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Reverted the fix because it turned out I had actually misread the code.

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OBattler
2025-03-25 06:32:12 +01:00
parent 8da843bb0a
commit d7529d4f5e
1 changed files with 11 additions and 11 deletions
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22
src/dma.c
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@@ -1877,15 +1877,15 @@ dma_bm_read(uint32_t PhysAddress, uint8_t *DataRead, uint32_t TotalSize, int Tra
n2 = TotalSize - n;
/* Do the divisible block, if there is one. */
if (n2) {
for (uint32_t i = 0; i < n2; i += TransferSize)
if (n) {
for (uint32_t i = 0; i < n; i += TransferSize)
mem_read_phys((void *) &(DataRead[i]), PhysAddress + i, TransferSize);
}
/* Do the non-divisible block, if there is one. */
if (n) {
mem_read_phys((void *) bytes, PhysAddress + n2, TransferSize);
memcpy((void *) &(DataRead[n2]), bytes, n);
if (n2) {
mem_read_phys((void *) bytes, PhysAddress + n, TransferSize);
memcpy((void *) &(DataRead[n]), bytes, n2);
}
}
@@ -1900,16 +1900,16 @@ dma_bm_write(uint32_t PhysAddress, const uint8_t *DataWrite, uint32_t TotalSize,
n2 = TotalSize - n;
/* Do the divisible block, if there is one. */
if (n2) {
for (uint32_t i = 0; i < n2; i += TransferSize)
if (n) {
for (uint32_t i = 0; i < n; i += TransferSize)
mem_write_phys((void *) &(DataWrite[i]), PhysAddress + i, TransferSize);
}
/* Do the non-divisible block, if there is one. */
if (n) {
mem_read_phys((void *) bytes, PhysAddress + n2, TransferSize);
memcpy(bytes, (void *) &(DataWrite[n2]), n);
mem_write_phys((void *) bytes, PhysAddress + n2, TransferSize);
if (n2) {
mem_read_phys((void *) bytes, PhysAddress + n, TransferSize);
memcpy(bytes, (void *) &(DataWrite[n]), n2);
mem_write_phys((void *) bytes, PhysAddress + n, TransferSize);
}
if (dma_at)