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