| 1 |
/* |
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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 |
| 5 |
* 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 |
| 10 |
* 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 |
| 17 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 18 |
* 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_sparc_instr.c,v 1.27 2007/03/16 15:43:58 debug Exp $ |
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* |
| 30 |
* SPARC instructions. |
| 31 |
* |
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* Individual functions should keep track of cpu->n_translated_instrs. |
| 33 |
* (If no instruction was executed, then it should be decreased. If, say, 4 |
| 34 |
* instructions were combined into one function and executed, then it should |
| 35 |
* be increased by 3.) |
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*/ |
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|
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|
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/* |
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* invalid: For catching bugs. |
| 41 |
*/ |
| 42 |
X(invalid) |
| 43 |
{ |
| 44 |
fatal("FATAL ERROR: An internal error occured in the SPARC" |
| 45 |
" dyntrans code. Please contact the author with detailed" |
| 46 |
" repro steps on how to trigger this bug.\n"); |
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exit(1); |
| 48 |
} |
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|
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|
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/* |
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* nop: Do nothing. |
| 53 |
*/ |
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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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|
| 61 |
|
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/* |
| 63 |
* call |
| 64 |
* |
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* arg[0] = int32_t displacement compared to the current instruction |
| 66 |
* arg[1] = int32_t displacement of current instruction compared to |
| 67 |
* start of the page |
| 68 |
*/ |
| 69 |
X(call) |
| 70 |
{ |
| 71 |
MODE_uint_t old_pc = cpu->pc; |
| 72 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
| 73 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 74 |
old_pc += (int32_t)ic->arg[1]; |
| 75 |
cpu->cd.sparc.r[SPARC_REG_O7] = old_pc; |
| 76 |
cpu->delay_slot = TO_BE_DELAYED; |
| 77 |
ic[1].f(cpu, ic+1); |
| 78 |
cpu->n_translated_instrs ++; |
| 79 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 80 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 81 |
cpu->delay_slot = NOT_DELAYED; |
| 82 |
cpu->pc = old_pc + (int32_t)ic->arg[0]; |
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quick_pc_to_pointers(cpu); |
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} else |
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cpu->delay_slot = NOT_DELAYED; |
| 86 |
} |
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X(call_trace) |
| 88 |
{ |
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MODE_uint_t old_pc = cpu->pc; |
| 90 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
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<< SPARC_INSTR_ALIGNMENT_SHIFT); |
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old_pc += (int32_t)ic->arg[1]; |
| 93 |
cpu->cd.sparc.r[SPARC_REG_O7] = old_pc; |
| 94 |
cpu->delay_slot = TO_BE_DELAYED; |
| 95 |
ic[1].f(cpu, ic+1); |
| 96 |
cpu->n_translated_instrs ++; |
| 97 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 98 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
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cpu->delay_slot = NOT_DELAYED; |
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cpu->pc = old_pc + (int32_t)ic->arg[0]; |
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cpu_functioncall_trace(cpu, cpu->pc); |
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quick_pc_to_pointers(cpu); |
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} else |
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cpu->delay_slot = NOT_DELAYED; |
| 105 |
} |
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|
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|
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/* |
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* bl |
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* |
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* arg[0] = int32_t displacement compared to the start of the current page |
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*/ |
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X(bl) |
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{ |
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MODE_uint_t old_pc = cpu->pc; |
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int n = (cpu->cd.sparc.ccr & SPARC_CCR_N) ? 1 : 0; |
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int v = (cpu->cd.sparc.ccr & SPARC_CCR_V) ? 1 : 0; |
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int cond = n ^ v; |
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cpu->delay_slot = TO_BE_DELAYED; |
| 120 |
ic[1].f(cpu, ic+1); |
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cpu->n_translated_instrs ++; |
| 122 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
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/* Note: Must be non-delayed when jumping to the new pc: */ |
| 124 |
cpu->delay_slot = NOT_DELAYED; |
| 125 |
if (cond) { |
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old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
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<< SPARC_INSTR_ALIGNMENT_SHIFT); |
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cpu->pc = old_pc + (int32_t)ic->arg[0]; |
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quick_pc_to_pointers(cpu); |
| 130 |
} |
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} else |
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cpu->delay_slot = NOT_DELAYED; |
| 133 |
} |
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X(bl_xcc) |
| 135 |
{ |
| 136 |
MODE_uint_t old_pc = cpu->pc; |
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int n = ((cpu->cd.sparc.ccr >> SPARC_CCR_XCC_SHIFT) & SPARC_CCR_N)? 1:0; |
| 138 |
int v = ((cpu->cd.sparc.ccr >> SPARC_CCR_XCC_SHIFT) & SPARC_CCR_V)? 1:0; |
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int cond = n ^ v; |
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cpu->delay_slot = TO_BE_DELAYED; |
| 141 |
ic[1].f(cpu, ic+1); |
| 142 |
cpu->n_translated_instrs ++; |
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if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 144 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
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cpu->delay_slot = NOT_DELAYED; |
| 146 |
if (cond) { |
| 147 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
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<< SPARC_INSTR_ALIGNMENT_SHIFT); |
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cpu->pc = old_pc + (int32_t)ic->arg[0]; |
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quick_pc_to_pointers(cpu); |
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} |
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} else |
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cpu->delay_slot = NOT_DELAYED; |
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} |
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|
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|
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/* |
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* ble |
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* |
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* arg[0] = int32_t displacement compared to the start of the current page |
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*/ |
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X(ble) |
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{ |
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MODE_uint_t old_pc = cpu->pc; |
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int n = (cpu->cd.sparc.ccr & SPARC_CCR_N) ? 1 : 0; |
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int v = (cpu->cd.sparc.ccr & SPARC_CCR_V) ? 1 : 0; |
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int z = (cpu->cd.sparc.ccr & SPARC_CCR_Z) ? 1 : 0; |
| 168 |
int cond = (n ^ v) || z; |
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cpu->delay_slot = TO_BE_DELAYED; |
| 170 |
ic[1].f(cpu, ic+1); |
| 171 |
cpu->n_translated_instrs ++; |
| 172 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 173 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 174 |
cpu->delay_slot = NOT_DELAYED; |
| 175 |
if (cond) { |
| 176 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
| 177 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 178 |
cpu->pc = old_pc + (int32_t)ic->arg[0]; |
| 179 |
quick_pc_to_pointers(cpu); |
| 180 |
} |
| 181 |
} else |
| 182 |
cpu->delay_slot = NOT_DELAYED; |
| 183 |
} |
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X(ble_xcc) |
| 185 |
{ |
| 186 |
MODE_uint_t old_pc = cpu->pc; |
| 187 |
int n = ((cpu->cd.sparc.ccr >> SPARC_CCR_XCC_SHIFT) & SPARC_CCR_N)? 1:0; |
| 188 |
int v = ((cpu->cd.sparc.ccr >> SPARC_CCR_XCC_SHIFT) & SPARC_CCR_V)? 1:0; |
| 189 |
int z = ((cpu->cd.sparc.ccr >> SPARC_CCR_XCC_SHIFT) & SPARC_CCR_Z)? 1:0; |
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int cond = (n ^ v) || z; |
| 191 |
cpu->delay_slot = TO_BE_DELAYED; |
| 192 |
ic[1].f(cpu, ic+1); |
| 193 |
cpu->n_translated_instrs ++; |
| 194 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
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/* Note: Must be non-delayed when jumping to the new pc: */ |
| 196 |
cpu->delay_slot = NOT_DELAYED; |
| 197 |
if (cond) { |
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old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
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<< SPARC_INSTR_ALIGNMENT_SHIFT); |
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cpu->pc = old_pc + (int32_t)ic->arg[0]; |
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quick_pc_to_pointers(cpu); |
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} |
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} else |
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cpu->delay_slot = NOT_DELAYED; |
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} |
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|
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|
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/* |
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* bne |
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* |
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* arg[0] = int32_t displacement compared to the start of the current page |
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*/ |
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X(bne) |
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{ |
| 215 |
MODE_uint_t old_pc = cpu->pc; |
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int cond = (cpu->cd.sparc.ccr & SPARC_CCR_Z) ? 0 : 1; |
| 217 |
cpu->delay_slot = TO_BE_DELAYED; |
| 218 |
ic[1].f(cpu, ic+1); |
| 219 |
cpu->n_translated_instrs ++; |
| 220 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 221 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 222 |
cpu->delay_slot = NOT_DELAYED; |
| 223 |
if (cond) { |
| 224 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
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<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 226 |
cpu->pc = old_pc + (int32_t)ic->arg[0]; |
| 227 |
quick_pc_to_pointers(cpu); |
| 228 |
} |
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} else |
| 230 |
cpu->delay_slot = NOT_DELAYED; |
| 231 |
} |
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X(bne_a) |
| 233 |
{ |
| 234 |
MODE_uint_t old_pc = cpu->pc; |
| 235 |
int cond = (cpu->cd.sparc.ccr & SPARC_CCR_Z) ? 0 : 1; |
| 236 |
cpu->delay_slot = TO_BE_DELAYED; |
| 237 |
if (!cond) { |
| 238 |
/* Nullify the delay slot: */ |
| 239 |
cpu->cd.sparc.next_ic ++; |
| 240 |
return; |
| 241 |
} |
| 242 |
ic[1].f(cpu, ic+1); |
| 243 |
cpu->n_translated_instrs ++; |
| 244 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 245 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 246 |
cpu->delay_slot = NOT_DELAYED; |
| 247 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
| 248 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 249 |
cpu->pc = old_pc + (int32_t)ic->arg[0]; |
| 250 |
quick_pc_to_pointers(cpu); |
| 251 |
} else |
| 252 |
cpu->delay_slot = NOT_DELAYED; |
| 253 |
} |
| 254 |
|
| 255 |
|
| 256 |
/* |
| 257 |
* bg |
| 258 |
* |
| 259 |
* arg[0] = int32_t displacement compared to the start of the current page |
| 260 |
*/ |
| 261 |
X(bg) |
| 262 |
{ |
| 263 |
MODE_uint_t old_pc = cpu->pc; |
| 264 |
int n = (cpu->cd.sparc.ccr & SPARC_CCR_N) ? 1 : 0; |
| 265 |
int v = (cpu->cd.sparc.ccr & SPARC_CCR_V) ? 1 : 0; |
| 266 |
int z = (cpu->cd.sparc.ccr & SPARC_CCR_Z) ? 1 : 0; |
| 267 |
int cond = !(z | (n ^ v)); |
| 268 |
cpu->delay_slot = TO_BE_DELAYED; |
| 269 |
ic[1].f(cpu, ic+1); |
| 270 |
cpu->n_translated_instrs ++; |
| 271 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 272 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 273 |
cpu->delay_slot = NOT_DELAYED; |
| 274 |
if (cond) { |
| 275 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
| 276 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 277 |
cpu->pc = old_pc + (int32_t)ic->arg[0]; |
| 278 |
quick_pc_to_pointers(cpu); |
| 279 |
} |
| 280 |
} else |
| 281 |
cpu->delay_slot = NOT_DELAYED; |
| 282 |
} |
| 283 |
X(bg_xcc) |
| 284 |
{ |
| 285 |
MODE_uint_t old_pc = cpu->pc; |
| 286 |
int n = ((cpu->cd.sparc.ccr >> SPARC_CCR_XCC_SHIFT) & SPARC_CCR_N)? 1:0; |
| 287 |
int v = ((cpu->cd.sparc.ccr >> SPARC_CCR_XCC_SHIFT) & SPARC_CCR_V)? 1:0; |
| 288 |
int z = ((cpu->cd.sparc.ccr >> SPARC_CCR_XCC_SHIFT) & SPARC_CCR_Z)? 1:0; |
| 289 |
int cond = !(z | (n ^ v)); |
| 290 |
cpu->delay_slot = TO_BE_DELAYED; |
| 291 |
ic[1].f(cpu, ic+1); |
| 292 |
cpu->n_translated_instrs ++; |
| 293 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 294 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 295 |
cpu->delay_slot = NOT_DELAYED; |
| 296 |
if (cond) { |
| 297 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
| 298 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 299 |
cpu->pc = old_pc + (int32_t)ic->arg[0]; |
| 300 |
quick_pc_to_pointers(cpu); |
| 301 |
} |
| 302 |
} else |
| 303 |
cpu->delay_slot = NOT_DELAYED; |
| 304 |
} |
| 305 |
|
| 306 |
|
| 307 |
/* |
| 308 |
* bge |
| 309 |
* |
| 310 |
* arg[0] = int32_t displacement compared to the start of the current page |
| 311 |
*/ |
| 312 |
X(bge) |
| 313 |
{ |
| 314 |
MODE_uint_t old_pc = cpu->pc; |
| 315 |
int n = (cpu->cd.sparc.ccr & SPARC_CCR_N) ? 1 : 0; |
| 316 |
int v = (cpu->cd.sparc.ccr & SPARC_CCR_V) ? 1 : 0; |
| 317 |
int cond = !(n ^ v); |
| 318 |
cpu->delay_slot = TO_BE_DELAYED; |
| 319 |
ic[1].f(cpu, ic+1); |
| 320 |
cpu->n_translated_instrs ++; |
| 321 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 322 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 323 |
cpu->delay_slot = NOT_DELAYED; |
| 324 |
if (cond) { |
| 325 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
| 326 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 327 |
cpu->pc = old_pc + (int32_t)ic->arg[0]; |
| 328 |
quick_pc_to_pointers(cpu); |
| 329 |
} |
| 330 |
} else |
| 331 |
cpu->delay_slot = NOT_DELAYED; |
| 332 |
} |
| 333 |
X(bge_xcc) |
| 334 |
{ |
| 335 |
MODE_uint_t old_pc = cpu->pc; |
| 336 |
int n = ((cpu->cd.sparc.ccr >> SPARC_CCR_XCC_SHIFT) & SPARC_CCR_N)? 1:0; |
| 337 |
int v = ((cpu->cd.sparc.ccr >> SPARC_CCR_XCC_SHIFT) & SPARC_CCR_V)? 1:0; |
| 338 |
int cond = !(n ^ v); |
| 339 |
cpu->delay_slot = TO_BE_DELAYED; |
| 340 |
ic[1].f(cpu, ic+1); |
| 341 |
cpu->n_translated_instrs ++; |
| 342 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 343 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 344 |
cpu->delay_slot = NOT_DELAYED; |
| 345 |
if (cond) { |
| 346 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
| 347 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 348 |
cpu->pc = old_pc + (int32_t)ic->arg[0]; |
| 349 |
quick_pc_to_pointers(cpu); |
| 350 |
} |
| 351 |
} else |
| 352 |
cpu->delay_slot = NOT_DELAYED; |
| 353 |
} |
| 354 |
|
| 355 |
|
| 356 |
/* |
| 357 |
* be |
| 358 |
* |
| 359 |
* arg[0] = int32_t displacement compared to the start of the current page |
| 360 |
*/ |
| 361 |
X(be) |
| 362 |
{ |
| 363 |
MODE_uint_t old_pc = cpu->pc; |
| 364 |
int cond = cpu->cd.sparc.ccr & SPARC_CCR_Z; |
| 365 |
cpu->delay_slot = TO_BE_DELAYED; |
| 366 |
ic[1].f(cpu, ic+1); |
| 367 |
cpu->n_translated_instrs ++; |
| 368 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 369 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 370 |
cpu->delay_slot = NOT_DELAYED; |
| 371 |
if (cond) { |
| 372 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
| 373 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 374 |
cpu->pc = old_pc + (int32_t)ic->arg[0]; |
| 375 |
quick_pc_to_pointers(cpu); |
| 376 |
} |
| 377 |
} else |
| 378 |
cpu->delay_slot = NOT_DELAYED; |
| 379 |
} |
| 380 |
X(be_xcc) |
| 381 |
{ |
| 382 |
MODE_uint_t old_pc = cpu->pc; |
| 383 |
int cond = (cpu->cd.sparc.ccr >> SPARC_CCR_XCC_SHIFT) & SPARC_CCR_Z; |
| 384 |
cpu->delay_slot = TO_BE_DELAYED; |
| 385 |
ic[1].f(cpu, ic+1); |
| 386 |
cpu->n_translated_instrs ++; |
| 387 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 388 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 389 |
cpu->delay_slot = NOT_DELAYED; |
| 390 |
if (cond) { |
| 391 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
| 392 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 393 |
cpu->pc = old_pc + (int32_t)ic->arg[0]; |
| 394 |
quick_pc_to_pointers(cpu); |
| 395 |
} |
| 396 |
} else |
| 397 |
cpu->delay_slot = NOT_DELAYED; |
| 398 |
} |
| 399 |
|
| 400 |
|
| 401 |
/* |
| 402 |
* ba |
| 403 |
* |
| 404 |
* arg[0] = int32_t displacement compared to the start of the current page |
| 405 |
*/ |
| 406 |
X(ba) |
| 407 |
{ |
| 408 |
MODE_uint_t old_pc = cpu->pc; |
| 409 |
cpu->delay_slot = TO_BE_DELAYED; |
| 410 |
ic[1].f(cpu, ic+1); |
| 411 |
cpu->n_translated_instrs ++; |
| 412 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 413 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 414 |
cpu->delay_slot = NOT_DELAYED; |
| 415 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
| 416 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 417 |
cpu->pc = old_pc + (int32_t)ic->arg[0]; |
| 418 |
quick_pc_to_pointers(cpu); |
| 419 |
} else |
| 420 |
cpu->delay_slot = NOT_DELAYED; |
| 421 |
} |
| 422 |
|
| 423 |
|
| 424 |
/* |
| 425 |
* brnz |
| 426 |
* |
| 427 |
* arg[0] = int32_t displacement compared to the start of the current page |
| 428 |
* arg[1] = ptr to rs1 |
| 429 |
*/ |
| 430 |
X(brnz) |
| 431 |
{ |
| 432 |
MODE_uint_t old_pc = cpu->pc; |
| 433 |
int cond = reg(ic->arg[1]) != 0; |
| 434 |
cpu->delay_slot = TO_BE_DELAYED; |
| 435 |
ic[1].f(cpu, ic+1); |
| 436 |
cpu->n_translated_instrs ++; |
| 437 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 438 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 439 |
cpu->delay_slot = NOT_DELAYED; |
| 440 |
if (cond) { |
| 441 |
old_pc &= ~((SPARC_IC_ENTRIES_PER_PAGE - 1) |
| 442 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 443 |
cpu->pc = old_pc + (int32_t)ic->arg[0]; |
| 444 |
quick_pc_to_pointers(cpu); |
| 445 |
} |
| 446 |
} else |
| 447 |
cpu->delay_slot = NOT_DELAYED; |
| 448 |
} |
| 449 |
|
| 450 |
|
| 451 |
/* |
| 452 |
* Save: |
| 453 |
* |
| 454 |
* arg[0] = ptr to rs1 |
| 455 |
* arg[1] = ptr to rs2 or an immediate value (int32_t) |
| 456 |
* arg[2] = ptr to rd (_after_ the register window change) |
| 457 |
*/ |
| 458 |
X(save_v9_imm) |
| 459 |
{ |
| 460 |
MODE_uint_t rs = reg(ic->arg[0]) + (int32_t)ic->arg[1]; |
| 461 |
int cwp = cpu->cd.sparc.cwp; |
| 462 |
|
| 463 |
if (cpu->cd.sparc.cansave == 0) { |
| 464 |
fatal("save_v9_imm: spill trap. TODO\n"); |
| 465 |
exit(1); |
| 466 |
} |
| 467 |
|
| 468 |
if (cpu->cd.sparc.cleanwin - cpu->cd.sparc.canrestore == 0) { |
| 469 |
fatal("save_v9_imm: clean_window trap. TODO\n"); |
| 470 |
exit(1); |
| 471 |
} |
| 472 |
|
| 473 |
/* Save away old in registers: */ |
| 474 |
memcpy(&cpu->cd.sparc.r_inout[cwp][0], &cpu->cd.sparc.r[SPARC_REG_I0], |
| 475 |
sizeof(cpu->cd.sparc.r[SPARC_REG_I0]) * N_SPARC_INOUT_REG); |
| 476 |
|
| 477 |
/* Save away old local registers: */ |
| 478 |
memcpy(&cpu->cd.sparc.r_local[cwp][0], &cpu->cd.sparc.r[SPARC_REG_L0], |
| 479 |
sizeof(cpu->cd.sparc.r[SPARC_REG_L0]) * N_SPARC_INOUT_REG); |
| 480 |
|
| 481 |
cpu->cd.sparc.cwp = (cwp + 1) % cpu->cd.sparc.cpu_type.nwindows; |
| 482 |
cpu->cd.sparc.cansave --; |
| 483 |
cpu->cd.sparc.canrestore ++; /* TODO: modulo here too? */ |
| 484 |
cwp = cpu->cd.sparc.cwp; |
| 485 |
|
| 486 |
/* The out registers become the new in registers: */ |
| 487 |
memcpy(&cpu->cd.sparc.r[SPARC_REG_I0], &cpu->cd.sparc.r[SPARC_REG_O0], |
| 488 |
sizeof(cpu->cd.sparc.r[SPARC_REG_O0]) * N_SPARC_INOUT_REG); |
| 489 |
|
| 490 |
/* Read new local registers: */ |
| 491 |
memcpy(&cpu->cd.sparc.r[SPARC_REG_L0], &cpu->cd.sparc.r_local[cwp][0], |
| 492 |
sizeof(cpu->cd.sparc.r[SPARC_REG_L0]) * N_SPARC_INOUT_REG); |
| 493 |
|
| 494 |
reg(ic->arg[2]) = rs; |
| 495 |
} |
| 496 |
|
| 497 |
|
| 498 |
/* |
| 499 |
* Restore: |
| 500 |
*/ |
| 501 |
X(restore) |
| 502 |
{ |
| 503 |
int cwp = cpu->cd.sparc.cwp; |
| 504 |
|
| 505 |
if (cpu->cd.sparc.canrestore == 0) { |
| 506 |
fatal("restore: spill trap. TODO\n"); |
| 507 |
exit(1); |
| 508 |
} |
| 509 |
|
| 510 |
cpu->cd.sparc.cwp = cwp - 1; |
| 511 |
if (cwp == 0) |
| 512 |
cpu->cd.sparc.cwp = cpu->cd.sparc.cpu_type.nwindows - 1; |
| 513 |
cpu->cd.sparc.cansave ++; |
| 514 |
cpu->cd.sparc.canrestore --; |
| 515 |
cwp = cpu->cd.sparc.cwp; |
| 516 |
|
| 517 |
/* The in registers become the new out registers: */ |
| 518 |
memcpy(&cpu->cd.sparc.r[SPARC_REG_O0], &cpu->cd.sparc.r[SPARC_REG_I0], |
| 519 |
sizeof(cpu->cd.sparc.r[SPARC_REG_O0]) * N_SPARC_INOUT_REG); |
| 520 |
|
| 521 |
/* Read back the local registers: */ |
| 522 |
memcpy(&cpu->cd.sparc.r[SPARC_REG_L0], &cpu->cd.sparc.r_local[cwp][0], |
| 523 |
sizeof(cpu->cd.sparc.r[SPARC_REG_L0]) * N_SPARC_INOUT_REG); |
| 524 |
|
| 525 |
/* Read back the in registers: */ |
| 526 |
memcpy(&cpu->cd.sparc.r[SPARC_REG_I0], &cpu->cd.sparc.r_inout[cwp][0], |
| 527 |
sizeof(cpu->cd.sparc.r[SPARC_REG_I0]) * N_SPARC_INOUT_REG); |
| 528 |
} |
| 529 |
|
| 530 |
|
| 531 |
/* |
| 532 |
* Jump and link |
| 533 |
* |
| 534 |
* arg[0] = ptr to rs1 |
| 535 |
* arg[1] = ptr to rs2 or an immediate value (int32_t) |
| 536 |
* arg[2] = ptr to rd |
| 537 |
*/ |
| 538 |
X(jmpl_imm) |
| 539 |
{ |
| 540 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 541 |
/ sizeof(struct sparc_instr_call); |
| 542 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 543 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 544 |
cpu->pc += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 545 |
reg(ic->arg[2]) = cpu->pc; |
| 546 |
|
| 547 |
cpu->delay_slot = TO_BE_DELAYED; |
| 548 |
ic[1].f(cpu, ic+1); |
| 549 |
cpu->n_translated_instrs ++; |
| 550 |
|
| 551 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 552 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 553 |
cpu->delay_slot = NOT_DELAYED; |
| 554 |
cpu->pc = reg(ic->arg[0]) + (int32_t)ic->arg[1]; |
| 555 |
quick_pc_to_pointers(cpu); |
| 556 |
} else |
| 557 |
cpu->delay_slot = NOT_DELAYED; |
| 558 |
} |
| 559 |
X(jmpl_imm_no_rd) |
| 560 |
{ |
| 561 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 562 |
/ sizeof(struct sparc_instr_call); |
| 563 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 564 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 565 |
cpu->pc += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 566 |
|
| 567 |
cpu->delay_slot = TO_BE_DELAYED; |
| 568 |
ic[1].f(cpu, ic+1); |
| 569 |
cpu->n_translated_instrs ++; |
| 570 |
|
| 571 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 572 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 573 |
cpu->delay_slot = NOT_DELAYED; |
| 574 |
cpu->pc = reg(ic->arg[0]) + (int32_t)ic->arg[1]; |
| 575 |
quick_pc_to_pointers(cpu); |
| 576 |
} else |
| 577 |
cpu->delay_slot = NOT_DELAYED; |
| 578 |
} |
| 579 |
X(jmpl_reg) |
| 580 |
{ |
| 581 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 582 |
/ sizeof(struct sparc_instr_call); |
| 583 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 584 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 585 |
cpu->pc += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 586 |
reg(ic->arg[2]) = cpu->pc; |
| 587 |
|
| 588 |
cpu->delay_slot = TO_BE_DELAYED; |
| 589 |
ic[1].f(cpu, ic+1); |
| 590 |
cpu->n_translated_instrs ++; |
| 591 |
|
| 592 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 593 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 594 |
cpu->delay_slot = NOT_DELAYED; |
| 595 |
cpu->pc = reg(ic->arg[0]) + reg(ic->arg[1]); |
| 596 |
quick_pc_to_pointers(cpu); |
| 597 |
} else |
| 598 |
cpu->delay_slot = NOT_DELAYED; |
| 599 |
} |
| 600 |
X(jmpl_reg_no_rd) |
| 601 |
{ |
| 602 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 603 |
/ sizeof(struct sparc_instr_call); |
| 604 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 605 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 606 |
cpu->pc += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 607 |
|
| 608 |
cpu->delay_slot = TO_BE_DELAYED; |
| 609 |
ic[1].f(cpu, ic+1); |
| 610 |
cpu->n_translated_instrs ++; |
| 611 |
|
| 612 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 613 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 614 |
cpu->delay_slot = NOT_DELAYED; |
| 615 |
cpu->pc = reg(ic->arg[0]) + reg(ic->arg[1]); |
| 616 |
quick_pc_to_pointers(cpu); |
| 617 |
} else |
| 618 |
cpu->delay_slot = NOT_DELAYED; |
| 619 |
} |
| 620 |
|
| 621 |
|
| 622 |
X(jmpl_imm_trace) |
| 623 |
{ |
| 624 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 625 |
/ sizeof(struct sparc_instr_call); |
| 626 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 627 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 628 |
cpu->pc += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 629 |
reg(ic->arg[2]) = cpu->pc; |
| 630 |
|
| 631 |
cpu->delay_slot = TO_BE_DELAYED; |
| 632 |
ic[1].f(cpu, ic+1); |
| 633 |
cpu->n_translated_instrs ++; |
| 634 |
|
| 635 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 636 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 637 |
cpu->delay_slot = NOT_DELAYED; |
| 638 |
cpu->pc = reg(ic->arg[0]) + (int32_t)ic->arg[1]; |
| 639 |
cpu_functioncall_trace(cpu, cpu->pc); |
| 640 |
quick_pc_to_pointers(cpu); |
| 641 |
} else |
| 642 |
cpu->delay_slot = NOT_DELAYED; |
| 643 |
} |
| 644 |
X(jmpl_reg_trace) |
| 645 |
{ |
| 646 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 647 |
/ sizeof(struct sparc_instr_call); |
| 648 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 649 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 650 |
cpu->pc += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 651 |
reg(ic->arg[2]) = cpu->pc; |
| 652 |
|
| 653 |
cpu->delay_slot = TO_BE_DELAYED; |
| 654 |
ic[1].f(cpu, ic+1); |
| 655 |
cpu->n_translated_instrs ++; |
| 656 |
|
| 657 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 658 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 659 |
cpu->delay_slot = NOT_DELAYED; |
| 660 |
cpu->pc = reg(ic->arg[0]) + reg(ic->arg[1]); |
| 661 |
cpu_functioncall_trace(cpu, cpu->pc); |
| 662 |
quick_pc_to_pointers(cpu); |
| 663 |
} else |
| 664 |
cpu->delay_slot = NOT_DELAYED; |
| 665 |
} |
| 666 |
X(retl_trace) |
| 667 |
{ |
| 668 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 669 |
/ sizeof(struct sparc_instr_call); |
| 670 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 671 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 672 |
cpu->pc += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 673 |
|
| 674 |
cpu->delay_slot = TO_BE_DELAYED; |
| 675 |
ic[1].f(cpu, ic+1); |
| 676 |
cpu->n_translated_instrs ++; |
| 677 |
|
| 678 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 679 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 680 |
cpu->delay_slot = NOT_DELAYED; |
| 681 |
cpu->pc = reg(ic->arg[0]) + (int32_t)ic->arg[1]; |
| 682 |
quick_pc_to_pointers(cpu); |
| 683 |
cpu_functioncall_trace_return(cpu); |
| 684 |
} else |
| 685 |
cpu->delay_slot = NOT_DELAYED; |
| 686 |
} |
| 687 |
|
| 688 |
|
| 689 |
/* |
| 690 |
* Return |
| 691 |
* |
| 692 |
* arg[0] = ptr to rs1 |
| 693 |
* arg[1] = ptr to rs2 or an immediate value (int32_t) |
| 694 |
*/ |
| 695 |
X(return_imm) |
| 696 |
{ |
| 697 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 698 |
/ sizeof(struct sparc_instr_call); |
| 699 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 700 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 701 |
cpu->pc += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 702 |
|
| 703 |
cpu->delay_slot = TO_BE_DELAYED; |
| 704 |
ic[1].f(cpu, ic+1); |
| 705 |
cpu->n_translated_instrs ++; |
| 706 |
|
| 707 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 708 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 709 |
cpu->delay_slot = NOT_DELAYED; |
| 710 |
cpu->pc = reg(ic->arg[0]) + (int32_t)ic->arg[1]; |
| 711 |
quick_pc_to_pointers(cpu); |
| 712 |
instr(restore)(cpu, ic); |
| 713 |
} else |
| 714 |
cpu->delay_slot = NOT_DELAYED; |
| 715 |
} |
| 716 |
X(return_reg) |
| 717 |
{ |
| 718 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 719 |
/ sizeof(struct sparc_instr_call); |
| 720 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 721 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 722 |
cpu->pc += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 723 |
|
| 724 |
cpu->delay_slot = TO_BE_DELAYED; |
| 725 |
ic[1].f(cpu, ic+1); |
| 726 |
cpu->n_translated_instrs ++; |
| 727 |
|
| 728 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 729 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 730 |
cpu->delay_slot = NOT_DELAYED; |
| 731 |
cpu->pc = reg(ic->arg[0]) + reg(ic->arg[1]); |
| 732 |
quick_pc_to_pointers(cpu); |
| 733 |
instr(restore)(cpu, ic); |
| 734 |
} else |
| 735 |
cpu->delay_slot = NOT_DELAYED; |
| 736 |
} |
| 737 |
X(return_imm_trace) |
| 738 |
{ |
| 739 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 740 |
/ sizeof(struct sparc_instr_call); |
| 741 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 742 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 743 |
cpu->pc += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 744 |
|
| 745 |
cpu->delay_slot = TO_BE_DELAYED; |
| 746 |
ic[1].f(cpu, ic+1); |
| 747 |
cpu->n_translated_instrs ++; |
| 748 |
|
| 749 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 750 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 751 |
cpu->delay_slot = NOT_DELAYED; |
| 752 |
cpu->pc = reg(ic->arg[0]) + (int32_t)ic->arg[1]; |
| 753 |
cpu_functioncall_trace(cpu, cpu->pc); |
| 754 |
quick_pc_to_pointers(cpu); |
| 755 |
instr(restore)(cpu, ic); |
| 756 |
} else |
| 757 |
cpu->delay_slot = NOT_DELAYED; |
| 758 |
} |
| 759 |
X(return_reg_trace) |
| 760 |
{ |
| 761 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 762 |
/ sizeof(struct sparc_instr_call); |
| 763 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 764 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 765 |
cpu->pc += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 766 |
|
| 767 |
cpu->delay_slot = TO_BE_DELAYED; |
| 768 |
ic[1].f(cpu, ic+1); |
| 769 |
cpu->n_translated_instrs ++; |
| 770 |
|
| 771 |
if (!(cpu->delay_slot & EXCEPTION_IN_DELAY_SLOT)) { |
| 772 |
/* Note: Must be non-delayed when jumping to the new pc: */ |
| 773 |
cpu->delay_slot = NOT_DELAYED; |
| 774 |
cpu->pc = reg(ic->arg[0]) + reg(ic->arg[1]); |
| 775 |
cpu_functioncall_trace(cpu, cpu->pc); |
| 776 |
quick_pc_to_pointers(cpu); |
| 777 |
instr(restore)(cpu, ic); |
| 778 |
} else |
| 779 |
cpu->delay_slot = NOT_DELAYED; |
| 780 |
} |
| 781 |
|
| 782 |
|
| 783 |
/* |
| 784 |
* set: Set a register to a value (e.g. sethi). |
| 785 |
* |
| 786 |
* arg[0] = ptr to rd |
| 787 |
* arg[1] = value (uint32_t) |
| 788 |
*/ |
| 789 |
X(set) |
| 790 |
{ |
| 791 |
reg(ic->arg[0]) = (uint32_t)ic->arg[1]; |
| 792 |
} |
| 793 |
|
| 794 |
|
| 795 |
/* |
| 796 |
* Computational/arithmetic instructions: |
| 797 |
* |
| 798 |
* arg[0] = ptr to rs1 |
| 799 |
* arg[1] = ptr to rs2 or an immediate value (int32_t) |
| 800 |
* arg[2] = ptr to rd |
| 801 |
*/ |
| 802 |
X(add) { reg(ic->arg[2]) = reg(ic->arg[0]) + reg(ic->arg[1]); } |
| 803 |
X(add_imm) { reg(ic->arg[2]) = reg(ic->arg[0]) + (int32_t)ic->arg[1]; } |
| 804 |
X(and) { reg(ic->arg[2]) = reg(ic->arg[0]) & reg(ic->arg[1]); } |
| 805 |
X(and_imm) { reg(ic->arg[2]) = reg(ic->arg[0]) & (int32_t)ic->arg[1]; } |
| 806 |
X(andn) { reg(ic->arg[2]) = reg(ic->arg[0]) & ~reg(ic->arg[1]); } |
| 807 |
X(andn_imm) { reg(ic->arg[2]) = reg(ic->arg[0]) & ~(int32_t)ic->arg[1]; } |
| 808 |
X(or) { reg(ic->arg[2]) = reg(ic->arg[0]) | reg(ic->arg[1]); } |
| 809 |
X(or_imm) { reg(ic->arg[2]) = reg(ic->arg[0]) | (int32_t)ic->arg[1]; } |
| 810 |
X(xor) { reg(ic->arg[2]) = reg(ic->arg[0]) ^ reg(ic->arg[1]); } |
| 811 |
X(xor_imm) { reg(ic->arg[2]) = reg(ic->arg[0]) ^ (int32_t)ic->arg[1]; } |
| 812 |
X(sub) { reg(ic->arg[2]) = reg(ic->arg[0]) - reg(ic->arg[1]); } |
| 813 |
X(sub_imm) { reg(ic->arg[2]) = reg(ic->arg[0]) - (int32_t)ic->arg[1]; } |
| 814 |
|
| 815 |
X(sll) { reg(ic->arg[2]) = (uint32_t)reg(ic->arg[0]) << |
| 816 |
(reg(ic->arg[1]) & 31); } |
| 817 |
X(sllx) { reg(ic->arg[2]) = (uint64_t)reg(ic->arg[0]) << |
| 818 |
(reg(ic->arg[1]) & 63); } |
| 819 |
X(sll_imm) { reg(ic->arg[2]) = (uint32_t)reg(ic->arg[0]) << ic->arg[1]; } |
| 820 |
X(sllx_imm) { reg(ic->arg[2]) = (uint64_t)reg(ic->arg[0]) << ic->arg[1]; } |
| 821 |
|
| 822 |
X(srl) { reg(ic->arg[2]) = (uint32_t)reg(ic->arg[0]) >> |
| 823 |
(reg(ic->arg[1]) & 31); } |
| 824 |
X(srlx) { reg(ic->arg[2]) = (uint64_t)reg(ic->arg[0]) >> |
| 825 |
(reg(ic->arg[1]) & 63); } |
| 826 |
X(srl_imm) { reg(ic->arg[2]) = (uint32_t)reg(ic->arg[0]) >> ic->arg[1]; } |
| 827 |
X(srlx_imm) { reg(ic->arg[2]) = (uint64_t)reg(ic->arg[0]) >> ic->arg[1]; } |
| 828 |
|
| 829 |
X(sra) { reg(ic->arg[2]) = (int32_t)reg(ic->arg[0]) >> |
| 830 |
(reg(ic->arg[1]) & 31); } |
| 831 |
X(srax) { reg(ic->arg[2]) = (int64_t)reg(ic->arg[0]) >> |
| 832 |
(reg(ic->arg[1]) & 63); } |
| 833 |
X(sra_imm) { reg(ic->arg[2]) = (int32_t)reg(ic->arg[0]) >> ic->arg[1]; } |
| 834 |
X(srax_imm) { reg(ic->arg[2]) = (int64_t)reg(ic->arg[0]) >> ic->arg[1]; } |
| 835 |
|
| 836 |
X(udiv) |
| 837 |
{ |
| 838 |
uint64_t z = (cpu->cd.sparc.y << 32) | (uint32_t)reg(ic->arg[0]); |
| 839 |
z /= (uint32_t)reg(ic->arg[1]); |
| 840 |
if (z > 0xffffffff) |
| 841 |
z = 0xffffffff; |
| 842 |
reg(ic->arg[2]) = z; |
| 843 |
} |
| 844 |
X(udiv_imm) |
| 845 |
{ |
| 846 |
uint64_t z = (cpu->cd.sparc.y << 32) | (uint32_t)reg(ic->arg[0]); |
| 847 |
z /= (uint32_t)ic->arg[1]; |
| 848 |
if (z > 0xffffffff) |
| 849 |
z = 0xffffffff; |
| 850 |
reg(ic->arg[2]) = z; |
| 851 |
} |
| 852 |
|
| 853 |
|
| 854 |
/* |
| 855 |
* Add with ccr update: |
| 856 |
* |
| 857 |
* arg[0] = ptr to rs1 |
| 858 |
* arg[1] = ptr to rs2 or an immediate value (int32_t) |
| 859 |
* arg[2] = ptr to rd |
| 860 |
*/ |
| 861 |
int32_t sparc_addcc32(struct cpu *cpu, int32_t rs1, int32_t rs2); |
| 862 |
#ifdef MODE32 |
| 863 |
int32_t sparc_addcc32(struct cpu *cpu, int32_t rs1, int32_t rs2) |
| 864 |
#else |
| 865 |
int64_t sparc_addcc64(struct cpu *cpu, int64_t rs1, int64_t rs2) |
| 866 |
#endif |
| 867 |
{ |
| 868 |
int cc = 0, sign1 = 0, sign2 = 0, signd = 0, mask = SPARC_CCR_ICC_MASK; |
| 869 |
MODE_int_t rd = rs1 + rs2; |
| 870 |
if (rd == 0) |
| 871 |
cc = SPARC_CCR_Z; |
| 872 |
else if (rd < 0) |
| 873 |
cc = SPARC_CCR_N, signd = 1; |
| 874 |
if (rs1 < 0) |
| 875 |
sign1 = 1; |
| 876 |
if (rs2 < 0) |
| 877 |
sign2 = 1; |
| 878 |
if (sign1 == sign2 && sign1 != signd) |
| 879 |
cc |= SPARC_CCR_V; |
| 880 |
/* TODO: SPARC_CCR_C */ |
| 881 |
#ifndef MODE32 |
| 882 |
mask <<= SPARC_CCR_XCC_SHIFT; |
| 883 |
cc <<= SPARC_CCR_XCC_SHIFT; |
| 884 |
#endif |
| 885 |
cpu->cd.sparc.ccr &= ~mask; |
| 886 |
cpu->cd.sparc.ccr |= cc; |
| 887 |
return rd; |
| 888 |
} |
| 889 |
X(addcc) |
| 890 |
{ |
| 891 |
/* Like add, but updates the ccr, and does both 32-bit and |
| 892 |
64-bit comparison at the same time. */ |
| 893 |
MODE_int_t rs1 = reg(ic->arg[0]), rs2 = reg(ic->arg[1]), rd; |
| 894 |
rd = sparc_addcc32(cpu, rs1, rs2); |
| 895 |
#ifndef MODE32 |
| 896 |
rd = sparc_addcc64(cpu, rs1, rs2); |
| 897 |
#endif |
| 898 |
reg(ic->arg[2]) = rd; |
| 899 |
} |
| 900 |
X(addcc_imm) |
| 901 |
{ |
| 902 |
MODE_int_t rs1 = reg(ic->arg[0]), rs2 = (int32_t)ic->arg[1], rd; |
| 903 |
rd = sparc_addcc32(cpu, rs1, rs2); |
| 904 |
#ifndef MODE32 |
| 905 |
rd = sparc_addcc64(cpu, rs1, rs2); |
| 906 |
#endif |
| 907 |
reg(ic->arg[2]) = rd; |
| 908 |
} |
| 909 |
|
| 910 |
|
| 911 |
/* |
| 912 |
* And with ccr update: |
| 913 |
* |
| 914 |
* arg[0] = ptr to rs1 |
| 915 |
* arg[1] = ptr to rs2 or an immediate value (int32_t) |
| 916 |
* arg[2] = ptr to rd |
| 917 |
*/ |
| 918 |
int32_t sparc_andcc32(struct cpu *cpu, int32_t rs1, int32_t rs2); |
| 919 |
#ifdef MODE32 |
| 920 |
int32_t sparc_andcc32(struct cpu *cpu, int32_t rs1, int32_t rs2) |
| 921 |
#else |
| 922 |
int64_t sparc_andcc64(struct cpu *cpu, int64_t rs1, int64_t rs2) |
| 923 |
#endif |
| 924 |
{ |
| 925 |
int cc = 0, mask = SPARC_CCR_ICC_MASK; |
| 926 |
MODE_int_t rd = rs1 & rs2; |
| 927 |
if (rd == 0) |
| 928 |
cc = SPARC_CCR_Z; |
| 929 |
else if (rd < 0) |
| 930 |
cc = SPARC_CCR_N; |
| 931 |
/* Note: SPARC_CCR_C and SPARC_CCR_V are always zero. */ |
| 932 |
#ifndef MODE32 |
| 933 |
mask <<= SPARC_CCR_XCC_SHIFT; |
| 934 |
cc <<= SPARC_CCR_XCC_SHIFT; |
| 935 |
#endif |
| 936 |
cpu->cd.sparc.ccr &= ~mask; |
| 937 |
cpu->cd.sparc.ccr |= cc; |
| 938 |
return rd; |
| 939 |
} |
| 940 |
X(andcc) |
| 941 |
{ |
| 942 |
/* Like and, but updates the ccr, and does both 32-bit and |
| 943 |
64-bit comparison at the same time. */ |
| 944 |
MODE_int_t rs1 = reg(ic->arg[0]), rs2 = reg(ic->arg[1]), rd; |
| 945 |
rd = sparc_andcc32(cpu, rs1, rs2); |
| 946 |
#ifndef MODE32 |
| 947 |
rd = sparc_andcc64(cpu, rs1, rs2); |
| 948 |
#endif |
| 949 |
reg(ic->arg[2]) = rd; |
| 950 |
} |
| 951 |
X(andcc_imm) |
| 952 |
{ |
| 953 |
MODE_int_t rs1 = reg(ic->arg[0]), rs2 = (int32_t)ic->arg[1], rd; |
| 954 |
rd = sparc_andcc32(cpu, rs1, rs2); |
| 955 |
#ifndef MODE32 |
| 956 |
rd = sparc_andcc64(cpu, rs1, rs2); |
| 957 |
#endif |
| 958 |
reg(ic->arg[2]) = rd; |
| 959 |
} |
| 960 |
|
| 961 |
|
| 962 |
/* |
| 963 |
* Subtract with ccr update: |
| 964 |
* |
| 965 |
* arg[0] = ptr to rs1 |
| 966 |
* arg[1] = ptr to rs2 or an immediate value (int32_t) |
| 967 |
* arg[2] = ptr to rd |
| 968 |
*/ |
| 969 |
int32_t sparc_subcc32(struct cpu *cpu, int32_t rs1, int32_t rs2); |
| 970 |
#ifdef MODE32 |
| 971 |
int32_t sparc_subcc32(struct cpu *cpu, int32_t rs1, int32_t rs2) |
| 972 |
#else |
| 973 |
int64_t sparc_subcc64(struct cpu *cpu, int64_t rs1, int64_t rs2) |
| 974 |
#endif |
| 975 |
{ |
| 976 |
int cc = 0, sign1 = 0, sign2 = 0, signd = 0, mask = SPARC_CCR_ICC_MASK; |
| 977 |
MODE_int_t rd = rs1 - rs2; |
| 978 |
if (rd == 0) |
| 979 |
cc = SPARC_CCR_Z; |
| 980 |
else if (rd < 0) |
| 981 |
cc = SPARC_CCR_N, signd = 1; |
| 982 |
if (rs1 < 0) |
| 983 |
sign1 = 1; |
| 984 |
if (rs2 < 0) |
| 985 |
sign2 = 1; |
| 986 |
if (sign1 != sign2 && sign1 != signd) |
| 987 |
cc |= SPARC_CCR_V; |
| 988 |
/* TODO: SPARC_CCR_C */ |
| 989 |
#ifndef MODE32 |
| 990 |
mask <<= SPARC_CCR_XCC_SHIFT; |
| 991 |
cc <<= SPARC_CCR_XCC_SHIFT; |
| 992 |
#endif |
| 993 |
cpu->cd.sparc.ccr &= ~mask; |
| 994 |
cpu->cd.sparc.ccr |= cc; |
| 995 |
return rd; |
| 996 |
} |
| 997 |
X(subcc) |
| 998 |
{ |
| 999 |
/* Like sub, but updates the ccr, and does both 32-bit and |
| 1000 |
64-bit comparison at the same time. */ |
| 1001 |
MODE_int_t rs1 = reg(ic->arg[0]), rs2 = reg(ic->arg[1]), rd; |
| 1002 |
rd = sparc_subcc32(cpu, rs1, rs2); |
| 1003 |
#ifndef MODE32 |
| 1004 |
rd = sparc_subcc64(cpu, rs1, rs2); |
| 1005 |
#endif |
| 1006 |
reg(ic->arg[2]) = rd; |
| 1007 |
} |
| 1008 |
X(subcc_imm) |
| 1009 |
{ |
| 1010 |
MODE_int_t rs1 = reg(ic->arg[0]), rs2 = (int32_t)ic->arg[1], rd; |
| 1011 |
rd = sparc_subcc32(cpu, rs1, rs2); |
| 1012 |
#ifndef MODE32 |
| 1013 |
rd = sparc_subcc64(cpu, rs1, rs2); |
| 1014 |
#endif |
| 1015 |
reg(ic->arg[2]) = rd; |
| 1016 |
} |
| 1017 |
|
| 1018 |
|
| 1019 |
#include "tmp_sparc_loadstore.c" |
| 1020 |
|
| 1021 |
|
| 1022 |
/* |
| 1023 |
* flushw: Flush Register Windows |
| 1024 |
*/ |
| 1025 |
X(flushw) |
| 1026 |
{ |
| 1027 |
/* flushw acts as a nop, if cansave = nwindows - 2: */ |
| 1028 |
if (cpu->cd.sparc.cansave == cpu->cd.sparc.cpu_type.nwindows - 2) |
| 1029 |
return; |
| 1030 |
|
| 1031 |
/* TODO */ |
| 1032 |
fatal("flushw: TODO: cansave = %i\n", cpu->cd.sparc.cansave); |
| 1033 |
exit(1); |
| 1034 |
} |
| 1035 |
|
| 1036 |
|
| 1037 |
/* |
| 1038 |
* rd: Read special register |
| 1039 |
* |
| 1040 |
* arg[2] = ptr to rd |
| 1041 |
*/ |
| 1042 |
X(rd_psr) |
| 1043 |
{ |
| 1044 |
reg(ic->arg[2]) = cpu->cd.sparc.psr; |
| 1045 |
} |
| 1046 |
|
| 1047 |
|
| 1048 |
/* |
| 1049 |
* rdpr: Read privileged register |
| 1050 |
* |
| 1051 |
* arg[2] = ptr to rd |
| 1052 |
*/ |
| 1053 |
X(rdpr_tba) |
| 1054 |
{ |
| 1055 |
reg(ic->arg[2]) = cpu->cd.sparc.tba; |
| 1056 |
} |
| 1057 |
X(rdpr_ver) |
| 1058 |
{ |
| 1059 |
reg(ic->arg[2]) = cpu->cd.sparc.ver; |
| 1060 |
} |
| 1061 |
|
| 1062 |
|
| 1063 |
/* |
| 1064 |
* wrpr: Write to privileged register |
| 1065 |
* |
| 1066 |
* arg[0] = ptr to rs1 |
| 1067 |
* arg[1] = ptr to rs2 or an immediate value (int32_t) |
| 1068 |
*/ |
| 1069 |
X(wrpr_tick) |
| 1070 |
{ |
| 1071 |
cpu->cd.sparc.tick = (uint32_t) (reg(ic->arg[0]) ^ reg(ic->arg[1])); |
| 1072 |
} |
| 1073 |
X(wrpr_tick_imm) |
| 1074 |
{ |
| 1075 |
cpu->cd.sparc.tick = (uint32_t) (reg(ic->arg[0]) ^ (int32_t)ic->arg[1]); |
| 1076 |
} |
| 1077 |
X(wrpr_pil) |
| 1078 |
{ |
| 1079 |
cpu->cd.sparc.pil = (reg(ic->arg[0]) ^ reg(ic->arg[1])) |
| 1080 |
& SPARC_PIL_MASK; |
| 1081 |
} |
| 1082 |
X(wrpr_pil_imm) |
| 1083 |
{ |
| 1084 |
cpu->cd.sparc.pil = (reg(ic->arg[0]) ^ (int32_t)ic->arg[1]) |
| 1085 |
& SPARC_PIL_MASK; |
| 1086 |
} |
| 1087 |
X(wrpr_pstate) |
| 1088 |
{ |
| 1089 |
sparc_update_pstate(cpu, reg(ic->arg[0]) ^ reg(ic->arg[1])); |
| 1090 |
} |
| 1091 |
X(wrpr_pstate_imm) |
| 1092 |
{ |
| 1093 |
sparc_update_pstate(cpu, reg(ic->arg[0]) ^ (int32_t)ic->arg[1]); |
| 1094 |
} |
| 1095 |
X(wrpr_cleanwin) |
| 1096 |
{ |
| 1097 |
cpu->cd.sparc.cleanwin = (uint32_t) (reg(ic->arg[0]) ^ reg(ic->arg[1])); |
| 1098 |
} |
| 1099 |
X(wrpr_cleanwin_imm) |
| 1100 |
{ |
| 1101 |
cpu->cd.sparc.cleanwin = |
| 1102 |
(uint32_t) (reg(ic->arg[0]) ^ (int32_t)ic->arg[1]); |
| 1103 |
} |
| 1104 |
|
| 1105 |
|
| 1106 |
/*****************************************************************************/ |
| 1107 |
|
| 1108 |
|
| 1109 |
X(end_of_page) |
| 1110 |
{ |
| 1111 |
/* Update the PC: (offset 0, but on the next page) */ |
| 1112 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) << |
| 1113 |
SPARC_INSTR_ALIGNMENT_SHIFT); |
| 1114 |
cpu->pc += (SPARC_IC_ENTRIES_PER_PAGE << |
| 1115 |
SPARC_INSTR_ALIGNMENT_SHIFT); |
| 1116 |
|
| 1117 |
/* Find the new physical page and update the translation pointers: */ |
| 1118 |
quick_pc_to_pointers(cpu); |
| 1119 |
|
| 1120 |
/* end_of_page doesn't count as an executed instruction: */ |
| 1121 |
cpu->n_translated_instrs --; |
| 1122 |
} |
| 1123 |
|
| 1124 |
|
| 1125 |
X(end_of_page2) |
| 1126 |
{ |
| 1127 |
/* Synchronize PC on the _second_ instruction on the next page: */ |
| 1128 |
int low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 1129 |
/ sizeof(struct sparc_instr_call); |
| 1130 |
cpu->pc &= ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 1131 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 1132 |
cpu->pc += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 1133 |
|
| 1134 |
/* This doesn't count as an executed instruction. */ |
| 1135 |
cpu->n_translated_instrs --; |
| 1136 |
|
| 1137 |
quick_pc_to_pointers(cpu); |
| 1138 |
|
| 1139 |
if (cpu->delay_slot == NOT_DELAYED) |
| 1140 |
return; |
| 1141 |
|
| 1142 |
fatal("end_of_page2: fatal error, we're in a delay slot\n"); |
| 1143 |
exit(1); |
| 1144 |
} |
| 1145 |
|
| 1146 |
|
| 1147 |
/*****************************************************************************/ |
| 1148 |
|
| 1149 |
|
| 1150 |
/* |
| 1151 |
* sparc_instr_to_be_translated(): |
| 1152 |
* |
| 1153 |
* Translate an instruction word into a sparc_instr_call. ic is filled in with |
| 1154 |
* valid data for the translated instruction, or a "nothing" instruction if |
| 1155 |
* there was a translation failure. The newly translated instruction is then |
| 1156 |
* executed. |
| 1157 |
*/ |
| 1158 |
X(to_be_translated) |
| 1159 |
{ |
| 1160 |
MODE_uint_t addr; |
| 1161 |
int low_pc, in_crosspage_delayslot = 0; |
| 1162 |
uint32_t iword; |
| 1163 |
unsigned char *page; |
| 1164 |
unsigned char ib[4]; |
| 1165 |
int main_opcode, op2, rd, rs1, rs2, btype, asi, cc, p, use_imm, x64 = 0; |
| 1166 |
int store, signedness, size; |
| 1167 |
int32_t tmpi32, siconst; |
| 1168 |
/* void (*samepage_function)(struct cpu *, struct sparc_instr_call *);*/ |
| 1169 |
|
| 1170 |
/* Figure out the (virtual) address of the instruction: */ |
| 1171 |
low_pc = ((size_t)ic - (size_t)cpu->cd.sparc.cur_ic_page) |
| 1172 |
/ sizeof(struct sparc_instr_call); |
| 1173 |
|
| 1174 |
/* Special case for branch with delayslot on the next page: */ |
| 1175 |
if (cpu->delay_slot == TO_BE_DELAYED && low_pc == 0) { |
| 1176 |
/* fatal("[ delay-slot translation across page " |
| 1177 |
"boundary ]\n"); */ |
| 1178 |
in_crosspage_delayslot = 1; |
| 1179 |
} |
| 1180 |
|
| 1181 |
addr = cpu->pc & ~((SPARC_IC_ENTRIES_PER_PAGE-1) |
| 1182 |
<< SPARC_INSTR_ALIGNMENT_SHIFT); |
| 1183 |
addr += (low_pc << SPARC_INSTR_ALIGNMENT_SHIFT); |
| 1184 |
cpu->pc = addr; |
| 1185 |
addr &= ~((1 << SPARC_INSTR_ALIGNMENT_SHIFT) - 1); |
| 1186 |
|
| 1187 |
/* Read the instruction word from memory: */ |
| 1188 |
#ifdef MODE32 |
| 1189 |
page = cpu->cd.sparc.host_load[addr >> 12]; |
| 1190 |
#else |
| 1191 |
{ |
| 1192 |
const uint32_t mask1 = (1 << DYNTRANS_L1N) - 1; |
| 1193 |
const uint32_t mask2 = (1 << DYNTRANS_L2N) - 1; |
| 1194 |
const uint32_t mask3 = (1 << DYNTRANS_L3N) - 1; |
| 1195 |
uint32_t x1 = (addr >> (64-DYNTRANS_L1N)) & mask1; |
| 1196 |
uint32_t x2 = (addr >> (64-DYNTRANS_L1N-DYNTRANS_L2N)) & mask2; |
| 1197 |
uint32_t x3 = (addr >> (64-DYNTRANS_L1N-DYNTRANS_L2N- |
| 1198 |
DYNTRANS_L3N)) & mask3; |
| 1199 |
struct DYNTRANS_L2_64_TABLE *l2 = cpu->cd.sparc.l1_64[x1]; |
| 1200 |
struct DYNTRANS_L3_64_TABLE *l3 = l2->l3[x2]; |
| 1201 |
page = l3->host_load[x3]; |
| 1202 |
} |
| 1203 |
#endif |
| 1204 |
|
| 1205 |
if (page != NULL) { |
| 1206 |
/* fatal("TRANSLATION HIT!\n"); */ |
| 1207 |
memcpy(ib, page + (addr & 0xffc), sizeof(ib)); |
| 1208 |
} else { |
| 1209 |
/* fatal("TRANSLATION MISS!\n"); */ |
| 1210 |
if (!cpu->memory_rw(cpu, cpu->mem, addr, ib, |
| 1211 |
sizeof(ib), MEM_READ, CACHE_INSTRUCTION)) { |
| 1212 |
fatal("to_be_translated(): " |
| 1213 |
"read failed: TODO\n"); |
| 1214 |
goto bad; |
| 1215 |
} |
| 1216 |
} |
| 1217 |
|
| 1218 |
/* SPARC instruction words are always big-endian. Convert |
| 1219 |
to host order: */ |
| 1220 |
iword = BE32_TO_HOST( *((uint32_t *)&ib[0]) ); |
| 1221 |
|
| 1222 |
|
| 1223 |
#define DYNTRANS_TO_BE_TRANSLATED_HEAD |
| 1224 |
#include "cpu_dyntrans.c" |
| 1225 |
#undef DYNTRANS_TO_BE_TRANSLATED_HEAD |
| 1226 |
|
| 1227 |
|
| 1228 |
/* |
| 1229 |
* Translate the instruction: |
| 1230 |
*/ |
| 1231 |
|
| 1232 |
main_opcode = iword >> 30; |
| 1233 |
rd = (iword >> 25) & 31; |
| 1234 |
btype = rd & (N_SPARC_BRANCH_TYPES - 1); |
| 1235 |
rs1 = (iword >> 14) & 31; |
| 1236 |
use_imm = (iword >> 13) & 1; |
| 1237 |
asi = (iword >> 5) & 0xff; |
| 1238 |
rs2 = iword & 31; |
| 1239 |
siconst = (int16_t)((iword & 0x1fff) << 3) >> 3; |
| 1240 |
op2 = (main_opcode == 0)? ((iword >> 22) & 7) : ((iword >> 19) & 0x3f); |
| 1241 |
cc = (iword >> 20) & 3; |
| 1242 |
p = (iword >> 19) & 1; |
| 1243 |
|
| 1244 |
switch (main_opcode) { |
| 1245 |
|
| 1246 |
case 0: switch (op2) { |
| 1247 |
|
| 1248 |
case 1: /* branch (icc or xcc) */ |
| 1249 |
tmpi32 = (iword << 13); |
| 1250 |
tmpi32 >>= 11; |
| 1251 |
ic->arg[0] = (int32_t)tmpi32 + (addr & 0xffc); |
| 1252 |
/* rd contains the annul bit concatenated with 4 bits |
| 1253 |
of condition code. cc=0 for icc, 2 for xcc: */ |
| 1254 |
/* TODO: samepage */ |
| 1255 |
switch (rd + (cc << 5)) { |
| 1256 |
case 0x01: ic->f = instr(be); break; |
| 1257 |
case 0x02: ic->f = instr(ble); break; |
| 1258 |
case 0x03: ic->f = instr(bl); break; |
| 1259 |
case 0x08: ic->f = instr(ba); break; |
| 1260 |
case 0x09: ic->f = instr(bne); break; |
| 1261 |
case 0x0a: ic->f = instr(bg); break; |
| 1262 |
case 0x0b: ic->f = instr(bge); break; |
| 1263 |
case 0x19: ic->f = instr(bne_a); break; |
| 1264 |
case 0x41: ic->f = instr(be_xcc); break; |
| 1265 |
case 0x42: ic->f = instr(ble_xcc);break; |
| 1266 |
case 0x43: ic->f = instr(bl_xcc); break; |
| 1267 |
case 0x48: ic->f = instr(ba); break; |
| 1268 |
case 0x4a: ic->f = instr(bg_xcc); break; |
| 1269 |
case 0x4b: ic->f = instr(bge_xcc);break; |
| 1270 |
default:fatal("Unimplemented branch, 0x%x\n", |
| 1271 |
rd + (cc<<5)); |
| 1272 |
goto bad; |
| 1273 |
} |
| 1274 |
break; |
| 1275 |
|
| 1276 |
case 2: /* branch (32-bit integer comparison) */ |
| 1277 |
tmpi32 = (iword << 10); |
| 1278 |
tmpi32 >>= 8; |
| 1279 |
ic->arg[0] = (int32_t)tmpi32 + (addr & 0xffc); |
| 1280 |
/* rd contains the annul bit concatenated with 4 bits |
| 1281 |
of condition code: */ |
| 1282 |
/* TODO: samepage */ |
| 1283 |
switch (rd) { |
| 1284 |
case 0x01: ic->f = instr(be); break; |
| 1285 |
case 0x03: ic->f = instr(bl); break; |
| 1286 |
case 0x08: ic->f = instr(ba); break; |
| 1287 |
case 0x09: ic->f = instr(bne); break; |
| 1288 |
case 0x0b: ic->f = instr(bge); break; |
| 1289 |
default:fatal("Unimplemented branch rd=%i\n", rd); |
| 1290 |
goto bad; |
| 1291 |
} |
| 1292 |
break; |
| 1293 |
|
| 1294 |
case 3: /* branch on register, 64-bit integer comparison */ |
| 1295 |
tmpi32 = ((iword & 0x300000) >> 6) | (iword & 0x3fff); |
| 1296 |
tmpi32 <<= 16; |
| 1297 |
tmpi32 >>= 14; |
| 1298 |
ic->arg[0] = (int32_t)tmpi32 + (addr & 0xffc); |
| 1299 |
ic->arg[1] = (size_t)&cpu->cd.sparc.r[rs1]; |
| 1300 |
/* TODO: samepage */ |
| 1301 |
switch (btype) { |
| 1302 |
case 0x05: ic->f = instr(brnz); break; |
| 1303 |
default:fatal("Unimplemented branch 0x%x\n", rd); |
| 1304 |
goto bad; |
| 1305 |
} |
| 1306 |
break; |
| 1307 |
|
| 1308 |
case 4: /* sethi */ |
| 1309 |
ic->arg[0] = (size_t)&cpu->cd.sparc.r[rd]; |
| 1310 |
ic->arg[1] = (iword & 0x3fffff) << 10; |
| 1311 |
ic->f = instr(set); |
| 1312 |
if (rd == SPARC_ZEROREG) |
| 1313 |
ic->f = instr(nop); |
| 1314 |
break; |
| 1315 |
|
| 1316 |
default:fatal("TODO: unimplemented op2=%i for main " |
| 1317 |
"opcode %i\n", op2, main_opcode); |
| 1318 |
goto bad; |
| 1319 |
} |
| 1320 |
break; |
| 1321 |
|
| 1322 |
case 1: /* call and link */ |
| 1323 |
tmpi32 = (iword << 2); |
| 1324 |
ic->arg[0] = (int32_t)tmpi32; |
| 1325 |
ic->arg[1] = addr & 0xffc; |
| 1326 |
if (cpu->machine->show_trace_tree) |
| 1327 |
ic->f = instr(call_trace); |
| 1328 |
else |
| 1329 |
ic->f = instr(call); |
| 1330 |
/* TODO: samepage */ |
| 1331 |
break; |
| 1332 |
|
| 1333 |
case 2: switch (op2) { |
| 1334 |
|
| 1335 |
case 0: /* add */ |
| 1336 |
case 1: /* and */ |
| 1337 |
case 2: /* or */ |
| 1338 |
case 3: /* xor */ |
| 1339 |
case 4: /* sub */ |
| 1340 |
case 5: /* andn */ |
| 1341 |
case 14:/* udiv */ |
| 1342 |
case 16:/* addcc */ |
| 1343 |
case 17:/* andcc */ |
| 1344 |
case 20:/* subcc (cmp) */ |
| 1345 |
case 37:/* sll */ |
| 1346 |
case 38:/* srl */ |
| 1347 |
case 39:/* sra */ |
| 1348 |
case 60:/* save */ |
| 1349 |
ic->arg[0] = (size_t)&cpu->cd.sparc.r[rs1]; |
| 1350 |
ic->f = NULL; |
| 1351 |
if (use_imm) { |
| 1352 |
ic->arg[1] = siconst; |
| 1353 |
switch (op2) { |
| 1354 |
case 0: ic->f = instr(add_imm); break; |
| 1355 |
case 1: ic->f = instr(and_imm); break; |
| 1356 |
case 2: ic->f = instr(or_imm); break; |
| 1357 |
case 3: ic->f = instr(xor_imm); break; |
| 1358 |
case 4: ic->f = instr(sub_imm); break; |
| 1359 |
case 5: ic->f = instr(andn_imm); break; |
| 1360 |
case 14:ic->f = instr(udiv_imm); break; |
| 1361 |
case 16:ic->f = instr(addcc_imm); break; |
| 1362 |
case 17:ic->f = instr(andcc_imm); break; |
| 1363 |
case 20:ic->f = instr(subcc_imm); break; |
| 1364 |
case 37:if (siconst & 0x1000) { |
| 1365 |
ic->f = instr(sllx_imm); |
| 1366 |
ic->arg[1] &= 63; |
| 1367 |
x64 = 1; |
| 1368 |
} else { |
| 1369 |
ic->f = instr(sll_imm); |
| 1370 |
ic->arg[1] &= 31; |
| 1371 |
} |
| 1372 |
break; |
| 1373 |
case 38:if (siconst & 0x1000) { |
| 1374 |
ic->f = instr(srlx_imm); |
| 1375 |
ic->arg[1] &= 63; |
| 1376 |
x64 = 1; |
| 1377 |
} else { |
| 1378 |
ic->f = instr(srl_imm); |
| 1379 |
ic->arg[1] &= 31; |
| 1380 |
} |
| 1381 |
break; |
| 1382 |
case 39:if (siconst & 0x1000) { |
| 1383 |
ic->f = instr(srax_imm); |
| 1384 |
ic->arg[1] &= 63; |
| 1385 |
x64 = 1; |
| 1386 |
} else { |
| 1387 |
ic->f = instr(sra_imm); |
| 1388 |
ic->arg[1] &= 31; |
| 1389 |
} |
| 1390 |
break; |
| 1391 |
case 60:switch (cpu->cd.sparc.cpu_type.v) { |
| 1392 |
case 9: ic->f = instr(save_v9_imm); |
| 1393 |
break; |
| 1394 |
default:fatal("only for v9 so far\n"); |
| 1395 |
goto bad; |
| 1396 |
} |
| 1397 |
} |
| 1398 |
} else { |
| 1399 |
ic->arg[1] = (size_t)&cpu->cd.sparc.r[rs2]; |
| 1400 |
switch (op2) { |
| 1401 |
case 0: ic->f = instr(add); break; |
| 1402 |
case 1: ic->f = instr(and); break; |
| 1403 |
case 2: ic->f = instr(or); break; |
| 1404 |
case 3: ic->f = instr(xor); break; |
| 1405 |
case 4: ic->f = instr(sub); break; |
| 1406 |
case 5: ic->f = instr(andn); break; |
| 1407 |
case 14:ic->f = instr(udiv); break; |
| 1408 |
case 16:ic->f = instr(addcc); break; |
| 1409 |
case 17:ic->f = instr(andcc); break; |
| 1410 |
case 20:ic->f = instr(subcc); break; |
| 1411 |
case 37:if (siconst & 0x1000) { |
| 1412 |
ic->f = instr(sllx); |
| 1413 |
x64 = 1; |
| 1414 |
} else |
| 1415 |
ic->f = instr(sll); |
| 1416 |
break; |
| 1417 |
case 38:if (siconst & 0x1000) { |
| 1418 |
ic->f = instr(srlx); |
| 1419 |
x64 = 1; |
| 1420 |
} else |
| 1421 |
ic->f = instr(srl); |
| 1422 |
break; |
| 1423 |
case 39:if (siconst & 0x1000) { |
| 1424 |
ic->f = instr(srax); |
| 1425 |
x64 = 1; |
| 1426 |
} else |
| 1427 |
ic->f = instr(sra); |
| 1428 |
break; |
| 1429 |
} |
| 1430 |
} |
| 1431 |
if (ic->f == NULL) { |
| 1432 |
fatal("TODO: Unimplemented instruction " |
| 1433 |
"(possibly missed use_imm impl.)\n"); |
| 1434 |
goto bad; |
| 1435 |
} |
| 1436 |
ic->arg[2] = (size_t)&cpu->cd.sparc.r[rd]; |
| 1437 |
if (rd == SPARC_ZEROREG) { |
| 1438 |
/* |
| 1439 |
* Some opcodes should write to the scratch |
| 1440 |
* register instead of becoming NOPs, when |
| 1441 |
* rd is the zero register. |
| 1442 |
* |
| 1443 |
* Any opcode which updates the condition |
| 1444 |
* codes, or anything which changes register |
| 1445 |
* windows. |
| 1446 |
*/ |
| 1447 |
switch (op2) { |
| 1448 |
case 16:/* addcc */ |
| 1449 |
case 17:/* andcc */ |
| 1450 |
case 20:/* subcc */ |
| 1451 |
case 60:/* save */ |
| 1452 |
ic->arg[2] = (size_t) |
| 1453 |
&cpu->cd.sparc.scratch; |
| 1454 |
break; |
| 1455 |
default:ic->f = instr(nop); |
| 1456 |
} |
| 1457 |
} |
| 1458 |
break; |
| 1459 |
|
| 1460 |
case 41:/* rd %psr,%gpr on pre-sparcv9 */ |
| 1461 |
if (cpu->is_32bit) { |
| 1462 |
ic->f = instr(rd_psr); |
| 1463 |
ic->arg[2] = (size_t)&cpu->cd.sparc.r[rd]; |
| 1464 |
if (rd == SPARC_ZEROREG) |
| 1465 |
ic->f = instr(nop); |
| 1466 |
} else { |
| 1467 |
fatal("opcode 2,41 not yet implemented" |
| 1468 |
" for 64-bit cpus\n"); |
| 1469 |
goto bad; |
| 1470 |
} |
| 1471 |
break; |
| 1472 |
|
| 1473 |
case 42:/* rdpr on sparcv9 */ |
| 1474 |
if (cpu->is_32bit) { |
| 1475 |
fatal("opcode 2,42 not yet implemented" |
| 1476 |
" for 32-bit cpus\n"); |
| 1477 |
goto bad; |
| 1478 |
} |
| 1479 |
ic->arg[2] = (size_t)&cpu->cd.sparc.r[rd]; |
| 1480 |
if (rd == SPARC_ZEROREG) |
| 1481 |
ic->f = instr(nop); |
| 1482 |
switch (rs1) { |
| 1483 |
case 5: ic->f = instr(rdpr_tba); break; |
| 1484 |
case 31: ic->f = instr(rdpr_ver); break; |
| 1485 |
default:fatal("Unimplemented rs1=%i\n", rs1); |
| 1486 |
goto bad; |
| 1487 |
} |
| 1488 |
break; |
| 1489 |
|
| 1490 |
case 43:if (iword == 0x81580000) { |
| 1491 |
ic->f = instr(flushw); |
| 1492 |
} else { |
| 1493 |
fatal("Unimplemented iword=0x%08"PRIx32"\n", |
| 1494 |
iword); |
| 1495 |
goto bad; |
| 1496 |
} |
| 1497 |
break; |
| 1498 |
|
| 1499 |
case 48:/* wr (Note: works as xor) */ |
| 1500 |
ic->arg[0] = (size_t)&cpu->cd.sparc.r[rs1]; |
| 1501 |
if (use_imm) { |
| 1502 |
ic->arg[1] = siconst; |
| 1503 |
ic->f = instr(xor_imm); |
| 1504 |
} else { |
| 1505 |
ic->arg[1] = (size_t)&cpu->cd.sparc.r[rs2]; |
| 1506 |
ic->f = instr(xor); |
| 1507 |
} |
| 1508 |
ic->arg[2] = (size_t) NULL; |
| 1509 |
switch (rd) { |
| 1510 |
case 0: ic->arg[2] = (size_t)&cpu->cd.sparc.y; |
| 1511 |
break; |
| 1512 |
case 6: ic->arg[2] = (size_t)&cpu->cd.sparc.fprs; |
| 1513 |
break; |
| 1514 |
case 0x17: |
| 1515 |
ic->arg[2] = (size_t)&cpu->cd.sparc.tick_cmpr; |
| 1516 |
break; |
| 1517 |
} |
| 1518 |
if (ic->arg[2] == (size_t)NULL) { |
| 1519 |
fatal("TODO: Unimplemented wr instruction, " |
| 1520 |
"rd = 0x%02x\n", rd); |
| 1521 |
goto bad; |
| 1522 |
} |
| 1523 |
break; |
| 1524 |
|
| 1525 |
case 50:/* wrpr (Note: works as xor) */ |
| 1526 |
ic->arg[0] = (size_t)&cpu->cd.sparc.r[rs1]; |
| 1527 |
ic->f = NULL; |
| 1528 |
if (use_imm) { |
| 1529 |
ic->arg[1] = siconst; |
| 1530 |
switch (rd) { |
| 1531 |
case 4: ic->f = instr(wrpr_tick_imm); break; |
| 1532 |
case 6: ic->f = instr(wrpr_pstate_imm); break; |
| 1533 |
case 8: ic->f = instr(wrpr_pil_imm); break; |
| 1534 |
case 12:ic->f = instr(wrpr_cleanwin_imm);break; |
| 1535 |
} |
| 1536 |
} else { |
| 1537 |
ic->arg[1] = (size_t)&cpu->cd.sparc.r[rs2]; |
| 1538 |
switch (rd) { |
| 1539 |
case 4: ic->f = instr(wrpr_tick); break; |
| 1540 |
case 6: ic->f = instr(wrpr_pstate); break; |
| 1541 |
case 8: ic->f = instr(wrpr_pil); break; |
| 1542 |
case 12:ic->f = instr(wrpr_cleanwin); break; |
| 1543 |
} |
| 1544 |
} |
| 1545 |
if (ic->f == NULL) { |
| 1546 |
fatal("TODO: Unimplemented wrpr instruction," |
| 1547 |
" rd = 0x%02x\n", rd); |
| 1548 |
goto bad; |
| 1549 |
} |
| 1550 |
break; |
| 1551 |
|
| 1552 |
case 56:/* jump and link */ |
| 1553 |
ic->arg[0] = (size_t)&cpu->cd.sparc.r[rs1]; |
| 1554 |
ic->arg[2] = (size_t)&cpu->cd.sparc.r[rd]; |
| 1555 |
if (rd == SPARC_ZEROREG) |
| 1556 |
ic->arg[2] = (size_t)&cpu->cd.sparc.scratch; |
| 1557 |
|
| 1558 |
if (use_imm) { |
| 1559 |
ic->arg[1] = siconst; |
| 1560 |
if (rd == SPARC_ZEROREG) |
| 1561 |
ic->f = instr(jmpl_imm_no_rd); |
| 1562 |
else |
| 1563 |
ic->f = instr(jmpl_imm); |
| 1564 |
} else { |
| 1565 |
ic->arg[1] = (size_t)&cpu->cd.sparc.r[rs2]; |
| 1566 |
if (rd == SPARC_ZEROREG) |
| 1567 |
ic->f = instr(jmpl_reg_no_rd); |
| 1568 |
else |
| 1569 |
ic->f = instr(jmpl_reg); |
| 1570 |
} |
| 1571 |
|
| 1572 |
/* special trace case: */ |
| 1573 |
if (cpu->machine->show_trace_tree) { |
| 1574 |
if (iword == 0x81c3e008) |
| 1575 |
ic->f = instr(retl_trace); |
| 1576 |
else { |
| 1577 |
if (use_imm) |
| 1578 |
ic->f = instr(jmpl_imm_trace); |
| 1579 |
else |
| 1580 |
ic->f = instr(jmpl_reg_trace); |
| 1581 |
} |
| 1582 |
} |
| 1583 |
break; |
| 1584 |
|
| 1585 |
case 57:/* return */ |
| 1586 |
ic->arg[0] = (size_t)&cpu->cd.sparc.r[rs1]; |
| 1587 |
|
| 1588 |
if (use_imm) { |
| 1589 |
ic->arg[1] = siconst; |
| 1590 |
ic->f = instr(return_imm); |
| 1591 |
} else { |
| 1592 |
ic->arg[1] = (size_t)&cpu->cd.sparc.r[rs2]; |
| 1593 |
ic->f = instr(return_reg); |
| 1594 |
} |
| 1595 |
|
| 1596 |
/* special trace case: */ |
| 1597 |
if (cpu->machine->show_trace_tree) { |
| 1598 |
if (use_imm) |
| 1599 |
ic->f = instr(return_imm_trace); |
| 1600 |
else |
| 1601 |
ic->f = instr(return_reg_trace); |
| 1602 |
} |
| 1603 |
break; |
| 1604 |
|
| 1605 |
default:fatal("TODO: unimplemented op2=%i for main " |
| 1606 |
"opcode %i\n", op2, main_opcode); |
| 1607 |
goto bad; |
| 1608 |
} |
| 1609 |
break; |
| 1610 |
|
| 1611 |
case 3: switch (op2) { |
| 1612 |
|
| 1613 |
case 0:/* lduw */ |
| 1614 |
case 1:/* ldub */ |
| 1615 |
case 2:/* lduh */ |
| 1616 |
case 4:/* st(w) */ |
| 1617 |
case 5:/* stb */ |
| 1618 |
case 6:/* sth */ |
| 1619 |
case 8:/* ldsw */ |
| 1620 |
case 9:/* ldsb */ |
| 1621 |
case 10:/* ldsh */ |
| 1622 |
case 11:/* ldx */ |
| 1623 |
case 14:/* stx */ |
| 1624 |
store = 1; signedness = 0; size = 3; |
| 1625 |
switch (op2) { |
| 1626 |
case 0: /* lduw */ store=0; size=2; break; |
| 1627 |
case 1: /* ldub */ store=0; size=0; break; |
| 1628 |
case 2: /* lduh */ store=0; size=1; break; |
| 1629 |
case 4: /* st */ size = 2; break; |
| 1630 |
case 5: /* stb */ size = 0; break; |
| 1631 |
case 6: /* sth */ size = 1; break; |
| 1632 |
case 8: /* ldsw */ store=0; size=2; signedness=1; |
| 1633 |
break; |
| 1634 |
case 9: /* ldsb */ store=0; size=0; signedness=1; |
| 1635 |
break; |
| 1636 |
case 10: /* ldsh */ store=0; size=1; signedness=1; |
| 1637 |
break; |
| 1638 |
case 11: /* ldx */ store=0; break; |
| 1639 |
case 14: /* stx */ break; |
| 1640 |
} |
| 1641 |
ic->f = |
| 1642 |
#ifdef MODE32 |
| 1643 |
sparc32_loadstore |
| 1644 |
#else |
| 1645 |
sparc_loadstore |
| 1646 |
#endif |
| 1647 |
[ use_imm*16 + store*8 + size*2 + signedness ]; |
| 1648 |
|
| 1649 |
ic->arg[0] = (size_t)&cpu->cd.sparc.r[rd]; |
| 1650 |
ic->arg[1] = (size_t)&cpu->cd.sparc.r[rs1]; |
| 1651 |
if (use_imm) |
| 1652 |
ic->arg[2] = siconst; |
| 1653 |
else |
| 1654 |
ic->arg[2] = (size_t)&cpu->cd.sparc.r[rs2]; |
| 1655 |
|
| 1656 |
if (!store && rd == SPARC_ZEROREG) |
| 1657 |
ic->arg[0] = (size_t)&cpu->cd.sparc.scratch; |
| 1658 |
|
| 1659 |
break; |
| 1660 |
|
| 1661 |
default:fatal("TODO: unimplemented op2=%i for main " |
| 1662 |
"opcode %i\n", op2, main_opcode); |
| 1663 |
goto bad; |
| 1664 |
} |
| 1665 |
break; |
| 1666 |
|
| 1667 |
} |
| 1668 |
|
| 1669 |
|
| 1670 |
if (x64 && cpu->is_32bit) { |
| 1671 |
fatal("TODO: 64-bit instr on 32-bit cpu\n"); |
| 1672 |
goto bad; |
| 1673 |
} |
| 1674 |
|
| 1675 |
|
| 1676 |
#define DYNTRANS_TO_BE_TRANSLATED_TAIL |
| 1677 |
#include "cpu_dyntrans.c" |
| 1678 |
#undef DYNTRANS_TO_BE_TRANSLATED_TAIL |
| 1679 |
} |
| 1680 |
|
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