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| author | Anup Patel <apatel@ventanamicro.com> | 2022-07-22 18:54:54 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2023-10-20 16:50:28 +0530 |
| commit | dadf7886993c69c6838107573e250a3b3fda25e3 (patch) | |
| tree | bed3be7976cd1bf40d6639eaef62addebe1947be /arch/riscv/include/asm | |
| parent | 62d0c458f828949dd01bfe41daf3bed73ab9e288 (diff) | |
| download | lwn-dadf7886993c69c6838107573e250a3b3fda25e3.tar.gz lwn-dadf7886993c69c6838107573e250a3b3fda25e3.zip | |
RISC-V: Add defines for SBI debug console extension
We add SBI debug console extension related defines/enum to the
asm/sbi.h header.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'arch/riscv/include/asm')
| -rw-r--r-- | arch/riscv/include/asm/sbi.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index 5b4a1bf5f439..12dfda6bb924 100644 --- a/arch/riscv/include/asm/sbi.h +++ b/arch/riscv/include/asm/sbi.h @@ -30,6 +30,7 @@ enum sbi_ext_id { SBI_EXT_HSM = 0x48534D, SBI_EXT_SRST = 0x53525354, SBI_EXT_PMU = 0x504D55, + SBI_EXT_DBCN = 0x4442434E, /* Experimentals extensions must lie within this range */ SBI_EXT_EXPERIMENTAL_START = 0x08000000, @@ -236,6 +237,12 @@ enum sbi_pmu_ctr_type { /* Flags defined for counter stop function */ #define SBI_PMU_STOP_FLAG_RESET (1 << 0) +enum sbi_ext_dbcn_fid { + SBI_EXT_DBCN_CONSOLE_WRITE = 0, + SBI_EXT_DBCN_CONSOLE_READ = 1, + SBI_EXT_DBCN_CONSOLE_WRITE_BYTE = 2, +}; + #define SBI_SPEC_VERSION_DEFAULT 0x1 #define SBI_SPEC_VERSION_MAJOR_SHIFT 24 #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f |