diff options
Diffstat (limited to 'arch/s390/kernel/asm-offsets.c')
| -rw-r--r-- | arch/s390/kernel/asm-offsets.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c new file mode 100644 index 000000000..e9d09f6e8 --- /dev/null +++ b/arch/s390/kernel/asm-offsets.c @@ -0,0 +1,206 @@ +// 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 <linux/purgatory.h> +#include <asm/idle.h> +#include <asm/vdso.h> +#include <asm/pgtable.h> +#include <asm/gmap.h> +#include <asm/nmi.h> + +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]); + OFFSET(__SF_SIE_FLAGS, stack_frame, empty1[3]); + 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_CLOCK_REALTIME_RES, vdso_data, hrtimer_res); + 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_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); + OFFSET(__LC_BR_R1, lowcore, br_r1_trampoline); + /* 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); + /* kexec_sha_region */ + OFFSET(__KEXEC_SHA_REGION_START, kexec_sha_region, start); + OFFSET(__KEXEC_SHA_REGION_LEN, kexec_sha_region, len); + DEFINE(__KEXEC_SHA_REGION_SIZE, sizeof(struct kexec_sha_region)); + return 0; +} |