ecos: packages/hal/common/current/src/drv

annotate packages/hal/common/current/src/drv_api.c @ 3292:7f8e529b4d82 default tip

Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.

author	vae
date	Wed, 29 Apr 2015 23:31:48 +0000
parents	74dbf4c3f2e1
children

rev	line source
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	1 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	2 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	3 // drv_api.c
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	4 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	5 // Driver API for non-kernel configurations
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	6 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	7 //==========================================================================
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	8 // ####ECOSGPLCOPYRIGHTBEGIN####
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	9 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	10 // This file is part of eCos, the Embedded Configurable Operating System.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	12 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	13 // eCos is free software; you can redistribute it and/or modify it under
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	14 // the terms of the GNU General Public License as published by the Free
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	15 // Software Foundation; either version 2 or (at your option) any later
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	16 // version.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	17 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	18 // eCos is distributed in the hope that it will be useful, but WITHOUT
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	21 // for more details.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	22 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	23 // You should have received a copy of the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	26 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	27 // As a special exception, if other files instantiate templates or use
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	28 // macros or inline functions from this file, or you compile this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	29 // and link it with other works to produce a work based on this file,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	30 // this file does not by itself cause the resulting work to be covered by
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	31 // the GNU General Public License. However the source code for this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	32 // must still be made available in accordance with section (3) of the GNU
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	33 // General Public License v2.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	34 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	35 // This exception does not invalidate any other reasons why a work based
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	36 // on this file might be covered by the GNU General Public License.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	37 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1158 diff changeset	38 // ####ECOSGPLCOPYRIGHTEND####
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	39 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	40 //#####DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	41 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	42 // Author(s): Nick Garnett
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	43 // Date: 1999-02-24
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	44 // Purpose: Driver API for non-kernel configurations
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	45 // Description: These functions are used to support drivers when the kernel
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	46 // is not present.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	47 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	48 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	49 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	50 //####DESCRIPTIONEND####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	51 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	52 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	53
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	54 #include <pkgconf/system.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	55
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	56 #ifndef CYGPKG_KERNEL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	57
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	58 #include <cyg/infra/cyg_type.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	59 #include <cyg/infra/cyg_trac.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	60 #include <cyg/infra/cyg_ass.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	61
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	62 #include <pkgconf/hal.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	63 #include <cyg/hal/drv_api.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	64
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	65 #include <cyg/hal/hal_arch.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	66 #include <cyg/hal/hal_intr.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	67
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	68 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	69 // Statics
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	70
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 130 diff changeset	71 static volatile cyg_int32 isr_disable_counter = 1; // ISR disable counter
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	72
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	73 static CYG_INTERRUPT_STATE isr_disable_state;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	74
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 151 diff changeset	75 volatile cyg_int32 dsr_disable_counter // DSR disable counter
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 151 diff changeset	76 CYGBLD_ATTRIB_ASM_ALIAS( cyg_scheduler_sched_lock );
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	77
130 eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 115 diff changeset	78 static cyg_interrupt* volatile dsr_list; // List of pending DSRs
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	79
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	80 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	81
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	82 cyg_interrupt *chain_list[CYGNUM_HAL_ISR_COUNT];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	83
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	84 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	85
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	86 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	87 // DSR handling functions.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	88 // post_dsr() places a DSR on the list of DSRs to be called.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	89 // call_dsrs() calls the DSRs.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	90
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	91 static void post_dsr( cyg_interrupt *intr )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	92 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	93 CYG_INTERRUPT_STATE old_intr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	94
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	95 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	96
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	97 HAL_DISABLE_INTERRUPTS(old_intr);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	98
130 eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 115 diff changeset	99 if( intr->dsr_count++ == 0 )
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	100 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	101 intr->next_dsr = dsr_list;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	102 dsr_list = intr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	103 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	104
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	105 HAL_RESTORE_INTERRUPTS(old_intr);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	106
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	107 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	108 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	109
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	110 static void call_dsrs(void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	111 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	112 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	113
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	114 while( dsr_list != NULL )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	115 {
130 eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 115 diff changeset	116 cyg_interrupt *intr;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	117 cyg_int32 count;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	118 CYG_INTERRUPT_STATE old_intr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	119
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	120 HAL_DISABLE_INTERRUPTS(old_intr);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	121
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	122 intr = dsr_list;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	123 dsr_list = intr->next_dsr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	124 count = intr->dsr_count;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	125 intr->dsr_count = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	126
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	127 HAL_RESTORE_INTERRUPTS(old_intr);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	128
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	129 intr->dsr( intr->vector, count, (CYG_ADDRWORD)intr->data );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	130 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	131
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	132 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	133
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	134 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	135
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	136 //--------------------------------------------------------------------------
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	137 // This is referenced from the HAL, although it does not actually get called.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	138
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	139 externC void
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	140 cyg_interrupt_call_pending_DSRs(void)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	141 {
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	142 call_dsrs();
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	143 }
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	144
1158 10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	145 //--------------------------------------------------------------------------
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	146 // This is called from springboard ISRs in some HALs.
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	147
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	148 externC void
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	149 cyg_interrupt_post_dsr(CYG_ADDRWORD data)
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	150 {
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	151 cyg_interrupt * intr = (cyg_interrupt *)data;
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	152 post_dsr(intr);
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	153 }
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	154
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	155 //--------------------------------------------------------------------------
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	156 // Interrupt end function called from HAL VSR to tidy up. This is where
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	157 // DSRs will be called if necessary.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	158
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	159 externC void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	160 interrupt_end(
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	161 cyg_uint32 isr_ret,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	162 cyg_interrupt *intr,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	163 HAL_SavedRegisters *regs
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	164 )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	165 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	166 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	167
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	168 #ifndef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	169
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	170 // Only do this if we are in a non-chained configuration.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	171 // If we are chained, then chain_isr will do the DSR
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	172 // posting.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	173
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	174 if( isr_ret & CYG_ISR_CALL_DSR && intr != NULL ) post_dsr(intr);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	175
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	176 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	177
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	178 if( dsr_disable_counter == 0 ) call_dsrs();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	179
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	180 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	181 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	182
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	183 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	184 // ISR for handling chained interrupts.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	185
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	186 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	187
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	188 cyg_uint32 chain_isr(cyg_vector_t vector, CYG_ADDRWORD data)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	189 {
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	190 cyg_interrupt p = (cyg_interrupt **)data;
174 38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	191 register cyg_uint32 isr_ret = 0;
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	192 register cyg_uint32 isr_chain_ret = 0;
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	193
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	194 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	195
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	196 while( p != NULL )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	197 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	198 if( p->vector == vector )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	199 {
174 38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	200 isr_ret = p->isr(vector, p->data);
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	201
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	202 isr_chain_ret \|= isr_ret;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	203
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	204 if( isr_ret & CYG_ISR_CALL_DSR ) post_dsr(p);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	205
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	206 if( isr_ret & CYG_ISR_HANDLED ) break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	207 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	208
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	209 p = p->next;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	210 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	211
174 38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	212 #ifdef HAL_DEFAULT_ISR
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	213 if( (isr_chain_ret & (CYG_ISR_CALL_DSR\|CYG_ISR_HANDLED)) == 0 )
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	214 {
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	215 // If we finished the loop for some reason other than that an
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	216 // ISR has handled the interrupt, call any default ISR to either
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	217 // report the spurious interrupt, or do some other HAL level processing
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	218 // such as GDB interrupt detection etc.
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	219
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	220 HAL_DEFAULT_ISR( vector, 0 );
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	221 }
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	222 #endif
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	223
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	224 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	225
174 38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	226 return isr_ret & CYG_ISR_CALL_DSR;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	227 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	228
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	229 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	230
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	231 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	232 // ISR lock. This disables interrupts and keeps a count of the number
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	233 // times it has been called.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	234
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	235 externC void cyg_drv_isr_lock()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	236 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	237 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	238
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	239 if( isr_disable_counter == 0 )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	240 HAL_DISABLE_INTERRUPTS(isr_disable_state);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	241
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	242 CYG_ASSERT( isr_disable_counter >= 0 , "Disable counter negative");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	243
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	244 isr_disable_counter++;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	245
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	246 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	247 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	248
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	249 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	250 // Unlock ISRs. This decrements the count and re-enables interrupts if it
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	251 // goes zero.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	252
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	253 externC void cyg_drv_isr_unlock()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	254 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	255 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	256
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	257 CYG_ASSERT( isr_disable_counter > 0 , "Disable counter not greater than zero");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	258
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	259 isr_disable_counter--;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	260
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	261 if ( isr_disable_counter == 0 )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	262 {
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	263 HAL_RESTORE_INTERRUPTS(isr_disable_state);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	264 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	265
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	266 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	267 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	268
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	269 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	270 // Lock DSR lock. Simply increment the counter.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	271
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	272 externC void cyg_drv_dsr_lock()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	273 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	274 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	275
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	276 dsr_disable_counter++;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	277
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	278 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	279 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	280
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	281 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	282 // Unlock DSR lock. If the counter is about to go zero, call any pending
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	283 // DSRs and then zero the counter.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	284
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	285 externC void cyg_drv_dsr_unlock()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	286 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	287 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	288
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	289 do
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	290 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	291 if( dsr_disable_counter == 1 )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	292 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	293 call_dsrs();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	294 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	295
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	296 HAL_REORDER_BARRIER();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	297
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	298 dsr_disable_counter = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	299
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	300 HAL_REORDER_BARRIER();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	301
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	302 // Check that no DSRs have been posted between calling
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	303 // call_dsrs() and zeroing dsr_disable_counter. If so,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	304 // loop back and call them.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	305
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	306 if( dsr_list != NULL )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	307 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	308 dsr_disable_counter = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	309 continue;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	310 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	311
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	312 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	313
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	314 return;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	315
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	316 } while(1);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	317
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	318 CYG_FAIL( "Should not be executed" );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	319 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	320
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	321 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	322 // Initialize a mutex.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	323
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	324 externC void cyg_drv_mutex_init( cyg_drv_mutex_t *mutex )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	325 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	326 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	327
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	328 mutex->lock = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	329
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	330 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	331 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	332
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	333 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	334 // Destroy a mutex.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	335
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	336 externC void cyg_drv_mutex_destroy( cyg_drv_mutex_t *mutex )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	337 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	338 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	339
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	340 mutex->lock = -1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	341
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	342 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	343 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	344
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	345 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	346 // Lock a mutex. We check that we are not trying to lock a locked or
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	347 // destroyed mutex and if not, set it locked.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	348
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	349 externC cyg_bool_t cyg_drv_mutex_lock( cyg_drv_mutex_t *mutex )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	350 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	351 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	352
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	353 CYG_ASSERT( mutex->lock == 0 , "Trying to lock locked mutex");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	354
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	355 mutex->lock = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	356
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	357 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	358
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	359 return true;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	360 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	361
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	362 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	363 // Attempt to claim a mutex, and return if it cannot be.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	364
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	365 externC cyg_bool_t cyg_drv_mutex_trylock( cyg_drv_mutex_t *mutex )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	366 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	367 cyg_bool_t result = true;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	368
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	369 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	370
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	371 if( mutex->lock == 1 ) result = false;
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	372
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	373 mutex->lock = 1;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	374
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	375 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	376
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	377 return result;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	378 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	379
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	380 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	381 // Unlock a mutex. We check that the mutex is actually locked before doing
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	382 // this.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	383
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	384 externC void cyg_drv_mutex_unlock( cyg_drv_mutex_t *mutex )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	385 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	386 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	387
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	388 CYG_ASSERT( mutex->lock == 1 , "Trying to unlock unlocked mutex");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	389
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	390 mutex->lock = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	391
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	392 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	393 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	394
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	395 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	396 // Release all threads waiting for the mutex.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	397 // This is really for threads, so we do nothing here.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	398
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	399 externC void cyg_drv_mutex_release( cyg_drv_mutex_t *mutex )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	400 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	401 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	402
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	403
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	404
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	405 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	406 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	407
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	408
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	409 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	410 // Initialized a condition variable.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	411
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	412 externC void cyg_drv_cond_init( cyg_drv_cond_t cond, cyg_drv_mutex_t mutex )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	413 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	414 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	415
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	416 cond->wait = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	417 cond->mutex = mutex;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	418
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	419 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	420 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	421
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	422
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	423 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	424 // Destroy a condition variable.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	425
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	426 externC void cyg_drv_cond_destroy( cyg_drv_cond_t *cond )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	427 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	428 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	429
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	430 cond->wait = -1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	431 cond->mutex = NULL;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	432
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	433 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	434 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	435
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	436 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	437 // Wait for a condition variable to be signalled. We simply busy wait
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	438 // polling the condition variable's wait member until a DSR sets it to
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	439 // 0. Note that the semantics of condition variables means that the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	440 // wakeup only happens if there is a thread actually waiting on the CV
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	441 // when the signal is sent.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	442
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	443 externC cyg_bool cyg_drv_cond_wait( cyg_drv_cond_t *cond )
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	444 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	445 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	446
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	447 CYG_ASSERT( cond->mutex != NULL, "Uninitialized condition variable");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	448 CYG_ASSERT( cond->mutex->lock, "Mutex not locked");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	449
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	450 cyg_drv_dsr_lock();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	451
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	452 cond->wait = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	453
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	454 while( cond->wait == 1 )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	455 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	456 // While looping we call call_dsrs() to service any DSRs that
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	457 // get posted. One of these will make the call to cond_signal
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	458 // to break us out of this loop. If we do not have the DSR
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	459 // lock claimed, then a race condition could occur and keep us
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	460 // stuck here forever.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	461
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	462 call_dsrs();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	463 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	464
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	465 cyg_drv_dsr_unlock();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	466
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	467 CYG_REPORT_RETURN();
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	468
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	469 return true;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	470 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	471
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	472 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	473 // Signal a condition variable. This sets the wait member to zero, which
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	474 // has no effect when there is no waiter, but will wake up any waiting
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	475 // thread.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	476
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	477 externC void cyg_drv_cond_signal( cyg_drv_cond_t *cond )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	478 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	479 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	480
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	481 cond->wait = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	482
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	483 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	484 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	485
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	486
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	487 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	488 // Broadcast to condition variable. This is exactly the same a signal since
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	489 // there can only be one waiter.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	490
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	491 externC void cyg_drv_cond_broadcast( cyg_drv_cond_t *cond )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	492 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	493 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	494
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	495 cond->wait = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	496
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	497 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	498 }
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	499
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	500 //--------------------------------------------------------------------------
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	501 // Spinlock support.
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	502 // Since we can only support a single CPU in this version of the API, we only
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	503 // set and clear the lock variable to keep track of what's happening.
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	504
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	505 void cyg_drv_spinlock_init(
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	506 cyg_drv_spinlock_t lock, / spinlock to initialize */
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	507 cyg_bool_t locked /* init locked or unlocked */
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	508 )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	509 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	510 CYG_REPORT_FUNCTION();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	511
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	512 lock->lock = locked;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	513
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	514 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	515 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	516
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	517 void cyg_drv_spinlock_destroy( cyg_drv_spinlock_t *lock )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	518 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	519 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	520
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	521 lock->lock = -1;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	522
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	523 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	524 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	525
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	526 void cyg_drv_spinlock_spin( cyg_drv_spinlock_t *lock )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	527 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	528 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	529
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	530 CYG_ASSERT( lock->lock == 0 , "Trying to lock locked spinlock");
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	531
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	532 lock->lock = 1;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	533
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	534 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	535 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	536
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	537 void cyg_drv_spinlock_clear( cyg_drv_spinlock_t *lock )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	538 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	539 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	540
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	541 CYG_ASSERT( lock->lock == 1 , "Trying to clear cleared spinlock");
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	542
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	543 lock->lock = 0;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	544
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	545 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	546 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	547
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	548 cyg_bool_t cyg_drv_spinlock_try( cyg_drv_spinlock_t *lock )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	549 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	550 cyg_bool_t result = true;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	551
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	552 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	553
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	554 if( lock->lock == 1 ) result = false;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	555
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	556 lock->lock = 1;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	557
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	558 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	559
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	560 return result;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	561 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	562
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	563 cyg_bool_t cyg_drv_spinlock_test( cyg_drv_spinlock_t *lock )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	564 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	565 cyg_bool_t result = true;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	566
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	567 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	568
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	569 if( lock->lock == 1 ) result = false;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	570
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	571 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	572
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	573 return result;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	574 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	575
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	576 void cyg_drv_spinlock_spin_intsave( cyg_drv_spinlock_t *lock,
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	577 cyg_addrword_t *istate )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	578 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	579 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	580
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	581 HAL_DISABLE_INTERRUPTS( *istate );
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	582
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	583 lock->lock = 1;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	584
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	585 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	586 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	587
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	588
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	589 void cyg_drv_spinlock_clear_intsave( cyg_drv_spinlock_t *lock,
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	590 cyg_addrword_t istate )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	591 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	592 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	593
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	594 lock->lock = 0;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	595
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	596 HAL_RESTORE_INTERRUPTS( istate );
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	597
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	598 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	599 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	600
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	601 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	602 // Create an interrupt object.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	603
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	604 externC void cyg_drv_interrupt_create(
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	605 cyg_vector_t vector,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	606 cyg_priority_t priority,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	607 cyg_addrword_t data,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	608 cyg_ISR_t *isr,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	609 cyg_DSR_t *dsr,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	610 cyg_handle_t *handle,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	611 cyg_interrupt *intr
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	612 )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	613 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	614 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	615
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	616 intr->vector = vector;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	617 intr->priority = priority;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	618 intr->isr = isr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	619 intr->dsr = dsr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	620 intr->data = data;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	621 intr->next_dsr = NULL;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	622 intr->dsr_count = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	623
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	624 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	625
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	626 intr->next = NULL;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	627
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	628 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	629
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	630 *handle = (cyg_handle_t)intr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	631
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	632 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	633 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	634
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	635 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	636 // Delete an interrupt object. This merely ensures that it is detached from
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	637 // the vector.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	638
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	639 externC void cyg_drv_interrupt_delete( cyg_handle_t interrupt )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	640 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	641 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	642
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	643 cyg_drv_interrupt_detach( interrupt );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	644
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	645 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	646 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	647
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	648 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	649 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	650
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	651 externC void cyg_drv_interrupt_attach( cyg_handle_t interrupt )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	652 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	653 cyg_interrupt intr = (cyg_interrupt )interrupt;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	654
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	655 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	656
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	657 CYG_ASSERT( intr->vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	658 CYG_ASSERT( intr->vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	659
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	660 HAL_INTERRUPT_SET_LEVEL( intr->vector, intr->priority );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	661
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	662 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	663
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	664 CYG_ASSERT( intr->next == NULL , "cyg_interrupt already on a list");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	665
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	666 {
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	667 cyg_uint32 index;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	668
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	669 HAL_TRANSLATE_VECTOR( intr->vector, index );
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	670
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	671 if( chain_list[index] == NULL )
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	672 {
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	673 // First Interrupt on this chain, just assign it and
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	674 // register the chain_isr with the HAL.
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	675
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	676 chain_list[index] = intr;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	677
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	678 HAL_INTERRUPT_ATTACH( intr->vector, chain_isr,
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	679 &chain_list[index], NULL );
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	680 }
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	681 else
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	682 {
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	683 // There are already interrupts chained, add this one into
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	684 // the chain in priority order.
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	685
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	686 cyg_interrupt **p = &chain_list[index];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	687
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	688 while( *p != NULL )
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	689 {
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	690 cyg_interrupt n = p;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	691
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	692 if( n->priority < intr->priority ) break;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	693
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	694 p = &n->next;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	695 }
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	696 intr->next = *p;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	697 *p = intr;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	698 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	699 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	700
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	701 #else
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	702
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	703 HAL_INTERRUPT_ATTACH( intr->vector, intr->isr, intr->data, intr );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	704
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	705 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	706
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	707 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	708 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	709
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	710
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	711 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	712 // Detach an interrupt from its vector.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	713
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	714 externC void cyg_drv_interrupt_detach( cyg_handle_t interrupt )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	715 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	716 cyg_interrupt intr = (cyg_interrupt )interrupt;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	717
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	718 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	719
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	720 CYG_ASSERT( intr->vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	721 CYG_ASSERT( intr->vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	722
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	723 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	724
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	725 // Remove the interrupt object from the vector chain.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	726
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	727 {
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	728 cyg_uint32 index;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	729 cyg_interrupt **p;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	730
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 151 diff changeset	731 HAL_TRANSLATE_VECTOR( intr->vector, index );
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	732
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	733 p = &chain_list[index];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	734
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	735 while( *p != NULL )
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	736 {
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	737 cyg_interrupt n = p;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	738
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	739 if( n == intr )
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	740 {
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	741 *p = intr->next;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	742 break;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	743 }
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	744
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	745 p = &n->next;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	746 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	747
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	748 // If this was the last one, detach the vector.
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	749
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	750 if( chain_list[index] == NULL )
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	751 HAL_INTERRUPT_DETACH( intr->vector, chain_isr );
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	752 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	753
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	754 #else
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	755
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	756 HAL_INTERRUPT_DETACH( intr->vector, intr->isr );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	757
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	758 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	759
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	760 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	761 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	762
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	763
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	764 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	765 // Mask delivery of an interrupt at the interrupt controller.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	766 // (Interrupt safe)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	767
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	768 externC void cyg_drv_interrupt_mask( cyg_vector_t vector )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	769 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	770 CYG_INTERRUPT_STATE old_ints;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	771
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	772 CYG_REPORT_FUNCTION();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	773 CYG_REPORT_FUNCARG1("vector=%d", vector);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	774
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	775 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	776 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	777
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	778 HAL_DISABLE_INTERRUPTS(old_ints);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	779 HAL_INTERRUPT_MASK( vector );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	780 HAL_RESTORE_INTERRUPTS(old_ints);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	781
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	782 CYG_REPORT_RETURN();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	783 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	784
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	785 //--------------------------------------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	786 // Mask delivery of an interrupt at the interrupt controller.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	787 // (Not interrupt safe)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	788
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	789 externC void cyg_drv_interrupt_mask_intunsafe( cyg_vector_t vector )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	790 {
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	791 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	792 CYG_REPORT_FUNCARG1("vector=%d", vector);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	793
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	794 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	795 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	796
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	797 HAL_INTERRUPT_MASK( vector );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	798
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	799 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	800 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	801
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	802 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	803 // Unmask delivery of an interrupt at the interrupt controller.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	804 // (Interrupt safe)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	805
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	806 externC void cyg_drv_interrupt_unmask( cyg_vector_t vector )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	807 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	808 CYG_INTERRUPT_STATE old_ints;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	809
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	810 CYG_REPORT_FUNCTION();
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	811 CYG_REPORT_FUNCARG1("vector=%d", vector);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	812
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	813 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	814 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	815
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	816 HAL_DISABLE_INTERRUPTS(old_ints);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	817 HAL_INTERRUPT_UNMASK( vector );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	818 HAL_RESTORE_INTERRUPTS(old_ints);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	819
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	820 CYG_REPORT_RETURN();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	821 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	822
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	823 //--------------------------------------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	824 // Unmask delivery of an interrupt at the interrupt controller.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	825 // (Not interrupt safe)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	826
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	827 externC void cyg_drv_interrupt_unmask_intunsafe( cyg_vector_t vector )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	828 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	829 CYG_REPORT_FUNCTION();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	830 CYG_REPORT_FUNCARG1("vector=%d", vector);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	831
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	832 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	833 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	834
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	835 HAL_INTERRUPT_UNMASK( vector );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	836
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	837 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	838 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	839
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	840 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	841 // Acknowledge an interrupt at the controller to allow another interrupt
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	842 // to be delivered.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	843
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	844 externC void cyg_drv_interrupt_acknowledge( cyg_vector_t vector )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	845 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	846 // CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	847
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	848 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	849 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	850
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	851 HAL_INTERRUPT_ACKNOWLEDGE( vector );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	852
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	853 // CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	854 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	855
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	856 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	857 // Configure interrupt detection parameters.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	858
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	859 externC void cyg_drv_interrupt_configure(
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	860 cyg_vector_t vector,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	861 cyg_bool_t level,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	862 cyg_bool_t up
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	863 )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	864 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	865 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	866 CYG_REPORT_FUNCARG3("vector = %d, level = %d, up = %d", vector, level,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	867 up);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	868
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	869 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	870 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	871
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	872 HAL_INTERRUPT_CONFIGURE( vector, level, up );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	873
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	874 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	875 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	876
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	877 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	878 // Configure interrupt priority level.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	879
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	880 externC void cyg_drv_interrupt_level( cyg_vector_t vector, cyg_priority_t level )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	881 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	882 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	883 CYG_REPORT_FUNCARG2("vector = %d, level = %d", vector, level);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	884
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	885 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	886 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	887
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	888 HAL_INTERRUPT_SET_LEVEL( vector, level );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	889
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	890 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	891 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	892
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	893 // -------------------------------------------------------------------------
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	894 // CPU interrupt routing
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	895
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	896 externC void cyg_drv_interrupt_set_cpu( cyg_vector_t vector, cyg_cpu_t cpu )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	897 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	898 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	899 CYG_REPORT_FUNCARG2("vector = %d, cpu = %d", vector, cpu);
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	900
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	901 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	902 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	903
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	904 #ifdef CYGPKG_HAL_SMP_SUPPORT
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	905 HAL_INTERRUPT_SET_CPU( vector, cpu );
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	906 #endif
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	907
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	908 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	909 }
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	910
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	911 externC cyg_cpu_t cyg_drv_interrupt_get_cpu( cyg_vector_t vector )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	912 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	913 cyg_cpu_t cpu = 0;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	914
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	915 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	916 CYG_REPORT_FUNCARG1("vector = %d", vector);
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	917
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	918 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	919 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	920
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	921 #ifdef CYGPKG_HAL_SMP_SUPPORT
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	922 HAL_INTERRUPT_GET_CPU( vector, cpu );
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	923 #endif
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	924
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	925 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	926
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	927 return cpu;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	928 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	929
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	930 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	931 // Exception delivery function called from the HAL as a result of a
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	932 // hardware exception being raised.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	933
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	934 externC void cyg_hal_deliver_exception( CYG_WORD code, CYG_ADDRWORD data )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	935 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	936 CYG_FAIL(" !!! Exception !!! ");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	937 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	938
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	939
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	940 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	941
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	942 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	943 // EOF drv_api.c

Mercurial > ecos

annotate packages/hal/common/current/src/drv_api.c @ 3292:7f8e529b4d82 default tip