kernel - Introduce lightweight buffers
[dragonfly.git] / sys / platform / pc32 / i386 / genassym.c
1 /*-
2  * Copyright (c) 1982, 1990 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * William Jolitz.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
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  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *      This product includes software developed by the University of
19  *      California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *      from: @(#)genassym.c    5.11 (Berkeley) 5/10/91
37  * $FreeBSD: src/sys/i386/i386/genassym.c,v 1.86.2.3 2002/03/03 05:42:49 nyan Exp $
38  * $DragonFly: src/sys/platform/pc32/i386/genassym.c,v 1.58 2008/05/09 06:35:11 dillon Exp $
39  */
40
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/assym.h>
44 #include <sys/interrupt.h>
45 #include <sys/buf.h>
46 #include <sys/proc.h>
47 #include <sys/errno.h>
48 #include <sys/mount.h>
49 #include <sys/socket.h>
50 #include <sys/lock.h>
51 #include <sys/resourcevar.h>
52 #include <machine/frame.h>
53 #include <machine/bootinfo.h>
54 #include <machine/tss.h>
55 #include <sys/vmmeter.h>
56 #include <sys/machintr.h>
57 #include <vm/vm.h>
58 #include <vm/vm_param.h>
59 #include <vm/pmap.h>
60 #include <vm/vm_map.h>
61 #include <sys/user.h>
62 #include <net/if.h>
63 #include <netinet/in.h>
64 #include <vfs/nfs/nfsv2.h>
65 #include <vfs/nfs/rpcv2.h>
66 #include <vfs/nfs/nfs.h>
67 #include <vfs/nfs/nfsdiskless.h>
68 #ifdef SMP
69 #include <machine_base/apic/apicreg.h>
70 #include <machine/smp.h>
71 #endif
72 #include <machine/segments.h>
73 #include <machine/sigframe.h>
74 #include <machine/vm86.h>
75 #include <machine/globaldata.h>
76 #include <machine/pmap.h>
77
78 ASSYM(P_VMSPACE, offsetof(struct proc, p_vmspace));
79 ASSYM(VM_PMAP, offsetof(struct vmspace, vm_pmap));
80 ASSYM(PM_ACTIVE, offsetof(struct pmap, pm_active));
81
82 ASSYM(LWP_VMSPACE, offsetof(struct lwp, lwp_vmspace));
83
84 ASSYM(TD_PROC, offsetof(struct thread, td_proc));
85 ASSYM(TD_LWP, offsetof(struct thread, td_lwp));
86 ASSYM(TD_PCB, offsetof(struct thread, td_pcb));
87 ASSYM(TD_SP, offsetof(struct thread, td_sp));
88 ASSYM(TD_PRI, offsetof(struct thread, td_pri));
89 ASSYM(TD_MACH, offsetof(struct thread, td_mach));
90 ASSYM(TD_WCHAN, offsetof(struct thread, td_wchan));
91 ASSYM(TD_NEST_COUNT, offsetof(struct thread, td_nest_count));
92 #ifdef SMP
93 ASSYM(TD_MPCOUNT, offsetof(struct thread, td_mpcount));
94 #endif
95 ASSYM(TD_FLAGS, offsetof(struct thread, td_flags));
96 ASSYM(TDF_RUNNING, TDF_RUNNING);
97 ASSYM(TDF_USINGFP, TDF_USINGFP);
98 ASSYM(TDF_KERNELFP, TDF_KERNELFP);
99 ASSYM(MACHINTR_INTREN, offsetof(struct machintr_abi, intren));
100
101 ASSYM(TD_SAVEFPU, offsetof(struct thread, td_mach) + offsetof(struct md_thread, mtd_savefpu));
102
103 ASSYM(TDPRI_CRIT, TDPRI_CRIT);
104 ASSYM(TDPRI_INT_SUPPORT, TDPRI_INT_SUPPORT);
105 #ifdef SMP
106 ASSYM(CPUMASK_LOCK, CPUMASK_LOCK);
107 #endif
108
109 ASSYM(V_TRAP, offsetof(struct vmmeter, v_trap));
110 ASSYM(V_SYSCALL, offsetof(struct vmmeter, v_syscall));
111 ASSYM(V_SENDSYS, offsetof(struct vmmeter, v_sendsys));
112 ASSYM(V_WAITSYS, offsetof(struct vmmeter, v_waitsys));
113 ASSYM(V_INTR, offsetof(struct vmmeter, v_intr));
114 ASSYM(V_IPI, offsetof(struct vmmeter, v_ipi));
115 ASSYM(V_TIMER, offsetof(struct vmmeter, v_timer));
116 ASSYM(V_FORWARDED_INTS, offsetof(struct vmmeter, v_forwarded_ints));
117 ASSYM(V_FORWARDED_HITS, offsetof(struct vmmeter, v_forwarded_hits));
118 ASSYM(V_FORWARDED_MISSES, offsetof(struct vmmeter, v_forwarded_misses));
119 ASSYM(UPAGES, UPAGES);
120 ASSYM(PAGE_SIZE, PAGE_SIZE);
121 ASSYM(NPTEPG, NPTEPG);
122 ASSYM(NPDEPG, NPDEPG);
123 ASSYM(PDESIZE, PDESIZE);
124 ASSYM(PTESIZE, PTESIZE);
125 ASSYM(SMP_MAXCPU, SMP_MAXCPU);
126 ASSYM(PAGE_SHIFT, PAGE_SHIFT);
127 ASSYM(PAGE_MASK, PAGE_MASK);
128 ASSYM(PDRSHIFT, PDRSHIFT);
129 ASSYM(USRSTACK, USRSTACK);
130 ASSYM(VM_MAX_USER_ADDRESS, VM_MAX_USER_ADDRESS);
131 ASSYM(KERNBASE, KERNBASE);
132 ASSYM(MCLBYTES, MCLBYTES);
133 ASSYM(PCB_CR3, offsetof(struct pcb, pcb_cr3));
134 ASSYM(PCB_EDI, offsetof(struct pcb, pcb_edi));
135 ASSYM(PCB_ESI, offsetof(struct pcb, pcb_esi));
136 ASSYM(PCB_EBP, offsetof(struct pcb, pcb_ebp));
137 ASSYM(PCB_ESP, offsetof(struct pcb, pcb_esp));
138 ASSYM(PCB_EBX, offsetof(struct pcb, pcb_ebx));
139 ASSYM(PCB_EIP, offsetof(struct pcb, pcb_eip));
140 ASSYM(TSS_ESP0, offsetof(struct i386tss, tss_esp0));
141
142 ASSYM(PCB_USERLDT, offsetof(struct pcb, pcb_ldt));
143
144 ASSYM(PCB_DR0, offsetof(struct pcb, pcb_dr0));
145 ASSYM(PCB_DR1, offsetof(struct pcb, pcb_dr1));
146 ASSYM(PCB_DR2, offsetof(struct pcb, pcb_dr2));
147 ASSYM(PCB_DR3, offsetof(struct pcb, pcb_dr3));
148 ASSYM(PCB_DR6, offsetof(struct pcb, pcb_dr6));
149 ASSYM(PCB_DR7, offsetof(struct pcb, pcb_dr7));
150 ASSYM(PCB_DBREGS, PCB_DBREGS);
151 ASSYM(PCB_EXT, offsetof(struct pcb, pcb_ext));
152
153 ASSYM(PCB_SPARE, offsetof(struct pcb, __pcb_spare));
154 ASSYM(PCB_FLAGS, offsetof(struct pcb, pcb_flags));
155 ASSYM(PCB_SAVEFPU, offsetof(struct pcb, pcb_save));
156 ASSYM(PCB_SAVEFPU_SIZE, sizeof(union savefpu));
157 ASSYM(PCB_SAVE87_SIZE, sizeof(struct save87));
158 ASSYM(PCB_ONFAULT, offsetof(struct pcb, pcb_onfault));
159
160 ASSYM(PCB_SIZE, sizeof(struct pcb));
161
162 ASSYM(TF_XFLAGS, offsetof(struct trapframe, tf_xflags));
163 ASSYM(TF_TRAPNO, offsetof(struct trapframe, tf_trapno));
164 ASSYM(TF_ERR, offsetof(struct trapframe, tf_err));
165 ASSYM(TF_CS, offsetof(struct trapframe, tf_cs));
166 ASSYM(TF_EFLAGS, offsetof(struct trapframe, tf_eflags));
167 ASSYM(SIGF_HANDLER, offsetof(struct sigframe, sf_ahu.sf_handler));
168 ASSYM(SIGF_UC, offsetof(struct sigframe, sf_uc));
169 ASSYM(UC_EFLAGS, offsetof(ucontext_t, uc_mcontext.mc_eflags));
170 ASSYM(ENOENT, ENOENT);
171 ASSYM(EFAULT, EFAULT);
172 ASSYM(ENAMETOOLONG, ENAMETOOLONG);
173 ASSYM(MAXPATHLEN, MAXPATHLEN);
174 ASSYM(BOOTINFO_SIZE, sizeof(struct bootinfo));
175 ASSYM(BI_VERSION, offsetof(struct bootinfo, bi_version));
176 ASSYM(BI_KERNELNAME, offsetof(struct bootinfo, bi_kernelname));
177 ASSYM(BI_NFS_DISKLESS, offsetof(struct bootinfo, bi_nfs_diskless));
178 ASSYM(BI_ENDCOMMON, offsetof(struct bootinfo, bi_endcommon));
179 ASSYM(NFSDISKLESS_SIZE, sizeof(struct nfs_diskless));
180 ASSYM(BI_SIZE, offsetof(struct bootinfo, bi_size));
181 ASSYM(BI_SYMTAB, offsetof(struct bootinfo, bi_symtab));
182 ASSYM(BI_ESYMTAB, offsetof(struct bootinfo, bi_esymtab));
183 ASSYM(BI_KERNEND, offsetof(struct bootinfo, bi_kernend));
184
185 ASSYM(GD_CURTHREAD, offsetof(struct mdglobaldata, mi.gd_curthread));
186 ASSYM(GD_CPUID, offsetof(struct mdglobaldata, mi.gd_cpuid));
187 ASSYM(GD_CPUMASK, offsetof(struct mdglobaldata, mi.gd_cpumask));
188 ASSYM(GD_CNT, offsetof(struct mdglobaldata, mi.gd_cnt));
189 ASSYM(GD_PRIVATE_TSS, offsetof(struct mdglobaldata, gd_private_tss));
190 ASSYM(GD_INTR_NESTING_LEVEL, offsetof(struct mdglobaldata, mi.gd_intr_nesting_level));
191 ASSYM(GD_REQFLAGS, offsetof(struct mdglobaldata, mi.gd_reqflags));
192
193 ASSYM(GD_CURRENTLDT, offsetof(struct mdglobaldata, gd_currentldt));
194
195 ASSYM(RQF_IPIQ, RQF_IPIQ);
196 ASSYM(RQF_INTPEND, RQF_INTPEND);
197 ASSYM(RQF_AST_OWEUPC, RQF_AST_OWEUPC);
198 ASSYM(RQF_AST_SIGNAL, RQF_AST_SIGNAL);
199 ASSYM(RQF_AST_USER_RESCHED, RQF_AST_USER_RESCHED);
200 ASSYM(RQF_AST_LWKT_RESCHED, RQF_AST_LWKT_RESCHED);
201 ASSYM(RQF_AST_UPCALL, RQF_AST_UPCALL);
202 ASSYM(RQF_TIMER, RQF_TIMER);
203 ASSYM(RQF_AST_MASK, RQF_AST_MASK);
204
205 ASSYM(FIRST_SOFTINT, FIRST_SOFTINT);
206 ASSYM(MDGLOBALDATA_BASEALLOC_PAGES, MDGLOBALDATA_BASEALLOC_PAGES);
207
208 ASSYM(GD_FPENDING, offsetof(struct mdglobaldata, gd_fpending));
209 ASSYM(GD_SPENDING, offsetof(struct mdglobaldata, gd_spending));
210 ASSYM(GD_COMMON_TSS, offsetof(struct mdglobaldata, gd_common_tss));
211 ASSYM(GD_COMMON_TSSD, offsetof(struct mdglobaldata, gd_common_tssd));
212 ASSYM(GD_TSS_GDT, offsetof(struct mdglobaldata, gd_tss_gdt));
213 ASSYM(GD_LWBUF_FPAGES, offsetof(struct mdglobaldata, gd_lwbuf_fpages));
214 ASSYM(GD_NPXTHREAD, offsetof(struct mdglobaldata, gd_npxthread));
215 ASSYM(GD_FPU_LOCK, offsetof(struct mdglobaldata, gd_fpu_lock));
216 ASSYM(GD_SAVEFPU, offsetof(struct mdglobaldata, gd_savefpu));
217 ASSYM(GD_OTHER_CPUS, offsetof(struct mdglobaldata, gd_other_cpus));
218 ASSYM(GD_SS_EFLAGS, offsetof(struct mdglobaldata, gd_ss_eflags));
219 ASSYM(GD_CMAP1, offsetof(struct mdglobaldata, gd_CMAP1));
220 ASSYM(GD_CMAP2, offsetof(struct mdglobaldata, gd_CMAP2));
221 ASSYM(GD_CMAP3, offsetof(struct mdglobaldata, gd_CMAP3));
222 ASSYM(GD_PMAP1, offsetof(struct mdglobaldata, gd_PMAP1));
223 ASSYM(GD_CADDR1, offsetof(struct mdglobaldata, gd_CADDR1));
224 ASSYM(GD_CADDR2, offsetof(struct mdglobaldata, gd_CADDR2));
225 ASSYM(GD_CADDR3, offsetof(struct mdglobaldata, gd_CADDR3));
226 ASSYM(GD_PADDR1, offsetof(struct mdglobaldata, gd_PADDR1));
227
228 ASSYM(PS_IDLESTACK, offsetof(struct privatespace, idlestack));
229 ASSYM(PS_IDLESTACK_PAGE, offsetof(struct privatespace, idlestack) / PAGE_SIZE);
230 ASSYM(PS_IDLESTACK_TOP, sizeof(struct privatespace));
231 ASSYM(PS_SIZEOF, sizeof(struct privatespace));
232
233 ASSYM(KCSEL, GSEL(GCODE_SEL, SEL_KPL));
234 ASSYM(KDSEL, GSEL(GDATA_SEL, SEL_KPL));
235 ASSYM(KPSEL, GSEL(GPRIV_SEL, SEL_KPL));
236
237 ASSYM(BC32SEL, GSEL(GBIOSCODE32_SEL, SEL_KPL));
238 ASSYM(VM86_FRAMESIZE, sizeof(struct vm86frame));
239
240 #ifdef SMP
241 ASSYM(IOAPIC_IM_ADDR, offsetof(struct apic_intmapinfo, apic_address));
242 ASSYM(IOAPIC_IM_ENTIDX, offsetof(struct apic_intmapinfo, redirindex));
243 ASSYM(IOAPIC_IM_FLAGS, offsetof(struct apic_intmapinfo, flags));
244 ASSYM(IOAPIC_IM_SIZE, sizeof(struct apic_intmapinfo));
245 ASSYM(IOAPIC_IM_SZSHIFT, IOAPIC_IM_SZSHIFT);
246 ASSYM(IOAPIC_IM_FLAG_LEVEL, IOAPIC_IM_FLAG_LEVEL);
247 ASSYM(IOAPIC_IM_FLAG_MASKED, IOAPIC_IM_FLAG_MASKED);
248 #endif