+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
--- --
--- S Y S T E M . V X W O R K S --
--- --
--- S p e c --
--- --
--- $Revision: 1.1.16.2 $
--- --
--- Copyright (C) 1998-2001 Free Software Foundation --
--- --
--- GNARL is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNARL; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNARL was developed by the GNARL team at Florida State University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- This is the Alpha VxWorks version of this package.
-
-with Interfaces.C;
-
-package System.VxWorks is
- pragma Preelaborate (System.VxWorks);
-
- package IC renames Interfaces.C;
-
- -- Define enough of a Wind Task Control Block in order to
- -- obtain the inherited priority. When porting this to
- -- different versions of VxWorks (this is based on 5.3[.1]),
- -- be sure to look at the definition for WIND_TCB located
- -- in $WIND_BASE/target/h/taskLib.h
-
- type Wind_Fill_1 is array (0 .. 16#77#) of IC.unsigned_char;
- type Wind_Fill_2 is array (16#80# .. 16#1c7#) of IC.unsigned_char;
- type Wind_Fill_3 is array (16#1d8# .. 16#777#) of IC.unsigned_char;
-
- type Wind_TCB is record
- Fill_1 : Wind_Fill_1; -- 0x00 - 0x77
- Priority : IC.int; -- 0x78 - 0x7b, current (inherited) priority
- Normal_Priority : IC.int; -- 0x7c - 0x7f, base priority
- Fill_2 : Wind_Fill_2; -- 0x80 - 0x1c7
- spare1 : Address; -- 0x1c8 - 0x1cb
- spare2 : Address; -- 0x1cc - 0x1cf
- spare3 : Address; -- 0x1d0 - 0x1d3
- spare4 : Address; -- 0x1d4 - 0x1d7
-
- -- Fill_3 is much smaller on the board runtime, but the larger size
- -- below keeps this record compatible with vxsim.
-
- Fill_3 : Wind_Fill_3; -- 0x1d8 - 0x777
- end record;
- type Wind_TCB_Ptr is access Wind_TCB;
-
-
- -- Floating point context record. Alpha version
-
- FP_NUM_DREGS : constant := 32;
- type Fpx_Array is array (1 .. FP_NUM_DREGS) of IC.double;
-
- type FP_CONTEXT is record
- fpx : Fpx_Array;
- fpcsr : IC.long;
- end record;
- pragma Convention (C, FP_CONTEXT);
-
- -- Number of entries in hardware interrupt vector table. Value of
- -- 0 disables hardware interrupt handling until it can be tested
- Num_HW_Interrupts : constant := 0;
-
- -- VxWorks 5.3 and 5.4 version
- type TASK_DESC is record
- td_id : IC.int; -- task id
- td_name : Address; -- name of task
- td_priority : IC.int; -- task priority
- td_status : IC.int; -- task status
- td_options : IC.int; -- task option bits (see below)
- td_entry : Address; -- original entry point of task
- td_sp : Address; -- saved stack pointer
- td_pStackBase : Address; -- the bottom of the stack
- td_pStackLimit : Address; -- the effective end of the stack
- td_pStackEnd : Address; -- the actual end of the stack
- td_stackSize : IC.int; -- size of stack in bytes
- td_stackCurrent : IC.int; -- current stack usage in bytes
- td_stackHigh : IC.int; -- maximum stack usage in bytes
- td_stackMargin : IC.int; -- current stack margin in bytes
- td_errorStatus : IC.int; -- most recent task error status
- td_delay : IC.int; -- delay/timeout ticks
- end record;
- pragma Convention (C, TASK_DESC);
-
-end System.VxWorks;