From 955d6a381f53c234ce1f4d52aa57f183ed9a6e65 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Tue, 4 Jun 2024 22:13:30 -0400
Subject: kernel/amd64: Support IBRS

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/include/arch/amd64/msr.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'sys/include/arch/amd64')

diff --git a/sys/include/arch/amd64/msr.h b/sys/include/arch/amd64/msr.h
index bc0dbcb..6ad95f1 100644
--- a/sys/include/arch/amd64/msr.h
+++ b/sys/include/arch/amd64/msr.h
@@ -33,6 +33,7 @@
 #define IA32_SPEC_CTL       0x00000048
 #define IA32_KERNEL_GS_BASE 0xC0000102
 
+#if !defined(__ASSEMBLER__)
 static inline uint64_t
 rdmsr(uint32_t msr_addr)
 {
@@ -60,4 +61,5 @@ wrmsr(uint32_t msr_addr, uint64_t value)
     );
 }
 
+#endif  /* !__ASSEMBLER__ */
 #endif  /* !_MACHINE_MSR_H_ */
-- 
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