1// SPDX-License-Identifier: GPL-2.0
2/*
3 * This program is used to generate definitions needed by
4 * assembly language modules.
5 *
6 * We use the technique used in the OSF Mach kernel code:
7 * generate asm statements containing #defines,
8 * compile this file to assembler, and then extract the
9 * #defines from the assembly-language output.
10 */
11
12#define ASM_OFFSETS_C
13
14#include <linux/stddef.h>
15#include <linux/sched.h>
16#include <linux/kernel_stat.h>
17#include <linux/kbuild.h>
18#include <asm/bootinfo.h>
19#include <asm/irq.h>
20#include <asm/amigahw.h>
21#include <linux/font.h>
22
23int main(void)
24{
25	/* offsets into the task struct */
26	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
27	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
28	DEFINE(TASK_STACK, offsetof(struct task_struct, stack));
29
30	/* offsets into the thread struct */
31	DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
32	DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
33	DEFINE(THREAD_SR, offsetof(struct thread_struct, sr));
34	DEFINE(THREAD_FC, offsetof(struct thread_struct, fc));
35	DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp));
36	DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
37	DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp));
38	DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl));
39	DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate));
40
41	/* offsets into the thread_info struct */
42	DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count));
43	DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags));
44
45	/* offsets into the pt_regs */
46	DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0));
47	DEFINE(PT_OFF_ORIG_D0, offsetof(struct pt_regs, orig_d0));
48	DEFINE(PT_OFF_D1, offsetof(struct pt_regs, d1));
49	DEFINE(PT_OFF_D2, offsetof(struct pt_regs, d2));
50	DEFINE(PT_OFF_D3, offsetof(struct pt_regs, d3));
51	DEFINE(PT_OFF_D4, offsetof(struct pt_regs, d4));
52	DEFINE(PT_OFF_D5, offsetof(struct pt_regs, d5));
53	DEFINE(PT_OFF_A0, offsetof(struct pt_regs, a0));
54	DEFINE(PT_OFF_A1, offsetof(struct pt_regs, a1));
55	DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2));
56	DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc));
57	DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr));
58
59	/* bitfields are a bit difficult */
60#ifdef CONFIG_COLDFIRE
61	DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, sr) - 2);
62#else
63	DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4);
64#endif
65
66	/* offsets into the irq_cpustat_t struct */
67	DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
68
69	/* signal defines */
70	DEFINE(LSIGSEGV, SIGSEGV);
71	DEFINE(LSEGV_MAPERR, SEGV_MAPERR);
72	DEFINE(LSIGTRAP, SIGTRAP);
73	DEFINE(LTRAP_TRACE, TRAP_TRACE);
74
75#ifdef CONFIG_MMU
76	/* offsets into the bi_record struct */
77	DEFINE(BIR_TAG, offsetof(struct bi_record, tag));
78	DEFINE(BIR_SIZE, offsetof(struct bi_record, size));
79	DEFINE(BIR_DATA, offsetof(struct bi_record, data));
80
81	/* offsets into the font_desc struct */
82	DEFINE(FONT_DESC_IDX, offsetof(struct font_desc, idx));
83	DEFINE(FONT_DESC_NAME, offsetof(struct font_desc, name));
84	DEFINE(FONT_DESC_WIDTH, offsetof(struct font_desc, width));
85	DEFINE(FONT_DESC_HEIGHT, offsetof(struct font_desc, height));
86	DEFINE(FONT_DESC_DATA, offsetof(struct font_desc, data));
87	DEFINE(FONT_DESC_PREF, offsetof(struct font_desc, pref));
88
89	/* offsets into the custom struct */
90	DEFINE(CUSTOMBASE, &amiga_custom);
91	DEFINE(C_INTENAR, offsetof(struct CUSTOM, intenar));
92	DEFINE(C_INTREQR, offsetof(struct CUSTOM, intreqr));
93	DEFINE(C_INTENA, offsetof(struct CUSTOM, intena));
94	DEFINE(C_INTREQ, offsetof(struct CUSTOM, intreq));
95	DEFINE(C_SERDATR, offsetof(struct CUSTOM, serdatr));
96	DEFINE(C_SERDAT, offsetof(struct CUSTOM, serdat));
97	DEFINE(C_SERPER, offsetof(struct CUSTOM, serper));
98	DEFINE(CIAABASE, &ciaa);
99	DEFINE(CIABBASE, &ciab);
100	DEFINE(C_PRA, offsetof(struct CIA, pra));
101	DEFINE(ZTWOBASE, zTwoBase);
102
103	/* enum m68k_fixup_type */
104	DEFINE(M68K_FIXUP_MEMOFFSET, m68k_fixup_memoffset);
105#endif
106
107	return 0;
108}
109