diff options
| author | Amlal <amlal.elmahrouss@icloud.com> | 2025-01-28 10:56:01 +0100 |
|---|---|---|
| committer | Amlal <amlal.elmahrouss@icloud.com> | 2025-01-28 10:56:01 +0100 |
| commit | 0601399a597280f849ce6c07f73f8124eea35c8d (patch) | |
| tree | cc8d9b781f9fa2615a42c3ad22df47415856161d /dev/Mod/AHCI | |
| parent | 97d9cac7420ee032e8a2c4ae5e55963003516116 (diff) | |
ADD: Improvements on the AHCI driver.
Signed-off-by: Amlal <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/Mod/AHCI')
| -rw-r--r-- | dev/Mod/AHCI/AHCI.h | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/dev/Mod/AHCI/AHCI.h b/dev/Mod/AHCI/AHCI.h index 937be6d2..87575e4e 100644 --- a/dev/Mod/AHCI/AHCI.h +++ b/dev/Mod/AHCI/AHCI.h @@ -59,21 +59,20 @@ typedef struct FisRegH2D final Kernel::UInt8 Reserved0 : 3; // Reserved Kernel::UInt8 CmdOrCtrl : 1; // 1: Command, 0: Control - Kernel::UInt8 Command; // Command register - Kernel::UInt8 FeatureLow; // Feature register, 7:0 + Kernel::UInt8 Command; // Command register + Kernel::UInt8 Featurel; // Feature register, 7:0 // DWORD 1 - Kernel::UInt8 Lba0; // LBA low register, 7:0 - Kernel::UInt8 Lba1; // LBA mid register, 15:8 - Kernel::UInt8 Lba2; - + Kernel::UInt8 Lba0; // LBA low register, 7:0 + Kernel::UInt8 Lba1; // LBA mid register, 15:8 + Kernel::UInt8 Lba2; // LBA high register, 23:16 Kernel::UInt8 Device; // Device register - Kernel::UInt8 Lba3; // Feature register, 15:8 - Kernel::UInt8 Lba4; - Kernel::UInt8 Lba5; - - Kernel::UInt8 FeatureHigh; + // DWORD 2 + Kernel::UInt8 Lba3; // LBA register, 31:24 + Kernel::UInt8 Lba4; // LBA register, 39:32 + Kernel::UInt8 Lba5; // LBA register, 47:40 + Kernel::UInt8 FeatureHigh; // Feature register, 15:8 // DWORD 3 Kernel::UInt8 CountLow; // Count register, 7:0 @@ -192,7 +191,7 @@ typedef struct FisDmaSetup final Kernel::UInt32 Rsvd; // More reserved // DWORD 4 - Kernel::UInt32 DmaBufOffset; // Byte offset into buffer. First 2 bits must be 0 + Kernel::UInt32 DmabufOffset; // Byte offset into buffer. First 2 bits must be 0 // DWORD 5 Kernel::UInt32 TransferCount; // Number of bytes to transfer. Bit 0 must be 0 @@ -229,7 +228,8 @@ typedef struct FisDevBits final typedef struct HbaPort final { - Kernel::UInt64 Clb; + Kernel::UInt32 Clb; // 0x00, command list base address, 1K-byte aligned + Kernel::UInt32 Clbu; // 0x04, command list base address upper 32 bits Kernel::UInt32 Fb; // 0x08, FIS base address, 256-byte aligned Kernel::UInt32 Fbu; // 0x0C, FIS base address upper 32 bits Kernel::UInt32 Is; // 0x10, interrupt status @@ -267,7 +267,7 @@ typedef struct HbaMem final Kernel::UInt8 Resv0[0xA0 - 0x2C]; Kernel::UInt8 Vendor[0x100 - 0xA0]; - HbaPort Ports[32]; // 1 ~ 32, 32 is the max ahci devices per controller. + HbaPort Ports[1]; // 1 ~ 32, 32 is the max ahci devices per controller. } HbaMem; typedef struct HbaCmdHeader final @@ -284,10 +284,11 @@ typedef struct HbaCmdHeader final Kernel::UInt8 Reserved0 : 1; // Reserved Kernel::UInt8 Pmp : 4; // Port multiplier port - Kernel::UInt16 Prdtl; // Physical region descriptor table length in entries - Kernel::UInt32 Prdbc; // Physical region descriptor byte count transferred + Kernel::UInt16 Prdtl; // Physical region descriptor table length in entries + volatile Kernel::UInt32 Prdbc; // Physical region descriptor byte count transferred - Kernel::UInt32 Ctba; // Command table descriptor base address + Kernel::UInt32 Ctba; // Command table descriptor base address + Kernel::UInt32 Ctbau; // Command table descriptor base address upper 32 bits Kernel::UInt32 Reserved1[4]; // Reserved } HbaCmdHeader; @@ -313,8 +314,8 @@ typedef struct HbaFis final typedef struct HbaPrdtEntry final { - Kernel::UInt32 Dba; // Data base address - Kernel::UInt32 Dbau; + Kernel::UInt32 Dba; // Data base address + Kernel::UInt32 Dbau; // Data base address upper 32 bits Kernel::UInt32 Reserved0; // Reserved // DW3 Kernel::UInt32 Dbc : 22; // Byte count, 4M max |