雄介 太田 / mbed

mbed(SerialHalfDuplex入り)

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semihost_api.h@59:0883845fe643, 2013-02-18 (annotated)

Committer:
emilmont
Date:
Mon Feb 18 11:12:58 2013 +0000
Revision:
59:0883845fe643
Parent:
57:0480438fc29c
Child:
61:5e5da4a5990b
Add pinmap NC terminators for LPC1768 CAN.

Update the license from MIT to Apache v2.

Make the semihost code target independent using opportune defines for the UID and MAC.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 44:24d45a770a51 1 /* mbed Microcontroller Library
emilmont 54:71b101360fb9 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 44:24d45a770a51 3 *
emilmont 59:0883845fe643 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 59:0883845fe643 5 * you may not use this file except in compliance with the License.
emilmont 59:0883845fe643 6 * You may obtain a copy of the License at
emilmont 59:0883845fe643 7 *
emilmont 59:0883845fe643 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 44:24d45a770a51 9 *
emilmont 59:0883845fe643 10 * Unless required by applicable law or agreed to in writing, software
emilmont 59:0883845fe643 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 59:0883845fe643 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 59:0883845fe643 13 * See the License for the specific language governing permissions and
emilmont 59:0883845fe643 14 * limitations under the License.
emilmont 44:24d45a770a51 15 */
emilmont 44:24d45a770a51 16 #ifndef MBED_SEMIHOST_H
emilmont 44:24d45a770a51 17 #define MBED_SEMIHOST_H
emilmont 44:24d45a770a51 18
emilmont 44:24d45a770a51 19 #include "device.h"
emilmont 44:24d45a770a51 20 #include "toolchain.h"
emilmont 44:24d45a770a51 21
emilmont 44:24d45a770a51 22 #ifdef __cplusplus
emilmont 44:24d45a770a51 23 extern "C" {
emilmont 44:24d45a770a51 24 #endif
emilmont 44:24d45a770a51 25
emilmont 55:d722ed6a4237 26 #if DEVICE_SEMIHOST
emilmont 57:0480438fc29c 27
emilmont 44:24d45a770a51 28 #ifndef __CC_ARM
emilmont 44:24d45a770a51 29
emilmont 57:0480438fc29c 30 #if defined(__ICCARM__)
emilmont 57:0480438fc29c 31 inline int __semihost(int reason, const void *arg) {
emilmont 57:0480438fc29c 32 return __semihosting(reason, (void*)arg);
emilmont 57:0480438fc29c 33 }
emilmont 57:0480438fc29c 34 #else
emilmont 57:0480438fc29c 35
emilmont 44:24d45a770a51 36 #ifdef __thumb__
emilmont 55:d722ed6a4237 37 # define AngelSWI 0xAB
emilmont 55:d722ed6a4237 38 # define AngelSWIInsn "bkpt"
emilmont 55:d722ed6a4237 39 # define AngelSWIAsm bkpt
emilmont 44:24d45a770a51 40 #else
emilmont 55:d722ed6a4237 41 # define AngelSWI 0x123456
emilmont 55:d722ed6a4237 42 # define AngelSWIInsn "swi"
emilmont 55:d722ed6a4237 43 # define AngelSWIAsm swi
emilmont 44:24d45a770a51 44 #endif
emilmont 44:24d45a770a51 45
emilmont 44:24d45a770a51 46 inline int __semihost(int reason, const void *arg) {
emilmont 44:24d45a770a51 47 int value;
emilmont 59:0883845fe643 48
emilmont 57:0480438fc29c 49 asm volatile (
emilmont 57:0480438fc29c 50 "mov r0, %1" "\n\t"
emilmont 57:0480438fc29c 51 "mov r1, %2" "\n\t"
emilmont 57:0480438fc29c 52 AngelSWIInsn " %a3" "\n\t"
emilmont 57:0480438fc29c 53 "mov %0, r0"
emilmont 57:0480438fc29c 54 : "=r" (value) /* output operands */
emilmont 57:0480438fc29c 55 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
emilmont 57:0480438fc29c 56 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
emilmont 57:0480438fc29c 57 );
emilmont 59:0883845fe643 58
emilmont 44:24d45a770a51 59 return value;
emilmont 44:24d45a770a51 60 }
emilmont 57:0480438fc29c 61 #endif
emilmont 44:24d45a770a51 62 #endif
emilmont 44:24d45a770a51 63
emilmont 44:24d45a770a51 64 #if DEVICE_LOCALFILESYSTEM
emilmont 44:24d45a770a51 65 FILEHANDLE semihost_open(const char* name, int openmode);
emilmont 44:24d45a770a51 66 int semihost_close (FILEHANDLE fh);
emilmont 44:24d45a770a51 67 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
emilmont 44:24d45a770a51 68 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
emilmont 44:24d45a770a51 69 int semihost_ensure(FILEHANDLE fh);
emilmont 44:24d45a770a51 70 long semihost_flen (FILEHANDLE fh);
emilmont 44:24d45a770a51 71 int semihost_seek (FILEHANDLE fh, long position);
emilmont 44:24d45a770a51 72 int semihost_istty (FILEHANDLE fh);
emilmont 44:24d45a770a51 73
emilmont 44:24d45a770a51 74 int semihost_remove(const char *name);
emilmont 44:24d45a770a51 75 int semihost_rename(const char *old_name, const char *new_name);
emilmont 44:24d45a770a51 76 #endif
emilmont 44:24d45a770a51 77
emilmont 44:24d45a770a51 78 int semihost_uid(char *uid);
emilmont 44:24d45a770a51 79 int semihost_reset(void);
emilmont 44:24d45a770a51 80 int semihost_vbus(void);
emilmont 44:24d45a770a51 81 int semihost_powerdown(void);
emilmont 44:24d45a770a51 82 int semihost_exit(void);
emilmont 44:24d45a770a51 83
emilmont 44:24d45a770a51 84 int semihost_connected(void);
emilmont 44:24d45a770a51 85 int semihost_disabledebug(void);
emilmont 44:24d45a770a51 86
emilmont 55:d722ed6a4237 87 #endif
emilmont 55:d722ed6a4237 88
emilmont 44:24d45a770a51 89 #ifdef __cplusplus
emilmont 44:24d45a770a51 90 }
emilmont 44:24d45a770a51 91 #endif
emilmont 44:24d45a770a51 92
emilmont 44:24d45a770a51 93 #endif