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

annotate packages/hal/mips/arch/current/src/hal_misc.c @ 36:e97d78785e2d ecos-sw-1999-09-12

Merge from eCos master repository on 1999-09-12-15:40:34-BST

author	jlarmour
date	Sun, 12 Sep 1999 15:26:05 +0000
parents	4741a3c3496a
children	e7ba79f6d3a8

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
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	75 externC void exception_handler(HAL_SavedRegisters *regs)
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) )
4741a3c3496a Merge from eCos master repository on 1999-07-23-05:47:06-BST jlarmour parents: 18 diff changeset	87 return;
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;
e97d78785e2d Merge from eCos master repository on 1999-09-12-15:40:34-BST jlarmour parents: 26 diff changeset	97 return; // Caught an exception inside stubs
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
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	120 return;
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
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	140 #endif
d3fbcdfa1b2f Merge from eCos master repository on 1999-05-29-00:13:11-BST jlarmour parents: 6 diff changeset	141
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	142 CYG_TRACE1(true, "Interrupt: %d", vector);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	143 CYG_FAIL("Spurious Interrupt!!!");
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	144 return 0;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	145 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	146
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	147 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	148 /* data copy and bss zero functions */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	149
16 4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	150 typedef void (CYG_SYM_ADDRESS)(void);
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	151
16 4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	152 // 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	153 // 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	154 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	155 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	156 extern CYG_SYM_ADDRESS __rom_data_start;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	157
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	158 #ifdef CYG_HAL_STARTUP_ROM
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	159 void hal_copy_data(void)
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 char p = (char )&__ram_data_start;
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	162 char q = (char )&__rom_data_start;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	163
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	164 while( p != (char *)&__ram_data_end )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	165 p++ = q++;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	166 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	167 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	168
16 4f2df4ab82c8 Merge from eCos master repository on 1999-06-18-15:25:04-BST jlarmour parents: 12 diff changeset	169 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	170 extern CYG_SYM_ADDRESS __bss_end;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	171
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	172 void hal_zero_bss(void)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	173 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	174 char p = (char )&__bss_start;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	175
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	176 while( p != (char *)&__bss_end )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	177 *p++ = 0;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	178 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	179
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	180 /------------------------------------------------------------------------/
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	181
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	182 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	183 cyg_bool cyg_hal_stop_constructors;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	184 #endif
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	185
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	186 typedef void (*pfunc) (void);
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	187 extern pfunc __CTOR_LIST__[];
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	188 extern pfunc __CTOR_END__[];
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 void
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	191 cyg_hal_invoke_constructors(void)
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
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	194 static pfunc *p = &__CTOR_END__[-1];
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	195
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	196 cyg_hal_stop_constructors = 0;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	197 for (; p >= __CTOR_LIST__; p--) {
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	198 (*p) ();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	199 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	200 p--;
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	201 break;
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	202 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	203 }
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	204 #else
12 4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	205 pfunc *p;
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	206
4cc3eff958ab Merge from eCos master repository on 1999-06-04-22:24:56-BST jlarmour parents: 10 diff changeset	207 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	208 (*p) ();
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	209 #endif
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	210
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	211 } // cyg_hal_invoke_constructors()
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	212
2 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 /* Determine the index of the ls bit of the supplied mask. */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	215
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	216 cyg_uint32 hal_lsbit_index(cyg_uint32 mask)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	217 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	218 cyg_uint32 n = mask;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	219
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	220 static const signed char tab[64] =
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	221 { -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	222 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	223 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	224 0, 23, 0, 19, 29, 0, 22, 18, 28, 17, 16, 0
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	225 };
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	226
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	227 n &= ~(n-1UL);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	228 n = (n<<16)-n;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	229 n = (n<<6)+n;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	230 n = (n<<4)+n;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	231
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	232 return tab[n>>26];
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	233 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	234
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	235 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	236 /* Determine the index of the ms bit of the supplied mask. */
0 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 cyg_uint32 hal_msbit_index(cyg_uint32 mask)
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	239 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	240 cyg_uint32 x = mask;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	241 cyg_uint32 w;
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 /* 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	244 x \|= x >> 16;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	245 x \|= x >> 8;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	246 x \|= x >> 4;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	247 x \|= x >> 2;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	248 x \|= x >> 1;
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	249
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	250 /* Phase 2: calculate number of "1" bits in the word */
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	251 w = (x & 0x55555555) + ((x >> 1) & 0x55555555);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	252 w = (w & 0x33333333) + ((w >> 2) & 0x33333333);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	253 w = w + (w >> 4);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	254 w = (w & 0x000F000F) + ((w >> 8) & 0x000F000F);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	255 return (cyg_uint32)((w + (w >> 16)) & 0xFF);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	256
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	257 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	258
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	259 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	260 /* Idle thread action */
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	261
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	262 #include <cyg/infra/diag.h>
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	263
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	264 void hal_idle_thread_action( cyg_uint32 count )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	265 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	266 #if 0 //def CYG_HAL_MIPS_SIM
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	267 if( (count % 1000) == 0 )
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 // This code causes a fake interrupt.
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	270 asm volatile (
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	271 "xor $24,$24,$24;"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	272 "mtc0 $24,$13;"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	273 "lui $25,%%hi(1f);"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	274 "ori $25,$25,%%lo(1f);"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	275 "j other_vector;"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	276 "nop;"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	277 "1:"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	278 :
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	279 :
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	280 : "t8", "t9"
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	281 );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	282 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	283 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	284 #if 0 //def CYG_HAL_MIPS_JMR3904
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	285
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	286 if( (count % 100000 ) == 0 )
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	287 {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	288 // 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	289 cyg_uint32 sr = 0, cr = 0, ctr = 0, cpr = 0;
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	290 // HAL_CLOCK_READ( &tval );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	291 // HAL_READ_UINT32( 0xFFFFC000, isr );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	292 // HAL_READ_UINT32( 0xFFFFC004, imr );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	293 // HAL_READ_UINT32( 0xFFFFC01C, ilr );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	294 // CYG_TRACE2(1, "Timer value, ISR ",tval, isr);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	295 // CYG_TRACE2(1, "IMR ILR0 ", imr, ilr);
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 // asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	298 // "mfc0 %0,$12;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	299 // "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	300 // "mfc0 %1,$13;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	301 // "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	302 // "mfc0 %2,$9;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	303 // "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	304 // "mfc0 %3,$11;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	305 // "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	306 // : "=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	307 // );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	308
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	309
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	310 // diag_printf("Status %08x ", sr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	311 // diag_printf("Cause %08x ", cr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	312 // diag_printf("Counter %08x ", ctr );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	313 // 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	314
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	315 #if 0
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	316 asm volatile (
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	317 "mfc0 %0,$12;"
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	318 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	319 : "=r"(sr)
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_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	322
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	323 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	324 "mfc0 %0,$13;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	325 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	326 : "=r"(cr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	327 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	328 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	329
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	330 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	331 "mfc0 %0,$9;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	332 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	333 : "=r"(ctr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	334 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	335 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	336
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	337 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	338 "mfc0 %0,$11;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	339 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	340 : "=r"(cpr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	341 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	342 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	343 diag_write_string( "\n" );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	344
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	345 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	346 #if 1
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	347 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	348 "mfc0 %0,$12;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	349 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	350 : "=r"(sr)
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	351 );
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	352
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	353 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	354 "mfc0 %0,$13;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	355 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	356 : "=r"(cr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	357 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	358
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	359 CYG_INSTRUMENT_USER( 1, sr, cr );
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	360
6 d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	361 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	362 "mfc0 %0,$9;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	363 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	364 : "=r"(ctr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	365 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	366
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	367 asm volatile (
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	368 "mfc0 %0,$11;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	369 "nop; nop; nop;"
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	370 : "=r"(cpr)
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	371 );
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	372
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	373 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	374 #endif
d376b777e2ce Merge from eCos master repository on 1999-05-14-19:27:43-BST jlarmour parents: 2 diff changeset	375
0 3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	376 // if( count == 4 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	377 // {
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	378 // HAL_ENABLE_INTERRUPTS();
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	379 // }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	380
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	381 // if( count >= 10 )
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	382 // for(;;);
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	383 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	384 #endif
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	385 }
3111d98ba7b3 Initial commit of eCos version 1.1 jlarmour parents: diff changeset	386
2 443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	387 /------------------------------------------------------------------------/
443894e2e912 Block commit of eCos version 1.2.1 jlarmour parents: 0 diff changeset	388 /* End of hal_misc.c */

Mercurial > ecos

annotate packages/hal/mips/arch/current/src/hal_misc.c @ 36:e97d78785e2d ecos-sw-1999-09-12