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 */
97 int
check_boot_version(int boots_version)98 check_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 */
112 void
kern_setup1(void)113 kern_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 */
149 void
thread_load(kthread_t * t,void (* start)(),caddr_t arg,size_t len)150 thread_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 */
197 model_t
lwp_getdatamodel(klwp_t * lwp)198 lwp_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
207 model_t
get_udatamodel(void)208 get_udatamodel(void)
209 {
210 return (curproc->p_model);
211 }
212
213 #endif /* !get_udatamodel */
214