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melonDS
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run teh binary. BAHAHAHAHAHAHAHAAHHHH 

it doesn't do much for now tho
This commit is contained in:
Arisotura 2019-06-15 14:05:31 +02:00
parent ebd1a359cc
commit 7aa5131ec7
3 changed files with 288 additions and 0 deletions
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284
src/DSi.cpp
View File

@ -20,14 +20,26 @@
#include <string.h>
#include "NDS.h"
#include "DSi.h"
#include "ARM.h"
#include "tiny-AES-c/aes.hpp"
#include "sha1/sha1.h"
#include "Platform.h"
namespace NDS
{
extern ARMv5* ARM9;
extern ARMv4* ARM7;
}
namespace DSi
{
u32 BootAddr[2];
u32 MBK[2][9];
u8 NWRAM_A[0x40000];
@ -43,6 +55,12 @@ u32 NWRAMEnd[2][3];
u32 NWRAMMask[2][3];
void Reset()
{
NDS::ARM9->JumpTo(BootAddr[0]);
NDS::ARM7->JumpTo(BootAddr[1]);
}
bool LoadBIOS()
{
FILE* f;
@ -158,6 +176,56 @@ bool LoadNAND()
// TODO: MBK9 protect thing
// load binaries
// TODO: optionally support loading from actual NAND?
// currently decrypted binaries have to be provided
// they can be decrypted with twltool
FILE* bin;
bin = Platform::OpenLocalFile("boot2_9.bin", "rb");
if (bin)
{
u32 dstaddr = bootparams[2];
for (u32 i = 0; i < bootparams[1]; i += 4)
{
u32 _tmp;
fread(&_tmp, 4, 1, bin);
ARM9Write32(dstaddr, _tmp);
dstaddr += 4;
}
fclose(bin);
}
else
{
printf("ARM9 boot2 not found\n");
}
bin = Platform::OpenLocalFile("boot2_7.bin", "rb");
if (bin)
{
u32 dstaddr = bootparams[6];
for (u32 i = 0; i < bootparams[5]; i += 4)
{
u32 _tmp;
fread(&_tmp, 4, 1, bin);
ARM7Write32(dstaddr, _tmp);
dstaddr += 4;
}
fclose(bin);
}
else
{
printf("ARM7 boot2 not found\n");
}
// repoint CPUs to the boot2 binaries
BootAddr[0] = bootparams[2];
BootAddr[1] = bootparams[6];
#define printhex(str, size) { for (int z = 0; z < (size); z++) printf("%02X", (str)[z]); printf("\n"); }
#define printhex_rev(str, size) { for (int z = (size)-1; z >= 0; z--) printf("%02X", (str)[z]); printf("\n"); }
@ -316,6 +384,24 @@ u8 ARM9Read8(u32 addr)
{
switch (addr & 0xFF000000)
{
case 0x03000000:
if (addr >= NWRAMStart[0][0] && addr < NWRAMEnd[0][0])
{
u8* ptr = NWRAMMap_A[0][(addr >> 16) & NWRAMMask[0][0]];
return ptr ? *(u8*)&ptr[addr & 0xFFFF] : 0;
}
if (addr >= NWRAMStart[0][1] && addr < NWRAMEnd[0][1])
{
u8* ptr = NWRAMMap_B[0][(addr >> 15) & NWRAMMask[0][1]];
return ptr ? *(u8*)&ptr[addr & 0x7FFF] : 0;
}
if (addr >= NWRAMStart[0][2] && addr < NWRAMEnd[0][2])
{
u8* ptr = NWRAMMap_C[0][(addr >> 15) & NWRAMMask[0][2]];
return ptr ? *(u8*)&ptr[addr & 0x7FFF] : 0;
}
return NDS::ARM9Read8(addr);
case 0x04000000:
return ARM9IORead8(addr);
}
@ -327,6 +413,24 @@ u16 ARM9Read16(u32 addr)
{
switch (addr & 0xFF000000)
{
case 0x03000000:
if (addr >= NWRAMStart[0][0] && addr < NWRAMEnd[0][0])
{
u8* ptr = NWRAMMap_A[0][(addr >> 16) & NWRAMMask[0][0]];
return ptr ? *(u16*)&ptr[addr & 0xFFFF] : 0;
}
if (addr >= NWRAMStart[0][1] && addr < NWRAMEnd[0][1])
{
u8* ptr = NWRAMMap_B[0][(addr >> 15) & NWRAMMask[0][1]];
return ptr ? *(u16*)&ptr[addr & 0x7FFF] : 0;
}
if (addr >= NWRAMStart[0][2] && addr < NWRAMEnd[0][2])
{
u8* ptr = NWRAMMap_C[0][(addr >> 15) & NWRAMMask[0][2]];
return ptr ? *(u16*)&ptr[addr & 0x7FFF] : 0;
}
return NDS::ARM9Read16(addr);
case 0x04000000:
return ARM9IORead16(addr);
}
@ -338,6 +442,24 @@ u32 ARM9Read32(u32 addr)
{
switch (addr & 0xFF000000)
{
case 0x03000000:
if (addr >= NWRAMStart[0][0] && addr < NWRAMEnd[0][0])
{
u8* ptr = NWRAMMap_A[0][(addr >> 16) & NWRAMMask[0][0]];
return ptr ? *(u32*)&ptr[addr & 0xFFFF] : 0;
}
if (addr >= NWRAMStart[0][1] && addr < NWRAMEnd[0][1])
{
u8* ptr = NWRAMMap_B[0][(addr >> 15) & NWRAMMask[0][1]];
return ptr ? *(u32*)&ptr[addr & 0x7FFF] : 0;
}
if (addr >= NWRAMStart[0][2] && addr < NWRAMEnd[0][2])
{
u8* ptr = NWRAMMap_C[0][(addr >> 15) & NWRAMMask[0][2]];
return ptr ? *(u32*)&ptr[addr & 0x7FFF] : 0;
}
return NDS::ARM9Read32(addr);
case 0x04000000:
return ARM9IORead32(addr);
}
@ -349,6 +471,24 @@ void ARM9Write8(u32 addr, u8 val)
{
switch (addr & 0xFF000000)
{
case 0x03000000:
if (addr >= NWRAMStart[0][0] && addr < NWRAMEnd[0][0])
{
u8* ptr = NWRAMMap_A[0][(addr >> 16) & NWRAMMask[0][0]];
if (ptr) *(u8*)&ptr[addr & 0xFFFF] = val;
}
if (addr >= NWRAMStart[0][1] && addr < NWRAMEnd[0][1])
{
u8* ptr = NWRAMMap_B[0][(addr >> 15) & NWRAMMask[0][1]];
if (ptr) *(u8*)&ptr[addr & 0x7FFF] = val;
}
if (addr >= NWRAMStart[0][2] && addr < NWRAMEnd[0][2])
{
u8* ptr = NWRAMMap_C[0][(addr >> 15) & NWRAMMask[0][2]];
if (ptr) *(u8*)&ptr[addr & 0x7FFF] = val;
}
return NDS::ARM9Write8(addr, val);
case 0x04000000:
ARM9IOWrite8(addr, val);
return;
@ -361,6 +501,24 @@ void ARM9Write16(u32 addr, u16 val)
{
switch (addr & 0xFF000000)
{
case 0x03000000:
if (addr >= NWRAMStart[0][0] && addr < NWRAMEnd[0][0])
{
u8* ptr = NWRAMMap_A[0][(addr >> 16) & NWRAMMask[0][0]];
if (ptr) *(u16*)&ptr[addr & 0xFFFF] = val;
}
if (addr >= NWRAMStart[0][1] && addr < NWRAMEnd[0][1])
{
u8* ptr = NWRAMMap_B[0][(addr >> 15) & NWRAMMask[0][1]];
if (ptr) *(u16*)&ptr[addr & 0x7FFF] = val;
}
if (addr >= NWRAMStart[0][2] && addr < NWRAMEnd[0][2])
{
u8* ptr = NWRAMMap_C[0][(addr >> 15) & NWRAMMask[0][2]];
if (ptr) *(u16*)&ptr[addr & 0x7FFF] = val;
}
return NDS::ARM9Write16(addr, val);
case 0x04000000:
ARM9IOWrite16(addr, val);
return;
@ -373,6 +531,24 @@ void ARM9Write32(u32 addr, u32 val)
{
switch (addr & 0xFF000000)
{
case 0x03000000:
if (addr >= NWRAMStart[0][0] && addr < NWRAMEnd[0][0])
{
u8* ptr = NWRAMMap_A[0][(addr >> 16) & NWRAMMask[0][0]];
if (ptr) *(u32*)&ptr[addr & 0xFFFF] = val;
}
if (addr >= NWRAMStart[0][1] && addr < NWRAMEnd[0][1])
{
u8* ptr = NWRAMMap_B[0][(addr >> 15) & NWRAMMask[0][1]];
if (ptr) *(u32*)&ptr[addr & 0x7FFF] = val;
}
if (addr >= NWRAMStart[0][2] && addr < NWRAMEnd[0][2])
{
u8* ptr = NWRAMMap_C[0][(addr >> 15) & NWRAMMask[0][2]];
if (ptr) *(u32*)&ptr[addr & 0x7FFF] = val;
}
return NDS::ARM9Write32(addr, val);
case 0x04000000:
ARM9IOWrite32(addr, val);
return;
@ -408,6 +584,24 @@ u8 ARM7Read8(u32 addr)
{
switch (addr & 0xFF800000)
{
case 0x03000000:
if (addr >= NWRAMStart[1][0] && addr < NWRAMEnd[1][0])
{
u8* ptr = NWRAMMap_A[1][(addr >> 16) & NWRAMMask[1][0]];
return ptr ? *(u8*)&ptr[addr & 0xFFFF] : 0;
}
if (addr >= NWRAMStart[1][1] && addr < NWRAMEnd[1][1])
{
u8* ptr = NWRAMMap_B[1][(addr >> 15) & NWRAMMask[1][1]];
return ptr ? *(u8*)&ptr[addr & 0x7FFF] : 0;
}
if (addr >= NWRAMStart[1][2] && addr < NWRAMEnd[1][2])
{
u8* ptr = NWRAMMap_C[1][(addr >> 15) & NWRAMMask[1][2]];
return ptr ? *(u8*)&ptr[addr & 0x7FFF] : 0;
}
return NDS::ARM7Read8(addr);
case 0x04000000:
return ARM7IORead8(addr);
}
@ -419,6 +613,24 @@ u16 ARM7Read16(u32 addr)
{
switch (addr & 0xFF800000)
{
case 0x03000000:
if (addr >= NWRAMStart[1][0] && addr < NWRAMEnd[1][0])
{
u8* ptr = NWRAMMap_A[1][(addr >> 16) & NWRAMMask[1][0]];
return ptr ? *(u16*)&ptr[addr & 0xFFFF] : 0;
}
if (addr >= NWRAMStart[1][1] && addr < NWRAMEnd[1][1])
{
u8* ptr = NWRAMMap_B[1][(addr >> 15) & NWRAMMask[1][1]];
return ptr ? *(u16*)&ptr[addr & 0x7FFF] : 0;
}
if (addr >= NWRAMStart[1][2] && addr < NWRAMEnd[1][2])
{
u8* ptr = NWRAMMap_C[1][(addr >> 15) & NWRAMMask[1][2]];
return ptr ? *(u16*)&ptr[addr & 0x7FFF] : 0;
}
return NDS::ARM7Read16(addr);
case 0x04000000:
return ARM7IORead16(addr);
}
@ -430,6 +642,24 @@ u32 ARM7Read32(u32 addr)
{
switch (addr & 0xFF800000)
{
case 0x03000000:
if (addr >= NWRAMStart[1][0] && addr < NWRAMEnd[1][0])
{
u8* ptr = NWRAMMap_A[1][(addr >> 16) & NWRAMMask[1][0]];
return ptr ? *(u32*)&ptr[addr & 0xFFFF] : 0;
}
if (addr >= NWRAMStart[1][1] && addr < NWRAMEnd[1][1])
{
u8* ptr = NWRAMMap_B[1][(addr >> 15) & NWRAMMask[1][1]];
return ptr ? *(u32*)&ptr[addr & 0x7FFF] : 0;
}
if (addr >= NWRAMStart[1][2] && addr < NWRAMEnd[1][2])
{
u8* ptr = NWRAMMap_C[1][(addr >> 15) & NWRAMMask[1][2]];
return ptr ? *(u32*)&ptr[addr & 0x7FFF] : 0;
}
return NDS::ARM7Read32(addr);
case 0x04000000:
return ARM7IORead32(addr);
}
@ -441,6 +671,24 @@ void ARM7Write8(u32 addr, u8 val)
{
switch (addr & 0xFF800000)
{
case 0x03000000:
if (addr >= NWRAMStart[1][0] && addr < NWRAMEnd[1][0])
{
u8* ptr = NWRAMMap_A[1][(addr >> 16) & NWRAMMask[1][0]];
if (ptr) *(u8*)&ptr[addr & 0xFFFF] = val;
}
if (addr >= NWRAMStart[1][1] && addr < NWRAMEnd[1][1])
{
u8* ptr = NWRAMMap_B[1][(addr >> 15) & NWRAMMask[1][1]];
if (ptr) *(u8*)&ptr[addr & 0x7FFF] = val;
}
if (addr >= NWRAMStart[1][2] && addr < NWRAMEnd[1][2])
{
u8* ptr = NWRAMMap_C[1][(addr >> 15) & NWRAMMask[1][2]];
if (ptr) *(u8*)&ptr[addr & 0x7FFF] = val;
}
return NDS::ARM7Write8(addr, val);
case 0x04000000:
ARM7IOWrite8(addr, val);
return;
@ -453,6 +701,24 @@ void ARM7Write16(u32 addr, u16 val)
{
switch (addr & 0xFF800000)
{
case 0x03000000:
if (addr >= NWRAMStart[1][0] && addr < NWRAMEnd[1][0])
{
u8* ptr = NWRAMMap_A[1][(addr >> 16) & NWRAMMask[1][0]];
if (ptr) *(u16*)&ptr[addr & 0xFFFF] = val;
}
if (addr >= NWRAMStart[1][1] && addr < NWRAMEnd[1][1])
{
u8* ptr = NWRAMMap_B[1][(addr >> 15) & NWRAMMask[1][1]];
if (ptr) *(u16*)&ptr[addr & 0x7FFF] = val;
}
if (addr >= NWRAMStart[1][2] && addr < NWRAMEnd[1][2])
{
u8* ptr = NWRAMMap_C[1][(addr >> 15) & NWRAMMask[1][2]];
if (ptr) *(u16*)&ptr[addr & 0x7FFF] = val;
}
return NDS::ARM7Write16(addr, val);
case 0x04000000:
ARM7IOWrite16(addr, val);
return;
@ -465,6 +731,24 @@ void ARM7Write32(u32 addr, u32 val)
{
switch (addr & 0xFF800000)
{
case 0x03000000:
if (addr >= NWRAMStart[1][0] && addr < NWRAMEnd[1][0])
{
u8* ptr = NWRAMMap_A[1][(addr >> 16) & NWRAMMask[1][0]];
if (ptr) *(u32*)&ptr[addr & 0xFFFF] = val;
}
if (addr >= NWRAMStart[1][1] && addr < NWRAMEnd[1][1])
{
u8* ptr = NWRAMMap_B[1][(addr >> 15) & NWRAMMask[1][1]];
if (ptr) *(u32*)&ptr[addr & 0x7FFF] = val;
}
if (addr >= NWRAMStart[1][2] && addr < NWRAMEnd[1][2])
{
u8* ptr = NWRAMMap_C[1][(addr >> 15) & NWRAMMask[1][2]];
if (ptr) *(u32*)&ptr[addr & 0x7FFF] = val;
}
return NDS::ARM7Write32(addr, val);
case 0x04000000:
ARM7IOWrite32(addr, val);
return;

2
src/DSi.h
View File

@ -24,6 +24,8 @@
namespace DSi
{
void Reset();
bool LoadBIOS();
bool LoadNAND();

2
src/NDS.cpp
View File

@ -510,6 +510,8 @@ void Reset()
SPI::Reset();
RTC::Reset();
Wifi::Reset();
DSi::Reset();
}
void Stop()