* Copyright 2014, Paweł Dziepak, pdziepak@quarnos.org.
* Copyright 2012, Alex Smith, alex@alex-smith.me.uk.
* Distributed under the terms of the MIT License.
*/
#include <arch_system_info.h>
#include <cpuid.h>
status_t
get_current_cpuid(cpuid_info* info, uint32 eax, uint32 ecx)
{
__cpuid_count(eax, ecx, info->regs.eax, info->regs.ebx, info->regs.ecx,
info->regs.edx);
return B_OK;
}
uint32
get_eflags()
{
uint64_t flags;
__asm__("pushf; popq %0;" : "=r" (flags));
return flags;
}
void
set_eflags(uint32 value)
{
uint64_t flags = value;
__asm__("pushq %0; popf;" : : "r" (flags) : "cc");
}
