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

annotate packages/hal/mips/arch/current/include/hal_intr.h @ 210:d2c90368aeef

Merge from eCos master repository on 2002-05-23-21:39:14-BST

author	jlarmour
date	Thu, 23 May 2002 22:59:51 +0000
parents	e0c0827131d1
children	74dbf4c3f2e1

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 //==========================================================================
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	11 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	12 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	13 // This file is part of eCos, the Embedded Configurable Operating System.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	14 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	15 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	16 // eCos is free software; you can redistribute it and/or modify it under
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	17 // the terms of the GNU General Public License as published by the Free
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	18 // Software Foundation; either version 2 or (at your option) any later version.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	19 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	20 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	21 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	23 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	24 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	25 // You should have received a copy of the GNU General Public License along
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	26 // with eCos; if not, write to the Free Software Foundation, Inc.,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	27 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	28 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	29 // As a special exception, if other files instantiate templates or use macros
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	30 // or inline functions from this file, or you compile this file and link it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	31 // with other works to produce a work based on this file, this file does not
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	32 // by itself cause the resulting work to be covered by the GNU General Public
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	33 // License. However the source code for this file must still be made available
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	34 // in accordance with section (3) of the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	35 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	36 // This exception does not invalidate any other reasons why a work based on
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	37 // this file might be covered by the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	38 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	39 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	40 // at http://sources.redhat.com/ecos/ecos-license/
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	41 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	42 //####ECOSGPLCOPYRIGHTEND####
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	43 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	44 //#####DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	45 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	46 // Author(s): nickg
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	47 // Contributors: nickg, jskov,
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	48 // gthomas, jlarmour
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	49 // Date: 1999-02-16
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	50 // Purpose: Define Interrupt support
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	51 // 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	52 // interrupts and the clock.
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 // Usage:
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	55 // #include <cyg/hal/hal_intr.h>
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	56 // ...
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	57 //
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	58 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	59 //####DESCRIPTIONEND####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	60 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	61 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	62
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	63 #include <pkgconf/hal.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	64
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	65 #include <cyg/infra/cyg_type.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	66 #include <cyg/hal/hal_io.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	67
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	68 #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	69
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	70 //--------------------------------------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	71 // MIPS vectors.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	72
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	73 // 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	74 // 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	75
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	76 // External interrupt
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	77 #define CYGNUM_HAL_VECTOR_INTERRUPT 0
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	78 // TLB modification exception
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	79 #define CYGNUM_HAL_VECTOR_TLB_MOD 1
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	80 // TLB miss (Load or IFetch)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	81 #define CYGNUM_HAL_VECTOR_TLB_LOAD_REFILL 2
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	82 // TLB miss (Store)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	83 #define CYGNUM_HAL_VECTOR_TLB_STORE_REFILL 3
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	84 // Address error (Load or Ifetch)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	85 #define CYGNUM_HAL_VECTOR_LOAD_ADDRESS 4
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	86 // Address error (store)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	87 #define CYGNUM_HAL_VECTOR_STORE_ADDRESS 5
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	88 // Bus error (Ifetch)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	89 #define CYGNUM_HAL_VECTOR_IBE 6
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	90 // Bus error (data load or store)
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	91 #define CYGNUM_HAL_VECTOR_DBE 7
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	92 // System call
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	93 #define CYGNUM_HAL_VECTOR_SYSTEM_CALL 8
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	94 // Break point
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	95 #define CYGNUM_HAL_VECTOR_BREAKPOINT 9
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	96 // Reserved instruction
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	97 #define CYGNUM_HAL_VECTOR_RESERVED_INSTRUCTION 10
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	98 // Coprocessor unusable
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	99 #define CYGNUM_HAL_VECTOR_COPROCESSOR 11
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	100 // Arithmetic overflow
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	101 #define CYGNUM_HAL_VECTOR_OVERFLOW 12
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	102 // Reserved
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	103 #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	104 // Division-by-zero [reserved vector]
70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	105 // 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	106 // 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	107 // only caller of this vector.
70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	108 #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	109 // Floating point exception
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	110 #ifdef CYGHWR_HAL_MIPS_FPU
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	111 #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	112 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	113
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	114 #define CYGNUM_HAL_VSR_MIN CYGNUM_HAL_VECTOR_INTERRUPT
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	115 #ifdef CYGNUM_HAL_VECTOR_FPE
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	116 #define CYGNUM_HAL_VSR_MAX CYGNUM_HAL_VECTOR_FPE
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	117 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	118 #define CYGNUM_HAL_VSR_MAX CYGNUM_HAL_VECTOR_DIV_BY_ZERO
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	119 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	120 #define CYGNUM_HAL_VSR_COUNT (CYGNUM_HAL_VSR_MAX-CYGNUM_HAL_VSR_MIN+1)
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	121
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	122 // 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	123 // external exception handler using cyg_hal_deliver_exception()
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	124
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	125 #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	126 #define CYGNUM_HAL_EXCEPTION_DATA_TLBMISS_ACCESS \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	127 CYGNUM_HAL_VECTOR_TLB_LOAD_REFILL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	128 #define CYGNUM_HAL_EXCEPTION_DATA_TLBMISS_WRITE \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	129 CYGNUM_HAL_VECTOR_TLB_STORE_REFILL
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	130 #define CYGNUM_HAL_EXCEPTION_DATA_UNALIGNED_ACCESS \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	131 CYGNUM_HAL_VECTOR_LOAD_ADDRESS
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	132 #define CYGNUM_HAL_EXCEPTION_DATA_UNALIGNED_WRITE \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	133 CYGNUM_HAL_VECTOR_STORE_ADDRESS
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	134 #define CYGNUM_HAL_EXCEPTION_CODE_ACCESS CYGNUM_HAL_VECTOR_IBE
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	135 #define CYGNUM_HAL_EXCEPTION_DATA_ACCESS CYGNUM_HAL_VECTOR_DBE
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	136 #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	137 #define CYGNUM_HAL_EXCEPTION_INSTRUCTION_BP CYGNUM_HAL_VECTOR_BREAKPOINT
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	138 #define CYGNUM_HAL_EXCEPTION_ILLEGAL_INSTRUCTION \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	139 CYGNUM_HAL_VECTOR_RESERVED_INSTRUCTION
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	140 #define CYGNUM_HAL_EXCEPTION_COPROCESSOR CYGNUM_HAL_VECTOR_COPROCESSOR
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	141 #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	142 #define CYGNUM_HAL_EXCEPTION_DIV_BY_ZERO CYGNUM_HAL_VECTOR_DIV_BY_ZERO
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	143 #ifdef CYGHWR_HAL_MIPS_FPU
124 0ec04793409a Merge from eCos master repository on 2000-09-11-03:00:13-BST jlarmour parents: 112 diff changeset	144 #define CYGNUM_HAL_EXCEPTION_FPU CYGNUM_HAL_VECTOR_FPE
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	145 #endif
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	146
112 02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 90 diff changeset	147 #define CYGNUM_HAL_EXCEPTION_INTERRUPT CYGNUM_HAL_VECTOR_BREAKPOINT
02ea4320376c Merge from eCos master repository on 2000-07-21-21:01:39-BST jlarmour parents: 90 diff changeset	148
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	149 #ifdef CYGHWR_HAL_MIPS_FPU
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	150 // decoded exception vectors
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	151 #define CYGNUM_HAL_EXCEPTION_FPU_INEXACT (-1)
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	152 #define CYGNUM_HAL_EXCEPTION_FPU_DIV_BY_ZERO (-2)
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	153 #define CYGNUM_HAL_EXCEPTION_FPU_OVERFLOW (-3)
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	154 #define CYGNUM_HAL_EXCEPTION_FPU_UNDERFLOW (-4)
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	155 #define CYGNUM_HAL_EXCEPTION_FPU_INVALID (-5)
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	156 #endif
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	157
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	158 // Min/Max exception numbers and how many there are
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	159 #ifdef CYGNUM_HAL_EXCEPTION_FPU_INVALID
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	160 #define CYGNUM_HAL_EXCEPTION_MIN CYGNUM_HAL_EXCEPTION_FPU_INVALID
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	161 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	162 #define CYGNUM_HAL_EXCEPTION_MIN CYGNUM_HAL_VSR_MIN
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 176 diff changeset	163 #endif
60 3836136e7743 Merge from eCos master repository on 1999-12-17-19:44:58-GMT jlarmour parents: 18 diff changeset	164 #define CYGNUM_HAL_EXCEPTION_MAX CYGNUM_HAL_VSR_MAX
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	165
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	166 #define CYGNUM_HAL_EXCEPTION_COUNT \
518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	167 ( CYGNUM_HAL_EXCEPTION_MAX - CYGNUM_HAL_EXCEPTION_MIN + 1 )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	168
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	169
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	170 #ifndef CYGHWR_HAL_INTERRUPT_VECTORS_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	171
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	172 // 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	173 // in the cause register.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	174
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	175 #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	176 #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	177 #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	178 #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	179 #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	180 #define CYGNUM_HAL_INTERRUPT_5 5
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	181
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	182 // Min/Max ISR numbers and how many there are
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	183 #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	184 #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	185 #define CYGNUM_HAL_ISR_COUNT 6
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	186
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	187 // 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	188 // 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	189 // in many MIPS variants.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	190
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	191 #ifndef CYGNUM_HAL_INTERRUPT_RTC
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	192 #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	193 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	194
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	195 #define CYGHWR_HAL_INTERRUPT_VECTORS_DEFINED
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 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	198
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	199 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	200 // Static data used by HAL
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 // ISR tables
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	203 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	204 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	205 externC volatile CYG_ADDRESS hal_interrupt_objects[CYGNUM_HAL_ISR_COUNT];
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	206
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	207 // VSR table
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	208 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	209
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	210 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	211 // Default ISR
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	212 // 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	213 // us to call it.
0 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 externC cyg_uint32 hal_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	216
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	217 #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	218
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	219 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	220 // Interrupt state storage
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 typedef cyg_uint32 CYG_INTERRUPT_STATE;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	223
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	224 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	225 // Interrupt control macros
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	226 // 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	227 // 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	228 // cause a resource conflict.
176 3902ef905c9c Merge from eCos master repository on 2001-08-03-06:43:13-BST jlarmour parents: 151 diff changeset	229 #ifndef CYGHWR_HAL_INTERRUPT_ENABLE_DISABLE_RESTORE_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	230
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	231 #define HAL_DISABLE_INTERRUPTS(_old_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	232 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	233 asm volatile ( \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	234 "mfc0 $8,$12; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	235 "move %0,$8;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	236 "and $8,$8,0XFFFFFFFE;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	237 "mtc0 $8,$12;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	238 "nop; nop; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	239 "and %0,%0,0X1;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	240 : "=r"(_old_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	241 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	242 : "$8" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	243 ); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	244 }
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 #define HAL_ENABLE_INTERRUPTS() \
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 asm volatile ( \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	249 "mfc0 $8,$12; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	250 "or $8,$8,1;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	251 "mtc0 $8,$12;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	252 "nop; nop; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	253 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	254 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	255 : "$8" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	256 ); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	257 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	258
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	259 #define HAL_RESTORE_INTERRUPTS(_old_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	260 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	261 asm volatile ( \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	262 "mfc0 $8,$12; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	263 "and %0,%0,0x1;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	264 "or $8,$8,%0;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	265 "mtc0 $8,$12;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	266 "nop; nop; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	267 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	268 : "r"(_old_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	269 : "$8" \
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 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	272
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	273 #define HAL_QUERY_INTERRUPTS( _state_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	274 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	275 asm volatile ( \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	276 "mfc0 %0,$12; nop;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	277 "and %0,%0,0x1;" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	278 : "=r"(_state_) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	279 : \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	280 : "$8" \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	281 ); \
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
176 3902ef905c9c Merge from eCos master repository on 2001-08-03-06:43:13-BST jlarmour parents: 151 diff changeset	284 #endif // CYGHWR_HAL_INTERRUPT_ENABLE_DISABLE_RESTORE_DEFINED
3902ef905c9c Merge from eCos master repository on 2001-08-03-06:43:13-BST jlarmour parents: 151 diff changeset	285
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	286 //--------------------------------------------------------------------------
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	287 // 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	288
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	289 #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	290 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	291 #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	292 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	293
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	294 // 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	295 // 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	296 #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	297 #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	298 // 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	299 // 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	300 // 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	301 // is recommended
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	302 #endif
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	303
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	304 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	305 // Vector translation.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	306 // For chained interrupts we only have a single vector though which all
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	307 // are passed. For unchained interrupts we have a vector per interrupt.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	308
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	309 #ifndef HAL_TRANSLATE_VECTOR
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	310
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	311 #if defined(CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN)
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 #define HAL_TRANSLATE_VECTOR(_vector_,_index_) (_index_) = 0
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 #else
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	316
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	317 #define HAL_TRANSLATE_VECTOR(_vector_,_index_) (_index_) = (_vector_)
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 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	320
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	321 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	322
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	323 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	324 // Interrupt and VSR attachment macros
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	325
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	326 #define HAL_INTERRUPT_IN_USE( _vector_, _state_) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	327 CYG_MACRO_START \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	328 cyg_uint32 _index_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	329 HAL_TRANSLATE_VECTOR ((_vector_), _index_); \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	330 \
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	331 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	332 (_state_) = 0; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	333 else \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	334 (_state_) = 1; \
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 #define HAL_INTERRUPT_ATTACH( _vector_, _isr_, _data_, _object_ ) \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	338 { \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	339 cyg_uint32 _index_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	340 HAL_TRANSLATE_VECTOR( _vector_, _index_ ); \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	341 \
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	342 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	343 { \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	344 hal_interrupt_handlers[_index_] = (CYG_ADDRESS)_isr_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	345 hal_interrupt_data[_index_] = (CYG_ADDRWORD)_data_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	346 hal_interrupt_objects[_index_] = (CYG_ADDRESS)_object_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	347 } \
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	348 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	349
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	350 #define HAL_INTERRUPT_DETACH( _vector_, _isr_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	351 { \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	352 cyg_uint32 _index_; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	353 HAL_TRANSLATE_VECTOR( _vector_, _index_ ); \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	354 \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	355 if( hal_interrupt_handlers[_index_] == (CYG_ADDRESS)_isr_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	356 { \
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 8 diff changeset	357 hal_interrupt_handlers[_index_] = (CYG_ADDRESS)HAL_DEFAULT_ISR; \
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	358 hal_interrupt_data[_index_] = 0; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	359 hal_interrupt_objects[_index_] = 0; \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	360 } \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	361 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	362
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	363 #define HAL_VSR_GET( _vector_, _pvsr_ ) \
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	364 (_pvsr_) = (void ()())hal_vsr_table[_vector_];
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	365
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	366
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	367 #define HAL_VSR_SET( _vector_, _vsr_, _poldvsr_ ) CYG_MACRO_START \
126 518f42066aba Merge from eCos master repository on 2000-09-19-06:25:26-BST jlarmour parents: 124 diff changeset	368 if( (void*)_poldvsr_ != NULL) \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	369 (CYG_ADDRESS )_poldvsr_ = (CYG_ADDRESS)hal_vsr_table[_vector_]; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	370 hal_vsr_table[_vector_] = (CYG_ADDRESS)_vsr_; \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	371 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	372
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	373 // 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	374 // 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	375 // 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	376 // 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	377 // exception. So use it with care.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	378
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	379 externC void __default_exception_vsr(void);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	380 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	381 externC void __break_vsr_springboard(void);
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	382
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	383 #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	384 HAL_VSR_SET( _vector_, _vector_ == CYGNUM_HAL_VECTOR_INTERRUPT \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	385 ? (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	386 : _vector_ == CYGNUM_HAL_VECTOR_BREAKPOINT \
70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	387 ? (CYG_ADDRESS)__break_vsr_springboard \
70190fa0fe10 Merge from eCos master repository on 2000-05-19-07:47:03-BST jlarmour parents: 66 diff changeset	388 : (CYG_ADDRESS)__default_exception_vsr, \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	389 _poldvsr_ ); \
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	390 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	391
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	392 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	393 // Interrupt controller access
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	394 // 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	395 // 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	396 // 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	397 // 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	398 // cause a resource conflict.
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 #ifndef CYGHWR_HAL_INTERRUPT_CONTROLLER_ACCESS_DEFINED
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 HAL_INTERRUPT_MASK( _vector_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	403 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	404 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	405 "mfc0 $3,$12\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	406 "la $2,0x00000400\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	407 "sllv $2,$2,%0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	408 "nor $2,$2,$0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	409 "and $3,$3,$2\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	410 "mtc0 $3,$12\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	411 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	412 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	413 : "r"(_vector_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	414 : "$2", "$3" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	415 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	416 CYG_MACRO_END
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	417
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	418 #define HAL_INTERRUPT_UNMASK( _vector_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	419 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	420 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	421 "mfc0 $3,$12\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	422 "la $2,0x00000400\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	423 "sllv $2,$2,%0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	424 "or $3,$3,$2\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	425 "mtc0 $3,$12\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	426 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	427 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	428 : "r"(_vector_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	429 : "$2", "$3" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	430 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	431 CYG_MACRO_END
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	432
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	433 #define HAL_INTERRUPT_ACKNOWLEDGE( _vector_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	434 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	435 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	436 "mfc0 $3,$13\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	437 "la $2,0x00000400\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	438 "sllv $2,$2,%0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	439 "nor $2,$2,$0\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	440 "and $3,$3,$2\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	441 "mtc0 $3,$13\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	442 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	443 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	444 : "r"(_vector_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	445 : "$2", "$3" \
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 CYG_MACRO_END
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	448
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	449 #define HAL_INTERRUPT_CONFIGURE( _vector_, _level_, _up_ )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	450
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	451 #define HAL_INTERRUPT_SET_LEVEL( _vector_, _level_ )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	452
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	453 #define CYGHWR_HAL_INTERRUPT_CONTROLLER_ACCESS_DEFINED
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	454
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	455 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	456
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	457 //--------------------------------------------------------------------------
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	458 // Clock control.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	459 // 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	460 // MIPS variants.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	461 // 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	462 // 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	463 // cause a resource conflict.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	464
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	465 #ifndef CYGHWR_HAL_CLOCK_CONTROL_DEFINED
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	466
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	467 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	468 #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	469
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	470 #define HAL_CLOCK_INITIALIZE( _period_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	471 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	472 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	473 "mtc0 $0,$9\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	474 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	475 "mtc0 %0,$11\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	476 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	477 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	478 : "r"(_period_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	479 ); \
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	480 cyg_hal_clock_period = _period_; \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	481 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	482
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	483 #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	484 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	485 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	486 "mtc0 $0,$9\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	487 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	488 "mtc0 %0,$11\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	489 "nop; nop; nop\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	490 : \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	491 : "r"(_period_) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	492 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	493 CYG_MACRO_END
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	494
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	495 #define HAL_CLOCK_READ( _pvalue_ ) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	496 CYG_MACRO_START \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	497 register CYG_WORD32 result; \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	498 asm volatile ( \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	499 "mfc0 %0,$9\n" \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	500 : "=r"(result) \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	501 ); \
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	502 *(_pvalue_) = result; \
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	503 CYG_MACRO_END
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	504
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	505 #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	506
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	507 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	508
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	509 #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	510 !defined(HAL_CLOCK_LATENCY)
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	511 #define HAL_CLOCK_LATENCY( _pvalue_ ) \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	512 CYG_MACRO_START \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	513 register CYG_WORD32 _cval_; \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	514 HAL_CLOCK_READ(&_cval_); \
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 10 diff changeset	515 *(_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	516 CYG_MACRO_END
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	517 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	518
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 126 diff changeset	519
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 126 diff changeset	520 //--------------------------------------------------------------------------
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 126 diff changeset	521 // Microsecond delay function provided in hal_misc.c
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 143 diff changeset	522 externC void hal_delay_us(int us);
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 143 diff changeset	523
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 126 diff changeset	524 #define HAL_DELAY_US(n) hal_delay_us(n)
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 126 diff changeset	525
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	526 //--------------------------------------------------------------------------
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	527 #endif // ifndef CYGONCE_HAL_HAL_INTR_H
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	528 // End of hal_intr.h

Mercurial > ecos

annotate packages/hal/mips/arch/current/include/hal_intr.h @ 210:d2c90368aeef