#include <palacios/vmm_types.h>
+#define CPUID_FEATURE_IDS 0x00000001
+#define CPUID_EXT_FEATURE_IDS 0x80000001
+
+
#ifdef __V3_32BIT__
-void __inline__ v3_cpuid(uint_t target, uint_t * eax, uint_t * ebx, uint_t * ecx, uint_t * edx) {
- __asm__ __volatile__ (
- "pushl %%ebx\n\t"
- "cpuid\n\t"
- "movl %%ebx, %%esi\n\t"
- "popl %%ebx\n\t"
- : "=a" (*eax), "=S" (*ebx), "=c" (*ecx), "=d" (*edx)
- : "a" (target)
- );
- return;
+static void __inline__ v3_cpuid(uint_t target, addr_t * eax, addr_t * ebx, addr_t * ecx, addr_t * edx) {
+ __asm__ __volatile__ (
+ "cpuid\n\t"
+ : "=a" (*eax), "=S" (*ebx), "=c" (*ecx), "=d" (*edx)
+ : "0" (target), "2" (*ecx)
+ );
+ return;
+}
+
+#elif __V3_64BIT__
+
+static void __inline__ v3_cpuid(uint_t target, addr_t * eax, addr_t * ebx, addr_t * ecx, addr_t * edx) {
+ __asm__ __volatile__ (
+ "cpuid\n\t"
+ : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)
+ : "0" (target), "2" (*ecx)
+ );
+ return;
+}
+
+#endif
+
+
+static void __inline__ v3_set_msr(uint_t msr, uint_t high_byte, uint_t low_byte) {
+ __asm__ __volatile__ (
+ "wrmsr"
+ :
+ : "c" (msr), "d" (high_byte), "a" (low_byte)
+ );
+
+
}
+static void __inline__ v3_get_msr(uint_t msr, uint_t * high_byte, uint_t * low_byte) {
+ __asm__ __volatile__ (
+ "rdmsr"
+ : "=d" (*high_byte), "=a" (*low_byte)
+ : "c" (msr)
+ );
+}
+
-void __inline__ v3_set_msr(uint_t msr, uint_t high_byte, uint_t low_byte) {
- __asm__ __volatile__ (
- "wrmsr"
- :
- : "c" (msr), "d" (high_byte), "a" (low_byte)
- );
+static void __inline__ v3_enable_ints() {
+ __asm__ __volatile__ ("sti");
+}
+static void __inline__ v3_disable_ints() {
+ __asm__ __volatile__ ("cli");
}
-void __inline__ v3_get_msr(uint_t msr, uint_t * high_byte, uint_t * low_byte) {
- __asm__ __volatile__ (
- "rdmsr"
- : "=d" (*high_byte), "=a" (*low_byte)
- : "c" (msr)
- );
+
+#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;
-void __inline__ v3_enable_ints() {
- __asm__ __volatile__ ("sti");
+ __asm__ __volatile__ ("pushfq \n\t"
+ "popq %0 \n\t"
+ "cli \n\t"
+ :"=g" (state)
+ :
+ :"memory"
+ );
+
+ return state;
}
-void __inline__ v3_disable_ints() {
- __asm__ __volatile__ ("cli");
+
+static void __inline__ v3_irq_restore(addr_t state) {
+ __asm__ __volatile__("pushq %0 \n\t"
+ "popfq \n\t"
+ :
+ :"g" (state)
+ :"memory", "cc"
+ );
}
#endif
