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actually make DSi-mode direct boot work to some extent

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This commit is contained in:
Arisotura
2021-08-30 20:26:49 +02:00
parent b84155e891
commit 523552a92d
13 changed files with 500 additions and 213 deletions
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80
src/SPI.cpp
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@ -21,6 +21,7 @@
#include <stdlib.h>
#include "Config.h"
#include "NDS.h"
#include "DSi.h"
#include "SPI.h"
#include "DSi_SPI_TSC.h"
#include "Platform.h"
@ -167,35 +168,32 @@ void Reset()
UserSettings = userdata;
if (NDS::ConsoleType == 0)
// fix touchscreen coords
*(u16*)&Firmware[userdata+0x58] = 0;
*(u16*)&Firmware[userdata+0x5A] = 0;
Firmware[userdata+0x5C] = 0;
Firmware[userdata+0x5D] = 0;
*(u16*)&Firmware[userdata+0x5E] = 255<<4;
*(u16*)&Firmware[userdata+0x60] = 191<<4;
Firmware[userdata+0x62] = 255;
Firmware[userdata+0x63] = 191;
// disable autoboot
//Firmware[userdata+0x64] &= 0xBF;
*(u16*)&Firmware[userdata+0x72] = CRC16(&Firmware[userdata], 0x70, 0xFFFF);
if (Config::RandomizeMAC)
{
// fix touchscreen coords
*(u16*)&Firmware[userdata+0x58] = 0;
*(u16*)&Firmware[userdata+0x5A] = 0;
Firmware[userdata+0x5C] = 0;
Firmware[userdata+0x5D] = 0;
*(u16*)&Firmware[userdata+0x5E] = 255<<4;
*(u16*)&Firmware[userdata+0x60] = 191<<4;
Firmware[userdata+0x62] = 255;
Firmware[userdata+0x63] = 191;
// replace MAC address with random address
Firmware[0x36] = 0x00;
Firmware[0x37] = 0x09;
Firmware[0x38] = 0xBF;
Firmware[0x39] = rand()&0xFF;
Firmware[0x3A] = rand()&0xFF;
Firmware[0x3B] = rand()&0xFF;
// disable autoboot
//Firmware[userdata+0x64] &= 0xBF;
*(u16*)&Firmware[userdata+0x72] = CRC16(&Firmware[userdata], 0x70, 0xFFFF);
if (Config::RandomizeMAC)
{
// replace MAC address with random address
Firmware[0x36] = 0x00;
Firmware[0x37] = 0x09;
Firmware[0x38] = 0xBF;
Firmware[0x39] = rand()&0xFF;
Firmware[0x3A] = rand()&0xFF;
Firmware[0x3B] = rand()&0xFF;
*(u16*)&Firmware[0x2A] = CRC16(&Firmware[0x2C], *(u16*)&Firmware[0x2C], 0x0000);
}
*(u16*)&Firmware[0x2A] = CRC16(&Firmware[0x2C], *(u16*)&Firmware[0x2C], 0x0000);
}
printf("MAC: %02X:%02X:%02X:%02X:%02X:%02X\n",
@ -232,16 +230,30 @@ void DoSavestate(Savestate* file)
file->Var32(&Addr);
}
void SetupDirectBoot()
void SetupDirectBoot(bool dsi)
{
NDS::ARM9Write32(0x027FF864, 0);
NDS::ARM9Write32(0x027FF868, *(u16*)&Firmware[0x20] << 3);
if (dsi)
{
for (u32 i = 0; i < 6; i += 2)
DSi::ARM9Write16(0x02FFFCF4, *(u16*)&Firmware[0x36+i]); // MAC address
NDS::ARM9Write16(0x027FF874, *(u16*)&Firmware[0x26]);
NDS::ARM9Write16(0x027FF876, *(u16*)&Firmware[0x04]);
// checkme
DSi::ARM9Write16(0x02FFFCFA, *(u16*)&Firmware[0x3C]); // enabled channels
for (u32 i = 0; i < 0x70; i += 4)
NDS::ARM9Write32(0x027FFC80+i, *(u32*)&Firmware[UserSettings+i]);
for (u32 i = 0; i < 0x70; i += 4)
DSi::ARM9Write32(0x02FFFC80+i, *(u32*)&Firmware[UserSettings+i]);
}
else
{
NDS::ARM9Write32(0x027FF864, 0);
NDS::ARM9Write32(0x027FF868, *(u16*)&Firmware[0x20] << 3); // user settings offset
NDS::ARM9Write16(0x027FF874, *(u16*)&Firmware[0x26]); // CRC16 for data/gfx
NDS::ARM9Write16(0x027FF876, *(u16*)&Firmware[0x04]); // CRC16 for GUI/wifi code
for (u32 i = 0; i < 0x70; i += 4)
NDS::ARM9Write32(0x027FFC80+i, *(u32*)&Firmware[UserSettings+i]);
}
}
u8 GetConsoleType() { return Firmware[0x1D]; }