X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_lowlevel.h;h=6558884603154e11ab506fb30a09d21dda6f5712;hb=b20b234c37cae136df988f94a5461cf7a073cc9e;hp=687069f6d143f0ef57fcc884aa0ca0dc48c15e77;hpb=b7cb21f4a2443581074c0a3374ef9d88e72c51ce;p=palacios-OLD.git

diff --git a/palacios/include/palacios/vmm_lowlevel.h b/palacios/include/palacios/vmm_lowlevel.h
index 687069f..6558884 100644
--- a/palacios/include/palacios/vmm_lowlevel.h
+++ b/palacios/include/palacios/vmm_lowlevel.h
@@ -20,6 +20,10 @@
 #include <palacios/vmm_types.h>
 
 
+#define CPUID_FEATURE_IDS 0x80000001
+#define CPUID_EXT_FEATURE_IDS 0x80000001
+
+
 #ifdef __V3_32BIT__
 
 static void __inline__ v3_cpuid(uint_t target, addr_t * eax, addr_t * ebx, addr_t * ecx, addr_t * edx) {
@@ -81,3 +85,57 @@ static void __inline__ v3_disable_ints() {
     __asm__ __volatile__ ("cli");
 }
 
+
+
+
+#ifdef __V3_32BIT__
+
+static addr_t __inline__ v3_irq_save() {
+    addr_t state;
+
+    __asm__ __volatile__ ("pushf \n\t"
+			  "popl %0 \n\t"
+			  "cli \n\t"
+			  :"=g" (state)
+			  : 
+			  :"memory"
+			  ); 
+    return state;
+}
+
+static void __inline__ v3_irq_restore(addr_t state) {
+    __asm__ __volatile__("pushl %0 \n\t"
+			 "popfl \n\t"
+			 : 
+			 :"g" (state)
+			 :"memory", "cc"
+			 );
+}
+
+#elif __V3_64BIT__
+
+static addr_t __inline__ v3_irq_save() {
+    addr_t state; 
+
+    __asm__ __volatile__ ("pushfq \n\t"
+			  "popq %0 \n\t"
+			  "cli \n\t"
+			  :"=g" (state)
+			  : 
+			  :"memory"
+			  ); 
+
+    return state;
+}
+
+
+static void __inline__ v3_irq_restore(addr_t state) {
+    __asm__ __volatile__("pushq %0 \n\t"
+			 "popfq \n\t"
+			 : 
+			 :"g" (state)
+			 :"memory", "cc"
+			 );
+}
+
+#endif