1 /*=================================================================
5 // HAL Thread context handling test
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
13 // eCos is free software; you can redistribute it and/or modify it under
14 // the terms of the GNU General Public License as published by the Free
15 // Software Foundation; either version 2 or (at your option) any later version.
17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 // You should have received a copy of the GNU General Public License along
23 // with eCos; if not, write to the Free Software Foundation, Inc.,
24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 // As a special exception, if other files instantiate templates or use macros
27 // or inline functions from this file, or you compile this file and link it
28 // with other works to produce a work based on this file, this file does not
29 // by itself cause the resulting work to be covered by the GNU General Public
30 // License. However the source code for this file must still be made available
31 // in accordance with section (3) of the GNU General Public License.
33 // This exception does not invalidate any other reasons why a work based on
34 // this file might be covered by the GNU General Public License.
36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
37 // at http://sources.redhat.com/ecos/ecos-license/
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
44 // Contributors: nickg
46 //####DESCRIPTIONEND####
49 #include <pkgconf/hal.h>
51 #include <pkgconf/infra.h>
53 #include <cyg/infra/testcase.h>
55 #include <cyg/infra/cyg_trac.h>
56 #include <cyg/hal/hal_arch.h>
58 #define CYG_TRACE_USER_BOOL 1
60 // -------------------------------------------------------------------------
63 #define STACKSIZE (2*1024)
65 char stack[THREADS][STACKSIZE];
67 CYG_ADDRWORD sp[THREADS];
69 cyg_count32 switches = 0;
71 // -------------------------------------------------------------------------
73 void entry0( CYG_ADDRWORD arg )
75 CYG_TRACE1B("Thread %d started\n", arg );
77 while( switches < 1000 )
79 HAL_THREAD_SWITCH_CONTEXT( &sp[arg], &sp[(arg+1) % THREADS] );
81 CYG_TRACE1B("Thread %d resumed\n", arg );
86 CYG_TEST_PASS_FINISH("HAL Context test");
90 // -------------------------------------------------------------------------
92 void context_main(void)
98 // Init all thread contexts:
100 for( i = 0 ; i < THREADS; i++ )
102 sp[i] = (CYG_ADDRWORD)stack[i]+STACKSIZE;
104 HAL_THREAD_INIT_CONTEXT( sp[i], i, entry0, i*0x01010000 );
107 // Load the first thread.
109 HAL_THREAD_LOAD_CONTEXT( &sp[0] );
112 // -------------------------------------------------------------------------
120 // -------------------------------------------------------------------------