diff options
| author | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2022-03-16 21:21:18 +0100 |
|---|---|---|
| committer | Leo Yu-Chi Liang <ycliang@andestech.com> | 2022-04-06 09:40:05 +0800 |
| commit | 70ae54bd2579568372e79f69417e5cb568b24b6f (patch) | |
| tree | ce87097c30f9770814f60515e074a5b432032c6f | |
| parent | 59bffec43a657598b194b9eb30dc01eec06078c7 (diff) | |
cmd: sbi: add Performance Monitoring Unit Extension
Version 1.0-rc3 of the RISC-V Supervisor Binary Interface Specification
has added the Performance Monitoring Unit Extension.
The sbi command should be able to detect it.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
| -rw-r--r-- | arch/riscv/include/asm/sbi.h | 1 | ||||
| -rw-r--r-- | cmd/riscv/sbi.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index bfcd204953..76453121ea 100644 --- a/arch/riscv/include/asm/sbi.h +++ b/arch/riscv/include/asm/sbi.h @@ -27,6 +27,7 @@ enum sbi_ext_id { SBI_EXT_RFENCE = 0x52464E43, SBI_EXT_HSM = 0x48534D, SBI_EXT_SRST = 0x53525354, + SBI_EXT_PMU = 0x504D55, }; enum sbi_ext_base_fid { diff --git a/cmd/riscv/sbi.c b/cmd/riscv/sbi.c index c4a9c840f3..8349123925 100644 --- a/cmd/riscv/sbi.c +++ b/cmd/riscv/sbi.c @@ -44,6 +44,7 @@ static struct sbi_ext extensions[] = { { SBI_EXT_RFENCE, "RFENCE Extension" }, { SBI_EXT_HSM, "Hart State Management Extension" }, { SBI_EXT_SRST, "System Reset Extension" }, + { SBI_EXT_PMU, "Performance Monitoring Unit Extension" }, }; static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc, |