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cpu: fix indentation

pull/104/head
Rémi Denis-Courmont 6 years ago
parent
commit
c4f98e238a
  1. 49
      src/misc/cpu.c

49
src/misc/cpu.c

@ -121,43 +121,42 @@ static void vlc_CPU_init(void)
uint32_t i_capabilities = 0;
#if defined( __i386__ ) || defined( __x86_64__ )
unsigned int i_eax, i_ebx, i_ecx, i_edx;
bool b_amd;
unsigned int i_eax, i_ebx, i_ecx, i_edx;
bool b_amd;
/* Needed for x86 CPU capabilities detection */
# if defined (__i386__) && defined (__PIC__)
# define cpuid(reg) \
asm volatile ("xchgl %%ebx,%1\n\t" \
"cpuid\n\t" \
"xchgl %%ebx,%1\n\t" \
: "=a" (i_eax), "=r" (i_ebx), "=c" (i_ecx), "=d" (i_edx) \
: "a" (reg) \
: "cc");
asm volatile ("xchgl %%ebx,%1\n\t" \
"cpuid\n\t" \
"xchgl %%ebx,%1\n\t" \
: "=a" (i_eax), "=r" (i_ebx), "=c" (i_ecx), "=d" (i_edx) \
: "a" (reg) \
: "cc");
# else
# define cpuid(reg) \
asm volatile ("cpuid\n\t" \
: "=a" (i_eax), "=b" (i_ebx), "=c" (i_ecx), "=d" (i_edx) \
: "a" (reg) \
: "cc");
asm volatile ("cpuid\n\t" \
: "=a" (i_eax), "=b" (i_ebx), "=c" (i_ecx), "=d" (i_edx) \
: "a" (reg) \
: "cc");
# endif
/* Check if the OS really supports the requested instructions */
# if defined (__i386__) && !defined (__i486__) && !defined (__i586__) \
&& !defined (__i686__) && !defined (__pentium4__) \
&& !defined (__k6__) && !defined (__athlon__) && !defined (__k8__)
/* check if cpuid instruction is supported */
asm volatile ( "push %%ebx\n\t"
"pushf\n\t"
"pop %%eax\n\t"
"movl %%eax, %%ebx\n\t"
"xorl $0x200000, %%eax\n\t"
"push %%eax\n\t"
"popf\n\t"
"pushf\n\t"
"pop %%eax\n\t"
"movl %%ebx,%1\n\t"
"pop %%ebx\n\t"
: "=a" ( i_eax ),
"=r" ( i_ebx )
asm volatile ("push %%ebx\n\t"
"pushf\n\t"
"pop %%eax\n\t"
"movl %%eax, %%ebx\n\t"
"xorl $0x200000, %%eax\n\t"
"push %%eax\n\t"
"popf\n\t"
"pushf\n\t"
"pop %%eax\n\t"
"movl %%ebx,%1\n\t"
"pop %%ebx\n\t"
: "=a" (i_eax), "=r" (i_ebx)
:
: "cc" );

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