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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

api/semihost_api.h@9:0ce32e54c9a7, 2013-06-10 (annotated)

Committer:
emilmont
Date:
Mon Jun 10 16:03:00 2013 +0100
Revision:
9:0ce32e54c9a7
Parent:
capi/semihost_api.h@3:c24f5ba8a7f9
Child:
10:3bc89ef62ce7
Refactoring of the mbed SDK:

- Provide a well defined HAL and API

- Keep separated the HAL implementations for the different targets

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
emilmont 2:143cac498751 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
emilmont 2:143cac498751 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 2:143cac498751 5 * you may not use this file except in compliance with the License.
emilmont 2:143cac498751 6 * You may obtain a copy of the License at
mbed_official 0:fd0d7bdfcdc2 7 *
emilmont 2:143cac498751 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:fd0d7bdfcdc2 9 *
emilmont 2:143cac498751 10 * Unless required by applicable law or agreed to in writing, software
emilmont 2:143cac498751 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 2:143cac498751 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 2:143cac498751 13 * See the License for the specific language governing permissions and
emilmont 2:143cac498751 14 * limitations under the License.
mbed_official 0:fd0d7bdfcdc2 15 */
mbed_official 0:fd0d7bdfcdc2 16 #ifndef MBED_SEMIHOST_H
mbed_official 0:fd0d7bdfcdc2 17 #define MBED_SEMIHOST_H
mbed_official 0:fd0d7bdfcdc2 18
mbed_official 0:fd0d7bdfcdc2 19 #include "device.h"
mbed_official 0:fd0d7bdfcdc2 20 #include "toolchain.h"
mbed_official 0:fd0d7bdfcdc2 21
mbed_official 0:fd0d7bdfcdc2 22 #ifdef __cplusplus
mbed_official 0:fd0d7bdfcdc2 23 extern "C" {
mbed_official 0:fd0d7bdfcdc2 24 #endif
mbed_official 0:fd0d7bdfcdc2 25
emilmont 2:143cac498751 26 #if DEVICE_SEMIHOST
emilmont 2:143cac498751 27
mbed_official 0:fd0d7bdfcdc2 28 #ifndef __CC_ARM
mbed_official 0:fd0d7bdfcdc2 29
emilmont 2:143cac498751 30 #if defined(__ICCARM__)
emilmont 2:143cac498751 31 inline int __semihost(int reason, const void *arg) {
emilmont 2:143cac498751 32 return __semihosting(reason, (void*)arg);
emilmont 2:143cac498751 33 }
emilmont 2:143cac498751 34 #else
emilmont 2:143cac498751 35
mbed_official 0:fd0d7bdfcdc2 36 #ifdef __thumb__
emilmont 2:143cac498751 37 # define AngelSWI 0xAB
emilmont 2:143cac498751 38 # define AngelSWIInsn "bkpt"
emilmont 2:143cac498751 39 # define AngelSWIAsm bkpt
mbed_official 0:fd0d7bdfcdc2 40 #else
emilmont 2:143cac498751 41 # define AngelSWI 0x123456
emilmont 2:143cac498751 42 # define AngelSWIInsn "swi"
emilmont 2:143cac498751 43 # define AngelSWIAsm swi
mbed_official 0:fd0d7bdfcdc2 44 #endif
mbed_official 0:fd0d7bdfcdc2 45
emilmont 3:c24f5ba8a7f9 46 static inline int __semihost(int reason, const void *arg) {
mbed_official 0:fd0d7bdfcdc2 47 int value;
emilmont 2:143cac498751 48
emilmont 2:143cac498751 49 asm volatile (
emilmont 2:143cac498751 50 "mov r0, %1" "\n\t"
emilmont 2:143cac498751 51 "mov r1, %2" "\n\t"
emilmont 2:143cac498751 52 AngelSWIInsn " %a3" "\n\t"
emilmont 2:143cac498751 53 "mov %0, r0"
emilmont 2:143cac498751 54 : "=r" (value) /* output operands */
emilmont 2:143cac498751 55 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
emilmont 2:143cac498751 56 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
emilmont 2:143cac498751 57 );
emilmont 2:143cac498751 58
mbed_official 0:fd0d7bdfcdc2 59 return value;
mbed_official 0:fd0d7bdfcdc2 60 }
emilmont 2:143cac498751 61 #endif
mbed_official 0:fd0d7bdfcdc2 62 #endif
mbed_official 0:fd0d7bdfcdc2 63
mbed_official 0:fd0d7bdfcdc2 64 #if DEVICE_LOCALFILESYSTEM
mbed_official 0:fd0d7bdfcdc2 65 FILEHANDLE semihost_open(const char* name, int openmode);
mbed_official 0:fd0d7bdfcdc2 66 int semihost_close (FILEHANDLE fh);
mbed_official 0:fd0d7bdfcdc2 67 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
mbed_official 0:fd0d7bdfcdc2 68 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
mbed_official 0:fd0d7bdfcdc2 69 int semihost_ensure(FILEHANDLE fh);
mbed_official 0:fd0d7bdfcdc2 70 long semihost_flen (FILEHANDLE fh);
mbed_official 0:fd0d7bdfcdc2 71 int semihost_seek (FILEHANDLE fh, long position);
mbed_official 0:fd0d7bdfcdc2 72 int semihost_istty (FILEHANDLE fh);
mbed_official 0:fd0d7bdfcdc2 73
mbed_official 0:fd0d7bdfcdc2 74 int semihost_remove(const char *name);
mbed_official 0:fd0d7bdfcdc2 75 int semihost_rename(const char *old_name, const char *new_name);
mbed_official 0:fd0d7bdfcdc2 76 #endif
mbed_official 0:fd0d7bdfcdc2 77
mbed_official 0:fd0d7bdfcdc2 78 int semihost_uid(char *uid);
mbed_official 0:fd0d7bdfcdc2 79 int semihost_reset(void);
mbed_official 0:fd0d7bdfcdc2 80 int semihost_vbus(void);
mbed_official 0:fd0d7bdfcdc2 81 int semihost_powerdown(void);
mbed_official 0:fd0d7bdfcdc2 82 int semihost_exit(void);
mbed_official 0:fd0d7bdfcdc2 83
mbed_official 0:fd0d7bdfcdc2 84 int semihost_connected(void);
mbed_official 0:fd0d7bdfcdc2 85 int semihost_disabledebug(void);
mbed_official 0:fd0d7bdfcdc2 86
emilmont 2:143cac498751 87 #endif
emilmont 2:143cac498751 88
mbed_official 0:fd0d7bdfcdc2 89 #ifdef __cplusplus
mbed_official 0:fd0d7bdfcdc2 90 }
mbed_official 0:fd0d7bdfcdc2 91 #endif
mbed_official 0:fd0d7bdfcdc2 92
mbed_official 0:fd0d7bdfcdc2 93 #endif