[11U68]fix P0_11 to use GPIO
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semihost_api.h
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #ifndef MBED_SEMIHOST_H 00017 #define MBED_SEMIHOST_H 00018 00019 #include "device.h" 00020 #include "toolchain.h" 00021 00022 #ifdef __cplusplus 00023 extern "C" { 00024 #endif 00025 00026 #if DEVICE_SEMIHOST 00027 00028 #ifndef __CC_ARM 00029 00030 #if defined(__ICCARM__) 00031 inline int __semihost(int reason, const void *arg) { 00032 return __semihosting(reason, (void*)arg); 00033 } 00034 #else 00035 00036 #ifdef __thumb__ 00037 # define AngelSWI 0xAB 00038 # define AngelSWIInsn "bkpt" 00039 # define AngelSWIAsm bkpt 00040 #else 00041 # define AngelSWI 0x123456 00042 # define AngelSWIInsn "swi" 00043 # define AngelSWIAsm swi 00044 #endif 00045 00046 static inline int __semihost(int reason, const void *arg) { 00047 int value; 00048 00049 asm volatile ( 00050 "mov r0, %1" "\n\t" 00051 "mov r1, %2" "\n\t" 00052 AngelSWIInsn " %a3" "\n\t" 00053 "mov %0, r0" 00054 : "=r" (value) /* output operands */ 00055 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */ 00056 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */ 00057 ); 00058 00059 return value; 00060 } 00061 #endif 00062 #endif 00063 00064 #if DEVICE_LOCALFILESYSTEM 00065 FILEHANDLE semihost_open(const char* name, int openmode); 00066 int semihost_close (FILEHANDLE fh); 00067 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode); 00068 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode); 00069 int semihost_ensure(FILEHANDLE fh); 00070 long semihost_flen (FILEHANDLE fh); 00071 int semihost_seek (FILEHANDLE fh, long position); 00072 int semihost_istty (FILEHANDLE fh); 00073 00074 int semihost_remove(const char *name); 00075 int semihost_rename(const char *old_name, const char *new_name); 00076 #endif 00077 00078 int semihost_uid(char *uid); 00079 int semihost_reset(void); 00080 int semihost_vbus(void); 00081 int semihost_powerdown(void); 00082 int semihost_exit(void); 00083 00084 int semihost_connected(void); 00085 int semihost_disabledebug(void); 00086 00087 #endif 00088 00089 #ifdef __cplusplus 00090 } 00091 #endif 00092 00093 #endif
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