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Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

platform/semihost_api.h@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1
group-onsemi 0:098463de4c5d 2 /** \addtogroup platform */
group-onsemi 0:098463de4c5d 3 /** @{*/
group-onsemi 0:098463de4c5d 4 /* mbed Microcontroller Library
group-onsemi 0:098463de4c5d 5 * Copyright (c) 2006-2013 ARM Limited
group-onsemi 0:098463de4c5d 6 *
group-onsemi 0:098463de4c5d 7 * Licensed under the Apache License, Version 2.0 (the "License");
group-onsemi 0:098463de4c5d 8 * you may not use this file except in compliance with the License.
group-onsemi 0:098463de4c5d 9 * You may obtain a copy of the License at
group-onsemi 0:098463de4c5d 10 *
group-onsemi 0:098463de4c5d 11 * http://www.apache.org/licenses/LICENSE-2.0
group-onsemi 0:098463de4c5d 12 *
group-onsemi 0:098463de4c5d 13 * Unless required by applicable law or agreed to in writing, software
group-onsemi 0:098463de4c5d 14 * distributed under the License is distributed on an "AS IS" BASIS,
group-onsemi 0:098463de4c5d 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
group-onsemi 0:098463de4c5d 16 * See the License for the specific language governing permissions and
group-onsemi 0:098463de4c5d 17 * limitations under the License.
group-onsemi 0:098463de4c5d 18 */
group-onsemi 0:098463de4c5d 19 #ifndef MBED_SEMIHOST_H
group-onsemi 0:098463de4c5d 20 #define MBED_SEMIHOST_H
group-onsemi 0:098463de4c5d 21
group-onsemi 0:098463de4c5d 22 #include "device.h"
group-onsemi 0:098463de4c5d 23 #include "platform/toolchain.h"
group-onsemi 0:098463de4c5d 24
group-onsemi 0:098463de4c5d 25 #ifdef __cplusplus
group-onsemi 0:098463de4c5d 26 extern "C" {
group-onsemi 0:098463de4c5d 27 #endif
group-onsemi 0:098463de4c5d 28
group-onsemi 0:098463de4c5d 29 #if DEVICE_SEMIHOST
group-onsemi 0:098463de4c5d 30
group-onsemi 0:098463de4c5d 31 #ifndef __CC_ARM
group-onsemi 0:098463de4c5d 32
group-onsemi 0:098463de4c5d 33 #if defined(__ICCARM__)
group-onsemi 0:098463de4c5d 34 static inline int __semihost(int reason, const void *arg) {
group-onsemi 0:098463de4c5d 35 return __semihosting(reason, (void*)arg);
group-onsemi 0:098463de4c5d 36 }
group-onsemi 0:098463de4c5d 37 #else
group-onsemi 0:098463de4c5d 38
group-onsemi 0:098463de4c5d 39 #ifdef __thumb__
group-onsemi 0:098463de4c5d 40 # define AngelSWI 0xAB
group-onsemi 0:098463de4c5d 41 # define AngelSWIInsn "bkpt"
group-onsemi 0:098463de4c5d 42 # define AngelSWIAsm bkpt
group-onsemi 0:098463de4c5d 43 #else
group-onsemi 0:098463de4c5d 44 # define AngelSWI 0x123456
group-onsemi 0:098463de4c5d 45 # define AngelSWIInsn "swi"
group-onsemi 0:098463de4c5d 46 # define AngelSWIAsm swi
group-onsemi 0:098463de4c5d 47 #endif
group-onsemi 0:098463de4c5d 48
group-onsemi 0:098463de4c5d 49 static inline int __semihost(int reason, const void *arg) {
group-onsemi 0:098463de4c5d 50 int value;
group-onsemi 0:098463de4c5d 51
group-onsemi 0:098463de4c5d 52 asm volatile (
group-onsemi 0:098463de4c5d 53 "mov r0, %1" "\n\t"
group-onsemi 0:098463de4c5d 54 "mov r1, %2" "\n\t"
group-onsemi 0:098463de4c5d 55 AngelSWIInsn " %a3" "\n\t"
group-onsemi 0:098463de4c5d 56 "mov %0, r0"
group-onsemi 0:098463de4c5d 57 : "=r" (value) /* output operands */
group-onsemi 0:098463de4c5d 58 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
group-onsemi 0:098463de4c5d 59 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
group-onsemi 0:098463de4c5d 60 );
group-onsemi 0:098463de4c5d 61
group-onsemi 0:098463de4c5d 62 return value;
group-onsemi 0:098463de4c5d 63 }
group-onsemi 0:098463de4c5d 64 #endif
group-onsemi 0:098463de4c5d 65 #endif
group-onsemi 0:098463de4c5d 66
group-onsemi 0:098463de4c5d 67 #if DEVICE_LOCALFILESYSTEM
group-onsemi 0:098463de4c5d 68 FILEHANDLE semihost_open(const char* name, int openmode);
group-onsemi 0:098463de4c5d 69 int semihost_close (FILEHANDLE fh);
group-onsemi 0:098463de4c5d 70 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
group-onsemi 0:098463de4c5d 71 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
group-onsemi 0:098463de4c5d 72 int semihost_ensure(FILEHANDLE fh);
group-onsemi 0:098463de4c5d 73 long semihost_flen (FILEHANDLE fh);
group-onsemi 0:098463de4c5d 74 int semihost_seek (FILEHANDLE fh, long position);
group-onsemi 0:098463de4c5d 75 int semihost_istty (FILEHANDLE fh);
group-onsemi 0:098463de4c5d 76
group-onsemi 0:098463de4c5d 77 int semihost_remove(const char *name);
group-onsemi 0:098463de4c5d 78 int semihost_rename(const char *old_name, const char *new_name);
group-onsemi 0:098463de4c5d 79 #endif
group-onsemi 0:098463de4c5d 80
group-onsemi 0:098463de4c5d 81 int semihost_uid(char *uid);
group-onsemi 0:098463de4c5d 82 int semihost_reset(void);
group-onsemi 0:098463de4c5d 83 int semihost_vbus(void);
group-onsemi 0:098463de4c5d 84 int semihost_powerdown(void);
group-onsemi 0:098463de4c5d 85 int semihost_exit(void);
group-onsemi 0:098463de4c5d 86
group-onsemi 0:098463de4c5d 87 int semihost_connected(void);
group-onsemi 0:098463de4c5d 88 int semihost_disabledebug(void);
group-onsemi 0:098463de4c5d 89
group-onsemi 0:098463de4c5d 90 #endif
group-onsemi 0:098463de4c5d 91
group-onsemi 0:098463de4c5d 92 #ifdef __cplusplus
group-onsemi 0:098463de4c5d 93 }
group-onsemi 0:098463de4c5d 94 #endif
group-onsemi 0:098463de4c5d 95
group-onsemi 0:098463de4c5d 96 #endif
group-onsemi 0:098463de4c5d 97
group-onsemi 0:098463de4c5d 98 /** @}*/