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

annotate packages/hal/mips/arch/current/include/hal_intr.h @ 92:08ffab08d2ee ecos-sw-2000-05-26

Merge from eCos master repository on 2000-05-26-07:47:03-BST

author	jlarmour
date	Fri, 26 May 2000 13:46:34 +0000
parents	70190fa0fe10
children	02ea4320376c

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####
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	12 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	13 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	14 // The contents of this file are subject to the Red Hat eCos Public License
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	15 // Version 1.1 (the "License"); you may not use this file except in
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	16 // compliance with the License. You may obtain a copy of the License at
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	17 // http://www.redhat.com/
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	18 //
66 bf00f99aec69 Merge from eCos master repository on 2000-02-02-19:16:44-GMT jlarmour parents: 64 diff changeset	19 // Software distributed under the License is distributed on an "AS IS"
64 c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	21 // License for the specific language governing rights and limitations under
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	22 // the License.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	23 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	24 // The Original Code is eCos - Embedded Configurable Operating System,
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	25 // released September 30, 1998.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	26 //
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	27 // The Initial Developer of the Original Code is Red Hat.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	28 // Portions created by Red Hat are
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	29 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	30 // All Rights Reserved.
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	31 // -------------------------------------------
c38311975d4f Merge from eCos master repository on 2000-01-28-04:28:11-GMT jlarmour parents: 60 diff changeset	32 //
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	33 //####COPYRIGHTEND####
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	34 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	35 //#####DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	36 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	37 // Author(s): nickg
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	38 // Contributors: nickg, jskov,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	39 // gthomas, jlarmour
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	40 // Date: 1999-02-16
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	41 // Purpose: Define Interrupt support
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	42 // 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	43 // interrupts and the clock.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	44 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	45 // Usage:
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	46 // #include <cyg/hal/hal_intr.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	47 // ...
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	48 //
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	49 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	50 //####DESCRIPTIONEND####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	51 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	52 //==========================================================================
0 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 <pkgconf/hal.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	55
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	56 #include <cyg/infra/cyg_type.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	57 #include <cyg/hal/hal_io.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	58
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	59 #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	60
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	61 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	62 // MIPS vectors.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	63
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	64 // 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	65 // 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	66
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	67 // External interrupt
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	68 #define CYGNUM_HAL_VECTOR_INTERRUPT 0
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	69 // TLB modification exception
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	70 #define CYGNUM_HAL_VECTOR_TLB_MOD 1
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	71 // TLB miss (Load or IFetch)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	72 #define CYGNUM_HAL_VECTOR_TLB_LOAD_REFILL 2
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	73 // TLB miss (Store)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	74 #define CYGNUM_HAL_VECTOR_TLB_STORE_REFILL 3
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	75 // Address error (Load or Ifetch)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	76 #define CYGNUM_HAL_VECTOR_LOAD_ADDRESS 4
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	77 // Address error (store)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	78 #define CYGNUM_HAL_VECTOR_STORE_ADDRESS 5
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	79 // Bus error (Ifetch)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	80 #define CYGNUM_HAL_VECTOR_IBE 6
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	81 // Bus error (data load or store)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	82 #define CYGNUM_HAL_VECTOR_DBE 7
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	83 // System call
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	84 #define CYGNUM_HAL_VECTOR_SYSTEM_CALL 8
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	85 // Break point
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	86 #define CYGNUM_HAL_VECTOR_BREAKPOINT 9
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	87 // Reserved instruction
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	88 #define CYGNUM_HAL_VECTOR_RESERVED_INSTRUCTION 10
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	89 // Coprocessor unusable
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	90 #define CYGNUM_HAL_VECTOR_COPROCESSOR 11
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	91 // Arithmetic overflow
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	92 #define CYGNUM_HAL_VECTOR_OVERFLOW 12
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	93 // Reserved
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	94 #define CYGNUM_HAL_VECTOR_RESERVED_13 13
90 70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	95 // Division-by-zero [reserved vector]
70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	96 // This is caused by 'trap 0x7' which GCC puts in the code to check
70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	97 // for division by zero. The break_vsr_springboard in vectors.S is the
70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	98 // only caller of this vector.
70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	99 #define CYGNUM_HAL_VECTOR_DIV_BY_ZERO 14
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	100 // Floating point exception
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	101 #ifdef CYGHWR_HAL_MIPS_FPU
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	102 #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	103 #endif
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_VSR_MIN 0
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	106 #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	107 #define CYGNUM_HAL_VSR_COUNT 16
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	108
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	109 // 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	110 // external exception handler using cyg_hal_deliver_exception()
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	111
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	112 #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	113 #define CYGNUM_HAL_EXCEPTION_DATA_TLBMISS_ACCESS \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	114 CYGNUM_HAL_VECTOR_TLB_LOAD_REFILL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	115 #define CYGNUM_HAL_EXCEPTION_DATA_TLBMISS_WRITE \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	116 CYGNUM_HAL_VECTOR_TLB_STORE_REFILL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	117 #define CYGNUM_HAL_EXCEPTION_DATA_UNALIGNED_ACCESS \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	118 CYGNUM_HAL_VECTOR_LOAD_ADDRESS
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	119 #define CYGNUM_HAL_EXCEPTION_DATA_UNALIGNED_WRITE \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	120 CYGNUM_HAL_VECTOR_STORE_ADDRESS
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	121 #define CYGNUM_HAL_EXCEPTION_CODE_ACCESS CYGNUM_HAL_VECTOR_IBE
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	122 #define CYGNUM_HAL_EXCEPTION_DATA_ACCESS CYGNUM_HAL_VECTOR_DBE
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	123 #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	124 #define CYGNUM_HAL_EXCEPTION_INSTRUCTION_BP CYGNUM_HAL_VECTOR_BREAKPOINT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	125 #define CYGNUM_HAL_EXCEPTION_ILLEGAL_INSTRUCTION \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	126 CYGNUM_HAL_VECTOR_RESERVED_INSTRUCTION
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	127 #define CYGNUM_HAL_EXCEPTION_COPROCESSOR CYGNUM_HAL_VECTOR_COPROCESSOR
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	128 #define CYGNUM_HAL_EXCEPTION_OVERFLOW CYGNUM_HAL_VECTOR_OVERFLOW
90 70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	129 #define CYGNUM_HAL_EXCEPTION_DIV_BY_ZERO CYGNUM_HAL_VECTOR_DIV_BY_ZERO
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	130
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	131 // Min/Max exception numbers and how many there are
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	132 #define CYGNUM_HAL_EXCEPTION_MIN 1
60 3836136e7743 Merge from eCos master repository on 1999-12-17-19:44:58-GMT jlarmour parents: 18 diff changeset	133 #define CYGNUM_HAL_EXCEPTION_MAX CYGNUM_HAL_VSR_MAX
3836136e7743 Merge from eCos master repository on 1999-12-17-19:44:58-GMT jlarmour parents: 18 diff changeset	134 #define CYGNUM_HAL_EXCEPTION_COUNT CYGNUM_HAL_VSR_MAX
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	135
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	136
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	137 #ifndef CYGHWR_HAL_INTERRUPT_VECTORS_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	138
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	139 // 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	140 // in the cause register.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	141
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	142 #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	143 #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	144 #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	145 #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	146 #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	147 #define CYGNUM_HAL_INTERRUPT_5 5
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	148
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	149 // Min/Max ISR numbers and how many there are
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	150 #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	151 #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	152 #define CYGNUM_HAL_ISR_COUNT 6
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	153
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	154 // 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	155 // 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	156 // in many MIPS variants.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	157
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	158 #ifndef CYGNUM_HAL_INTERRUPT_RTC
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	159 #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	160 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	161
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	162 #define CYGHWR_HAL_INTERRUPT_VECTORS_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	163
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	164 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	165
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	166 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	167 // Static data used by HAL
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	168
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	169 // ISR tables
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	170 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	171 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	172 externC volatile CYG_ADDRESS hal_interrupt_objects[CYGNUM_HAL_ISR_COUNT];
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	173
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	174 // VSR table
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	175 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	176
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	177 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	178 // Default ISR
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	179 // The #define is used to test whether this routine exists, and to allow
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	180 // us to call it.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	181
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	182 externC cyg_uint32 hal_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	183
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	184 #define HAL_DEFAULT_ISR hal_default_isr
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	185
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	186 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	187 // Interrupt state storage
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	188
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	189 typedef cyg_uint32 CYG_INTERRUPT_STATE;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	190
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	191 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	192 // Interrupt control macros
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	193 // 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	194 // 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	195 // cause a resource conflict.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	196
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	197 #define HAL_DISABLE_INTERRUPTS(_old_) \
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 asm volatile ( \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	200 "mfc0 $8,$12; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	201 "move %0,$8;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	202 "and $8,$8,0XFFFFFFFE;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	203 "mtc0 $8,$12;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	204 "nop; nop; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	205 "and %0,%0,0X1;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	206 : "=r"(_old_) \
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 : "$8" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	209 ); \
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 #define HAL_ENABLE_INTERRUPTS() \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	213 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	214 asm volatile ( \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	215 "mfc0 $8,$12; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	216 "or $8,$8,1;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	217 "mtc0 $8,$12;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	218 "nop; nop; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	219 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	220 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	221 : "$8" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	222 ); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	223 }
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 #define HAL_RESTORE_INTERRUPTS(_old_) \
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 asm volatile ( \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	228 "mfc0 $8,$12; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	229 "and %0,%0,0x1;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	230 "or $8,$8,%0;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	231 "mtc0 $8,$12;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	232 "nop; nop; nop;" \
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 : "r"(_old_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	235 : "$8" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	236 ); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	237 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	238
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	239 #define HAL_QUERY_INTERRUPTS( _state_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	240 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	241 asm volatile ( \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	242 "mfc0 %0,$12; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	243 "and %0,%0,0x1;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	244 : "=r"(_state_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	245 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	246 : "$8" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	247 ); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	248 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	249
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	250 //--------------------------------------------------------------------------
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	251 // 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	252
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	253 #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	254 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	255 #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	256 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	257
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	258 // 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	259 // 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	260 #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	261 #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	262 // 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	263 // 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	264 // 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	265 // is recommended
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	266 #endif
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	267
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	268 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	269 // Vector translation.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	270 // For chained interrupts we only have a single vector though which all
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	271 // are passed. For unchained interrupts we have a vector per interrupt.
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 #ifndef HAL_TRANSLATE_VECTOR
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	274
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	275 #if defined(CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	276
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	277 #define HAL_TRANSLATE_VECTOR(_vector_,_index_) (_index_) = 0
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	278
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	279 #else
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	280
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	281 #define HAL_TRANSLATE_VECTOR(_vector_,_index_) (_index_) = (_vector_)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	282
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	283 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	284
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	285 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	286
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	287 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	288 // Interrupt and VSR attachment macros
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	289
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	290 #define HAL_INTERRUPT_IN_USE( _vector_, _state_) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	291 CYG_MACRO_START \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	292 cyg_uint32 _index_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	293 HAL_TRANSLATE_VECTOR ((_vector_), _index_); \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	294 \
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	295 if( hal_interrupt_handlers[_index_] == (CYG_ADDRESS)HAL_DEFAULT_ISR ) \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	296 (_state_) = 0; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	297 else \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	298 (_state_) = 1; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	299 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	300
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	301 #define HAL_INTERRUPT_ATTACH( _vector_, _isr_, _data_, _object_ ) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	302 { \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	303 cyg_uint32 _index_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	304 HAL_TRANSLATE_VECTOR( _vector_, _index_ ); \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	305 \
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	306 if( hal_interrupt_handlers[_index_] == (CYG_ADDRESS)HAL_DEFAULT_ISR ) \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	307 { \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	308 hal_interrupt_handlers[_index_] = (CYG_ADDRESS)_isr_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	309 hal_interrupt_data[_index_] = (CYG_ADDRWORD)_data_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	310 hal_interrupt_objects[_index_] = (CYG_ADDRESS)_object_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	311 } \
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 #define HAL_INTERRUPT_DETACH( _vector_, _isr_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	315 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	316 cyg_uint32 _index_; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	317 HAL_TRANSLATE_VECTOR( _vector_, _index_ ); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	318 \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	319 if( hal_interrupt_handlers[_index_] == (CYG_ADDRESS)_isr_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	320 { \
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	321 hal_interrupt_handlers[_index_] = (CYG_ADDRESS)HAL_DEFAULT_ISR; \
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	322 hal_interrupt_data[_index_] = 0; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	323 hal_interrupt_objects[_index_] = 0; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	324 } \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	325 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	326
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	327 #define HAL_VSR_GET( _vector_, _pvsr_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	328 (_pvsr_) = (void ()())hal_vsr_table[_vector_];
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	329
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 #define HAL_VSR_SET( _vector_, _vsr_, _poldvsr_ ) CYG_MACRO_START \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	332 if( _poldvsr_ != NULL) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	333 (CYG_ADDRESS )_poldvsr_ = (CYG_ADDRESS)hal_vsr_table[_vector_]; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	334 hal_vsr_table[_vector_] = (CYG_ADDRESS)_vsr_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	335 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	336
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	337 // 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	338 // 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	339 // 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	340 // 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	341 // exception. So use it with care.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	342
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	343 externC void __default_exception_vsr(void);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	344 externC void __default_interrupt_vsr(void);
90 70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	345 externC void __break_vsr_springboard(void);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	346
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	347 #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	348 HAL_VSR_SET( _vector_, _vector_ == CYGNUM_HAL_VECTOR_INTERRUPT \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	349 ? (CYG_ADDRESS)__default_interrupt_vsr \
90 70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	350 : _vector_ == CYGNUM_HAL_VECTOR_BREAKPOINT \
70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	351 ? (CYG_ADDRESS)__break_vsr_springboard \
70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	352 : (CYG_ADDRESS)__default_exception_vsr, \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	353 _poldvsr_ ); \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	354 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	355
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	356 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	357 // Interrupt controller access
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	358 // 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	359 // 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	360 // 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	361 // 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	362 // cause a resource conflict.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	363
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	364 #ifndef CYGHWR_HAL_INTERRUPT_CONTROLLER_ACCESS_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	365
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	366 #define HAL_INTERRUPT_MASK( _vector_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	367 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	368 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	369 "mfc0 $3,$12\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	370 "la $2,0x00000400\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	371 "sllv $2,$2,%0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	372 "nor $2,$2,$0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	373 "and $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_UNMASK( _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,$12\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 "or $3,$3,$2\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	389 "mtc0 $3,$12\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	390 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	391 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	392 : "r"(_vector_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	393 : "$2", "$3" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	394 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	395 CYG_MACRO_END
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	396
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	397 #define HAL_INTERRUPT_ACKNOWLEDGE( _vector_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	398 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	399 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	400 "mfc0 $3,$13\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	401 "la $2,0x00000400\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	402 "sllv $2,$2,%0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	403 "nor $2,$2,$0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	404 "and $3,$3,$2\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	405 "mtc0 $3,$13\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	406 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	407 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	408 : "r"(_vector_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	409 : "$2", "$3" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	410 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	411 CYG_MACRO_END
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	412
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	413 #define HAL_INTERRUPT_CONFIGURE( _vector_, _level_, _up_ )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	414
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	415 #define HAL_INTERRUPT_SET_LEVEL( _vector_, _level_ )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	416
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	417 #define CYGHWR_HAL_INTERRUPT_CONTROLLER_ACCESS_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	418
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	419 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	420
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	421 //--------------------------------------------------------------------------
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	422 // Clock control.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	423 // 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	424 // MIPS variants.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	425 // 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	426 // 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	427 // cause a resource conflict.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	428
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	429 #ifndef CYGHWR_HAL_CLOCK_CONTROL_DEFINED
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	430
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	431 externC CYG_WORD32 cyg_hal_clock_period;
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	432 #define CYGHWR_HAL_CLOCK_PERIOD_DEFINED
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	433
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	434 #define HAL_CLOCK_INITIALIZE( _period_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	435 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	436 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	437 "mtc0 $0,$9\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	438 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	439 "mtc0 %0,$11\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	440 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	441 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	442 : "r"(_period_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	443 ); \
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	444 cyg_hal_clock_period = _period_; \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	445 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	446
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	447 #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	448 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	449 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	450 "mtc0 $0,$9\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	451 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	452 "mtc0 %0,$11\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	453 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	454 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	455 : "r"(_period_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	456 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	457 CYG_MACRO_END
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	458
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	459 #define HAL_CLOCK_READ( _pvalue_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	460 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	461 register CYG_WORD32 result; \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	462 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	463 "mfc0 %0,$9\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	464 : "=r"(result) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	465 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	466 *(_pvalue_) = result; \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	467 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	468
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	469 #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	470
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	471 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	472
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	473 #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	474 !defined(HAL_CLOCK_LATENCY)
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	475 #define HAL_CLOCK_LATENCY( _pvalue_ ) \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	476 CYG_MACRO_START \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	477 register CYG_WORD32 _cval_; \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	478 HAL_CLOCK_READ(&_cval_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	479 *(_pvalue_) = _cval_ - cyg_hal_clock_period; \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	480 CYG_MACRO_END
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	481 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	482
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	483 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	484 #endif // ifndef CYGONCE_HAL_HAL_INTR_H
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	485 // End of hal_intr.h

Mercurial > ecos

annotate packages/hal/mips/arch/current/include/hal_intr.h @ 92:08ffab08d2ee ecos-sw-2000-05-26