1 /* $NetBSD: sal_stub.c,v 1.4 2012/12/27 20:21:51 martin Exp $ */
2
3 /*-
4 * Copyright (c) 2003 Marcel Moolenaar
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 /* __FBSDID("$FreeBSD: src/sys/boot/ia64/libski/sal_stub.c,v 1.2 2003/09/08 09:11:32 obrien Exp $"); */
31
32 #include <sys/types.h>
33 #include <machine/md_var.h>
34 #include <machine/sal.h>
35 #include <lib/libsa/stand.h>
36 #include <lib/libsa/loadfile.h>
37
38 #include "bootstrap.h"
39 #include "libski.h"
40
41 void ski_cons_putchar(int c);
42
43 extern void PalProc(void);
44 static sal_entry_t SalProc;
45
46 struct {
47 struct sal_system_table header;
48 struct sal_entrypoint_descriptor entry;
49 struct sal_ap_wakeup_descriptor wakeup;
50 } sal_systab = {
51 /* Header. */
52 {
53 SAL_SIGNATURE,
54 sizeof(sal_systab),
55 { 00, 03 }, /* Revision 3.0. */
56 2, /* Number of decsriptors. */
57 0, /* XXX checksum. */
58 { 0 },
59 { 00, 00 }, /* XXX SAL_A version. */
60 { 00, 00 }, /* XXX SAL_B version. */
61 "FreeBSD",
62 "Ski loader",
63 { 0 }
64 },
65 /* Entrypoint. */
66 {
67 0, /* Type=entrypoint descr. */
68 { 0 },
69 0, /* XXX PalProc. */
70 0, /* XXX SalProc. */
71 0, /* XXX SalProc GP. */
72 { 0 }
73 },
74 /* AP wakeup. */
75 {
76 5, /* Type=AP wakeup descr. */
77 0, /* External interrupt. */
78 { 0 },
79 255 /* Wakeup vector. */
80 }
81 };
82
83 static inline void
puts(const char * s)84 puts(const char *s)
85 {
86 s = (const char *)((7UL << 61) | (u_long)s);
87 while (*s)
88 ski_cons_putchar(*s++);
89 }
90
91 static struct ia64_sal_result
SalProc(u_int64_t a1,u_int64_t a2,u_int64_t a3,u_int64_t a4,u_int64_t a5,u_int64_t a6,u_int64_t a7,u_int64_t a8)92 SalProc(u_int64_t a1, u_int64_t a2, u_int64_t a3, u_int64_t a4, u_int64_t a5,
93 u_int64_t a6, u_int64_t a7, u_int64_t a8)
94 {
95 struct ia64_sal_result res;
96
97 res.sal_status = -3;
98 res.sal_result[0] = 0;
99 res.sal_result[1] = 0;
100 res.sal_result[2] = 0;
101
102 if (a1 == SAL_FREQ_BASE) {
103 res.sal_status = 0;
104 res.sal_result[0] = 133338184;
105 } else if (a1 == SAL_SET_VECTORS) {
106 /* XXX unofficial SSC function. */
107 ssc(a2, a3, a4, a5, SSC_SAL_SET_VECTORS);
108 } else if (a1 != SAL_GET_STATE_INFO_SIZE) {
109 puts("SAL: unimplemented function called\n");
110 }
111
112 return (res);
113 }
114
115 void
sal_stub_init(void)116 sal_stub_init(void)
117 {
118 struct ia64_fdesc *fd;
119
120 fd = (void*)PalProc;
121 sal_systab.entry.sale_pal_proc = fd->func;
122 fd = (void*)SalProc;
123 sal_systab.entry.sale_sal_proc = fd->func;
124 sal_systab.entry.sale_sal_gp = fd->gp;
125 }
126