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version 1.18, 2004/03/10 07:41:48
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version 1.19, 2004/03/10 23:01:08
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Line 1095 void MEMCALL memp_write(UINT32 address,
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Line 1095 void MEMCALL memp_write(UINT32 address,
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| static UINT32 physicaladdr(UINT32 addr) { |
static UINT32 physicaladdr(UINT32 addr) { |
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UINT32 a; |
| UINT32 pde; |
UINT32 pde; |
| UINT32 pte; |
UINT32 pte; |
| |
|
| if (CPU_STAT_PAGING) { |
if (CPU_STAT_PAGING) { |
| pde = i286_memoryread_d(CPU_STAT_PDE_BASE + ((addr >> 20) & 0xffc)); |
a = CPU_STAT_PDE_BASE + ((addr >> 20) & 0xffc); |
| |
pde = i286_memoryread_d(a); |
| if (!(pde & CPU_PDE_PRESENT)) { |
if (!(pde & CPU_PDE_PRESENT)) { |
| goto retdummy; |
goto retdummy; |
| } |
} |
| pte = cpu_memoryread_d((pde & CPU_PDE_BASEADDR_MASK) + ((addr >> 10) & 0xffc)); |
#if 0 |
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if (!(pde & CPU_PDE_ACCESS)) { |
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i286_memorywrite_d(a, pde | CPU_PDE_ACCESS); |
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} |
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#endif |
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a = (pde & CPU_PDE_BASEADDR_MASK) + ((addr >> 10) & 0xffc); |
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pte = cpu_memoryread_d(a); |
| if (!(pte & CPU_PTE_PRESENT)) { |
if (!(pte & CPU_PTE_PRESENT)) { |
| goto retdummy; |
goto retdummy; |
| } |
} |
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#if 0 |
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if (!(pte & CPU_PTE_ACCESS)) { |
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i286_memorywrite_d(a, pte | CPU_PTE_ACCESS); |
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} |
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#endif |
| addr = (pte & CPU_PTE_BASEADDR_MASK) + (addr & 0x00000fff); |
addr = (pte & CPU_PTE_BASEADDR_MASK) + (addr & 0x00000fff); |
| } |
} |
| return(addr); |
return(addr); |
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