ecos: packages/hal/mips/arch/current/include/arch.inc annotate

annotate packages/hal/mips/arch/current/include/arch.inc @ 62:7a6ac9edc838 ecos-sw-2000-01-24

Merge from eCos master repository on 2000-01-24-19:43:49-GMT

author	jlarmour
date	Mon, 24 Jan 2000 21:43:17 +0000
parents	1370c5e55234
children	c38311975d4f

rev	line source
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	1 #ifndef CYGONCE_HAL_ARCH_INC
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	2 #define CYGONCE_HAL_ARCH_INC
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	3 ##=============================================================================
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	4 ##
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	5 ## arch.inc
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	6 ##
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	7 ## MIPS assembler header file
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	8 ##
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	9 ##=============================================================================
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	10 #####COPYRIGHTBEGIN####
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	11 #
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	12 # -------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	13 # The contents of this file are subject to the Cygnus eCos Public License
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	14 # Version 1.0 (the "License"); you may not use this file except in
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	15 # compliance with the License. You may obtain a copy of the License at
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	16 # http://sourceware.cygnus.com/ecos
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	17 #
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	18 # Software distributed under the License is distributed on an "AS IS"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	19 # basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	20 # License for the specific language governing rights and limitations under
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	21 # the License.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	22 #
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	23 # The Original Code is eCos - Embedded Cygnus Operating System, released
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	24 # September 30, 1998.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	25 #
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	26 # The Initial Developer of the Original Code is Cygnus. Portions created
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	27 # by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	28 # -------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	29 #
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	30 #####COPYRIGHTEND####
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	31 ##=============================================================================
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	32 #######DESCRIPTIONBEGIN####
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	33 ##
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	34 ## Author(s): nickg
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	35 ## Contributors: nickg
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	36 ## Date: 1997-10-16
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	37 ## Purpose: Architecture definitions.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	38 ## Description: This file contains various definitions and macros that are
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	39 ## useful for writing assembly code for the MIPS CPU family.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	40 ## Usage:
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	41 ## #include <cyg/hal/arch.inc>
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	42 ## ...
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	43 ##
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	44 ##
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	45 ######DESCRIPTIONEND####
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	46 ##
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	47 ##=============================================================================
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	48
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	49 #include <cyg/hal/mips.inc>
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	50
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	51 #include <cyg/hal/variant.inc>
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	52
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	53 ##-----------------------------------------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	54 ## Set up the value for the initial status register
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	55
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	56 #ifndef INITIAL_SR
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	57
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	58 #if defined(CYG_HAL_STARTUP_RAM)
62 7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	59 # if defined(CYG_HAL_MIPS_SIM) \|\| !defined(CYGSEM_HAL_USE_ROM_MONITOR)
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	60 # define INITIAL_SR 0x1000ff00 /* CP0 usable, Ints enabled */
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	61 # else
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	62 # define INITIAL_SR 0x1040ff00 /* as above + ROM vectors used */
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	63 # endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	64 #elif defined(CYG_HAL_STARTUP_ROM)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	65 # define INITIAL_SR 0x1040ff00 /* as above + ROM vectors used */
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	66 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	67
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	68 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	69
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	70 ##-----------------------------------------------------------------------------
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	71 ## Setup the initial value for the config0 register
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	72
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	73 #ifndef INITIAL_CONFIG0
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	74
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	75 #define INITIAL_CONFIG0 0x00000002
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	76
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	77 #endif
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	78
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	79 ##-----------------------------------------------------------------------------
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	80 ## MIPS thread and interrupt saved state. This must match the layout of the
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	81 ## HAL_SavedRegisters in hal_arch.h. Do not change this without changing the
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	82 ## layout there, or viceversa.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	83
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	84 #ifdef CYGHWR_HAL_MIPS_64BIT
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	85 # define mips_regsize 8
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	86 #else
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	87 # define mips_regsize 4
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	88 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	89
62 7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	90 # define mips_regsize32 4
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	91
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	92 #if defined(CYGHWR_HAL_MIPS_FPU)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	93 # if defined(CYGHWR_HAL_MIPS_FPU_64BIT)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	94 # define mips_fpuregsize 8
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	95 # elif defined(CYGHWR_HAL_MIPS_FPU_32BIT)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	96 # define mips_fpuregsize 4
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	97 # else
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	98 # error MIPS FPU register size not defined
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	99 # endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	100 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	101
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	102
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	103 #define mipsreg_regs 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	104 #define mipsreg_hi (mips_regsize*32)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	105 #define mipsreg_lo (mipsreg_hi+mips_regsize)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	106 #ifdef CYGHWR_HAL_MIPS_FPU
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	107 # define mipsreg_fpureg (mipsreg_lo+mips_regsize)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	108 # define mipsreg_fcr31 (mipsreg_fpureg+(mips_fpuregsize*32))
62 7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	109 # define mipsreg_fppad (mipsreg_fcr31+mips_regsize32)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	110 # define mipsreg_vector (mipsreg_fppad+mips_regsize32)
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	111 #else
62 7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	112 # define mipsreg_vector (mipsreg_lo+mips_regsize32)
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	113 #endif
62 7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	114 #define mipsreg_pc (mipsreg_vector+mips_regsize32)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	115 #define mipsreg_sr (mipsreg_pc+mips_regsize32)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	116 #define mipsreg_cachectrl (mipsreg_sr+mips_regsize32)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	117 #define mipsreg_cause (mipsreg_cachectrl+mips_regsize32)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	118 #define mipsreg_badvr (mipsreg_cause+mips_regsize32)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	119 #define mipsreg_prid (mipsreg_badvr+mips_regsize32)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	120 #define mipsreg_config (mipsreg_prid+mips_regsize32)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	121 #define mipsreg_size (mipsreg_config+mips_regsize32)
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	122
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	123 #define mips_exception_decrement (mipsreg_size*2)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	124
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	125 ##-----------------------------------------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	126 ## Minimal stack frame size uses to call functions from asm.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	127
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	128 #define mips_stack_frame_size 32 // 4 (64 bit) args worth
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	129
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	130 ##-----------------------------------------------------------------------------
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	131 ## Load Address and Relocate. This macro is used in code that may be linked
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	132 ## to execute out of RAM but is actually executed from ROM. If that is the
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	133 ## case a suitable version of this macro will have been defined elsewhere.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	134 ## This is just a default version for use when that does not happen.
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	135
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	136 #ifndef CYGPKG_HAL_MIPS_LAR_DEFINED
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	137
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	138 .macro lar reg,addr
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	139 la \reg,\addr
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	140 .endm
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	141
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	142 #define CYGPKG_HAL_MIPS_LAR_DEFINED
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	143
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	144 #endif
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	145
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	146 ##-----------------------------------------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	147 ## CPU specific macros. These provide a common assembler interface to
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	148 ## operations that may have CPU specific implementations on different
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	149 ## variants of the architecture.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	150
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	151 # Initialize CPU
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	152 .macro hal_cpu_init
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	153 mtc0 zero,cause # zero cause reg
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	154 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	155 la v0,INITIAL_SR # initialize status register
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	156 mtc0 v0,status
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	157 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	158 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	159 nop
8 ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	160 la v0,INITIAL_CONFIG0
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	161 mtc0 v0,config0
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	162 nop
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	163 nop
ece80412419a Merge from eCos master repository on 1999-05-21-22:05:54-BST jlarmour parents: 6 diff changeset	164 nop
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	165 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	166
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	167 # Enable interrupts
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	168 #ifdef CYG_HAL_MIPS_R3900
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	169 .macro hal_cpu_int_enable
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	170 mfc0 v0,status
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	171 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	172 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	173 ori v0,v0,0x0001 # set IE bit
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	174 mtc0 v0,status
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	175 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	176 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	177 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	178 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	179 #else
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	180 .macro hal_cpu_int_enable
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	181 mfc0 v0,status
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	182 la v1,0xFFFFFFF9
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	183 and v0,v0,v1 # clear EXL and ERL bits
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	184 ori v0,v0,0x0001 # set IE bit
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	185 mtc0 v0,status
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	186 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	187 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	188 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	189 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	190 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	191
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	192
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	193 # Disable interrupts
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	194 .macro hal_cpu_int_disable
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	195 mfc0 v0,status
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	196 la v1,0xFFFFFFFE
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	197 and v0,v0,v1
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	198 mtc0 v0,status
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	199 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	200 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	201 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	202 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	203
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	204 # Merge the interrupt enable state of the status register in
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	205 # \sr with the current sr.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	206 #ifdef CYG_HAL_MIPS_R3900
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	207 #define HAL_SR_INT_MASK 0x00000001 // IEc only
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	208 #else
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	209 #define HAL_SR_INT_MASK 0x00000007 // IE, EXL, ERL
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	210 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	211 .macro hal_cpu_int_merge sr
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	212 mfc0 v0,status # V0 = current SR
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	213 la v1,HAL_SR_INT_MASK # V1 = SR interrupt bits mask
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	214 and \sr,\sr,v1 # Isolate interrupt bits of \sr
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	215 nor v1,v1,zero # Invert mask
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	216 and v0,v0,v1 # V0 = current SR except int bits
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	217 or v0,v0,\sr # V0 = New SR
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	218 mtc0 v0,status # Return to SR
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	219 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	220
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	221 # Enable further exception processing, and disable
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	222 # interrupt processing.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	223 #ifdef CYG_HAL_MIPS_R3900
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	224 .macro hal_cpu_except_enable
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	225 hal_cpu_int_disable
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	226 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	227 #else
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	228 .macro hal_cpu_except_enable
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	229 mfc0 v0,status
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	230 la v1,0xFFFFFFF0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	231 and v0,v0,v1 # clear EXL, ERL and IE bits
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	232 mtc0 v0,status
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	233 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	234 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	235 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	236 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	237 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	238
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	239 # Return from exception.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	240 #ifdef CYG_HAL_MIPS_R3900
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	241 .macro hal_cpu_eret pc,sr
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	242 mtc0 \sr,status # Load status register
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	243 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	244 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	245 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	246 sync # settle things down
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	247 jr \pc # jump back to interrupted code
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	248 rfe # restore state (delay slot)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	249 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	250 #else
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	251 .macro hal_cpu_eret pc,sr
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	252 mtc0 \pc,epc # put PC in EPC
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	253 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	254 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	255 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	256 mtc0 \sr,status # put SR back
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	257 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	258 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	259 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	260 sync # settle things down
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	261 eret # return
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	262 nop # just to be safe
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	263 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	264 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	265
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	266 ##-----------------------------------------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	267 # Default MIPS interrupt decoding macros. This uses the basic interrupt
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	268 # support provided by CP0 in the cause and status registers. If there is
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	269 # a more complex external interrupt controller, or the default stuff is
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	270 # interpreted differently (as in the TX3904) then these macros will be
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	271 # overridden and CYGPKG_HAL_MIPS_INTC_DEFINED will be defined.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	272
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	273 #ifndef CYGPKG_HAL_MIPS_INTC_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	274
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	275 #ifndef CYGPKG_HAL_MIPS_INTC_INIT_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	276 # initialize all interrupts to disabled
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	277 .macro hal_intc_init
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	278 mfc0 v0,status
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	279 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	280 lui v1,0xFFFF
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	281 ori v1,v1,0x00FF
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	282 and v0,v0,v1 # clear the IntMask bits
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	283 mtc0 v0,status
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	284 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	285 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	286 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	287 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	288 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	289
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	290 .macro hal_intc_decode vnum
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	291 mfc0 v0,cause # get cause register
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	292 nop # delay slot
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	293 srl v0,v0,10 # shift interrupt bits down
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	294 andi v0,v0,0x7f # isolate 6 interrupt bits
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	295 la v1,hal_intc_translation_table
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	296 add v0,v0,v1 # index into table
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	297 lb \vnum,0(v0) # pick up vector number
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	298 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	299
48 1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 36 diff changeset	300 #ifndef CYGPKG_HAL_MIPS_INTC_TRANSLATE_DEFINED
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 36 diff changeset	301 #ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 36 diff changeset	302 .macro hal_intc_translate inum,vnum
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 36 diff changeset	303 move \vnum,zero # Just vector zero is supported
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 36 diff changeset	304 .endm
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 36 diff changeset	305 #else
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 36 diff changeset	306 .macro hal_intc_translate inum,vnum
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 36 diff changeset	307 move \vnum,\inum # Vector == interrupt number
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 36 diff changeset	308 .endm
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 36 diff changeset	309 #endif
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 36 diff changeset	310 #endif
1370c5e55234 Merge from eCos master repository on 1999-10-25-21:18:27-BST jlarmour parents: 36 diff changeset	311
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	312 .macro hal_intc_decode_data
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	313 hal_intc_translation_table:
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	314 .byte 0, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	315 .byte 2, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	316 .byte 3, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	317 .byte 2, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	318 .byte 4, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	319 .byte 2, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	320 .byte 3, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	321 .byte 2, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	322 .byte 5, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	323 .byte 2, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	324 .byte 3, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	325 .byte 2, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	326 .byte 4, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	327 .byte 2, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	328 .byte 3, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	329 .byte 2, 0, 1, 0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	330 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	331 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	332
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	333 #------------------------------------------------------------------------------
62 7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	334 # Register save and restore macros. These expect a pointer to a CPU save state
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	335 # area in the register \ptr. The GPR indicated by \reg will be saved into its
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	336 # slot in that structure.
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	337
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	338 #ifdef CYGHWR_HAL_MIPS_64BIT
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	339
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	340 .macro sgpr reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	341 sd $\reg,(mipsreg_regs+\reg*mips_regsize)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	342 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	343
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	344 .macro lgpr reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	345 ld $\reg,(mipsreg_regs+\reg*mips_regsize)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	346 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	347
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	348 .macro slo reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	349 sd \reg,(mipsreg_lo)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	350 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	351
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	352 .macro shi reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	353 sd \reg,(mipsreg_hi)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	354 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	355
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	356 .macro llo reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	357 ld \reg,(mipsreg_lo)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	358 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	359
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	360 .macro lhi reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	361 ld \reg,(mipsreg_hi)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	362 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	363
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	364 .macro ssp reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	365 sd \reg,(mipsreg_regs+29*mips_regsize)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	366 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	367
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	368 .macro lsp reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	369 ld \reg,(mipsreg_regs+29*mips_regsize)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	370 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	371
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	372 #else
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	373
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	374 .macro sgpr reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	375 sw $\reg,(mipsreg_regs+\reg*mips_regsize)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	376 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	377
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	378 .macro lgpr reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	379 lw $\reg,(mipsreg_regs+\reg*mips_regsize)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	380 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	381
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	382 .macro slo reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	383 sw \reg,(mipsreg_lo)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	384 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	385
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	386 .macro shi reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	387 sw \reg,(mipsreg_hi)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	388 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	389
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	390 .macro llo reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	391 lw \reg,(mipsreg_lo)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	392 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	393
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	394 .macro lhi reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	395 lw \reg,(mipsreg_hi)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	396 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	397
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	398 .macro ssp reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	399 sw \reg,(mipsreg_regs+29*mips_regsize)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	400 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	401
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	402 .macro lsp reg,ptr
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	403 lw \reg,(mipsreg_regs+29*mips_regsize)(\ptr)
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	404 .endm
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	405
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	406 #endif
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	407
7a6ac9edc838 Merge from eCos master repository on 2000-01-24-19:43:49-GMT jlarmour parents: 48 diff changeset	408 #------------------------------------------------------------------------------
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	409 # FPU macros.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	410 # The MIPS floating point unit essentially operates in two modes. In the first
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	411 # it supplies 32 32bit FP registers that may be paired into 16 64 bit registers.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	412 # In the second it supplies 32 64bit registers. Which mode is to be used depends
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	413 # not only on the specific implementation in use, but also on the setting of the
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	414 # FR bit in the status register (if it is implemented) and on the expectations of
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	415 # the toolchain.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	416
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	417 #ifndef CYGPKG_HAL_MIPS_FPU_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	418
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	419 #ifdef CYGHWR_HAL_MIPS_FPU
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	420
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	421 #if defined(CYGHWR_HAL_MIPS_FPU_64BIT)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	422 #define sfpr sdc1
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	423 #define lfpr ldc1
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	424 #define CYG_HAL_MIPS_FPU_SR_INIT 0x24000000
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	425 #elif defined(CYGHWR_HAL_MIPS_FPU_32BIT)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	426 #define sfpr swc1
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	427 #define lfpr lwc1
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	428 #define CYG_HAL_MIPS_FPU_SR_INIT 0x20000000
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	429 #else
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	430 #error MIPS FPU register size not defined
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	431 #endif
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 8 diff changeset	432
26 4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 24 diff changeset	433 #ifndef CYG_HAL_MIPS_FCSR_INIT
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 24 diff changeset	434 #define CYG_HAL_MIPS_FCSR_INIT 0
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 8 diff changeset	435 #endif
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 8 diff changeset	436
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	437 .macro hal_fpu_init
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	438 mfc0 v0,status # Get sr
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	439 la v1,0xDBFFFFFF # Clear bits to be changed
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	440 and v0,v0,v1
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	441 la v1,CYG_HAL_MIPS_FPU_SR_INIT # Set the bits we want
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	442 or v0,v0,v1 # Set sr to required value
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	443 mtc0 v0,status # return to sr
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	444 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	445 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	446 nop
26 4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 24 diff changeset	447 la v0,CYG_HAL_MIPS_FCSR_INIT # Get initial value for FCR31
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 8 diff changeset	448 ctc1 v0,$31 # set Fp control reg
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	449 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	450 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	451
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	452 # Save the caller-saved registers as defined by the ABI.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	453 # These only really need saving during interrupts.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	454 .macro hal_fpu_save_caller regs
26 4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 24 diff changeset	455 cfc1 v0,$31
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 24 diff changeset	456 sw v0,mipsreg_fcr31(\regs)
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	457 sfpr f0,(mipsreg_fpureg+0*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	458 sfpr f1,(mipsreg_fpureg+1*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	459 sfpr f2,(mipsreg_fpureg+2*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	460 sfpr f3,(mipsreg_fpureg+3*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	461 sfpr f4,(mipsreg_fpureg+4*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	462 sfpr f5,(mipsreg_fpureg+5*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	463 sfpr f6,(mipsreg_fpureg+6*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	464 sfpr f7,(mipsreg_fpureg+7*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	465 sfpr f8,(mipsreg_fpureg+8*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	466 sfpr f9,(mipsreg_fpureg+9*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	467 sfpr f10,(mipsreg_fpureg+10*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	468 sfpr f11,(mipsreg_fpureg+11*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	469 sfpr f12,(mipsreg_fpureg+12*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	470 sfpr f13,(mipsreg_fpureg+13*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	471 sfpr f14,(mipsreg_fpureg+14*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	472 sfpr f15,(mipsreg_fpureg+15*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	473 sfpr f16,(mipsreg_fpureg+16*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	474 sfpr f17,(mipsreg_fpureg+17*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	475 sfpr f18,(mipsreg_fpureg+18*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	476 sfpr f19,(mipsreg_fpureg+19*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	477 sfpr f31,(mipsreg_fpureg+31*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	478 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	479
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	480 # Save the callee-saved registers as defined by the ABI.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	481 # These are the only registers that need to be saved
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	482 # across thread switches.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	483 .macro hal_fpu_save_callee regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	484 sfpr f20,(mipsreg_fpureg+20*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	485 sfpr f21,(mipsreg_fpureg+21*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	486 sfpr f22,(mipsreg_fpureg+22*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	487 sfpr f23,(mipsreg_fpureg+23*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	488 sfpr f24,(mipsreg_fpureg+24*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	489 sfpr f25,(mipsreg_fpureg+25*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	490 sfpr f26,(mipsreg_fpureg+26*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	491 sfpr f27,(mipsreg_fpureg+27*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	492 sfpr f28,(mipsreg_fpureg+28*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	493 sfpr f29,(mipsreg_fpureg+29*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	494 sfpr f30,(mipsreg_fpureg+30*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	495 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	496
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	497 # General macro to save everything
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	498 .macro hal_fpu_save regs
36 e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	499 hal_fpu_save_caller \regs
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	500 hal_fpu_save_callee \regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	501 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	502
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	503 # Reload the caller-saved registers.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	504 .macro hal_fpu_load_caller regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	505 lfpr f0,(mipsreg_fpureg+0*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	506 lfpr f1,(mipsreg_fpureg+1*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	507 lfpr f2,(mipsreg_fpureg+2*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	508 lfpr f3,(mipsreg_fpureg+3*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	509 lfpr f4,(mipsreg_fpureg+4*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	510 lfpr f5,(mipsreg_fpureg+5*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	511 lfpr f6,(mipsreg_fpureg+6*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	512 lfpr f7,(mipsreg_fpureg+7*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	513 lfpr f8,(mipsreg_fpureg+8*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	514 lfpr f9,(mipsreg_fpureg+9*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	515 lfpr f10,(mipsreg_fpureg+10*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	516 lfpr f11,(mipsreg_fpureg+11*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	517 lfpr f12,(mipsreg_fpureg+12*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	518 lfpr f13,(mipsreg_fpureg+13*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	519 lfpr f14,(mipsreg_fpureg+14*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	520 lfpr f15,(mipsreg_fpureg+15*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	521 lfpr f16,(mipsreg_fpureg+16*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	522 lfpr f17,(mipsreg_fpureg+17*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	523 lfpr f18,(mipsreg_fpureg+18*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	524 lfpr f19,(mipsreg_fpureg+19*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	525 lfpr f31,(mipsreg_fpureg+31*mips_fpuregsize)(\regs)
26 4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 24 diff changeset	526 lw v0,mipsreg_fcr31(\regs)
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 24 diff changeset	527 ctc1 v0,$31
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	528 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	529
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	530 # Reload the callee-saved registers.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	531 .macro hal_fpu_load_callee regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	532 lfpr f20,(mipsreg_fpureg+20*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	533 lfpr f21,(mipsreg_fpureg+21*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	534 lfpr f22,(mipsreg_fpureg+22*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	535 lfpr f23,(mipsreg_fpureg+23*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	536 lfpr f24,(mipsreg_fpureg+24*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	537 lfpr f25,(mipsreg_fpureg+25*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	538 lfpr f26,(mipsreg_fpureg+26*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	539 lfpr f27,(mipsreg_fpureg+27*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	540 lfpr f28,(mipsreg_fpureg+28*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	541 lfpr f29,(mipsreg_fpureg+29*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	542 lfpr f30,(mipsreg_fpureg+30*mips_fpuregsize)(\regs)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	543 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	544
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	545 # Reload everything.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	546 .macro hal_fpu_load regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	547 hal_fpu_load_caller \regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	548 hal_fpu_load_callee \regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	549 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	550 #else
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	551
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	552 # Default macros for non-fpu implementations
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	553
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	554 .macro hal_fpu_init
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	555 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	556
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	557 .macro hal_fpu_save regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	558 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	559
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	560 .macro hal_fpu_save_caller regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	561 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	562
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	563 .macro hal_fpu_save_callee regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	564 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	565
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	566 .macro hal_fpu_load_caller regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	567 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	568
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	569 .macro hal_fpu_load_callee regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	570 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	571
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	572 .macro hal_fpu_load regs
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	573 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	574
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	575 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	576
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	577 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	578
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	579 #------------------------------------------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	580 # MMU macros.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	581
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	582 #ifndef CYGPKG_HAL_MIPS_MMU_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	583
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	584 .macro hal_mmu_init
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	585 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	586
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	587 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	588
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	589 #------------------------------------------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	590 # MEMC macros.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	591
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	592 #ifndef CYGPKG_HAL_MIPS_MEMC_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	593
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	594 .macro hal_memc_init
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	595 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	596
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	597 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	598
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	599 #------------------------------------------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	600 # Cache macros.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	601
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	602 #ifndef CYGPKG_HAL_MIPS_CACHE_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	603
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	604 #ifdef CYG_HAL_MIPS_R3900
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	605 .macro hal_cache_init
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	606 mfc0 v0,config # disable cache in config register
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	607 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	608 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	609 la v1,0xffffffcf
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	610 and v0,v0,v1
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	611 mtc0 v0,config
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	612 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	613 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	614 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	615 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	616 #else
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	617 .macro hal_cache_init
36 e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	618
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	619 mfc0 v0,config0 # disable Kseg0 caching in config0 register
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	620 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	621 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	622 la v1,0xfffffff8
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	623 and v0,v0,v1
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	624 ori v0,v0,2
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	625 mtc0 v0,config0
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	626 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	627 nop
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	628 nop
24 306eee292492 Merge from eCos master repository on 1999-07-16-05:47:06-BST jlarmour parents: 18 diff changeset	629
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	630 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	631 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	632
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	633 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	634
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	635 #------------------------------------------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	636 # Diagnostics macros.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	637
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	638 #ifndef CYGPKG_HAL_MIPS_DIAG_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	639
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	640 .macro hal_diag_init
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	641 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	642
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	643 .macro hal_diag_excpt_start
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	644 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	645
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	646 .macro hal_diag_intr_start
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	647 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	648
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	649 .macro hal_diag_restore
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	650 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	651 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	652
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	653 #------------------------------------------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	654 # Timer initialization.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	655
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	656 #ifndef CYGPKG_HAL_MIPS_TIMER_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	657
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	658 .macro hal_timer_init
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	659 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	660
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	661 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	662
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	663 #------------------------------------------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	664 # Monitor initialization.
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	665
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	666 #ifndef CYGPKG_HAL_MIPS_MON_DEFINED
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	667
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	668 .macro hal_mon_init
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	669 .endm
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	670
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	671 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	672
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	673 #------------------------------------------------------------------------------
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	674 #endif // ifndef CYGONCE_HAL_ARCH_INC
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: diff changeset	675 # end of arch.inc

Mercurial > ecos

annotate packages/hal/mips/arch/current/include/arch.inc @ 62:7a6ac9edc838 ecos-sw-2000-01-24