From 7b45eb843e968b787b1ec367b41c98585227dbcd Mon Sep 17 00:00:00 2001
From: Ada Christine <adachristine18@gmail.com>
Date: Thu, 13 Jan 2022 14:23:20 +0000
Subject: msr_read() and msr_write(), rudimentary syscall thing

---
 kc/core/cpu.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'kc/core/cpu.h')

diff --git a/kc/core/cpu.h b/kc/core/cpu.h
index 56a4073..2d5e134 100644
--- a/kc/core/cpu.h
+++ b/kc/core/cpu.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <stdint.h>
+
 void cpu_init(void);
 
 void isr_install(int vec, void (*isr)(void), int ist, int trap);
@@ -7,3 +9,7 @@ void ist_install(int ist, void *stack);
 
 void int_enable(void);
 void int_disable(void);
+
+uint64_t msr_read(uint32_t index);
+void msr_write(uint32_t index, uint64_t value);
+
-- 
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