ecos: packages/redboot/current/src/syscall.c annotate

annotate packages/redboot/current/src/syscall.c @ 3292:7f8e529b4d82 default tip

Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.

author	vae
date	Wed, 29 Apr 2015 23:31:48 +0000
parents	74dbf4c3f2e1
children

rev	line source
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	1 /*==========================================================================
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	2 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	3 // syscall.c
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	4 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	5 // Redboot syscall handling for GNUPro bsp support
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	6 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	7 //==========================================================================
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	8 // ####ECOSGPLCOPYRIGHTBEGIN####
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	9 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	10 // This file is part of eCos, the Embedded Configurable Operating System.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	11 // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	12 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	13 // eCos is free software; you can redistribute it and/or modify it under
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	14 // the terms of the GNU General Public License as published by the Free
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	15 // Software Foundation; either version 2 or (at your option) any later
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	16 // version.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	17 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	18 // eCos is distributed in the hope that it will be useful, but WITHOUT
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	21 // for more details.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	22 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	23 // You should have received a copy of the GNU General Public License
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	26 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	27 // As a special exception, if other files instantiate templates or use
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	28 // macros or inline functions from this file, or you compile this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	29 // and link it with other works to produce a work based on this file,
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	30 // this file does not by itself cause the resulting work to be covered by
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	31 // the GNU General Public License. However the source code for this file
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	32 // must still be made available in accordance with section (3) of the GNU
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	33 // General Public License v2.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	34 //
2729 74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	35 // This exception does not invalidate any other reasons why a work based
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	36 // on this file might be covered by the GNU General Public License.
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	37 // -------------------------------------------
74dbf4c3f2e1 Update all copyright banners to reflect FSF ownership; fix and improve licence text. jlarmour parents: 1002 diff changeset	38 // ####ECOSGPLCOPYRIGHTEND####
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	39 //==========================================================================
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	40 //#####DESCRIPTIONBEGIN####
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	41 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	42 // Author(s): msalter
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	43 // Contributors: msalter
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	44 // Date: 1999-02-20
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	45 // Purpose: Temporary support for gnupro bsp
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	46 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	47 //####DESCRIPTIONEND####
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	48 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	49 //=========================================================================*/
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	50
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	51 #include <redboot.h>
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	52 #include <cyg/hal/hal_intr.h>
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	53 #include <cyg/hal/drv_api.h>
556 f2b5df359050 Support return to redboot from go msalter parents: 309 diff changeset	54 #include <cyg/hal/hal_stub.h>
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	55
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	56 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	57
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	58 #define NEWLIB_EIO 5 /* I/O error */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	59 #define NEWLIB_ENOSYS 88 /* Syscall not supported */
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	60
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	61 /*
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	62 * Clients of this BSP will need to have access to BSP functions and
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	63 * data structures. Because, the client and the BSP may not be linked
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	64 * together, a structure of vectors is used to gain this access. A
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	65 * pointer to this structure can be gotten via a syscall. This syscall
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	66 * is made automatically from within the crt0.o file.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	67 */
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	68 typedef struct {
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	69 int version; /* version number for future expansion */
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	70 const void **__ictrl_table;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	71 void **__exc_table;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	72 void *__dbg_vector;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	73 void *__kill_vector;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	74 void *__console_procs;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	75 void *__debug_procs;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	76 void (__flush_dcache)(void __p, int __nbytes);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	77 void (__flush_icache)(void __p, int __nbytes);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	78 void *__cpu_data;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	79 void *__board_data;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	80 void *__sysinfo;
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	81 int (*__set_debug_comm)(int __comm_id);
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	82 int (*__set_console_comm)(int __comm_id);
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	83 int (*__set_serial_baud)(int __comm_id, int baud);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	84 void *__dbg_data;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	85 void (*__reset)(void);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	86 int __console_interrupt_flag;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	87 } __shared_t;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	88
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	89 static __shared_t __shared_data = { 2 };
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	90
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	91 // this is used by newlib's mode_t so we should match it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	92 #ifdef __GNUC__
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	93 #define _ST_INT32 __attribute__ ((__mode__ (__SI__)))
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	94 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	95 #define _ST_INT32
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	96 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	97 typedef unsigned int newlib_mode_t _ST_INT32;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	98 typedef short newlib_dev_t;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	99 typedef unsigned short newlib_ino_t;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	100 typedef unsigned short newlib_nlink_t;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	101 typedef long newlib_off_t;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	102 typedef unsigned short newlib_uid_t;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	103 typedef unsigned short newlib_gid_t;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	104 typedef long newlib_time_t;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	105 typedef long newlib_long_t;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	106
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	107 struct newlib_stat
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	108 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	109 newlib_dev_t st_dev;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	110 newlib_ino_t st_ino;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	111 newlib_mode_t st_mode;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	112 newlib_nlink_t st_nlink;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	113 newlib_uid_t st_uid;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	114 newlib_gid_t st_gid;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	115 newlib_dev_t st_rdev;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	116 newlib_off_t st_size;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	117 // We assume we've been compiled with the same flags as newlib here
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	118 #if defined(__svr4__) && !defined(__PPC__) && !defined(__sun__)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	119 newlib_time_t st_atime;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	120 newlib_time_t st_mtime;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	121 newlib_time_t st_ctime;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	122 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	123 newlib_time_t st_atime;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	124 newlib_long_t st_spare1;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	125 newlib_time_t st_mtime;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	126 newlib_long_t st_spare2;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	127 newlib_time_t st_ctime;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	128 newlib_long_t st_spare3;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	129 newlib_long_t st_blksize;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	130 newlib_long_t st_blocks;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	131 newlib_long_t st_spare4[2];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	132 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	133 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	134 #define NEWLIB_S_IFCHR 0020000 // character special file
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	135
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	136 static inline char __getc(void)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	137 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	138 char c;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	139 hal_virtual_comm_table_t* __chan = CYGACC_CALL_IF_CONSOLE_PROCS();
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	140
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	141 if (__chan)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	142 c = CYGACC_COMM_IF_GETC(*__chan);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	143 else {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	144 __chan = CYGACC_CALL_IF_DEBUG_PROCS();
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	145 c = CYGACC_COMM_IF_GETC(*__chan);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	146 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	147 return c;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	148 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	149
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	150 static inline void __putc(char c)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	151 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	152 hal_virtual_comm_table_t* __chan = CYGACC_CALL_IF_CONSOLE_PROCS();
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	153 if (__chan)
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	154 CYGACC_COMM_IF_PUTC(*__chan, c);
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	155 else {
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	156 __chan = CYGACC_CALL_IF_DEBUG_PROCS();
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	157 CYGACC_COMM_IF_PUTC(*__chan, c);
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	158 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	159 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	160
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	161
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	162 static inline void __flush(void)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	163 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	164 hal_virtual_comm_table_t* __chan = CYGACC_CALL_IF_CONSOLE_PROCS();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	165
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	166 if (__chan == NULL)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	167 __chan = CYGACC_CALL_IF_DEBUG_PROCS();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	168
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	169 CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_FLUSH_OUTPUT);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	170 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	171
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	172 // Timer support
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	173
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	174 static cyg_handle_t sys_timer_handle;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	175 static cyg_interrupt sys_timer_interrupt;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	176 static cyg_uint64 sys_timer_ticks = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	177
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	178 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	179
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	180 static unsigned int set_period = CYGNUM_HAL_RTC_PERIOD; // The default
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	181
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	182 typedef void callback_func( char pc, char *sp );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	183 static callback_func *timer_callback = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	184
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	185 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	186
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	187 static void
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	188 sys_timer_dsr(cyg_vector_t vector, cyg_ucount32 count, cyg_addrword_t data)
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	189 {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	190 // do nothing
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	191 }
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	192
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	193
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	194 static cyg_uint32
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	195 sys_timer_isr(cyg_vector_t vector, cyg_addrword_t data)
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	196 {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	197 ++sys_timer_ticks;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	198
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	199 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	200 HAL_CLOCK_RESET(CYGNUM_HAL_INTERRUPT_RTC, set_period);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	201 #else
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	202 HAL_CLOCK_RESET(CYGNUM_HAL_INTERRUPT_RTC, CYGNUM_HAL_RTC_PERIOD);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	203 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	204
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	205 cyg_drv_interrupt_acknowledge(CYGNUM_HAL_INTERRUPT_RTC);
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	206
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	207 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	208 if ( timer_callback ) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	209 char intrpc = (char )0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	210 char intrsp = (char )0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	211
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	212 // There may be a number of ways to get the PC and (optional) SP
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	213 // information out of the HAL. Hence this is conditioned. In some
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	214 // configurations, a register-set pointer is available as
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	215 // (invisible) argument 3 to this ISR call.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	216
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	217 #ifdef HAL_GET_PROFILE_INFO
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	218 HAL_GET_PROFILE_INFO( intrpc, intrsp );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	219 #endif // HAL_GET_PROFILE_INFO available
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	220
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	221 CYGARC_HAL_SAVE_GP();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	222 timer_callback( intrpc, intrsp );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	223 CYGARC_HAL_RESTORE_GP();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	224 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	225 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
556 f2b5df359050 Support return to redboot from go msalter parents: 309 diff changeset	226 return CYG_ISR_HANDLED;
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	227 }
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	228
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	229
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	230 static void sys_timer_init(void)
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	231 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	232 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	233 HAL_CLOCK_INITIALIZE(set_period);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	234 #else
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	235 HAL_CLOCK_INITIALIZE(CYGNUM_HAL_RTC_PERIOD);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	236 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	237
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	238 cyg_drv_interrupt_create(
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	239 CYGNUM_HAL_INTERRUPT_RTC,
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	240 0, // Priority - unused
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	241 (CYG_ADDRWORD)0, // Data item passed to ISR & DSR
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	242 sys_timer_isr, // ISR
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	243 sys_timer_dsr, // DSR
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	244 &sys_timer_handle, // handle to intr obj
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	245 &sys_timer_interrupt ); // space for int obj
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	246
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	247 cyg_drv_interrupt_attach(sys_timer_handle);
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	248
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	249 cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_RTC);
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	250 }
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	251
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	252
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	253 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	254 // read -- read bytes from the serial port. Ignore fd, since
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	255 // we only have stdin.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	256 static int
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	257 sys_read(int fd, char *buf, int nbytes)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	258 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	259 int i = 0;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	260
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	261 for (i = 0; i < nbytes; i++) {
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	262 *(buf + i) = __getc();
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	263 if (((buf + i) == '\n') \|\| ((buf + i) == '\r')) {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	264 (*(buf + i + 1)) = 0;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	265 break;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	266 }
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	267 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	268 return (i);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	269 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	270
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	271
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	272 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	273 // write -- write bytes to the serial port. Ignore fd, since
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	274 // stdout and stderr are the same. Since we have no filesystem,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	275 // open will only return an error.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	276 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	277 static int
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	278 sys_write(int fd, char *buf, int nbytes)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	279 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	280 #define WBUFSIZE 256
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	281 int tosend;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	282
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	283 tosend = nbytes;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	284
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	285 while (tosend > 0) {
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	286 if (*buf == '\n')
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	287 __putc('\r');
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	288 __putc(*buf++);
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	289 tosend--;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	290 }
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	291 __flush();
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	292
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	293 return (nbytes);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	294 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	295
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	296
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	297 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	298 // open -- open a file descriptor. We don't have a filesystem, so
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	299 // we return an error.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	300 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	301 static int
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	302 sys_open (const char *buf, int flags, int mode)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	303 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	304 return (-NEWLIB_EIO);
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	305 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	306
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	307 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	308 // close -- We don't need to do anything, but pretend we did.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	309 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	310 static int
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	311 sys_close(int fd)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	312 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	313 return (0);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	314 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	315
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	316
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	317 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	318 // lseek -- Since a serial port is non-seekable, we return an error.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	319 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	320 static int
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	321 sys_lseek(int fd, int offset, int whence)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	322 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	323 return (-NEWLIB_EIO);
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	324 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	325
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	326
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	327 #define NS_PER_TICK (CYGNUM_HAL_RTC_NUMERATOR/CYGNUM_HAL_RTC_DENOMINATOR)
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	328 #define TICKS_PER_SEC (1000000000ULL / NS_PER_TICK)
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	329
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	330 // This needs to match newlib HZ which is normally 60.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	331 #define HZ (60ULL)
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	332
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	333 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	334 static unsigned int set_freq = TICKS_PER_SEC; // The default
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	335 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	336 static int
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 182 diff changeset	337 sys_times(unsigned long *p)
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	338 {
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	339 static int inited = 0;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	340
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	341 if (!inited) {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	342 inited = 1;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	343 sys_timer_init();
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	344 }
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	345
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	346 /* target clock runs at CLOCKS_PER_SEC. Convert to HZ */
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	347 if (p)
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	348 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	349 p = (sys_timer_ticks HZ) / (cyg_uint64)set_freq;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	350 #else
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	351 p = (sys_timer_ticks HZ) / TICKS_PER_SEC;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	352 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	353
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	354 return 0;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	355 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	356
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	357 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	358
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	359 static void sys_profile_call_back( char func, char *previous_call_back )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	360 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	361 if ( previous_call_back )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	362 previous_call_back = (char )timer_callback;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	363
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	364 timer_callback = (callback_func *)func;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	365
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	366 // Ensure the timer is started
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	367 (void)sys_times( (unsigned long *)0 );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	368 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	369
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	370 static void sys_profile_frequency( int freq, int *previous_freq )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	371 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	372 // Requested HZ:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	373 // 0 => tell me the current value (no change, IMPLEMENTED HERE)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	374 // - 1 => tell me the slowest (no change)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	375 // - 2 => tell me the default (no change, IMPLEMENTED HERE)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	376 // -nnn => tell me what you would choose for nnn (no change)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	377 // MIN_INT => tell me the fastest (no change)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	378 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	379 // 1 => tell me the slowest (sets the clock)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	380 // MAX_INT => tell me the fastest (sets the clock)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	381
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	382 // Ensure the timer is started
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	383 (void)sys_times( (unsigned long *)0 );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	384
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	385 if ( -2 == freq )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	386 freq = TICKS_PER_SEC; // default value
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	387 else if ( 0 == freq )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	388 freq = set_freq; // collect current value
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	389 else {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	390 int do_set_freq = (freq > 0);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	391 unsigned int period = CYGNUM_HAL_RTC_PERIOD;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	392
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	393 if ( 0 == (freq ^ -freq) ) // Then it's MIN_INT in local size
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	394 freq++; // just so that it will negate correctly
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	395
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	396 // Then set the timer to that fast - or pass on the enquiry
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	397 #ifdef HAL_CLOCK_REINITIALIZE
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	398 // Give the HAL enough info to do the division sum relative to
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	399 // the default setup, in period and TICKS_PER_SEC.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	400 HAL_CLOCK_REINITIALIZE( freq, period, TICKS_PER_SEC );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	401 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	402 freq = TICKS_PER_SEC; // the only choice
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	403 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	404 if ( do_set_freq ) { // update the global variables
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	405 unsigned int orig = set_freq;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	406 set_freq = freq;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	407 set_period = period;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	408 // We must "correct" sys_timer_ticks for the new scale factor.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	409 sys_timer_ticks = sys_timer_ticks * set_freq / orig;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	410 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	411 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	412
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	413 if ( previous_freq ) // Return the current value (new value)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	414 *previous_freq = freq;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	415 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	416
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	417 void sys_profile_reset( void )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	418 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	419 timer_callback = NULL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	420 // Want to preserve the frequency between runs, for clever GDB users!
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	421 // sys_profile_frequency( TICKS_PER_SEC, NULL );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	422 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	423
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	424 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	425
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	426 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	427 // Generic syscall handler.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	428 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	429 // Returns 0 if syscall number is not handled by this
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	430 // module, 1 otherwise. This allows applications to
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	431 // extend the syscall handler by using exception chaining.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	432 //
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 136 diff changeset	433 CYG_ADDRWORD
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	434 __do_syscall(CYG_ADDRWORD func, // syscall function number
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	435 CYG_ADDRWORD arg1, CYG_ADDRWORD arg2, // up to four args.
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	436 CYG_ADDRWORD arg3, CYG_ADDRWORD arg4,
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	437 CYG_ADDRWORD retval, CYG_ADDRWORD sig) // syscall return value
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	438 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	439 int err = 0;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	440 *sig = 0;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	441
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	442 switch (func) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	443
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	444 case SYS_open:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	445 {
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	446 #ifdef CYGPKG_HAL_GDB_FILEIO // File I/O over the GDB remote protocol
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	447 __externC int cyg_hal_gdbfileio_open( const char *name, int flags,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	448 int mode, int *sig );
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	449 if (gdb_active)
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	450 err = cyg_hal_gdbfileio_open((const char *)arg1, (int)arg2, (int)arg3,
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	451 (int *)sig);
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	452 else
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	453 #endif
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	454 err = sys_open((const char *)arg1, (int)arg2, (int)arg3);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	455 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	456 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	457 case SYS_read:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	458 {
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	459 #ifdef CYGPKG_HAL_GDB_FILEIO // File I/O over the GDB remote protocol
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	460 __externC int cyg_hal_gdbfileio_read( int fd, void *buf, size_t count,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	461 int *sig );
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	462 if (gdb_active)
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	463 err = cyg_hal_gdbfileio_read((int)arg1, (void *)arg2, (size_t)arg3,
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	464 (int *)sig);
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	465 else
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	466 #endif
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	467 err = sys_read((int)arg1, (char *)arg2, (int)arg3);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	468 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	469 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	470 case SYS_write:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	471 {
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	472 #ifdef CYGPKG_HAL_GDB_FILEIO // File I/O over the GDB remote protocol
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	473 __externC int cyg_hal_gdbfileio_write( int fd, const void *buf,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	474 size_t count, int *sig );
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	475 if (gdb_active)
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	476 err = cyg_hal_gdbfileio_write((int)arg1, (const void *)arg2,
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	477 (size_t)arg3, (int *)sig);
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	478 else
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	479 #endif
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	480 err = sys_write((int)arg1, (char *)arg2, (int)arg3);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	481 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	482 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	483 case SYS_close:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	484 {
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	485 #ifdef CYGPKG_HAL_GDB_FILEIO // File I/O over the GDB remote protocol
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	486 __externC int cyg_hal_gdbfileio_close( int fd, int *sig );
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	487 if (gdb_active)
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	488 err = cyg_hal_gdbfileio_close((int)arg1, (int *)sig);
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	489 else
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	490 #endif
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	491 err = sys_close((int)arg1);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	492 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	493 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	494 case SYS_lseek:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	495 {
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	496 #ifdef CYGPKG_HAL_GDB_FILEIO // File I/O over the GDB remote protocol
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	497 __externC int cyg_hal_gdbfileio_lseek( int fd, long offset,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	498 int whence, int *sig );
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	499 if (gdb_active)
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	500 err = cyg_hal_gdbfileio_lseek((int)arg1, (long)arg2, (int)arg3,
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	501 (int *)sig);
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	502 else
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	503 #endif
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	504 err = sys_lseek((int)arg1, (int)arg2, (int)arg3);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	505 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	506 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	507 case SYS_stat:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	508 {
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	509 #ifdef CYGPKG_HAL_GDB_FILEIO // File I/O over the GDB remote protocol
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	510 __externC int cyg_hal_gdbfileio_stat( const char *pathname,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	511 void statbuf, int sig );
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	512 if (gdb_active)
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	513 err = cyg_hal_gdbfileio_stat((const char )arg1, (void )arg2,
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	514 (int *)sig);
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	515 else
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	516 #endif
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	517 err = -NEWLIB_ENOSYS;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	518 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	519 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	520 case SYS_fstat:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	521 {
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	522 #ifdef CYGPKG_HAL_GDB_FILEIO // File I/O over the GDB remote protocol
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	523 __externC int cyg_hal_gdbfileio_fstat( int fd, void *statbuf,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	524 int *sig );
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	525 if (gdb_active)
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	526 err = cyg_hal_gdbfileio_fstat((int)arg1, (void *)arg2,
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	527 (int *)sig);
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	528 else
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	529 #endif
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	530 {
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	531 struct newlib_stat st = (struct newlib_stat )arg2;
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	532 st->st_mode = NEWLIB_S_IFCHR;
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	533 st->st_blksize = 4096;
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	534 err = 0;
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	535 }
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	536 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	537 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	538 case SYS_rename:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	539 {
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	540 #ifdef CYGPKG_HAL_GDB_FILEIO // File I/O over the GDB remote protocol
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	541 __externC int cyg_hal_gdbfileio_rename( const char *oldpath,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	542 const char *newpath,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	543 int *sig );
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	544 if (gdb_active)
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	545 err = cyg_hal_gdbfileio_rename((const char )arg1, (const char )arg2,
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	546 (int *)sig);
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	547 else
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	548 #endif
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	549 err = -NEWLIB_ENOSYS;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	550 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	551 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	552 case SYS_unlink:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	553 {
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	554 #ifdef CYGPKG_HAL_GDB_FILEIO // File I/O over the GDB remote protocol
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	555 __externC int cyg_hal_gdbfileio_unlink( const char *pathname,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	556 int *sig );
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	557 if (gdb_active)
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	558 err = cyg_hal_gdbfileio_unlink((const char )arg1, (int )sig);
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	559 else
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	560 #endif
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	561 err = -NEWLIB_ENOSYS;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	562 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	563 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	564 case SYS_isatty:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	565 {
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	566 #ifdef CYGPKG_HAL_GDB_FILEIO // File I/O over the GDB remote protocol
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	567 __externC int cyg_hal_gdbfileio_isatty( int fd, int *sig );
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	568 if (gdb_active)
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	569 err = cyg_hal_gdbfileio_isatty((int)arg1, (int *)sig);
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	570 else
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	571 #endif
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	572 err = 1;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	573 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	574 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	575 case SYS_system:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	576 {
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	577 #ifdef CYGPKG_HAL_GDB_FILEIO // File I/O over the GDB remote protocol
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	578 __externC int cyg_hal_gdbfileio_system( const char *command,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	579 int *sig );
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	580 if (gdb_active)
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	581 err = cyg_hal_gdbfileio_system((const char )arg1, (int )sig);
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	582 else
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	583 #endif
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	584 err = -1;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	585 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	586 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	587 case SYS_gettimeofday:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	588 {
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	589 #ifdef CYGPKG_HAL_GDB_FILEIO // File I/O over the GDB remote protocol
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	590 __externC int cyg_hal_gdbfileio_gettimeofday( void tv, void tz,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	591 int *sig );
309 59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	592 if (gdb_active)
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	593 err = cyg_hal_gdbfileio_gettimeofday((void )arg1, (void )arg2,
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	594 (int *)sig);
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	595 else
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	596 #endif
59d0679e58c3 fileio tweak msalter parents: 210 diff changeset	597 err = 0;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	598 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	599 }
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	600 case SYS_utime:
191 678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 182 diff changeset	601 // FIXME. Some libglosses depend on this behavior.
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 182 diff changeset	602 err = sys_times((unsigned long *)arg1);
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 182 diff changeset	603 break;
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 182 diff changeset	604
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 182 diff changeset	605 case SYS_times:
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST jlarmour parents: 182 diff changeset	606 err = sys_times((unsigned long *)arg1);
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	607 break;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	608
151 25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 136 diff changeset	609 case SYS_meminfo:
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 136 diff changeset	610 err = 1;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 136 diff changeset	611 (unsigned long )arg1 = (unsigned long)(ram_end-ram_start);
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 136 diff changeset	612 (unsigned long )arg2 = (unsigned long)ram_end;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT jlarmour parents: 136 diff changeset	613 break;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	614 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	615 case SYS_timer_call_back:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	616 sys_profile_call_back( (char )arg1, (char *)arg2 );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	617 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	618
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	619 case SYS_timer_frequency:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	620 sys_profile_frequency( (int)arg1, (unsigned int *)arg2 );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	621 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	622
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	623 case SYS_timer_reset:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	624 sys_profile_reset();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	625 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	626
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 202 diff changeset	627 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	628 case __GET_SHARED:
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	629 (__shared_t *)arg1 = &__shared_data;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	630 break;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	631
556 f2b5df359050 Support return to redboot from go msalter parents: 309 diff changeset	632 case SYS_exit:
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 556 diff changeset	633 *sig = -1; // signal exit
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 556 diff changeset	634 err = arg1;
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 556 diff changeset	635
556 f2b5df359050 Support return to redboot from go msalter parents: 309 diff changeset	636 if (gdb_active) {
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 556 diff changeset	637 #ifdef CYGOPT_REDBOOT_BSP_SYSCALLS_EXIT_WITHOUT_TRAP
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 556 diff changeset	638 __send_exit_status((int)arg1);
609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 556 diff changeset	639 #else
556 f2b5df359050 Support return to redboot from go msalter parents: 309 diff changeset	640 *sig = SIGTRAP;
f2b5df359050 Support return to redboot from go msalter parents: 309 diff changeset	641 err = func;
1002 609c8b1447ee HAL enhancements from Pierre Habraken msalter parents: 556 diff changeset	642 #endif // CYGOPT_REDBOOT_BSP_SYSCALLS_EXIT_WITHOUT_TRAP
556 f2b5df359050 Support return to redboot from go msalter parents: 309 diff changeset	643 }
f2b5df359050 Support return to redboot from go msalter parents: 309 diff changeset	644 break;
f2b5df359050 Support return to redboot from go msalter parents: 309 diff changeset	645
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	646 default:
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 151 diff changeset	647 return 0;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	648 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	649
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	650 *retval = err;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	651 return 1;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	652 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	653
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: diff changeset	654 #endif

Mercurial > ecos

annotate packages/redboot/current/src/syscall.c @ 3292:7f8e529b4d82 default tip