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authorAndre Przywara <andre.przywara@amd.com>2010-03-11 14:38:58 +0100
committerAurelien Jarno <aurelien@aurel32.net>2010-03-13 16:50:54 +0100
commitbdde476a9cefb2dce8111600e7d5fec1c42bf56c (patch)
tree37ccd7f1fb7a1c774251fd043d18418e8724a537 /target-i386
parent4d067ed7a778c5b903b048b5f13b8fa3873d1211 (diff)
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x86/cpuid: moved host_cpuid function and remove prototype
the host_cpuid function was located at the end of the file and had a prototype before it's first use. Move it up and remove the prototype. Signed-off-by: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/cpuid.c71
1 files changed, 34 insertions, 37 deletions
diff --git a/target-i386/cpuid.c b/target-i386/cpuid.c
index 9bba907598..eb8e9f08fe 100644
--- a/target-i386/cpuid.c
+++ b/target-i386/cpuid.c
@@ -92,8 +92,40 @@ typedef struct model_features_t {
int check_cpuid = 0;
int enforce_cpuid = 0;
-static void host_cpuid(uint32_t function, uint32_t count, uint32_t *eax,
- uint32_t *ebx, uint32_t *ecx, uint32_t *edx);
+static void host_cpuid(uint32_t function, uint32_t count,
+ uint32_t *eax, uint32_t *ebx,
+ uint32_t *ecx, uint32_t *edx)
+{
+#if defined(CONFIG_KVM)
+ uint32_t vec[4];
+
+#ifdef __x86_64__
+ asm volatile("cpuid"
+ : "=a"(vec[0]), "=b"(vec[1]),
+ "=c"(vec[2]), "=d"(vec[3])
+ : "0"(function), "c"(count) : "cc");
+#else
+ asm volatile("pusha \n\t"
+ "cpuid \n\t"
+ "mov %%eax, 0(%2) \n\t"
+ "mov %%ebx, 4(%2) \n\t"
+ "mov %%ecx, 8(%2) \n\t"
+ "mov %%edx, 12(%2) \n\t"
+ "popa"
+ : : "a"(function), "c"(count), "S"(vec)
+ : "memory", "cc");
+#endif
+
+ if (eax)
+ *eax = vec[0];
+ if (ebx)
+ *ebx = vec[1];
+ if (ecx)
+ *ecx = vec[2];
+ if (edx)
+ *edx = vec[3];
+#endif
+}
#define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c)))
@@ -896,41 +928,6 @@ void x86_cpudef_setup(void)
#endif
}
-static void host_cpuid(uint32_t function, uint32_t count,
- uint32_t *eax, uint32_t *ebx,
- uint32_t *ecx, uint32_t *edx)
-{
-#if defined(CONFIG_KVM)
- uint32_t vec[4];
-
-#ifdef __x86_64__
- asm volatile("cpuid"
- : "=a"(vec[0]), "=b"(vec[1]),
- "=c"(vec[2]), "=d"(vec[3])
- : "0"(function), "c"(count) : "cc");
-#else
- asm volatile("pusha \n\t"
- "cpuid \n\t"
- "mov %%eax, 0(%2) \n\t"
- "mov %%ebx, 4(%2) \n\t"
- "mov %%ecx, 8(%2) \n\t"
- "mov %%edx, 12(%2) \n\t"
- "popa"
- : : "a"(function), "c"(count), "S"(vec)
- : "memory", "cc");
-#endif
-
- if (eax)
- *eax = vec[0];
- if (ebx)
- *ebx = vec[1];
- if (ecx)
- *ecx = vec[2];
- if (edx)
- *edx = vec[3];
-#endif
-}
-
static void get_cpuid_vendor(CPUX86State *env, uint32_t *ebx,
uint32_t *ecx, uint32_t *edx)
{