| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Generate definitions needed by assembly language modules. |
| * This code generates raw asm output which is post-processed to extract |
| * and format the required data. |
| */ |
| |
| #define ASM_OFFSETS_C |
| |
| #include <linux/kbuild.h> |
| #include <linux/kvm_host.h> |
| #include <linux/sched.h> |
| #include <asm/idle.h> |
| #include <asm/vdso.h> |
| #include <asm/pgtable.h> |
| #include <asm/gmap.h> |
| #include <asm/nmi.h> |
| |
| /* |
| * Make sure that the compiler is new enough. We want a compiler that |
| * is known to work with the "Q" assembler constraint. |
| */ |
| #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3) |
| #error Your compiler is too old; please use version 4.3 or newer |
| #endif |
| |
| int main(void) |
| { |
| /* task struct offsets */ |
| OFFSET(__TASK_stack, task_struct, stack); |
| OFFSET(__TASK_thread, task_struct, thread); |
| OFFSET(__TASK_pid, task_struct, pid); |
| BLANK(); |
| /* thread struct offsets */ |
| OFFSET(__THREAD_ksp, thread_struct, ksp); |
| OFFSET(__THREAD_sysc_table, thread_struct, sys_call_table); |
| OFFSET(__THREAD_last_break, thread_struct, last_break); |
| OFFSET(__THREAD_FPU_fpc, thread_struct, fpu.fpc); |
| OFFSET(__THREAD_FPU_regs, thread_struct, fpu.regs); |
| OFFSET(__THREAD_per_cause, thread_struct, per_event.cause); |
| OFFSET(__THREAD_per_address, thread_struct, per_event.address); |
| OFFSET(__THREAD_per_paid, thread_struct, per_event.paid); |
| OFFSET(__THREAD_trap_tdb, thread_struct, trap_tdb); |
| BLANK(); |
| /* thread info offsets */ |
| OFFSET(__TI_flags, task_struct, thread_info.flags); |
| BLANK(); |
| /* pt_regs offsets */ |
| OFFSET(__PT_ARGS, pt_regs, args); |
| OFFSET(__PT_PSW, pt_regs, psw); |
| OFFSET(__PT_GPRS, pt_regs, gprs); |
| OFFSET(__PT_ORIG_GPR2, pt_regs, orig_gpr2); |
| OFFSET(__PT_INT_CODE, pt_regs, int_code); |
| OFFSET(__PT_INT_PARM, pt_regs, int_parm); |
| OFFSET(__PT_INT_PARM_LONG, pt_regs, int_parm_long); |
| OFFSET(__PT_FLAGS, pt_regs, flags); |
| DEFINE(__PT_SIZE, sizeof(struct pt_regs)); |
| BLANK(); |
| /* stack_frame offsets */ |
| OFFSET(__SF_BACKCHAIN, stack_frame, back_chain); |
| OFFSET(__SF_GPRS, stack_frame, gprs); |
| OFFSET(__SF_EMPTY, stack_frame, empty1); |
| OFFSET(__SF_SIE_CONTROL, stack_frame, empty1[0]); |
| OFFSET(__SF_SIE_SAVEAREA, stack_frame, empty1[1]); |
| OFFSET(__SF_SIE_REASON, stack_frame, empty1[2]); |
| BLANK(); |
| /* timeval/timezone offsets for use by vdso */ |
| OFFSET(__VDSO_UPD_COUNT, vdso_data, tb_update_count); |
| OFFSET(__VDSO_XTIME_STAMP, vdso_data, xtime_tod_stamp); |
| OFFSET(__VDSO_XTIME_SEC, vdso_data, xtime_clock_sec); |
| OFFSET(__VDSO_XTIME_NSEC, vdso_data, xtime_clock_nsec); |
| OFFSET(__VDSO_XTIME_CRS_SEC, vdso_data, xtime_coarse_sec); |
| OFFSET(__VDSO_XTIME_CRS_NSEC, vdso_data, xtime_coarse_nsec); |
| OFFSET(__VDSO_WTOM_SEC, vdso_data, wtom_clock_sec); |
| OFFSET(__VDSO_WTOM_NSEC, vdso_data, wtom_clock_nsec); |
| OFFSET(__VDSO_WTOM_CRS_SEC, vdso_data, wtom_coarse_sec); |
| OFFSET(__VDSO_WTOM_CRS_NSEC, vdso_data, wtom_coarse_nsec); |
| OFFSET(__VDSO_TIMEZONE, vdso_data, tz_minuteswest); |
| OFFSET(__VDSO_ECTG_OK, vdso_data, ectg_available); |
| OFFSET(__VDSO_TK_MULT, vdso_data, tk_mult); |
| OFFSET(__VDSO_TK_SHIFT, vdso_data, tk_shift); |
| OFFSET(__VDSO_TS_DIR, vdso_data, ts_dir); |
| OFFSET(__VDSO_TS_END, vdso_data, ts_end); |
| OFFSET(__VDSO_ECTG_BASE, vdso_per_cpu_data, ectg_timer_base); |
| OFFSET(__VDSO_ECTG_USER, vdso_per_cpu_data, ectg_user_time); |
| OFFSET(__VDSO_CPU_NR, vdso_per_cpu_data, cpu_nr); |
| OFFSET(__VDSO_NODE_ID, vdso_per_cpu_data, node_id); |
| BLANK(); |
| /* constants used by the vdso */ |
| DEFINE(__CLOCK_REALTIME, CLOCK_REALTIME); |
| DEFINE(__CLOCK_MONOTONIC, CLOCK_MONOTONIC); |
| DEFINE(__CLOCK_REALTIME_COARSE, CLOCK_REALTIME_COARSE); |
| DEFINE(__CLOCK_MONOTONIC_COARSE, CLOCK_MONOTONIC_COARSE); |
| DEFINE(__CLOCK_THREAD_CPUTIME_ID, CLOCK_THREAD_CPUTIME_ID); |
| DEFINE(__CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC); |
| DEFINE(__CLOCK_COARSE_RES, LOW_RES_NSEC); |
| BLANK(); |
| /* idle data offsets */ |
| OFFSET(__CLOCK_IDLE_ENTER, s390_idle_data, clock_idle_enter); |
| OFFSET(__CLOCK_IDLE_EXIT, s390_idle_data, clock_idle_exit); |
| OFFSET(__TIMER_IDLE_ENTER, s390_idle_data, timer_idle_enter); |
| OFFSET(__TIMER_IDLE_EXIT, s390_idle_data, timer_idle_exit); |
| BLANK(); |
| /* hardware defined lowcore locations 0x000 - 0x1ff */ |
| OFFSET(__LC_EXT_PARAMS, lowcore, ext_params); |
| OFFSET(__LC_EXT_CPU_ADDR, lowcore, ext_cpu_addr); |
| OFFSET(__LC_EXT_INT_CODE, lowcore, ext_int_code); |
| OFFSET(__LC_SVC_ILC, lowcore, svc_ilc); |
| OFFSET(__LC_SVC_INT_CODE, lowcore, svc_code); |
| OFFSET(__LC_PGM_ILC, lowcore, pgm_ilc); |
| OFFSET(__LC_PGM_INT_CODE, lowcore, pgm_code); |
| OFFSET(__LC_DATA_EXC_CODE, lowcore, data_exc_code); |
| OFFSET(__LC_MON_CLASS_NR, lowcore, mon_class_num); |
| OFFSET(__LC_PER_CODE, lowcore, per_code); |
| OFFSET(__LC_PER_ATMID, lowcore, per_atmid); |
| OFFSET(__LC_PER_ADDRESS, lowcore, per_address); |
| OFFSET(__LC_EXC_ACCESS_ID, lowcore, exc_access_id); |
| OFFSET(__LC_PER_ACCESS_ID, lowcore, per_access_id); |
| OFFSET(__LC_OP_ACCESS_ID, lowcore, op_access_id); |
| OFFSET(__LC_AR_MODE_ID, lowcore, ar_mode_id); |
| OFFSET(__LC_TRANS_EXC_CODE, lowcore, trans_exc_code); |
| OFFSET(__LC_MON_CODE, lowcore, monitor_code); |
| OFFSET(__LC_SUBCHANNEL_ID, lowcore, subchannel_id); |
| OFFSET(__LC_SUBCHANNEL_NR, lowcore, subchannel_nr); |
| OFFSET(__LC_IO_INT_PARM, lowcore, io_int_parm); |
| OFFSET(__LC_IO_INT_WORD, lowcore, io_int_word); |
| OFFSET(__LC_STFL_FAC_LIST, lowcore, stfl_fac_list); |
| OFFSET(__LC_STFLE_FAC_LIST, lowcore, stfle_fac_list); |
| OFFSET(__LC_MCCK_CODE, lowcore, mcck_interruption_code); |
| OFFSET(__LC_EXT_DAMAGE_CODE, lowcore, external_damage_code); |
| OFFSET(__LC_MCCK_FAIL_STOR_ADDR, lowcore, failing_storage_address); |
| OFFSET(__LC_LAST_BREAK, lowcore, breaking_event_addr); |
| OFFSET(__LC_RST_OLD_PSW, lowcore, restart_old_psw); |
| OFFSET(__LC_EXT_OLD_PSW, lowcore, external_old_psw); |
| OFFSET(__LC_SVC_OLD_PSW, lowcore, svc_old_psw); |
| OFFSET(__LC_PGM_OLD_PSW, lowcore, program_old_psw); |
| OFFSET(__LC_MCK_OLD_PSW, lowcore, mcck_old_psw); |
| OFFSET(__LC_IO_OLD_PSW, lowcore, io_old_psw); |
| OFFSET(__LC_RST_NEW_PSW, lowcore, restart_psw); |
| OFFSET(__LC_EXT_NEW_PSW, lowcore, external_new_psw); |
| OFFSET(__LC_SVC_NEW_PSW, lowcore, svc_new_psw); |
| OFFSET(__LC_PGM_NEW_PSW, lowcore, program_new_psw); |
| OFFSET(__LC_MCK_NEW_PSW, lowcore, mcck_new_psw); |
| OFFSET(__LC_IO_NEW_PSW, lowcore, io_new_psw); |
| /* software defined lowcore locations 0x200 - 0xdff*/ |
| OFFSET(__LC_SAVE_AREA_SYNC, lowcore, save_area_sync); |
| OFFSET(__LC_SAVE_AREA_ASYNC, lowcore, save_area_async); |
| OFFSET(__LC_SAVE_AREA_RESTART, lowcore, save_area_restart); |
| OFFSET(__LC_CPU_FLAGS, lowcore, cpu_flags); |
| OFFSET(__LC_RETURN_PSW, lowcore, return_psw); |
| OFFSET(__LC_RETURN_MCCK_PSW, lowcore, return_mcck_psw); |
| OFFSET(__LC_SYNC_ENTER_TIMER, lowcore, sync_enter_timer); |
| OFFSET(__LC_ASYNC_ENTER_TIMER, lowcore, async_enter_timer); |
| OFFSET(__LC_MCCK_ENTER_TIMER, lowcore, mcck_enter_timer); |
| OFFSET(__LC_EXIT_TIMER, lowcore, exit_timer); |
| OFFSET(__LC_USER_TIMER, lowcore, user_timer); |
| OFFSET(__LC_SYSTEM_TIMER, lowcore, system_timer); |
| OFFSET(__LC_STEAL_TIMER, lowcore, steal_timer); |
| OFFSET(__LC_LAST_UPDATE_TIMER, lowcore, last_update_timer); |
| OFFSET(__LC_LAST_UPDATE_CLOCK, lowcore, last_update_clock); |
| OFFSET(__LC_INT_CLOCK, lowcore, int_clock); |
| OFFSET(__LC_MCCK_CLOCK, lowcore, mcck_clock); |
| OFFSET(__LC_CLOCK_COMPARATOR, lowcore, clock_comparator); |
| OFFSET(__LC_BOOT_CLOCK, lowcore, boot_clock); |
| OFFSET(__LC_CURRENT, lowcore, current_task); |
| OFFSET(__LC_KERNEL_STACK, lowcore, kernel_stack); |
| OFFSET(__LC_ASYNC_STACK, lowcore, async_stack); |
| OFFSET(__LC_PANIC_STACK, lowcore, panic_stack); |
| OFFSET(__LC_RESTART_STACK, lowcore, restart_stack); |
| OFFSET(__LC_RESTART_FN, lowcore, restart_fn); |
| OFFSET(__LC_RESTART_DATA, lowcore, restart_data); |
| OFFSET(__LC_RESTART_SOURCE, lowcore, restart_source); |
| OFFSET(__LC_USER_ASCE, lowcore, user_asce); |
| OFFSET(__LC_VDSO_ASCE, lowcore, vdso_asce); |
| OFFSET(__LC_LPP, lowcore, lpp); |
| OFFSET(__LC_CURRENT_PID, lowcore, current_pid); |
| OFFSET(__LC_PERCPU_OFFSET, lowcore, percpu_offset); |
| OFFSET(__LC_VDSO_PER_CPU, lowcore, vdso_per_cpu_data); |
| OFFSET(__LC_MACHINE_FLAGS, lowcore, machine_flags); |
| OFFSET(__LC_PREEMPT_COUNT, lowcore, preempt_count); |
| OFFSET(__LC_GMAP, lowcore, gmap); |
| /* software defined ABI-relevant lowcore locations 0xe00 - 0xe20 */ |
| OFFSET(__LC_DUMP_REIPL, lowcore, ipib); |
| /* hardware defined lowcore locations 0x1000 - 0x18ff */ |
| OFFSET(__LC_MCESAD, lowcore, mcesad); |
| OFFSET(__LC_EXT_PARAMS2, lowcore, ext_params2); |
| OFFSET(__LC_FPREGS_SAVE_AREA, lowcore, floating_pt_save_area); |
| OFFSET(__LC_GPREGS_SAVE_AREA, lowcore, gpregs_save_area); |
| OFFSET(__LC_PSW_SAVE_AREA, lowcore, psw_save_area); |
| OFFSET(__LC_PREFIX_SAVE_AREA, lowcore, prefixreg_save_area); |
| OFFSET(__LC_FP_CREG_SAVE_AREA, lowcore, fpt_creg_save_area); |
| OFFSET(__LC_TOD_PROGREG_SAVE_AREA, lowcore, tod_progreg_save_area); |
| OFFSET(__LC_CPU_TIMER_SAVE_AREA, lowcore, cpu_timer_save_area); |
| OFFSET(__LC_CLOCK_COMP_SAVE_AREA, lowcore, clock_comp_save_area); |
| OFFSET(__LC_AREGS_SAVE_AREA, lowcore, access_regs_save_area); |
| OFFSET(__LC_CREGS_SAVE_AREA, lowcore, cregs_save_area); |
| OFFSET(__LC_PGM_TDB, lowcore, pgm_tdb); |
| BLANK(); |
| /* extended machine check save area */ |
| OFFSET(__MCESA_GS_SAVE_AREA, mcesa, guarded_storage_save_area); |
| BLANK(); |
| /* gmap/sie offsets */ |
| OFFSET(__GMAP_ASCE, gmap, asce); |
| OFFSET(__SIE_PROG0C, kvm_s390_sie_block, prog0c); |
| OFFSET(__SIE_PROG20, kvm_s390_sie_block, prog20); |
| return 0; |
| } |