Diff: common/semihost_api.c

Revision:

145:ce498f071de9

Parent:

144:ef7eb2e8f9f7

Child:

146:11f9a9a04805

--- a/common/semihost_api.c	Fri Sep 02 15:07:44 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,162 +0,0 @@
-/* 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.
- */
-#include "cmsis.h"
-#include "semihost_api.h"
-
-#include <stdint.h>
-#include <string.h>
-
-#if DEVICE_SEMIHOST
-
-// ARM Semihosting Commands
-#define SYS_OPEN   (0x1)
-#define SYS_CLOSE  (0x2)
-#define SYS_WRITE  (0x5)
-#define SYS_READ   (0x6)
-#define SYS_ISTTY  (0x9)
-#define SYS_SEEK   (0xa)
-#define SYS_ENSURE (0xb)
-#define SYS_FLEN   (0xc)
-#define SYS_REMOVE (0xe)
-#define SYS_RENAME (0xf)
-#define SYS_EXIT   (0x18)
-
-// mbed Semihosting Commands
-#define RESERVED_FOR_USER_APPLICATIONS (0x100) // 0x100 - 0x1ff
-#define USR_XFFIND      (RESERVED_FOR_USER_APPLICATIONS + 0)
-#define USR_UID      (RESERVED_FOR_USER_APPLICATIONS + 1)
-#define USR_RESET     (RESERVED_FOR_USER_APPLICATIONS + 2)
-#define USR_VBUS     (RESERVED_FOR_USER_APPLICATIONS + 3)
-#define USR_POWERDOWN     (RESERVED_FOR_USER_APPLICATIONS + 4)
-#define USR_DISABLEDEBUG (RESERVED_FOR_USER_APPLICATIONS + 5)
-
-#if DEVICE_LOCALFILESYSTEM
-FILEHANDLE semihost_open(const char* name, int openmode) {
-    uint32_t args[3];
-    args[0] = (uint32_t)name;
-    args[1] = (uint32_t)openmode;
-    args[2] = (uint32_t)strlen(name);
-    return __semihost(SYS_OPEN, args);
-}
-
-int semihost_close(FILEHANDLE fh) {
-    return __semihost(SYS_CLOSE, &fh);
-}
-
-int semihost_write(FILEHANDLE fh, const unsigned char* buffer, unsigned int length, int mode) {
-    if (length == 0) return 0;
-
-    uint32_t args[3];
-    args[0] = (uint32_t)fh;
-    args[1] = (uint32_t)buffer;
-    args[2] = (uint32_t)length;
-    return __semihost(SYS_WRITE, args);
-}
-
-int semihost_read(FILEHANDLE fh, unsigned char* buffer, unsigned int length, int mode) {
-    uint32_t args[3];
-    args[0] = (uint32_t)fh;
-    args[1] = (uint32_t)buffer;
-    args[2] = (uint32_t)length;
-    return __semihost(SYS_READ, args);
-}
-
-int semihost_istty(FILEHANDLE fh) {
-    return __semihost(SYS_ISTTY, &fh);
-}
-
-int semihost_seek(FILEHANDLE fh, long position) {
-    uint32_t args[2];
-    args[0] = (uint32_t)fh;
-    args[1] = (uint32_t)position;
-    return __semihost(SYS_SEEK, args);
-}
-
-int semihost_ensure(FILEHANDLE fh) {
-    return __semihost(SYS_ENSURE, &fh);
-}
-
-long semihost_flen(FILEHANDLE fh) {
-    return __semihost(SYS_FLEN, &fh);
-}
-
-int semihost_remove(const char *name) {
-    uint32_t args[2];
-    args[0] = (uint32_t)name;
-    args[1] = (uint32_t)strlen(name);
-    return __semihost(SYS_REMOVE, args);
-}
-
-int semihost_rename(const char *old_name, const char *new_name) {
-    uint32_t args[4];
-    args[0] = (uint32_t)old_name;
-    args[1] = (uint32_t)strlen(old_name);
-    args[0] = (uint32_t)new_name;
-    args[1] = (uint32_t)strlen(new_name);
-    return __semihost(SYS_RENAME, args);
-}
-#endif
-
-int semihost_exit(void) {
-    uint32_t args[4];
-    return __semihost(SYS_EXIT, args);
-}
-
-int semihost_uid(char *uid) {
-    uint32_t args[2];
-    args[0] = (uint32_t)uid;
-    args[1] = DEVICE_ID_LENGTH + 1;
-    return __semihost(USR_UID, &args);
-}
-
-int semihost_reset(void) {
-    // Does not normally return, however if used with older firmware versions
-    // that do not support this call it will return -1.
-    return __semihost(USR_RESET, NULL);
-}
-
-int semihost_vbus(void) {
-    return __semihost(USR_VBUS, NULL);
-}
-
-int semihost_powerdown(void) {
-    return __semihost(USR_POWERDOWN, NULL);
-}
-
-#if DEVICE_DEBUG_AWARENESS
-
-int semihost_connected(void) {
-    return (CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk) ? 1 : 0;
-}
-
-#else
-// These processors cannot know if the interface is connect, assume so:
-static int is_debugger_attached = 1;
-
-int semihost_connected(void) {
-    return is_debugger_attached;
-}
-#endif
-
-int semihost_disabledebug(void) {
-#if !(DEVICE_DEBUG_AWARENESS)
-    is_debugger_attached = 0;
-#endif
-    return __semihost(USR_DISABLEDEBUG, NULL);
-}
-
-#endif
-