Morpheus / mbed-hal

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Dependencies:   target-freescale

api/semihost_api.h@20:06bbf6d2334c, 2016-04-22 (annotated)

Committer:
screamer
Date:
Fri Apr 22 13:40:25 2016 +0100
Revision:
20:06bbf6d2334c
Parent:
0:9c59db1fbc9e 
Update library references

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:9c59db1fbc9e 1 /* mbed Microcontroller Library
screamer 0:9c59db1fbc9e 2 * Copyright (c) 2006-2013 ARM Limited
screamer 0:9c59db1fbc9e 3 *
screamer 0:9c59db1fbc9e 4 * Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:9c59db1fbc9e 5 * you may not use this file except in compliance with the License.
screamer 0:9c59db1fbc9e 6 * You may obtain a copy of the License at
screamer 0:9c59db1fbc9e 7 *
screamer 0:9c59db1fbc9e 8 * http://www.apache.org/licenses/LICENSE-2.0
screamer 0:9c59db1fbc9e 9 *
screamer 0:9c59db1fbc9e 10 * Unless required by applicable law or agreed to in writing, software
screamer 0:9c59db1fbc9e 11 * distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:9c59db1fbc9e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:9c59db1fbc9e 13 * See the License for the specific language governing permissions and
screamer 0:9c59db1fbc9e 14 * limitations under the License.
screamer 0:9c59db1fbc9e 15 */
screamer 0:9c59db1fbc9e 16 #ifndef MBED_SEMIHOST_H
screamer 0:9c59db1fbc9e 17 #define MBED_SEMIHOST_H
screamer 0:9c59db1fbc9e 18
screamer 0:9c59db1fbc9e 19 #include "device.h"
screamer 0:9c59db1fbc9e 20 #include "toolchain.h"
screamer 0:9c59db1fbc9e 21
screamer 0:9c59db1fbc9e 22 #ifdef __cplusplus
screamer 0:9c59db1fbc9e 23 extern "C" {
screamer 0:9c59db1fbc9e 24 #endif
screamer 0:9c59db1fbc9e 25
screamer 0:9c59db1fbc9e 26 #if DEVICE_SEMIHOST
screamer 0:9c59db1fbc9e 27
screamer 0:9c59db1fbc9e 28 #ifndef __CC_ARM
screamer 0:9c59db1fbc9e 29
screamer 0:9c59db1fbc9e 30 #if defined(__ICCARM__)
screamer 0:9c59db1fbc9e 31 inline int __semihost(int reason, const void *arg) {
screamer 0:9c59db1fbc9e 32 return __semihosting(reason, (void*)arg);
screamer 0:9c59db1fbc9e 33 }
screamer 0:9c59db1fbc9e 34 #else
screamer 0:9c59db1fbc9e 35
screamer 0:9c59db1fbc9e 36 #ifdef __thumb__
screamer 0:9c59db1fbc9e 37 # define AngelSWI 0xAB
screamer 0:9c59db1fbc9e 38 # define AngelSWIInsn "bkpt"
screamer 0:9c59db1fbc9e 39 # define AngelSWIAsm bkpt
screamer 0:9c59db1fbc9e 40 #else
screamer 0:9c59db1fbc9e 41 # define AngelSWI 0x123456
screamer 0:9c59db1fbc9e 42 # define AngelSWIInsn "swi"
screamer 0:9c59db1fbc9e 43 # define AngelSWIAsm swi
screamer 0:9c59db1fbc9e 44 #endif
screamer 0:9c59db1fbc9e 45
screamer 0:9c59db1fbc9e 46 static inline int __semihost(int reason, const void *arg) {
screamer 0:9c59db1fbc9e 47 int value;
screamer 0:9c59db1fbc9e 48
screamer 0:9c59db1fbc9e 49 asm volatile (
screamer 0:9c59db1fbc9e 50 "mov r0, %1" "\n\t"
screamer 0:9c59db1fbc9e 51 "mov r1, %2" "\n\t"
screamer 0:9c59db1fbc9e 52 AngelSWIInsn " %a3" "\n\t"
screamer 0:9c59db1fbc9e 53 "mov %0, r0"
screamer 0:9c59db1fbc9e 54 : "=r" (value) /* output operands */
screamer 0:9c59db1fbc9e 55 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
screamer 0:9c59db1fbc9e 56 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
screamer 0:9c59db1fbc9e 57 );
screamer 0:9c59db1fbc9e 58
screamer 0:9c59db1fbc9e 59 return value;
screamer 0:9c59db1fbc9e 60 }
screamer 0:9c59db1fbc9e 61 #endif
screamer 0:9c59db1fbc9e 62 #endif
screamer 0:9c59db1fbc9e 63
screamer 0:9c59db1fbc9e 64 #if DEVICE_LOCALFILESYSTEM
screamer 0:9c59db1fbc9e 65 FILEHANDLE semihost_open(const char* name, int openmode);
screamer 0:9c59db1fbc9e 66 int semihost_close (FILEHANDLE fh);
screamer 0:9c59db1fbc9e 67 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
screamer 0:9c59db1fbc9e 68 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
screamer 0:9c59db1fbc9e 69 int semihost_ensure(FILEHANDLE fh);
screamer 0:9c59db1fbc9e 70 long semihost_flen (FILEHANDLE fh);
screamer 0:9c59db1fbc9e 71 int semihost_seek (FILEHANDLE fh, long position);
screamer 0:9c59db1fbc9e 72 int semihost_istty (FILEHANDLE fh);
screamer 0:9c59db1fbc9e 73
screamer 0:9c59db1fbc9e 74 int semihost_remove(const char *name);
screamer 0:9c59db1fbc9e 75 int semihost_rename(const char *old_name, const char *new_name);
screamer 0:9c59db1fbc9e 76 #endif
screamer 0:9c59db1fbc9e 77
screamer 0:9c59db1fbc9e 78 int semihost_uid(char *uid);
screamer 0:9c59db1fbc9e 79 int semihost_reset(void);
screamer 0:9c59db1fbc9e 80 int semihost_vbus(void);
screamer 0:9c59db1fbc9e 81 int semihost_powerdown(void);
screamer 0:9c59db1fbc9e 82 int semihost_exit(void);
screamer 0:9c59db1fbc9e 83
screamer 0:9c59db1fbc9e 84 int semihost_connected(void);
screamer 0:9c59db1fbc9e 85 int semihost_disabledebug(void);
screamer 0:9c59db1fbc9e 86
screamer 0:9c59db1fbc9e 87 #endif
screamer 0:9c59db1fbc9e 88
screamer 0:9c59db1fbc9e 89 #ifdef __cplusplus
screamer 0:9c59db1fbc9e 90 }
screamer 0:9c59db1fbc9e 91 #endif
screamer 0:9c59db1fbc9e 92
screamer 0:9c59db1fbc9e 93 #endif
screamer 0:9c59db1fbc9e 94