Emilio Monti / mbed-KL25Z

mbed libraries for KL25Z

Dependents:   FRDM_RGBLED

semihost_api.h@9:663789d7729f, 2013-02-18 (annotated)

Committer:
emilmont
Date:
Mon Feb 18 09:41:56 2013 +0000
Revision:
9:663789d7729f
Parent:
8:c14af7958ef5 
Update mbed-KL25Z to latest build

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 9:663789d7729f 1 /* mbed Microcontroller Library
emilmont 9:663789d7729f 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 9:663789d7729f 3 *
emilmont 9:663789d7729f 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 9:663789d7729f 5 * you may not use this file except in compliance with the License.
emilmont 9:663789d7729f 6 * You may obtain a copy of the License at
emilmont 9:663789d7729f 7 *
emilmont 9:663789d7729f 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 9:663789d7729f 9 *
emilmont 9:663789d7729f 10 * Unless required by applicable law or agreed to in writing, software
emilmont 9:663789d7729f 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 9:663789d7729f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 9:663789d7729f 13 * See the License for the specific language governing permissions and
emilmont 9:663789d7729f 14 * limitations under the License.
emilmont 9:663789d7729f 15 */
emilmont 9:663789d7729f 16 #ifndef MBED_SEMIHOST_H
emilmont 9:663789d7729f 17 #define MBED_SEMIHOST_H
emilmont 9:663789d7729f 18
emilmont 9:663789d7729f 19 #include "device.h"
emilmont 9:663789d7729f 20 #include "toolchain.h"
emilmont 9:663789d7729f 21
emilmont 9:663789d7729f 22 #ifdef __cplusplus
emilmont 9:663789d7729f 23 extern "C" {
emilmont 9:663789d7729f 24 #endif
emilmont 9:663789d7729f 25
emilmont 9:663789d7729f 26 #if DEVICE_SEMIHOST
emilmont 9:663789d7729f 27
emilmont 9:663789d7729f 28 #ifndef __CC_ARM
emilmont 9:663789d7729f 29
emilmont 9:663789d7729f 30 #if defined(__ICCARM__)
emilmont 9:663789d7729f 31 inline int __semihost(int reason, const void *arg) {
emilmont 9:663789d7729f 32 return __semihosting(reason, (void*)arg);
emilmont 9:663789d7729f 33 }
emilmont 9:663789d7729f 34 #else
emilmont 9:663789d7729f 35
emilmont 9:663789d7729f 36 #ifdef __thumb__
emilmont 9:663789d7729f 37 # define AngelSWI 0xAB
emilmont 9:663789d7729f 38 # define AngelSWIInsn "bkpt"
emilmont 9:663789d7729f 39 # define AngelSWIAsm bkpt
emilmont 9:663789d7729f 40 #else
emilmont 9:663789d7729f 41 # define AngelSWI 0x123456
emilmont 9:663789d7729f 42 # define AngelSWIInsn "swi"
emilmont 9:663789d7729f 43 # define AngelSWIAsm swi
emilmont 9:663789d7729f 44 #endif
emilmont 9:663789d7729f 45
emilmont 9:663789d7729f 46 inline int __semihost(int reason, const void *arg) {
emilmont 9:663789d7729f 47 int value;
emilmont 9:663789d7729f 48
emilmont 9:663789d7729f 49 asm volatile (
emilmont 9:663789d7729f 50 "mov r0, %1" "\n\t"
emilmont 9:663789d7729f 51 "mov r1, %2" "\n\t"
emilmont 9:663789d7729f 52 AngelSWIInsn " %a3" "\n\t"
emilmont 9:663789d7729f 53 "mov %0, r0"
emilmont 9:663789d7729f 54 : "=r" (value) /* output operands */
emilmont 9:663789d7729f 55 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
emilmont 9:663789d7729f 56 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
emilmont 9:663789d7729f 57 );
emilmont 9:663789d7729f 58
emilmont 9:663789d7729f 59 return value;
emilmont 9:663789d7729f 60 }
emilmont 9:663789d7729f 61 #endif
emilmont 9:663789d7729f 62 #endif
emilmont 9:663789d7729f 63
emilmont 9:663789d7729f 64 #if DEVICE_LOCALFILESYSTEM
emilmont 9:663789d7729f 65 FILEHANDLE semihost_open(const char* name, int openmode);
emilmont 9:663789d7729f 66 int semihost_close (FILEHANDLE fh);
emilmont 9:663789d7729f 67 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
emilmont 9:663789d7729f 68 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
emilmont 9:663789d7729f 69 int semihost_ensure(FILEHANDLE fh);
emilmont 9:663789d7729f 70 long semihost_flen (FILEHANDLE fh);
emilmont 9:663789d7729f 71 int semihost_seek (FILEHANDLE fh, long position);
emilmont 9:663789d7729f 72 int semihost_istty (FILEHANDLE fh);
emilmont 9:663789d7729f 73
emilmont 9:663789d7729f 74 int semihost_remove(const char *name);
emilmont 9:663789d7729f 75 int semihost_rename(const char *old_name, const char *new_name);
emilmont 9:663789d7729f 76 #endif
emilmont 9:663789d7729f 77
emilmont 9:663789d7729f 78 int semihost_uid(char *uid);
emilmont 9:663789d7729f 79 int semihost_reset(void);
emilmont 9:663789d7729f 80 int semihost_vbus(void);
emilmont 9:663789d7729f 81 int semihost_powerdown(void);
emilmont 9:663789d7729f 82 int semihost_exit(void);
emilmont 9:663789d7729f 83
emilmont 9:663789d7729f 84 int semihost_connected(void);
emilmont 9:663789d7729f 85 int semihost_disabledebug(void);
emilmont 9:663789d7729f 86
emilmont 9:663789d7729f 87 #endif
emilmont 9:663789d7729f 88
emilmont 9:663789d7729f 89 #ifdef __cplusplus
emilmont 9:663789d7729f 90 }
emilmont 9:663789d7729f 91 #endif
emilmont 9:663789d7729f 92
emilmont 9:663789d7729f 93 #endif