diff options
| -rw-r--r-- | src/arch/riscv/include/arch/cpu.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/arch/riscv/include/arch/cpu.h b/src/arch/riscv/include/arch/cpu.h index a0ca3ce534..6008c75122 100644 --- a/src/arch/riscv/include/arch/cpu.h +++ b/src/arch/riscv/include/arch/cpu.h @@ -16,6 +16,8 @@ #ifndef __ARCH_CPU_H__ #define __ARCH_CPU_H__ +#include <arch/encoding.h> + #define asmlinkage #if !defined(__PRE_RAM__) @@ -44,5 +46,10 @@ struct cpuinfo_riscv { #endif +static inline int supports_extension(char ext) +{ + return read_csr(misa) & (1 << (ext - 'A')); +} + struct cpu_info *cpu_info(void); #endif /* __ARCH_CPU_H__ */ |