rom/kernel/kernel_base.h

   1 #define __KERNEL_NOLIBBASE__
   2
   3 #include <exec/execbase.h>
   4 #include <exec/memory.h>
   5 #include <exec/semaphores.h>
   6 #include <aros/kernel.h>
   7
   8 /* Early declaration for ictl functions */
   9 struct KernelBase;
  10
  11 /* These two specify IRQ_COUNT and EXCEPTIONS_COUNT */
  12 #include <kernel_arch.h>
  13 #include <kernel_cpu.h>
  14
  15 /* Platform-specific stuff. Black box here. */
  16 struct PlatformData;
  17
  18 /* kernel.resource base. Nothing spectacular, really. */
  19 struct KernelBase
  20 {
  21     struct Node            kb_Node;
  22     struct MinList         kb_Exceptions[EXCEPTIONS_COUNT];
  23     struct List            kb_Interrupts[IRQ_COUNT];
  24     ULONG                  kb_ContextFlags;     /* Hints for KrnCreateContext() */
  25     ULONG                  kb_ContextSize;      /* Total length of CPU context  */
  26     ULONG                  kb_PageSize;         /* Physical memory page size    */
  27     struct PlatformData   *kb_PlatformData;
  28 };
  29
  30 /*
  31  * Some useful global variables. They are global because:
  32  * - BootMsg needs to be stored before KernelBase is allocated;
  33  * - KernelBase is needed by interrupt handling code
  34  */
  35 extern struct TagItem *BootMsg;
  36 extern struct KernelBase *KernelBase;
  37
  38 /* Allocation function */
  39 struct KernelBase *AllocKernelBase(struct ExecBase *SysBase);
  40
  41 /* Utility function to clear BSS segments. Call it before storing any globals!!! */
  42 void __clear_bss(const struct KernelBSS *bss);
  43
  44 /* Memory header initialization functions */
  45 void krnCreateMemHeader(CONST_STRPTR name, BYTE pri, APTR start, IPTR size, ULONG flags);
  46 struct MemHeader *krnCreateROMHeader(CONST_STRPTR name, APTR start, APTR end);