2 * This program is used to generate definitions needed by
3 * assembly language modules.
5 * We use the technique used in the OSF Mach kernel code:
6 * generate asm statements containing #defines,
7 * compile this file to assembler, and then extract the
8 * #defines from the assembly-language output.
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version
13 * 2 of the License, or (at your option) any later version.
16 #include <linux/config.h>
17 #include <linux/signal.h>
18 #include <linux/sched.h>
19 #include <linux/kernel.h>
20 #include <linux/errno.h>
21 #include <linux/string.h>
22 #include <linux/types.h>
23 #include <linux/mman.h>
27 #include <asm/pgtable.h>
28 #include <asm/processor.h>
29 #include <asm/hardirq.h>
33 #include <asm/iSeries/ItLpPaca.h>
34 #include <asm/iSeries/ItLpQueue.h>
35 #include <asm/iSeries/HvLpEvent.h>
38 #include <asm/cputable.h>
40 #define DEFINE(sym, val) \
41 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
43 #define BLANK() asm volatile("\n->" : : )
47 /* thread struct on stack */
48 DEFINE(THREAD_SHIFT, THREAD_SHIFT);
49 DEFINE(THREAD_SIZE, THREAD_SIZE);
50 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
51 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
52 DEFINE(TI_SC_NOERR, offsetof(struct thread_info, syscall_noerror));
54 /* task_struct->thread */
55 DEFINE(THREAD, offsetof(struct task_struct, thread));
56 DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
57 DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
58 DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
59 DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
60 DEFINE(KSP, offsetof(struct thread_struct, ksp));
63 DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
64 DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
65 DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
66 DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
67 #endif /* CONFIG_ALTIVEC */
68 DEFINE(MM, offsetof(struct task_struct, mm));
71 DEFINE(PACA, offsetof(struct naca_struct, paca));
72 DEFINE(DCACHEL1LINESIZE, offsetof(struct systemcfg, dCacheL1LineSize));
73 DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct naca_struct, dCacheL1LogLineSize));
74 DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct naca_struct, dCacheL1LinesPerPage));
75 DEFINE(ICACHEL1LINESIZE, offsetof(struct systemcfg, iCacheL1LineSize));
76 DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct naca_struct, iCacheL1LogLineSize));
77 DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct naca_struct, iCacheL1LinesPerPage));
78 DEFINE(PLATFORM, offsetof(struct systemcfg, platform));
81 DEFINE(PACA_SIZE, sizeof(struct paca_struct));
82 DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index));
83 DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start));
84 DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack));
85 DEFINE(PACACURRENT, offsetof(struct paca_struct, __current));
86 DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr));
87 DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real));
88 DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr));
89 DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr));
90 DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1));
91 DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc));
92 DEFINE(PACAPROCENABLED, offsetof(struct paca_struct, proc_enabled));
93 DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
94 DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
95 DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
96 DEFINE(PACASLBR3, offsetof(struct paca_struct, slb_r3));
97 #ifdef CONFIG_HUGETLB_PAGE
98 DEFINE(PACAHTLBSEGS, offsetof(struct paca_struct, context.htlb_segs));
99 #endif /* CONFIG_HUGETLB_PAGE */
100 DEFINE(PACADEFAULTDECR, offsetof(struct paca_struct, default_decr));
101 DEFINE(PACAPROFENABLED, offsetof(struct paca_struct, prof_enabled));
102 DEFINE(PACAPROFLEN, offsetof(struct paca_struct, prof_len));
103 DEFINE(PACAPROFSHIFT, offsetof(struct paca_struct, prof_shift));
104 DEFINE(PACAPROFBUFFER, offsetof(struct paca_struct, prof_buffer));
105 DEFINE(PACAPROFSTEXT, offsetof(struct paca_struct, prof_stext));
106 DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
107 DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
108 DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
109 DEFINE(PACA_EXDSI, offsetof(struct paca_struct, exdsi));
110 DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
111 DEFINE(PACALPPACA, offsetof(struct paca_struct, lppaca));
112 DEFINE(LPPACASRR0, offsetof(struct ItLpPaca, xSavedSrr0));
113 DEFINE(LPPACASRR1, offsetof(struct ItLpPaca, xSavedSrr1));
114 DEFINE(LPPACAANYINT, offsetof(struct ItLpPaca, xIntDword.xAnyInt));
115 DEFINE(LPPACADECRINT, offsetof(struct ItLpPaca, xIntDword.xFields.xDecrInt));
116 DEFINE(LPQCUREVENTPTR, offsetof(struct ItLpQueue, xSlicCurEventPtr));
117 DEFINE(LPQOVERFLOW, offsetof(struct ItLpQueue, xPlicOverflowIntPending));
118 DEFINE(LPEVENTFLAGS, offsetof(struct HvLpEvent, xFlags));
119 DEFINE(PROMENTRY, offsetof(struct prom_t, entry));
122 DEFINE(RTASBASE, offsetof(struct rtas_t, base));
123 DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
124 DEFINE(RTASSIZE, offsetof(struct rtas_t, size));
126 /* Interrupt register frame */
127 DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
129 DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
131 /* 288 = # of volatile regs, int & fp, for leaf routines */
132 /* which do not stack a frame. See the PPC64 ABI. */
133 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288);
134 /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
135 DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
136 DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
137 DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
138 DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
139 DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
140 DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
141 DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
142 DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
143 DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
144 DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
145 DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
146 DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
147 DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10]));
148 DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11]));
149 DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12]));
150 DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13]));
151 DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20]));
152 DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21]));
153 DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22]));
154 DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23]));
156 * Note: these symbols include _ because they overlap with special
159 DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
160 DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
161 DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
162 DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
163 DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
164 DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
165 DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
166 DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
167 DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
168 DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
169 DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
170 DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
172 /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
173 DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
174 DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
176 DEFINE(CLONE_VM, CLONE_VM);
177 DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
179 /* About the CPU features table */
180 DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec));
181 DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask));
182 DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value));
183 DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
184 DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));