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));
52 /* task_struct->thread */
53 DEFINE(THREAD, offsetof(struct task_struct, thread));
54 DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
55 DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
56 DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
57 DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
58 DEFINE(KSP, offsetof(struct thread_struct, ksp));
61 DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
62 DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
63 DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
64 DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
65 #endif /* CONFIG_ALTIVEC */
66 DEFINE(MM, offsetof(struct task_struct, mm));
69 DEFINE(PACA, offsetof(struct naca_struct, paca));
70 DEFINE(DCACHEL1LINESIZE, offsetof(struct systemcfg, dCacheL1LineSize));
71 DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct naca_struct, dCacheL1LogLineSize));
72 DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct naca_struct, dCacheL1LinesPerPage));
73 DEFINE(ICACHEL1LINESIZE, offsetof(struct systemcfg, iCacheL1LineSize));
74 DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct naca_struct, iCacheL1LogLineSize));
75 DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct naca_struct, iCacheL1LinesPerPage));
76 DEFINE(PLATFORM, offsetof(struct systemcfg, platform));
79 DEFINE(PACA_SIZE, sizeof(struct paca_struct));
80 DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, xPacaIndex));
81 DEFINE(PACAPROCSTART, offsetof(struct paca_struct, xProcStart));
82 DEFINE(PACAKSAVE, offsetof(struct paca_struct, xKsave));
83 DEFINE(PACACURRENT, offsetof(struct paca_struct, xCurrent));
84 DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, xSavedMsr));
85 DEFINE(PACASTABREAL, offsetof(struct paca_struct, xStab_data.real));
86 DEFINE(PACASTABVIRT, offsetof(struct paca_struct, xStab_data.virt));
87 DEFINE(PACASTABRR, offsetof(struct paca_struct, xStab_data.next_round_robin));
88 DEFINE(PACAR1, offsetof(struct paca_struct, xR1));
89 DEFINE(PACALPQUEUE, offsetof(struct paca_struct, lpQueuePtr));
90 DEFINE(PACATOC, offsetof(struct paca_struct, xTOC));
91 DEFINE(PACAEXCSP, offsetof(struct paca_struct, exception_sp));
92 DEFINE(PACAPROCENABLED, offsetof(struct paca_struct, xProcEnabled));
93 DEFINE(PACADEFAULTDECR, offsetof(struct paca_struct, default_decr));
94 DEFINE(PACAPROFENABLED, offsetof(struct paca_struct, prof_enabled));
95 DEFINE(PACAPROFLEN, offsetof(struct paca_struct, prof_len));
96 DEFINE(PACAPROFSHIFT, offsetof(struct paca_struct, prof_shift));
97 DEFINE(PACAPROFBUFFER, offsetof(struct paca_struct, prof_buffer));
98 DEFINE(PACAPROFSTEXT, offsetof(struct paca_struct, prof_stext));
99 DEFINE(PACALPPACA, offsetof(struct paca_struct, xLpPaca));
100 DEFINE(LPPACA, offsetof(struct paca_struct, xLpPaca));
101 DEFINE(PACAREGSAV, offsetof(struct paca_struct, xRegSav));
102 DEFINE(PACAEXC, offsetof(struct paca_struct, exception_stack));
103 DEFINE(PACAGUARD, offsetof(struct paca_struct, guard));
104 DEFINE(LPPACASRR0, offsetof(struct ItLpPaca, xSavedSrr0));
105 DEFINE(LPPACASRR1, offsetof(struct ItLpPaca, xSavedSrr1));
106 DEFINE(LPPACAANYINT, offsetof(struct ItLpPaca, xIntDword.xAnyInt));
107 DEFINE(LPPACADECRINT, offsetof(struct ItLpPaca, xIntDword.xFields.xDecrInt));
108 DEFINE(LPQCUREVENTPTR, offsetof(struct ItLpQueue, xSlicCurEventPtr));
109 DEFINE(LPQOVERFLOW, offsetof(struct ItLpQueue, xPlicOverflowIntPending));
110 DEFINE(LPEVENTFLAGS, offsetof(struct HvLpEvent, xFlags));
111 DEFINE(PROMENTRY, offsetof(struct prom_t, entry));
114 DEFINE(RTASBASE, offsetof(struct rtas_t, base));
115 DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
116 DEFINE(RTASSIZE, offsetof(struct rtas_t, size));
118 /* Interrupt register frame */
119 DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
121 DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
123 /* 288 = # of volatile regs, int & fp, for leaf routines */
124 /* which do not stack a frame. See the PPC64 ABI. */
125 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288);
126 /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
127 DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
128 DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
129 DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
130 DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
131 DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
132 DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
133 DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
134 DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
135 DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
136 DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
137 DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
138 DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
139 DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20]));
140 DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21]));
141 DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22]));
142 DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23]));
144 * Note: these symbols include _ because they overlap with special
147 DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
148 DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
149 DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
150 DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
151 DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
152 DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
153 DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
154 DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
155 DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
156 DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
157 DEFINE(TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
158 DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
160 /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
161 DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
162 DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
164 DEFINE(CLONE_VM, CLONE_VM);
165 DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
167 /* About the CPU features table */
168 DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec));
169 DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask));
170 DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value));
171 DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
172 DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));