diff options
Diffstat (limited to 'dev/kernel/HALKit/AMD64/Storage')
| -rw-r--r-- | dev/kernel/HALKit/AMD64/Storage/AHCI+Generic.cc | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/dev/kernel/HALKit/AMD64/Storage/AHCI+Generic.cc b/dev/kernel/HALKit/AMD64/Storage/AHCI+Generic.cc index deea30e1..06c7781c 100644 --- a/dev/kernel/HALKit/AMD64/Storage/AHCI+Generic.cc +++ b/dev/kernel/HALKit/AMD64/Storage/AHCI+Generic.cc @@ -162,7 +162,7 @@ STATIC Void drv_std_input_output_ahci(UInt64 lba, UInt8* buffer, SizeT sector_sz SizeT prdt_index = 0; UIntPtr buffer_phys = (UIntPtr) ptr; - while (bytes_remaining > 0 && prdt_index < 8) { + while (bytes_remaining > 0) { SizeT chunk_size = bytes_remaining; if (chunk_size > kib_cast(32)) chunk_size = kib_cast(32); @@ -234,9 +234,11 @@ STATIC Void drv_std_input_output_ahci(UInt64 lba, UInt8* buffer, SizeT sector_sz err_global_get() = kErrorDiskIsCorrupted; return; } else { - rtl_dma_flush(ptr, size_buffer); - rt_copy_memory(ptr, buffer, size_buffer); - rtl_dma_flush(ptr, size_buffer); + if (!Write) { + rtl_dma_flush(ptr, size_buffer); + rt_copy_memory(ptr, buffer, size_buffer); + rtl_dma_flush(ptr, size_buffer); + } rtl_dma_free(size_buffer); @@ -424,7 +426,7 @@ Bool drv_std_detected_ahci() { /// //////////////////////////////////////////////////// Void drv_std_write(UInt64 lba, Char* buffer, SizeT sector_sz, SizeT size_buffer) { - drv_std_input_output_ahci<YES, YES, NO>(lba, reinterpret_cast<UInt8*>(buffer), sector_sz, + drv_std_input_output_ahci<YES, YES, NO>(lba / sector_sz, reinterpret_cast<UInt8*>(buffer), sector_sz, size_buffer); } @@ -432,7 +434,7 @@ Void drv_std_write(UInt64 lba, Char* buffer, SizeT sector_sz, SizeT size_buffer) /// //////////////////////////////////////////////////// Void drv_std_read(UInt64 lba, Char* buffer, SizeT sector_sz, SizeT size_buffer) { - drv_std_input_output_ahci<NO, YES, NO>(lba, reinterpret_cast<UInt8*>(buffer), sector_sz, + drv_std_input_output_ahci<NO, YES, NO>(lba / sector_sz, reinterpret_cast<UInt8*>(buffer), sector_sz, size_buffer); } @@ -499,7 +501,7 @@ namespace Detail { err_global_get() = kErrorSuccess; - drv_std_input_output_ahci<NO, YES, NO>(disk->fPacket.fPacketLba, + drv_std_input_output_ahci<NO, YES, NO>(disk->fPacket.fPacketLba / kAHCISectorSize, (UInt8*) disk->fPacket.fPacketContent, kAHCISectorSize, disk->fPacket.fPacketSize); } @@ -521,7 +523,7 @@ namespace Detail { err_global_get() = kErrorSuccess; - drv_std_input_output_ahci<YES, YES, NO>(disk->fPacket.fPacketLba, + drv_std_input_output_ahci<YES, YES, NO>(disk->fPacket.fPacketLba / kAHCISectorSize, (UInt8*) disk->fPacket.fPacketContent, kAHCISectorSize, disk->fPacket.fPacketSize); } |