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Use readlookup cache in get_phys().

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This commit is contained in:
SarahW 2019-01-22 21:41:00 +00:00
commit c1f0b7c35d
1 changed files with 19 additions and 2 deletions
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21
src/mem.h
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@ -157,17 +157,34 @@ static inline uint32_t get_phys(uint32_t addr)
return addr & rammask; return addr & rammask;
} }
get_phys_phys = (mmutranslatereal(addr, 0) & rammask) & ~0xfff; if (readlookup2[addr >> 12] != -1)
get_phys_phys = ((uintptr_t)readlookup2[addr >> 12] + (addr & ~0xfff)) - (uintptr_t)ram;
else
{
get_phys_phys = (mmutranslatereal(addr, 0) & rammask) & ~0xfff;
if (!cpu_state.abrt)
addreadlookup(get_phys_virt, get_phys_phys);
}
return get_phys_phys | (addr & 0xfff); return get_phys_phys | (addr & 0xfff);
// return mmutranslatereal(addr, 0) & rammask; // return mmutranslatereal(addr, 0) & rammask;
} }
static inline uint32_t get_phys_noabrt(uint32_t addr) static inline uint32_t get_phys_noabrt(uint32_t addr)
{ {
uint32_t phys_addr;
if (!(cr0 >> 31)) if (!(cr0 >> 31))
return addr & rammask; return addr & rammask;
return mmutranslate_noabrt(addr, 0) & rammask; if (readlookup2[addr >> 12] != -1)
return ((uintptr_t)readlookup2[addr >> 12] + addr) - (uintptr_t)ram;
phys_addr = mmutranslate_noabrt(addr, 0) & rammask;
if (!cpu_state.abrt)
addreadlookup(addr, phys_addr);
return phys_addr;
} }
void mem_invalidate_range(uint32_t start_addr, uint32_t end_addr); void mem_invalidate_range(uint32_t start_addr, uint32_t end_addr);