mirror of https://github.com/ARMmbed/mbed-os.git
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
|
|
/* mbed Microcontroller Library
|
|
* Copyright (c) 2006-2013 ARM Limited
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
#ifndef MBED_SEMIHOST_H
|
|
#define MBED_SEMIHOST_H
|
|
|
|
#include "device.h"
|
|
#include "platform/mbed_toolchain.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#if DEVICE_SEMIHOST
|
|
|
|
#if !defined(__CC_ARM) && !defined(__ARMCC_VERSION)
|
|
|
|
#if defined(__ICCARM__)
|
|
static inline int __semihost(int reason, const void *arg)
|
|
{
|
|
return __semihosting(reason, (void *)arg);
|
|
}
|
|
#else
|
|
|
|
#ifdef __thumb__
|
|
# define AngelSWI 0xAB
|
|
# define AngelSWIInsn "bkpt"
|
|
# define AngelSWIAsm bkpt
|
|
#else
|
|
# define AngelSWI 0x123456
|
|
# define AngelSWIInsn "swi"
|
|
# define AngelSWIAsm swi
|
|
#endif
|
|
|
|
static inline int __semihost(int reason, const void *arg)
|
|
{
|
|
int value;
|
|
|
|
asm volatile(
|
|
"mov r0, %1" "\n\t"
|
|
"mov r1, %2" "\n\t"
|
|
AngelSWIInsn " %a3" "\n\t"
|
|
"mov %0, r0"
|
|
: "=r"(value) /* output operands */
|
|
: "r"(reason), "r"(arg), "i"(AngelSWI) /* input operands */
|
|
: "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
|
|
);
|
|
|
|
return value;
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
#if DEVICE_LOCALFILESYSTEM
|
|
FILEHANDLE semihost_open(const char *name, int openmode);
|
|
int semihost_close(FILEHANDLE fh);
|
|
int semihost_read(FILEHANDLE fh, unsigned char *buffer, unsigned int length, int mode);
|
|
int semihost_write(FILEHANDLE fh, const unsigned char *buffer, unsigned int length, int mode);
|
|
int semihost_ensure(FILEHANDLE fh);
|
|
long semihost_flen(FILEHANDLE fh);
|
|
int semihost_seek(FILEHANDLE fh, long position);
|
|
int semihost_istty(FILEHANDLE fh);
|
|
|
|
int semihost_remove(const char *name);
|
|
int semihost_rename(const char *old_name, const char *new_name);
|
|
#endif
|
|
|
|
int semihost_uid(char *uid);
|
|
int semihost_reset(void);
|
|
int semihost_vbus(void);
|
|
int semihost_powerdown(void);
|
|
int semihost_exit(void);
|
|
|
|
int semihost_connected(void);
|
|
int semihost_disabledebug(void);
|
|
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|