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properly handle ROMs with encrypted secure area

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Arisotura
2020-03-30 11:04:50 +02:00
parent 5f99a68151
commit 104b2a03aa
3 changed files with 68 additions and 22 deletions
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19
src/NDS.cpp
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@ -318,7 +318,24 @@ void SetupDirectBoot()
MapSharedWRAM(3);
for (u32 i = 0; i < bootparams[3]; i+=4)
u32 arm9start = 0;
// load the ARM9 secure area
if (bootparams[0] >= 0x4000 && bootparams[0] < 0x8000)
{
u8 securearea[0x800];
NDSCart::DecryptSecureArea(securearea);
for (u32 i = 0; i < 0x800; i+=4)
{
ARM9Write32(bootparams[2]+i, *(u32*)&securearea[i]);
arm9start += 4;
}
}
// CHECKME: firmware seems to load this in 0x200 byte chunks
for (u32 i = arm9start; i < bootparams[3]; i+=4)
{
u32 tmp = *(u32*)&NDSCart::CartROM[bootparams[0]+i];
ARM9Write32(bootparams[2]+i, tmp);