[PATCH 2/8] MIPS: Set ISA level for MSA control reg helpers

Jiaxun Yang
2023-04-09T10:43:24Z

MSA instructions requires at least Release 2 to be available.
Setting ISA level here to make GAS happy when building kernel
for earlier CPUs.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
arch/mips/include/asm/msa.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/mips/include/asm/msa.h b/arch/mips/include/asm/msa.h
index a9ca57e3f780..e13e538a7889 100644
--- a/arch/mips/include/asm/msa.h
+++ b/arch/mips/include/asm/msa.h
@@ -175,10 +175,12 @@ static inline void init_msa_upper(void)
#define _ASM_UNSET_CTCMSA ".purgem ctcmsa\n\t"
#else /* CONFIG_AS_HAS_MSA */
#define _ASM_SET_CFCMSA \
+ ".set\t"MIPS_ISA_LEVEL"\n\t" \
".set\tfp=64\n\t" \
".set\tmsa\n\t"
#define _ASM_UNSET_CFCMSA
#define _ASM_SET_CTCMSA \
+ ".set\t"MIPS_ISA_LEVEL"\n\t" \
".set\tfp=64\n\t" \
".set\tmsa\n\t"
#define _ASM_UNSET_CTCMSA
--
2.39.2 (Apple Git-143)