ecos-v2_0-branch: packages/kernel/current/include/thread.inl annotate

annotate packages/kernel/current/include/thread.inl @ 183:9160a8005d76

Merge from eCos master repository on 2001-09-12-03:52:30-BST

author	jlarmour
date	Wed, 12 Sep 2001 04:21:13 +0000
parents	f62680ef1804
children	e0c0827131d1

rev	line source
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	1 #ifndef CYGONCE_KERNEL_THREAD_INL
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	2 #define CYGONCE_KERNEL_THREAD_INL
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	3
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	4 //==========================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	5 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	6 // thread.inl
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	7 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	8 // Thread class inlines
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	9 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	10 //==========================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	11 //####COPYRIGHTBEGIN####
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	12 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	13 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	14 // The contents of this file are subject to the Red Hat eCos Public License
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	15 // Version 1.1 (the "License"); you may not use this file except in
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	16 // compliance with the License. You may obtain a copy of the License at
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	17 // http://www.redhat.com/
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	18 //
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	19 // Software distributed under the License is distributed on an "AS IS"
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	21 // License for the specific language governing rights and limitations under
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	22 // the License.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	23 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	24 // The Original Code is eCos - Embedded Configurable Operating System,
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	25 // released September 30, 1998.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	26 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	27 // The Initial Developer of the Original Code is Red Hat.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	28 // Portions created by Red Hat are
160 0d0f03f76f6a Merge from eCos master repository on 2001-06-01-18:52:13-BST jlarmour parents: 154 diff changeset	29 // Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc.
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	30 // All Rights Reserved.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	31 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 2 diff changeset	32 //
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	33 //####COPYRIGHTEND####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	34 //==========================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	35 //#####DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	36 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	37 // Author(s): nickg
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	38 // Contributors: nickg
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	39 // Date: 1997-09-09
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	40 // Purpose: Define inlines for thread classes
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	41 // Description: Inline implementations of various member functions defined
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	42 // in various Thread classes.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	43 // Usage:
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	44 // #include <cyg/kernel/thread.hxx>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	45 // ...
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	46 // #include <cyg/kernel/thread.inl>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	47 // ...
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	48
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	49 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	50 //####DESCRIPTIONEND####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	51 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	52 //==========================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	53
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	54 #include <cyg/kernel/thread.hxx>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	55 #include <cyg/hal/hal_arch.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	56
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	57 #include <cyg/kernel/clock.inl>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	58
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	59 #ifndef CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	60 #define CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE (0)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	61 #endif
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	62
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	63 //==========================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	64 // Inlines for Cyg_HardwareThread
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	65
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	66 // -------------------------------------------------------------------------
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	67 // get the size/base of this thread's stack
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	68
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	69 inline CYG_ADDRESS
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	70 Cyg_HardwareThread::get_stack_base()
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	71 {
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	72 return stack_base - CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	73 }
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	74
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	75 inline cyg_uint32
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	76 Cyg_HardwareThread::get_stack_size()
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	77 {
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	78 return stack_size + 2 * CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	79 }
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	80
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	81 // -------------------------------------------------------------------------
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	82 // Check the stack bounds of this thread:
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	83 #ifdef CYGFUN_KERNEL_THREADS_STACK_CHECKING
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	84 inline void Cyg_HardwareThread::check_stack(void)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	85 {
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	86 cyg_uint32 sig = (cyg_uint32)this;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	87 cyg_uint32 base = (cyg_uint32 )get_stack_base();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	88 cyg_uint32 top = (cyg_uint32 )(stack_base + stack_size);
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	89 cyg_ucount32 i;
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	90
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 160 diff changeset	91 CYG_INSTRUMENT_THREAD(CHECK_STACK, base, top );
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 160 diff changeset	92
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	93 CYG_ASSERT( 0 == ((sizeof(CYG_WORD)-1) & (cyg_uint32)base), "stack base not word aligned" );
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	94 CYG_ASSERT( 0 == ((sizeof(CYG_WORD)-1) & (cyg_uint32)top), "stack top not word aligned" );
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	95
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	96 CYG_ASSERT( (cyg_uint32)stack_ptr > (cyg_uint32)stack_base,
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	97 "Stack_ptr below base" );
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	98 CYG_ASSERT( (cyg_uint32)stack_ptr <= ((cyg_uint32)stack_base + stack_size),
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	99 "Stack_ptr above top" );
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	100
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	101 for ( i = 0;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	102 i < CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE/sizeof(cyg_uint32);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	103 i++ ) {
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	104 CYG_ASSERT( (sig ^ (i * 0x01010101)) == base[i], "Stack base corrupt" );
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	105 CYG_ASSERT( (sig ^ (i * 0x10101010)) == top[i], "Stack top corrupt" );
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	106 }
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	107
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	108 #ifdef CYGFUN_KERNEL_THREADS_STACK_LIMIT
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	109 // we won't have added check data above the stack limit if it hasn't
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	110 // been incremented
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	111 if (stack_limit != stack_base) {
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	112 CYG_ADDRESS limit = stack_limit;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	113 // the limit will be off by the check data size, so lets correct it
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	114 limit -= CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	115
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	116 // determine base of check data by rounding up to nearest word aligned
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	117 // address if not already aligned
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	118 cyg_uint32 p = (cyg_uint32 )((limit + 3) & ~3);
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	119 // i.e. + sizeof(cyg_uint32)-1) & ~(sizeof(cyg_uint32)-1);
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	120
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	121 for ( i = 0;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	122 i < CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE/sizeof(cyg_uint32);
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	123 i++ ) {
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	124 CYG_ASSERT( (sig ^ (i * 0x01010101)) == p[i],
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	125 "Gap between stack limit and base corrupt" );
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	126 }
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	127 }
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	128 #endif
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	129 }
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	130 #endif
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	131
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	132 // -------------------------------------------------------------------------
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	133 // Measure the stack usage of the thread
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	134 #ifdef CYGFUN_KERNEL_THREADS_STACK_MEASUREMENT
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	135 inline cyg_uint32 Cyg_HardwareThread::measure_stack_usage(void)
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	136 {
183 9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 182 diff changeset	137 #ifdef CYGFUN_KERNEL_THREADS_STACK_LIMIT
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 182 diff changeset	138 CYG_WORD base = (CYG_WORD )stack_limit;
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 182 diff changeset	139 cyg_uint32 size = (stack_size - (stack_limit-stack_base))/sizeof(CYG_WORD);
9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 182 diff changeset	140 #else
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	141 CYG_WORD base = (CYG_WORD )stack_base;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	142 cyg_uint32 size = stack_size/sizeof(CYG_WORD);
183 9160a8005d76 Merge from eCos master repository on 2001-09-12-03:52:30-BST jlarmour parents: 182 diff changeset	143 #endif
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	144 cyg_ucount32 i;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	145
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	146 // Work up the stack comparing with the preset value
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	147 // We assume the stack grows downwards, hmm...
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	148 for (i=0; i<size; i++) {
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	149 if (base[i] != 0xDEADBEEF)
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	150 break;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	151 }
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	152 return (size - i)*sizeof(CYG_WORD);
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	153 }
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	154 #endif
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	155
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	156 // -------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	157 // Attach a stack to this thread. If there is a HAL defined macro to
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	158 // do this, then we use that, otherwise assume a falling stack.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	159 inline void Cyg_HardwareThread::attach_stack(CYG_ADDRESS s_base, cyg_uint32 s_size)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	160 {
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	161 #ifdef CYGNUM_HAL_STACK_SIZE_MINIMUM
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	162 CYG_ASSERT( s_size >= CYGNUM_HAL_STACK_SIZE_MINIMUM,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	163 "Stack size too small");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	164 #endif
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	165
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	166 #ifdef CYGFUN_KERNEL_THREADS_STACK_CHECKING
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	167 {
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	168 cyg_uint32 sig = (cyg_uint32)this;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	169 cyg_uint32 base = (cyg_uint32 )s_base;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	170 cyg_uint32 top = (cyg_uint32 )(s_base + s_size -
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	171 CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	172
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	173 unsigned int i;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	174
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 160 diff changeset	175 CYG_INSTRUMENT_THREAD(ATTACH_STACK, base, top );
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 160 diff changeset	176
154 e2d866e32dac Merge from eCos master repository on 2001-02-26-23:18:05-GMT jlarmour parents: 147 diff changeset	177 CYG_ASSERT( NULL != base, "stack base non-NULL" );
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	178 CYG_ASSERT( 0 == ((sizeof(CYG_WORD)-1) & (cyg_uint32)base), "stack base alignment" );
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	179 CYG_ASSERT( 0 == ((sizeof(CYG_WORD)-1) & (cyg_uint32)top), "stack top alignment" );
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	180
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	181 for ( i = 0;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	182 i < CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE/sizeof(cyg_uint32);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	183 i++ ) {
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	184 base[i] = (sig ^ (i * 0x01010101));
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	185 top[i] = (sig ^ (i * 0x10101010));
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	186 }
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	187 // This check for overlap of the two signature areas also detects
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	188 // wrap round zero of the size in the unsigned subtraction below.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	189 CYG_ASSERT( &base[i] < &top[0], "Stack is so small size wrapped" );
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	190 // Use this 'i' expression to round correctly to whole words.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	191 s_base += i * sizeof(cyg_uint32);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	192 s_size -= i * sizeof(cyg_uint32) * 2;
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	193 // This is a complete guess, the 256; the point is to assert early that
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	194 // this might go badly wrong. It would not detect wrap of unsigned size.
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	195 CYG_ASSERT( s_size >= 256,
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	196 "Stack size too small after allocating checking buffer");
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	197 }
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	198 #endif
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	199 #ifdef CYGFUN_KERNEL_THREADS_STACK_MEASUREMENT
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	200 {
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	201 CYG_WORD base = (CYG_WORD )s_base;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	202 cyg_uint32 size = s_size/sizeof(CYG_WORD);
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	203 cyg_ucount32 i;
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	204
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	205 // initialize all of stack with known value - don't choose 0
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	206 // could do with pseudo value as above, but this way, checking
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	207 // is faster
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	208 for (i=0; i<size; i++) {
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	209 base[i] = 0xDEADBEEF;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	210 }
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	211 // Don't bother about the case when the stack isn't a multiple of
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	212 // CYG_WORD in size. Since it's at the top of the stack, it will
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	213 // almost certainly be overwritten the instant the thread starts
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	214 // anyway.
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	215 }
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	216 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	217 stack_base = s_base;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	218 stack_size = s_size;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	219 #ifdef CYGFUN_KERNEL_THREADS_STACK_LIMIT
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	220 stack_limit = s_base;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	221 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	222
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	223 #ifdef HAL_THREAD_ATTACH_STACK
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	224
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	225 HAL_THREAD_ATTACH_STACK(stack_ptr, stack_base, stack_size);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	226
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	227 #else
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	228
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	229 stack_ptr = stack_base + stack_size;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	230
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	231 #endif
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	232
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	233 #ifdef CYGFUN_KERNEL_THREADS_STACK_CHECKING
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	234 check_stack();
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 115 diff changeset	235 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	236 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	237
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	238 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	239
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	240 inline Cyg_HardwareThread::Cyg_HardwareThread(
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	241 cyg_thread_entry *e_point, // entry point function
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	242 CYG_ADDRWORD e_data, // entry data
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	243 cyg_ucount32 s_size, // stack size, 0 = use default
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	244 CYG_ADDRESS s_base // stack base, NULL = allocate
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	245 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	246 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	247 entry_point = e_point;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	248 entry_data = e_data;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	249 #ifdef CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	250 saved_context = 0;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	251 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	252
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	253 attach_stack( s_base, s_size );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	254 };
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	255
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	256 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	257
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	258 #ifdef CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	259
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	260 // Return the current saved state for this thread.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	261 inline HAL_SavedRegisters *Cyg_HardwareThread::get_saved_context()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	262 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	263 HAL_SavedRegisters *regs;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	264 if( saved_context != 0 ) regs = saved_context;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	265 else HAL_THREAD_GET_SAVED_REGISTERS( stack_ptr, regs );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	266 return regs;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	267 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	268
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	269 inline void Cyg_HardwareThread::set_saved_context(HAL_SavedRegisters *ctx)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	270 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	271 saved_context = ctx;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	272 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	273
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	274 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	275
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	276 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	277 // (declare this inline before its first use)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	278
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	279 inline cyg_uint16 Cyg_Thread::get_unique_id()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	280 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	281 return unique_id;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	282 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	283
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	284 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	285 // Initialize the context of this thread.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	286
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	287 inline void Cyg_HardwareThread::init_context(Cyg_Thread *thread)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	288 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	289 #ifdef CYGPKG_INFRA_DEBUG
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	290 cyg_uint32 threadid = thread->get_unique_id()*0x01010000;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	291 #else
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	292 cyg_uint32 threadid = 0x11110000;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	293 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	294 HAL_THREAD_INIT_CONTEXT( stack_ptr, thread, thread_entry, threadid );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	295 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	296
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	297
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	298
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	299 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	300 // Save current thread's context and load that of the given next thread.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	301 // This function is only really here for completeness, the
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	302 // kernel generally calls the HAL macros directly.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	303
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	304 inline void Cyg_HardwareThread::switch_context(Cyg_HardwareThread *next)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	305 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	306 HAL_THREAD_SWITCH_CONTEXT( &stack_ptr, &next->stack_ptr );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	307 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	308
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	309 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	310 // Get and set entry_data.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	311
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	312 inline void Cyg_HardwareThread::set_entry_data( CYG_ADDRWORD data )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	313 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	314 entry_data = data;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	315 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	316
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	317 inline CYG_ADDRWORD Cyg_HardwareThread::get_entry_data()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	318 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	319 return entry_data;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	320 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	321
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	322 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	323 // Allocate some memory at the lower end of the stack
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	324 // by moving the stack limit pointer.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	325
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	326 #ifdef CYGFUN_KERNEL_THREADS_STACK_LIMIT
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	327
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	328 #ifndef CYGFUN_KERNEL_THREADS_STACK_CHECKING
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	329 // if stack checking, implementation is in thread.cxx
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	330 inline void *Cyg_HardwareThread::increment_stack_limit( cyg_ucount32 size )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	331 {
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	332 void ret = (void )stack_limit;
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	333 stack_limit += size;
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	334 return ret;
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	335 }
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	336 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	337
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	338 inline CYG_ADDRESS
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	339 Cyg_HardwareThread::get_stack_limit()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	340 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	341 return stack_limit;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	342 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	343
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	344 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	345
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	346 //==========================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	347 // Inlines for Cyg_Thread class
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	348
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	349 inline Cyg_Thread *Cyg_Thread::self()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	350 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	351 return Cyg_Scheduler::get_current_thread();
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	352 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	353
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	354 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	355
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	356 inline void Cyg_Thread::yield()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	357 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	358 self()->Cyg_SchedThread::yield();
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	359 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	360
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	361 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	362
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	363 inline void
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	364 Cyg_Thread::rotate_queue( cyg_priority pri )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	365 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	366 self()->Cyg_SchedThread::rotate_queue( pri );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	367 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	368
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	369 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	370
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	371 inline void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	372 Cyg_Thread::to_queue_head( void )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	373 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	374 this->Cyg_SchedThread::to_queue_head();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	375 }
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	376
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	377 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	378
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	379 #ifdef CYGIMP_THREAD_PRIORITY
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	380
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	381 inline cyg_priority Cyg_Thread::get_priority()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	382 {
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	383 #ifdef CYGSEM_KERNEL_SYNCH_MUTEX_PRIORITY_INVERSION_PROTOCOL_SIMPLE
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	384
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	385 // If we have an inherited priority, return our original
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	386 // priority rather than the current one.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	387
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	388 if( priority_inherited ) return original_priority;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	389
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	390 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	391
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	392 return priority;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	393 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	394
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	395 // Return the actual dispatching priority of the thread
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	396 // regardless of inheritance or scheduling concerns.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	397 inline cyg_priority Cyg_Thread::get_current_priority()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	398 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	399 return priority;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	400 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	401
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	402 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	403
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	404 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	405
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	406 inline void Cyg_Thread::set_sleep_reason( cyg_reason reason)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	407 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	408 self()->sleep_reason = reason;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	409 self()->wake_reason = NONE;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	410 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	411
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	412 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	413
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	414 inline Cyg_Thread::cyg_reason Cyg_Thread::get_sleep_reason()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	415 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	416 return sleep_reason;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	417 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	418
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	419 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	420
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	421 inline void Cyg_Thread::set_wake_reason( cyg_reason reason )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	422 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	423 sleep_reason = NONE;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	424 wake_reason = reason;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	425 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	426
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	427 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	428
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	429 inline Cyg_Thread::cyg_reason Cyg_Thread::get_wake_reason()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	430 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	431 return wake_reason;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	432 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	433
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	434 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	435
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	436 inline void Cyg_Thread::set_timer(
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	437 cyg_tick_count trigger,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	438 cyg_reason reason
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	439 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	440 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	441 #ifdef CYGFUN_KERNEL_THREADS_TIMER
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	442 self()->sleep_reason = reason;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	443 self()->wake_reason = NONE;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	444 self()->timer.initialize( trigger);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	445 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	446 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	447
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	448 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	449
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	450 inline void Cyg_Thread::clear_timer()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	451 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	452 #ifdef CYGFUN_KERNEL_THREADS_TIMER
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	453 self()->timer.disable();
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	454 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	455 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	456
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	457 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	458
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	459 #ifdef CYGVAR_KERNEL_THREADS_DATA
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	460
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	461 inline CYG_ADDRWORD Cyg_Thread::get_data( Cyg_Thread::cyg_data_index index )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	462 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	463 CYG_ASSERT( index < CYGNUM_KERNEL_THREADS_DATA_MAX,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	464 "Per thread data index out of bounds");
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	465 CYG_ASSERT( (thread_data_map & (1<<index)) == 0,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	466 "Unallocated index used");
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	467
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	468 return self()->thread_data[index];
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	469 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	470
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	471 inline CYG_ADDRWORD *Cyg_Thread::get_data_ptr( Cyg_Thread::cyg_data_index index )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	472 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	473 CYG_ASSERT( index < CYGNUM_KERNEL_THREADS_DATA_MAX,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	474 "Per thread data index out of bounds");
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	475 CYG_ASSERT( (thread_data_map & (1<<index)) == 0,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	476 "Unallocated index used");
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	477
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	478 return &(self()->thread_data[index]);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	479 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	480
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	481 inline void Cyg_Thread::set_data( Cyg_Thread::cyg_data_index index,
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	482 CYG_ADDRWORD data )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	483 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	484 CYG_ASSERT( index < CYGNUM_KERNEL_THREADS_DATA_MAX,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	485 "Per thread data index out of bounds");
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	486 CYG_ASSERT( (thread_data_map & (1<<index)) == 0,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	487 "Unallocated index used");
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	488
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	489 thread_data[index] = data;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	490 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	491
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	492 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	493
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	494 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	495
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	496 #ifdef CYGPKG_KERNEL_THREADS_DESTRUCTORS
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	497
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	498 // Add and remove destructors. Returns true on success, false on failure.
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	499 inline cyg_bool
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	500 Cyg_Thread::add_destructor( destructor_fn fn, CYG_ADDRWORD data )
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	501 {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	502 cyg_ucount16 i;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	503 Cyg_Scheduler::lock();
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	504 for (i=0; i<CYGNUM_KERNEL_THREADS_DESTRUCTORS; i++) {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	505 if (NULL == destructors[i].fn) {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	506 destructors[i].data = data;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	507 destructors[i].fn = fn;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	508 Cyg_Scheduler::unlock();
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	509 return true;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	510 }
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	511 }
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	512 Cyg_Scheduler::unlock();
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	513 return false;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	514 }
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	515
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	516 inline cyg_bool
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	517 Cyg_Thread::rem_destructor( destructor_fn fn, CYG_ADDRWORD data )
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	518 {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	519 cyg_ucount16 i;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	520 Cyg_Scheduler::lock();
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	521 for (i=0; i<CYGNUM_KERNEL_THREADS_DESTRUCTORS; i++) {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	522 if (destructors[i].fn == fn && destructors[i].data == data) {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	523 destructors[i].fn = NULL;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	524 Cyg_Scheduler::unlock();
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	525 return true;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	526 }
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	527 }
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	528 Cyg_Scheduler::unlock();
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	529 return false;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	530 }
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	531
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	532 #endif
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	533
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	534 // -------------------------------------------------------------------------
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 177 diff changeset	535
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	536 #ifdef CYGVAR_KERNEL_THREADS_NAME
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	537
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	538 inline char *Cyg_Thread::get_name()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	539 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	540 return name;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	541 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	542
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	543 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	544
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	545 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	546
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	547 #ifdef CYGVAR_KERNEL_THREADS_LIST
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	548
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	549 inline Cyg_Thread *Cyg_Thread::get_list_head()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	550 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	551 return thread_list?thread_list->list_next:0;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	552 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	553
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	554 inline Cyg_Thread *Cyg_Thread::get_list_next()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	555 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	556 return (this==thread_list)?0:list_next;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	557 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	558
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	559 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	560
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	561
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	562 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	563
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	564 #ifdef CYGPKG_KERNEL_EXCEPTIONS
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	565
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	566 inline void Cyg_Thread::register_exception(
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	567 cyg_code exception_number, // exception number
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	568 cyg_exception_handler handler, // handler function
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	569 CYG_ADDRWORD data, // data argument
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	570 cyg_exception_handler **old_handler, // handler function
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	571 CYG_ADDRWORD *old_data // data argument
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	572 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	573 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	574 self()->exception_control.register_exception(
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	575 exception_number,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	576 handler,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	577 data,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	578 old_handler,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	579 old_data
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	580 );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	581 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	582
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	583 inline void Cyg_Thread::deregister_exception(
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	584 cyg_code exception_number // exception number
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	585 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	586 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	587 self()->exception_control.deregister_exception(
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	588 exception_number
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	589 );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	590 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	591
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	592 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	593
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	594 //==========================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	595 // Inlines for Cyg_ThreadTimer class
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	596
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	597 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	598 #if defined(CYGFUN_KERNEL_THREADS_TIMER) && defined(CYGVAR_KERNEL_COUNTERS_CLOCK)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	599
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	600 inline Cyg_ThreadTimer::Cyg_ThreadTimer(
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	601 Cyg_Thread *th
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	602 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	603 : Cyg_Alarm(Cyg_Clock::real_time_clock,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	604 &alarm,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	605 CYG_ADDRWORD(this)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	606 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	607 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	608 thread = th;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	609 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	610
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	611 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	612
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	613 //==========================================================================
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	614 // Inlines for Cyg_ThreadQueue class
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	615
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	616
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	617 inline void Cyg_ThreadQueue::enqueue(Cyg_Thread *thread)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	618 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	619 Cyg_ThreadQueue_Implementation::enqueue(thread);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	620 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	621
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	622 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	623
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	624 inline Cyg_Thread *Cyg_ThreadQueue::highpri()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	625 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	626 return Cyg_ThreadQueue_Implementation::highpri();
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	627 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	628
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	629 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	630
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	631 inline Cyg_Thread *Cyg_ThreadQueue::dequeue()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	632 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	633 return Cyg_ThreadQueue_Implementation::dequeue();
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	634 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	635
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	636 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	637
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	638 inline void Cyg_ThreadQueue::remove(Cyg_Thread *thread)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	639 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	640 Cyg_ThreadQueue_Implementation::remove(thread);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	641 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	642
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	643 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	644
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	645 inline cyg_bool Cyg_ThreadQueue::empty()
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	646 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	647 return Cyg_ThreadQueue_Implementation::empty();
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	648 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	649
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	650 // -------------------------------------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	651 #endif // ifndef CYGONCE_KERNEL_THREAD_INL
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	652 // EOF thread.inl

Mercurial > ecos-v2_0-branch

annotate packages/kernel/current/include/thread.inl @ 183:9160a8005d76