flash_v2: packages/hal/mips/arch/current/src/hal

annotate packages/hal/mips/arch/current/src/hal_misc.c @ 38:e7ba79f6d3a8 ecos-sw-1999-09-23

Merge from eCos master repository on 1999-09-23-20:10:25-BST

author	jlarmour
date	Thu, 23 Sep 1999 19:52:27 +0000
parents	e97d78785e2d
children	a0774359f013

rev	line source
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	1 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	2 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	3 // hal_misc.c
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	4 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	5 // HAL miscellaneous functions
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	6 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	7 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	8 //####COPYRIGHTBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	9 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	10 // -------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	11 // The contents of this file are subject to the Cygnus eCos Public License
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	12 // Version 1.0 (the "License"); you may not use this file except in
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	13 // compliance with the License. You may obtain a copy of the License at
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	14 // http://sourceware.cygnus.com/ecos
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	15 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	16 // Software distributed under the License is distributed on an "AS IS"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	18 // License for the specific language governing rights and limitations under
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	19 // the License.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	20 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	21 // The Original Code is eCos - Embedded Cygnus Operating System, released
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	22 // September 30, 1998.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	23 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	24 // The Initial Developer of the Original Code is Cygnus. Portions created
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	25 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	26 // -------------------------------------------
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	27 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	28 //####COPYRIGHTEND####
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	29 //==========================================================================
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	30 //#####DESCRIPTIONBEGIN####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	31 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	32 // Author(s): nickg
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	33 // Contributors: nickg, jlarmour
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	34 // Date: 1999-01-21
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	35 // Purpose: HAL miscellaneous functions
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	36 // Description: This file contains miscellaneous functions provided by the
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	37 // HAL.
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	38 //
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	39 //####DESCRIPTIONEND####
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	40 //
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	41 //========================================================================*/
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	42
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	43 #include <pkgconf/hal.h>
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	44
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	45 #include <cyg/infra/cyg_type.h> // Base types
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	46 #include <cyg/infra/cyg_trac.h> // tracing macros
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	47 #include <cyg/infra/cyg_ass.h> // assertion macros
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	48
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	49 #include <cyg/hal/hal_arch.h> // architectural definitions
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	50
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	51 #include <cyg/hal/hal_intr.h> // Interrupt handling
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	52
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	53 #include <cyg/hal/hal_cache.h> // Cache handling
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	54
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	55 /------------------------------------------------------------------------/
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	56 /* If required, define a variable to store the clock period. */
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	57
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	58 #ifdef CYGHWR_HAL_CLOCK_PERIOD_DEFINED
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	59
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	60 CYG_WORD32 cyg_hal_clock_period;
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	61
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	62 #endif
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	63
7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	64 /------------------------------------------------------------------------/
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	65 /* First level C exception handler. */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	66
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	67 externC void __handle_exception (void);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	68
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	69 externC HAL_SavedRegisters *_hal_registers;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	70
36 e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	71 externC void *__mem_fault_handler;
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	72
26 4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	73 externC cyg_uint8 cyg_hal_mips_process_fpe( HAL_SavedRegisters *regs );
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	74
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	75 externC cyg_uint32 cyg_hal_exception_handler(HAL_SavedRegisters *regs)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	76 {
26 4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	77 #ifdef CYGHWR_HAL_MIPS_FPU
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	78 // We may be required to emulate certain unimplemented Floating Point
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	79 // operations
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	80
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	81 if ((regs->vector>>2) == CYGNUM_HAL_VECTOR_FPE) {
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	82
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	83 // cyg_hal_mips_process_fpe() returns non-zero if it could handle
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	84 // the exception successfully. If so, we just return
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	85
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	86 if ( cyg_hal_mips_process_fpe(regs) )
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	87 return 0;
26 4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	88 }
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	89 #endif
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	90
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	91 #if defined(CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	92
36 e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	93 // If we caught an exception inside the stubs, see if we were expecting it
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	94 // and if so jump to the saved address
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	95 if (__mem_fault_handler) {
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	96 regs->pc = (CYG_ADDRWORD)__mem_fault_handler;
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	97 return 0; // Caught an exception inside stubs
36 e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	98 }
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	99
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	100 // Set the pointer to the registers of the current exception
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	101 // context. At entry the GDB stub will expand the
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	102 // HAL_SavedRegisters structure into a (bigger) register array.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	103 _hal_registers = regs;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	104 __handle_exception();
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	105
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	106 #elif defined(CYGFUN_HAL_COMMON_KERNEL_SUPPORT) && defined(CYGPKG_HAL_EXCEPTIONS)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	107
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	108 // We should decode the vector and pass a more appropriate
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	109 // value as the second argument. For now we simply pass a
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	110 // pointer to the saved registers. We should also divert
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	111 // breakpoint and other debug vectors into the debug stubs.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	112
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	113 cyg_hal_deliver_exception( regs->vector>>2, (CYG_ADDRWORD)regs );
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	114
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	115 #else
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	116
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	117 CYG_FAIL("Exception!!!");
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	118
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	119 #endif
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	120 return 0;
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	121 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	122
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	123 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	124 /* default ISR */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	125
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	126 externC cyg_uint32 hal_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	127 {
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	128 #if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT) && \
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	129 defined(CYGHWR_HAL_GDB_PORT_VECTOR) && \
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	130 defined(HAL_CTRLC_ISR)
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	131
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	132 #ifndef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	133 if( vector == CYGHWR_HAL_GDB_PORT_VECTOR )
18 7253dcc42a09 Merge from eCos master repository on 1999-06-25-15:31:50-BST jlarmour parents: 16 diff changeset	134 #endif
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	135 {
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	136 cyg_uint32 result = HAL_CTRLC_ISR( vector, data );
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	137 if( result != 0 ) return result;
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	138 }
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	139
38 e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	140 #if defined(CYG_HAL_USE_ROM_MONITOR_CYGMON)
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	141 #if defined(HAL_DIAG_IRQ_CHECK)
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	142 {
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	143 cyg_uint32 ret;
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	144 /* let ROM monitor handle unexpected interrupts */
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	145 HAL_DIAG_IRQ_CHECK(vector, ret);
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	146 if (ret<=0)
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	147 return ret;
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	148 }
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	149 #endif // def HAL_DIAG_IRQ_CHECK
e7ba79f6d3a8 Merge from eCos master repository on 1999-09-23-20:10:25-BST jlarmour parents: 36 diff changeset	150 #endif // def CYG_HAL_USE_ROM_MONITOR
10 d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	151 #endif
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	152
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	153 CYG_TRACE1(true, "Interrupt: %d", vector);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	154 CYG_FAIL("Spurious Interrupt!!!");
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	155 return 0;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	156 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	157
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	158 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	159 /* data copy and bss zero functions */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	160
16 4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	161 typedef void (CYG_SYM_ADDRESS)(void);
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	162
16 4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	163 // All these must use this type of address to stop them being given relocations
4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	164 // relative to $gp (i.e. assuming they would be in .sdata)
4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	165 extern CYG_SYM_ADDRESS __ram_data_start;
4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	166 extern CYG_SYM_ADDRESS __ram_data_end;
4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	167 extern CYG_SYM_ADDRESS __rom_data_start;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	168
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	169 #ifdef CYG_HAL_STARTUP_ROM
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	170 void hal_copy_data(void)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	171 {
16 4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	172 char p = (char )&__ram_data_start;
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	173 char q = (char )&__rom_data_start;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	174
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	175 while( p != (char *)&__ram_data_end )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	176 p++ = q++;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	177 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	178 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	179
16 4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	180 extern CYG_SYM_ADDRESS __bss_start;
4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	181 extern CYG_SYM_ADDRESS __bss_end;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	182
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	183 void hal_zero_bss(void)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	184 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	185 char p = (char )&__bss_start;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	186
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	187 while( p != (char *)&__bss_end )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	188 *p++ = 0;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	189 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	190
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	191 /------------------------------------------------------------------------/
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	192
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	193 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	194 cyg_bool cyg_hal_stop_constructors;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	195 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	196
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	197 typedef void (*pfunc) (void);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	198 extern pfunc __CTOR_LIST__[];
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	199 extern pfunc __CTOR_END__[];
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	200
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	201 void
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	202 cyg_hal_invoke_constructors(void)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	203 {
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	204 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	205 static pfunc *p = &__CTOR_END__[-1];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	206
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	207 cyg_hal_stop_constructors = 0;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	208 for (; p >= __CTOR_LIST__; p--) {
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	209 (*p) ();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	210 if (cyg_hal_stop_constructors) {
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	211 p--;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	212 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	213 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	214 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	215 #else
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	216 pfunc *p;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	217
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	218 for (p = &__CTOR_END__[-1]; p >= __CTOR_LIST__; p--)
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	219 (*p) ();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	220 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	221
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	222 } // cyg_hal_invoke_constructors()
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	223
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	224 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	225 /* Determine the index of the ls bit of the supplied mask. */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	226
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	227 cyg_uint32 hal_lsbit_index(cyg_uint32 mask)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	228 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	229 cyg_uint32 n = mask;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	230
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	231 static const signed char tab[64] =
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	232 { -1, 0, 1, 12, 2, 6, 0, 13, 3, 0, 7, 0, 0, 0, 0, 14, 10,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	233 4, 0, 0, 8, 0, 0, 25, 0, 0, 0, 0, 0, 21, 27 , 15, 31, 11,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	234 5, 0, 0, 0, 0, 0, 9, 0, 0, 24, 0, 0 , 20, 26, 30, 0, 0, 0,
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	235 0, 23, 0, 19, 29, 0, 22, 18, 28, 17, 16, 0
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	236 };
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	237
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	238 n &= ~(n-1UL);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	239 n = (n<<16)-n;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	240 n = (n<<6)+n;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	241 n = (n<<4)+n;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	242
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	243 return tab[n>>26];
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	244 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	245
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	246 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	247 /* Determine the index of the ms bit of the supplied mask. */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	248
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	249 cyg_uint32 hal_msbit_index(cyg_uint32 mask)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	250 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	251 cyg_uint32 x = mask;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	252 cyg_uint32 w;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	253
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	254 /* Phase 1: make word with all ones from that one to the right */
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	255 x \|= x >> 16;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	256 x \|= x >> 8;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	257 x \|= x >> 4;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	258 x \|= x >> 2;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	259 x \|= x >> 1;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	260
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	261 /* Phase 2: calculate number of "1" bits in the word */
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	262 w = (x & 0x55555555) + ((x >> 1) & 0x55555555);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	263 w = (w & 0x33333333) + ((w >> 2) & 0x33333333);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	264 w = w + (w >> 4);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	265 w = (w & 0x000F000F) + ((w >> 8) & 0x000F000F);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	266 return (cyg_uint32)((w + (w >> 16)) & 0xFF);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	267
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	268 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	269
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	270 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	271 /* Idle thread action */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	272
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	273 #include <cyg/infra/diag.h>
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	274
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	275 void hal_idle_thread_action( cyg_uint32 count )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	276 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	277 #if 0 //def CYG_HAL_MIPS_SIM
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	278 if( (count % 1000) == 0 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	279 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	280 // This code causes a fake interrupt.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	281 asm volatile (
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	282 "xor $24,$24,$24;"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	283 "mtc0 $24,$13;"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	284 "lui $25,%%hi(1f);"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	285 "ori $25,$25,%%lo(1f);"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	286 "j other_vector;"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	287 "nop;"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	288 "1:"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	289 :
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	290 :
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	291 : "t8", "t9"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	292 );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	293 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	294 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	295 #if 0 //def CYG_HAL_MIPS_JMR3904
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	296
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	297 if( (count % 100000 ) == 0 )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	298 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	299 // cyg_uint32 tval, isr, imr, ilr;
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	300 cyg_uint32 sr = 0, cr = 0, ctr = 0, cpr = 0;
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	301 // HAL_CLOCK_READ( &tval );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	302 // HAL_READ_UINT32( 0xFFFFC000, isr );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	303 // HAL_READ_UINT32( 0xFFFFC004, imr );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	304 // HAL_READ_UINT32( 0xFFFFC01C, ilr );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	305 // CYG_TRACE2(1, "Timer value, ISR ",tval, isr);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	306 // CYG_TRACE2(1, "IMR ILR0 ", imr, ilr);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	307
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	308 // asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	309 // "mfc0 %0,$12;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	310 // "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	311 // "mfc0 %1,$13;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	312 // "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	313 // "mfc0 %2,$9;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	314 // "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	315 // "mfc0 %3,$11;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	316 // "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	317 // : "=r"(sr), "=r"(cr), "=r"(ctr), "=r"(cpr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	318 // );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	319
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	320
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	321 // diag_printf("Status %08x ", sr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	322 // diag_printf("Cause %08x ", cr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	323 // diag_printf("Counter %08x ", ctr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	324 // diag_printf("Compare %08x\n", cpr);
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	325
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	326 #if 0
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	327 asm volatile (
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	328 "mfc0 %0,$12;"
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	329 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	330 : "=r"(sr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	331 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	332 diag_write_string("Status "); diag_write_hex( sr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	333
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	334 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	335 "mfc0 %0,$13;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	336 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	337 : "=r"(cr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	338 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	339 diag_write_string(" Cause "); diag_write_hex( cr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	340
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	341 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	342 "mfc0 %0,$9;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	343 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	344 : "=r"(ctr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	345 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	346 diag_write_string(" Counter "); diag_write_hex( ctr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	347
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	348 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	349 "mfc0 %0,$11;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	350 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	351 : "=r"(cpr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	352 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	353 diag_write_string(" Compare "); diag_write_hex( cpr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	354 diag_write_string( "\n" );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	355
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	356 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	357 #if 1
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	358 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	359 "mfc0 %0,$12;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	360 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	361 : "=r"(sr)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	362 );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	363
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	364 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	365 "mfc0 %0,$13;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	366 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	367 : "=r"(cr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	368 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	369
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	370 CYG_INSTRUMENT_USER( 1, sr, cr );
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	371
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	372 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	373 "mfc0 %0,$9;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	374 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	375 : "=r"(ctr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	376 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	377
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	378 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	379 "mfc0 %0,$11;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	380 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	381 : "=r"(cpr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	382 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	383
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	384 CYG_INSTRUMENT_USER( 2, ctr, cpr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	385 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	386
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	387 // if( count == 4 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	388 // {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	389 // HAL_ENABLE_INTERRUPTS();
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	390 // }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	391
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	392 // if( count >= 10 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	393 // for(;;);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	394 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	395 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	396 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	397
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	398 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	399 /* End of hal_misc.c */

Mercurial > flash_v2

annotate packages/hal/mips/arch/current/src/hal_misc.c @ 38:e7ba79f6d3a8 ecos-sw-1999-09-23