diff options
Diffstat (limited to 'arch/riscv/lib/sbi.c')
| -rw-r--r-- | arch/riscv/lib/sbi.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/riscv/lib/sbi.c b/arch/riscv/lib/sbi.c index 2b53896b8a..d427d1b29e 100644 --- a/arch/riscv/lib/sbi.c +++ b/arch/riscv/lib/sbi.c @@ -90,6 +90,25 @@ int sbi_get_impl_id(void) } /** + * sbi_get_impl_version() - get SBI implementation version + * + * @version: pointer to receive version + * Return: 0 on success, -ENOTSUPP otherwise + */ +int sbi_get_impl_version(long *version) +{ + struct sbiret ret; + + ret = sbi_ecall(SBI_EXT_BASE, SBI_EXT_BASE_GET_IMP_VERSION, + 0, 0, 0, 0, 0, 0); + if (ret.error) + return -ENOTSUPP; + if (version) + *version = ret.value; + return 0; +} + +/** * sbi_probe_extension() - Check if an SBI extension ID is supported or not. * @extid: The extension ID to be probed. * |