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authorJoel Sherrill <joel.sherrill@OARcorp.com>2008-10-02 21:34:36 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>2008-10-02 21:34:36 +0000
commit0fd07a10eb2c1b928d32744826c5be32e6f28675 (patch)
treec030d59484b98272a9aec35da28590e2d66997dd /c/src/lib/libbsp/m32c/m32cbsp/include/bsp.h
parentd92d42e9cb90b10ba238afabee36c3e3b207e092 (diff)
2008-10-02 Joel Sherrill <joel.sherrill@oarcorp.com>
* .cvsignore, ChangeLog, Makefile.am, bsp_specs, configure.ac, preinstall.am, console/console-io.c, console/syscalls.S, include/.cvsignore, include/bsp.h, start/start.S, startup/bspstart.c, startup/crtn.S, startup/linkcmds, timer/timer.c, tools/.cvsignore, tools/Makefile.am, tools/configure.ac, tools/runtest.in: New files.
Diffstat (limited to 'c/src/lib/libbsp/m32c/m32cbsp/include/bsp.h')
-rw-r--r--c/src/lib/libbsp/m32c/m32cbsp/include/bsp.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m32c/m32cbsp/include/bsp.h b/c/src/lib/libbsp/m32c/m32cbsp/include/bsp.h
new file mode 100644
index 0000000000..5a1e679f84
--- /dev/null
+++ b/c/src/lib/libbsp/m32c/m32cbsp/include/bsp.h
@@ -0,0 +1,55 @@
+/* bsp.h
+ *
+ * This include file contains some definitions specific to the
+ * h8 simulator in gdb.
+ *
+ * COPYRIGHT (c) 1989-1999.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#ifndef _BSP_H
+#define _BSP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bspopts.h>
+
+#include <rtems.h>
+#include <rtems/iosupp.h>
+#include <rtems/console.h>
+#include <rtems/clockdrv.h>
+
+/* support for simulated clock tick */
+Thread clock_driver_sim_idle_body(uintptr_t);
+#define BSP_IDLE_TASK_BODY clock_driver_sim_idle_body
+
+/*
+ * Simple spin delay in microsecond units for device drivers.
+ * This is very dependent on the clock speed of the target.
+ */
+
+#define rtems_bsp_delay( microseconds ) \
+ { register uint32_t _delay=(microseconds); \
+ register uint32_t _tmp = 0; /* initialized to avoid warning */ \
+ asm volatile( "0: \
+ remo 3,31,%0 ; \
+ cmpo 0,%0 ; \
+ subo 1,%1,%1 ; \
+ cmpobne.t 0,%1,0b " \
+ : "=d" (_tmp), "=d" (_delay) \
+ : "0" (_tmp), "1" (_delay) ); \
+ }
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif