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mbed 2
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platform/mbed_semihost_api.h@170:e95d10626187, 2018-09-06 (annotated)
- Committer:
- AnnaBridge
- Date:
- Thu Sep 06 13:39:34 2018 +0100
- Revision:
- 170:e95d10626187
- Parent:
- 158:1c57384330a6
- Child:
- 172:65be27845400
mbed library. Release version 163
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AnnaBridge | 156:ff21514d8981 | 1 | |
AnnaBridge | 156:ff21514d8981 | 2 | /* mbed Microcontroller Library |
AnnaBridge | 156:ff21514d8981 | 3 | * Copyright (c) 2006-2013 ARM Limited |
AnnaBridge | 156:ff21514d8981 | 4 | * |
AnnaBridge | 156:ff21514d8981 | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
AnnaBridge | 156:ff21514d8981 | 6 | * you may not use this file except in compliance with the License. |
AnnaBridge | 156:ff21514d8981 | 7 | * You may obtain a copy of the License at |
AnnaBridge | 156:ff21514d8981 | 8 | * |
AnnaBridge | 156:ff21514d8981 | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
AnnaBridge | 156:ff21514d8981 | 10 | * |
AnnaBridge | 156:ff21514d8981 | 11 | * Unless required by applicable law or agreed to in writing, software |
AnnaBridge | 156:ff21514d8981 | 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
AnnaBridge | 156:ff21514d8981 | 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
AnnaBridge | 156:ff21514d8981 | 14 | * See the License for the specific language governing permissions and |
AnnaBridge | 156:ff21514d8981 | 15 | * limitations under the License. |
AnnaBridge | 156:ff21514d8981 | 16 | */ |
AnnaBridge | 156:ff21514d8981 | 17 | #ifndef MBED_SEMIHOST_H |
AnnaBridge | 156:ff21514d8981 | 18 | #define MBED_SEMIHOST_H |
AnnaBridge | 156:ff21514d8981 | 19 | |
AnnaBridge | 156:ff21514d8981 | 20 | #include "device.h" |
AnnaBridge | 156:ff21514d8981 | 21 | #include "platform/mbed_toolchain.h" |
AnnaBridge | 156:ff21514d8981 | 22 | |
AnnaBridge | 156:ff21514d8981 | 23 | #ifdef __cplusplus |
AnnaBridge | 156:ff21514d8981 | 24 | extern "C" { |
AnnaBridge | 156:ff21514d8981 | 25 | #endif |
AnnaBridge | 156:ff21514d8981 | 26 | |
AnnaBridge | 156:ff21514d8981 | 27 | #if DEVICE_SEMIHOST |
AnnaBridge | 156:ff21514d8981 | 28 | |
AnnaBridge | 156:ff21514d8981 | 29 | #if !defined(__CC_ARM) && !defined(__ARMCC_VERSION) |
AnnaBridge | 156:ff21514d8981 | 30 | |
AnnaBridge | 156:ff21514d8981 | 31 | #if defined(__ICCARM__) |
AnnaBridge | 170:e95d10626187 | 32 | static inline int __semihost(int reason, const void *arg) |
AnnaBridge | 170:e95d10626187 | 33 | { |
AnnaBridge | 170:e95d10626187 | 34 | return __semihosting(reason, (void *)arg); |
AnnaBridge | 156:ff21514d8981 | 35 | } |
AnnaBridge | 156:ff21514d8981 | 36 | #else |
AnnaBridge | 156:ff21514d8981 | 37 | |
AnnaBridge | 156:ff21514d8981 | 38 | #ifdef __thumb__ |
AnnaBridge | 156:ff21514d8981 | 39 | # define AngelSWI 0xAB |
AnnaBridge | 156:ff21514d8981 | 40 | # define AngelSWIInsn "bkpt" |
AnnaBridge | 156:ff21514d8981 | 41 | # define AngelSWIAsm bkpt |
AnnaBridge | 156:ff21514d8981 | 42 | #else |
AnnaBridge | 156:ff21514d8981 | 43 | # define AngelSWI 0x123456 |
AnnaBridge | 156:ff21514d8981 | 44 | # define AngelSWIInsn "swi" |
AnnaBridge | 156:ff21514d8981 | 45 | # define AngelSWIAsm swi |
AnnaBridge | 156:ff21514d8981 | 46 | #endif |
AnnaBridge | 156:ff21514d8981 | 47 | |
AnnaBridge | 170:e95d10626187 | 48 | static inline int __semihost(int reason, const void *arg) |
AnnaBridge | 170:e95d10626187 | 49 | { |
AnnaBridge | 156:ff21514d8981 | 50 | int value; |
AnnaBridge | 156:ff21514d8981 | 51 | |
AnnaBridge | 170:e95d10626187 | 52 | asm volatile( |
AnnaBridge | 170:e95d10626187 | 53 | "mov r0, %1" "\n\t" |
AnnaBridge | 170:e95d10626187 | 54 | "mov r1, %2" "\n\t" |
AnnaBridge | 170:e95d10626187 | 55 | AngelSWIInsn " %a3" "\n\t" |
AnnaBridge | 170:e95d10626187 | 56 | "mov %0, r0" |
AnnaBridge | 170:e95d10626187 | 57 | : "=r"(value) /* output operands */ |
AnnaBridge | 170:e95d10626187 | 58 | : "r"(reason), "r"(arg), "i"(AngelSWI) /* input operands */ |
AnnaBridge | 170:e95d10626187 | 59 | : "r0", "r1", "r2", "r3", "ip", "lr", "memory", "cc" /* list of clobbered registers */ |
AnnaBridge | 156:ff21514d8981 | 60 | ); |
AnnaBridge | 156:ff21514d8981 | 61 | |
AnnaBridge | 156:ff21514d8981 | 62 | return value; |
AnnaBridge | 156:ff21514d8981 | 63 | } |
AnnaBridge | 156:ff21514d8981 | 64 | #endif |
AnnaBridge | 156:ff21514d8981 | 65 | #endif |
AnnaBridge | 156:ff21514d8981 | 66 | |
AnnaBridge | 156:ff21514d8981 | 67 | #if DEVICE_LOCALFILESYSTEM |
AnnaBridge | 170:e95d10626187 | 68 | FILEHANDLE semihost_open(const char *name, int openmode); |
AnnaBridge | 170:e95d10626187 | 69 | int semihost_close(FILEHANDLE fh); |
AnnaBridge | 170:e95d10626187 | 70 | int semihost_read(FILEHANDLE fh, unsigned char *buffer, unsigned int length, int mode); |
AnnaBridge | 170:e95d10626187 | 71 | int semihost_write(FILEHANDLE fh, const unsigned char *buffer, unsigned int length, int mode); |
AnnaBridge | 156:ff21514d8981 | 72 | int semihost_ensure(FILEHANDLE fh); |
AnnaBridge | 170:e95d10626187 | 73 | long semihost_flen(FILEHANDLE fh); |
AnnaBridge | 170:e95d10626187 | 74 | int semihost_seek(FILEHANDLE fh, long position); |
AnnaBridge | 170:e95d10626187 | 75 | int semihost_istty(FILEHANDLE fh); |
AnnaBridge | 156:ff21514d8981 | 76 | |
AnnaBridge | 156:ff21514d8981 | 77 | int semihost_remove(const char *name); |
AnnaBridge | 156:ff21514d8981 | 78 | int semihost_rename(const char *old_name, const char *new_name); |
AnnaBridge | 156:ff21514d8981 | 79 | #endif |
AnnaBridge | 156:ff21514d8981 | 80 | |
AnnaBridge | 156:ff21514d8981 | 81 | int semihost_uid(char *uid); |
AnnaBridge | 156:ff21514d8981 | 82 | int semihost_reset(void); |
AnnaBridge | 156:ff21514d8981 | 83 | int semihost_vbus(void); |
AnnaBridge | 156:ff21514d8981 | 84 | int semihost_powerdown(void); |
AnnaBridge | 156:ff21514d8981 | 85 | int semihost_exit(void); |
AnnaBridge | 156:ff21514d8981 | 86 | |
AnnaBridge | 156:ff21514d8981 | 87 | int semihost_connected(void); |
AnnaBridge | 156:ff21514d8981 | 88 | int semihost_disabledebug(void); |
AnnaBridge | 156:ff21514d8981 | 89 | |
AnnaBridge | 156:ff21514d8981 | 90 | #endif |
AnnaBridge | 156:ff21514d8981 | 91 | |
AnnaBridge | 156:ff21514d8981 | 92 | #ifdef __cplusplus |
AnnaBridge | 156:ff21514d8981 | 93 | } |
AnnaBridge | 156:ff21514d8981 | 94 | #endif |
AnnaBridge | 156:ff21514d8981 | 95 | |
AnnaBridge | 156:ff21514d8981 | 96 | #endif |
AnnaBridge | 156:ff21514d8981 | 97 | |
AnnaBridge | 158:1c57384330a6 | 98 |