| 0,0 → 1,113 |
|---|
| #include "mem.h" |
| #include "RAM.h" |
| |
| |
| |
| static Boolean ramAccessF(void* userData, UInt32 pa, UInt8 size, Boolean write, void* bufP){ |
| |
| ArmRam* ram = userData; |
| UInt8* addr = (UInt8*)ram->buf; |
| |
| pa -= ram->adr; |
| if(pa >= ram->sz) return false; |
| |
| addr += pa; |
| |
| if(write){ |
| |
| switch(size){ |
| |
| case 1: |
| |
| *((UInt8*)addr) = *(UInt8*)bufP; //our memory system is little-endian |
| break; |
| |
| case 2: |
| |
| *((UInt16*)addr) = *(UInt16*)bufP; //our memory system is little-endian |
| break; |
| |
| case 4: |
| |
| *((UInt32*)addr) = *(UInt32*)bufP; |
| break; |
| |
| case 8: |
| |
| *((UInt32*)(addr + 0)) = ((UInt32*)bufP)[0]; |
| *((UInt32*)(addr + 4)) = ((UInt32*)bufP)[1]; |
| break; |
| |
| default: |
| |
| return false; |
| } |
| } |
| else{ |
| |
| switch(size){ |
| |
| case 1: |
| |
| *(UInt8*)bufP = *((UInt8*)addr); |
| break; |
| |
| case 2: |
| |
| *(UInt16*)bufP = *((UInt16*)addr); |
| break; |
| |
| case 4: |
| |
| *(UInt32*)bufP = *((UInt32*)addr); |
| break; |
| |
| case 64: |
| ((UInt32*)bufP)[ 8] = *((UInt32*)(addr + 32)); |
| ((UInt32*)bufP)[ 9] = *((UInt32*)(addr + 36)); |
| ((UInt32*)bufP)[10] = *((UInt32*)(addr + 40)); |
| ((UInt32*)bufP)[11] = *((UInt32*)(addr + 44)); |
| ((UInt32*)bufP)[12] = *((UInt32*)(addr + 48)); |
| ((UInt32*)bufP)[13] = *((UInt32*)(addr + 52)); |
| ((UInt32*)bufP)[14] = *((UInt32*)(addr + 56)); |
| ((UInt32*)bufP)[15] = *((UInt32*)(addr + 60)); |
| //fallthrough |
| case 32: |
| |
| ((UInt32*)bufP)[4] = *((UInt32*)(addr + 16)); |
| ((UInt32*)bufP)[5] = *((UInt32*)(addr + 20)); |
| ((UInt32*)bufP)[6] = *((UInt32*)(addr + 24)); |
| ((UInt32*)bufP)[7] = *((UInt32*)(addr + 28)); |
| //fallthrough |
| case 16: |
| |
| ((UInt32*)bufP)[2] = *((UInt32*)(addr + 8)); |
| ((UInt32*)bufP)[3] = *((UInt32*)(addr + 12)); |
| //fallthrough |
| case 8: |
| ((UInt32*)bufP)[0] = *((UInt32*)(addr + 0)); |
| ((UInt32*)bufP)[1] = *((UInt32*)(addr + 4)); |
| break; |
| |
| default: |
| |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| Boolean ramInit(ArmRam* ram, ArmMem* mem, UInt32 adr, UInt32 sz, UInt32* buf){ |
| |
| ram->adr = adr; |
| ram->sz = sz; |
| ram->buf = buf; |
| |
| return memRegionAdd(mem, adr, sz, &ramAccessF, ram); |
| } |
| |
| Boolean ramDeinit(ArmRam* ram, ArmMem* mem){ |
| |
| return memRegionDel(mem, ram->adr, ram->sz); |
| } |
| Property changes: |
|---|
| Added: svn:executable |
|---|
| +* |
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| \ No newline at end of property |
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