Emir Sokic / mbedPAI Featured

mbed.h verzija za koristenje na predmetu PAI

semihost_api.h@0:05aad811ea07, 2015-03-10 (annotated)

Committer:
esokic
Date:
Tue Mar 10 09:51:52 2015 +0000
Revision:
0:05aad811ea07
mbed.h verzija od marta 2014, za koristenje na predmetu PAI

Who changed what in which revision?

UserRevisionLine numberNew contents of line
esokic 0:05aad811ea07 1 /* mbed Microcontroller Library
esokic 0:05aad811ea07 2 * Copyright (c) 2006-2013 ARM Limited
esokic 0:05aad811ea07 3 *
esokic 0:05aad811ea07 4 * Licensed under the Apache License, Version 2.0 (the "License");
esokic 0:05aad811ea07 5 * you may not use this file except in compliance with the License.
esokic 0:05aad811ea07 6 * You may obtain a copy of the License at
esokic 0:05aad811ea07 7 *
esokic 0:05aad811ea07 8 * http://www.apache.org/licenses/LICENSE-2.0
esokic 0:05aad811ea07 9 *
esokic 0:05aad811ea07 10 * Unless required by applicable law or agreed to in writing, software
esokic 0:05aad811ea07 11 * distributed under the License is distributed on an "AS IS" BASIS,
esokic 0:05aad811ea07 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
esokic 0:05aad811ea07 13 * See the License for the specific language governing permissions and
esokic 0:05aad811ea07 14 * limitations under the License.
esokic 0:05aad811ea07 15 */
esokic 0:05aad811ea07 16 #ifndef MBED_SEMIHOST_H
esokic 0:05aad811ea07 17 #define MBED_SEMIHOST_H
esokic 0:05aad811ea07 18
esokic 0:05aad811ea07 19 #include "device.h"
esokic 0:05aad811ea07 20 #include "toolchain.h"
esokic 0:05aad811ea07 21
esokic 0:05aad811ea07 22 #ifdef __cplusplus
esokic 0:05aad811ea07 23 extern "C" {
esokic 0:05aad811ea07 24 #endif
esokic 0:05aad811ea07 25
esokic 0:05aad811ea07 26 #if DEVICE_SEMIHOST
esokic 0:05aad811ea07 27
esokic 0:05aad811ea07 28 #ifndef __CC_ARM
esokic 0:05aad811ea07 29
esokic 0:05aad811ea07 30 #if defined(__ICCARM__)
esokic 0:05aad811ea07 31 inline int __semihost(int reason, const void *arg) {
esokic 0:05aad811ea07 32 return __semihosting(reason, (void*)arg);
esokic 0:05aad811ea07 33 }
esokic 0:05aad811ea07 34 #else
esokic 0:05aad811ea07 35
esokic 0:05aad811ea07 36 #ifdef __thumb__
esokic 0:05aad811ea07 37 # define AngelSWI 0xAB
esokic 0:05aad811ea07 38 # define AngelSWIInsn "bkpt"
esokic 0:05aad811ea07 39 # define AngelSWIAsm bkpt
esokic 0:05aad811ea07 40 #else
esokic 0:05aad811ea07 41 # define AngelSWI 0x123456
esokic 0:05aad811ea07 42 # define AngelSWIInsn "swi"
esokic 0:05aad811ea07 43 # define AngelSWIAsm swi
esokic 0:05aad811ea07 44 #endif
esokic 0:05aad811ea07 45
esokic 0:05aad811ea07 46 static inline int __semihost(int reason, const void *arg) {
esokic 0:05aad811ea07 47 int value;
esokic 0:05aad811ea07 48
esokic 0:05aad811ea07 49 asm volatile (
esokic 0:05aad811ea07 50 "mov r0, %1" "\n\t"
esokic 0:05aad811ea07 51 "mov r1, %2" "\n\t"
esokic 0:05aad811ea07 52 AngelSWIInsn " %a3" "\n\t"
esokic 0:05aad811ea07 53 "mov %0, r0"
esokic 0:05aad811ea07 54 : "=r" (value) /* output operands */
esokic 0:05aad811ea07 55 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
esokic 0:05aad811ea07 56 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
esokic 0:05aad811ea07 57 );
esokic 0:05aad811ea07 58
esokic 0:05aad811ea07 59 return value;
esokic 0:05aad811ea07 60 }
esokic 0:05aad811ea07 61 #endif
esokic 0:05aad811ea07 62 #endif
esokic 0:05aad811ea07 63
esokic 0:05aad811ea07 64 #if DEVICE_LOCALFILESYSTEM
esokic 0:05aad811ea07 65 FILEHANDLE semihost_open(const char* name, int openmode);
esokic 0:05aad811ea07 66 int semihost_close (FILEHANDLE fh);
esokic 0:05aad811ea07 67 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
esokic 0:05aad811ea07 68 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
esokic 0:05aad811ea07 69 int semihost_ensure(FILEHANDLE fh);
esokic 0:05aad811ea07 70 long semihost_flen (FILEHANDLE fh);
esokic 0:05aad811ea07 71 int semihost_seek (FILEHANDLE fh, long position);
esokic 0:05aad811ea07 72 int semihost_istty (FILEHANDLE fh);
esokic 0:05aad811ea07 73
esokic 0:05aad811ea07 74 int semihost_remove(const char *name);
esokic 0:05aad811ea07 75 int semihost_rename(const char *old_name, const char *new_name);
esokic 0:05aad811ea07 76 #endif
esokic 0:05aad811ea07 77
esokic 0:05aad811ea07 78 int semihost_uid(char *uid);
esokic 0:05aad811ea07 79 int semihost_reset(void);
esokic 0:05aad811ea07 80 int semihost_vbus(void);
esokic 0:05aad811ea07 81 int semihost_powerdown(void);
esokic 0:05aad811ea07 82 int semihost_exit(void);
esokic 0:05aad811ea07 83
esokic 0:05aad811ea07 84 int semihost_connected(void);
esokic 0:05aad811ea07 85 int semihost_disabledebug(void);
esokic 0:05aad811ea07 86
esokic 0:05aad811ea07 87 #endif
esokic 0:05aad811ea07 88
esokic 0:05aad811ea07 89 #ifdef __cplusplus
esokic 0:05aad811ea07 90 }
esokic 0:05aad811ea07 91 #endif
esokic 0:05aad811ea07 92
esokic 0:05aad811ea07 93 #endif