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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /kernel/trunk/arch/ia32/src/cpu/cpu.c @ 1186

  → /kernel/trunk/arch/ia32/src/cpu/cpu.c @ 1187

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 1186 → Rev 1187

/kernel/trunk/arch/ia32/src/cpu/cpu.c
87,39 → 87,39
);
}
void cpu_arch_init(void)
{
__u32 help=0;
cpuid_feature_info fi;
cpuid_extended_feature_info efi;
cpu_info_t info;
__u32 help = 0;
CPU->arch.tss = tss_p;
CPU->fpu_owner=NULL;
CPU->arch.tss->iomap_base = &CPU->arch.tss->iomap[0] - ((__u8 *) CPU->arch.tss);
cpuid_feature_info fi;
cpuid_extended_feature_info efi;
CPU->fpu_owner = NULL;
cpu_info_t info;
cpuid(1, &info);
fi.word=info.cpuid_edx;
efi.word=info.cpuid_ecx;
fi.word = info.cpuid_edx;
efi.word = info.cpuid_ecx;
if(fi.bits.fxsr) fpu_fxsr();
else fpu_fsr();
if (fi.bits.fxsr)
fpu_fxsr();
else
fpu_fsr();
if(fi.bits.sse) asm volatile (
"mov %%cr4,%0;\n"
"or %1,%0;\n"
"mov %0,%%cr4;\n"
:"+r"(help)
:"i"(CR4_OSFXSR_MASK|(1<<10))
);
if (fi.bits.sse) {
asm volatile (
"mov %%cr4,%0\n"
"or %1,%0\n"
"mov %0,%%cr4\n"
: "+r" (help)
: "i" (CR4_OSFXSR_MASK|(1<<10))
);
}
}
void cpu_identify(void)
{
cpu_info_t info;