diff options
Diffstat (limited to 'dev/boot/src')
| -rw-r--r-- | dev/boot/src/HEL/AMD64/BootATA.cc | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/dev/boot/src/HEL/AMD64/BootATA.cc b/dev/boot/src/HEL/AMD64/BootATA.cc index e5e0d8c2..25810222 100644 --- a/dev/boot/src/HEL/AMD64/BootATA.cc +++ b/dev/boot/src/HEL/AMD64/BootATA.cc @@ -88,7 +88,8 @@ ATAInit_Retry: /// fetch serial info /// model, speed, number of sectors... - while (!(rt_in8(IO + ATA_REG_STATUS) & ATA_SR_DRQ)); + while (!(rt_in8(IO + ATA_REG_STATUS) & ATA_SR_DRQ)) + ; for (SizeT indexData = 0ul; indexData < kATADataLen; ++indexData) { kATAData[indexData] = rt_in16(IO + ATA_REG_DATA); @@ -114,14 +115,15 @@ Void boot_ata_read(UInt64 Lba, UInt16 IO, UInt8 Master, CharacterTypeASCII* Buf, 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) { boot_ata_wait_io(IO); @@ -147,14 +149,15 @@ Void boot_ata_write(UInt64 Lba, UInt16 IO, UInt8 Master, CharacterTypeASCII* Buf 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) { boot_ata_wait_io(IO); |