Move read/write[bwl] from smp.c to util.h.

Move them to the header so other code can use them.

2 files changed, 19 insertions, 30 deletions

diff --git a/src/smp.c b/src/smp.c
index 68794729..ffeb5ae4 100644
--- a/src/smp.c
+++ b/src/smp.c
@@ -16,36 +16,6 @@
 
 #define APIC_ENABLED 0x0100
 
-static inline void writel(void *addr, u32 val)
-{
-    *(volatile u32 *)addr = val;
-}
-
-static inline void writew(void *addr, u16 val)
-{
-    *(volatile u16 *)addr = val;
-}
-
-static inline void writeb(void *addr, u8 val)
-{
-    *(volatile u8 *)addr = val;
-}
-
-static inline u32 readl(const void *addr)
-{
-    return *(volatile const u32 *)addr;
-}
-
-static inline u16 readw(const void *addr)
-{
-    return *(volatile const u16 *)addr;
-}
-
-static inline u8 readb(const void *addr)
-{
-    return *(volatile const u8 *)addr;
-}
-
 struct { u32 ecx, eax, edx; } smp_mtrr[16] VAR16VISIBLE;
 u32 smp_mtrr_count VAR16VISIBLE;
 
diff --git a/src/util.h b/src/util.h
index 401e6ea9..ca3aa314 100644
--- a/src/util.h
+++ b/src/util.h
@@ -94,6 +94,25 @@ static inline u32 __ffs(u32 word)
     return word;
 }
 
+static inline void writel(void *addr, u32 val) {
+    *(volatile u32 *)addr = val;
+}
+static inline void writew(void *addr, u16 val) {
+    *(volatile u16 *)addr = val;
+}
+static inline void writeb(void *addr, u8 val) {
+    *(volatile u8 *)addr = val;
+}
+static inline u32 readl(const void *addr) {
+    return *(volatile const u32 *)addr;
+}
+static inline u16 readw(const void *addr) {
+    return *(volatile const u16 *)addr;
+}
+static inline u8 readb(const void *addr) {
+    return *(volatile const u8 *)addr;
+}
+
 // GDT bit manipulation
 #define GDT_BASE(v)  ((((u64)(v) & 0xff000000) << 32)           \
                       | (((u64)(v) & 0x00ffffff) << 16))