diff options
Diffstat (limited to 'src/ARMJIT.cpp')
| -rw-r--r-- | src/ARMJIT.cpp | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/src/ARMJIT.cpp b/src/ARMJIT.cpp index 2f9cad9..32f20d5 100644 --- a/src/ARMJIT.cpp +++ b/src/ARMJIT.cpp @@ -1,5 +1,5 @@ /* - Copyright 2016-2021 Arisotura, RSDuck + Copyright 2016-2022 melonDS team This file is part of melonDS. @@ -1086,11 +1086,34 @@ void InvalidateByAddr(u32 localAddr) void CheckAndInvalidateITCM() { - for (u32 i = 0; i < ITCMPhysicalSize; i+=16) + for (u32 i = 0; i < ITCMPhysicalSize; i+=512) { - if (CodeIndexITCM[i / 512].Code & (1 << ((i & 0x1FF) / 16))) + if (CodeIndexITCM[i / 512].Code) { - InvalidateByAddr(i | (ARMJIT_Memory::memregion_ITCM << 27)); + // maybe using bitscan would be better here? + // The thing is that in densely populated sets + // The old fashioned way can actually be faster + for (u32 j = 0; j < 512; j += 16) + { + if (CodeIndexITCM[i / 512].Code & (1 << ((j & 0x1FF) / 16))) + InvalidateByAddr((i+j) | (ARMJIT_Memory::memregion_ITCM << 27)); + } + } + } +} + +void CheckAndInvalidateWVRAM(int bank) +{ + u32 start = bank == 1 ? 0x20000 : 0; + for (u32 i = start; i < start+0x20000; i+=512) + { + if (CodeIndexARM7WVRAM[i / 512].Code) + { + for (u32 j = 0; j < 512; j += 16) + { + if (CodeIndexARM7WVRAM[i / 512].Code & (1 << ((j & 0x1FF) / 16))) + InvalidateByAddr((i+j) | (ARMJIT_Memory::memregion_VWRAM << 27)); + } } } } |