diff options
Diffstat (limited to 'dev/kernel/HALKit/AMD64/Storage/DMA+Generic.cc')
| -rw-r--r-- | dev/kernel/HALKit/AMD64/Storage/DMA+Generic.cc | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/dev/kernel/HALKit/AMD64/Storage/DMA+Generic.cc b/dev/kernel/HALKit/AMD64/Storage/DMA+Generic.cc index 4688203f..39efb7d3 100644 --- a/dev/kernel/HALKit/AMD64/Storage/DMA+Generic.cc +++ b/dev/kernel/HALKit/AMD64/Storage/DMA+Generic.cc @@ -105,7 +105,7 @@ Void drv_std_read(UInt64 Lba, UInt16 IO, UInt8 Master, Char* Buf, SizeT SectorSz rt_out8(IO + ATA_REG_SEC_COUNT0, ((Size + SectorSz - 1) / SectorSz)); - rt_out8(IO + ATA_REG_LBA0, (Lba) & 0xFF); + rt_out8(IO + ATA_REG_LBA0, (Lba) &0xFF); rt_out8(IO + ATA_REG_LBA1, (Lba) >> 8); rt_out8(IO + ATA_REG_LBA2, (Lba) >> 16); rt_out8(IO + ATA_REG_LBA3, (Lba) >> 24); @@ -123,7 +123,8 @@ Void drv_std_read(UInt64 Lba, UInt16 IO, UInt8 Master, Char* Buf, SizeT SectorSz rt_out8(kATADevice.Bar(0x20) + 0x00, 0x09); // Start DMA engine - while (rt_in8(kATADevice.Bar(0x20) + ATA_REG_STATUS) & 0x01); + while (rt_in8(kATADevice.Bar(0x20) + ATA_REG_STATUS) & 0x01) + ; rt_out8(kATADevice.Bar(0x20) + 0x00, 0x00); // Stop DMA engine @@ -146,7 +147,7 @@ Void drv_std_write(UInt64 Lba, UInt16 IO, UInt8 Master, Char* Buf, SizeT SectorS rt_out8(IO + ATA_REG_SEC_COUNT0, ((Size + (SectorSz - 1)) / SectorSz)); - rt_out8(IO + ATA_REG_LBA0, (Lba) & 0xFF); + rt_out8(IO + ATA_REG_LBA0, (Lba) &0xFF); rt_out8(IO + ATA_REG_LBA1, (Lba) >> 8); rt_out8(IO + ATA_REG_LBA2, (Lba) >> 16); rt_out8(IO + ATA_REG_LBA3, (Lba) >> 24); @@ -162,7 +163,8 @@ Void drv_std_write(UInt64 Lba, UInt16 IO, UInt8 Master, Char* Buf, SizeT SectorS rt_out8(IO + 0x00, 0x09); // Start DMA engine - while (rt_in8(kATADevice.Bar(0x20) + ATA_REG_STATUS) & 0x01); + while (rt_in8(kATADevice.Bar(0x20) + ATA_REG_STATUS) & 0x01) + ; rt_out8(kATADevice.Bar(0x20) + 0x00, 0x00); // Stop DMA engine |