diff options
Diffstat (limited to 'arch/m68k/kernel/asm-offsets.c')
| -rw-r--r-- | arch/m68k/kernel/asm-offsets.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c new file mode 100644 index 000000000..ccea35505 --- /dev/null +++ b/arch/m68k/kernel/asm-offsets.c @@ -0,0 +1,108 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * This program is used to generate definitions needed by + * assembly language modules. + * + * We use the technique used in the OSF Mach kernel code: + * generate asm statements containing #defines, + * compile this file to assembler, and then extract the + * #defines from the assembly-language output. + */ + +#define ASM_OFFSETS_C + +#include <linux/stddef.h> +#include <linux/sched.h> +#include <linux/kernel_stat.h> +#include <linux/kbuild.h> +#include <asm/bootinfo.h> +#include <asm/irq.h> +#include <asm/amigahw.h> +#include <linux/font.h> + +int main(void) +{ + /* offsets into the task struct */ + DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); + DEFINE(TASK_MM, offsetof(struct task_struct, mm)); + DEFINE(TASK_STACK, offsetof(struct task_struct, stack)); + + /* offsets into the thread struct */ + DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp)); + DEFINE(THREAD_USP, offsetof(struct thread_struct, usp)); + DEFINE(THREAD_SR, offsetof(struct thread_struct, sr)); + DEFINE(THREAD_FS, offsetof(struct thread_struct, fs)); + DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp)); + DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0)); + DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp)); + DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl)); + DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate)); + + /* offsets into the thread_info struct */ + DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count)); + DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags)); + + /* offsets into the pt_regs */ + DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0)); + DEFINE(PT_OFF_ORIG_D0, offsetof(struct pt_regs, orig_d0)); + DEFINE(PT_OFF_D1, offsetof(struct pt_regs, d1)); + DEFINE(PT_OFF_D2, offsetof(struct pt_regs, d2)); + DEFINE(PT_OFF_D3, offsetof(struct pt_regs, d3)); + DEFINE(PT_OFF_D4, offsetof(struct pt_regs, d4)); + DEFINE(PT_OFF_D5, offsetof(struct pt_regs, d5)); + DEFINE(PT_OFF_A0, offsetof(struct pt_regs, a0)); + DEFINE(PT_OFF_A1, offsetof(struct pt_regs, a1)); + DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2)); + DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc)); + DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr)); + + /* bitfields are a bit difficult */ +#ifdef CONFIG_COLDFIRE + DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, sr) - 2); +#else + DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4); +#endif + + /* offsets into the irq_cpustat_t struct */ + DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending)); + + /* signal defines */ + DEFINE(LSIGSEGV, SIGSEGV); + DEFINE(LSEGV_MAPERR, SEGV_MAPERR); + DEFINE(LSIGTRAP, SIGTRAP); + DEFINE(LTRAP_TRACE, TRAP_TRACE); + +#ifdef CONFIG_MMU + /* offsets into the bi_record struct */ + DEFINE(BIR_TAG, offsetof(struct bi_record, tag)); + DEFINE(BIR_SIZE, offsetof(struct bi_record, size)); + DEFINE(BIR_DATA, offsetof(struct bi_record, data)); + + /* offsets into the font_desc struct */ + DEFINE(FONT_DESC_IDX, offsetof(struct font_desc, idx)); + DEFINE(FONT_DESC_NAME, offsetof(struct font_desc, name)); + DEFINE(FONT_DESC_WIDTH, offsetof(struct font_desc, width)); + DEFINE(FONT_DESC_HEIGHT, offsetof(struct font_desc, height)); + DEFINE(FONT_DESC_DATA, offsetof(struct font_desc, data)); + DEFINE(FONT_DESC_PREF, offsetof(struct font_desc, pref)); + + /* offsets into the custom struct */ + DEFINE(CUSTOMBASE, &amiga_custom); + DEFINE(C_INTENAR, offsetof(struct CUSTOM, intenar)); + DEFINE(C_INTREQR, offsetof(struct CUSTOM, intreqr)); + DEFINE(C_INTENA, offsetof(struct CUSTOM, intena)); + DEFINE(C_INTREQ, offsetof(struct CUSTOM, intreq)); + DEFINE(C_SERDATR, offsetof(struct CUSTOM, serdatr)); + DEFINE(C_SERDAT, offsetof(struct CUSTOM, serdat)); + DEFINE(C_SERPER, offsetof(struct CUSTOM, serper)); + DEFINE(CIAABASE, &ciaa); + DEFINE(CIABBASE, &ciab); + DEFINE(C_PRA, offsetof(struct CIA, pra)); + DEFINE(ZTWOBASE, zTwoBase); + + /* enum m68k_fixup_type */ + DEFINE(M68K_FIXUP_MEMOFFSET, m68k_fixup_memoffset); +#endif + + return 0; +} |