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arch/risc-v: add status fields for VS and XS

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add defintions for vector extension and additional user-mode
extension fields for MSTATUS and SSTATUS registers.

Signed-off-by: Yanfeng Liu <yfliu2008@qq.com>
This commit is contained in:
Yanfeng Liu 2024-01-28 20:09:46 +08:00 committed by Xiang Xiao
parent fff193324d
commit f69f0674f6
1 changed files with 16 additions and 0 deletions
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16
arch/risc-v/include/csr.h
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@ -306,6 +306,10 @@
#define MSTATUS_MPIE (0x1 << 7) /* Machine Previous Interrupt Enable */
#define MSTATUS_SPPU (0x0 << 8) /* Supervisor Previous Privilege (u-mode) */
#define MSTATUS_SPPS (0x1 << 8) /* Supervisor Previous Privilege (s-mode) */
#define MSTATUS_VS (0x3 << 9) /* Machine Vector-extension Status */
#define MSTATUS_VS_INIT (0x1 << 9)
#define MSTATUS_VS_CLEAN (0x2 << 9)
#define MSTATUS_VS_DIRTY (0x3 << 9)
#define MSTATUS_MPPU (0x0 << 11) /* Machine Previous Privilege (u-mode) */
#define MSTATUS_MPPS (0x1 << 11) /* Machine Previous Privilege (s-mode) */
#define MSTATUS_MPPM (0x3 << 11) /* Machine Previous Privilege (m-mode) */
@ -314,6 +318,10 @@
#define MSTATUS_FS_INIT (0x1 << 13)
#define MSTATUS_FS_CLEAN (0x2 << 13)
#define MSTATUS_FS_DIRTY (0x3 << 13)
#define MSTATUS_XS (0x3 << 15) /* Machine additional-extension Status */
#define MSTATUS_XS_INIT (0x1 << 15)
#define MSTATUS_XS_CLEAN (0x2 << 15)
#define MSTATUS_XS_DIRTY (0x3 << 15)
#define MSTATUS_MPRV (0x1 << 17) /* Modify Privilege */
#define MSTATUS_SUM (0x1 << 18) /* S mode access to U mode memory */
#define MSTATUS_MXR (0x1 << 19) /* Make executable / readable */
@ -351,10 +359,18 @@
#define SSTATUS_SPIE MSTATUS_SPIE
#define SSTATUS_SPPU MSTATUS_SPPU
#define SSTATUS_SPPS MSTATUS_SPPS
#define SSTATUS_VS MSTATUS_VS
#define SSTATUS_VS_INIT MSTATUS_VS_INIT
#define SSTATUS_VS_CLEAN MSTATUS_VS_CLEAN
#define SSTATUS_VS_DIRTY MSTATUS_VS_DIRTY
#define SSTATUS_FS MSTATUS_FS
#define SSTATUS_FS_INIT MSTATUS_FS_INIT
#define SSTATUS_FS_CLEAN MSTATUS_FS_CLEAN
#define SSTATUS_FS_DIRTY MSTATUS_FS_DIRTY
#define SSTATUS_XS MSTATUS_XS
#define SSTATUS_XS_INIT MSTATUS_XS_INIT
#define SSTATUS_XS_CLEAN MSTATUS_XS_CLEAN
#define SSTATUS_XS_DIRTY MSTATUS_XS_DIRTY
#define SSTATUS_SUM MSTATUS_SUM
#define SSTATUS_MXR MSTATUS_MXR