------------------------------------------------------------------------------ -- -- -- 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: 1.1.1.1 $ -- -- -- 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. It is -- -- now maintained by Ada Core Technologies Inc. in cooperation with Florida -- -- State University (http://www.gnat.com). -- -- -- ------------------------------------------------------------------------------ -- This is the MIPS 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#3F#) of IC.unsigned_char; type Wind_Fill_2 is array (16#48# .. 16#107#) of IC.unsigned_char; type Wind_TCB is record Fill_1 : Wind_Fill_1; -- 0x00 - 0x3f Priority : IC.int; -- 0x40 - 0x43, current (inherited) priority Normal_Priority : IC.int; -- 0x44 - 0x47, base priority Fill_2 : Wind_Fill_2; -- 0x48 - 0x107 spare1 : Address; -- 0x108 - 0x10b spare2 : Address; -- 0x10c - 0x10f spare3 : Address; -- 0x110 - 0x113 spare4 : Address; -- 0x114 - 0x117 end record; type Wind_TCB_Ptr is access Wind_TCB; -- Floating point context record. MIPS version FP_NUM_DREGS : constant := 16; type Fpx_Array is array (1 .. FP_NUM_DREGS) of IC.double; type FP_CONTEXT is record fpx : Fpx_Array; fpcsr : IC.int; 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;