xref: /openbmc/linux/arch/parisc/kernel/asm-offsets.c (revision 2f0754f2)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Generate definitions needed by assembly language modules.
4  * This code generates raw asm output which is post-processed to extract
5  * and format the required data.
6  *
7  *    Copyright (C) 2000-2001 John Marvin <jsm at parisc-linux.org>
8  *    Copyright (C) 2000 David Huggins-Daines <dhd with pobox.org>
9  *    Copyright (C) 2000 Sam Creasey <sammy@sammy.net>
10  *    Copyright (C) 2000 Grant Grundler <grundler with parisc-linux.org>
11  *    Copyright (C) 2001 Paul Bame <bame at parisc-linux.org>
12  *    Copyright (C) 2001 Richard Hirst <rhirst at parisc-linux.org>
13  *    Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org>
14  *    Copyright (C) 2003 James Bottomley <jejb at parisc-linux.org>
15  */
16 
17 #include <linux/types.h>
18 #include <linux/sched.h>
19 #include <linux/thread_info.h>
20 #include <linux/ptrace.h>
21 #include <linux/hardirq.h>
22 #include <linux/kbuild.h>
23 #include <linux/pgtable.h>
24 
25 #include <asm/assembly.h>
26 #include <asm/ptrace.h>
27 #include <asm/processor.h>
28 #include <asm/pdc.h>
29 #include <linux/uaccess.h>
30 
31 /* Add FRAME_SIZE to the size x and align it to y. All definitions
32  * that use align_frame will include space for a frame.
33  */
34 #define align_frame(x,y) (((x)+FRAME_SIZE+(y)-1) - (((x)+(y)-1)%(y)))
35 
36 int main(void)
37 {
38 	DEFINE(TASK_TI_FLAGS, offsetof(struct task_struct, thread_info.flags));
39 #ifdef CONFIG_SMP
40 	DEFINE(TASK_TI_CPU, offsetof(struct task_struct, thread_info.cpu));
41 #endif
42 	DEFINE(TASK_STACK, offsetof(struct task_struct, stack));
43 	DEFINE(TASK_PAGEFAULT_DISABLED, offsetof(struct task_struct, pagefault_disabled));
44 	BLANK();
45 	DEFINE(TASK_REGS, offsetof(struct task_struct, thread.regs));
46 	DEFINE(TASK_PT_PSW, offsetof(struct task_struct, thread.regs.gr[ 0]));
47 	DEFINE(TASK_PT_GR1, offsetof(struct task_struct, thread.regs.gr[ 1]));
48 	DEFINE(TASK_PT_GR2, offsetof(struct task_struct, thread.regs.gr[ 2]));
49 	DEFINE(TASK_PT_GR3, offsetof(struct task_struct, thread.regs.gr[ 3]));
50 	DEFINE(TASK_PT_GR4, offsetof(struct task_struct, thread.regs.gr[ 4]));
51 	DEFINE(TASK_PT_GR5, offsetof(struct task_struct, thread.regs.gr[ 5]));
52 	DEFINE(TASK_PT_GR6, offsetof(struct task_struct, thread.regs.gr[ 6]));
53 	DEFINE(TASK_PT_GR7, offsetof(struct task_struct, thread.regs.gr[ 7]));
54 	DEFINE(TASK_PT_GR8, offsetof(struct task_struct, thread.regs.gr[ 8]));
55 	DEFINE(TASK_PT_GR9, offsetof(struct task_struct, thread.regs.gr[ 9]));
56 	DEFINE(TASK_PT_GR10, offsetof(struct task_struct, thread.regs.gr[10]));
57 	DEFINE(TASK_PT_GR11, offsetof(struct task_struct, thread.regs.gr[11]));
58 	DEFINE(TASK_PT_GR12, offsetof(struct task_struct, thread.regs.gr[12]));
59 	DEFINE(TASK_PT_GR13, offsetof(struct task_struct, thread.regs.gr[13]));
60 	DEFINE(TASK_PT_GR14, offsetof(struct task_struct, thread.regs.gr[14]));
61 	DEFINE(TASK_PT_GR15, offsetof(struct task_struct, thread.regs.gr[15]));
62 	DEFINE(TASK_PT_GR16, offsetof(struct task_struct, thread.regs.gr[16]));
63 	DEFINE(TASK_PT_GR17, offsetof(struct task_struct, thread.regs.gr[17]));
64 	DEFINE(TASK_PT_GR18, offsetof(struct task_struct, thread.regs.gr[18]));
65 	DEFINE(TASK_PT_GR19, offsetof(struct task_struct, thread.regs.gr[19]));
66 	DEFINE(TASK_PT_GR20, offsetof(struct task_struct, thread.regs.gr[20]));
67 	DEFINE(TASK_PT_GR21, offsetof(struct task_struct, thread.regs.gr[21]));
68 	DEFINE(TASK_PT_GR22, offsetof(struct task_struct, thread.regs.gr[22]));
69 	DEFINE(TASK_PT_GR23, offsetof(struct task_struct, thread.regs.gr[23]));
70 	DEFINE(TASK_PT_GR24, offsetof(struct task_struct, thread.regs.gr[24]));
71 	DEFINE(TASK_PT_GR25, offsetof(struct task_struct, thread.regs.gr[25]));
72 	DEFINE(TASK_PT_GR26, offsetof(struct task_struct, thread.regs.gr[26]));
73 	DEFINE(TASK_PT_GR27, offsetof(struct task_struct, thread.regs.gr[27]));
74 	DEFINE(TASK_PT_GR28, offsetof(struct task_struct, thread.regs.gr[28]));
75 	DEFINE(TASK_PT_GR29, offsetof(struct task_struct, thread.regs.gr[29]));
76 	DEFINE(TASK_PT_GR30, offsetof(struct task_struct, thread.regs.gr[30]));
77 	DEFINE(TASK_PT_GR31, offsetof(struct task_struct, thread.regs.gr[31]));
78 	DEFINE(TASK_PT_FR0, offsetof(struct task_struct, thread.regs.fr[ 0]));
79 	DEFINE(TASK_PT_FR1, offsetof(struct task_struct, thread.regs.fr[ 1]));
80 	DEFINE(TASK_PT_FR2, offsetof(struct task_struct, thread.regs.fr[ 2]));
81 	DEFINE(TASK_PT_FR3, offsetof(struct task_struct, thread.regs.fr[ 3]));
82 	DEFINE(TASK_PT_FR4, offsetof(struct task_struct, thread.regs.fr[ 4]));
83 	DEFINE(TASK_PT_FR5, offsetof(struct task_struct, thread.regs.fr[ 5]));
84 	DEFINE(TASK_PT_FR6, offsetof(struct task_struct, thread.regs.fr[ 6]));
85 	DEFINE(TASK_PT_FR7, offsetof(struct task_struct, thread.regs.fr[ 7]));
86 	DEFINE(TASK_PT_FR8, offsetof(struct task_struct, thread.regs.fr[ 8]));
87 	DEFINE(TASK_PT_FR9, offsetof(struct task_struct, thread.regs.fr[ 9]));
88 	DEFINE(TASK_PT_FR10, offsetof(struct task_struct, thread.regs.fr[10]));
89 	DEFINE(TASK_PT_FR11, offsetof(struct task_struct, thread.regs.fr[11]));
90 	DEFINE(TASK_PT_FR12, offsetof(struct task_struct, thread.regs.fr[12]));
91 	DEFINE(TASK_PT_FR13, offsetof(struct task_struct, thread.regs.fr[13]));
92 	DEFINE(TASK_PT_FR14, offsetof(struct task_struct, thread.regs.fr[14]));
93 	DEFINE(TASK_PT_FR15, offsetof(struct task_struct, thread.regs.fr[15]));
94 	DEFINE(TASK_PT_FR16, offsetof(struct task_struct, thread.regs.fr[16]));
95 	DEFINE(TASK_PT_FR17, offsetof(struct task_struct, thread.regs.fr[17]));
96 	DEFINE(TASK_PT_FR18, offsetof(struct task_struct, thread.regs.fr[18]));
97 	DEFINE(TASK_PT_FR19, offsetof(struct task_struct, thread.regs.fr[19]));
98 	DEFINE(TASK_PT_FR20, offsetof(struct task_struct, thread.regs.fr[20]));
99 	DEFINE(TASK_PT_FR21, offsetof(struct task_struct, thread.regs.fr[21]));
100 	DEFINE(TASK_PT_FR22, offsetof(struct task_struct, thread.regs.fr[22]));
101 	DEFINE(TASK_PT_FR23, offsetof(struct task_struct, thread.regs.fr[23]));
102 	DEFINE(TASK_PT_FR24, offsetof(struct task_struct, thread.regs.fr[24]));
103 	DEFINE(TASK_PT_FR25, offsetof(struct task_struct, thread.regs.fr[25]));
104 	DEFINE(TASK_PT_FR26, offsetof(struct task_struct, thread.regs.fr[26]));
105 	DEFINE(TASK_PT_FR27, offsetof(struct task_struct, thread.regs.fr[27]));
106 	DEFINE(TASK_PT_FR28, offsetof(struct task_struct, thread.regs.fr[28]));
107 	DEFINE(TASK_PT_FR29, offsetof(struct task_struct, thread.regs.fr[29]));
108 	DEFINE(TASK_PT_FR30, offsetof(struct task_struct, thread.regs.fr[30]));
109 	DEFINE(TASK_PT_FR31, offsetof(struct task_struct, thread.regs.fr[31]));
110 	DEFINE(TASK_PT_SR0, offsetof(struct task_struct, thread.regs.sr[ 0]));
111 	DEFINE(TASK_PT_SR1, offsetof(struct task_struct, thread.regs.sr[ 1]));
112 	DEFINE(TASK_PT_SR2, offsetof(struct task_struct, thread.regs.sr[ 2]));
113 	DEFINE(TASK_PT_SR3, offsetof(struct task_struct, thread.regs.sr[ 3]));
114 	DEFINE(TASK_PT_SR4, offsetof(struct task_struct, thread.regs.sr[ 4]));
115 	DEFINE(TASK_PT_SR5, offsetof(struct task_struct, thread.regs.sr[ 5]));
116 	DEFINE(TASK_PT_SR6, offsetof(struct task_struct, thread.regs.sr[ 6]));
117 	DEFINE(TASK_PT_SR7, offsetof(struct task_struct, thread.regs.sr[ 7]));
118 	DEFINE(TASK_PT_IASQ0, offsetof(struct task_struct, thread.regs.iasq[0]));
119 	DEFINE(TASK_PT_IASQ1, offsetof(struct task_struct, thread.regs.iasq[1]));
120 	DEFINE(TASK_PT_IAOQ0, offsetof(struct task_struct, thread.regs.iaoq[0]));
121 	DEFINE(TASK_PT_IAOQ1, offsetof(struct task_struct, thread.regs.iaoq[1]));
122 	DEFINE(TASK_PT_CR27, offsetof(struct task_struct, thread.regs.cr27));
123 	DEFINE(TASK_PT_ORIG_R28, offsetof(struct task_struct, thread.regs.orig_r28));
124 	DEFINE(TASK_PT_KSP, offsetof(struct task_struct, thread.regs.ksp));
125 	DEFINE(TASK_PT_KPC, offsetof(struct task_struct, thread.regs.kpc));
126 	DEFINE(TASK_PT_SAR, offsetof(struct task_struct, thread.regs.sar));
127 	DEFINE(TASK_PT_IIR, offsetof(struct task_struct, thread.regs.iir));
128 	DEFINE(TASK_PT_ISR, offsetof(struct task_struct, thread.regs.isr));
129 	DEFINE(TASK_PT_IOR, offsetof(struct task_struct, thread.regs.ior));
130 	BLANK();
131 	DEFINE(PT_PSW, offsetof(struct pt_regs, gr[ 0]));
132 	DEFINE(PT_GR1, offsetof(struct pt_regs, gr[ 1]));
133 	DEFINE(PT_GR2, offsetof(struct pt_regs, gr[ 2]));
134 	DEFINE(PT_GR3, offsetof(struct pt_regs, gr[ 3]));
135 	DEFINE(PT_GR4, offsetof(struct pt_regs, gr[ 4]));
136 	DEFINE(PT_GR5, offsetof(struct pt_regs, gr[ 5]));
137 	DEFINE(PT_GR6, offsetof(struct pt_regs, gr[ 6]));
138 	DEFINE(PT_GR7, offsetof(struct pt_regs, gr[ 7]));
139 	DEFINE(PT_GR8, offsetof(struct pt_regs, gr[ 8]));
140 	DEFINE(PT_GR9, offsetof(struct pt_regs, gr[ 9]));
141 	DEFINE(PT_GR10, offsetof(struct pt_regs, gr[10]));
142 	DEFINE(PT_GR11, offsetof(struct pt_regs, gr[11]));
143 	DEFINE(PT_GR12, offsetof(struct pt_regs, gr[12]));
144 	DEFINE(PT_GR13, offsetof(struct pt_regs, gr[13]));
145 	DEFINE(PT_GR14, offsetof(struct pt_regs, gr[14]));
146 	DEFINE(PT_GR15, offsetof(struct pt_regs, gr[15]));
147 	DEFINE(PT_GR16, offsetof(struct pt_regs, gr[16]));
148 	DEFINE(PT_GR17, offsetof(struct pt_regs, gr[17]));
149 	DEFINE(PT_GR18, offsetof(struct pt_regs, gr[18]));
150 	DEFINE(PT_GR19, offsetof(struct pt_regs, gr[19]));
151 	DEFINE(PT_GR20, offsetof(struct pt_regs, gr[20]));
152 	DEFINE(PT_GR21, offsetof(struct pt_regs, gr[21]));
153 	DEFINE(PT_GR22, offsetof(struct pt_regs, gr[22]));
154 	DEFINE(PT_GR23, offsetof(struct pt_regs, gr[23]));
155 	DEFINE(PT_GR24, offsetof(struct pt_regs, gr[24]));
156 	DEFINE(PT_GR25, offsetof(struct pt_regs, gr[25]));
157 	DEFINE(PT_GR26, offsetof(struct pt_regs, gr[26]));
158 	DEFINE(PT_GR27, offsetof(struct pt_regs, gr[27]));
159 	DEFINE(PT_GR28, offsetof(struct pt_regs, gr[28]));
160 	DEFINE(PT_GR29, offsetof(struct pt_regs, gr[29]));
161 	DEFINE(PT_GR30, offsetof(struct pt_regs, gr[30]));
162 	DEFINE(PT_GR31, offsetof(struct pt_regs, gr[31]));
163 	DEFINE(PT_FR0, offsetof(struct pt_regs, fr[ 0]));
164 	DEFINE(PT_FR1, offsetof(struct pt_regs, fr[ 1]));
165 	DEFINE(PT_FR2, offsetof(struct pt_regs, fr[ 2]));
166 	DEFINE(PT_FR3, offsetof(struct pt_regs, fr[ 3]));
167 	DEFINE(PT_FR4, offsetof(struct pt_regs, fr[ 4]));
168 	DEFINE(PT_FR5, offsetof(struct pt_regs, fr[ 5]));
169 	DEFINE(PT_FR6, offsetof(struct pt_regs, fr[ 6]));
170 	DEFINE(PT_FR7, offsetof(struct pt_regs, fr[ 7]));
171 	DEFINE(PT_FR8, offsetof(struct pt_regs, fr[ 8]));
172 	DEFINE(PT_FR9, offsetof(struct pt_regs, fr[ 9]));
173 	DEFINE(PT_FR10, offsetof(struct pt_regs, fr[10]));
174 	DEFINE(PT_FR11, offsetof(struct pt_regs, fr[11]));
175 	DEFINE(PT_FR12, offsetof(struct pt_regs, fr[12]));
176 	DEFINE(PT_FR13, offsetof(struct pt_regs, fr[13]));
177 	DEFINE(PT_FR14, offsetof(struct pt_regs, fr[14]));
178 	DEFINE(PT_FR15, offsetof(struct pt_regs, fr[15]));
179 	DEFINE(PT_FR16, offsetof(struct pt_regs, fr[16]));
180 	DEFINE(PT_FR17, offsetof(struct pt_regs, fr[17]));
181 	DEFINE(PT_FR18, offsetof(struct pt_regs, fr[18]));
182 	DEFINE(PT_FR19, offsetof(struct pt_regs, fr[19]));
183 	DEFINE(PT_FR20, offsetof(struct pt_regs, fr[20]));
184 	DEFINE(PT_FR21, offsetof(struct pt_regs, fr[21]));
185 	DEFINE(PT_FR22, offsetof(struct pt_regs, fr[22]));
186 	DEFINE(PT_FR23, offsetof(struct pt_regs, fr[23]));
187 	DEFINE(PT_FR24, offsetof(struct pt_regs, fr[24]));
188 	DEFINE(PT_FR25, offsetof(struct pt_regs, fr[25]));
189 	DEFINE(PT_FR26, offsetof(struct pt_regs, fr[26]));
190 	DEFINE(PT_FR27, offsetof(struct pt_regs, fr[27]));
191 	DEFINE(PT_FR28, offsetof(struct pt_regs, fr[28]));
192 	DEFINE(PT_FR29, offsetof(struct pt_regs, fr[29]));
193 	DEFINE(PT_FR30, offsetof(struct pt_regs, fr[30]));
194 	DEFINE(PT_FR31, offsetof(struct pt_regs, fr[31]));
195 	DEFINE(PT_SR0, offsetof(struct pt_regs, sr[ 0]));
196 	DEFINE(PT_SR1, offsetof(struct pt_regs, sr[ 1]));
197 	DEFINE(PT_SR2, offsetof(struct pt_regs, sr[ 2]));
198 	DEFINE(PT_SR3, offsetof(struct pt_regs, sr[ 3]));
199 	DEFINE(PT_SR4, offsetof(struct pt_regs, sr[ 4]));
200 	DEFINE(PT_SR5, offsetof(struct pt_regs, sr[ 5]));
201 	DEFINE(PT_SR6, offsetof(struct pt_regs, sr[ 6]));
202 	DEFINE(PT_SR7, offsetof(struct pt_regs, sr[ 7]));
203 	DEFINE(PT_IASQ0, offsetof(struct pt_regs, iasq[0]));
204 	DEFINE(PT_IASQ1, offsetof(struct pt_regs, iasq[1]));
205 	DEFINE(PT_IAOQ0, offsetof(struct pt_regs, iaoq[0]));
206 	DEFINE(PT_IAOQ1, offsetof(struct pt_regs, iaoq[1]));
207 	DEFINE(PT_CR27, offsetof(struct pt_regs, cr27));
208 	DEFINE(PT_ORIG_R28, offsetof(struct pt_regs, orig_r28));
209 	DEFINE(PT_KSP, offsetof(struct pt_regs, ksp));
210 	DEFINE(PT_KPC, offsetof(struct pt_regs, kpc));
211 	DEFINE(PT_SAR, offsetof(struct pt_regs, sar));
212 	DEFINE(PT_IIR, offsetof(struct pt_regs, iir));
213 	DEFINE(PT_ISR, offsetof(struct pt_regs, isr));
214 	DEFINE(PT_IOR, offsetof(struct pt_regs, ior));
215 	/* PT_SZ_ALGN includes space for a stack frame. */
216 	DEFINE(PT_SZ_ALGN, align_frame(sizeof(struct pt_regs), FRAME_ALIGN));
217 	BLANK();
218 	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
219 	DEFINE(TI_PRE_COUNT, offsetof(struct task_struct, thread_info.preempt_count));
220 	BLANK();
221 	DEFINE(ICACHE_BASE, offsetof(struct pdc_cache_info, ic_base));
222 	DEFINE(ICACHE_STRIDE, offsetof(struct pdc_cache_info, ic_stride));
223 	DEFINE(ICACHE_COUNT, offsetof(struct pdc_cache_info, ic_count));
224 	DEFINE(ICACHE_LOOP, offsetof(struct pdc_cache_info, ic_loop));
225 	DEFINE(DCACHE_BASE, offsetof(struct pdc_cache_info, dc_base));
226 	DEFINE(DCACHE_STRIDE, offsetof(struct pdc_cache_info, dc_stride));
227 	DEFINE(DCACHE_COUNT, offsetof(struct pdc_cache_info, dc_count));
228 	DEFINE(DCACHE_LOOP, offsetof(struct pdc_cache_info, dc_loop));
229 	DEFINE(ITLB_SID_BASE, offsetof(struct pdc_cache_info, it_sp_base));
230 	DEFINE(ITLB_SID_STRIDE, offsetof(struct pdc_cache_info, it_sp_stride));
231 	DEFINE(ITLB_SID_COUNT, offsetof(struct pdc_cache_info, it_sp_count));
232 	DEFINE(ITLB_OFF_BASE, offsetof(struct pdc_cache_info, it_off_base));
233 	DEFINE(ITLB_OFF_STRIDE, offsetof(struct pdc_cache_info, it_off_stride));
234 	DEFINE(ITLB_OFF_COUNT, offsetof(struct pdc_cache_info, it_off_count));
235 	DEFINE(ITLB_LOOP, offsetof(struct pdc_cache_info, it_loop));
236 	DEFINE(DTLB_SID_BASE, offsetof(struct pdc_cache_info, dt_sp_base));
237 	DEFINE(DTLB_SID_STRIDE, offsetof(struct pdc_cache_info, dt_sp_stride));
238 	DEFINE(DTLB_SID_COUNT, offsetof(struct pdc_cache_info, dt_sp_count));
239 	DEFINE(DTLB_OFF_BASE, offsetof(struct pdc_cache_info, dt_off_base));
240 	DEFINE(DTLB_OFF_STRIDE, offsetof(struct pdc_cache_info, dt_off_stride));
241 	DEFINE(DTLB_OFF_COUNT, offsetof(struct pdc_cache_info, dt_off_count));
242 	DEFINE(DTLB_LOOP, offsetof(struct pdc_cache_info, dt_loop));
243 	BLANK();
244 	DEFINE(TIF_BLOCKSTEP_PA_BIT, 31-TIF_BLOCKSTEP);
245 	DEFINE(TIF_SINGLESTEP_PA_BIT, 31-TIF_SINGLESTEP);
246 	BLANK();
247 	DEFINE(ASM_PMD_SHIFT, PMD_SHIFT);
248 	DEFINE(ASM_PGDIR_SHIFT, PGDIR_SHIFT);
249 	DEFINE(ASM_BITS_PER_PGD, BITS_PER_PGD);
250 	DEFINE(ASM_BITS_PER_PMD, BITS_PER_PMD);
251 	DEFINE(ASM_BITS_PER_PTE, BITS_PER_PTE);
252 	DEFINE(ASM_PMD_ENTRY, ((PAGE_OFFSET & PMD_MASK) >> PMD_SHIFT));
253 	DEFINE(ASM_PGD_ENTRY, PAGE_OFFSET >> PGDIR_SHIFT);
254 	DEFINE(ASM_PGD_ENTRY_SIZE, PGD_ENTRY_SIZE);
255 	DEFINE(ASM_PMD_ENTRY_SIZE, PMD_ENTRY_SIZE);
256 	DEFINE(ASM_PTE_ENTRY_SIZE, PTE_ENTRY_SIZE);
257 	DEFINE(ASM_PFN_PTE_SHIFT, PFN_PTE_SHIFT);
258 	DEFINE(ASM_PT_INITIAL, PT_INITIAL);
259 	BLANK();
260 	/* HUGEPAGE_SIZE is only used in vmlinux.lds.S to align kernel text
261 	 * and kernel data on physical huge pages */
262 #ifdef CONFIG_HUGETLB_PAGE
263 	DEFINE(HUGEPAGE_SIZE, 1UL << REAL_HPAGE_SHIFT);
264 #else
265 	DEFINE(HUGEPAGE_SIZE, PAGE_SIZE);
266 #endif
267 	BLANK();
268 	DEFINE(ASM_PDC_RESULT_SIZE, NUM_PDC_RESULT * sizeof(unsigned long));
269 	BLANK();
270 	return 0;
271 }
272