diff options
| author | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2025-03-14 08:19:35 +0100 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2025-03-14 08:19:35 +0100 |
| commit | b244cd4bdfb83b3f87c16f8d03725f84cfd0760e (patch) | |
| tree | 96e26346bc0ab41115c4abffa20e228a34d46008 /dev/Mod/AHCI | |
| parent | 27f4afb0e6bf21124ea4ca74e38821ecfe250388 (diff) | |
AHCI: Important tweaks.
Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/Mod/AHCI')
| -rw-r--r-- | dev/Mod/AHCI/AHCI.h | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/dev/Mod/AHCI/AHCI.h b/dev/Mod/AHCI/AHCI.h index 9e534a1a..d4f8ceb1 100644 --- a/dev/Mod/AHCI/AHCI.h +++ b/dev/Mod/AHCI/AHCI.h @@ -271,16 +271,22 @@ typedef struct HbaMem final typedef struct HbaCmdHeader final { // DW0 - NeOS::UInt8 Cfl : 5; // Command FIS length in DWORDS, 2 ~ 16 - NeOS::UInt8 Atapi : 1; // ATAPI - NeOS::UInt8 Write : 1; // Write, 1: H2D, 0: D2H - NeOS::UInt8 Prefetchable : 1; // Prefetchable - - NeOS::UInt8 Reset : 1; // Reset - NeOS::UInt8 BIST : 1; // BIST - NeOS::UInt8 Clear : 1; // Clear busy upon R_OK - NeOS::UInt8 Reserved0 : 1; // Reserved - NeOS::UInt8 Pmp : 4; // Port multiplier port + union { + struct + { + NeOS::UInt8 Cfl : 5; // Command FIS length in DWORDS, 2 ~ 16 + NeOS::UInt8 Atapi : 1; // ATAPI + NeOS::UInt8 Write : 1; // Write, 1: H2D, 0: D2H + NeOS::UInt8 Prefetchable : 1; // Prefetchable + + NeOS::UInt8 Reset : 1; // Reset + NeOS::UInt8 BIST : 1; // BIST + NeOS::UInt8 Clear : 1; // Clear busy upon R_OK + NeOS::UInt8 Reserved0 : 1; // Reserved + NeOS::UInt8 Pmp : 4; // Port multiplier port + }; + NeOS::UInt16 Flags; + }; NeOS::UInt16 Prdtl; // Physical region descriptor table length in entries NeOS::UInt32 Prdbc; // Physical region descriptor byte count transferred @@ -288,8 +294,8 @@ typedef struct HbaCmdHeader final NeOS::UInt32 Ctba; // Command table descriptor base address NeOS::UInt32 Ctbau; // Command table descriptor base address upper 32 bits - NeOS::UInt32 Rscv[4]; -} HbaCmdHeader; + NeOS::UInt32 Rsv[4]; +} ATTRIBUTE(packed, aligned(32)) HbaCmdHeader; typedef struct HbaFis final { |