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/* |
/* |
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* Copyright (C) 2005-2006 Anders Gavare. All rights reserved. |
* 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 |
* 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: |
* modification, are permitted provided that the following conditions are met: |
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* SUCH DAMAGE. |
* SUCH DAMAGE. |
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* |
* |
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* |
* |
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* $Id: cpu_sh.c,v 1.53 2006/10/31 11:07:05 debug Exp $ |
* $Id: cpu_sh.c,v 1.72 2007/04/28 09:44:35 debug Exp $ |
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* |
* |
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* Hitachi SuperH ("SH") CPU emulation. |
* Hitachi SuperH ("SH") CPU emulation. |
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* |
* |
42 |
#include "cpu.h" |
#include "cpu.h" |
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#include "device.h" |
#include "device.h" |
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#include "float_emul.h" |
#include "float_emul.h" |
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|
#include "interrupt.h" |
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#include "machine.h" |
#include "machine.h" |
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#include "memory.h" |
#include "memory.h" |
48 |
#include "misc.h" |
#include "misc.h" |
133 |
CPU_SETTINGS_ADD_REGISTER32("gbr", cpu->cd.sh.gbr); |
CPU_SETTINGS_ADD_REGISTER32("gbr", cpu->cd.sh.gbr); |
134 |
CPU_SETTINGS_ADD_REGISTER32("macl", cpu->cd.sh.macl); |
CPU_SETTINGS_ADD_REGISTER32("macl", cpu->cd.sh.macl); |
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CPU_SETTINGS_ADD_REGISTER32("mach", cpu->cd.sh.mach); |
CPU_SETTINGS_ADD_REGISTER32("mach", cpu->cd.sh.mach); |
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CPU_SETTINGS_ADD_REGISTER32("expevt", cpu->cd.sh.expevt); |
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CPU_SETTINGS_ADD_REGISTER32("intevt", cpu->cd.sh.intevt); |
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CPU_SETTINGS_ADD_REGISTER32("tra", cpu->cd.sh.tra); |
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CPU_SETTINGS_ADD_REGISTER32("fpscr", cpu->cd.sh.fpscr); |
CPU_SETTINGS_ADD_REGISTER32("fpscr", cpu->cd.sh.fpscr); |
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CPU_SETTINGS_ADD_REGISTER32("fpul", cpu->cd.sh.fpul); |
CPU_SETTINGS_ADD_REGISTER32("fpul", cpu->cd.sh.fpul); |
141 |
for (i=0; i<SH_N_GPRS; i++) { |
for (i=0; i<SH_N_GPRS; i++) { |
170 |
CPU_SETTINGS_ADD_REGISTER32(tmpstr, cpu->cd.sh.utlb_lo[i]); |
CPU_SETTINGS_ADD_REGISTER32(tmpstr, cpu->cd.sh.utlb_lo[i]); |
171 |
} |
} |
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/* Register the CPU's interrupts: */ |
174 |
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for (i=SH_INTEVT_NMI; i<0x1000; i+=0x20) { |
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struct interrupt template; |
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char name[100]; |
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snprintf(name, sizeof(name), "%s.irq[0x%x]", cpu->path, i); |
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memset(&template, 0, sizeof(template)); |
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template.line = i; |
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template.name = name; |
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template.extra = cpu; |
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template.interrupt_assert = sh_cpu_interrupt_assert; |
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template.interrupt_deassert = sh_cpu_interrupt_deassert; |
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interrupt_handler_register(&template); |
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} |
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|
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/* SH4-specific memory mapped registers, TLBs, caches, etc: */ |
/* SH4-specific memory mapped registers, TLBs, caches, etc: */ |
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if (cpu->cd.sh.cpu_type.arch == 4) |
if (cpu->cd.sh.cpu_type.arch == 4) { |
189 |
device_add(machine, "sh4"); |
cpu->cd.sh.pcic_pcibus = device_add(machine, "sh4"); |
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/* |
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* Interrupt Controller initial values, according to the |
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* SH7760 manual: |
194 |
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*/ |
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cpu->cd.sh.intc_iprd = 0xda74; |
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cpu->cd.sh.intc_intmsk00 = 0xf3ff7fff; |
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cpu->cd.sh.intc_intmsk04 = 0x00ffffff; |
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/* All others are zero. */ |
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/* TODO: Initial priorities? */ |
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cpu->cd.sh.intc_intpri00 = 0x33333333; |
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cpu->cd.sh.intc_intpri04 = 0x33333333; |
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cpu->cd.sh.intc_intpri08 = 0x33333333; |
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cpu->cd.sh.intc_intpri0c = 0x33333333; |
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} |
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sh_update_interrupt_priorities(cpu); |
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return 1; |
return 1; |
210 |
} |
} |
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/* |
/* |
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* sh_update_interrupt_priorities(): |
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* |
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* SH interrupts are a bit complicated; there are several intc registers |
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* controlling priorities for various peripherals: |
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* |
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* Register: Bits 15..12 11..8 7..4 3..0 |
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* --------- ----------- ----- ---- ---- |
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* ipra TMU0 TMU1 TMU2 Reserved |
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* iprb WDT REF Reserved Reserved |
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* iprc GPIO DMAC Reserved H-UDI |
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* iprd IRL0 IRL1 IRL2 IRL3 |
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* |
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* Register: 31..28 27..24 23..20 19..16 15..12 11..8 7..4 3..0 |
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* --------- ------ ------ ------ ------ ------ ----- ---- ---- |
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* intpri00 IRQ4 IRQ5 IRQ6 IRQ7 Rsrvd. Rsrvd. Rsrvd. Reserved |
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* intpri04 HCAN2,0 HCAN2,1 SSI(0) SSI(1) HAC(0) HAC(1) I2C(0) I2C(1) |
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* intpri08 USB LCDC DMABRG SCIF(0) SCIF(1) SCIF(2) SIM HSPI |
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* intpri0c Reserv. Reserv. MMCIF Reserv. MFI Rsrvd. ADC CMT |
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*/ |
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void sh_update_interrupt_priorities(struct cpu *cpu) |
234 |
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{ |
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int i; |
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/* |
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* Set priorities of known interrupts, without affecting the |
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* SH_INT_ASSERTED bit: |
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*/ |
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for (i=SH4_INTEVT_IRQ0; i<=SH4_INTEVT_IRQ14; i+=0x20) { |
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cpu->cd.sh.int_prio_and_pending[i/0x20] &= ~SH_INT_PRIO_MASK; |
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cpu->cd.sh.int_prio_and_pending[i/0x20] |= (15 - ((i - |
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SH4_INTEVT_IRQ0) / 0x20)); |
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} |
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cpu->cd.sh.int_prio_and_pending[SH_INTEVT_TMU0_TUNI0 / 0x20] &= |
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~SH_INT_PRIO_MASK; |
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cpu->cd.sh.int_prio_and_pending[SH_INTEVT_TMU0_TUNI0 / 0x20] |= |
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(cpu->cd.sh.intc_ipra >> 12) & 0xf; |
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cpu->cd.sh.int_prio_and_pending[SH_INTEVT_TMU1_TUNI1 / 0x20] &= |
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~SH_INT_PRIO_MASK; |
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cpu->cd.sh.int_prio_and_pending[SH_INTEVT_TMU1_TUNI1 / 0x20] |= |
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(cpu->cd.sh.intc_ipra >> 8) & 0xf; |
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cpu->cd.sh.int_prio_and_pending[SH_INTEVT_TMU2_TUNI2 / 0x20] &= |
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~SH_INT_PRIO_MASK; |
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cpu->cd.sh.int_prio_and_pending[SH_INTEVT_TMU2_TUNI2 / 0x20] |= |
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(cpu->cd.sh.intc_ipra >> 4) & 0xf; |
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for (i=SH4_INTEVT_SCIF_ERI; i<=SH4_INTEVT_SCIF_TXI; i+=0x20) { |
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cpu->cd.sh.int_prio_and_pending[i/0x20] &= ~SH_INT_PRIO_MASK; |
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cpu->cd.sh.int_prio_and_pending[i/0x20] |= |
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((cpu->cd.sh.intc_intpri08 >> 16) & 0xf); |
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} |
268 |
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} |
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270 |
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271 |
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/* |
272 |
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* sh_cpu_interrupt_assert(): |
273 |
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*/ |
274 |
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void sh_cpu_interrupt_assert(struct interrupt *interrupt) |
275 |
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{ |
276 |
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struct cpu *cpu = interrupt->extra; |
277 |
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unsigned int irq_nr = interrupt->line; |
278 |
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unsigned int index = irq_nr / 0x20; |
279 |
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unsigned int prio; |
280 |
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281 |
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/* Assert the interrupt, and check its priority level: */ |
282 |
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cpu->cd.sh.int_prio_and_pending[index] |= SH_INT_ASSERTED; |
283 |
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prio = cpu->cd.sh.int_prio_and_pending[index] & SH_INT_PRIO_MASK; |
284 |
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285 |
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if (prio == 0) { |
286 |
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/* Interrupt not implemented? Hm. */ |
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fatal("[ SH interrupt 0x%x, prio 0 (?), aborting ]\n", irq_nr); |
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exit(1); |
289 |
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} |
290 |
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291 |
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if (cpu->cd.sh.int_to_assert == 0 || prio > cpu->cd.sh.int_level) { |
292 |
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cpu->cd.sh.int_to_assert = irq_nr; |
293 |
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cpu->cd.sh.int_level = prio; |
294 |
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} |
295 |
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} |
296 |
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297 |
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298 |
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/* |
299 |
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* sh_cpu_interrupt_deassert(): |
300 |
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*/ |
301 |
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void sh_cpu_interrupt_deassert(struct interrupt *interrupt) |
302 |
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{ |
303 |
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struct cpu *cpu = interrupt->extra; |
304 |
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int irq_nr = interrupt->line; |
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int index = irq_nr / 0x20; |
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/* Deassert the interrupt: */ |
308 |
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if (cpu->cd.sh.int_prio_and_pending[index] & SH_INT_ASSERTED) { |
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cpu->cd.sh.int_prio_and_pending[index] &= ~SH_INT_ASSERTED; |
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/* Calculate new interrupt assertion: */ |
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cpu->cd.sh.int_to_assert = 0; |
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cpu->cd.sh.int_level = 0; |
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/* NOTE/TODO: This is slow, but should hopefully work: */ |
316 |
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for (index=0; index<0x1000/0x20; index++) { |
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uint8_t x = cpu->cd.sh.int_prio_and_pending[index]; |
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uint8_t prio = x & SH_INT_PRIO_MASK; |
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if (x & SH_INT_ASSERTED && |
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prio > cpu->cd.sh.int_level) { |
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cpu->cd.sh.int_to_assert = index * 0x20; |
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cpu->cd.sh.int_level = prio; |
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} |
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} |
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} |
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} |
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/* |
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* sh_cpu_list_available_types(): |
* sh_cpu_list_available_types(): |
331 |
* |
* |
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* Print a list of available SH CPU types. |
* Print a list of available SH CPU types. |
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if (coprocs & 1) { |
if (coprocs & 1) { |
467 |
/* Floating point: */ |
/* Floating point: */ |
468 |
debug("cpu%i: fpscr = 0x%08"PRIx32" fpul = 0x%08"PRIx32 |
debug("cpu%i: fpscr = 0x%08"PRIx32" (%s,%s,%s) fpul = 0x%08" |
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"\n", x, cpu->cd.sh.fpscr, cpu->cd.sh.fpul); |
PRIx32"\n", x, cpu->cd.sh.fpscr, |
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cpu->cd.sh.fpscr & SH_FPSCR_PR? "PR" : "!pr", |
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cpu->cd.sh.fpscr & SH_FPSCR_SZ? "SZ" : "!sz", |
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cpu->cd.sh.fpscr & SH_FPSCR_FR? "FR" : "!fr", |
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cpu->cd.sh.fpul); |
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for (i=0; i<SH_N_FPRS; i++) { |
for (i=0; i<SH_N_FPRS; i++) { |
476 |
if ((i % 4) == 0) |
if ((i % 4) == 0) |
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546 |
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/* |
/* |
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* sh_cpu_gdb_stub(): |
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* |
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* Execute a "remote GDB" command. Returns a newly allocated response string |
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* on success, NULL on failure. |
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*/ |
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char *sh_cpu_gdb_stub(struct cpu *cpu, char *cmd) |
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{ |
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fatal("sh_cpu_gdb_stub(): TODO\n"); |
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return NULL; |
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} |
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/* |
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* sh_cpu_interrupt(): |
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* |
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* Note: This gives higher interrupt priority to lower number interrupts. |
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* Hopefully this is correct. |
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*/ |
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int sh_cpu_interrupt(struct cpu *cpu, uint64_t irq_nr) |
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{ |
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int word_index, bit_index; |
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if (cpu->cd.sh.int_to_assert == 0 || irq_nr < cpu->cd.sh.int_to_assert) |
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cpu->cd.sh.int_to_assert = irq_nr; |
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/* |
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* TODO: Keep track of all pending interrupts at multiple levels... |
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* |
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* This is just a quick hack: |
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*/ |
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cpu->cd.sh.int_level = 1; |
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if (irq_nr == SH_INTEVT_TMU0_TUNI0) |
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cpu->cd.sh.int_level = (cpu->cd.sh.intc_ipra >> 12) & 0xf; |
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if (irq_nr == SH_INTEVT_TMU1_TUNI1) |
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cpu->cd.sh.int_level = (cpu->cd.sh.intc_ipra >> 8) & 0xf; |
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if (irq_nr == SH_INTEVT_TMU2_TUNI2) |
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cpu->cd.sh.int_level = (cpu->cd.sh.intc_ipra >> 4) & 0xf; |
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if (irq_nr >= SH4_INTEVT_SCIF_ERI && |
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irq_nr <= SH4_INTEVT_SCIF_TXI) |
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cpu->cd.sh.int_level = (cpu->cd.sh.intc_iprc >> 4) & 0xf; |
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irq_nr /= 0x20; |
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word_index = irq_nr / (sizeof(uint32_t)*8); |
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bit_index = irq_nr & ((sizeof(uint32_t)*8) - 1); |
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cpu->cd.sh.int_pending[word_index] |= (1 << bit_index); |
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return 0; |
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} |
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/* |
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* sh_cpu_interrupt_ack(): |
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*/ |
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int sh_cpu_interrupt_ack(struct cpu *cpu, uint64_t irq_nr) |
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{ |
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int word_index, bit_index; |
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if (cpu->cd.sh.int_to_assert == irq_nr) { |
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/* |
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* Rescan all interrupts to see if any are still asserted. |
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* |
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* Note: The scan only has to go from irq_nr + 0x20 to the max |
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* index, since any lower interrupt cannot be asserted |
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* at this time. |
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*/ |
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int i, max = 0x1000; |
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cpu->cd.sh.int_to_assert = 0; |
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for (i=irq_nr+0x20; i<max; i+=0x20) { |
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int j = i / 0x20; |
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int word_index = j / (sizeof(uint32_t)*8); |
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int bit_index = j & ((sizeof(uint32_t)*8) - 1); |
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/* Skip entire word if no bits are set: */ |
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if (bit_index == 0 && |
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cpu->cd.sh.int_pending[word_index] == 0) |
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i += (sizeof(uint32_t)*8 - 1) * 0x20; |
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else if (cpu->cd.sh.int_pending[word_index] |
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& (1 << bit_index)) { |
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cpu->cd.sh.int_to_assert = i; |
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break; |
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} |
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} |
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} |
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irq_nr /= 0x20; |
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word_index = irq_nr / (sizeof(uint32_t)*8); |
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bit_index = irq_nr & ((sizeof(uint32_t)*8) - 1); |
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cpu->cd.sh.int_pending[word_index] &= ~(1 << bit_index); |
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return 0; |
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} |
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/* |
|
548 |
* sh_update_sr(): |
* sh_update_sr(): |
549 |
* |
* |
550 |
* Writes a new value to the status register. |
* Writes a new value to the status register. |
593 |
* |
* |
594 |
* Causes a transfer of control to an exception or interrupt handler. |
* Causes a transfer of control to an exception or interrupt handler. |
595 |
* If intevt > 0, then it is an interrupt, otherwise an exception. |
* If intevt > 0, then it is an interrupt, otherwise an exception. |
596 |
|
* |
597 |
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* vaddr contains the faulting address, on TLB exceptions. |
598 |
*/ |
*/ |
599 |
void sh_exception(struct cpu *cpu, int expevt, int intevt, uint32_t vaddr) |
void sh_exception(struct cpu *cpu, int expevt, int intevt, uint32_t vaddr) |
600 |
{ |
{ |
606 |
else |
else |
607 |
debug("[ exception 0x%03x", expevt); |
debug("[ exception 0x%03x", expevt); |
608 |
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609 |
debug(", pc=0x%08"PRIx32" ", (uint32_t)vaddr); |
debug(", pc=0x%08"PRIx32" ", (uint32_t)cpu->pc); |
610 |
if (intevt == 0) |
if (intevt == 0) |
611 |
debug("vaddr=0x%08"PRIx32" ", vaddr); |
debug("vaddr=0x%08"PRIx32" ", vaddr); |
612 |
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614 |
} |
} |
615 |
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616 |
if (cpu->cd.sh.sr & SH_SR_BL) { |
if (cpu->cd.sh.sr & SH_SR_BL) { |
617 |
fatal("sh_exception(): BL bit already set. TODO\n"); |
fatal("[ sh_exception(): BL bit already set. ]\n"); |
618 |
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|
619 |
/* This is actually OK in two cases: a User Break, |
/* This is actually OK in two cases: a User Break, |
620 |
or on NMI interrupts if a special flag is set? */ |
or on NMI interrupts if a special flag is set? */ |
639 |
cpu->pc -= sizeof(uint16_t); |
cpu->pc -= sizeof(uint16_t); |
640 |
} |
} |
641 |
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642 |
/* Stuff common to all exceptions: */ |
|
643 |
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/* |
644 |
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* Stuff common to all exceptions: |
645 |
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*/ |
646 |
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|
647 |
cpu->cd.sh.spc = cpu->pc; |
cpu->cd.sh.spc = cpu->pc; |
648 |
cpu->cd.sh.ssr = cpu->cd.sh.sr; |
cpu->cd.sh.ssr = cpu->cd.sh.sr; |
649 |
cpu->cd.sh.sgr = cpu->cd.sh.r[15]; |
cpu->cd.sh.sgr = cpu->cd.sh.r[15]; |
650 |
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|
651 |
if (intevt > 0) { |
if (intevt > 0) { |
652 |
cpu->cd.sh.intevt = intevt; |
cpu->cd.sh.intevt = intevt; |
653 |
expevt = -1; |
expevt = -1; |
654 |
} else |
} else { |
655 |
cpu->cd.sh.expevt = expevt; |
cpu->cd.sh.expevt = expevt; |
656 |
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} |
657 |
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658 |
sh_update_sr(cpu, cpu->cd.sh.sr | SH_SR_MD | SH_SR_RB | SH_SR_BL); |
sh_update_sr(cpu, cpu->cd.sh.sr | SH_SR_MD | SH_SR_RB | SH_SR_BL); |
659 |
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|
660 |
/* Most exceptions set PC to VBR + 0x100. */ |
/* Most exceptions set PC to VBR + 0x100. */ |
661 |
cpu->pc = vbr + 0x100; |
cpu->pc = vbr + 0x100; |
662 |
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663 |
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|
664 |
/* Specific cases: */ |
/* Specific cases: */ |
665 |
switch (expevt) { |
switch (expevt) { |
666 |
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|
687 |
break; |
break; |
688 |
|
|
689 |
case EXPEVT_TRAPA: |
case EXPEVT_TRAPA: |
690 |
/* Note: The TRA register is already set by the |
/* |
691 |
implementation of the trapa instruction. See |
* Note: The TRA register is already set by the implementation |
692 |
cpu_sh_instr.c. */ |
* of the trapa instruction. See cpu_sh_instr.c for details. |
693 |
|
* Here, spc is incremented, so that a return from the trap |
694 |
|
* handler transfers control to the instruction _following_ |
695 |
|
* the trapa. |
696 |
|
*/ |
697 |
cpu->cd.sh.spc += sizeof(uint16_t); |
cpu->cd.sh.spc += sizeof(uint16_t); |
698 |
break; |
break; |
699 |
|
|
700 |
|
case EXPEVT_RES_INST: |
701 |
|
/* |
702 |
|
* Note: Having this code here makes it possible to catch |
703 |
|
* reserved instructions; during normal instruction execution, |
704 |
|
* these are not very common. |
705 |
|
*/ |
706 |
|
#if 1 |
707 |
|
printf("\nRESERVED SuperH instruction at spc=%08"PRIx32"\n", |
708 |
|
cpu->cd.sh.spc); |
709 |
|
exit(1); |
710 |
|
#else |
711 |
|
break; |
712 |
|
#endif |
713 |
|
|
714 |
|
case EXPEVT_FPU_DISABLE: |
715 |
|
break; |
716 |
|
|
717 |
default:fatal("sh_exception(): exception 0x%x is not yet " |
default:fatal("sh_exception(): exception 0x%x is not yet " |
718 |
"implemented.\n", expevt); |
"implemented.\n", expevt); |
719 |
exit(1); |
exit(1); |
733 |
int sh_cpu_disassemble_instr_compact(struct cpu *cpu, unsigned char *instr, |
int sh_cpu_disassemble_instr_compact(struct cpu *cpu, unsigned char *instr, |
734 |
int running, uint64_t dumpaddr) |
int running, uint64_t dumpaddr) |
735 |
{ |
{ |
736 |
uint64_t addr; |
char *symbol; |
737 |
|
uint64_t offset, addr; |
738 |
uint16_t iword; |
uint16_t iword; |
739 |
int hi4, lo4, lo8, r8, r4; |
int hi4, lo4, lo8, r8, r4; |
740 |
|
|
757 |
debug("stc\tsr,r%i\n", r8); |
debug("stc\tsr,r%i\n", r8); |
758 |
else if (lo8 == 0x03) |
else if (lo8 == 0x03) |
759 |
debug("bsrf\tr%i\n", r8); |
debug("bsrf\tr%i\n", r8); |
760 |
else if (lo4 == 0x4) |
else if (lo4 >= 4 && lo4 <= 6) { |
761 |
debug("mov.b\tr%i,@(r0,r%i)\n", r4, r8); |
if (lo4 == 0x4) |
762 |
else if (lo4 == 0x5) |
debug("mov.b\tr%i,@(r0,r%i)", r4, r8); |
763 |
debug("mov.w\tr%i,@(r0,r%i)\n", r4, r8); |
else if (lo4 == 0x5) |
764 |
else if (lo4 == 0x6) |
debug("mov.w\tr%i,@(r0,r%i)", r4, r8); |
765 |
debug("mov.l\tr%i,@(r0,r%i)\n", r4, r8); |
else if (lo4 == 0x6) |
766 |
else if (lo4 == 0x7) |
debug("mov.l\tr%i,@(r0,r%i)", r4, r8); |
767 |
|
if (running) { |
768 |
|
uint32_t addr = cpu->cd.sh.r[0] + |
769 |
|
cpu->cd.sh.r[r8]; |
770 |
|
debug("\t; r0+r%i = ", r8); |
771 |
|
symbol = get_symbol_name( |
772 |
|
&cpu->machine->symbol_context, |
773 |
|
addr, &offset); |
774 |
|
if (symbol != NULL) |
775 |
|
debug("<%s>", symbol); |
776 |
|
else |
777 |
|
debug("0x%08"PRIx32, addr); |
778 |
|
} |
779 |
|
debug("\n"); |
780 |
|
} else if (lo4 == 0x7) |
781 |
debug("mul.l\tr%i,r%i\n", r4, r8); |
debug("mul.l\tr%i,r%i\n", r4, r8); |
782 |
else if (iword == 0x0008) |
else if (iword == 0x0008) |
783 |
debug("clrt\n"); |
debug("clrt\n"); |
787 |
debug("sts\tmach,r%i\n", r8); |
debug("sts\tmach,r%i\n", r8); |
788 |
else if (iword == 0x000b) |
else if (iword == 0x000b) |
789 |
debug("rts\n"); |
debug("rts\n"); |
790 |
else if (lo4 == 0xc) |
else if (lo4 >= 0xc && lo4 <= 0xe) { |
791 |
debug("mov.b\t@(r0,r%i),r%i\n", r4, r8); |
if (lo4 == 0xc) |
792 |
else if (lo4 == 0xd) |
debug("mov.b\t@(r0,r%i),r%i", r4, r8); |
793 |
debug("mov.w\t@(r0,r%i),r%i\n", r4, r8); |
else if (lo4 == 0xd) |
794 |
else if (lo4 == 0xe) |
debug("mov.w\t@(r0,r%i),r%i", r4, r8); |
795 |
debug("mov.l\t@(r0,r%i),r%i\n", r4, r8); |
else if (lo4 == 0xe) |
796 |
else if (lo8 == 0x12) |
debug("mov.l\t@(r0,r%i),r%i", r4, r8); |
797 |
|
if (running) { |
798 |
|
uint32_t addr = cpu->cd.sh.r[0] + |
799 |
|
cpu->cd.sh.r[r4]; |
800 |
|
debug("\t; r0+r%i = ", r4); |
801 |
|
symbol = get_symbol_name( |
802 |
|
&cpu->machine->symbol_context, |
803 |
|
addr, &offset); |
804 |
|
if (symbol != NULL) |
805 |
|
debug("<%s>", symbol); |
806 |
|
else |
807 |
|
debug("0x%08"PRIx32, addr); |
808 |
|
} |
809 |
|
debug("\n"); |
810 |
|
} else if (lo8 == 0x12) |
811 |
debug("stc\tgbr,r%i\n", r8); |
debug("stc\tgbr,r%i\n", r8); |
812 |
else if (iword == 0x0018) |
else if (iword == 0x0018) |
813 |
debug("sett\n"); |
debug("sett\n"); |
859 |
debug("movca.l\tr0,@r%i\n", r8); |
debug("movca.l\tr0,@r%i\n", r8); |
860 |
else if (lo8 == 0xfa) |
else if (lo8 == 0xfa) |
861 |
debug("stc\tdbr,r%i\n", r8); |
debug("stc\tdbr,r%i\n", r8); |
862 |
else if (iword == 0x00ff) |
else if (iword == SH_INVALID_INSTR) |
863 |
debug("gxemul_dreamcast_prom_emul\n"); |
debug("gxemul_dreamcast_prom_emul\n"); |
864 |
else |
else |
865 |
debug("UNIMPLEMENTED hi4=0x%x, lo8=0x%02x\n", hi4, lo8); |
debug("UNIMPLEMENTED hi4=0x%x, lo8=0x%02x\n", hi4, lo8); |
866 |
break; |
break; |
867 |
case 0x1: |
case 0x1: |
868 |
debug("mov.l\tr%i,@(%i,r%i)\n", r4, lo4 * 4, r8); |
debug("mov.l\tr%i,@(%i,r%i)", r4, lo4 * 4, r8); |
869 |
|
if (running) { |
870 |
|
uint32_t addr = cpu->cd.sh.r[r8] + lo4 * 4; |
871 |
|
debug("\t; r%i+%i = ", r8, lo4 * 4); |
872 |
|
symbol = get_symbol_name(&cpu->machine->symbol_context, |
873 |
|
addr, &offset); |
874 |
|
if (symbol != NULL) |
875 |
|
debug("<%s>", symbol); |
876 |
|
else |
877 |
|
debug("0x%08"PRIx32, addr); |
878 |
|
} |
879 |
|
debug("\n"); |
880 |
break; |
break; |
881 |
case 0x2: |
case 0x2: |
882 |
if (lo4 == 0x0) |
if (lo4 == 0x0) |
1021 |
debug("shlr16\tr%i\n", r8); |
debug("shlr16\tr%i\n", r8); |
1022 |
else if (lo8 == 0x2a) |
else if (lo8 == 0x2a) |
1023 |
debug("lds\tr%i,pr\n", r8); |
debug("lds\tr%i,pr\n", r8); |
1024 |
else if (lo8 == 0x2b) |
else if (lo8 == 0x2b) { |
1025 |
debug("jmp\t@r%i\n", r8); |
debug("jmp\t@r%i", r8); |
1026 |
else if (lo8 == 0x2e) |
if (running) { |
1027 |
|
symbol = get_symbol_name( |
1028 |
|
&cpu->machine->symbol_context, |
1029 |
|
cpu->cd.sh.r[r8], &offset); |
1030 |
|
if (symbol != NULL) |
1031 |
|
debug("\t\t; <%s>", symbol); |
1032 |
|
} |
1033 |
|
debug("\n"); |
1034 |
|
} else if (lo8 == 0x2e) |
1035 |
debug("ldc\tr%i,vbr\n", r8); |
debug("ldc\tr%i,vbr\n", r8); |
1036 |
else if (lo8 == 0x33) |
else if (lo8 == 0x33) |
1037 |
debug("stc.l\tssr,@-r%i\n", r8); |
debug("stc.l\tssr,@-r%i\n", r8); |
1069 |
debug("UNIMPLEMENTED hi4=0x%x, lo8=0x%02x\n", hi4, lo8); |
debug("UNIMPLEMENTED hi4=0x%x, lo8=0x%02x\n", hi4, lo8); |
1070 |
break; |
break; |
1071 |
case 0x5: |
case 0x5: |
1072 |
debug("mov.l\t@(%i,r%i),r%i\n", lo4 * 4, r4, r8); |
debug("mov.l\t@(%i,r%i),r%i", lo4 * 4, r4, r8); |
1073 |
|
if (running) { |
1074 |
|
debug("\t; r%i+%i = 0x%08"PRIx32, r4, lo4 * 4, |
1075 |
|
cpu->cd.sh.r[r4] + lo4 * 4); |
1076 |
|
} |
1077 |
|
debug("\n"); |
1078 |
break; |
break; |
1079 |
case 0x6: |
case 0x6: |
1080 |
if (lo4 == 0x0) |
if (lo4 == 0x0) |
1116 |
debug("add\t#%i,r%i\n", (int8_t)lo8, r8); |
debug("add\t#%i,r%i\n", (int8_t)lo8, r8); |
1117 |
break; |
break; |
1118 |
case 0x8: |
case 0x8: |
1119 |
if (r8 == 0x0) { |
if (r8 == 0 || r8 == 4) { |
1120 |
debug("mov.b\tr0,@(%i,r%i)\n", lo4, r4); |
if (r8 == 0x0) |
1121 |
} else if (r8 == 0x1) { |
debug("mov.b\tr0,@(%i,r%i)", lo4, r4); |
1122 |
debug("mov.w\tr0,@(%i,r%i)\n", lo4 * 2, r4); |
else if (r8 == 0x4) |
1123 |
} else if (r8 == 0x4) { |
debug("mov.b\t@(%i,r%i),r0", lo4, r4); |
1124 |
debug("mov.b\t@(%i,r%i),r0\n", lo4, r4); |
if (running) { |
1125 |
} else if (r8 == 0x5) { |
debug("\t; r%i+%i = 0x%08"PRIx32, r4, lo4, |
1126 |
debug("mov.w\t@(%i,r%i),r0\n", lo4 * 2, r4); |
cpu->cd.sh.r[r4] + lo4); |
1127 |
|
} |
1128 |
|
debug("\n"); |
1129 |
|
} else if (r8 == 1 || r8 == 5) { |
1130 |
|
if (r8 == 0x1) |
1131 |
|
debug("mov.w\tr0,@(%i,r%i)", lo4 * 2, r4); |
1132 |
|
else if (r8 == 0x5) |
1133 |
|
debug("mov.w\t@(%i,r%i),r0", lo4 * 2, r4); |
1134 |
|
if (running) { |
1135 |
|
debug("\t; r%i+%i = 0x%08"PRIx32, r4, lo4 * 2, |
1136 |
|
cpu->cd.sh.r[r4] + lo4 * 2); |
1137 |
|
} |
1138 |
|
debug("\n"); |
1139 |
} else if (r8 == 0x8) { |
} else if (r8 == 0x8) { |
1140 |
debug("cmp/eq\t#%i,r0\n", (int8_t)lo8); |
debug("cmp/eq\t#%i,r0\n", (int8_t)lo8); |
1141 |
} else if (r8 == 0x9 || r8 == 0xb || r8 == 0xd || r8 == 0xf) { |
} else if (r8 == 0x9 || r8 == 0xb || r8 == 0xd || r8 == 0xf) { |
1142 |
addr = (int8_t)lo8; |
addr = (int8_t)lo8; |
1143 |
addr = dumpaddr + 4 + (addr << 1); |
addr = dumpaddr + 4 + (addr << 1); |
1144 |
debug("b%s%s\t0x%x\n", |
debug("b%s%s\t0x%x", |
1145 |
(r8 == 0x9 || r8 == 0xd)? "t" : "f", |
(r8 == 0x9 || r8 == 0xd)? "t" : "f", |
1146 |
(r8 == 0x9 || r8 == 0xb)? "" : "/s", (int)addr); |
(r8 == 0x9 || r8 == 0xb)? "" : "/s", (int)addr); |
1147 |
|
symbol = get_symbol_name(&cpu->machine->symbol_context, |
1148 |
|
addr, &offset); |
1149 |
|
if (symbol != NULL) |
1150 |
|
debug("\t; <%s>", symbol); |
1151 |
|
debug("\n"); |
1152 |
} else |
} else |
1153 |
debug("UNIMPLEMENTED hi4=0x%x,0x%x\n", hi4, r8); |
debug("UNIMPLEMENTED hi4=0x%x,0x%x\n", hi4, r8); |
1154 |
break; |
break; |
1156 |
case 0xd: |
case 0xd: |
1157 |
addr = lo8 * (hi4==9? 2 : 4); |
addr = lo8 * (hi4==9? 2 : 4); |
1158 |
addr += (dumpaddr & ~(hi4==9? 1 : 3)) + 4; |
addr += (dumpaddr & ~(hi4==9? 1 : 3)) + 4; |
1159 |
debug("mov.%s\t0x%x,r%i\n", hi4==9? "w":"l", (int)addr, r8); |
debug("mov.%s\t0x%x,r%i", hi4==9? "w":"l", (int)addr, r8); |
1160 |
|
symbol = get_symbol_name(&cpu->machine->symbol_context, |
1161 |
|
addr, &offset); |
1162 |
|
if (symbol != NULL) |
1163 |
|
debug("\t; <%s>", symbol); |
1164 |
|
debug("\n"); |
1165 |
break; |
break; |
1166 |
case 0xa: |
case 0xa: |
1167 |
case 0xb: |
case 0xb: |
1168 |
addr = (int32_t)(int16_t)((iword & 0xfff) << 4); |
addr = (int32_t)(int16_t)((iword & 0xfff) << 4); |
1169 |
addr = ((int32_t)addr >> 3); |
addr = ((int32_t)addr >> 3); |
1170 |
addr += dumpaddr + 4; |
addr += dumpaddr + 4; |
1171 |
debug("%s\t0x%x\n", hi4==0xa? "bra":"bsr", (int)addr); |
debug("%s\t0x%x", hi4==0xa? "bra":"bsr", (int)addr); |
1172 |
|
|
1173 |
|
symbol = get_symbol_name(&cpu->machine->symbol_context, |
1174 |
|
addr, &offset); |
1175 |
|
if (symbol != NULL) |
1176 |
|
debug("\t; <%s>", symbol); |
1177 |
|
debug("\n"); |
1178 |
break; |
break; |
1179 |
case 0xc: |
case 0xc: |
1180 |
if (r8 == 0x0) |
if (r8 == 0x0) |
1314 |
debug("fldi0\tfr%i\n", r8); |
debug("fldi0\tfr%i\n", r8); |
1315 |
else if (lo8 == 0x9d) |
else if (lo8 == 0x9d) |
1316 |
debug("fldi1\tfr%i\n", r8); |
debug("fldi1\tfr%i\n", r8); |
1317 |
|
else if (lo8 == 0xad) |
1318 |
|
debug("fcnvsd\tfpul,dr%i\n", r8); |
1319 |
|
else if (lo8 == 0xbd) |
1320 |
|
debug("fcnvds\tdr%i,fpul\n", r8); |
1321 |
else if ((iword & 0x01ff) == 0x00fd) |
else if ((iword & 0x01ff) == 0x00fd) |
1322 |
debug("fsca\tfpul,dr%i\n", r8); |
debug("fsca\tfpul,dr%i\n", r8); |
1323 |
else if (iword == 0xf3fd) |
else if (iword == 0xf3fd) |