625 |
samepage_function = NULL; |
3626 |
|
3627 |
switch (main_opcode) { |
3628 |
case 0xa: |
3629 |
ic->f = instr(bra); |
3630 |
samepage_function = instr(bra_samepage); |
3631 |
break; |
3632 |
case 0xb: |
3633 |
ic->f = instr(bsr); |
3634 |
samepage_function = instr(bsr_samepage); |
3635 |
break; |
3636 |
} |
3637 |
|
3638 |
ic->arg[0] = (int32_t) ( (addr & ((SH_IC_ENTRIES_PER_PAGE-1) |
3639 |
<< SH_INSTR_ALIGNMENT_SHIFT) & ~1) + 4 + |
3640 |
(((int32_t)(int16_t)((iword & 0xfff) << 4)) >> 3) ); |
3641 |
|
3642 |
/* samepage branches: */ |
3643 |
if (samepage_function != NULL && ic->arg[0] < 0x1000 && |
3644 |
(addr & 0xfff) < 0xffe) { |
3645 |
ic->arg[0] = (size_t) (cpu->cd.sh.cur_ic_page + |
3646 |
(ic->arg[0] >> SH_INSTR_ALIGNMENT_SHIFT)); |
3647 |
ic->f = samepage_function; |
3648 |
} |
3649 |
break; |
3650 |
|
3651 |
case 0xc: |
3652 |
switch (r8) { |
3653 |
case 0x0: |
3654 |
ic->f = instr(mov_b_r0_disp_gbr); |
3655 |
ic->arg[1] = lo8; |
3656 |
break; |
3657 |
case 0x1: |
3658 |
ic->f = instr(mov_w_r0_disp_gbr); |
3659 |
ic->arg[1] = lo8 << 1; |
3660 |
break; |
3661 |
case 0x2: |
3662 |
ic->f = instr(mov_l_r0_disp_gbr); |
3663 |
ic->arg[1] = lo8 << 2; |
3664 |
break; |
3665 |
case 0x3: |
3666 |
ic->f = instr(trapa); |
3667 |
ic->arg[0] = lo8 << 2; |
3668 |
break; |
3669 |
case 0x4: |
3670 |
ic->f = instr(mov_b_disp_gbr_r0); |
3671 |
ic->arg[1] = lo8; |
3672 |
break; |
3673 |
case 0x5: |
3674 |
ic->f = instr(mov_w_disp_gbr_r0); |
3675 |
ic->arg[1] = lo8 << 1; |
3676 |
break; |
3677 |
case 0x6: |
3678 |
ic->f = instr(mov_l_disp_gbr_r0); |
3679 |
ic->arg[1] = lo8 << 2; |
3680 |
break; |
3681 |
case 0x7: /* MOVA @(disp,pc),R0 */ |
3682 |
ic->f = instr(mova_r0); |
3683 |
ic->arg[0] = lo8 * 4 + (addr & |
3684 |
((SH_IC_ENTRIES_PER_PAGE-1) |
3685 |
<< SH_INSTR_ALIGNMENT_SHIFT) & ~3) + 4; |
3686 |
break; |
3687 |
case 0x8: /* TST #imm,R0 */ |
3688 |
ic->f = instr(tst_imm_r0); |
3689 |
ic->arg[0] = lo8; |
3690 |
break; |
3691 |
case 0x9: /* AND #imm,R0 */ |
3692 |
ic->f = instr(and_imm_r0); |
3693 |
ic->arg[0] = lo8; |
3694 |
break; |
3695 |
case 0xa: /* XOR #imm,R0 */ |
3696 |
ic->f = instr(xor_imm_r0); |
3697 |
ic->arg[0] = lo8; |
3698 |
break; |
3699 |
case 0xb: /* OR #imm,R0 */ |
3700 |
ic->f = instr(or_imm_r0); |
3701 |
ic->arg[0] = lo8; |
3702 |
break; |
3703 |
case 0xd: /* AND.B #imm,@(R0,GBR) */ |
3704 |
ic->f = instr(and_b_imm_r0_gbr); |
3705 |
ic->arg[0] = lo8; |
3706 |
break; |
3707 |
case 0xe: /* XOR.B #imm,@(R0,GBR) */ |
3708 |
ic->f = instr(xor_b_imm_r0_gbr); |
3709 |
ic->arg[0] = lo8; |
3710 |
break; |
3711 |
case 0xf: /* OR.B #imm,@(R0,GBR) */ |
3712 |
ic->f = instr(or_b_imm_r0_gbr); |
3713 |
ic->arg[0] = lo8; |
3714 |
break; |
3715 |
default:if (!cpu->translation_readahead) |
3716 |
fatal("Unimplemented opcode 0x%x,0x%x\n", |
3717 |
main_opcode, r8); |
3718 |
goto bad; |
3719 |
} |
3720 |
break; |
3721 |
|
3722 |
case 0xd: /* MOV.L @(disp,PC),Rn */ |
3723 |
ic->f = instr(mov_l_disp_pc_rn); |
3724 |
ic->arg[0] = lo8 * 4 + (addr & ((SH_IC_ENTRIES_PER_PAGE-1) |
3725 |
<< SH_INSTR_ALIGNMENT_SHIFT) & ~3) + 4; |
3726 |
|
3727 |
/* If the word is reachable from the same page as the |
3728 |
current address, then optimize it as a mov_imm_rn: */ |
3729 |
if (ic->arg[0] < 0x1000 && page != NULL) { |
3730 |
uint32_t *p = (uint32_t *) page; |
3731 |
uint32_t data = p[ic->arg[0] >> 2]; |
3732 |
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) |
3733 |
data = LE32_TO_HOST(data); |
3734 |
else |
3735 |
data = BE32_TO_HOST(data); |
3736 |
ic->f = instr(mov_imm_rn); |
3737 |
ic->arg[0] = data; |
3738 |
} |
3739 |
break; |
3740 |
|
3741 |
case 0xe: /* MOV #imm,Rn */ |
3742 |
ic->f = instr(mov_imm_rn); |
3743 |
ic->arg[0] = (int8_t)lo8; |
3744 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r8]; /* n */ |
3745 |
if (lo8 == 0) |
3746 |
ic->f = instr(mov_0_rn); |
3747 |
break; |
3748 |
|
3749 |
case 0xf: |
3750 |
if (lo4 == 0x0) { |
3751 |
/* FADD FRm,FRn */ |
3752 |
ic->f = instr(fadd_frm_frn); |
3753 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r4]; |
3754 |
ic->arg[1] = (size_t)&cpu->cd.sh.fr[r8]; |
3755 |
} else if (lo4 == 0x1) { |
3756 |
/* FSUB FRm,FRn */ |
3757 |
ic->f = instr(fsub_frm_frn); |
3758 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r4]; |
3759 |
ic->arg[1] = (size_t)&cpu->cd.sh.fr[r8]; |
3760 |
} else if (lo4 == 0x2) { |
3761 |
/* FMUL FRm,FRn */ |
3762 |
ic->f = instr(fmul_frm_frn); |
3763 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r4]; |
3764 |
ic->arg[1] = (size_t)&cpu->cd.sh.fr[r8]; |
3765 |
} else if (lo4 == 0x3) { |
3766 |
/* FDIV FRm,FRn */ |
3767 |
ic->f = instr(fdiv_frm_frn); |
3768 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r4]; |
3769 |
ic->arg[1] = (size_t)&cpu->cd.sh.fr[r8]; |
3770 |
} else if (lo4 == 0x4) { |
3771 |
/* FCMP/EQ FRm,FRn */ |
3772 |
ic->f = instr(fcmp_eq_frm_frn); |
3773 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r4]; |
3774 |
ic->arg[1] = (size_t)&cpu->cd.sh.fr[r8]; |
3775 |
} else if (lo4 == 0x5) { |
3776 |
/* FCMP/GT FRm,FRn */ |
3777 |
ic->f = instr(fcmp_gt_frm_frn); |
3778 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r4]; |
3779 |
ic->arg[1] = (size_t)&cpu->cd.sh.fr[r8]; |
3780 |
} else if (lo4 == 0x6) { |
3781 |
/* FMOV @(R0,Rm),FRn */ |
3782 |
ic->f = instr(fmov_r0_rm_frn); |
3783 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r4]; /* m */ |
3784 |
ic->arg[1] = (size_t)&cpu->cd.sh.fr[r8]; |
3785 |
} else if (lo4 == 0x7) { |
3786 |
/* FMOV FRm,@(R0,Rn) */ |
3787 |
ic->f = instr(fmov_frm_r0_rn); |
3788 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r4]; /* m */ |
3789 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r8]; |
3790 |
} else if (lo4 == 0x8) { |
3791 |
/* FMOV @Rm,FRn */ |
3792 |
ic->f = instr(fmov_rm_frn); |
3793 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r4]; /* m */ |
3794 |
ic->arg[1] = (size_t)&cpu->cd.sh.fr[r8]; |
3795 |
} else if (lo4 == 0x9) { |
3796 |
/* FMOV @Rm+,FRn */ |
3797 |
ic->f = instr(fmov_rm_postinc_frn); |
3798 |
ic->arg[0] = (size_t)&cpu->cd.sh.r[r4]; /* m */ |
3799 |
ic->arg[1] = (size_t)&cpu->cd.sh.fr[r8]; |
3800 |
} else if (lo4 == 0xa) { |
3801 |
/* FMOV FRm,@Rn */ |
3802 |
ic->f = instr(fmov_frm_rn); |
3803 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r4]; /* m */ |
3804 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r8]; |
3805 |
} else if (lo4 == 0xb) { |
3806 |
/* FMOV FRm,@-Rn */ |
3807 |
ic->f = instr(fmov_frm_predec_rn); |
3808 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r4]; /* m */ |
3809 |
ic->arg[1] = (size_t)&cpu->cd.sh.r[r8]; |
3810 |
} else if (lo4 == 0xc) { |
3811 |
/* FMOV FRm,FRn */ |
3812 |
ic->f = instr(fmov_frm_frn); |
3813 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r4]; |
3814 |
ic->arg[1] = (size_t)&cpu->cd.sh.fr[r8]; |
3815 |
} else if (lo8 == 0x0d) { |
3816 |
/* FSTS FPUL,FRn */ |
3817 |
ic->f = instr(copy_fp_register); |
3818 |
ic->arg[0] = (size_t)&cpu->cd.sh.fpul; |
3819 |
ic->arg[1] = (size_t)&cpu->cd.sh.fr[r8]; |
3820 |
} else if (lo8 == 0x1d) { |
3821 |
/* FLDS FRn,FPUL */ |
3822 |
ic->f = instr(copy_fp_register); |
3823 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r8]; |
3824 |
ic->arg[1] = (size_t)&cpu->cd.sh.fpul; |
3825 |
} else if (lo8 == 0x2d) { |
3826 |
/* FLOAT FPUL,FRn */ |
3827 |
ic->f = instr(float_fpul_frn); |
3828 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r8]; |
3829 |
} else if (lo8 == 0x3d) { |
3830 |
/* FTRC FRm,FPUL */ |
3831 |
ic->f = instr(ftrc_frm_fpul); |
3832 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r8]; |
3833 |
} else if (lo8 == 0x4d) { |
3834 |
/* FNEG FRn */ |
3835 |
ic->f = instr(fneg_frn); |
3836 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r8]; |
3837 |
} else if (lo8 == 0x5d) { |
3838 |
/* FABS FRn */ |
3839 |
ic->f = instr(fabs_frn); |
3840 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r8]; |
3841 |
} else if (lo8 == 0x6d) { |
3842 |
/* FSQRT FRn */ |
3843 |
ic->f = instr(fsqrt_frn); |
3844 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r8]; |
3845 |
} else if (lo8 == 0x8d) { |
3846 |
/* FLDI0 FRn */ |
3847 |
ic->f = instr(fldi_frn); |
3848 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r8]; |
3849 |
ic->arg[1] = 0x00000000; |
3850 |
} else if (lo8 == 0x9d) { |
3851 |
/* FLDI1 FRn */ |
3852 |
ic->f = instr(fldi_frn); |
3853 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r8]; |
3854 |
ic->arg[1] = 0x3f800000; |
3855 |
} else if ((iword & 0x01ff) == 0x00ad) { |
3856 |
/* FCNVSD FPUL,DRn */ |
3857 |
ic->f = instr(fcnvsd_fpul_drn); |
3858 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r8]; |
3859 |
} else if ((iword & 0x01ff) == 0x00bd) { |
3860 |
/* FCNVDS DRm,FPUL */ |
3861 |
ic->f = instr(fcnvds_drm_fpul); |
3862 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r8]; |
3863 |
} else if ((iword & 0x01ff) == 0x00fd) { |
3864 |
/* FSCA FPUL,DRn */ |
3865 |
ic->f = instr(fsca_fpul_drn); |
3866 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r8]; |
3867 |
} else if (iword == 0xf3fd) { |
3868 |
/* FSCHG */ |
3869 |
ic->f = instr(fschg); |
3870 |
} else if (iword == 0xfbfd) { |
3871 |
/* FRCHG */ |
3872 |
ic->f = instr(frchg); |
3873 |
} else if ((iword & 0xf3ff) == 0xf1fd) { |
3874 |
/* FTRV XMTRX, FVn */ |
3875 |
ic->f = instr(ftrv_xmtrx_fvn); |
3876 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r8 & 0xc]; |
3877 |
} else if (lo4 == 0xe) { |
3878 |
/* FMAC FR0,FRm,FRn */ |
3879 |
ic->f = instr(fmac_fr0_frm_frn); |
3880 |
ic->arg[0] = (size_t)&cpu->cd.sh.fr[r4]; |
3881 |
ic->arg[1] = (size_t)&cpu->cd.sh.fr[r8]; |
3882 |
} else { |
3883 |
if (!cpu->translation_readahead) |
3884 |
fatal("Unimplemented opcode 0x%x,0x%02x\n", |
3885 |
main_opcode, lo8); |
3886 |
goto bad; |
3887 |
} |
3888 |
break; |
3889 |
|
3890 |
default:if (!cpu->translation_readahead) |
3891 |
fatal("Unimplemented main opcode 0x%x\n", main_opcode); |
3892 |
goto bad; |
3893 |
} |
3894 |
|
3895 |
|
3896 |
#define DYNTRANS_TO_BE_TRANSLATED_TAIL |
3897 |
#include "cpu_dyntrans.c" |
3898 |
#undef DYNTRANS_TO_BE_TRANSLATED_TAIL |
3899 |
} |
3900 |
|