Daiki Kato / mbed-os-lychee

mbed-os for GR-LYCHEE

Dependents:   mbed-os-example-blinky-gr-lychee GR-Boads_Camera_sample GR-Boards_Audio_Recoder GR-Boads_Camera_DisplayApp ... more

platform/mbed_semihost_api.h@0:f782d9c66c49, 2018-02-02 (annotated)

Committer:
dkato
Date:
Fri Feb 02 05:42:23 2018 +0000
Revision:
0:f782d9c66c49
mbed-os for GR-LYCHEE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dkato 0:f782d9c66c49 1
dkato 0:f782d9c66c49 2 /** \addtogroup platform */
dkato 0:f782d9c66c49 3 /** @{*/
dkato 0:f782d9c66c49 4 /* mbed Microcontroller Library
dkato 0:f782d9c66c49 5 * Copyright (c) 2006-2013 ARM Limited
dkato 0:f782d9c66c49 6 *
dkato 0:f782d9c66c49 7 * Licensed under the Apache License, Version 2.0 (the "License");
dkato 0:f782d9c66c49 8 * you may not use this file except in compliance with the License.
dkato 0:f782d9c66c49 9 * You may obtain a copy of the License at
dkato 0:f782d9c66c49 10 *
dkato 0:f782d9c66c49 11 * http://www.apache.org/licenses/LICENSE-2.0
dkato 0:f782d9c66c49 12 *
dkato 0:f782d9c66c49 13 * Unless required by applicable law or agreed to in writing, software
dkato 0:f782d9c66c49 14 * distributed under the License is distributed on an "AS IS" BASIS,
dkato 0:f782d9c66c49 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dkato 0:f782d9c66c49 16 * See the License for the specific language governing permissions and
dkato 0:f782d9c66c49 17 * limitations under the License.
dkato 0:f782d9c66c49 18 */
dkato 0:f782d9c66c49 19 #ifndef MBED_SEMIHOST_H
dkato 0:f782d9c66c49 20 #define MBED_SEMIHOST_H
dkato 0:f782d9c66c49 21
dkato 0:f782d9c66c49 22 #include "device.h"
dkato 0:f782d9c66c49 23 #include "platform/mbed_toolchain.h"
dkato 0:f782d9c66c49 24
dkato 0:f782d9c66c49 25 #ifdef __cplusplus
dkato 0:f782d9c66c49 26 extern "C" {
dkato 0:f782d9c66c49 27 #endif
dkato 0:f782d9c66c49 28
dkato 0:f782d9c66c49 29 #if DEVICE_SEMIHOST
dkato 0:f782d9c66c49 30
dkato 0:f782d9c66c49 31 #ifndef __CC_ARM
dkato 0:f782d9c66c49 32
dkato 0:f782d9c66c49 33 #if defined(__ICCARM__)
dkato 0:f782d9c66c49 34 static inline int __semihost(int reason, const void *arg) {
dkato 0:f782d9c66c49 35 return __semihosting(reason, (void*)arg);
dkato 0:f782d9c66c49 36 }
dkato 0:f782d9c66c49 37 #else
dkato 0:f782d9c66c49 38
dkato 0:f782d9c66c49 39 #ifdef __thumb__
dkato 0:f782d9c66c49 40 # define AngelSWI 0xAB
dkato 0:f782d9c66c49 41 # define AngelSWIInsn "bkpt"
dkato 0:f782d9c66c49 42 # define AngelSWIAsm bkpt
dkato 0:f782d9c66c49 43 #else
dkato 0:f782d9c66c49 44 # define AngelSWI 0x123456
dkato 0:f782d9c66c49 45 # define AngelSWIInsn "swi"
dkato 0:f782d9c66c49 46 # define AngelSWIAsm swi
dkato 0:f782d9c66c49 47 #endif
dkato 0:f782d9c66c49 48
dkato 0:f782d9c66c49 49 static inline int __semihost(int reason, const void *arg) {
dkato 0:f782d9c66c49 50 int value;
dkato 0:f782d9c66c49 51
dkato 0:f782d9c66c49 52 asm volatile (
dkato 0:f782d9c66c49 53 "mov r0, %1" "\n\t"
dkato 0:f782d9c66c49 54 "mov r1, %2" "\n\t"
dkato 0:f782d9c66c49 55 AngelSWIInsn " %a3" "\n\t"
dkato 0:f782d9c66c49 56 "mov %0, r0"
dkato 0:f782d9c66c49 57 : "=r" (value) /* output operands */
dkato 0:f782d9c66c49 58 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
dkato 0:f782d9c66c49 59 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
dkato 0:f782d9c66c49 60 );
dkato 0:f782d9c66c49 61
dkato 0:f782d9c66c49 62 return value;
dkato 0:f782d9c66c49 63 }
dkato 0:f782d9c66c49 64 #endif
dkato 0:f782d9c66c49 65 #endif
dkato 0:f782d9c66c49 66
dkato 0:f782d9c66c49 67 #if DEVICE_LOCALFILESYSTEM
dkato 0:f782d9c66c49 68 FILEHANDLE semihost_open(const char* name, int openmode);
dkato 0:f782d9c66c49 69 int semihost_close (FILEHANDLE fh);
dkato 0:f782d9c66c49 70 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
dkato 0:f782d9c66c49 71 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
dkato 0:f782d9c66c49 72 int semihost_ensure(FILEHANDLE fh);
dkato 0:f782d9c66c49 73 long semihost_flen (FILEHANDLE fh);
dkato 0:f782d9c66c49 74 int semihost_seek (FILEHANDLE fh, long position);
dkato 0:f782d9c66c49 75 int semihost_istty (FILEHANDLE fh);
dkato 0:f782d9c66c49 76
dkato 0:f782d9c66c49 77 int semihost_remove(const char *name);
dkato 0:f782d9c66c49 78 int semihost_rename(const char *old_name, const char *new_name);
dkato 0:f782d9c66c49 79 #endif
dkato 0:f782d9c66c49 80
dkato 0:f782d9c66c49 81 int semihost_uid(char *uid);
dkato 0:f782d9c66c49 82 int semihost_reset(void);
dkato 0:f782d9c66c49 83 int semihost_vbus(void);
dkato 0:f782d9c66c49 84 int semihost_powerdown(void);
dkato 0:f782d9c66c49 85 int semihost_exit(void);
dkato 0:f782d9c66c49 86
dkato 0:f782d9c66c49 87 int semihost_connected(void);
dkato 0:f782d9c66c49 88 int semihost_disabledebug(void);
dkato 0:f782d9c66c49 89
dkato 0:f782d9c66c49 90 #endif
dkato 0:f782d9c66c49 91
dkato 0:f782d9c66c49 92 #ifdef __cplusplus
dkato 0:f782d9c66c49 93 }
dkato 0:f782d9c66c49 94 #endif
dkato 0:f782d9c66c49 95
dkato 0:f782d9c66c49 96 #endif
dkato 0:f782d9c66c49 97
dkato 0:f782d9c66c49 98 /** @}*/