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include: Add defines for [m|h|s]envcfg CSRs

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The latest RISC-V privileged specification introduces xenvcfg CSRs
to enable/disable certain features/extensions for lower privilege
modes. This patch adds defines for these new [m|h|s]envcfg CSRs.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Xiang W <wxjstz@126.com>
This commit is contained in:
Anup Patel
2022-03-29 19:00:37 +05:30
committed by Anup Patel
parent 7924a0b220
commit 722f80d8e9
1 changed files with 27 additions and 0 deletions
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27
include/sbi/riscv_encoding.h
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@@ -203,6 +203,22 @@
#define MHPMEVENT_SSCOF_MASK _ULL(0xFFFF000000000000)
#if __riscv_xlen > 32
#define ENVCFG_STCE (_ULL(1) << 63)
#define ENVCFG_PBMTE (_ULL(1) << 62)
#else
#define ENVCFGH_STCE (_UL(1) << 31)
#define ENVCFGH_PBMTE (_UL(1) << 30)
#endif
#define ENVCFG_CBZE (_UL(1) << 7)
#define ENVCFG_CBCFE (_UL(1) << 6)
#define ENVCFG_CBIE_SHIFT 4
#define ENVCFG_CBIE (_UL(0x3) << ENVCFG_CBIE_SHIFT)
#define ENVCFG_CBIE_ILL _UL(0x0)
#define ENVCFG_CBIE_FLUSH _UL(0x1)
#define ENVCFG_CBIE_INV _UL(0x3)
#define ENVCFG_FIOM _UL(0x1)
/* ===== User-level CSRs ===== */
/* User Trap Setup (N-extension) */
@@ -298,6 +314,9 @@
#define CSR_STVEC 0x105
#define CSR_SCOUNTEREN 0x106
/* Supervisor Configuration */
#define CSR_SENVCFG 0x10a
/* Supervisor Trap Handling */
#define CSR_SSCRATCH 0x140
#define CSR_SEPC 0x141
@@ -336,6 +355,10 @@
#define CSR_HCOUNTEREN 0x606
#define CSR_HGEIE 0x607
/* Hypervisor Configuration */
#define CSR_HENVCFG 0x60a
#define CSR_HENVCFGH 0x61a
/* Hypervisor Trap Handling (H-extension) */
#define CSR_HTVAL 0x643
#define CSR_HIP 0x644
@@ -408,6 +431,10 @@
#define CSR_MCOUNTEREN 0x306
#define CSR_MSTATUSH 0x310
/* Machine Configuration */
#define CSR_MENVCFG 0x30a
#define CSR_MENVCFGH 0x31a
/* Machine Trap Handling */
#define CSR_MSCRATCH 0x340
#define CSR_MEPC 0x341