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DSPLLE more exception work (not sure we need reset at all)

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3732 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
nakeee 2009-07-10 15:00:29 +00:00
parent 42fed5c111
commit eaa93ed839
2 changed files with 18 additions and 11 deletions
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18
Source/Core/DSPCore/Src/DSPCore.cpp
View File

@ -149,12 +149,13 @@ void DSPCore_Reset()
g_dsp.r[DSP_REG_WR1] = 0xffff; g_dsp.r[DSP_REG_WR1] = 0xffff;
g_dsp.r[DSP_REG_WR2] = 0xffff; g_dsp.r[DSP_REG_WR2] = 0xffff;
g_dsp.r[DSP_REG_WR3] = 0xffff; g_dsp.r[DSP_REG_WR3] = 0xffff;
} }
void DSPCore_SetException(u8 level) void DSPCore_SetException(u8 level)
{ {
#ifdef DEBUG_EXP #ifdef DEBUG_EXP
NOTICE_LOG(DSPLLE, "Firing exception %d", g_dsp.exceptions); NOTICE_LOG(DSPLLE, "Set exception %d", level);
#endif #endif
g_dsp.exceptions |= 1 << level; g_dsp.exceptions |= 1 << level;
@ -165,7 +166,7 @@ void DSPCore_CheckExternalInterrupt()
{ {
// check if there is an external interrupt // check if there is an external interrupt
if (g_dsp.cr & CR_EXTERNAL_INT) { if (g_dsp.cr & CR_EXTERNAL_INT) {
if (dsp_SR_is_flag_set(SR_EXT_INT_ENABLE) && g_dsp.exception_in_progress < 1) { if (dsp_SR_is_flag_set(SR_EXT_INT_ENABLE) && g_dsp.exception_in_progress == -1) {
#ifdef DEBUG_EXP #ifdef DEBUG_EXP
NOTICE_LOG(DSP_MAIL, "External interrupt fired"); NOTICE_LOG(DSP_MAIL, "External interrupt fired");
#endif #endif
@ -175,7 +176,7 @@ void DSPCore_CheckExternalInterrupt()
g_dsp.cr &= ~CR_EXTERNAL_INT; g_dsp.cr &= ~CR_EXTERNAL_INT;
} else { } else {
#ifdef DEBUG_EXP #ifdef DEBUG_EXP
ERROR_LOG(DSP_MAIL, "External interrupt failed(masked)"); ERROR_LOG(DSP_MAIL, "External interrupt failed(masked) by %d", g_dsp.exception_in_progress);
#endif #endif
} }
} }
@ -188,12 +189,12 @@ void DSPCore_CheckExceptions()
// but for sure they should not be called together therefore the // but for sure they should not be called together therefore the
// g_dsp.exception_in_progress_hack // g_dsp.exception_in_progress_hack
if (g_dsp.exceptions != 0) { if (g_dsp.exceptions != 0) {
if (g_dsp.exception_in_progress < 1) { if (g_dsp.exception_in_progress == -1) {
// check exceptions should it be 0..7 or 7..0? // check exceptions should it be 0..7 or 7..0?
for (int i = 7; i >= 0; i--) { for (int i = 7; i >= 0; i--) {
// Seems exp int or reset are not masked by sr_int_enable // Seems exp int or reset are not masked by sr_int_enable
if (g_dsp.exceptions & (1 << i)) { if (g_dsp.exceptions & (1 << i)) {
if (dsp_SR_is_flag_set(SR_INT_ENABLE) || i == EXP_INT || i == EXP_RESET) { if (dsp_SR_is_flag_set(SR_INT_ENABLE) || (i == EXP_INT && dsp_SR_is_flag_set(SR_EXT_INT_ENABLE)) || i == EXP_RESET) {
_assert_msg_(MASTER_LOG, g_dsp.exception_in_progress == -1, "assert %d while exception", g_dsp.exception_in_progress); _assert_msg_(MASTER_LOG, g_dsp.exception_in_progress == -1, "assert %d while exception", g_dsp.exception_in_progress);
// store pc and sr until RTI // store pc and sr until RTI
@ -202,18 +203,19 @@ void DSPCore_CheckExceptions()
g_dsp.pc = i * 2; g_dsp.pc = i * 2;
g_dsp.exceptions &= ~(1 << i); g_dsp.exceptions &= ~(1 << i);
g_dsp.exception_in_progress = i; if (i)
g_dsp.exception_in_progress = i;
break; break;
} else { } else {
#ifdef DEBUG_EXP #ifdef DEBUG_EXP
ERROR_LOG(DSPLLE, "Firing exception %d failed", g_dsp.exceptions); ERROR_LOG(DSPLLE, "Firing exception %d failed", i);
#endif #endif
} }
} }
} }
} else { } else {
#ifdef DEBUG_EXP #ifdef DEBUG_EXP
ERROR_LOG(DSPLLE, "Firing exception %d failed exception active", g_dsp.exceptions); ERROR_LOG(DSPLLE, "Firing exception %d failed exception %d active", g_dsp.exceptions, g_dsp.exception_in_progress);
#endif #endif
} }
} }

11
Source/Core/DSPCore/Src/DSPHWInterface.cpp
View File

@ -236,6 +236,7 @@ u16 gdsp_ifx_read(u16 addr)
void gdsp_idma_in(u16 dsp_addr, u32 addr, u32 size) void gdsp_idma_in(u16 dsp_addr, u32 addr, u32 size)
{ {
static bool reset = true;
UnWriteProtectMemory(g_dsp.iram, DSP_IRAM_BYTE_SIZE, false); UnWriteProtectMemory(g_dsp.iram, DSP_IRAM_BYTE_SIZE, false);
u8* dst = ((u8*)g_dsp.iram); u8* dst = ((u8*)g_dsp.iram);
@ -249,9 +250,13 @@ void gdsp_idma_in(u16 dsp_addr, u32 addr, u32 size)
NOTICE_LOG(DSPLLE, "*** Copy new UCode from 0x%08x to 0x%04x (crc: %8x)", addr, dsp_addr, g_dsp.iram_crc); NOTICE_LOG(DSPLLE, "*** Copy new UCode from 0x%08x to 0x%04x (crc: %8x)", addr, dsp_addr, g_dsp.iram_crc);
g_dsp.iram_crc = DSPHost_CodeLoaded(g_dsp.cpu_ram + (addr & 0x0fffffff), size); g_dsp.iram_crc = DSPHost_CodeLoaded(g_dsp.cpu_ram + (addr & 0x0fffffff), size);
DSPAnalyzer::Analyze(); DSPAnalyzer::Analyze();
// This calls the reset functions, but it get some games stuck
// uncomment it to help with debugging if (reset) {
DSPCore_SetException(EXP_RESET); // This calls the reset functions, but it get some games stuck
// uncomment it to help with debugging
// DSPCore_SetException(EXP_RESET);
reset = false;
}
} }