Andrew SaLoutos / mbed-dev-STM-lean

From Ben Katz mbed-dev library. Removed unnecessary target files to reduce the overall size by a factor of 10 to make it easier to import into the online IDE.

Dependents:   motor_driver motor_driver_screaming_fix

platform/mbed_semihost_api.h@0:083111ae2a11, 2020-11-26 (annotated)

Committer:
saloutos
Date:
Thu Nov 26 04:08:56 2020 +0000
Revision:
0:083111ae2a11
first commit of leaned mbed dev lib

Who changed what in which revision?

UserRevisionLine numberNew contents of line
saloutos 0:083111ae2a11 1
saloutos 0:083111ae2a11 2 /** \addtogroup platform */
saloutos 0:083111ae2a11 3 /** @{*/
saloutos 0:083111ae2a11 4 /* mbed Microcontroller Library
saloutos 0:083111ae2a11 5 * Copyright (c) 2006-2013 ARM Limited
saloutos 0:083111ae2a11 6 *
saloutos 0:083111ae2a11 7 * Licensed under the Apache License, Version 2.0 (the "License");
saloutos 0:083111ae2a11 8 * you may not use this file except in compliance with the License.
saloutos 0:083111ae2a11 9 * You may obtain a copy of the License at
saloutos 0:083111ae2a11 10 *
saloutos 0:083111ae2a11 11 * http://www.apache.org/licenses/LICENSE-2.0
saloutos 0:083111ae2a11 12 *
saloutos 0:083111ae2a11 13 * Unless required by applicable law or agreed to in writing, software
saloutos 0:083111ae2a11 14 * distributed under the License is distributed on an "AS IS" BASIS,
saloutos 0:083111ae2a11 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
saloutos 0:083111ae2a11 16 * See the License for the specific language governing permissions and
saloutos 0:083111ae2a11 17 * limitations under the License.
saloutos 0:083111ae2a11 18 */
saloutos 0:083111ae2a11 19 #ifndef MBED_SEMIHOST_H
saloutos 0:083111ae2a11 20 #define MBED_SEMIHOST_H
saloutos 0:083111ae2a11 21
saloutos 0:083111ae2a11 22 #include "device.h"
saloutos 0:083111ae2a11 23 #include "platform/mbed_toolchain.h"
saloutos 0:083111ae2a11 24
saloutos 0:083111ae2a11 25 #ifdef __cplusplus
saloutos 0:083111ae2a11 26 extern "C" {
saloutos 0:083111ae2a11 27 #endif
saloutos 0:083111ae2a11 28
saloutos 0:083111ae2a11 29 #if DEVICE_SEMIHOST
saloutos 0:083111ae2a11 30
saloutos 0:083111ae2a11 31 #if !defined(__CC_ARM) && !defined(__ARMCC_VERSION)
saloutos 0:083111ae2a11 32
saloutos 0:083111ae2a11 33 #if defined(__ICCARM__)
saloutos 0:083111ae2a11 34 static inline int __semihost(int reason, const void *arg) {
saloutos 0:083111ae2a11 35 return __semihosting(reason, (void*)arg);
saloutos 0:083111ae2a11 36 }
saloutos 0:083111ae2a11 37 #else
saloutos 0:083111ae2a11 38
saloutos 0:083111ae2a11 39 #ifdef __thumb__
saloutos 0:083111ae2a11 40 # define AngelSWI 0xAB
saloutos 0:083111ae2a11 41 # define AngelSWIInsn "bkpt"
saloutos 0:083111ae2a11 42 # define AngelSWIAsm bkpt
saloutos 0:083111ae2a11 43 #else
saloutos 0:083111ae2a11 44 # define AngelSWI 0x123456
saloutos 0:083111ae2a11 45 # define AngelSWIInsn "swi"
saloutos 0:083111ae2a11 46 # define AngelSWIAsm swi
saloutos 0:083111ae2a11 47 #endif
saloutos 0:083111ae2a11 48
saloutos 0:083111ae2a11 49 static inline int __semihost(int reason, const void *arg) {
saloutos 0:083111ae2a11 50 int value;
saloutos 0:083111ae2a11 51
saloutos 0:083111ae2a11 52 asm volatile (
saloutos 0:083111ae2a11 53 "mov r0, %1" "\n\t"
saloutos 0:083111ae2a11 54 "mov r1, %2" "\n\t"
saloutos 0:083111ae2a11 55 AngelSWIInsn " %a3" "\n\t"
saloutos 0:083111ae2a11 56 "mov %0, r0"
saloutos 0:083111ae2a11 57 : "=r" (value) /* output operands */
saloutos 0:083111ae2a11 58 : "r" (reason), "r" (arg), "i" (AngelSWI) /* input operands */
saloutos 0:083111ae2a11 59 : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */
saloutos 0:083111ae2a11 60 );
saloutos 0:083111ae2a11 61
saloutos 0:083111ae2a11 62 return value;
saloutos 0:083111ae2a11 63 }
saloutos 0:083111ae2a11 64 #endif
saloutos 0:083111ae2a11 65 #endif
saloutos 0:083111ae2a11 66
saloutos 0:083111ae2a11 67 #if DEVICE_LOCALFILESYSTEM
saloutos 0:083111ae2a11 68 FILEHANDLE semihost_open(const char* name, int openmode);
saloutos 0:083111ae2a11 69 int semihost_close (FILEHANDLE fh);
saloutos 0:083111ae2a11 70 int semihost_read (FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode);
saloutos 0:083111ae2a11 71 int semihost_write (FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode);
saloutos 0:083111ae2a11 72 int semihost_ensure(FILEHANDLE fh);
saloutos 0:083111ae2a11 73 long semihost_flen (FILEHANDLE fh);
saloutos 0:083111ae2a11 74 int semihost_seek (FILEHANDLE fh, long position);
saloutos 0:083111ae2a11 75 int semihost_istty (FILEHANDLE fh);
saloutos 0:083111ae2a11 76
saloutos 0:083111ae2a11 77 int semihost_remove(const char *name);
saloutos 0:083111ae2a11 78 int semihost_rename(const char *old_name, const char *new_name);
saloutos 0:083111ae2a11 79 #endif
saloutos 0:083111ae2a11 80
saloutos 0:083111ae2a11 81 int semihost_uid(char *uid);
saloutos 0:083111ae2a11 82 int semihost_reset(void);
saloutos 0:083111ae2a11 83 int semihost_vbus(void);
saloutos 0:083111ae2a11 84 int semihost_powerdown(void);
saloutos 0:083111ae2a11 85 int semihost_exit(void);
saloutos 0:083111ae2a11 86
saloutos 0:083111ae2a11 87 int semihost_connected(void);
saloutos 0:083111ae2a11 88 int semihost_disabledebug(void);
saloutos 0:083111ae2a11 89
saloutos 0:083111ae2a11 90 #endif
saloutos 0:083111ae2a11 91
saloutos 0:083111ae2a11 92 #ifdef __cplusplus
saloutos 0:083111ae2a11 93 }
saloutos 0:083111ae2a11 94 #endif
saloutos 0:083111ae2a11 95
saloutos 0:083111ae2a11 96 #endif
saloutos 0:083111ae2a11 97
saloutos 0:083111ae2a11 98 /** @}*/