Mercurial > ecos

annotate packages/redboot/current/src/syscall.c @ 1002:609c8b1447ee

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
HAL enhancements from Pierre Habraken
author msalter
date Tue, 06 May 2003 21:00:18 +0000
parents f2b5df359050
children 74dbf4c3f2e1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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 //==========================================================================
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
8 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
9 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
10 // This file is part of eCos, the Embedded Configurable Operating System.
556
f2b5df359050 Support return to redboot from go
msalter
parents: 309
diff changeset
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
12 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
13 // eCos is free software; you can redistribute it and/or modify it under
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
14 // the terms of the GNU General Public License as published by the Free
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
15 // Software Foundation; either version 2 or (at your option) any later version.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
16 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
20 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
21 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
22 // You should have received a copy of the GNU General Public License along
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
23 // with eCos; if not, write to the Free Software Foundation, Inc.,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
25 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
26 // As a special exception, if other files instantiate templates or use macros
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
27 // or inline functions from this file, or you compile this file and link it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
28 // with other works to produce a work based on this file, this file does not
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
29 // by itself cause the resulting work to be covered by the GNU General Public
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
30 // License. However the source code for this file must still be made available
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
31 // in accordance with section (3) of the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
32 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
33 // This exception does not invalidate any other reasons why a work based on
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
34 // this file might be covered by the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
35 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210
d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST
jlarmour
parents: 208
diff changeset
37 // at http://sources.redhat.com/ecos/ecos-license/
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
38 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
39 //####ECOSGPLCOPYRIGHTEND####
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
40 //==========================================================================
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
41 //#####DESCRIPTIONBEGIN####
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
42 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
43 // Author(s): msalter
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
44 // Contributors: msalter
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
45 // Date: 1999-02-20
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
46 // Purpose: Temporary support for gnupro bsp
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
47 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
48 //####DESCRIPTIONEND####
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
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
52 #include <redboot.h>
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
53 #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
54 #include <cyg/hal/drv_api.h>
556
f2b5df359050 Support return to redboot from go
msalter
parents: 309
diff changeset
55 #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
56
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
57 #ifdef CYGSEM_REDBOOT_BSP_SYSCALLS
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
58
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
59 #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
60 #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
61
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
62 /*
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
63 * 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
64 * 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
65 * 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
66 * 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
67 * 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
68 */
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
69 typedef struct {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
70 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
71 const void **__ictrl_table;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
72 void **__exc_table;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
73 void *__dbg_vector;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
74 void *__kill_vector;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
75 void *__console_procs;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
76 void *__debug_procs;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
77 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
78 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
79 void *__cpu_data;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
80 void *__board_data;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
81 void *__sysinfo;
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
82 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
83 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
84 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
85 void *__dbg_data;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
86 void (*__reset)(void);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
87 int __console_interrupt_flag;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
88 } __shared_t;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
89
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
90 static __shared_t __shared_data = { 2 };
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
91
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
92 // 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
93 #ifdef __GNUC__
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
94 #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
95 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
96 #define _ST_INT32
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
97 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
98 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
99 typedef short newlib_dev_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_ino_t;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
101 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
102 typedef long newlib_off_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_uid_t;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
104 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
105 typedef long newlib_time_t;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
106 typedef long newlib_long_t;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
107
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
108 struct newlib_stat
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
109 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
110 newlib_dev_t st_dev;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
111 newlib_ino_t st_ino;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
112 newlib_mode_t st_mode;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
113 newlib_nlink_t st_nlink;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
114 newlib_uid_t st_uid;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
115 newlib_gid_t st_gid;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
116 newlib_dev_t st_rdev;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
117 newlib_off_t st_size;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
118 // 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
119 #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
120 newlib_time_t st_atime;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
121 newlib_time_t st_mtime;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
122 newlib_time_t st_ctime;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
123 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
124 newlib_time_t st_atime;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
125 newlib_long_t st_spare1;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
126 newlib_time_t st_mtime;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
127 newlib_long_t st_spare2;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
128 newlib_time_t st_ctime;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
129 newlib_long_t st_spare3;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
130 newlib_long_t st_blksize;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
131 newlib_long_t st_blocks;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
132 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
133 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
134 };
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
135 #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
136
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
137 static inline char __getc(void)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
138 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
139 char c;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
140 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
141
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
142 if (__chan)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
143 c = CYGACC_COMM_IF_GETC(*__chan);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
144 else {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
145 __chan = CYGACC_CALL_IF_DEBUG_PROCS();
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
146 c = CYGACC_COMM_IF_GETC(*__chan);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
147 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
148 return c;
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
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
151 static inline void __putc(char c)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
152 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
153 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
154 if (__chan)
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
155 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
156 else {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
157 __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
158 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
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
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
162
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
163 static inline void __flush(void)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
164 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
165 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
166
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
167 if (__chan == NULL)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
168 __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
169
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
170 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
171 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
172
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
173 // Timer support
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
174
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
175 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
176 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
177 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
178
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
179 #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
180
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
181 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
182
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
183 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
184 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
185
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
186 #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
187
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
188 static void
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
189 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
190 {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
191 // do nothing
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
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
195 static cyg_uint32
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
196 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
197 {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
198 ++sys_timer_ticks;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
199
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
200 #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
201 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
202 #else
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
203 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
204 #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
205
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
206 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
207
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
208 #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
209 if ( timer_callback ) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
210 char *intrpc = (char *)0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
211 char *intrsp = (char *)0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
212
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
213 // 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
214 // 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
215 // 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
216 // (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
217
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
218 #ifdef HAL_GET_PROFILE_INFO
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
219 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
220 #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
221
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
222 CYGARC_HAL_SAVE_GP();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
223 timer_callback( intrpc, intrsp );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
224 CYGARC_HAL_RESTORE_GP();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
225 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
226 #endif // CYGSEM_REDBOOT_BSP_SYSCALLS_GPROF
556
f2b5df359050 Support return to redboot from go
msalter
parents: 309
diff changeset
227 return CYG_ISR_HANDLED;
182
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
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
231 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
232 {
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
233 #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
234 HAL_CLOCK_INITIALIZE(set_period);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
235 #else
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
236 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
237 #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
238
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
239 cyg_drv_interrupt_create(
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
240 CYGNUM_HAL_INTERRUPT_RTC,
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
241 0, // Priority - unused
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
242 (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
243 sys_timer_isr, // ISR
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
244 sys_timer_dsr, // DSR
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
245 &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
246 &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
247
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
248 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
249
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
250 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
251 }
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
252
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
253
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
254 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
255 // 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
256 // we only have stdin.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
257 static int
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
258 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
259 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
260 int i = 0;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
261
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
262 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
263 *(buf + i) = __getc();
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
264 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
265 (*(buf + i + 1)) = 0;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
266 break;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
267 }
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
268 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
269 return (i);
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 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
274 // 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
275 // 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
276 // open will only return an error.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
277 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
278 static int
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
279 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
280 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
281 #define WBUFSIZE 256
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
282 int tosend;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
283
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
284 tosend = nbytes;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
285
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
286 while (tosend > 0) {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
287 if (*buf == '\n')
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
288 __putc('\r');
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
289 __putc(*buf++);
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
290 tosend--;
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
291 }
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
292 __flush();
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
293
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
294 return (nbytes);
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 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
299 // 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
300 // we return an error.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
301 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
302 static int
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
303 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
304 {
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
305 return (-NEWLIB_EIO);
136
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 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
309 // 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
310 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
311 static int
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
312 sys_close(int fd)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
313 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
314 return (0);
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 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
319 // 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
320 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
321 static int
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
322 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
323 {
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
324 return (-NEWLIB_EIO);
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
325 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
326
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
327
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
328 #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
329 #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
330
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
331 // 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
332 #define HZ (60ULL)
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
333
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
334 #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
335 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
336 #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
337 static int
191
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST
jlarmour
parents: 182
diff changeset
338 sys_times(unsigned long *p)
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
339 {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
340 static int inited = 0;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
341
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
342 if (!inited) {
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
343 inited = 1;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
344 sys_timer_init();
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
345 }
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
346
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
347 /* 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
348 if (p)
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
349 #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
350 *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
351 #else
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
352 *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
353 #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
354
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
355 return 0;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
356 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
357
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
358 #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
359
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
360 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
361 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
362 if ( previous_call_back )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
363 *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
364
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
365 timer_callback = (callback_func *)func;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
366
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
367 // Ensure the timer is started
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
368 (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
369 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
370
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
371 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
372 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
373 // Requested HZ:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
374 // 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
375 // - 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
376 // - 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
377 // -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
378 // 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
379 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
380 // 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
381 // 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
382
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
383 // Ensure the timer is started
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
384 (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
385
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
386 if ( -2 == freq )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
387 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
388 else if ( 0 == freq )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
389 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
390 else {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
391 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
392 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
393
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
394 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
395 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
396
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
397 // 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
398 #ifdef HAL_CLOCK_REINITIALIZE
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
399 // 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
400 // 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
401 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
402 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
403 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
404 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
405 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
406 unsigned int orig = set_freq;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
407 set_freq = freq;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
408 set_period = period;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
409 // 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
410 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
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
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
414 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
415 *previous_freq = freq;
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
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
418 void sys_profile_reset( void )
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
419 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
420 timer_callback = NULL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
421 // 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
422 // 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
423 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
424
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
425 #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
426
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
427 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
428 // Generic syscall handler.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
429 //
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
430 // 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
431 // 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
432 // 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
433 //
151
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 136
diff changeset
434 CYG_ADDRWORD
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
435 __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
436 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
437 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
438 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
439 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
440 int err = 0;
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
441 *sig = 0;
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
442
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
443 switch (func) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
444
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
445 case SYS_open:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
446 {
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
447 #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
448 __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
449 int mode, int *sig );
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
450 if (gdb_active)
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
451 err = cyg_hal_gdbfileio_open((const char *)arg1, (int)arg2, (int)arg3,
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
452 (int *)sig);
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
453 else
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
454 #endif
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
455 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
456 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
457 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
458 case SYS_read:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
459 {
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
460 #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
461 __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
462 int *sig );
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
463 if (gdb_active)
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
464 err = cyg_hal_gdbfileio_read((int)arg1, (void *)arg2, (size_t)arg3,
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
465 (int *)sig);
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
466 else
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
467 #endif
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
468 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
469 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
470 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
471 case SYS_write:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
472 {
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
473 #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
474 __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
475 size_t count, int *sig );
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
476 if (gdb_active)
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
477 err = cyg_hal_gdbfileio_write((int)arg1, (const void *)arg2,
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
478 (size_t)arg3, (int *)sig);
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
479 else
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
480 #endif
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
481 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
482 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
483 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
484 case SYS_close:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
485 {
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
486 #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
487 __externC int cyg_hal_gdbfileio_close( int fd, int *sig );
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
488 if (gdb_active)
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
489 err = cyg_hal_gdbfileio_close((int)arg1, (int *)sig);
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
490 else
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
491 #endif
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
492 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
493 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
494 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
495 case SYS_lseek:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
496 {
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
497 #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
498 __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
499 int whence, int *sig );
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
500 if (gdb_active)
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
501 err = cyg_hal_gdbfileio_lseek((int)arg1, (long)arg2, (int)arg3,
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
502 (int *)sig);
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
503 else
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
504 #endif
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
505 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
506 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
507 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
508 case SYS_stat:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
509 {
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
510 #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
511 __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
512 void *statbuf, int *sig );
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
513 if (gdb_active)
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
514 err = cyg_hal_gdbfileio_stat((const char *)arg1, (void *)arg2,
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
515 (int *)sig);
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
516 else
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
517 #endif
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
518 err = -NEWLIB_ENOSYS;
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
519 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
520 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
521 case SYS_fstat:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
522 {
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
523 #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
524 __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
525 int *sig );
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
526 if (gdb_active)
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
527 err = cyg_hal_gdbfileio_fstat((int)arg1, (void *)arg2,
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
528 (int *)sig);
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
529 else
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
530 #endif
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
531 {
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
532 struct newlib_stat *st = (struct newlib_stat *)arg2;
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
533 st->st_mode = NEWLIB_S_IFCHR;
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
534 st->st_blksize = 4096;
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
535 err = 0;
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
536 }
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
537 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
538 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
539 case SYS_rename:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
540 {
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
541 #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
542 __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
543 const char *newpath,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
544 int *sig );
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
545 if (gdb_active)
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
546 err = cyg_hal_gdbfileio_rename((const char *)arg1, (const char *)arg2,
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
547 (int *)sig);
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
548 else
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
549 #endif
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
550 err = -NEWLIB_ENOSYS;
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
551 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
552 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
553 case SYS_unlink:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
554 {
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
555 #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
556 __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
557 int *sig );
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
558 if (gdb_active)
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
559 err = cyg_hal_gdbfileio_unlink((const char *)arg1, (int *)sig);
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
560 else
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
561 #endif
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
562 err = -NEWLIB_ENOSYS;
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
563 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
564 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
565 case SYS_isatty:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
566 {
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
567 #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
568 __externC int cyg_hal_gdbfileio_isatty( int fd, int *sig );
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
569 if (gdb_active)
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
570 err = cyg_hal_gdbfileio_isatty((int)arg1, (int *)sig);
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
571 else
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
572 #endif
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
573 err = 1;
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
574 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
575 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
576 case SYS_system:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
577 {
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
578 #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
579 __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
580 int *sig );
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
581 if (gdb_active)
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
582 err = cyg_hal_gdbfileio_system((const char *)arg1, (int *)sig);
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
583 else
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
584 #endif
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
585 err = -1;
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
586 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
587 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
588 case SYS_gettimeofday:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
589 {
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
590 #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
591 __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
592 int *sig );
309
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
593 if (gdb_active)
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
594 err = cyg_hal_gdbfileio_gettimeofday((void *)arg1, (void *)arg2,
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
595 (int *)sig);
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
596 else
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
597 #endif
59d0679e58c3 fileio tweak
msalter
parents: 210
diff changeset
598 err = 0;
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
599 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
600 }
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
601 case SYS_utime:
191
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST
jlarmour
parents: 182
diff changeset
602 // 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
603 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
604 break;
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST
jlarmour
parents: 182
diff changeset
605
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST
jlarmour
parents: 182
diff changeset
606 case SYS_times:
678094f34118 Merge from eCos master repository on 2001-10-19-06:43:02-BST
jlarmour
parents: 182
diff changeset
607 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
608 break;
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
609
151
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 136
diff changeset
610 case SYS_meminfo:
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 136
diff changeset
611 err = 1;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 136
diff changeset
612 *(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
613 *(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
614 break;
208
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
615 #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
616 case SYS_timer_call_back:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
617 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
618 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
619
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
620 case SYS_timer_frequency:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
621 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
622 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
623
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
624 case SYS_timer_reset:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
625 sys_profile_reset();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
626 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
627
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
628 #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
629 case __GET_SHARED:
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
630 *(__shared_t **)arg1 = &__shared_data;
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
631 break;
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
632
556
f2b5df359050 Support return to redboot from go
msalter
parents: 309
diff changeset
633 case SYS_exit:
1002
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 556
diff changeset
634 *sig = -1; // signal exit
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 556
diff changeset
635 err = arg1;
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 556
diff changeset
636
556
f2b5df359050 Support return to redboot from go
msalter
parents: 309
diff changeset
637 if (gdb_active) {
1002
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 556
diff changeset
638 #ifdef CYGOPT_REDBOOT_BSP_SYSCALLS_EXIT_WITHOUT_TRAP
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 556
diff changeset
639 __send_exit_status((int)arg1);
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 556
diff changeset
640 #else
556
f2b5df359050 Support return to redboot from go
msalter
parents: 309
diff changeset
641 *sig = SIGTRAP;
f2b5df359050 Support return to redboot from go
msalter
parents: 309
diff changeset
642 err = func;
1002
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 556
diff changeset
643 #endif // CYGOPT_REDBOOT_BSP_SYSCALLS_EXIT_WITHOUT_TRAP
556
f2b5df359050 Support return to redboot from go
msalter
parents: 309
diff changeset
644 }
f2b5df359050 Support return to redboot from go
msalter
parents: 309
diff changeset
645 break;
f2b5df359050 Support return to redboot from go
msalter
parents: 309
diff changeset
646
136
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
647 default:
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 151
diff changeset
648 return 0;
136
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
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
651 *retval = err;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
652 return 1;
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
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT
jlarmour
parents:
diff changeset
655 #endif