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RISC-V: Add defines for SBI debug console extension

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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>
This commit is contained in:
Anup Patel 2022-07-22 18:54:54 +05:30 committed by Anup Patel
parent 62d0c458f8
commit dadf788699
1 changed files with 7 additions and 0 deletions
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7
arch/riscv/include/asm/sbi.h
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@ -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