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Dependencies:   PWM_Tone_Library DHT

mbed/semihost_api.h@5:569a4894abc1, 2019-03-08 (annotated)

Committer:
aziz111
Date:
Fri Mar 08 17:15:02 2019 +0000
Revision:
5:569a4894abc1
Parent:
3:78f223d34f36 
Final

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ethaderu 3:78f223d34f36 1 /* mbed Microcontroller Library
ethaderu 3:78f223d34f36 2 * Copyright (c) 2006-2013 ARM Limited
ethaderu 3:78f223d34f36 3 *
ethaderu 3:78f223d34f36 4 * Licensed under the Apache License, Version 2.0 (the "License");
ethaderu 3:78f223d34f36 5 * you may not use this file except in compliance with the License.
ethaderu 3:78f223d34f36 6 * You may obtain a copy of the License at
ethaderu 3:78f223d34f36 7 *
ethaderu 3:78f223d34f36 8 * http://www.apache.org/licenses/LICENSE-2.0
ethaderu 3:78f223d34f36 9 *
ethaderu 3:78f223d34f36 10 * Unless required by applicable law or agreed to in writing, software
ethaderu 3:78f223d34f36 11 * distributed under the License is distributed on an "AS IS" BASIS,
ethaderu 3:78f223d34f36 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ethaderu 3:78f223d34f36 13 * See the License for the specific language governing permissions and
ethaderu 3:78f223d34f36 14 * limitations under the License.
ethaderu 3:78f223d34f36 15 */
ethaderu 3:78f223d34f36 16 #ifndef MBED_SEMIHOST_H
ethaderu 3:78f223d34f36 17 #define MBED_SEMIHOST_H
ethaderu 3:78f223d34f36 18
ethaderu 3:78f223d34f36 19 #include "device.h"
ethaderu 3:78f223d34f36 20 #include "toolchain.h"
ethaderu 3:78f223d34f36 21
ethaderu 3:78f223d34f36 22 #ifdef __cplusplus
ethaderu 3:78f223d34f36 23 extern "C" {
ethaderu 3:78f223d34f36 24 #endif
ethaderu 3:78f223d34f36 25
ethaderu 3:78f223d34f36 26 #if DEVICE_SEMIHOST
ethaderu 3:78f223d34f36 27
ethaderu 3:78f223d34f36 28 #ifndef __CC_ARM
ethaderu 3:78f223d34f36 29
ethaderu 3:78f223d34f36 30 #if defined(__ICCARM__)
ethaderu 3:78f223d34f36 31 inline int __semihost(int reason, const void *arg) {
ethaderu 3:78f223d34f36 32 return __semihosting(reason, (void*)arg);
ethaderu 3:78f223d34f36 33 }
ethaderu 3:78f223d34f36 34 #else
ethaderu 3:78f223d34f36 35
ethaderu 3:78f223d34f36 36 #ifdef __thumb__
ethaderu 3:78f223d34f36 37 # define AngelSWI 0xAB
ethaderu 3:78f223d34f36 38 # define AngelSWIInsn "bkpt"
ethaderu 3:78f223d34f36 39 # define AngelSWIAsm bkpt
ethaderu 3:78f223d34f36 40 #else
ethaderu 3:78f223d34f36 41 # define AngelSWI 0x123456
ethaderu 3:78f223d34f36 42 # define AngelSWIInsn "swi"
ethaderu 3:78f223d34f36 43 # define AngelSWIAsm swi
ethaderu 3:78f223d34f36 44 #endif
ethaderu 3:78f223d34f36 45
ethaderu 3:78f223d34f36 46 static inline int __semihost(int reason, const void *arg) {
ethaderu 3:78f223d34f36 47 int value;
ethaderu 3:78f223d34f36 48
ethaderu 3:78f223d34f36 49 asm volatile (
ethaderu 3:78f223d34f36 50 "mov r0, %1" "\n\t"
ethaderu 3:78f223d34f36 51 "mov r1, %2" "\n\t"
ethaderu 3:78f223d34f36 52 AngelSWIInsn " %a3" "\n\t"
ethaderu 3:78f223d34f36 53 "mov %0, r0"
ethaderu 3:78f223d34f36 54 : "=r" (value) /* output operands */
ethaderu 3:78f223d34f36 55 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
ethaderu 3:78f223d34f36 56 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
ethaderu 3:78f223d34f36 57 );
ethaderu 3:78f223d34f36 58
ethaderu 3:78f223d34f36 59 return value;
ethaderu 3:78f223d34f36 60 }
ethaderu 3:78f223d34f36 61 #endif
ethaderu 3:78f223d34f36 62 #endif
ethaderu 3:78f223d34f36 63
ethaderu 3:78f223d34f36 64 #if DEVICE_LOCALFILESYSTEM
ethaderu 3:78f223d34f36 65 FILEHANDLE semihost_open(const char* name, int openmode);
ethaderu 3:78f223d34f36 66 int semihost_close (FILEHANDLE fh);
ethaderu 3:78f223d34f36 67 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
ethaderu 3:78f223d34f36 68 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
ethaderu 3:78f223d34f36 69 int semihost_ensure(FILEHANDLE fh);
ethaderu 3:78f223d34f36 70 long semihost_flen (FILEHANDLE fh);
ethaderu 3:78f223d34f36 71 int semihost_seek (FILEHANDLE fh, long position);
ethaderu 3:78f223d34f36 72 int semihost_istty (FILEHANDLE fh);
ethaderu 3:78f223d34f36 73
ethaderu 3:78f223d34f36 74 int semihost_remove(const char *name);
ethaderu 3:78f223d34f36 75 int semihost_rename(const char *old_name, const char *new_name);
ethaderu 3:78f223d34f36 76 #endif
ethaderu 3:78f223d34f36 77
ethaderu 3:78f223d34f36 78 int semihost_uid(char *uid);
ethaderu 3:78f223d34f36 79 int semihost_reset(void);
ethaderu 3:78f223d34f36 80 int semihost_vbus(void);
ethaderu 3:78f223d34f36 81 int semihost_powerdown(void);
ethaderu 3:78f223d34f36 82 int semihost_exit(void);
ethaderu 3:78f223d34f36 83
ethaderu 3:78f223d34f36 84 int semihost_connected(void);
ethaderu 3:78f223d34f36 85 int semihost_disabledebug(void);
ethaderu 3:78f223d34f36 86
ethaderu 3:78f223d34f36 87 #endif
ethaderu 3:78f223d34f36 88
ethaderu 3:78f223d34f36 89 #ifdef __cplusplus
ethaderu 3:78f223d34f36 90 }
ethaderu 3:78f223d34f36 91 #endif
ethaderu 3:78f223d34f36 92
ethaderu 3:78f223d34f36 93 #endif