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move TCM shit to CP15.cpp. closer to the real thing (for example now DMA can't access TCM, etc).

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the code is shit. I would use templates if only it fucking worked without requiring the function body to be included in a .h.
This commit is contained in:
StapleButter
2017-01-30 19:11:29 +01:00
parent 6f3b0498db
commit 348bbd8cb8
6 changed files with 178 additions and 120 deletions
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152
CP15.cpp
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@ -17,6 +17,7 @@
*/
#include <stdio.h>
#include <string.h>
#include "NDS.h"
#include "ARM.h"
#include "CP15.h"
@ -35,6 +36,11 @@ u32 Control;
u32 DTCMSetting, ITCMSetting;
u8 ITCM[0x8000];
u32 ITCMSize;
u8 DTCM[0x4000];
u32 DTCMBase, DTCMSize;
void Reset()
{
@ -42,6 +48,13 @@ void Reset()
DTCMSetting = 0;
ITCMSetting = 0;
memset(ITCM, 0, 0x8000);
memset(DTCM, 0, 0x4000);
ITCMSize = 0;
DTCMBase = 0xFFFFFFFF;
DTCMSize = 0;
}
@ -49,14 +62,14 @@ void UpdateDTCMSetting()
{
if (Control & (1<<16))
{
NDS::ARM9DTCMBase = DTCMSetting & 0xFFFFF000;
NDS::ARM9DTCMSize = 0x200 << ((DTCMSetting >> 1) & 0x1F);
printf("DTCM [%08X] enabled at %08X, size %X\n", DTCMSetting, NDS::ARM9DTCMBase, NDS::ARM9DTCMSize);
DTCMBase = DTCMSetting & 0xFFFFF000;
DTCMSize = 0x200 << ((DTCMSetting >> 1) & 0x1F);
printf("DTCM [%08X] enabled at %08X, size %X\n", DTCMSetting, DTCMBase, DTCMSize);
}
else
{
NDS::ARM9DTCMBase = 0xFFFFFFFF;
NDS::ARM9DTCMSize = 0;
DTCMBase = 0xFFFFFFFF;
DTCMSize = 0;
printf("DTCM disabled\n");
}
}
@ -65,12 +78,12 @@ void UpdateITCMSetting()
{
if (Control & (1<<18))
{
NDS::ARM9ITCMSize = 0x200 << ((ITCMSetting >> 1) & 0x1F);
printf("ITCM [%08X] enabled at %08X, size %X\n", ITCMSetting, 0, NDS::ARM9ITCMSize);
ITCMSize = 0x200 << ((ITCMSetting >> 1) & 0x1F);
printf("ITCM [%08X] enabled at %08X, size %X\n", ITCMSetting, 0, ITCMSize);
}
else
{
NDS::ARM9ITCMSize = 0;
ITCMSize = 0;
printf("ITCM disabled\n");
}
}
@ -159,4 +172,127 @@ u32 Read(u32 id)
return 0;
}
// TCM are handled here.
// TODO: later on, handle PU, and maybe caches
bool HandleCodeRead16(u32 addr, u16* val)
{
if (addr < ITCMSize)
{
*val = *(u16*)&ITCM[addr & 0x7FFF];
return true;
}
return false;
}
bool HandleCodeRead32(u32 addr, u32* val)
{
if (addr < ITCMSize)
{
*val = *(u32*)&ITCM[addr & 0x7FFF];
return true;
}
return false;
}
bool HandleDataRead8(u32 addr, u8* val, u32 forceuser)
{
if (addr < ITCMSize)
{
*val = *(u8*)&ITCM[addr & 0x7FFF];
return true;
}
if (addr >= DTCMBase && addr < (DTCMBase + DTCMSize))
{
*val = *(u8*)&DTCM[(addr - DTCMBase) & 0x3FFF];
return true;
}
return false;
}
bool HandleDataRead16(u32 addr, u16* val, u32 forceuser)
{
if (addr < ITCMSize)
{
*val = *(u16*)&ITCM[addr & 0x7FFF];
return true;
}
if (addr >= DTCMBase && addr < (DTCMBase + DTCMSize))
{
*val = *(u16*)&DTCM[(addr - DTCMBase) & 0x3FFF];
return true;
}
return false;
}
bool HandleDataRead32(u32 addr, u32* val, u32 forceuser)
{
if (addr < ITCMSize)
{
*val = *(u32*)&ITCM[addr & 0x7FFF];
return true;
}
if (addr >= DTCMBase && addr < (DTCMBase + DTCMSize))
{
*val = *(u32*)&DTCM[(addr - DTCMBase) & 0x3FFF];
return true;
}
return false;
}
bool HandleDataWrite8(u32 addr, u8 val, u32 forceuser)
{
if (addr < ITCMSize)
{
*(u8*)&ITCM[addr & 0x7FFF] = val;
return true;
}
if (addr >= DTCMBase && addr < (DTCMBase + DTCMSize))
{
*(u8*)&DTCM[(addr - DTCMBase) & 0x3FFF] = val;
return true;
}
return false;
}
bool HandleDataWrite16(u32 addr, u16 val, u32 forceuser)
{
if (addr < ITCMSize)
{
*(u16*)&ITCM[addr & 0x7FFF] = val;
return true;
}
if (addr >= DTCMBase && addr < (DTCMBase + DTCMSize))
{
*(u16*)&DTCM[(addr - DTCMBase) & 0x3FFF] = val;
return true;
}
return false;
}
bool HandleDataWrite32(u32 addr, u32 val, u32 forceuser)
{
if (addr < ITCMSize)
{
*(u32*)&ITCM[addr & 0x7FFF] = val;
return true;
}
if (addr >= DTCMBase && addr < (DTCMBase + DTCMSize))
{
*(u32*)&DTCM[(addr - DTCMBase) & 0x3FFF] = val;
return true;
}
return false;
}
}