2000-11-27 Joel Sherrill <joel@OARcorp.com>

	* The shsim is for the SH simulator in gdb. It should be able
	to be used with multiple SH CPU models.
	* .cvsignore, ChangeLog, Makefile.am, README, bsp_specs,
	configure.in, clock/.cvsignore, clock/Makefile.am,
	clock/clockdrv.c, console/.cvsignore, console/Makefile.am,
	console/console-io.c, console/console-support.S,
	include/.cvsignore, include/Makefile.am, include/bsp.h,
	start/.cvsignore, start/Makefile.am, start/regs.S,
	start/start.S, startup/.cvsignore, startup/Makefile.am,
	startup/bspstart.c, startup/linkcmds, wrapup/.cvsignore,
	wrapup/Makefile.am: New files.

4 files changed, 123 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/sh/shsim/console/.cvsignore b/c/src/lib/libbsp/sh/shsim/console/.cvsignore
new file mode 100644
index 0000000000..282522db03
--- /dev/null
+++ b/c/src/lib/libbsp/sh/shsim/console/.cvsignore
@@ -0,0 +1,2 @@
+Makefile
+Makefile.in
diff --git a/c/src/lib/libbsp/sh/shsim/console/Makefile.am b/c/src/lib/libbsp/sh/shsim/console/Makefile.am
new file mode 100644
index 0000000000..01cc97d615
--- /dev/null
+++ b/c/src/lib/libbsp/sh/shsim/console/Makefile.am
@@ -0,0 +1,38 @@
+##
+## $Id$
+##
+
+AUTOMAKE_OPTIONS = foreign 1.4
+
+VPATH = @srcdir@:@srcdir@/../../../shared
+
+PGM = $(ARCH)/console.rel
+
+C_FILES = console-io.c console-polled.c
+C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
+
+S_FILES = console-support.S
+S_O_FILES = $(S_FILES:%.S=$(ARCH)/%.o)
+
+OBJS = $(C_O_FILES) $(S_O_FILES)
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
+include $(top_srcdir)/../../../../../../automake/compile.am
+include $(top_srcdir)/../../../../../../automake/lib.am
+
+#
+# (OPTIONAL) Add local stuff here using +=
+#
+
+$(PGM): $(OBJS)
+	$(make-rel)
+
+# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile
+
+all-local: $(ARCH) $(OBJS) $(PGM)
+
+.PRECIOUS: $(PGM)
+
+EXTRA_DIST = console.c
+
+include $(top_srcdir)/../../../../../../automake/local.am
diff --git a/c/src/lib/libbsp/sh/shsim/console/console-io.c b/c/src/lib/libbsp/sh/shsim/console/console-io.c
new file mode 100644
index 0000000000..dfbb970d33
--- /dev/null
+++ b/c/src/lib/libbsp/sh/shsim/console/console-io.c
@@ -0,0 +1,62 @@
+/*
+ *  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
+
+
+/*
+ *  console_outbyte_polled
+ *
+ *  This routine transmits a character using polling.
+ */
+
+void console_outbyte_polled(
+  int  port,
+  char ch
+)
+{
+ return __trap34 (SYS_write, 1, &ch, 1);
+}
+
+/*
+ *  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);
+}
+
diff --git a/c/src/lib/libbsp/sh/shsim/console/console-support.S b/c/src/lib/libbsp/sh/shsim/console/console-support.S
new file mode 100644
index 0000000000..b4b9d9ae76
--- /dev/null
+++ b/c/src/lib/libbsp/sh/shsim/console/console-support.S
@@ -0,0 +1,21 @@
+/*
+ *  newlib-1.8.2/newlib/libc/sys/sh/trap.S
+ *
+ *  $Id$
+ */
+        .text
+        .global ___trap34
+___trap34:
+        trapa   #34
+        tst     r1,r1   ! r1 is errno
+        bt      ret
+        mov.l   perrno,r2
+        mov.l   r1,@r2
+ret:
+        rts
+        nop
+         
+        .align  2
+perrno:
+        .long   _errno
+