diff options
| -rw-r--r-- | include/sbi/riscv_encoding.h | 10 | ||||
| -rw-r--r-- | include/sbi/sbi_hart.h | 2 | ||||
| -rw-r--r-- | lib/sbi/sbi_hart.c | 1 |
3 files changed, 13 insertions, 0 deletions
diff --git a/include/sbi/riscv_encoding.h b/include/sbi/riscv_encoding.h index 3c1d5256..18f7b4a7 100644 --- a/include/sbi/riscv_encoding.h +++ b/include/sbi/riscv_encoding.h @@ -215,6 +215,10 @@ #endif +#define MNSTATUS_NMIE (_UL(0x8)) +#define MNSTATUS_MNPV (_UL(0x80)) +#define MNSTATUS_MNPP (_UL(0x1800)) + #define MHPMEVENT_SSCOF_MASK _ULL(0xFF00000000000000) #define ENVCFG_STCE (_ULL(1) << 63) @@ -830,6 +834,12 @@ #define CSR_CUSTOM10_M_RO_BASE 0xFC0 #define CSR_CUSTOM10_M_RO_COUNT 0x040 +/* Smrnmi extension registers */ +#define CSR_MNSCRATCH 0x740 +#define CSR_MNEPC 0x741 +#define CSR_MNCAUSE 0x742 +#define CSR_MNSTATUS 0x744 + /* ===== Trap/Exception Causes ===== */ #define CAUSE_MISALIGNED_FETCH 0x0 diff --git a/include/sbi/sbi_hart.h b/include/sbi/sbi_hart.h index a788b34c..937cdf29 100644 --- a/include/sbi/sbi_hart.h +++ b/include/sbi/sbi_hart.h @@ -87,6 +87,8 @@ enum sbi_hart_extensions { SBI_HART_EXT_XSIFIVE_CFLUSH_D_L1, /** Hart has Xsfcease extension */ SBI_HART_EXT_XSIFIVE_CEASE, + /** Hart has Smrnmi extension */ + SBI_HART_EXT_SMRNMI, /** Maximum index of Hart extension */ SBI_HART_EXT_MAX, diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c index 99e13990..4aefb759 100644 --- a/lib/sbi/sbi_hart.c +++ b/lib/sbi/sbi_hart.c @@ -396,6 +396,7 @@ const struct sbi_hart_ext_data sbi_hart_ext[] = { __SBI_HART_EXT_DATA(ssstateen, SBI_HART_EXT_SSSTATEEN), __SBI_HART_EXT_DATA(xsfcflushdlone, SBI_HART_EXT_XSIFIVE_CFLUSH_D_L1), __SBI_HART_EXT_DATA(xsfcease, SBI_HART_EXT_XSIFIVE_CEASE), + __SBI_HART_EXT_DATA(smrnmi, SBI_HART_EXT_SMRNMI), }; _Static_assert(SBI_HART_EXT_MAX == array_size(sbi_hart_ext), |