compiler/include/aros/kernel.h

   1 #ifndef AROS_KERNEL_H
   2 #define AROS_KERNEL_H
   3
   4 /*
   5     Copyright � 1995-2011, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: TagItems for the kernel.resource
   9     Lang: english
  10 */
  11
  12 #include <aros/macros.h>
  13 #include <utility/tagitem.h>
  14
  15 /* Type of scheduler. See KrnGetScheduler()/KrnSetScheduler() functions. */
  16 typedef enum
  17 {
  18     SCHED_RR = 1        /* Old good round robin scheduler */
  19 } KRN_SchedType;
  20
  21 /* Flags for KrnMapGlobal */
  22 typedef enum
  23 {
  24         MAP_CacheInhibit        = 0x0001,
  25         MAP_WriteThrough        = 0x0002,
  26         MAP_Guarded             = 0x0004,
  27
  28         MAP_Readable            = 0x0100,
  29         MAP_Writable            = 0x0200,
  30         MAP_Executable          = 0x0400,
  31         MAP_Supervisor          = 0x0800
  32 } KRN_MapAttr;
  33
  34 /* Tags for kernel boot message */
  35 #define KRN_Dummy               (TAG_USER + 0x03d00000)
  36 #define KRN_KernelBase          (KRN_Dummy + 1)  /* Kickstart base address (start of code section)      */
  37 #define KRN_KernelLowest        (KRN_Dummy + 2)  /* Lowest kickstart address                            */
  38 #define KRN_KernelHighest       (KRN_Dummy + 3)  /* Highest kickstart address                           */
  39 #define KRN_KernelBss           (KRN_Dummy + 4)  /* (struct KernelBSS *) - BSS sections list            */
  40 #define KRN_GDT                 (KRN_Dummy + 5)  /* Boot-time GDT address (x86-specific)                */
  41 #define KRN_IDT                 (KRN_Dummy + 6)  /* Boot-time IDT address (x86-specific)                */
  42 #define KRN_PL4                 (KRN_Dummy + 7)  /* Base address of MMU control data                    */
  43 #define KRN_VBEModeInfo         (KRN_Dummy + 8)  /* VBE mode information structure                      */
  44 #define KRN_VBEControllerInfo   (KRN_Dummy + 9)  /* VBE controller information structure                */
  45 #define KRN_MMAPAddress         (KRN_Dummy + 10) /* Address of memory map in multiboot format           */
  46 #define KRN_MMAPLength          (KRN_Dummy + 11) /* Lenght of memory map                                */
  47 #define KRN_CmdLine             (KRN_Dummy + 12) /* Address of command line arguments                   */
  48 #define KRN_ProtAreaStart       (KRN_Dummy + 13) /* Start address of preallocated area                  */
  49 #define KRN_ProtAreaEnd         (KRN_Dummy + 14) /* End address of preallocated area                    */
  50 #define KRN_VBEMode             (KRN_Dummy + 15) /* Current VBE mode number                             */
  51 #define KRN_VBEPaletteWidth     (KRN_Dummy + 16) /* Current VBE palette width                           */
  52 #define KRN_MEMLower            (KRN_Dummy + 17) /* Amount of low memory in bytes (PC-specific)         */
  53 #define KRN_MEMUpper            (KRN_Dummy + 18) /* Amount of upper memory in bytes (PC-specific)       */
  54 #define KRN_OpenFirmwareTree    (KRN_Dummy + 19) /* Pointer to OpenFirmware device tree structure       */
  55 #define KRN_HostInterface       (KRN_Dummy + 20) /* Pointer to host OS interface structure (hosted)     */
  56 #define KRN_DebugInfo           (KRN_Dummy + 21) /* Kicksrart debug information, see debug.library      */
  57 #define KRN_BootLoader          (KRN_Dummy + 22) /* Pointer to bootloader name string                   */
  58 #define KRN_EFISystemTable      (KRN_Dummy + 23) /* Pointer to EFI system table                         */
  59 #define KRN_KernelStackBase     (KRN_Dummy + 26) /* Kickstart Boot Task stack base address */
  60 #define KRN_KernelStackSize     (KRN_Dummy + 27) /* Kickstart Boot Task stack size */
  61 #define KRN_VMEMLower           (KRN_Dummy + 28) /* Lowest address of framebuffer, e.g. on embedded systems */
  62 #define KRN_VMEMUpper           (KRN_Dummy + 29) /* Highest address of framebuffer, e.g. on embedded systems */
  63
  64 /* Magic value passed by the bootstrap as second parameter */
  65 #define AROS_BOOT_MAGIC AROS_MAKE_ID('A', 'R', 'O', 'S')
  66
  67 /* BSS segments descriptor */
  68 struct KernelBSS
  69 {
  70     void *addr;
  71     IPTR len;
  72 };
  73
  74 /* Exception and IRQ handler types */
  75 typedef int (*exhandler_t)(void *ctx, void *data, void *data2);
  76 typedef void (*irqhandler_t)(void *data, void *data2);
  77
  78 /* System attributes */
  79 #define KATTR_Architecture      (TAG_USER + 0x03F00000) /* [.G] (char *)  - Name of architecture, like "i386-pc"                        */
  80 #define KATTR_PeripheralBase    (TAG_USER + 0x03F00001) /* [.G] (IPTR)    - SoC Peripheral IO base address (on relevant hardware)       */
  81
  82 /* Tag IDs for KrnStatMemory() */
  83 #define KMS_Free                (TAG_USER + 0x04000000)
  84 #define KMS_Total               (TAG_USER + 0x04000001)
  85 #define KMS_LargestAlloc        (TAG_USER + 0x04000002)
  86 #define KMS_SmallestAlloc       (TAG_USER + 0x04000003)
  87 #define KMS_LargestFree         (TAG_USER + 0x04000004)
  88 #define KMS_SmallestFree        (TAG_USER + 0x04000005)
  89 #define KMS_NumAlloc            (TAG_USER + 0x04000006)
  90 #define KMS_NumFree             (TAG_USER + 0x04000007)
  91 #define KMS_PageSize            (TAG_USER + 0x04000008)
  92
  93 #endif /* AROS_KERNEL_H */