1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28#include <sys/types.h>
29#include <sys/param.h>
30#include <sys/sysmacros.h>
31#include <sys/signal.h>
32#include <sys/systm.h>
33#include <sys/user.h>
34#include <sys/mman.h>
35#include <sys/class.h>
36#include <sys/proc.h>
37#include <sys/procfs.h>
38#include <sys/kmem.h>
39#include <sys/cred.h>
40#include <sys/archsystm.h>
41#include <sys/contract_impl.h>
42
43#include <sys/reboot.h>
44#include <sys/uadmin.h>
45
46#include <sys/vfs.h>
47#include <sys/vnode.h>
48#include <sys/session.h>
49#include <sys/ucontext.h>
50
51#include <sys/dnlc.h>
52#include <sys/var.h>
53#include <sys/cmn_err.h>
54#include <sys/debug.h>
55#include <sys/thread.h>
56#include <sys/vtrace.h>
57#include <sys/consdev.h>
58#include <sys/frame.h>
59#include <sys/stack.h>
60#include <sys/swap.h>
61#include <sys/vmparam.h>
62#include <sys/cpuvar.h>
63#include <sys/cpu.h>
64
65#include <sys/privregs.h>
66
67#include <vm/hat.h>
68#include <vm/anon.h>
69#include <vm/as.h>
70#include <vm/page.h>
71#include <vm/seg.h>
72#include <vm/seg_kmem.h>
73#include <vm/seg_map.h>
74#include <vm/seg_vn.h>
75
76#include <sys/exec.h>
77#include <sys/acct.h>
78#include <sys/corectl.h>
79#include <sys/modctl.h>
80#include <sys/tuneable.h>
81
82#include <c2/audit.h>
83
84#include <sys/trap.h>
85#include <sys/sunddi.h>
86#include <sys/bootconf.h>
87#include <sys/memlist.h>
88#include <sys/systeminfo.h>
89#include <sys/promif.h>
90
91/*
92 * Compare the version of boot that boot says it is against
93 * the version of boot the kernel expects.
94 *
95 * XXX	There should be no need to use promif routines here.
96 */
97int
98check_boot_version(int boots_version)
99{
100	if (boots_version == BO_VERSION)
101		return (0);
102
103	prom_printf("Wrong boot interface - kernel needs v%d found v%d\n",
104	    BO_VERSION, boots_version);
105	prom_panic("halting");
106	/*NOTREACHED*/
107}
108
109/*
110 * Kernel setup code, called from startup().
111 */
112void
113kern_setup1(void)
114{
115	proc_t *pp;
116
117	pp = &p0;
118
119	proc_sched = pp;
120
121	/*
122	 * Initialize process 0 data structures
123	 */
124	pp->p_stat = SRUN;
125	pp->p_flag = SSYS;
126
127	pp->p_pidp = &pid0;
128	pp->p_pgidp = &pid0;
129	pp->p_sessp = &session0;
130	pp->p_tlist = &t0;
131	pid0.pid_pglink = pp;
132	pid0.pid_pgtail = pp;
133
134	/*
135	 * We assume that the u-area is zeroed out.
136	 */
137	PTOU(curproc)->u_cmask = (mode_t)CMASK;
138
139	thread_init();		/* init thread_free list */
140	pid_init();		/* initialize pid (proc) table */
141	contract_init();	/* initialize contracts */
142
143	init_pages_pp_maximum();
144}
145
146/*
147 * Load a procedure into a thread.
148 */
149void
150thread_load(kthread_t *t, void (*start)(), caddr_t arg, size_t len)
151{
152	struct rwindow *rwin;
153	caddr_t sp;
154	size_t framesz;
155	caddr_t argp;
156	extern void thread_start();
157
158	/*
159	 * Push a "c" call frame onto the stack to represent
160	 * the caller of "start".
161	 */
162	sp = t->t_stk;
163	if (len != 0) {
164		/*
165		 * the object that arg points at is copied into the
166		 * caller's frame.
167		 */
168		framesz = SA(len);
169		sp -= framesz;
170		ASSERT(sp > t->t_stkbase);
171		argp = sp + SA(MINFRAME);
172		bcopy(arg, argp, len);
173		arg = argp;
174	}
175	/*
176	 * store arg and len into the frames input register save area.
177	 * these are then transfered to the first 2 output registers by
178	 * thread_start() in swtch.s.
179	 */
180	rwin = (struct rwindow *)sp;
181	rwin->rw_in[0] = (intptr_t)arg;
182	rwin->rw_in[1] = len;
183	rwin->rw_in[6] = 0;
184	rwin->rw_in[7] = (intptr_t)start;
185	/*
186	 * initialize thread to resume at thread_start().
187	 */
188	t->t_pc = (uintptr_t)thread_start - 8;
189	t->t_sp = (uintptr_t)sp - STACK_BIAS;
190}
191
192#if !defined(lwp_getdatamodel)
193
194/*
195 * Return the datamodel of the given lwp.
196 */
197model_t
198lwp_getdatamodel(klwp_t *lwp)
199{
200	return (lwp->lwp_procp->p_model);
201}
202
203#endif	/* !lwp_getdatamodel */
204
205#if !defined(get_udatamodel)
206
207model_t
208get_udatamodel(void)
209{
210	return (curproc->p_model);
211}
212
213#endif	/* !get_udatamodel */
214