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

00001 /* header file for src/arch/x86/context.cpp */
00002 
00003 #ifndef _CORE_ARCH_X86_CONTEXT_HPP
00004 #define _CORE_ARCH_X86_CONTEXT_HPP
00005 
00006 //necessary includes
00007 #include "src/arch/x86/gdt.hpp"
00008 
00009 namespace Thread {
00010         const uint32 TSP_SIZE           = 0x100;
00011  }      /*namespace Thread*/
00012 
00013 namespace Arch {
00014 namespace x86 {
00016 namespace Thread {
00017 
00018 void init(uint32 freq) __attribute__ ((noreturn));      //init multitasking in the arch
00019 
00020 //ATTENTION when changing, change in sched.s as well
00021 const uint32 REG_STACK_SIZE     = 0x200;
00022 
00023 //a thread's context
00024 struct context_t
00025  {
00026         uint32 *ksp;    /* kernel stack pointer */
00027         uint32 *tsp;    /* thread stack pointer */
00028         uint32 *isp;    /* interruption stack pointer */
00029         bool supervisor;
00030  };
00031 
00032 
00033    };   /*namespace Thread*/
00034   };    /*namespace x86*/
00035  };     /*namespace Arch*/
00036 
00037 
00038 //typedefs
00039 typedef Arch::x86::Thread::context_t context_t;
00040 
00041 #endif