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riscv: add ISA extension parsing for Zfh/Zfh[min]

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Add parsing for Zfh[min] ISA extensions[1].

Link: https://drive.google.com/file/d/1z3tQQLm5ALsAD77PM0l0CHnapxWCeVzP/view [1]
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Evan Green <evan@rivosinc.com>
Link: https://lore.kernel.org/r/20231114141256.126749-10-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Clément Léger
2023-11-14 09:12:45 -05:00
committed by Palmer Dabbelt
parent 10815531c5
commit 11e8e1ee2c
2 changed files with 4 additions and 0 deletions
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arch/riscv/include/asm/hwcap.h
+2
View File
@@ -78,6 +78,8 @@
#define RISCV_ISA_EXT_ZVKSED 63
#define RISCV_ISA_EXT_ZVKSH 64
#define RISCV_ISA_EXT_ZVKT 65
#define RISCV_ISA_EXT_ZFH 66
#define RISCV_ISA_EXT_ZFHMIN 67
#define RISCV_ISA_EXT_MAX 128
#define RISCV_ISA_EXT_INVALID U32_MAX
arch/riscv/kernel/cpufeature.c
+2
View File
@@ -258,6 +258,8 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
__RISCV_ISA_EXT_DATA(zifencei, RISCV_ISA_EXT_ZIFENCEI),
__RISCV_ISA_EXT_DATA(zihintpause, RISCV_ISA_EXT_ZIHINTPAUSE),
__RISCV_ISA_EXT_DATA(zihpm, RISCV_ISA_EXT_ZIHPM),
__RISCV_ISA_EXT_DATA(zfh, RISCV_ISA_EXT_ZFH),
__RISCV_ISA_EXT_DATA(zfhmin, RISCV_ISA_EXT_ZFHMIN),
__RISCV_ISA_EXT_DATA(zba, RISCV_ISA_EXT_ZBA),
__RISCV_ISA_EXT_DATA(zbb, RISCV_ISA_EXT_ZBB),
__RISCV_ISA_EXT_DATA(zbc, RISCV_ISA_EXT_ZBC),