1 /*
2 * Platform dependent support for HP simulator.
3 *
4 * Copyright (C) 1998, 1999 Hewlett-Packard Co
5 * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com>
6 * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
7 */
8 #include <linux/init.h>
9 #include <linux/kernel.h>
10 #include <linux/param.h>
11 #include <linux/string.h>
12 #include <linux/types.h>
13 #include <linux/kdev_t.h>
14 #include <linux/console.h>
15
16 #include <asm/delay.h>
17 #include <asm/irq.h>
18 #include <asm/pal.h>
19 #include <asm/machvec.h>
20 #include <asm/pgtable.h>
21 #include <asm/sal.h>
22
23 #include "hpsim_ssc.h"
24
25 extern struct console hpsim_cons;
26
27 /*
28 * Simulator system call.
29 */
30 asm (".text\n"
31 ".align 32\n"
32 ".global ia64_ssc\n"
33 ".proc ia64_ssc\n"
34 "ia64_ssc:\n"
35 "mov r15=r36\n"
36 "break 0x80001\n"
37 "br.ret.sptk.many rp\n"
38 ".endp\n");
39
40 void
ia64_ssc_connect_irq(long intr,long irq)41 ia64_ssc_connect_irq (long intr, long irq)
42 {
43 ia64_ssc(intr, irq, 0, 0, SSC_CONNECT_INTERRUPT);
44 }
45
46 void
ia64_ctl_trace(long on)47 ia64_ctl_trace (long on)
48 {
49 ia64_ssc(on, 0, 0, 0, SSC_CTL_TRACE);
50 }
51
52 void __init
hpsim_setup(char ** cmdline_p)53 hpsim_setup (char **cmdline_p)
54 {
55 ROOT_DEV = to_kdev_t(0x0801); /* default to first SCSI drive */
56
57 register_console (&hpsim_cons);
58 }
59