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cmd: sbi: add support for Debug Trigger Extension

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Detect and show if the SBI implements the Debug Trigger Extension.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
This commit is contained in:
Heinrich Schuchardt 2024-01-17 17:46:52 +01:00 committed by Leo Yu-Chi Liang
parent 282159ff24
commit 6b0520c939
2 changed files with 2 additions and 0 deletions
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1
arch/riscv/include/asm/sbi.h
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@ -33,6 +33,7 @@ enum sbi_ext_id {
SBI_EXT_CPPC = 0x43505043, SBI_EXT_CPPC = 0x43505043,
SBI_EXT_NACL = 0x4E41434C, SBI_EXT_NACL = 0x4E41434C,
SBI_EXT_STA = 0x535441, SBI_EXT_STA = 0x535441,
SBI_EXT_DBTR = 0x44425452,
}; };
enum sbi_ext_base_fid { enum sbi_ext_base_fid {

1
cmd/riscv/sbi.c
View file

@ -53,6 +53,7 @@ static struct sbi_ext extensions[] = {
{ SBI_EXT_CPPC, "Collaborative Processor Performance Control Extension" }, { SBI_EXT_CPPC, "Collaborative Processor Performance Control Extension" },
{ SBI_EXT_NACL, "Nested Acceleration Extension" }, { SBI_EXT_NACL, "Nested Acceleration Extension" },
{ SBI_EXT_STA, "Steal-time Accounting Extension" }, { SBI_EXT_STA, "Steal-time Accounting Extension" },
{ SBI_EXT_DBTR, "Debug Trigger Extension" },
}; };
static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc, static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc,