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 #define DEFINE(sym, val) \
  15     asm volatile("\n#define " #sym " %0 ": : "i" (val))
  16
  17 #define FuncOffset(x)       (int)__AROS_GETJUMPVEC(0,x)
  18
  19 int main(void) {
  20     asm volatile("\n/* Macros */" ::);
  21
  22     asm volatile("\n#define AROS_CSYMNAME(n)       n\n" ::);
  23     asm volatile("\n#define AROS_CDEFNAME(n)       n\n" ::);
  24     asm volatile("\n#define AROS_SLIB_ENTRY(n,s)   s ## _ ## n\n" ::);
  25
  26     asm volatile("\n#define _FUNCTION(n)           .type   n,@function" ::);
  27     asm volatile("\n#define _ALIGNMENT             .balign %0" :: "i" (AROS_WORSTALIGN));
  28
  29     asm volatile("\n/* ExecBase */" ::);
  30     DEFINE(AttnResched   , offsetof (struct ExecBase, AttnResched));
  31     DEFINE(IDNestCnt     , offsetof (struct ExecBase, IDNestCnt));
  32     DEFINE(TDNestCnt     , offsetof (struct ExecBase, TDNestCnt));
  33     DEFINE(TaskReady     , offsetof (struct ExecBase, TaskReady));
  34     DEFINE(ThisTask      , offsetof (struct ExecBase, ThisTask));
  35     DEFINE(SysFlags      , offsetof (struct ExecBase, SysFlags));
  36     DEFINE(IdleCount     , offsetof (struct ExecBase, IdleCount));
  37     DEFINE(DispCount     , offsetof (struct ExecBase, DispCount));
  38     DEFINE(Quantum       , offsetof (struct ExecBase, Quantum));
  39     DEFINE(Elapsed       , offsetof (struct ExecBase, Elapsed));
  40
  41     asm volatile("\n/* struct Task */" ::);
  42     DEFINE(tc_State      , offsetof (struct Task, tc_State));
  43     DEFINE(tc_Flags      , offsetof (struct Task, tc_Flags));
  44     DEFINE(tc_ExceptCode , offsetof (struct Task, tc_ExceptCode));
  45     DEFINE(tc_ExceptData , offsetof (struct Task, tc_ExceptData));
  46     DEFINE(tc_SigExcept  , offsetof (struct Task, tc_SigExcept));
  47     DEFINE(tc_SigRecvd   , offsetof (struct Task, tc_SigRecvd));
  48     DEFINE(tc_Launch     , offsetof (struct Task, tc_Launch));
  49     DEFINE(tc_Switch     , offsetof (struct Task, tc_Switch));
  50     DEFINE(tc_SPReg      , offsetof (struct Task, tc_SPReg));
  51     DEFINE(tc_SPLower    , offsetof (struct Task, tc_SPLower));
  52     DEFINE(tc_SPUpper    , offsetof (struct Task, tc_SPUpper));
  53     DEFINE(tc_IDNestCnt  , offsetof (struct Task, tc_IDNestCnt));
  54     DEFINE(tc_ETask      , offsetof (struct Task, tc_UnionETask.tc_ETask));
  55     DEFINE(iet_Context   , sizeof (struct ETask) + 4);
  56
  57     asm volatile("\n/* struct DosBase */" ::);
  58     DEFINE(dl_SysBase    , offsetof (struct DosLibrary, dl_SysBase));
  59
  60     asm volatile("\n/* struct StackSwapStruct */" ::);
  61     DEFINE(stk_Lower     , offsetof (struct StackSwapStruct, stk_Lower));
  62     DEFINE(stk_Upper     , offsetof (struct StackSwapStruct, stk_Upper));
  63     DEFINE(stk_Pointer   , offsetof (struct StackSwapStruct, stk_Pointer));
  64
  65     asm volatile("\n/* Task Flags */" ::);
  66     DEFINE(TS_RUN        , TS_RUN);
  67     DEFINE(TS_READY      , TS_READY);
  68     DEFINE(TF_EXCEPT     , TF_EXCEPT);
  69     DEFINE(TF_SWITCH     , TF_SWITCH);
  70     DEFINE(TF_LAUNCH     , TF_LAUNCH);
  71
  72     asm volatile("\n/* Exec functions */" ::);
  73     DEFINE(Reschedule    , FuncOffset (8));
  74     DEFINE(Switch        , FuncOffset (9));
  75     DEFINE(Dispatch      , FuncOffset (10));
  76     DEFINE(Exception     , FuncOffset (11));
  77     DEFINE(Alert         , FuncOffset (18));
  78     DEFINE(Disable       , FuncOffset (20));
  79     DEFINE(Enable        , FuncOffset (21));
  80     DEFINE(Enqueue       , FuncOffset (45));
  81     DEFINE(FindTask      , FuncOffset (49));
  82     DEFINE(StackSwap     , FuncOffset (122));
  83
  84     asm volatile("\n/* Constants */" ::);
  85     DEFINE(AT_DeadEnd    , AT_DeadEnd);
  86     DEFINE(AN_StackProbe , AN_StackProbe);
  87
  88     DEFINE(ln_Succ       , offsetof (struct Node, ln_Succ));
  89     DEFINE(ln_Pred       , offsetof (struct Node, ln_Pred));
  90     DEFINE(ln_Pri        , offsetof (struct Node, ln_Pri));
  91
  92     DEFINE(lh_Head       , offsetof (struct List, lh_Head));
  93     DEFINE(lh_TailPred   , offsetof (struct List, lh_TailPred));
  94
  95
  96 #ifdef UseExecstubs
  97     asm volatile("\n#define UseExecstubs 1" ::);
  98 #endif
  99
 100     return 0;
 101 }