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| author | Vasil Zlatanov <v@skozl.com> | 2017-05-03 16:30:16 +0100 |
|---|---|---|
| committer | Vasil Zlatanov <v@skozl.com> | 2017-05-03 16:30:16 +0100 |
| commit | a6ed1742539c62186fb903017b52dd48f145ae4f (patch) | |
| tree | e9f49f0437e1f260b276b45fddcb66ea524f49e3 /ext/semihost_api.h | |
| download | e2-switch-a6ed1742539c62186fb903017b52dd48f145ae4f.tar.gz e2-switch-a6ed1742539c62186fb903017b52dd48f145ae4f.tar.bz2 e2-switch-a6ed1742539c62186fb903017b52dd48f145ae4f.zip | |
Add template and build environment.
Diffstat (limited to 'ext/semihost_api.h')
| -rw-r--r-- | ext/semihost_api.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/ext/semihost_api.h b/ext/semihost_api.h new file mode 100644 index 0000000..866521c --- /dev/null +++ b/ext/semihost_api.h @@ -0,0 +1,93 @@ +/* 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 "toolchain.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if DEVICE_SEMIHOST
+
+#ifndef __CC_ARM
+
+#if defined(__ICCARM__)
+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
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