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
23 int 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
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