diff options
Diffstat (limited to 'src/kernel/HALKit/AMD64/Storage/PIO+Generic.cc')
| -rw-r--r-- | src/kernel/HALKit/AMD64/Storage/PIO+Generic.cc | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/kernel/HALKit/AMD64/Storage/PIO+Generic.cc b/src/kernel/HALKit/AMD64/Storage/PIO+Generic.cc index 19497b5f..6f5ebb66 100644 --- a/src/kernel/HALKit/AMD64/Storage/PIO+Generic.cc +++ b/src/kernel/HALKit/AMD64/Storage/PIO+Generic.cc @@ -70,7 +70,8 @@ ATAInit_Retry: rt_out8(OutBus + ATA_REG_COMMAND, ATA_CMD_IDENTIFY); - while (!(rt_in8(IO + ATA_REG_STATUS) & ATA_SR_DRQ)); + while (!(rt_in8(IO + ATA_REG_STATUS) & ATA_SR_DRQ)) + ; /// fetch serial info /// model, speed, number of sectors... @@ -103,14 +104,15 @@ Void drv_pio_std_read(UInt64 Lba, UInt16 IO, UInt8 Master, Char* Buf, SizeT Sect rt_out8(IO + ATA_REG_SEC_COUNT0, ((Size + SectorSz) / 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); rt_out8(IO + ATA_REG_COMMAND, ATA_CMD_READ_PIO); - while (!(rt_in8(IO + ATA_REG_STATUS) & ATA_SR_DRQ)); + while (!(rt_in8(IO + ATA_REG_STATUS) & ATA_SR_DRQ)) + ; for (SizeT IndexOff = 0; IndexOff < Size; IndexOff += 2) { drv_pio_std_wait_io(IO); @@ -134,14 +136,15 @@ Void drv_pio_std_write(UInt64 Lba, UInt16 IO, UInt8 Master, Char* Buf, SizeT Sec rt_out8(IO + ATA_REG_SEC_COUNT0, ((Size + SectorSz) / 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); rt_out8(IO + ATA_REG_COMMAND, ATA_CMD_WRITE_PIO); - while (!(rt_in8(IO + ATA_REG_STATUS) & ATA_SR_DRQ)); + while (!(rt_in8(IO + ATA_REG_STATUS) & ATA_SR_DRQ)) + ; for (SizeT IndexOff = 0; IndexOff < Size; IndexOff += 2) { drv_pio_std_wait_io(IO); |