Juan Salazar / mbed

test

Dependents:   robotic_fish_7

semihost_api.h@0:44931ff4a3ed, 2020-01-14 (annotated)

Committer:
juansal12
Date:
Tue Jan 14 19:14:29 2020 +0000
Revision:
0:44931ff4a3ed
Sofi 7 code;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
juansal12 0:44931ff4a3ed 1 /* mbed Microcontroller Library
juansal12 0:44931ff4a3ed 2 * Copyright (c) 2006-2013 ARM Limited
juansal12 0:44931ff4a3ed 3 *
juansal12 0:44931ff4a3ed 4 * Licensed under the Apache License, Version 2.0 (the "License");
juansal12 0:44931ff4a3ed 5 * you may not use this file except in compliance with the License.
juansal12 0:44931ff4a3ed 6 * You may obtain a copy of the License at
juansal12 0:44931ff4a3ed 7 *
juansal12 0:44931ff4a3ed 8 * http://www.apache.org/licenses/LICENSE-2.0
juansal12 0:44931ff4a3ed 9 *
juansal12 0:44931ff4a3ed 10 * Unless required by applicable law or agreed to in writing, software
juansal12 0:44931ff4a3ed 11 * distributed under the License is distributed on an "AS IS" BASIS,
juansal12 0:44931ff4a3ed 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
juansal12 0:44931ff4a3ed 13 * See the License for the specific language governing permissions and
juansal12 0:44931ff4a3ed 14 * limitations under the License.
juansal12 0:44931ff4a3ed 15 */
juansal12 0:44931ff4a3ed 16 #ifndef MBED_SEMIHOST_H
juansal12 0:44931ff4a3ed 17 #define MBED_SEMIHOST_H
juansal12 0:44931ff4a3ed 18
juansal12 0:44931ff4a3ed 19 #include "device.h"
juansal12 0:44931ff4a3ed 20 #include "toolchain.h"
juansal12 0:44931ff4a3ed 21
juansal12 0:44931ff4a3ed 22 #ifdef __cplusplus
juansal12 0:44931ff4a3ed 23 extern "C" {
juansal12 0:44931ff4a3ed 24 #endif
juansal12 0:44931ff4a3ed 25
juansal12 0:44931ff4a3ed 26 #if DEVICE_SEMIHOST
juansal12 0:44931ff4a3ed 27
juansal12 0:44931ff4a3ed 28 #ifndef __CC_ARM
juansal12 0:44931ff4a3ed 29
juansal12 0:44931ff4a3ed 30 #if defined(__ICCARM__)
juansal12 0:44931ff4a3ed 31 inline int __semihost(int reason, const void *arg) {
juansal12 0:44931ff4a3ed 32 return __semihosting(reason, (void*)arg);
juansal12 0:44931ff4a3ed 33 }
juansal12 0:44931ff4a3ed 34 #else
juansal12 0:44931ff4a3ed 35
juansal12 0:44931ff4a3ed 36 #ifdef __thumb__
juansal12 0:44931ff4a3ed 37 # define AngelSWI 0xAB
juansal12 0:44931ff4a3ed 38 # define AngelSWIInsn "bkpt"
juansal12 0:44931ff4a3ed 39 # define AngelSWIAsm bkpt
juansal12 0:44931ff4a3ed 40 #else
juansal12 0:44931ff4a3ed 41 # define AngelSWI 0x123456
juansal12 0:44931ff4a3ed 42 # define AngelSWIInsn "swi"
juansal12 0:44931ff4a3ed 43 # define AngelSWIAsm swi
juansal12 0:44931ff4a3ed 44 #endif
juansal12 0:44931ff4a3ed 45
juansal12 0:44931ff4a3ed 46 static inline int __semihost(int reason, const void *arg) {
juansal12 0:44931ff4a3ed 47 int value;
juansal12 0:44931ff4a3ed 48
juansal12 0:44931ff4a3ed 49 asm volatile (
juansal12 0:44931ff4a3ed 50 "mov r0, %1" "\n\t"
juansal12 0:44931ff4a3ed 51 "mov r1, %2" "\n\t"
juansal12 0:44931ff4a3ed 52 AngelSWIInsn " %a3" "\n\t"
juansal12 0:44931ff4a3ed 53 "mov %0, r0"
juansal12 0:44931ff4a3ed 54 : "=r" (value) /* output operands */
juansal12 0:44931ff4a3ed 55 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
juansal12 0:44931ff4a3ed 56 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
juansal12 0:44931ff4a3ed 57 );
juansal12 0:44931ff4a3ed 58
juansal12 0:44931ff4a3ed 59 return value;
juansal12 0:44931ff4a3ed 60 }
juansal12 0:44931ff4a3ed 61 #endif
juansal12 0:44931ff4a3ed 62 #endif
juansal12 0:44931ff4a3ed 63
juansal12 0:44931ff4a3ed 64 #if DEVICE_LOCALFILESYSTEM
juansal12 0:44931ff4a3ed 65 FILEHANDLE semihost_open(const char* name, int openmode);
juansal12 0:44931ff4a3ed 66 int semihost_close (FILEHANDLE fh);
juansal12 0:44931ff4a3ed 67 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
juansal12 0:44931ff4a3ed 68 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
juansal12 0:44931ff4a3ed 69 int semihost_ensure(FILEHANDLE fh);
juansal12 0:44931ff4a3ed 70 long semihost_flen (FILEHANDLE fh);
juansal12 0:44931ff4a3ed 71 int semihost_seek (FILEHANDLE fh, long position);
juansal12 0:44931ff4a3ed 72 int semihost_istty (FILEHANDLE fh);
juansal12 0:44931ff4a3ed 73
juansal12 0:44931ff4a3ed 74 int semihost_remove(const char *name);
juansal12 0:44931ff4a3ed 75 int semihost_rename(const char *old_name, const char *new_name);
juansal12 0:44931ff4a3ed 76 #endif
juansal12 0:44931ff4a3ed 77
juansal12 0:44931ff4a3ed 78 int semihost_uid(char *uid);
juansal12 0:44931ff4a3ed 79 int semihost_reset(void);
juansal12 0:44931ff4a3ed 80 int semihost_vbus(void);
juansal12 0:44931ff4a3ed 81 int semihost_powerdown(void);
juansal12 0:44931ff4a3ed 82 int semihost_exit(void);
juansal12 0:44931ff4a3ed 83
juansal12 0:44931ff4a3ed 84 int semihost_connected(void);
juansal12 0:44931ff4a3ed 85 int semihost_disabledebug(void);
juansal12 0:44931ff4a3ed 86
juansal12 0:44931ff4a3ed 87 #endif
juansal12 0:44931ff4a3ed 88
juansal12 0:44931ff4a3ed 89 #ifdef __cplusplus
juansal12 0:44931ff4a3ed 90 }
juansal12 0:44931ff4a3ed 91 #endif
juansal12 0:44931ff4a3ed 92
juansal12 0:44931ff4a3ed 93 #endif