ecos: packages/hal/mips/arch/current/include/hal

annotate packages/hal/mips/arch/current/include/hal_intr.h @ 8:ece80412419a ecos-sw-1999-05-21

Merge from eCos master repository on 1999-05-21-22:05:54-BST

author	jlarmour
date	Fri, 21 May 1999 15:09:30 +0000
parents	d376b777e2ce
children	d3fbcdfa1b2f

rev	line source
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	1 #ifndef CYGONCE_HAL_HAL_INTR_H
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	2 #define CYGONCE_HAL_HAL_INTR_H
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	3
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	4 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	5 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	6 // hal_intr.h
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	7 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	8 // HAL Interrupt and clock support
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	9 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	10 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	11 //####COPYRIGHTBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	12 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	13 // -------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	14 // The contents of this file are subject to the Cygnus eCos Public License
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	15 // Version 1.0 (the "License"); you may not use this file except in
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	16 // compliance with the License. You may obtain a copy of the License at
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	17 // http://sourceware.cygnus.com/ecos
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	18 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	19 // Software distributed under the License is distributed on an "AS IS"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	21 // License for the specific language governing rights and limitations under
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	22 // the License.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	23 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	24 // The Original Code is eCos - Embedded Cygnus Operating System, released
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	25 // September 30, 1998.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	26 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	27 // The Initial Developer of the Original Code is Cygnus. Portions created
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	28 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	29 // -------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	30 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	31 //####COPYRIGHTEND####
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	32 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	33 //#####DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	34 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	35 // Author(s): nickg
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	36 // Contributors: nickg, jskov,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	37 // gthomas, jlarmour
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	38 // Date: 1999-02-16
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	39 // Purpose: Define Interrupt support
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	40 // Description: The macros defined here provide the HAL APIs for handling
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	41 // interrupts and the clock.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	42 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	43 // Usage:
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	44 // #include <cyg/hal/hal_intr.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	45 // ...
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	46 //
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	47 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	48 //####DESCRIPTIONEND####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	49 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	50 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	51
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	52 #include <pkgconf/hal.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	53
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	54 #include <cyg/infra/cyg_type.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	55 #include <cyg/hal/hal_io.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	56
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	57 #include <cyg/hal/var_intr.h>
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	58
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	59 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	60 // MIPS vectors.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	61
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	62 // These are the exception codes presented in the Cause register and
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	63 // correspond to VSRs. These values are the ones to use for HAL_VSR_GET/SET
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	64
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	65 // External interrupt
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	66 #define CYGNUM_HAL_VECTOR_INTERRUPT 0
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	67 // TLB modification exception
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	68 #define CYGNUM_HAL_VECTOR_TLB_MOD 1
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	69 // TLB miss (Load or IFetch)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	70 #define CYGNUM_HAL_VECTOR_TLB_LOAD_REFILL 2
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	71 // TLB miss (Store)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	72 #define CYGNUM_HAL_VECTOR_TLB_STORE_REFILL 3
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	73 // Address error (Load or Ifetch)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	74 #define CYGNUM_HAL_VECTOR_LOAD_ADDRESS 4
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	75 // Address error (store)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	76 #define CYGNUM_HAL_VECTOR_STORE_ADDRESS 5
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	77 // Bus error (Ifetch)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	78 #define CYGNUM_HAL_VECTOR_IBE 6
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	79 // Bus error (data load or store)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	80 #define CYGNUM_HAL_VECTOR_DBE 7
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	81 // System call
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	82 #define CYGNUM_HAL_VECTOR_SYSTEM_CALL 8
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	83 // Break point
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	84 #define CYGNUM_HAL_VECTOR_BREAKPOINT 9
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	85 // Reserved instruction
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	86 #define CYGNUM_HAL_VECTOR_RESERVED_INSTRUCTION 10
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	87 // Coprocessor unusable
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	88 #define CYGNUM_HAL_VECTOR_COPROCESSOR 11
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	89 // Arithmetic overflow
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	90 #define CYGNUM_HAL_VECTOR_OVERFLOW 12
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	91 // Reserved
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	92 #define CYGNUM_HAL_VECTOR_RESERVED_13 13
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	93 // Floating point exception
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	94 #ifdef CYGHWR_HAL_MIPS_FPU
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	95 #define CYGNUM_HAL_VECTOR_FPE 15
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	96 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	97
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	98 #define CYGNUM_HAL_VSR_MIN 0
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	99 #define CYGNUM_HAL_VSR_MAX 15
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	100 #define CYGNUM_HAL_VSR_COUNT 16
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	101
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	102 // Exception vectors. These are the values used when passed out to an
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	103 // external exception handler using cyg_hal_deliver_exception()
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	104
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	105 #define CYGNUM_HAL_EXCEPTION_DATA_TLBERROR_ACCESS CYGNUM_HAL_VECTOR_TLB_MOD
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	106 #define CYGNUM_HAL_EXCEPTION_DATA_TLBMISS_ACCESS \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	107 CYGNUM_HAL_VECTOR_TLB_LOAD_REFILL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	108 #define CYGNUM_HAL_EXCEPTION_DATA_TLBMISS_WRITE \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	109 CYGNUM_HAL_VECTOR_TLB_STORE_REFILL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	110 #define CYGNUM_HAL_EXCEPTION_DATA_UNALIGNED_ACCESS \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	111 CYGNUM_HAL_VECTOR_LOAD_ADDRESS
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	112 #define CYGNUM_HAL_EXCEPTION_DATA_UNALIGNED_WRITE \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	113 CYGNUM_HAL_VECTOR_STORE_ADDRESS
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	114 #define CYGNUM_HAL_EXCEPTION_CODE_ACCESS CYGNUM_HAL_VECTOR_IBE
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	115 #define CYGNUM_HAL_EXCEPTION_DATA_ACCESS CYGNUM_HAL_VECTOR_DBE
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	116 #define CYGNUM_HAL_EXCEPTION_SYSTEM_CALL CYGNUM_HAL_VECTOR_SYSTEM_CALL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	117 #define CYGNUM_HAL_EXCEPTION_INSTRUCTION_BP CYGNUM_HAL_VECTOR_BREAKPOINT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	118 #define CYGNUM_HAL_EXCEPTION_ILLEGAL_INSTRUCTION \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	119 CYGNUM_HAL_VECTOR_RESERVED_INSTRUCTION
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	120 #define CYGNUM_HAL_EXCEPTION_COPROCESSOR CYGNUM_HAL_VECTOR_COPROCESSOR
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	121 #define CYGNUM_HAL_EXCEPTION_OVERFLOW CYGNUM_HAL_VECTOR_OVERFLOW
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	122
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	123 // Min/Max exception numbers and how many there are
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	124 #define CYGNUM_HAL_EXCEPTION_MIN 1
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	125 #define CYGNUM_HAL_EXCEPTION_MAX 13
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	126 #define CYGNUM_HAL_EXCEPTION_COUNT 13
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	127
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	128
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	129 #ifndef CYGHWR_HAL_INTERRUPT_VECTORS_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	130
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	131 // the default for all MIPS variants is to use the 6 bits
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	132 // in the cause register.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	133
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	134 #define CYGNUM_HAL_INTERRUPT_0 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	135 #define CYGNUM_HAL_INTERRUPT_1 1
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	136 #define CYGNUM_HAL_INTERRUPT_2 2
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	137 #define CYGNUM_HAL_INTERRUPT_3 3
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	138 #define CYGNUM_HAL_INTERRUPT_4 4
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	139 #define CYGNUM_HAL_INTERRUPT_5 5
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	140
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	141 // Min/Max ISR numbers and how many there are
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	142 #define CYGNUM_HAL_ISR_MIN 0
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	143 #define CYGNUM_HAL_ISR_MAX 5
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	144 #define CYGNUM_HAL_ISR_COUNT 6
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	145
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	146 // The vector used by the Real time clock. The default here is to use
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	147 // interrupt 5, which is connected to the counter/comparator registers
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	148 // in many MIPS variants.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	149
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	150 #ifndef CYGNUM_HAL_INTERRUPT_RTC
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	151 #define CYGNUM_HAL_INTERRUPT_RTC CYGNUM_HAL_INTERRUPT_5
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	152 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	153
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	154 #define CYGHWR_HAL_INTERRUPT_VECTORS_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	155
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	156 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	157
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	158 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	159 // Static data used by HAL
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	160
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	161 // ISR tables
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	162 externC volatile CYG_ADDRESS hal_interrupt_handlers[CYGNUM_HAL_ISR_COUNT];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	163 externC volatile CYG_ADDRWORD hal_interrupt_data[CYGNUM_HAL_ISR_COUNT];
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	164 externC volatile CYG_ADDRESS hal_interrupt_objects[CYGNUM_HAL_ISR_COUNT];
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	165
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	166 // VSR table
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	167 externC volatile CYG_ADDRESS hal_vsr_table[CYGNUM_HAL_VSR_MAX+1];
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	168
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	169 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	170 // Default ISR
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	171
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	172 externC cyg_uint32 hal_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	173
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	174 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	175 // Interrupt state storage
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	176
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	177 typedef cyg_uint32 CYG_INTERRUPT_STATE;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	178
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	179 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	180 // Interrupt control macros
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	181 // Beware of nops in this code. They fill delay slots and avoid CP0 hazards
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	182 // that might otherwise cause following code to run in the wrong state or
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	183 // cause a resource conflict.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	184
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	185 #define HAL_DISABLE_INTERRUPTS(_old_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	186 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	187 asm volatile ( \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	188 "mfc0 $8,$12; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	189 "move %0,$8;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	190 "and $8,$8,0XFFFFFFFE;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	191 "mtc0 $8,$12;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	192 "nop; nop; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	193 "and %0,%0,0X1;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	194 : "=r"(_old_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	195 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	196 : "$8" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	197 ); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	198 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	199
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	200 #define HAL_ENABLE_INTERRUPTS() \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	201 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	202 asm volatile ( \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	203 "mfc0 $8,$12; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	204 "or $8,$8,1;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	205 "mtc0 $8,$12;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	206 "nop; nop; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	207 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	208 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	209 : "$8" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	210 ); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	211 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	212
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	213 #define HAL_RESTORE_INTERRUPTS(_old_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	214 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	215 asm volatile ( \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	216 "mfc0 $8,$12; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	217 "and %0,%0,0x1;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	218 "or $8,$8,%0;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	219 "mtc0 $8,$12;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	220 "nop; nop; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	221 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	222 : "r"(_old_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	223 : "$8" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	224 ); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	225 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	226
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	227 #define HAL_QUERY_INTERRUPTS( _state_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	228 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	229 asm volatile ( \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	230 "mfc0 %0,$12; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	231 "and %0,%0,0x1;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	232 : "=r"(_state_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	233 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	234 : "$8" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	235 ); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	236 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	237
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	238 //--------------------------------------------------------------------------
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	239 // Routine to execute DSRs using separate interrupt stack
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	240
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	241 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	242 externC void hal_interrupt_stack_call_pending_DSRs(void);
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	243 #define HAL_INTERRUPT_STACK_CALL_PENDING_DSRS() \
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	244 hal_interrupt_stack_call_pending_DSRs()
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	245
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	246 // these are offered solely for stack usage testing
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	247 // if they are not defined, then there is no interrupt stack.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	248 #define HAL_INTERRUPT_STACK_BASE cyg_interrupt_stack_base
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	249 #define HAL_INTERRUPT_STACK_TOP cyg_interrupt_stack
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	250 // use them to declare these extern however you want:
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	251 // extern char HAL_INTERRUPT_STACK_BASE[];
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	252 // extern char HAL_INTERRUPT_STACK_TOP[];
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	253 // is recommended
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	254 #endif
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	255
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	256 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	257 // Vector translation.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	258 // For chained interrupts we only have a single vector though which all
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	259 // are passed. For unchained interrupts we have a vector per interrupt.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	260
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	261 #ifndef HAL_TRANSLATE_VECTOR
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	262
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	263 #if defined(CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	264
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	265 #define HAL_TRANSLATE_VECTOR(_vector_,_index_) (_index_) = 0
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	266
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	267 #else
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	268
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	269 #define HAL_TRANSLATE_VECTOR(_vector_,_index_) (_index_) = (_vector_)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	270
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	271 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	272
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	273 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	274
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	275 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	276 // Interrupt and VSR attachment macros
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	277
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	278 #define HAL_INTERRUPT_IN_USE( _vector_, _state_) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	279 CYG_MACRO_START \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	280 cyg_uint32 _index_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	281 HAL_TRANSLATE_VECTOR ((_vector_), _index_); \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	282 \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	283 if( hal_interrupt_handlers[_index_] == (CYG_ADDRESS)hal_default_isr ) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	284 (_state_) = 0; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	285 else \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	286 (_state_) = 1; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	287 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	288
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	289 #define HAL_INTERRUPT_ATTACH( _vector_, _isr_, _data_, _object_ ) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	290 { \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	291 cyg_uint32 _index_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	292 HAL_TRANSLATE_VECTOR( _vector_, _index_ ); \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	293 \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	294 if( hal_interrupt_handlers[_index_] == (CYG_ADDRESS)hal_default_isr ) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	295 { \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	296 hal_interrupt_handlers[_index_] = (CYG_ADDRESS)_isr_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	297 hal_interrupt_data[_index_] = (CYG_ADDRWORD)_data_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	298 hal_interrupt_objects[_index_] = (CYG_ADDRESS)_object_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	299 } \
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	300 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	301
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	302 #define HAL_INTERRUPT_DETACH( _vector_, _isr_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	303 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	304 cyg_uint32 _index_; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	305 HAL_TRANSLATE_VECTOR( _vector_, _index_ ); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	306 \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	307 if( hal_interrupt_handlers[_index_] == (CYG_ADDRESS)_isr_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	308 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	309 hal_interrupt_handlers[_index_] = (CYG_ADDRESS)hal_default_isr; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	310 hal_interrupt_data[_index_] = 0; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	311 hal_interrupt_objects[_index_] = 0; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	312 } \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	313 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	314
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	315 #define HAL_VSR_GET( _vector_, _pvsr_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	316 (_pvsr_) = (void ()())hal_vsr_table[_vector_];
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	317
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	318
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	319 #define HAL_VSR_SET( _vector_, _vsr_, _poldvsr_ ) CYG_MACRO_START \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	320 if( _poldvsr_ != NULL) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	321 (CYG_ADDRESS )_poldvsr_ = (CYG_ADDRESS)hal_vsr_table[_vector_]; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	322 hal_vsr_table[_vector_] = (CYG_ADDRESS)_vsr_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	323 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	324
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	325 // This is an ugly name, but what it means is: grab the VSR back to eCos
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	326 // internal handling, or if you like, the default handler. But if
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	327 // cooperating with GDB and CygMon, the default behaviour is to pass most
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	328 // exceptions to CygMon. This macro undoes that so that eCos handles the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	329 // exception. So use it with care.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	330
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	331 externC void __default_exception_vsr(void);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	332 externC void __default_interrupt_vsr(void);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	333
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	334 #define HAL_VSR_SET_TO_ECOS_HANDLER( _vector_, _poldvsr_ ) CYG_MACRO_START \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	335 HAL_VSR_SET( _vector_, _vector_ == CYGNUM_HAL_VECTOR_INTERRUPT \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	336 ? (CYG_ADDRESS)__default_interrupt_vsr \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	337 : (CYG_ADDRESS)__default_exception_vsr, \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	338 _poldvsr_ ); \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	339 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	340
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	341 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	342 // Interrupt controller access
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	343 // The default code here simply uses the fields present in the CP0 status
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	344 // and cause registers to implement this functionality.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	345 // Beware of nops in this code. They fill delay slots and avoid CP0 hazards
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	346 // that might otherwise cause following code to run in the wrong state or
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	347 // cause a resource conflict.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	348
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	349 #ifndef CYGHWR_HAL_INTERRUPT_CONTROLLER_ACCESS_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	350
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	351 #define HAL_INTERRUPT_MASK( _vector_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	352 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	353 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	354 "mfc0 $3,$12\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	355 "la $2,0x00000400\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	356 "sllv $2,$2,%0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	357 "nor $2,$2,$0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	358 "and $3,$3,$2\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	359 "mtc0 $3,$12\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	360 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	361 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	362 : "r"(_vector_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	363 : "$2", "$3" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	364 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	365 CYG_MACRO_END
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	366
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	367 #define HAL_INTERRUPT_UNMASK( _vector_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	368 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	369 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	370 "mfc0 $3,$12\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	371 "la $2,0x00000400\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	372 "sllv $2,$2,%0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	373 "or $3,$3,$2\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	374 "mtc0 $3,$12\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	375 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	376 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	377 : "r"(_vector_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	378 : "$2", "$3" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	379 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	380 CYG_MACRO_END
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	381
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	382 #define HAL_INTERRUPT_ACKNOWLEDGE( _vector_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	383 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	384 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	385 "mfc0 $3,$13\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	386 "la $2,0x00000400\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	387 "sllv $2,$2,%0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	388 "nor $2,$2,$0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	389 "and $3,$3,$2\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	390 "mtc0 $3,$13\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	391 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	392 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	393 : "r"(_vector_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	394 : "$2", "$3" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	395 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	396 CYG_MACRO_END
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	397
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	398 #define HAL_INTERRUPT_CONFIGURE( _vector_, _level_, _up_ )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	399
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	400 #define HAL_INTERRUPT_SET_LEVEL( _vector_, _level_ )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	401
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	402 #define CYGHWR_HAL_INTERRUPT_CONTROLLER_ACCESS_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	403
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	404 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	405
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	406 //--------------------------------------------------------------------------
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	407 // Clock control.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	408 // This code uses the count and compare registers that are present in many
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	409 // MIPS variants.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	410 // Beware of nops in this code. They fill delay slots and avoid CP0 hazards
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	411 // that might otherwise cause following code to run in the wrong state or
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	412 // cause a resource conflict.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	413
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	414 #ifndef CYGHWR_HAL_CLOCK_CONTROL_DEFINED
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	415
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	416 #define HAL_CLOCK_INITIALIZE( _period_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	417 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	418 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	419 "mtc0 $0,$9\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	420 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	421 "mtc0 %0,$11\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	422 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	423 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	424 : "r"(_period_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	425 ); \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	426 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	427
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	428 #define HAL_CLOCK_RESET( _vector_, _period_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	429 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	430 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	431 "mtc0 $0,$9\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	432 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	433 "mtc0 %0,$11\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	434 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	435 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	436 : "r"(_period_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	437 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	438 CYG_MACRO_END
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	439
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	440 #define HAL_CLOCK_READ( _pvalue_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	441 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	442 register CYG_WORD32 result; \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	443 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	444 "mfc0 %0,$9\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	445 : "=r"(result) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	446 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	447 *(_pvalue_) = result; \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	448 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	449
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	450 #define CYGHWR_HAL_CLOCK_CONTROL_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	451
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	452 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	453
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	454 #if defined(CYGVAR_KERNEL_COUNTERS_CLOCK_LATENCY) && \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	455 !defined(HAL_CLOCK_LATENCY)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	456 #define HAL_CLOCK_LATENCY( _pvalue_ ) HAL_CLOCK_READ(_pvalue_)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	457 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	458
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	459 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	460 #endif // ifndef CYGONCE_HAL_HAL_INTR_H
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	461 // End of hal_intr.h

Mercurial > ecos

annotate packages/hal/mips/arch/current/include/hal_intr.h @ 8:ece80412419a ecos-sw-1999-05-21