rom/exec/exec_platform.h

   1 /*
   2  * This file can be overriden in arch/all-$(ARCH)/exec.
   3  */
   4 #ifndef __EXEC_PLATFORM_H
   5 #define __EXEC_PLATFORM_H
   6
   7 /*
   8  * EXPERIMENTAL & Broken:
   9  * undefine to use semaphore protection instead of
  10  * Forbid()/Permit() for system memory allocation routines.
  11  *
  12  * Many AmigaOS programs assume forbid state won't get broken.
  13  */
  14
  15 //#define __AROSEXEC_BROKENMEMLOCK__
  16
  17 /* the default Quantum value to use .. */
  18 #define SCHEDQUANTUM_VALUE      4
  19
  20 struct Exec_PlatformData
  21 {
  22     /* No platform-specific data by default */
  23 };
  24 #ifdef AROS_NO_ATOMIC_OPERATIONS
  25 #define IDNESTCOUNT_INC                 SysBase->IDNestCnt++
  26 #define IDNESTCOUNT_DEC                 SysBase->IDNestCnt--
  27 #define TDNESTCOUNT_INC                 SysBase->TDNestCnt++
  28 #define TDNESTCOUNT_DEC                 SysBase->TDNestCnt--
  29 #define FLAG_SCHEDQUANTUM_CLEAR         SysBase->SysFlags &= ~SFF_QuantumOver
  30 #define FLAG_SCHEDQUANTUM_SET           SysBase->SysFlags |= SFF_QuantumOver
  31 #define FLAG_SCHEDSWITCH_CLEAR          SysBase->AttnResched &= ~ARF_AttnSwitch
  32 #define FLAG_SCHEDSWITCH_SET            SysBase->AttnResched |= ARF_AttnSwitch
  33 #define FLAG_SCHEDDISPATCH_CLEAR        SysBase->AttnResched &= ~ARF_AttnDispatch
  34 #define FLAG_SCHEDDISPATCH_SET          SysBase->AttnResched |= ARF_AttnDispatch
  35 #else
  36 #define IDNESTCOUNT_INC                 AROS_ATOMIC_INC(SysBase->IDNestCnt)
  37 #define IDNESTCOUNT_DEC                 AROS_ATOMIC_DEC(SysBase->IDNestCnt)
  38 #define TDNESTCOUNT_INC                 AROS_ATOMIC_INC(SysBase->TDNestCnt)
  39 #define TDNESTCOUNT_DEC                 AROS_ATOMIC_DEC(SysBase->TDNestCnt)
  40 #define FLAG_SCHEDQUANTUM_CLEAR         AROS_ATOMIC_AND(SysBase->SysFlags, ~SFF_QuantumOver)
  41 #define FLAG_SCHEDQUANTUM_SET           AROS_ATOMIC_OR(SysBase->SysFlags, SFF_QuantumOver)
  42 #define FLAG_SCHEDSWITCH_CLEAR          AROS_ATOMIC_AND(SysBase->AttnResched, ~ARF_AttnSwitch)
  43 #define FLAG_SCHEDSWITCH_SET            AROS_ATOMIC_OR(SysBase->AttnResched, ARF_AttnSwitch)
  44 #define FLAG_SCHEDDISPATCH_CLEAR        AROS_ATOMIC_AND(SysBase->AttnResched, ~ARF_AttnDispatch)
  45 #define FLAG_SCHEDDISPATCH_SET          AROS_ATOMIC_OR(SysBase->AttnResched, ARF_AttnDispatch)
  46 #endif
  47 #define SCHEDQUANTUM_SET(val)           (SysBase->Quantum=(val))
  48 #define SCHEDQUANTUM_GET                (SysBase->Quantum)
  49 #define SCHEDELAPSED_SET(val)           (SysBase->Elapsed=(val))
  50 #define SCHEDELAPSED_GET                (SysBase->Elapsed)
  51 #define IDNESTCOUNT_GET                 (SysBase->IDNestCnt)
  52 #define IDNESTCOUNT_SET(val)            (SysBase->IDNestCnt=(val))
  53 #define TDNESTCOUNT_GET                 (SysBase->TDNestCnt)
  54 #define TDNESTCOUNT_SET(val)            (SysBase->TDNestCnt=(val))
  55 #define FLAG_SCHEDQUANTUM_ISSET         (SysBase->SysFlags & SFF_QuantumOver)
  56 #define FLAG_SCHEDSWITCH_ISSET          (SysBase->AttnResched & ARF_AttnSwitch)
  57 #define FLAG_SCHEDDISPATCH_ISSET        (SysBase->AttnResched & ARF_AttnDispatch)
  58
  59 #define GET_THIS_TASK                   (SysBase->ThisTask)
  60 #define SET_THIS_TASK(x)                (SysBase->ThisTask=(x))
  61
  62 #endif /* __EXEC_PLATFORM_H */