Commit bdde476a authored by Andre Przywara's avatar Andre Przywara Committed by Aurelien Jarno
Browse files

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: default avatarAndre Przywara <andre.przywara@amd.com>
Signed-off-by: default avatarAurelien Jarno <aurelien@aurel32.net>
parent 4d067ed7
......@@ -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)
{
......
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