Kev Mann / mbed-dev-OS5_10_4

RTC auf true

platform/mbed_semihost_api.h@2:7aab896b1a3b, 2019-03-13 (annotated)

Committer:
kevman
Date:
Wed Mar 13 11:03:24 2019 +0000
Revision:
2:7aab896b1a3b
Parent:
0:38ceb79fef03 
2019-03-13

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1
kevman 0:38ceb79fef03 2 /* mbed Microcontroller Library
kevman 0:38ceb79fef03 3 * Copyright (c) 2006-2013 ARM Limited
kevman 0:38ceb79fef03 4 *
kevman 0:38ceb79fef03 5 * Licensed under the Apache License, Version 2.0 (the "License");
kevman 0:38ceb79fef03 6 * you may not use this file except in compliance with the License.
kevman 0:38ceb79fef03 7 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 8 *
kevman 0:38ceb79fef03 9 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 10 *
kevman 0:38ceb79fef03 11 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 12 * distributed under the License is distributed on an "AS IS" BASIS,
kevman 0:38ceb79fef03 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 14 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 15 * limitations under the License.
kevman 0:38ceb79fef03 16 */
kevman 0:38ceb79fef03 17 #ifndef MBED_SEMIHOST_H
kevman 0:38ceb79fef03 18 #define MBED_SEMIHOST_H
kevman 0:38ceb79fef03 19
kevman 0:38ceb79fef03 20 #include "device.h"
kevman 0:38ceb79fef03 21 #include "platform/mbed_toolchain.h"
kevman 0:38ceb79fef03 22
kevman 0:38ceb79fef03 23 #ifdef __cplusplus
kevman 0:38ceb79fef03 24 extern "C" {
kevman 0:38ceb79fef03 25 #endif
kevman 0:38ceb79fef03 26
kevman 0:38ceb79fef03 27 #if DEVICE_SEMIHOST
kevman 0:38ceb79fef03 28
kevman 0:38ceb79fef03 29 #if !defined(__CC_ARM) && !defined(__ARMCC_VERSION)
kevman 0:38ceb79fef03 30
kevman 0:38ceb79fef03 31 #if defined(__ICCARM__)
kevman 0:38ceb79fef03 32 static inline int __semihost(int reason, const void *arg)
kevman 0:38ceb79fef03 33 {
kevman 0:38ceb79fef03 34 return __semihosting(reason, (void *)arg);
kevman 0:38ceb79fef03 35 }
kevman 0:38ceb79fef03 36 #else
kevman 0:38ceb79fef03 37
kevman 0:38ceb79fef03 38 #ifdef __thumb__
kevman 0:38ceb79fef03 39 # define AngelSWI 0xAB
kevman 0:38ceb79fef03 40 # define AngelSWIInsn "bkpt"
kevman 0:38ceb79fef03 41 # define AngelSWIAsm bkpt
kevman 0:38ceb79fef03 42 #else
kevman 0:38ceb79fef03 43 # define AngelSWI 0x123456
kevman 0:38ceb79fef03 44 # define AngelSWIInsn "swi"
kevman 0:38ceb79fef03 45 # define AngelSWIAsm swi
kevman 0:38ceb79fef03 46 #endif
kevman 0:38ceb79fef03 47
kevman 0:38ceb79fef03 48 static inline int __semihost(int reason, const void *arg)
kevman 0:38ceb79fef03 49 {
kevman 0:38ceb79fef03 50 int value;
kevman 0:38ceb79fef03 51
kevman 0:38ceb79fef03 52 asm volatile(
kevman 0:38ceb79fef03 53 "mov r0, %1" "\n\t"
kevman 0:38ceb79fef03 54 "mov r1, %2" "\n\t"
kevman 0:38ceb79fef03 55 AngelSWIInsn " %a3" "\n\t"
kevman 0:38ceb79fef03 56 "mov %0, r0"
kevman 0:38ceb79fef03 57 : "=r"(value) /* output operands */
kevman 0:38ceb79fef03 58 : "r"(reason), "r"(arg), "i"(AngelSWI) /* input operands */
kevman 0:38ceb79fef03 59 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
kevman 0:38ceb79fef03 60 );
kevman 0:38ceb79fef03 61
kevman 0:38ceb79fef03 62 return value;
kevman 0:38ceb79fef03 63 }
kevman 0:38ceb79fef03 64 #endif
kevman 0:38ceb79fef03 65 #endif
kevman 0:38ceb79fef03 66
kevman 0:38ceb79fef03 67 #if DEVICE_LOCALFILESYSTEM
kevman 0:38ceb79fef03 68 FILEHANDLE semihost_open(const char *name, int openmode);
kevman 0:38ceb79fef03 69 int semihost_close(FILEHANDLE fh);
kevman 0:38ceb79fef03 70 int semihost_read(FILEHANDLE fh, unsigned char *buffer, unsigned int length, int mode);
kevman 0:38ceb79fef03 71 int semihost_write(FILEHANDLE fh, const unsigned char *buffer, unsigned int length, int mode);
kevman 0:38ceb79fef03 72 int semihost_ensure(FILEHANDLE fh);
kevman 0:38ceb79fef03 73 long semihost_flen(FILEHANDLE fh);
kevman 0:38ceb79fef03 74 int semihost_seek(FILEHANDLE fh, long position);
kevman 0:38ceb79fef03 75 int semihost_istty(FILEHANDLE fh);
kevman 0:38ceb79fef03 76
kevman 0:38ceb79fef03 77 int semihost_remove(const char *name);
kevman 0:38ceb79fef03 78 int semihost_rename(const char *old_name, const char *new_name);
kevman 0:38ceb79fef03 79 #endif
kevman 0:38ceb79fef03 80
kevman 0:38ceb79fef03 81 int semihost_uid(char *uid);
kevman 0:38ceb79fef03 82 int semihost_reset(void);
kevman 0:38ceb79fef03 83 int semihost_vbus(void);
kevman 0:38ceb79fef03 84 int semihost_powerdown(void);
kevman 0:38ceb79fef03 85 int semihost_exit(void);
kevman 0:38ceb79fef03 86
kevman 0:38ceb79fef03 87 int semihost_connected(void);
kevman 0:38ceb79fef03 88 int semihost_disabledebug(void);
kevman 0:38ceb79fef03 89
kevman 0:38ceb79fef03 90 #endif
kevman 0:38ceb79fef03 91
kevman 0:38ceb79fef03 92 #ifdef __cplusplus
kevman 0:38ceb79fef03 93 }
kevman 0:38ceb79fef03 94 #endif
kevman 0:38ceb79fef03 95
kevman 0:38ceb79fef03 96 #endif
kevman 0:38ceb79fef03 97
kevman 0:38ceb79fef03 98