panaLiX: Plik źródłowy src/arch/x86/cpuid.hpp

00001 /* define for src/arch/x86/cpuid.cpp */
00002 #ifndef _CORE_ARCH_X86_CPUID_HPP
00003 #define _CORE_ARCH_X86_CPUID_HPP
00004 
00005 namespace Arch {
00006 namespace x86 {
00007 
00008 
00009 extern uint32 volatile cpuid_failure;   /*set by the isr on older procs*/
00010 extern uint32 volatile cpuid_success;
00011 extern char cpu_vendor_name [13];       /*cpu vendor name*/
00012 extern uint32 cpu_flags;                /*cpu flags*/
00013 extern uint32 cpu_signature;            /*cpu signature*/
00014 
00015 /*consts for cpu_flags*/
00016 const uint32 CPU_SEP    = 0x0800;       //sysenter-sysexit
00017 const uint32 CPU_TCS    = 0x0010;       //time-stamp counter
00018 
00019 void init();    /*detect cpu type using cpuid*/
00020 
00021 void cpuid(uint32 input, uint32 *eax, uint32 *ebx, uint32 *ecx, uint32 *edx);   /*perform the processor check*/
00022 uint32 cpuid_isr(struct except_t *code);        /*the interrupt called on older procs*/
00023 int check_cpuid();      /*returns if cpuid exists*/
00024 
00025 
00026   };    /*namespace x86*/
00027  };     /*namespace Arch*/
00028 
00029 
00030 #endif