================
@@ -329,6 +329,28 @@ static __inline__ void __DEFAULT_FN_ATTRS __stosq(unsigned
__int64 *__dst,
static __inline__ void __DEFAULT_FN_ATTRS __halt(void) {
__asm__ volatile("hlt");
}
+
+static inline int _inp(unsigned short port) {
+ int ret;
+ __asm__ volatile("inb %w1, %b0" : "=a"(ret) : "Nd"(port));
+ return ret;
+}
+
+static inline unsigned short _inpw(unsigned short port) {
+ unsigned short ret;
+ __asm__ volatile("inw %w1, %w0" : "=a"(ret) : "Nd"(port));
+ return ret;
+}
+
+static inline unsigned long _inpd(unsigned short port) {
+ unsigned long ret;
+ __asm__ volatile("inl %w1, %k0" : "=a"(ret) : "Nd"(port));
+ return ret;
+}
+
+#define inp(port) _inp((port))
+#define inpw(port) _inpw((port))
----------------
phoebewang wrote:
>From MSVC doc:
> The inp and inpw names are older, deprecated names for the _inp and _inpw
> functions.
Maybe we don't need to provide them now.
https://github.com/llvm/llvm-project/pull/93804
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