Maxim nexpaq / nexpaq_dev

Preliminary main mbed library for nexpaq development

hal/api/semihost_api.h@1:d96dbedaebdb, 2016-11-04 (annotated)

Committer:
nexpaq
Date:
Fri Nov 04 20:54:50 2016 +0000
Revision:
1:d96dbedaebdb
Parent:
0:6c56fb4bc5f0 
Removed extra directories for other platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 0:6c56fb4bc5f0 1 /* mbed Microcontroller Library
nexpaq 0:6c56fb4bc5f0 2 * Copyright (c) 2006-2013 ARM Limited
nexpaq 0:6c56fb4bc5f0 3 *
nexpaq 0:6c56fb4bc5f0 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 0:6c56fb4bc5f0 5 * you may not use this file except in compliance with the License.
nexpaq 0:6c56fb4bc5f0 6 * You may obtain a copy of the License at
nexpaq 0:6c56fb4bc5f0 7 *
nexpaq 0:6c56fb4bc5f0 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 0:6c56fb4bc5f0 9 *
nexpaq 0:6c56fb4bc5f0 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 0:6c56fb4bc5f0 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 0:6c56fb4bc5f0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 0:6c56fb4bc5f0 13 * See the License for the specific language governing permissions and
nexpaq 0:6c56fb4bc5f0 14 * limitations under the License.
nexpaq 0:6c56fb4bc5f0 15 */
nexpaq 0:6c56fb4bc5f0 16 #ifndef MBED_SEMIHOST_H
nexpaq 0:6c56fb4bc5f0 17 #define MBED_SEMIHOST_H
nexpaq 0:6c56fb4bc5f0 18
nexpaq 0:6c56fb4bc5f0 19 #include "device.h"
nexpaq 0:6c56fb4bc5f0 20 #include "toolchain.h"
nexpaq 0:6c56fb4bc5f0 21
nexpaq 0:6c56fb4bc5f0 22 #ifdef __cplusplus
nexpaq 0:6c56fb4bc5f0 23 extern "C" {
nexpaq 0:6c56fb4bc5f0 24 #endif
nexpaq 0:6c56fb4bc5f0 25
nexpaq 0:6c56fb4bc5f0 26 #if DEVICE_SEMIHOST
nexpaq 0:6c56fb4bc5f0 27
nexpaq 0:6c56fb4bc5f0 28 #ifndef __CC_ARM
nexpaq 0:6c56fb4bc5f0 29
nexpaq 0:6c56fb4bc5f0 30 #if defined(__ICCARM__)
nexpaq 0:6c56fb4bc5f0 31 static inline int __semihost(int reason, const void *arg) {
nexpaq 0:6c56fb4bc5f0 32 return __semihosting(reason, (void*)arg);
nexpaq 0:6c56fb4bc5f0 33 }
nexpaq 0:6c56fb4bc5f0 34 #else
nexpaq 0:6c56fb4bc5f0 35
nexpaq 0:6c56fb4bc5f0 36 #ifdef __thumb__
nexpaq 0:6c56fb4bc5f0 37 # define AngelSWI 0xAB
nexpaq 0:6c56fb4bc5f0 38 # define AngelSWIInsn "bkpt"
nexpaq 0:6c56fb4bc5f0 39 # define AngelSWIAsm bkpt
nexpaq 0:6c56fb4bc5f0 40 #else
nexpaq 0:6c56fb4bc5f0 41 # define AngelSWI 0x123456
nexpaq 0:6c56fb4bc5f0 42 # define AngelSWIInsn "swi"
nexpaq 0:6c56fb4bc5f0 43 # define AngelSWIAsm swi
nexpaq 0:6c56fb4bc5f0 44 #endif
nexpaq 0:6c56fb4bc5f0 45
nexpaq 0:6c56fb4bc5f0 46 static inline int __semihost(int reason, const void *arg) {
nexpaq 0:6c56fb4bc5f0 47 int value;
nexpaq 0:6c56fb4bc5f0 48
nexpaq 0:6c56fb4bc5f0 49 asm volatile (
nexpaq 0:6c56fb4bc5f0 50 "mov r0, %1" "\n\t"
nexpaq 0:6c56fb4bc5f0 51 "mov r1, %2" "\n\t"
nexpaq 0:6c56fb4bc5f0 52 AngelSWIInsn " %a3" "\n\t"
nexpaq 0:6c56fb4bc5f0 53 "mov %0, r0"
nexpaq 0:6c56fb4bc5f0 54 : "=r" (value) /* output operands */
nexpaq 0:6c56fb4bc5f0 55 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
nexpaq 0:6c56fb4bc5f0 56 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
nexpaq 0:6c56fb4bc5f0 57 );
nexpaq 0:6c56fb4bc5f0 58
nexpaq 0:6c56fb4bc5f0 59 return value;
nexpaq 0:6c56fb4bc5f0 60 }
nexpaq 0:6c56fb4bc5f0 61 #endif
nexpaq 0:6c56fb4bc5f0 62 #endif
nexpaq 0:6c56fb4bc5f0 63
nexpaq 0:6c56fb4bc5f0 64 #if DEVICE_LOCALFILESYSTEM
nexpaq 0:6c56fb4bc5f0 65 FILEHANDLE semihost_open(const char* name, int openmode);
nexpaq 0:6c56fb4bc5f0 66 int semihost_close (FILEHANDLE fh);
nexpaq 0:6c56fb4bc5f0 67 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
nexpaq 0:6c56fb4bc5f0 68 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
nexpaq 0:6c56fb4bc5f0 69 int semihost_ensure(FILEHANDLE fh);
nexpaq 0:6c56fb4bc5f0 70 long semihost_flen (FILEHANDLE fh);
nexpaq 0:6c56fb4bc5f0 71 int semihost_seek (FILEHANDLE fh, long position);
nexpaq 0:6c56fb4bc5f0 72 int semihost_istty (FILEHANDLE fh);
nexpaq 0:6c56fb4bc5f0 73
nexpaq 0:6c56fb4bc5f0 74 int semihost_remove(const char *name);
nexpaq 0:6c56fb4bc5f0 75 int semihost_rename(const char *old_name, const char *new_name);
nexpaq 0:6c56fb4bc5f0 76 #endif
nexpaq 0:6c56fb4bc5f0 77
nexpaq 0:6c56fb4bc5f0 78 int semihost_uid(char *uid);
nexpaq 0:6c56fb4bc5f0 79 int semihost_reset(void);
nexpaq 0:6c56fb4bc5f0 80 int semihost_vbus(void);
nexpaq 0:6c56fb4bc5f0 81 int semihost_powerdown(void);
nexpaq 0:6c56fb4bc5f0 82 int semihost_exit(void);
nexpaq 0:6c56fb4bc5f0 83
nexpaq 0:6c56fb4bc5f0 84 int semihost_connected(void);
nexpaq 0:6c56fb4bc5f0 85 int semihost_disabledebug(void);
nexpaq 0:6c56fb4bc5f0 86
nexpaq 0:6c56fb4bc5f0 87 #endif
nexpaq 0:6c56fb4bc5f0 88
nexpaq 0:6c56fb4bc5f0 89 #ifdef __cplusplus
nexpaq 0:6c56fb4bc5f0 90 }
nexpaq 0:6c56fb4bc5f0 91 #endif
nexpaq 0:6c56fb4bc5f0 92
nexpaq 0:6c56fb4bc5f0 93 #endif