diff options
| -rw-r--r-- | src/arch/riscv/include/sbi.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/arch/riscv/include/sbi.h b/src/arch/riscv/include/sbi.h index 8c526fcd81..9f8e4105c0 100644 --- a/src/arch/riscv/include/sbi.h +++ b/src/arch/riscv/include/sbi.h @@ -13,6 +13,19 @@ #define SBI_REMOTE_SFENCE_VMA_ASID 7 #define SBI_SHUTDOWN 8 +// Here begins the complex set of things added by +// later SBI. Unlike the original design, these +// require bits of state to be maintained in SBI. +// Disappointing! +#define SBI_BASE_EXTENSION 0x10 +# define SBI_GET_SBI_SPEC_VERSION 0 +# define SBI_GET_SBI_IMPL_ID 1 +# define SBI_GET_SBI_IMPL_VERSION 2 +# define SBI_PROBE_EXTENSION 3 +# define SBI_GET_MVENDORID 4 +# define SBI_GET_MARCHID 5 +# define SBI_GET_MIMPID 6 + #define SBI_ENOSYS 38 #define IPI_SOFT 1 |