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-rw-r--r--sys/include/arch/amd64/cpu.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/include/arch/amd64/cpu.h b/sys/include/arch/amd64/cpu.h
index 1968569..ee9bad7 100644
--- a/sys/include/arch/amd64/cpu.h
+++ b/sys/include/arch/amd64/cpu.h
@@ -138,6 +138,18 @@ amd64_write_cr4(uint64_t val)
__ASMV("mov %0, %%cr4" :: "r" (val) : "memory");
}
+static inline void
+amd64_fxsave(void *area)
+{
+ __ASMV("fxsave (%0)" :: "r" (area) : "memory");
+}
+
+static inline void
+amd64_fxrstor(void *area)
+{
+ __ASMV("fxrstor (%0)" :: "r" (area) : "memory");
+}
+
struct cpu_info *amd64_this_cpu(void);
#endif /* !_AMD64_CPU_H_ */