BarinkOS/source/kernel/cpu.cpp

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#include "cpu.h"
uint32_t GetEFLAGS()
{
uint32_t EFLAGS = 0;
asm volatile ("pushfl;" "movl 4(%%esp), %%edx" : "=d"(EFLAGS));
return EFLAGS;
}
uint32_t GetCR0()
{
uint32_t cr0_value;
asm volatile ("movl %%cr0, %%edx" : "=d"(cr0_value));
return cr0_value;
}
uint32_t GetCR2(){
uint32_t cr2_value;
__asm__ volatile("movl %%cr2, %%edx": "=d"(cr2_value));
return cr2_value;
}
uint32_t GetCR3(){
uint32_t cr3_value;
__asm__ volatile("movl %%cr3, %%edx": "=d"(cr3_value));
return cr3_value;
}
uint32_t GetCR4(){
uint32_t cr4_value;
__asm__ volatile("movl %%cr4, %%edx": "=d"(cr4_value));
return cr4_value;
}