reactos/include/internal/kernel.h

   1 /*
   2  * Various useful prototypes
   3  */
   4
   5 #ifndef __KERNEL_H
   6 #define __KERNEL_H
   7
   8 #include <windows.h>
   9 #include <ddk/ntddk.h>
  10
  11 #include <internal/linkage.h>
  12 #include <stdarg.h>
  13
  14 /*
  15  * Use these to place a function in a specific section of the executable
  16  */
  17 #define PLACE_IN_SECTION(s) __attribute__((section (s)))
  18 #define INIT_FUNCTION (PLACE_IN_SECTION("init"))
  19 #define PAGE_LOCKED_FUNCTION (PLACE_IN_SECTION("pagelk"))
  20 #define PAGE_UNLOCKED_FUNCTION (PLACE_IN_SECTION("pagepo"))
  21
  22 /*
  23  * Maximum size of the kmalloc area (this is totally arbitary)
  24  */
  25 #define NONPAGED_POOL_SIZE   (4*1024*1024)
  26
  27 VOID KiInterruptDispatch(unsigned int irq);
  28 VOID KiDispatchInterrupt(unsigned int irq);
  29 VOID KeTimerInterrupt(VOID);
  30
  31 /*
  32  * Defines a descriptor as it appears in the processor tables
  33  */
  34 typedef struct
  35 {
  36         unsigned int a;
  37         unsigned int b;
  38 } descriptor;
  39
  40 extern descriptor idt[256];
  41 extern descriptor gdt[256];
  42
  43 /*
  44  * printf style functions
  45  */
  46 asmlinkage void printk(const char* fmt, ...);
  47 int vsprintf(char *buf, const char *fmt, va_list args);
  48 int sprintf(char* buf, const char* fmt, ...);
  49
  50 typedef struct
  51 {
  52         /*
  53          * Magic value (useless really)
  54          */
  55         unsigned int magic;
  56
  57         /*
  58          * Cursor position
  59          */
  60         unsigned int cursorx;
  61         unsigned int cursory;
  62
  63         /*
  64          * Number of files (including the kernel) loaded
  65          */
  66         unsigned int nr_files;
  67
  68         /*
  69          * Range of physical memory being used by the system
  70          */
  71         unsigned int start_mem;
  72         unsigned int end_mem;
  73
  74         /*
  75          * List of module lengths (terminated by a 0)
  76          */
  77         unsigned int module_length[64];
  78 } boot_param;
  79
  80
  81 /*
  82  * Initalization functions (called once by main())
  83  */
  84 void MmInitalize(boot_param* bp);
  85 void InitalizeExceptions(void);
  86 void InitalizeIRQ(void);
  87 void InitializeTimer(void);
  88 void InitConsole(boot_param* bp);
  89 void KeInitDpc(void);
  90 void HalInit(boot_param* bp);
  91 void IoInit(void);
  92 void ObjNamespcInit(void);
  93 void PsMgrInit(void);
  94 void KeInitializeBugCheck(void);
  95 VOID KeInitializeDispatcher(VOID);
  96 void TstBegin(void);
  97 void KeCalibrateTimerLoop(void);
  98
  99 /*
 100  * FUNCTION: Called to execute queued dpcs
 101  */
 102 void KeDrainDpcQueue(void);
 103
 104 void KeExpireTimers(void);
 105
 106 typedef unsigned int (exception_hook)(CONTEXT* c, unsigned int exp);
 107 asmlinkage unsigned int ExHookException(exception_hook fn, UINT exp);
 108
 109 #endif