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Remove the TODO in romfs.cpp

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offtkp 2023-07-29 23:04:32 +03:00
parent d610cfa826
commit e6098ba7ae
1 changed files with 4 additions and 3 deletions
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7
src/core/fs/romfs.cpp
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@ -160,9 +160,10 @@ namespace RomFS {
} }
uintptr_t masterHashOffset = RomFS::alignUp(ivfcSize, 0x10); uintptr_t masterHashOffset = RomFS::alignUp(ivfcSize, 0x10);
// For a weird reason, the level 3 offset is not the one in the IVFC, instead it's // From GBATEK:
// the first block after the master hash // The "Logical Offsets" are completely unrelated to the physical offsets in the RomFS partition.
// TODO: Find out why and explain in the comment // Instead, the "Logical Offsets" might be something about where to map the Level 1-3 sections in
// virtual memory (with the physical Level 3,1,2 ordering being re-ordered to Level 1,2,3)?
uintptr_t level3Offset = RomFS::alignUp(masterHashOffset + ivfc.masterHashSize, ivfc.levels[2].blockSize); uintptr_t level3Offset = RomFS::alignUp(masterHashOffset + ivfc.masterHashSize, ivfc.levels[2].blockSize);
uintptr_t level3Base = (uintptr_t)romFS + level3Offset; uintptr_t level3Base = (uintptr_t)romFS + level3Offset;
u32* level3Ptr = (u32*)level3Base; u32* level3Ptr = (u32*)level3Base;