Lancaster University / mbed-lite-test

test

semihost_api.h@1:a7c51b5e0534, 2016-04-07 (annotated)

Committer:
jamesadevine
Date:
Thu Apr 07 17:50:29 2016 +0000
Revision:
1:a7c51b5e0534
Parent:
0:e1a608bb55e8 
Added correct nrf51.h ; Added scatter file.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jamesadevine 0:e1a608bb55e8 1 /* mbed Microcontroller Library
jamesadevine 0:e1a608bb55e8 2 * Copyright (c) 2006-2013 ARM Limited
jamesadevine 0:e1a608bb55e8 3 *
jamesadevine 0:e1a608bb55e8 4 * Licensed under the Apache License, Version 2.0 (the "License");
jamesadevine 0:e1a608bb55e8 5 * you may not use this file except in compliance with the License.
jamesadevine 0:e1a608bb55e8 6 * You may obtain a copy of the License at
jamesadevine 0:e1a608bb55e8 7 *
jamesadevine 0:e1a608bb55e8 8 * http://www.apache.org/licenses/LICENSE-2.0
jamesadevine 0:e1a608bb55e8 9 *
jamesadevine 0:e1a608bb55e8 10 * Unless required by applicable law or agreed to in writing, software
jamesadevine 0:e1a608bb55e8 11 * distributed under the License is distributed on an "AS IS" BASIS,
jamesadevine 0:e1a608bb55e8 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jamesadevine 0:e1a608bb55e8 13 * See the License for the specific language governing permissions and
jamesadevine 0:e1a608bb55e8 14 * limitations under the License.
jamesadevine 0:e1a608bb55e8 15 */
jamesadevine 0:e1a608bb55e8 16 #ifndef MBED_SEMIHOST_H
jamesadevine 0:e1a608bb55e8 17 #define MBED_SEMIHOST_H
jamesadevine 0:e1a608bb55e8 18
jamesadevine 0:e1a608bb55e8 19 #include "device.h"
jamesadevine 0:e1a608bb55e8 20 #include "toolchain.h"
jamesadevine 0:e1a608bb55e8 21
jamesadevine 0:e1a608bb55e8 22 #ifdef __cplusplus
jamesadevine 0:e1a608bb55e8 23 extern "C" {
jamesadevine 0:e1a608bb55e8 24 #endif
jamesadevine 0:e1a608bb55e8 25
jamesadevine 0:e1a608bb55e8 26 #if DEVICE_SEMIHOST
jamesadevine 0:e1a608bb55e8 27
jamesadevine 0:e1a608bb55e8 28 #ifndef __CC_ARM
jamesadevine 0:e1a608bb55e8 29
jamesadevine 0:e1a608bb55e8 30 #if defined(__ICCARM__)
jamesadevine 0:e1a608bb55e8 31 inline int __semihost(int reason, const void *arg) {
jamesadevine 0:e1a608bb55e8 32 return __semihosting(reason, (void*)arg);
jamesadevine 0:e1a608bb55e8 33 }
jamesadevine 0:e1a608bb55e8 34 #else
jamesadevine 0:e1a608bb55e8 35
jamesadevine 0:e1a608bb55e8 36 #ifdef __thumb__
jamesadevine 0:e1a608bb55e8 37 # define AngelSWI 0xAB
jamesadevine 0:e1a608bb55e8 38 # define AngelSWIInsn "bkpt"
jamesadevine 0:e1a608bb55e8 39 # define AngelSWIAsm bkpt
jamesadevine 0:e1a608bb55e8 40 #else
jamesadevine 0:e1a608bb55e8 41 # define AngelSWI 0x123456
jamesadevine 0:e1a608bb55e8 42 # define AngelSWIInsn "swi"
jamesadevine 0:e1a608bb55e8 43 # define AngelSWIAsm swi
jamesadevine 0:e1a608bb55e8 44 #endif
jamesadevine 0:e1a608bb55e8 45
jamesadevine 0:e1a608bb55e8 46 static inline int __semihost(int reason, const void *arg) {
jamesadevine 0:e1a608bb55e8 47 int value;
jamesadevine 0:e1a608bb55e8 48
jamesadevine 0:e1a608bb55e8 49 asm volatile (
jamesadevine 0:e1a608bb55e8 50 "mov r0, %1" "\n\t"
jamesadevine 0:e1a608bb55e8 51 "mov r1, %2" "\n\t"
jamesadevine 0:e1a608bb55e8 52 AngelSWIInsn " %a3" "\n\t"
jamesadevine 0:e1a608bb55e8 53 "mov %0, r0"
jamesadevine 0:e1a608bb55e8 54 : "=r" (value) /* output operands */
jamesadevine 0:e1a608bb55e8 55 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
jamesadevine 0:e1a608bb55e8 56 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
jamesadevine 0:e1a608bb55e8 57 );
jamesadevine 0:e1a608bb55e8 58
jamesadevine 0:e1a608bb55e8 59 return value;
jamesadevine 0:e1a608bb55e8 60 }
jamesadevine 0:e1a608bb55e8 61 #endif
jamesadevine 0:e1a608bb55e8 62 #endif
jamesadevine 0:e1a608bb55e8 63
jamesadevine 0:e1a608bb55e8 64 #if DEVICE_LOCALFILESYSTEM
jamesadevine 0:e1a608bb55e8 65 FILEHANDLE semihost_open(const char* name, int openmode);
jamesadevine 0:e1a608bb55e8 66 int semihost_close (FILEHANDLE fh);
jamesadevine 0:e1a608bb55e8 67 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
jamesadevine 0:e1a608bb55e8 68 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
jamesadevine 0:e1a608bb55e8 69 int semihost_ensure(FILEHANDLE fh);
jamesadevine 0:e1a608bb55e8 70 long semihost_flen (FILEHANDLE fh);
jamesadevine 0:e1a608bb55e8 71 int semihost_seek (FILEHANDLE fh, long position);
jamesadevine 0:e1a608bb55e8 72 int semihost_istty (FILEHANDLE fh);
jamesadevine 0:e1a608bb55e8 73
jamesadevine 0:e1a608bb55e8 74 int semihost_remove(const char *name);
jamesadevine 0:e1a608bb55e8 75 int semihost_rename(const char *old_name, const char *new_name);
jamesadevine 0:e1a608bb55e8 76 #endif
jamesadevine 0:e1a608bb55e8 77
jamesadevine 0:e1a608bb55e8 78 int semihost_uid(char *uid);
jamesadevine 0:e1a608bb55e8 79 int semihost_reset(void);
jamesadevine 0:e1a608bb55e8 80 int semihost_vbus(void);
jamesadevine 0:e1a608bb55e8 81 int semihost_powerdown(void);
jamesadevine 0:e1a608bb55e8 82 int semihost_exit(void);
jamesadevine 0:e1a608bb55e8 83
jamesadevine 0:e1a608bb55e8 84 int semihost_connected(void);
jamesadevine 0:e1a608bb55e8 85 int semihost_disabledebug(void);
jamesadevine 0:e1a608bb55e8 86
jamesadevine 0:e1a608bb55e8 87 #endif
jamesadevine 0:e1a608bb55e8 88
jamesadevine 0:e1a608bb55e8 89 #ifdef __cplusplus
jamesadevine 0:e1a608bb55e8 90 }
jamesadevine 0:e1a608bb55e8 91 #endif
jamesadevine 0:e1a608bb55e8 92
jamesadevine 0:e1a608bb55e8 93 #endif