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authorVincent Chen <vincent.chen@sifive.com>2021-03-22 15:26:02 +0100
committerPalmer Dabbelt <palmerdabbelt@google.com>2021-04-26 17:24:54 +0200
commit183787c6fcc2c793ec96e946a4fdd8cd0e6d7aa0 (patch)
tree4ff6143f4e427f5990a6a5d9c6e43867dce1b117 /arch/riscv/include
parentkbuild: buildtar: add riscv support (diff)
downloadlinux-183787c6fcc2c793ec96e946a4fdd8cd0e6d7aa0.tar.xz
linux-183787c6fcc2c793ec96e946a4fdd8cd0e6d7aa0.zip
riscv: Add 3 SBI wrapper functions to get cpu manufacturer information
Add 3 wrapper functions to get vendor id, architecture id and implement id from M-mode Signed-off-by: Vincent Chen <vincent.chen@sifive.com> Reviewed-by: Anup Patel <anup@brainfault.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/include')
-rw-r--r--arch/riscv/include/asm/sbi.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 99895d9c3bdd..dd2329962ceb 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -97,6 +97,9 @@ struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0,
void sbi_console_putchar(int ch);
int sbi_console_getchar(void);
+long sbi_get_mvendorid(void);
+long sbi_get_marchid(void);
+long sbi_get_mimpid(void);
void sbi_set_timer(uint64_t stime_value);
void sbi_shutdown(void);
void sbi_clear_ipi(void);