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DSPLLE Take 2 in getting rid of exception hack. 

This time zelda seems to work and mails seems to pass between CPU and SPU
Very similar to the ones from HLE 


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3680 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
nakeee 2009-07-05 13:07:38 +00:00
parent df3abc6a2a
commit 96429cf752
4 changed files with 71 additions and 26 deletions
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50
Source/Core/DSPCore/Src/DSPCore.cpp
View File

@ -145,6 +145,7 @@ void DSPCore_Reset()
g_dsp.r[DSP_REG_WR1] = 0xffff;
g_dsp.r[DSP_REG_WR2] = 0xffff;
g_dsp.r[DSP_REG_WR3] = 0xffff;
}
void DSPCore_SetException(u8 level)
@ -157,8 +158,14 @@ void DSPCore_CheckExternalInterrupt()
// check if there is an external interrupt
if (g_dsp.cr & CR_EXTERNAL_INT)
{
if (dsp_SR_is_flag_set(SR_EXT_INT_ENABLE) && (g_dsp.exception_in_progress_hack == false))
#ifdef DEBUG_EXP
NOTICE_LOG(DSPLLE, "trying External interupt fired");
#endif
if (dsp_SR_is_flag_set(SR_EXT_INT_ENABLE))
{
#ifdef DEBUG_EXP
NOTICE_LOG(DSPLLE, "External interupt fired");
#endif
// level 7 is the interrupt exception
DSPCore_SetException(EXP_INT);
@ -167,25 +174,30 @@ void DSPCore_CheckExternalInterrupt()
}
}
void DSPCore_CheckExceptions()
void DSPCore_CheckExceptions()
{
// check exceptions
if ((g_dsp.exceptions != 0) && (!g_dsp.exception_in_progress_hack))
{
for (int i = 0; i < 8; i++)
{
if (g_dsp.exceptions & (1 << i))
{
_assert_msg_(MASTER_LOG, !g_dsp.exception_in_progress_hack, "assert while exception");
dsp_reg_store_stack(DSP_STACK_C, g_dsp.pc);
dsp_reg_store_stack(DSP_STACK_D, g_dsp.r[DSP_REG_SR]);
g_dsp.pc = i * 2;
g_dsp.exceptions &= ~(1 << i);
g_dsp.exception_in_progress_hack = true;
break;
if (g_dsp.exceptions != 0) {
#ifdef DEBUG_EXP
NOTICE_LOG(DSPLLE, "trying exception %d fired", g_dsp.exceptions);
#endif
// check exceptions
for (int i = 0; i < 8; i++) {
// Seems 7 must pass or zelda dies
if (dsp_SR_is_flag_set(SR_INT_ENABLE) || i == EXP_INT) {
if (g_dsp.exceptions & (1 << i)) {
_assert_msg_(MASTER_LOG, !g_dsp.exception_in_progress_hack, "assert while exception");
dsp_reg_store_stack(DSP_STACK_C, g_dsp.pc);
dsp_reg_store_stack(DSP_STACK_D, g_dsp.r[DSP_REG_SR]);
g_dsp.pc = i * 2;
g_dsp.exceptions &= ~(1 << i);
#ifdef DEBUG_EXP
NOTICE_LOG(DSPLLE, "exception %d fired");
#endif
g_dsp.exception_in_progress_hack = true;
break;
}
}
}
}

43
Source/Core/DSPCore/Src/DSPHWInterface.cpp
View File

@ -87,12 +87,19 @@ void gdsp_mbox_write_l(u8 mbx, u16 val)
if (DSPHost_OnThread())
g_CriticalSection.Leave();
#ifdef DEBUG_EXP
if (mbx == GDSP_MBOX_DSP)
{
DEBUG_LOG(DSPLLE, " - DSP writes mail to mbx %i: 0x%08x (pc=0x%04x)", mbx, gdsp_mbox_peek(GDSP_MBOX_DSP), g_dsp.pc);
NOTICE_LOG(DSPLLE, " - DSP writes mail to mbx low %i: 0x%08x (pc=0x%04x)", mbx, gdsp_mbox_peek(GDSP_MBOX_DSP), g_dsp.pc);
//DSPHost_InterruptRequest();
//DSPCore_SetException(EXP_INT);
} else {
// Trigger exception?
NOTICE_LOG(DSPLLE, " - CPU writes mail to mbx low %i: 0x%08x (pc=0x%04x)", mbx, gdsp_mbox_peek(GDSP_MBOX_CPU), g_dsp.pc);
// DSPHost_InterruptRequest();
// DSPCore_SetException(EXP_INT);
}
#endif
}
@ -110,10 +117,23 @@ u16 gdsp_mbox_read_l(u8 mbx)
u16 val = gdsp_mbox[mbx][1];
gdsp_mbox[mbx][0] &= ~0x8000;
DEBUG_LOG(DSPLLE, "- DSP reads mail from mbx %i: %08x (pc=0x%04x)", mbx, gdsp_mbox_peek(mbx), g_dsp.pc);
if (DSPHost_OnThread())
g_CriticalSection.Leave();
#ifdef DEBUG_EXP
if (mbx == GDSP_MBOX_DSP)
{
NOTICE_LOG(DSPLLE, "- DSP reads mail from mbx %i: %08x (pc=0x%04x)", mbx, gdsp_mbox_peek(mbx), g_dsp.pc);
// DSPCore_SetException(EXP_INT);
// DSPHost_InterruptRequest();
} else {
NOTICE_LOG(DSPLLE, "- CPU reads mail from mbx %i: %08x (pc=0x%04x)", mbx, gdsp_mbox_peek(mbx), g_dsp.pc);
// DSPCore_SetException(EXP_INT);
// DSPHost_InterruptRequest();
}
#endif
return val;
}
@ -135,6 +155,12 @@ void gdsp_ifx_write(u16 addr, u16 val)
gdsp_mbox_write_l(GDSP_MBOX_DSP, val);
break;
case 0xfe: // CMBH
return gdsp_mbox_write_h(GDSP_MBOX_CPU, val);
case 0xff: // CMBL
return gdsp_mbox_write_l(GDSP_MBOX_CPU, val);
case 0xcb: // DSBL
gdsp_ifx_regs[addr & 0xFF] = val;
gdsp_do_dma();
@ -159,14 +185,14 @@ void gdsp_ifx_write(u16 addr, u16 val)
default:
if ((addr & 0xff) >= 0xa0) {
if (pdlabels[(addr & 0xFF) - 0xa0].name && pdlabels[(addr & 0xFF) - 0xa0].description) {
INFO_LOG(DSPLLE, "%04x MW %s (%04x)\n", g_dsp.pc, pdlabels[(addr & 0xFF) - 0xa0].name, val);
WARN_LOG(DSPLLE, "%04x MW %s (%04x)", g_dsp.pc, pdlabels[(addr & 0xFF) - 0xa0].name, val);
}
else {
ERROR_LOG(DSPLLE, "%04x MW %04x (%04x)\n", g_dsp.pc, addr, val);
ERROR_LOG(DSPLLE, "%04x MW %04x (%04x)", g_dsp.pc, addr, val);
}
}
else {
ERROR_LOG(DSPLLE, "%04x MW %04x (%04x)\n", g_dsp.pc, addr, val);
ERROR_LOG(DSPLLE, "%04x MW %04x (%04x)", g_dsp.pc, addr, val);
}
gdsp_ifx_regs[addr & 0xFF] = val;
break;
@ -180,6 +206,9 @@ u16 gdsp_ifx_read(u16 addr)
case 0xfc: // DMBH
return gdsp_mbox_read_h(GDSP_MBOX_DSP);
case 0xfd: // DMBL
return gdsp_mbox_read_l(GDSP_MBOX_DSP);
case 0xfe: // CMBH
return gdsp_mbox_read_h(GDSP_MBOX_CPU);
@ -199,7 +228,7 @@ u16 gdsp_ifx_read(u16 addr)
default:
if ((addr & 0xff) >= 0xa0) {
if (pdlabels[(addr & 0xFF) - 0xa0].name && pdlabels[(addr & 0xFF) - 0xa0].description) {
INFO_LOG(DSPLLE, "%04x MR %s (%04x)\n", g_dsp.pc, pdlabels[(addr & 0xFF) - 0xa0].name, gdsp_ifx_regs[addr & 0xFF]);
NOTICE_LOG(DSPLLE, "%04x MR %s (%04x)\n", g_dsp.pc, pdlabels[(addr & 0xFF) - 0xa0].name, gdsp_ifx_regs[addr & 0xFF]);
}
else {
ERROR_LOG(DSPLLE, "%04x MR %04x (%04x)\n", g_dsp.pc, addr, gdsp_ifx_regs[addr & 0xFF]);

1
Source/Core/DSPCore/Src/DSPHost.h
View File

@ -22,6 +22,7 @@
// emulation core can access the environment it runs in. If the emulation
// core isn't used, for example in an asm/disasm tool, then most of these
// can be stubbed out.
//#define DEBUG_EXP 1
u8 DSPHost_ReadHostMemory(u32 addr);
void DSPHost_WriteHostMemory(u8 value, u32 addr);

3
Source/Plugins/Plugin_DSP_LLE/Src/DSPHost.cpp
View File

@ -58,6 +58,9 @@ bool DSPHost_Running()
void DSPHost_InterruptRequest()
{
#ifdef DEBUG_EXP
NOTICE_LOG(DSPLLE, "Firing an interrupt on the PPC ASAP");
#endif
// Fire an interrupt on the PPC ASAP.
g_dspInitialize.pGenerateDSPInterrupt();
}