arch/x86_64-pc/include/aros/kernel.h

   1 #ifndef AROS_KERNEL_H
   2 #define AROS_KERNEL_H
   3
   4 #ifndef BOOTSTRAP
   5
   6 #include <inttypes.h>
   7 #include <utility/tagitem.h>
   8
   9 struct KernelBSS {
  10     uint64_t    addr;
  11     uint64_t    len;
  12 };
  13
  14 #else
  15
  16 struct TagItem{
  17     unsigned long long ti_Tag;
  18     unsigned long long ti_Data;
  19 };
  20
  21 #define TAG_DONE        0x00000000ULL
  22 #define TAG_USER        0x80000000ULL
  23
  24 #endif
  25
  26 typedef enum {
  27     SCHED_RR = 1
  28 } KRN_SchedType;
  29
  30 typedef struct tls {
  31     struct Task         *ThisTask;
  32     struct ExecBase     *SysBase;
  33     void *              *KernelBase;    /* Base of kernel.resource */
  34 } tls_t;
  35
  36 #define TLS_OFFSET(name) ((char *)&(((tls_t *)0)->name)-(char *)0)
  37
  38 #define TLS_GET(name) \
  39     ({ \
  40         tls_t *__tls = (tls_t *)0; \
  41         typeof(__tls -> name) __ret; \
  42         switch (sizeof(__tls -> name)) { \
  43 case 2: asm volatile("movw %%gs:%P1,%0":"=r"(__ret):"n"(TLS_OFFSET(name)):"memory"); break; \
  44 case 4: asm volatile("movl %%gs:%P1,%0":"=r"(__ret):"n"(TLS_OFFSET(name)):"memory"); break; \
  45 case 8: asm volatile("movq %%gs:%P1,%0":"=r"(__ret):"n"(TLS_OFFSET(name)):"memory"); break; \
  46         } \
  47         __ret;  \
  48     })
  49
  50 #define TLS_SET(name, val) \
  51     do { \
  52         tls_t *__tls = (tls_t *)0; \
  53         typeof(__tls -> name) __set = val; \
  54         switch (sizeof(__tls -> name)) { \
  55 case 2: asm volatile("movw %0,%%gs:%P1"::"r"(__set),"n"(TLS_OFFSET(name)):"memory"); break; \
  56 case 4: asm volatile("movl %0,%%gs:%P1"::"r"(__set),"n"(TLS_OFFSET(name)):"memory"); break; \
  57 case 8: asm volatile("movq %0,%%gs:%P1"::"r"(__set),"n"(TLS_OFFSET(name)):"memory"); break; \
  58         } \
  59     } while(0);
  60
  61
  62 #define KRN_Dummy               (TAG_USER + 0x03d00000)
  63 #define KRN_KernelBase          (KRN_Dummy + 1)
  64 #define KRN_KernelLowest        (KRN_Dummy + 2)
  65 #define KRN_KernelHighest       (KRN_Dummy + 3)
  66 #define KRN_KernelBss           (KRN_Dummy + 4)
  67 #define KRN_GDT                 (KRN_Dummy + 5)
  68 #define KRN_IDT                 (KRN_Dummy + 6)
  69 #define KRN_PL4                 (KRN_Dummy + 7)
  70 #define KRN_VBEModeInfo         (KRN_Dummy + 8)
  71 #define KRN_VBEControllerInfo   (KRN_Dummy + 9)
  72 #define KRN_MMAPAddress         (KRN_Dummy + 10)
  73 #define KRN_MMAPLength          (KRN_Dummy + 11)
  74 #define KRN_CmdLine             (KRN_Dummy + 12)
  75 #define KRN_ProtAreaStart       (KRN_Dummy + 13)
  76 #define KRN_ProtAreaEnd         (KRN_Dummy + 14)
  77 #define KRN_VBEMode             (KRN_Dummy + 15)
  78 #define KRN_VBEPaletteWidth     (KRN_Dummy + 16)
  79
  80 /*
  81  * The target base address of 64-bit kernel
  82  */
  83
  84 #define KERNEL_TARGET_ADDRESS   0x01000000
  85 //#define KERNEL_HIGH_OFFSET      0x1ffULL
  86 //#define KERNEL_HIGH_OFFSET      0x1ffULL
  87 //#define KERNEL_HIGH_OFFSET      31ULL
  88 //#define KERNEL_OFFSET           0x01000000
  89 #define KERNEL_OFFSET           0
  90 //#define KERNEL_OFFSET           0xfffffffff8000000ULL
  91 //#define KERNEL_OFFSET           0x0000000000000000ULL
  92
  93 #endif /*AROS_  KERNEL_H*/