Christian Weiß / Mbed 2 deprecated Diplomarbeit_MW_CW

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Dependencies:   mbed

inc/semihost_api.h@0:afeca64a6543, 2018-10-17 (annotated)

Committer:
martwerl
Date:
Wed Oct 17 17:19:45 2018 +0000
Revision:
0:afeca64a6543
Diplomarbeit_MW_CW

Who changed what in which revision?

UserRevisionLine numberNew contents of line
martwerl 0:afeca64a6543 1 /* mbed Microcontroller Library
martwerl 0:afeca64a6543 2 * Copyright (c) 2006-2013 ARM Limited
martwerl 0:afeca64a6543 3 *
martwerl 0:afeca64a6543 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
martwerl 0:afeca64a6543 5 * of this software and associated documentation files (the "Software"), to deal
martwerl 0:afeca64a6543 6 * in the Software without restriction, including without limitation the rights
martwerl 0:afeca64a6543 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
martwerl 0:afeca64a6543 8 * copies of the Software, and to permit persons to whom the Software is
martwerl 0:afeca64a6543 9 * furnished to do so, subject to the following conditions:
martwerl 0:afeca64a6543 10 *
martwerl 0:afeca64a6543 11 * The above copyright notice and this permission notice shall be included in
martwerl 0:afeca64a6543 12 * all copies or substantial portions of the Software.
martwerl 0:afeca64a6543 13 *
martwerl 0:afeca64a6543 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
martwerl 0:afeca64a6543 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
martwerl 0:afeca64a6543 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
martwerl 0:afeca64a6543 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
martwerl 0:afeca64a6543 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
martwerl 0:afeca64a6543 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
martwerl 0:afeca64a6543 20 * SOFTWARE.
martwerl 0:afeca64a6543 21 */
martwerl 0:afeca64a6543 22 #ifndef MBED_SEMIHOST_H
martwerl 0:afeca64a6543 23 #define MBED_SEMIHOST_H
martwerl 0:afeca64a6543 24
martwerl 0:afeca64a6543 25 #include "device.h"
martwerl 0:afeca64a6543 26 #include "toolchain.h"
martwerl 0:afeca64a6543 27
martwerl 0:afeca64a6543 28 #ifdef __cplusplus
martwerl 0:afeca64a6543 29 extern "C" {
martwerl 0:afeca64a6543 30 #endif
martwerl 0:afeca64a6543 31
martwerl 0:afeca64a6543 32 #if DEVICE_SEMIHOST
martwerl 0:afeca64a6543 33
martwerl 0:afeca64a6543 34 #ifndef __CC_ARM
martwerl 0:afeca64a6543 35
martwerl 0:afeca64a6543 36 #if defined(__ICCARM__)
martwerl 0:afeca64a6543 37 inline int __semihost(int reason, const void *arg) {
martwerl 0:afeca64a6543 38 return __semihosting(reason, (void*)arg);
martwerl 0:afeca64a6543 39 }
martwerl 0:afeca64a6543 40 #else
martwerl 0:afeca64a6543 41
martwerl 0:afeca64a6543 42 #ifdef __thumb__
martwerl 0:afeca64a6543 43 # define AngelSWI 0xAB
martwerl 0:afeca64a6543 44 # define AngelSWIInsn "bkpt"
martwerl 0:afeca64a6543 45 # define AngelSWIAsm bkpt
martwerl 0:afeca64a6543 46 #else
martwerl 0:afeca64a6543 47 # define AngelSWI 0x123456
martwerl 0:afeca64a6543 48 # define AngelSWIInsn "swi"
martwerl 0:afeca64a6543 49 # define AngelSWIAsm swi
martwerl 0:afeca64a6543 50 #endif
martwerl 0:afeca64a6543 51
martwerl 0:afeca64a6543 52 inline int __semihost(int reason, const void *arg) {
martwerl 0:afeca64a6543 53 int value;
martwerl 0:afeca64a6543 54
martwerl 0:afeca64a6543 55 asm volatile (
martwerl 0:afeca64a6543 56 "mov r0, %1" "\n\t"
martwerl 0:afeca64a6543 57 "mov r1, %2" "\n\t"
martwerl 0:afeca64a6543 58 AngelSWIInsn " %a3" "\n\t"
martwerl 0:afeca64a6543 59 "mov %0, r0"
martwerl 0:afeca64a6543 60 : "=r" (value) /* output operands */
martwerl 0:afeca64a6543 61 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
martwerl 0:afeca64a6543 62 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
martwerl 0:afeca64a6543 63 );
martwerl 0:afeca64a6543 64
martwerl 0:afeca64a6543 65 return value;
martwerl 0:afeca64a6543 66 }
martwerl 0:afeca64a6543 67 #endif
martwerl 0:afeca64a6543 68 #endif
martwerl 0:afeca64a6543 69
martwerl 0:afeca64a6543 70 #if DEVICE_LOCALFILESYSTEM
martwerl 0:afeca64a6543 71 FILEHANDLE semihost_open(const char* name, int openmode);
martwerl 0:afeca64a6543 72 int semihost_close (FILEHANDLE fh);
martwerl 0:afeca64a6543 73 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
martwerl 0:afeca64a6543 74 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
martwerl 0:afeca64a6543 75 int semihost_ensure(FILEHANDLE fh);
martwerl 0:afeca64a6543 76 long semihost_flen (FILEHANDLE fh);
martwerl 0:afeca64a6543 77 int semihost_seek (FILEHANDLE fh, long position);
martwerl 0:afeca64a6543 78 int semihost_istty (FILEHANDLE fh);
martwerl 0:afeca64a6543 79
martwerl 0:afeca64a6543 80 int semihost_remove(const char *name);
martwerl 0:afeca64a6543 81 int semihost_rename(const char *old_name, const char *new_name);
martwerl 0:afeca64a6543 82 #endif
martwerl 0:afeca64a6543 83
martwerl 0:afeca64a6543 84 int semihost_uid(char *uid);
martwerl 0:afeca64a6543 85 int semihost_reset(void);
martwerl 0:afeca64a6543 86 int semihost_vbus(void);
martwerl 0:afeca64a6543 87 int semihost_powerdown(void);
martwerl 0:afeca64a6543 88 int semihost_exit(void);
martwerl 0:afeca64a6543 89
martwerl 0:afeca64a6543 90 int semihost_connected(void);
martwerl 0:afeca64a6543 91 int semihost_disabledebug(void);
martwerl 0:afeca64a6543 92
martwerl 0:afeca64a6543 93 #endif
martwerl 0:afeca64a6543 94
martwerl 0:afeca64a6543 95 #ifdef __cplusplus
martwerl 0:afeca64a6543 96 }
martwerl 0:afeca64a6543 97 #endif
martwerl 0:afeca64a6543 98
martwerl 0:afeca64a6543 99 #endif
martwerl 0:afeca64a6543 100