riscv: Add 3 SBI wrapper functions to get cpu manufacturer information

[linux-2.6-microblaze.git] / arch / riscv / kernel / sbi.c

diff --git a/arch/riscv/kernel/sbi.c b/arch/riscv/kernel/sbi.c
index c0dcebd..fa0dd88 100644 (file)
--- a/arch/riscv/kernel/sbi.c
+++ b/arch/riscv/kernel/sbi.c
@@ -547,6 +547,21 @@ static inline long sbi_get_firmware_version(void)
        return __sbi_base_ecall(SBI_EXT_BASE_GET_IMP_VERSION);
 }
 
+long sbi_get_mvendorid(void)
+{
+       return __sbi_base_ecall(SBI_EXT_BASE_GET_MVENDORID);
+}
+
+long sbi_get_marchid(void)
+{
+       return __sbi_base_ecall(SBI_EXT_BASE_GET_MARCHID);
+}
+
+long sbi_get_mimpid(void)
+{
+       return __sbi_base_ecall(SBI_EXT_BASE_GET_MIMPID);
+}
+
 static void sbi_send_cpumask_ipi(const struct cpumask *target)
 {
        struct cpumask hartid_mask;