flash_v2: packages/hal/common/current/src/drv

annotate packages/hal/common/current/src/drv_api.c @ 1777:c16341b1bac6 default tip

* Added execute permissions to files missed in conversion from CVS

author	alexs
date	Mon, 12 Oct 2009 02:26:09 +0100
parents	10a36d0fd6f3
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 //==========================================================================
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	8 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	9 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	10 // This file is part of eCos, the Embedded Configurable Operating System.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	12 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	13 // eCos is free software; you can redistribute it and/or modify it under
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	14 // the terms of the GNU General Public License as published by the Free
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	15 // Software Foundation; either version 2 or (at your option) any later version.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	16 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	20 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	21 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	22 // You should have received a copy of the GNU General Public License along
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	23 // with eCos; if not, write to the Free Software Foundation, Inc.,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	25 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	26 // As a special exception, if other files instantiate templates or use macros
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	27 // or inline functions from this file, or you compile this file and link it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	28 // with other works to produce a work based on this file, this file does not
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	29 // by itself cause the resulting work to be covered by the GNU General Public
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	30 // License. However the source code for this file must still be made available
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	31 // in accordance with section (3) of the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	32 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	33 // This exception does not invalidate any other reasons why a work based on
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	34 // this file might be covered by the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	35 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	37 // at http://sources.redhat.com/ecos/ecos-license/
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	38 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	39 //####ECOSGPLCOPYRIGHTEND####
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	40 //==========================================================================
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	41 //#####DESCRIPTIONBEGIN####
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	42 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	43 // Author(s): Nick Garnett
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	44 // Date: 1999-02-24
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	45 // Purpose: Driver API for non-kernel configurations
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	46 // Description: These functions are used to support drivers when the kernel
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	47 // is not present.
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 //
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	51 //####DESCRIPTIONEND####
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	55 #include <pkgconf/system.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	56
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	57 #ifndef CYGPKG_KERNEL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	58
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	59 #include <cyg/infra/cyg_type.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	60 #include <cyg/infra/cyg_trac.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	61 #include <cyg/infra/cyg_ass.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	62
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	63 #include <pkgconf/hal.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	64 #include <cyg/hal/drv_api.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	65
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	66 #include <cyg/hal/hal_arch.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	67 #include <cyg/hal/hal_intr.h>
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	70 // Statics
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	71
149 52c99470ec11 Merge from eCos master repository on 2001-01-19-06:43:03-GMT jlarmour parents: 130 diff changeset	72 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	73
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	74 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	75
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 151 diff changeset	76 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	77 CYGBLD_ATTRIB_ASM_ALIAS( cyg_scheduler_sched_lock );
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	78
130 eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 115 diff changeset	79 static cyg_interrupt* volatile dsr_list; // List of pending DSRs
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	80
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	81 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	82
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	83 cyg_interrupt *chain_list[CYGNUM_HAL_ISR_COUNT];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	84
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	85 #endif
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	88 // DSR handling functions.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	89 // 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	90 // call_dsrs() calls the DSRs.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	91
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	92 static void post_dsr( cyg_interrupt *intr )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	93 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	94 CYG_INTERRUPT_STATE old_intr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	95
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	96 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	97
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	98 HAL_DISABLE_INTERRUPTS(old_intr);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	99
130 eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 115 diff changeset	100 if( intr->dsr_count++ == 0 )
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	101 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	102 intr->next_dsr = dsr_list;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	103 dsr_list = intr;
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	106 HAL_RESTORE_INTERRUPTS(old_intr);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	107
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	108 CYG_REPORT_RETURN();
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	111 static void call_dsrs(void)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	112 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	113 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	114
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	115 while( dsr_list != NULL )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	116 {
130 eb9fd8c04db3 Merge from eCos master repository on 2000-10-23-17:01:37-BST jlarmour parents: 115 diff changeset	117 cyg_interrupt *intr;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	118 cyg_int32 count;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	119 CYG_INTERRUPT_STATE old_intr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	120
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	121 HAL_DISABLE_INTERRUPTS(old_intr);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	122
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	123 intr = dsr_list;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	124 dsr_list = intr->next_dsr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	125 count = intr->dsr_count;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	126 intr->dsr_count = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	127
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	128 HAL_RESTORE_INTERRUPTS(old_intr);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	129
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	130 intr->dsr( intr->vector, count, (CYG_ADDRWORD)intr->data );
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	133 CYG_REPORT_RETURN();
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	137 //--------------------------------------------------------------------------
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	138 // 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	139
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	140 externC void
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	141 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	142 {
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	143 call_dsrs();
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	144 }
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	145
1158 10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	146 //--------------------------------------------------------------------------
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	147 // 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	148
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	149 externC void
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	150 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	151 {
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	152 cyg_interrupt * intr = (cyg_interrupt *)data;
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	153 post_dsr(intr);
10a36d0fd6f3 * src/drv_api.c: Added definition of cyg_interrupt_post_dsr() for nickg parents: 210 diff changeset	154 }
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	155
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	156 //--------------------------------------------------------------------------
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	157 // 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	158 // DSRs will be called if necessary.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	159
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	160 externC void
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	161 interrupt_end(
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	162 cyg_uint32 isr_ret,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	163 cyg_interrupt *intr,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	164 HAL_SavedRegisters *regs
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 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	167 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	168
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	169 #ifndef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	170
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	171 // Only do this if we are in a non-chained configuration.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	172 // If we are chained, then chain_isr will do the DSR
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	173 // posting.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	174
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	175 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	176
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	177 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	178
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	179 if( dsr_disable_counter == 0 ) call_dsrs();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	180
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	181 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	185 // ISR for handling chained interrupts.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	186
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	187 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	188
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	189 cyg_uint32 chain_isr(cyg_vector_t vector, CYG_ADDRWORD data)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	190 {
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	191 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	192 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	193 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	194
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	195 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	196
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	197 while( p != NULL )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	198 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	199 if( p->vector == vector )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	200 {
174 38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	201 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	202
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	203 isr_chain_ret \|= isr_ret;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	204
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	205 if( isr_ret & CYG_ISR_CALL_DSR ) post_dsr(p);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	206
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	207 if( isr_ret & CYG_ISR_HANDLED ) break;
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	210 p = p->next;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	211 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	212
174 38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	213 #ifdef HAL_DEFAULT_ISR
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	214 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	215 {
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	216 // 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	217 // 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	218 // 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	219 // 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	220
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	221 HAL_DEFAULT_ISR( vector, 0 );
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	222 }
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	223 #endif
38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	224
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	225 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	226
174 38892b97b685 Merge from eCos master repository on 2001-07-28-00:17:32-BST jlarmour parents: 161 diff changeset	227 return isr_ret & CYG_ISR_CALL_DSR;
2 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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	230 #endif
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	233 // 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	234 // times it has been called.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	235
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	236 externC void cyg_drv_isr_lock()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	237 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	238 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	239
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	240 if( isr_disable_counter == 0 )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	241 HAL_DISABLE_INTERRUPTS(isr_disable_state);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	242
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	243 CYG_ASSERT( isr_disable_counter >= 0 , "Disable counter negative");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	244
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	245 isr_disable_counter++;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	246
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	247 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	251 // 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	252 // goes zero.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	253
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	254 externC void cyg_drv_isr_unlock()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	255 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	256 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	257
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	258 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	259
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	260 isr_disable_counter--;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	261
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	262 if ( isr_disable_counter == 0 )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	263 {
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	264 HAL_RESTORE_INTERRUPTS(isr_disable_state);
2 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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	267 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	271 // Lock DSR lock. Simply increment the counter.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	272
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	273 externC void cyg_drv_dsr_lock()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	274 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	275 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	276
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	277 dsr_disable_counter++;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	278
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	279 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	283 // 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	284 // DSRs and then zero the counter.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	285
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	286 externC void cyg_drv_dsr_unlock()
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	287 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	288 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	289
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	290 do
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	291 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	292 if( dsr_disable_counter == 1 )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	293 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	294 call_dsrs();
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	297 HAL_REORDER_BARRIER();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	298
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	299 dsr_disable_counter = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	300
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	301 HAL_REORDER_BARRIER();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	302
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	303 // Check that no DSRs have been posted between calling
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	304 // call_dsrs() and zeroing dsr_disable_counter. If so,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	305 // loop back and call them.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	306
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	307 if( dsr_list != NULL )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	308 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	309 dsr_disable_counter = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	310 continue;
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	313 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	314
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	315 return;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	316
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	317 } while(1);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	318
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	319 CYG_FAIL( "Should not be executed" );
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	323 // Initialize a mutex.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	324
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	325 externC void cyg_drv_mutex_init( cyg_drv_mutex_t *mutex )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	326 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	327 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	328
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	329 mutex->lock = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	330
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	331 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	335 // Destroy a mutex.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	336
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	337 externC void cyg_drv_mutex_destroy( cyg_drv_mutex_t *mutex )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	338 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	339 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	340
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	341 mutex->lock = -1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	342
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	343 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	347 // 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	348 // destroyed mutex and if not, set it locked.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	349
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	350 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	351 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	352 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	353
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	354 CYG_ASSERT( mutex->lock == 0 , "Trying to lock locked mutex");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	355
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	356 mutex->lock = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	357
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	358 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	359
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	360 return true;
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	364 // Attempt to claim a mutex, and return if it cannot be.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	365
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	366 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	367 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	368 cyg_bool_t result = true;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	369
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	370 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	371
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	372 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	373
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	374 mutex->lock = 1;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	375
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	376 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	377
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	378 return result;
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	382 // 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	383 // this.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	384
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	385 externC void cyg_drv_mutex_unlock( cyg_drv_mutex_t *mutex )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	386 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	387 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	388
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	389 CYG_ASSERT( mutex->lock == 1 , "Trying to unlock unlocked mutex");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	390
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	391 mutex->lock = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	392
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	393 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	397 // Release all threads waiting for the mutex.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	398 // This is really for threads, so we do nothing here.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	399
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	400 externC void cyg_drv_mutex_release( cyg_drv_mutex_t *mutex )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	401 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	402 CYG_REPORT_FUNCTION();
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	406 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	411 // Initialized a condition variable.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	412
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	413 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	414 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	415 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	416
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	417 cond->wait = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	418 cond->mutex = mutex;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	419
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	420 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	425 // Destroy a condition variable.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	426
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	427 externC void cyg_drv_cond_destroy( cyg_drv_cond_t *cond )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	428 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	429 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	430
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	431 cond->wait = -1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	432 cond->mutex = NULL;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	433
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	434 CYG_REPORT_RETURN();
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 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	438 // 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	439 // 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	440 // 0. Note that the semantics of condition variables means that the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	441 // 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	442 // when the signal is sent.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	443
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	444 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	445 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	446 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	447
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	448 CYG_ASSERT( cond->mutex != NULL, "Uninitialized condition variable");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	449 CYG_ASSERT( cond->mutex->lock, "Mutex not locked");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	450
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	451 cyg_drv_dsr_lock();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	452
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	453 cond->wait = 1;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	454
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	455 while( cond->wait == 1 )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	456 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	457 // While looping we call call_dsrs() to service any DSRs that
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	458 // 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	459 // 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	460 // lock claimed, then a race condition could occur and keep us
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	461 // stuck here forever.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	462
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	463 call_dsrs();
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	466 cyg_drv_dsr_unlock();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	467
115 6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	468 CYG_REPORT_RETURN();
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	469
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST jlarmour parents: 66 diff changeset	470 return true;
2 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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	474 // 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	475 // 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	476 // thread.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	477
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	478 externC void cyg_drv_cond_signal( cyg_drv_cond_t *cond )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	479 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	480 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	481
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	482 cond->wait = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	483
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	484 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	489 // 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	490 // there can only be one waiter.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	491
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	492 externC void cyg_drv_cond_broadcast( cyg_drv_cond_t *cond )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	493 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	494 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	495
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	496 cond->wait = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	497
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	498 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	499 }
177 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 //--------------------------------------------------------------------------
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	502 // Spinlock support.
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	503 // 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	504 // 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	505
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	506 void cyg_drv_spinlock_init(
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	507 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	508 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	509 )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	510 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	511 CYG_REPORT_FUNCTION();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	512
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	513 lock->lock = locked;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	514
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	515 CYG_REPORT_RETURN();
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
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	518 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	519 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	520 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	521
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	522 lock->lock = -1;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	523
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	524 CYG_REPORT_RETURN();
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
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	527 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	528 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	529 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	530
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	531 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	532
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	533 lock->lock = 1;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	534
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	535 CYG_REPORT_RETURN();
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
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	538 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	539 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	540 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	541
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	542 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	543
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	544 lock->lock = 0;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	545
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	546 CYG_REPORT_RETURN();
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
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	549 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	550 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	551 cyg_bool_t result = true;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	552
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	553 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	554
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	555 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	556
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	557 lock->lock = 1;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	558
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	559 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	560
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	561 return result;
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
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	564 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	565 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	566 cyg_bool_t result = true;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	567
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	568 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	569
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	570 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	571
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	572 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	573
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	574 return result;
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
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	577 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	578 cyg_addrword_t *istate )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	579 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	580 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	581
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	582 HAL_DISABLE_INTERRUPTS( *istate );
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	583
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	584 lock->lock = 1;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	585
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	586 CYG_REPORT_RETURN();
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
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	590 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	591 cyg_addrword_t istate )
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	592 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	593 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	594
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	595 lock->lock = 0;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	596
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	597 HAL_RESTORE_INTERRUPTS( istate );
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	598
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	599 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	600 }
2 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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	603 // Create an interrupt object.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	604
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	605 externC void cyg_drv_interrupt_create(
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	606 cyg_vector_t vector,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	607 cyg_priority_t priority,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	608 cyg_addrword_t data,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	609 cyg_ISR_t *isr,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	610 cyg_DSR_t *dsr,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	611 cyg_handle_t *handle,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	612 cyg_interrupt *intr
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 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	615 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	616
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	617 intr->vector = vector;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	618 intr->priority = priority;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	619 intr->isr = isr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	620 intr->dsr = dsr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	621 intr->data = data;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	622 intr->next_dsr = NULL;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	623 intr->dsr_count = 0;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	624
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	625 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	626
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	627 intr->next = NULL;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	628
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	629 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	630
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	631 *handle = (cyg_handle_t)intr;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	632
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	633 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	637 // 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	638 // the vector.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	639
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	640 externC void cyg_drv_interrupt_delete( cyg_handle_t interrupt )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	641 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	642 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	643
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	644 cyg_drv_interrupt_detach( interrupt );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	645
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	646 CYG_REPORT_RETURN();
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	652 externC void cyg_drv_interrupt_attach( cyg_handle_t interrupt )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	653 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	654 cyg_interrupt intr = (cyg_interrupt )interrupt;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	655
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	656 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	657
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	658 CYG_ASSERT( intr->vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	659 CYG_ASSERT( intr->vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	660
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	661 HAL_INTERRUPT_SET_LEVEL( intr->vector, intr->priority );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	662
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	663 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	664
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	665 CYG_ASSERT( intr->next == NULL , "cyg_interrupt already on a list");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	666
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	667 {
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	668 cyg_uint32 index;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	669
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	670 HAL_TRANSLATE_VECTOR( intr->vector, index );
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	671
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	672 if( chain_list[index] == NULL )
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	673 {
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	674 // 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	675 // register the chain_isr with the HAL.
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	676
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	677 chain_list[index] = intr;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	678
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	679 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	680 &chain_list[index], NULL );
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	681 }
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	682 else
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	683 {
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	684 // 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	685 // the chain in priority order.
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	686
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	687 cyg_interrupt **p = &chain_list[index];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	688
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	689 while( *p != NULL )
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	690 {
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	691 cyg_interrupt n = p;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	692
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	693 if( n->priority < intr->priority ) break;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	694
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	695 p = &n->next;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	696 }
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	697 intr->next = *p;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	698 *p = intr;
2 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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	702 #else
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	703
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	704 HAL_INTERRUPT_ATTACH( intr->vector, intr->isr, intr->data, intr );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	705
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	706 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	707
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	708 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	713 // Detach an interrupt from its vector.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	714
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	715 externC void cyg_drv_interrupt_detach( cyg_handle_t interrupt )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	716 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	717 cyg_interrupt intr = (cyg_interrupt )interrupt;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	718
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	719 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	720
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	721 CYG_ASSERT( intr->vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	722 CYG_ASSERT( intr->vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	723
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	724 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	725
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	726 // Remove the interrupt object from the vector chain.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	727
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	728 {
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	729 cyg_uint32 index;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	730 cyg_interrupt **p;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	731
156 b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST jlarmour parents: 151 diff changeset	732 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	733
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	734 p = &chain_list[index];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	735
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	736 while( *p != NULL )
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	737 {
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	738 cyg_interrupt n = p;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	739
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	740 if( n == intr )
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	741 {
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	742 *p = intr->next;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	743 break;
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
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	746 p = &n->next;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	747 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	748
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	749 // If this was the last one, detach the vector.
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	750
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	751 if( chain_list[index] == NULL )
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 149 diff changeset	752 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	753 }
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	754
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	755 #else
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	756
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	757 HAL_INTERRUPT_DETACH( intr->vector, intr->isr );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	758
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	759 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	760
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	761 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	766 // 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	767 // (Interrupt safe)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	768
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	769 externC void cyg_drv_interrupt_mask( cyg_vector_t vector )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	770 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	771 CYG_INTERRUPT_STATE old_ints;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	772
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	773 CYG_REPORT_FUNCTION();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	774 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	775
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_MIN, "Invalid vector");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	777 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	778
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	779 HAL_DISABLE_INTERRUPTS(old_ints);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	780 HAL_INTERRUPT_MASK( vector );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	781 HAL_RESTORE_INTERRUPTS(old_ints);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	782
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	783 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	787 // 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	788 // (Not interrupt safe)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	789
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	790 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	791 {
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	792 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	793 CYG_REPORT_FUNCARG1("vector=%d", vector);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	794
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	795 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	796 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	797
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	798 HAL_INTERRUPT_MASK( vector );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	799
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	800 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	804 // 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	805 // (Interrupt safe)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	806
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	807 externC void cyg_drv_interrupt_unmask( cyg_vector_t vector )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	808 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	809 CYG_INTERRUPT_STATE old_ints;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	810
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	811 CYG_REPORT_FUNCTION();
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	812 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	813
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_MIN, "Invalid vector");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	815 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	816
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	817 HAL_DISABLE_INTERRUPTS(old_ints);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	818 HAL_INTERRUPT_UNMASK( vector );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	819 HAL_RESTORE_INTERRUPTS(old_ints);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	820
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	821 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	825 // 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	826 // (Not interrupt safe)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	827
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	828 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	829 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	830 CYG_REPORT_FUNCTION();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 177 diff changeset	831 CYG_REPORT_FUNCARG1("vector=%d", vector);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	832
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	833 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	834 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	835
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	836 HAL_INTERRUPT_UNMASK( vector );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	837
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	838 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	842 // Acknowledge an interrupt at the controller to allow another interrupt
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	843 // to be delivered.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	844
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	845 externC void cyg_drv_interrupt_acknowledge( cyg_vector_t vector )
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	846 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	847 // CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	848
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	849 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	850 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	851
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	852 HAL_INTERRUPT_ACKNOWLEDGE( vector );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	853
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	854 // CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	858 // Configure interrupt detection parameters.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	859
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	860 externC void cyg_drv_interrupt_configure(
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	861 cyg_vector_t vector,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	862 cyg_bool_t level,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	863 cyg_bool_t up
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 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	866 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	867 CYG_REPORT_FUNCARG3("vector = %d, level = %d, up = %d", vector, level,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	868 up);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	869
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	870 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	871 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	872
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	873 HAL_INTERRUPT_CONFIGURE( vector, level, up );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	874
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	875 CYG_REPORT_RETURN();
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	879 // Configure interrupt priority level.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	880
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	881 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	882 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	883 CYG_REPORT_FUNCTION();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	884 CYG_REPORT_FUNCARG2("vector = %d, level = %d", vector, level);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	885
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	886 CYG_ASSERT( vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	887 CYG_ASSERT( vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	888
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	889 HAL_INTERRUPT_SET_LEVEL( vector, level );
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	890
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	891 CYG_REPORT_RETURN();
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	892 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	893
177 4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	894 // -------------------------------------------------------------------------
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	895 // CPU interrupt routing
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	896
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	897 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	898 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	899 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	900 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	901
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_MIN, "Invalid vector");
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	903 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	904
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	905 #ifdef CYGPKG_HAL_SMP_SUPPORT
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	906 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	907 #endif
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	908
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	909 CYG_REPORT_RETURN();
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
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	912 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	913 {
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	914 cyg_cpu_t cpu = 0;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	915
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	916 CYG_REPORT_FUNCTION();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	917 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	918
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_MIN, "Invalid vector");
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	920 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	921
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	922 #ifdef CYGPKG_HAL_SMP_SUPPORT
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	923 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	924 #endif
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	925
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	926 CYG_REPORT_RETURN();
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	927
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	928 return cpu;
4c750ce71ae3 Merge from eCos master repository on 2001-08-10-19:22:57-BST jlarmour parents: 174 diff changeset	929 }
2 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 // -------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	932 // 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	933 // hardware exception being raised.
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	934
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	935 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	936 {
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	937 CYG_FAIL(" !!! Exception !!! ");
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
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	941 #endif
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 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: diff changeset	944 // EOF drv_api.c

Mercurial > flash_v2

annotate packages/hal/common/current/src/drv_api.c @ 1777:c16341b1bac6 default tip