Vipin Ranka / MGAS_GR_Peach

This is the final version of Mini Gateway for Automation and Security desgined for Renesas GR Peach Design Contest

Dependencies:   GR-PEACH_video GraphicsFramework HTTPServer R_BSP mbed-rpc mbed-rtos Socket lwip-eth lwip-sys lwip FATFileSystem

Fork of mbed-os-example-mbed5-blinky by mbed-os-examples

mbed-dev/platform/semihost_api.h@12:9a20164dcc47, 2017-01-11 (annotated)

Committer:
vipinranka
Date:
Wed Jan 11 11:41:30 2017 +0000
Revision:
12:9a20164dcc47
This is the final version MGAS Project for Renesas GR Peach Design Contest

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vipinranka 12:9a20164dcc47 1
vipinranka 12:9a20164dcc47 2 /** \addtogroup platform */
vipinranka 12:9a20164dcc47 3 /** @{*/
vipinranka 12:9a20164dcc47 4 /* mbed Microcontroller Library
vipinranka 12:9a20164dcc47 5 * Copyright (c) 2006-2013 ARM Limited
vipinranka 12:9a20164dcc47 6 *
vipinranka 12:9a20164dcc47 7 * Licensed under the Apache License, Version 2.0 (the "License");
vipinranka 12:9a20164dcc47 8 * you may not use this file except in compliance with the License.
vipinranka 12:9a20164dcc47 9 * You may obtain a copy of the License at
vipinranka 12:9a20164dcc47 10 *
vipinranka 12:9a20164dcc47 11 * http://www.apache.org/licenses/LICENSE-2.0
vipinranka 12:9a20164dcc47 12 *
vipinranka 12:9a20164dcc47 13 * Unless required by applicable law or agreed to in writing, software
vipinranka 12:9a20164dcc47 14 * distributed under the License is distributed on an "AS IS" BASIS,
vipinranka 12:9a20164dcc47 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
vipinranka 12:9a20164dcc47 16 * See the License for the specific language governing permissions and
vipinranka 12:9a20164dcc47 17 * limitations under the License.
vipinranka 12:9a20164dcc47 18 */
vipinranka 12:9a20164dcc47 19 #ifndef MBED_SEMIHOST_H
vipinranka 12:9a20164dcc47 20 #define MBED_SEMIHOST_H
vipinranka 12:9a20164dcc47 21
vipinranka 12:9a20164dcc47 22 #include "device.h"
vipinranka 12:9a20164dcc47 23 #include "platform/toolchain.h"
vipinranka 12:9a20164dcc47 24
vipinranka 12:9a20164dcc47 25 #ifdef __cplusplus
vipinranka 12:9a20164dcc47 26 extern "C" {
vipinranka 12:9a20164dcc47 27 #endif
vipinranka 12:9a20164dcc47 28
vipinranka 12:9a20164dcc47 29 #if DEVICE_SEMIHOST
vipinranka 12:9a20164dcc47 30
vipinranka 12:9a20164dcc47 31 #ifndef __CC_ARM
vipinranka 12:9a20164dcc47 32
vipinranka 12:9a20164dcc47 33 #if defined(__ICCARM__)
vipinranka 12:9a20164dcc47 34 static inline int __semihost(int reason, const void *arg) {
vipinranka 12:9a20164dcc47 35 return __semihosting(reason, (void*)arg);
vipinranka 12:9a20164dcc47 36 }
vipinranka 12:9a20164dcc47 37 #else
vipinranka 12:9a20164dcc47 38
vipinranka 12:9a20164dcc47 39 #ifdef __thumb__
vipinranka 12:9a20164dcc47 40 # define AngelSWI 0xAB
vipinranka 12:9a20164dcc47 41 # define AngelSWIInsn "bkpt"
vipinranka 12:9a20164dcc47 42 # define AngelSWIAsm bkpt
vipinranka 12:9a20164dcc47 43 #else
vipinranka 12:9a20164dcc47 44 # define AngelSWI 0x123456
vipinranka 12:9a20164dcc47 45 # define AngelSWIInsn "swi"
vipinranka 12:9a20164dcc47 46 # define AngelSWIAsm swi
vipinranka 12:9a20164dcc47 47 #endif
vipinranka 12:9a20164dcc47 48
vipinranka 12:9a20164dcc47 49 static inline int __semihost(int reason, const void *arg) {
vipinranka 12:9a20164dcc47 50 int value;
vipinranka 12:9a20164dcc47 51
vipinranka 12:9a20164dcc47 52 asm volatile (
vipinranka 12:9a20164dcc47 53 "mov r0, %1" "\n\t"
vipinranka 12:9a20164dcc47 54 "mov r1, %2" "\n\t"
vipinranka 12:9a20164dcc47 55 AngelSWIInsn " %a3" "\n\t"
vipinranka 12:9a20164dcc47 56 "mov %0, r0"
vipinranka 12:9a20164dcc47 57 : "=r" (value) /* output operands */
vipinranka 12:9a20164dcc47 58 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
vipinranka 12:9a20164dcc47 59 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
vipinranka 12:9a20164dcc47 60 );
vipinranka 12:9a20164dcc47 61
vipinranka 12:9a20164dcc47 62 return value;
vipinranka 12:9a20164dcc47 63 }
vipinranka 12:9a20164dcc47 64 #endif
vipinranka 12:9a20164dcc47 65 #endif
vipinranka 12:9a20164dcc47 66
vipinranka 12:9a20164dcc47 67 #if DEVICE_LOCALFILESYSTEM
vipinranka 12:9a20164dcc47 68 FILEHANDLE semihost_open(const char* name, int openmode);
vipinranka 12:9a20164dcc47 69 int semihost_close (FILEHANDLE fh);
vipinranka 12:9a20164dcc47 70 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
vipinranka 12:9a20164dcc47 71 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
vipinranka 12:9a20164dcc47 72 int semihost_ensure(FILEHANDLE fh);
vipinranka 12:9a20164dcc47 73 long semihost_flen (FILEHANDLE fh);
vipinranka 12:9a20164dcc47 74 int semihost_seek (FILEHANDLE fh, long position);
vipinranka 12:9a20164dcc47 75 int semihost_istty (FILEHANDLE fh);
vipinranka 12:9a20164dcc47 76
vipinranka 12:9a20164dcc47 77 int semihost_remove(const char *name);
vipinranka 12:9a20164dcc47 78 int semihost_rename(const char *old_name, const char *new_name);
vipinranka 12:9a20164dcc47 79 #endif
vipinranka 12:9a20164dcc47 80
vipinranka 12:9a20164dcc47 81 int semihost_uid(char *uid);
vipinranka 12:9a20164dcc47 82 int semihost_reset(void);
vipinranka 12:9a20164dcc47 83 int semihost_vbus(void);
vipinranka 12:9a20164dcc47 84 int semihost_powerdown(void);
vipinranka 12:9a20164dcc47 85 int semihost_exit(void);
vipinranka 12:9a20164dcc47 86
vipinranka 12:9a20164dcc47 87 int semihost_connected(void);
vipinranka 12:9a20164dcc47 88 int semihost_disabledebug(void);
vipinranka 12:9a20164dcc47 89
vipinranka 12:9a20164dcc47 90 #endif
vipinranka 12:9a20164dcc47 91
vipinranka 12:9a20164dcc47 92 #ifdef __cplusplus
vipinranka 12:9a20164dcc47 93 }
vipinranka 12:9a20164dcc47 94 #endif
vipinranka 12:9a20164dcc47 95
vipinranka 12:9a20164dcc47 96 #endif
vipinranka 12:9a20164dcc47 97
vipinranka 12:9a20164dcc47 98 /** @}*/