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cmd: sbi: add Performance Monitoring Unit Extension

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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>
This commit is contained in:
Heinrich Schuchardt 2022-03-16 21:21:18 +01:00 committed by Leo Yu-Chi Liang
parent 59bffec43a
commit 70ae54bd25
2 changed files with 2 additions and 0 deletions
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1
arch/riscv/include/asm/sbi.h
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@ -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 {

1
cmd/riscv/sbi.c
View File

@ -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,