#ifndef POWERPC_TASKSPPC_H
#define POWERPC_TASKSPPC_H

/*
**  $VER: tasksPPC.h 1.0 (24.12.97)
**  WarpOS Release 2.0
**
**  '(C) Copyright 1997 Haage & Partner Computer GmbH'
**       All Rights Reserved
*/

#ifndef EXEC_TASKS_H
#include <exec/tasks.h>
#endif

#ifndef UTILITY_TAGITEM_H
#include <utility/tagitem.h>
#endif

// private structure

struct TaskLink {
        struct MinNode tl_Node;
        APTR tl_Task;
        ULONG tl_Sig;
        UWORD tl_Used;
};

// task structure for ppc

struct TaskPPC {
        struct Task tp_Task;
        ULONG tp_StackSize;
        APTR tp_StackMem;
        APTR tp_ContextMem;
        ULONG tp_Flags;
        struct TaskLink tp_Link;
        APTR tp_BATStorage;
        ULONG tp_Core;
        struct MinNode tp_TableLink;
        APTR tp_Table;
        ULONG tp_DebugData;
}; // don't depend on sizeof(TaskPPC)

#define NT_PPCTASK 100

// tc_State (additional task states)

#define TS_CHANGING      7

// tp_Flags

#define TASKPPCB_SYSTEM    0
#define TASKPPCB_BAT       1

#define TASKPPCF_SYSTEM    (1L<<0)
#define TASKPPCF_BAT       (1L<<1)

// tags passed to CreateTaskPPC

#define TASKATTR_TAGS       (TAG_USER+0x100000)
#define TASKATTR_CODE       (TASKATTR_TAGS+0)   // entry code
#define TASKATTR_EXITCODE   (TASKATTR_TAGS+1)   // exit code
#define TASKATTR_NAME       (TASKATTR_TAGS+2)   // task name
#define TASKATTR_PRI        (TASKATTR_TAGS+3)   // task priority
#define TASKATTR_STACKSIZE  (TASKATTR_TAGS+4)   // task stacksize
#define TASKATTR_R2         (TASKATTR_TAGS+5)   // smalldata/TOC base
#define TASKATTR_R3         (TASKATTR_TAGS+6)   // first parameter
#define TASKATTR_R4         (TASKATTR_TAGS+7)
#define TASKATTR_R5         (TASKATTR_TAGS+8)
#define TASKATTR_R6         (TASKATTR_TAGS+9)
#define TASKATTR_R7         (TASKATTR_TAGS+10)
#define TASKATTR_R8         (TASKATTR_TAGS+11)
#define TASKATTR_R9         (TASKATTR_TAGS+12)
#define TASKATTR_R10        (TASKATTR_TAGS+13)
#define TASKATTR_SYSTEM     (TASKATTR_TAGS+14)  // private
#define TASKATTR_MOTHERPRI  (TASKATTR_TAGS+15)  // inherit mothers pri
#define TASKATTR_BAT        (TASKATTR_TAGS+16)  // BAT MMU setup (BOOL)

// taskptr structure

struct TaskPtr {
        struct Node tptr_Node;
        APTR tptr_Task;
};

// return values of ChangeStack

#define CHSTACK_SUCCESS  -1
#define CHSTACK_NOMEM    0

// parameter to ChangeMMU

#define CHMMU_STANDARD   1
#define CHMMU_BAT        2

// tags passed to SnoopTask

#define SNOOP_TAGS          (TAG_USER+0x103000)
#define SNOOP_CODE          (TASKATTR_TAGS+0)   // pointer to callback function
#define SNOOP_DATA          (TASKATTR_TAGS+1)   // custom data, passed in r2
#define SNOOP_TYPE          (TASKATTR_TAGS+2)   // snoop type (see below)

// possible values of SNOOP_TYPE

#define SNOOP_START     1                       //monitor task start
#define SNOOP_EXIT      2                       //monitor task exit

// possible values for the CreatorCPU parameter of the callback function

#define CREATOR_PPC     1
#define CREATOR_68K     2

#endif