[src/trunk]: src/sys/arch/powerpc/ibm4xx Add ibm4xx family common module.

[shige <shige%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/0988a0c29984
branches:  trunk
changeset: 573056:0988a0c29984
user:      shige <shige%NetBSD.org@localhost>
date:      Tue Jan 18 16:56:24 2005 +0000

description:
Add ibm4xx family common module.
  - machine-dependent global variables
  - cpu_startup glue
  - softnet/softserial (copy from ibm40x_machdep.c)

diffstat:

 sys/arch/powerpc/ibm4xx/machdep.c |  119 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 119 insertions(+), 0 deletions(-)

diffs (123 lines):

diff -r 2cf361755495 -r 0988a0c29984 sys/arch/powerpc/ibm4xx/machdep.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/powerpc/ibm4xx/machdep.c Tue Jan 18 16:56:24 2005 +0000
@@ -0,0 +1,119 @@
+/*     $NetBSD: machdep.c,v 1.1 2005/01/18 16:56:24 shige Exp $        */
+
+/*
+ * Copyright (c) 2004 Shigeyuki Fukushima.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.1 2005/01/18 16:56:24 shige Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+
+#include <uvm/uvm_extern.h>
+
+#include <net/netisr.h>
+
+#include <machine/cpu.h>
+
+/*
+ * Machine-dependent global variables
+ *   exec_map:         sys/uvm/uvm_extern.h
+ *   mb_map:           sys/uvm/uvm_extern.h
+ *   phys_map:         sys/uvm/uvm_extern.h
+ *   machine:          sys/sys/systm.h
+ *   machine_arch:     sys/sys/systm.h
+ */
+struct vm_map *exec_map = NULL;
+struct vm_map *mb_map = NULL;
+struct vm_map *phys_map = NULL;
+char machine[] = MACHINE;              /* from <machine/param.h> */
+char machine_arch[] = MACHINE_ARCH;    /* from <machine/param.h> */
+
+/*
+ * Machine-dependent functions
+ *   cpu_startup:      sys/kern/init_main.c
+ */
+
+/*
+ * machine-dependent function pointers
+ */
+void (*md_cpu_startup) __P((void)) = NULL;
+
+/*
+ * cpu_startup:
+ * machine startup code.
+ */
+void
+cpu_startup(void)
+{
+
+       /* 4xx common procedure is here. */
+       ;
+
+       /* machine-dependent procedure is here. */
+       if (md_cpu_startup != NULL)
+               md_cpu_startup();
+}
+
+/*
+ * softnet:
+ * Soft networking interrupts.
+ */
+void
+softnet(void)
+{
+       int isr;
+
+       isr = netisr;
+       netisr = 0;
+
+#define DONETISR(bit, fn) do {         \
+       if (isr & (1 << bit))           \
+               fn();                   \
+} while (0)
+
+#include <net/netisr_dispatch.h>
+#undef DONETISR
+}
+
+/*
+ * softserial:
+ * Soft tty interrupts.
+ */
+#include "com.h"
+void
+softserial(void)
+{
+#if NCOM > 0
+       void comsoft(void);     /* XXX from dev/ic/com.c */
+
+       comsoft();
+#endif
+}