arch/common/include/asm.c

   1 /*
   2     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <exec/alerts.h>
   7 #include <exec/types.h>
   8 #include <exec/execbase.h>
   9 #include <exec/tasks.h>
  10 #include <dos/dosextens.h>
  11
  12 #include <stddef.h>
  13
  14 #ifdef __mc68000
  15     /* m68k relative addresses must *not* start with a '#' */
  16 #define DEFINE(sym, val) \
  17     asm volatile("\n#define " #sym " %c0 ": : "i" (val))
  18 #else
  19 #define DEFINE(sym, val) \
  20     asm volatile("\n#define " #sym " %0 ": : "i" (val))
  21 #endif
  22
  23 #define FuncOffset(x)       (int)__AROS_GETJUMPVEC(0,x)
  24
  25 int main(void) {
  26     asm volatile("\n/* Macros */" ::);
  27
  28     asm volatile("\n#define AROS_CSYMNAME(n)       n\n" ::);
  29     asm volatile("\n#define AROS_CDEFNAME(n)       n\n" ::);
  30     asm volatile("\n#define AROS_SLIB_ENTRY(n,s)   s ## _ ## n\n" ::);
  31
  32     asm volatile("\n#define _FUNCTION(n)           .type   n,@function" ::);
  33     asm volatile("\n#define _ALIGNMENT             .balign %0" :: "i" (AROS_WORSTALIGN));
  34
  35     asm volatile("\n/* ExecBase */" ::);
  36     DEFINE(AttnResched   , offsetof (struct ExecBase, AttnResched));
  37     DEFINE(IDNestCnt     , offsetof (struct ExecBase, IDNestCnt));
  38     DEFINE(TDNestCnt     , offsetof (struct ExecBase, TDNestCnt));
  39     DEFINE(TaskReady     , offsetof (struct ExecBase, TaskReady));
  40     DEFINE(ThisTask      , offsetof (struct ExecBase, ThisTask));
  41     DEFINE(SysFlags      , offsetof (struct ExecBase, SysFlags));
  42     DEFINE(IdleCount     , offsetof (struct ExecBase, IdleCount));
  43     DEFINE(DispCount     , offsetof (struct ExecBase, DispCount));
  44     DEFINE(Quantum       , offsetof (struct ExecBase, Quantum));
  45     DEFINE(Elapsed       , offsetof (struct ExecBase, Elapsed));
  46
  47     asm volatile("\n/* struct Task */" ::);
  48     DEFINE(tc_State      , offsetof (struct Task, tc_State));
  49     DEFINE(tc_Flags      , offsetof (struct Task, tc_Flags));
  50     DEFINE(tc_ExceptCode , offsetof (struct Task, tc_ExceptCode));
  51     DEFINE(tc_ExceptData , offsetof (struct Task, tc_ExceptData));
  52     DEFINE(tc_SigExcept  , offsetof (struct Task, tc_SigExcept));
  53     DEFINE(tc_SigRecvd   , offsetof (struct Task, tc_SigRecvd));
  54     DEFINE(tc_Launch     , offsetof (struct Task, tc_Launch));
  55     DEFINE(tc_Switch     , offsetof (struct Task, tc_Switch));
  56     DEFINE(tc_SPReg      , offsetof (struct Task, tc_SPReg));
  57     DEFINE(tc_SPLower    , offsetof (struct Task, tc_SPLower));
  58     DEFINE(tc_SPUpper    , offsetof (struct Task, tc_SPUpper));
  59     DEFINE(tc_IDNestCnt  , offsetof (struct Task, tc_IDNestCnt));
  60     DEFINE(tc_ETask      , offsetof (struct Task, tc_UnionETask.tc_ETask));
  61     DEFINE(iet_Context   , sizeof (struct ETask) + 4);
  62
  63     asm volatile("\n/* struct DosBase */" ::);
  64     DEFINE(dl_SysBase    , offsetof (struct DosLibrary, dl_SysBase));
  65
  66     asm volatile("\n/* struct StackSwapStruct */" ::);
  67     DEFINE(stk_Lower     , offsetof (struct StackSwapStruct, stk_Lower));
  68     DEFINE(stk_Upper     , offsetof (struct StackSwapStruct, stk_Upper));
  69     DEFINE(stk_Pointer   , offsetof (struct StackSwapStruct, stk_Pointer));
  70
  71     asm volatile("\n/* Task Flags */" ::);
  72     DEFINE(TS_RUN        , TS_RUN);
  73     DEFINE(TS_READY      , TS_READY);
  74     DEFINE(TF_EXCEPT     , TF_EXCEPT);
  75     DEFINE(TF_SWITCH     , TF_SWITCH);
  76     DEFINE(TF_LAUNCH     , TF_LAUNCH);
  77
  78     asm volatile("\n/* Exec functions */" ::);
  79     DEFINE(Reschedule    , FuncOffset (8));
  80     DEFINE(Switch        , FuncOffset (9));
  81     DEFINE(Dispatch      , FuncOffset (10));
  82     DEFINE(Exception     , FuncOffset (11));
  83     DEFINE(Alert         , FuncOffset (18));
  84     DEFINE(Disable       , FuncOffset (20));
  85     DEFINE(Enable        , FuncOffset (21));
  86     DEFINE(Enqueue       , FuncOffset (45));
  87     DEFINE(FindTask      , FuncOffset (49));
  88     DEFINE(StackSwap     , FuncOffset (122));
  89
  90     asm volatile("\n/* Constants */" ::);
  91     DEFINE(AT_DeadEnd    , AT_DeadEnd);
  92     DEFINE(AN_StackProbe , AN_StackProbe);
  93
  94     DEFINE(ln_Succ       , offsetof (struct Node, ln_Succ));
  95     DEFINE(ln_Pred       , offsetof (struct Node, ln_Pred));
  96     DEFINE(ln_Pri        , offsetof (struct Node, ln_Pri));
  97
  98     DEFINE(lh_Head       , offsetof (struct List, lh_Head));
  99     DEFINE(lh_TailPred   , offsetof (struct List, lh_TailPred));
 100
 101
 102 #ifdef UseExecstubs
 103     asm volatile("\n#define UseExecstubs 1" ::);
 104 #endif
 105
 106     return 0;
 107 }