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Diffstat (limited to 'c/src/lib/libbsp/sh/shsim/trap34/console-io.c')
-rw-r--r--c/src/lib/libbsp/sh/shsim/trap34/console-io.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sh/shsim/trap34/console-io.c b/c/src/lib/libbsp/sh/shsim/trap34/console-io.c
new file mode 100644
index 0000000000..ec3caafb00
--- /dev/null
+++ b/c/src/lib/libbsp/sh/shsim/trap34/console-io.c
@@ -0,0 +1,78 @@
+/*
+ * This file contains the hardware specific portions of the TTY driver
+ * for the simulators stdin/out.
+ *
+ * Logic based on newlib-1.8.2/newlib/libc/sys/sh/syscalls.c
+ *
+ * COPYRIGHT (c) 1989-2000.
+ * 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.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ */
+
+#include <bsp.h>
+#include <rtems/libio.h>
+#include <stdlib.h>
+#include <assert.h>
+
+
+#define SYS_exit 1
+#define SYS_read 3
+#define SYS_write 4
+
+int errno ;
+
+extern int __trap34(int, int, void*, int );
+
+/*
+ * console_initialize_hardware
+ *
+ * This routine initializes the console hardware.
+ *
+ */
+
+void console_initialize_hardware(void)
+{
+ return;
+}
+
+/*
+ * console_outbyte_polled
+ *
+ * This routine transmits a character using polling.
+ */
+
+void console_outbyte_polled(
+ int port,
+ char ch
+)
+{
+ __trap34 (SYS_write, 1, &ch, 1);
+ return;
+}
+
+/*
+ * console_inbyte_nonblocking
+ *
+ * This routine polls for a character.
+ */
+
+int console_inbyte_nonblocking(
+ int port
+)
+{
+ unsigned char c;
+
+ return __trap34 (SYS_read, 0, &c, 1);
+}
+
+/* XXX wrong place for this */
+_sys_exit (n)
+{
+ return __trap34 (SYS_exit, n, 0, 0);
+}
+