patch-2.3.43 linux/arch/ia64/hp/hpsim_setup.c

• Lines: 72
• Date: Sun Feb 6 18:42:40 2000
• Orig file: v2.3.42/linux/arch/ia64/hp/hpsim_setup.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.42/linux/arch/ia64/hp/hpsim_setup.c linux/arch/ia64/hp/hpsim_setup.c
@@ -0,0 +1,71 @@
+/*
+ * Platform dependent support for HP simulator.
+ *
+ * Copyright (C) 1998, 1999 Hewlett-Packard Co
+ * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/kdev_t.h>
+#include <linux/console.h>
+
+#include <asm/delay.h>
+#include <asm/irq.h>
+#include <asm/pal.h>
+#include <asm/machvec.h>
+#include <asm/pgtable.h>
+#include <asm/sal.h>
+
+#include "hpsim_ssc.h"
+
+extern struct console hpsim_cons;
+
+/*
+ * Simulator system call.
+ */
+inline long
+ia64_ssc (long arg0, long arg1, long arg2, long arg3, int nr)
+{
+#ifdef __GCC_DOESNT_KNOW_IN_REGS__
+	register long in0 asm ("r32") = arg0;
+	register long in1 asm ("r33") = arg1;
+	register long in2 asm ("r34") = arg2;
+	register long in3 asm ("r35") = arg3;
+#else
+	register long in0 asm ("in0") = arg0;
+	register long in1 asm ("in1") = arg1;
+	register long in2 asm ("in2") = arg2;
+	register long in3 asm ("in3") = arg3;
+#endif
+	register long r8 asm ("r8");
+	register long r15 asm ("r15") = nr;
+
+	asm volatile ("break 0x80001"
+		      : "=r"(r8)
+		      : "r"(r15), "r"(in0), "r"(in1), "r"(in2), "r"(in3));
+	return r8;
+}
+
+void
+ia64_ssc_connect_irq (long intr, long irq)
+{
+	ia64_ssc(intr, irq, 0, 0, SSC_CONNECT_INTERRUPT);
+}
+
+void
+ia64_ctl_trace (long on)
+{
+	ia64_ssc(on, 0, 0, 0, SSC_CTL_TRACE);
+}
+
+void __init
+hpsim_setup (char **cmdline_p)
+{
+	ROOT_DEV = to_kdev_t(0x0801);		/* default to first SCSI drive */
+
+	register_console (&hpsim_cons);
+}