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mips3.cpp: Added logging of cache opcodes, nw

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This commit is contained in:
mooglyguy 2018-11-19 15:15:54 +01:00
parent aa186556c4
commit e742b63b5d
2 changed files with 94 additions and 3 deletions
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95
src/devices/cpu/mips/mips3.cpp
View File

@ -80,7 +80,7 @@
#define IS_FR1 (SR & SR_FR)
/* size of the execution code cache */
#define CACHE_SIZE (32 * 1024 * 1024)
#define DRC_CACHE_SIZE (32 * 1024 * 1024)
@ -166,7 +166,7 @@ mips3_device::mips3_device(const machine_config &mconfig, device_type type, cons
, c_dcache_size(0)
, m_fastram_select(0)
, m_debugger_temp(0)
, m_drc_cache(CACHE_SIZE + sizeof(internal_mips3_state) + 0x80000)
, m_drc_cache(DRC_CACHE_SIZE + sizeof(internal_mips3_state) + 0x80000)
, m_drcuml(nullptr)
, m_drcfe(nullptr)
, m_drcoptions(0)
@ -5500,5 +5500,94 @@ void mips3_device::load_elf()
void r5000be_device::handle_cache(uint32_t op)
{
// Handle as a no-op for now
if ((SR & SR_KSU_MASK) != SR_KSU_KERNEL && !(SR & SR_COP0))
{
m_badcop_value = 0;
generate_exception(EXCEPTION_BADCOP, 1);
return;
}
const uint32_t vaddr = RSVAL32 + SIMMVAL;
switch (CACHE_TYPE)
{
case 0: // Primary Instruction
switch (CACHE_OP)
{
case 0: // Index Invalidate
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, I-Cache Index Invalidate\n", machine().describe_context(), vaddr);
break;
case 1: // Index Load Tag
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, I-Cache Index Load Tag\n", machine().describe_context(), vaddr);
break;
case 2: // Index Store Tag
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, I-Cache Index Store Tag\n", machine().describe_context(), vaddr);
break;
case 4: // Hit Invalidate
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, I-Cache Hit Invalidate\n", machine().describe_context(), vaddr);
break;
case 5: // Fill
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, I-Cache Fill \n", machine().describe_context(), vaddr);
break;
case 6: // Hit WriteBack
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, I-Cache Hit WriteBack\n", machine().describe_context(), vaddr);
break;
default:
logerror("%s: MIPS3: %08x specifies invalid I-Cache op %d, vaddr %08x\n", machine().describe_context(), op, CACHE_OP, vaddr);
break;
}
break;
case 1: // Primary Data
switch (CACHE_OP)
{
case 0: // Index WriteBack Invalidate
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, D-Cache Index WriteBack Invalidate\n", machine().describe_context(), vaddr);
break;
case 1: // Index Load Tag
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, D-Cache Index Load Tag\n", machine().describe_context(), vaddr);
break;
case 2: // Index Store Tag
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, D-Cache Index Store Tag\n", machine().describe_context(), vaddr);
break;
case 3: // Create Dirty Exclusive
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, D-Cache Create Dirty Exclusive\n", machine().describe_context(), vaddr);
break;
case 4: // Hit Invalidate
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, D-Cache Hit Invalidate\n", machine().describe_context(), vaddr);
break;
case 5: // Hit WriteBack Invalidate
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, D-Cache Hit WriteBack Invalidate\n", machine().describe_context(), vaddr);
break;
case 6: // Hit WriteBack
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, D-Cache Hit WriteBack\n", machine().describe_context(), vaddr);
break;
default:
logerror("%s: MIPS3: %08x specifies invalid D-Cache op %d, vaddr %08x\n", machine().describe_context(), op, CACHE_OP, vaddr);
break;
}
break;
case 3: // Secondary Cache
switch (CACHE_OP)
{
case 0: // Cache Clear
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, SC Cache Clear\n", machine().describe_context(), vaddr);
break;
case 1: // Index Load Tag
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, SC Index Load Tag\n", machine().describe_context(), vaddr);
break;
case 2: // Index Store Tag
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, SC Index Store Tag\n", machine().describe_context(), vaddr);
break;
case 5: // Cache Page Invalidate
logerror("%s: MIPS3: Not yet implemented: cache: vaddr %08x, SC Cache Page Invalidate\n", machine().describe_context(), vaddr);
break;
default:
logerror("%s: MIPS3: %08x specifies invalid SC cache op %d, vaddr %08x\n", machine().describe_context(), op, CACHE_OP, vaddr);
break;
}
break;
default:
logerror("%s: MIPS3: %08x specifies invalid cache type %d, vaddr %08x\n", machine().describe_context(), op, CACHE_TYPE, vaddr);
break;
}
}

2
src/devices/cpu/mips/mips3com.h
View File

@ -187,5 +187,7 @@
#define UIMMVAL ((uint16_t)op)
#define LIMMVAL (op & 0x03ffffff)
#define CACHE_TYPE ((op >> 16) & 3)
#define CACHE_OP ((op >> 18) & 7)
#endif // MAME_CPU_MIPS_MIPS3COM_H