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| author | Atish Patra <atish.patra@wdc.com> | 2021-07-10 19:18:13 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2021-07-11 08:08:02 +0300 |
| commit | 37f9b0f2f265b2f312d974fb8d100b85b3faf94f (patch) | |
| tree | 914b0a37f87f7fe6a8bee2f248019bfa15012055 /lib/sbi/sbi_ecall.c | |
| parent | ae72ec091508196e29c07ae46bca106373d31e39 (diff) | |
| download | opensbi-37f9b0f2f265b2f312d974fb8d100b85b3faf94f.tar.xz | |
lib: sbi: Implement SBI PMU extension
RISC-V SBI specfication 0.3 defines a PMU extension that allows supervisor
mode to start/stop/configure pmu related events. This patch implements
all of the functionality defined in the specification.
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'lib/sbi/sbi_ecall.c')
| -rw-r--r-- | lib/sbi/sbi_ecall.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sbi/sbi_ecall.c b/lib/sbi/sbi_ecall.c index e92a539..ce021eb 100644 --- a/lib/sbi/sbi_ecall.c +++ b/lib/sbi/sbi_ecall.c @@ -164,6 +164,9 @@ int sbi_ecall_init(void) ret = sbi_ecall_register_extension(&ecall_srst); if (ret) return ret; + ret = sbi_ecall_register_extension(&ecall_pmu); + if (ret) + return ret; ret = sbi_ecall_register_extension(&ecall_legacy); if (ret) return ret; |