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实现了打开、关闭、读取文件的功能

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fslongjin
2022-04-27 20:49:10 +08:00
parent 966d67fcde
commit b3ad8405a4
10 changed files with 258 additions and 105 deletions
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8
kernel/driver/disk/ahci/ahci.h
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@ -17,11 +17,11 @@
#define HBA_PxCMD_FR 0x4000
#define HBA_PxCMD_CR 0x8000
#define ATA_DEV_BUSY 0x80
#define ATA_DEV_DRQ 0x08
#define AHCI_DEV_BUSY 0x80
#define AHCI_DEV_DRQ 0x08
#define ATA_CMD_READ_DMA_EXT 0x25
#define ATA_CMD_WRITE_DMA_EXT 0x30
#define AHCI_CMD_READ_DMA_EXT 0x25
#define AHCI_CMD_WRITE_DMA_EXT 0x30
#define HBA_PxIS_TFES (1 << 30) /* TFES - Task File Error Status */