From 8d39bb60cd946b27b824cdb3b0556cd47e67cf98 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20Hord=C3=A9?= <nicolas@palon.fr>
Date: Mon, 2 Apr 2007 13:57:27 +0000
Subject: [PATCH] =?UTF-8?q?feat:=20d=C3=A9claration=20de=20fonctions=20aya?=
 =?UTF-8?q?nt=20rapport=20avec=20la=20d=C3=A9tection=20du=20CPU?=
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---
 include/cpuid.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 include/cpuid.h

diff --git a/include/cpuid.h b/include/cpuid.h
new file mode 100644
index 0000000..bde58ca
--- /dev/null
+++ b/include/cpuid.h
@@ -0,0 +1,24 @@
+
+inline bool cansetflag (u32 flag)
+{
+u32 r1, r2;
+asm("pushfl\n"
+"popl %0\n"
+"movl %0, %1\n"
+"xorl %2, %0\n"
+"pushl %0\n"
+"popfl\n"
+"pushfl\n"
+"popl %0\n"
+"pushl %1\n"
+"popfl\n"
+: "=&r" (r1), "=&r" (r2)
+: "ir" (flag)
+);
+return ((r1 ^ r2) & flag) != 0;
+}
+
+inline void cpuid(u32 op, u32 *eax, u32 *ebx,u32 *ecx, u32 *edx)
+{
+	asm("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)	: "a" (op) : "cc");
+}