1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Generate definitions needed by assembly language modules.
4 * This code generates raw asm output which is post-processed to extract
5 * and format the required data.
6 */
7
8 #define ASM_OFFSETS_C
9
10 #include <linux/kbuild.h>
11 #include <linux/kvm_host.h>
12 #include <linux/sched.h>
13 #include <linux/purgatory.h>
14 #include <linux/pgtable.h>
15 #include <asm/idle.h>
16 #include <asm/gmap.h>
17 #include <asm/nmi.h>
18 #include <asm/stacktrace.h>
19
main(void)20 int main(void)
21 {
22 /* task struct offsets */
23 OFFSET(__TASK_stack, task_struct, stack);
24 OFFSET(__TASK_thread, task_struct, thread);
25 OFFSET(__TASK_pid, task_struct, pid);
26 BLANK();
27 /* thread struct offsets */
28 OFFSET(__THREAD_ksp, thread_struct, ksp);
29 BLANK();
30 /* thread info offsets */
31 OFFSET(__TI_flags, task_struct, thread_info.flags);
32 BLANK();
33 /* pt_regs offsets */
34 OFFSET(__PT_PSW, pt_regs, psw);
35 OFFSET(__PT_GPRS, pt_regs, gprs);
36 OFFSET(__PT_ORIG_GPR2, pt_regs, orig_gpr2);
37 OFFSET(__PT_FLAGS, pt_regs, flags);
38 OFFSET(__PT_CR1, pt_regs, cr1);
39 DEFINE(__PT_SIZE, sizeof(struct pt_regs));
40 BLANK();
41 /* stack_frame offsets */
42 OFFSET(__SF_BACKCHAIN, stack_frame, back_chain);
43 OFFSET(__SF_GPRS, stack_frame, gprs);
44 OFFSET(__SF_EMPTY, stack_frame, empty1[0]);
45 OFFSET(__SF_SIE_CONTROL, stack_frame, empty1[1]);
46 OFFSET(__SF_SIE_SAVEAREA, stack_frame, empty1[2]);
47 OFFSET(__SF_SIE_REASON, stack_frame, empty1[3]);
48 OFFSET(__SF_SIE_FLAGS, stack_frame, empty1[4]);
49 BLANK();
50 /* idle data offsets */
51 OFFSET(__CLOCK_IDLE_ENTER, s390_idle_data, clock_idle_enter);
52 OFFSET(__CLOCK_IDLE_EXIT, s390_idle_data, clock_idle_exit);
53 OFFSET(__TIMER_IDLE_ENTER, s390_idle_data, timer_idle_enter);
54 OFFSET(__TIMER_IDLE_EXIT, s390_idle_data, timer_idle_exit);
55 OFFSET(__MT_CYCLES_ENTER, s390_idle_data, mt_cycles_enter);
56 BLANK();
57 /* hardware defined lowcore locations 0x000 - 0x1ff */
58 OFFSET(__LC_EXT_PARAMS, lowcore, ext_params);
59 OFFSET(__LC_EXT_CPU_ADDR, lowcore, ext_cpu_addr);
60 OFFSET(__LC_EXT_INT_CODE, lowcore, ext_int_code);
61 OFFSET(__LC_SVC_ILC, lowcore, svc_ilc);
62 OFFSET(__LC_SVC_INT_CODE, lowcore, svc_code);
63 OFFSET(__LC_PGM_ILC, lowcore, pgm_ilc);
64 OFFSET(__LC_PGM_INT_CODE, lowcore, pgm_code);
65 OFFSET(__LC_DATA_EXC_CODE, lowcore, data_exc_code);
66 OFFSET(__LC_MON_CLASS_NR, lowcore, mon_class_num);
67 OFFSET(__LC_PER_CODE, lowcore, per_code);
68 OFFSET(__LC_PER_ATMID, lowcore, per_atmid);
69 OFFSET(__LC_PER_ADDRESS, lowcore, per_address);
70 OFFSET(__LC_EXC_ACCESS_ID, lowcore, exc_access_id);
71 OFFSET(__LC_PER_ACCESS_ID, lowcore, per_access_id);
72 OFFSET(__LC_OP_ACCESS_ID, lowcore, op_access_id);
73 OFFSET(__LC_AR_MODE_ID, lowcore, ar_mode_id);
74 OFFSET(__LC_TRANS_EXC_CODE, lowcore, trans_exc_code);
75 OFFSET(__LC_MON_CODE, lowcore, monitor_code);
76 OFFSET(__LC_SUBCHANNEL_ID, lowcore, subchannel_id);
77 OFFSET(__LC_SUBCHANNEL_NR, lowcore, subchannel_nr);
78 OFFSET(__LC_IO_INT_PARM, lowcore, io_int_parm);
79 OFFSET(__LC_IO_INT_WORD, lowcore, io_int_word);
80 OFFSET(__LC_STFL_FAC_LIST, lowcore, stfl_fac_list);
81 OFFSET(__LC_STFLE_FAC_LIST, lowcore, stfle_fac_list);
82 OFFSET(__LC_MCCK_CODE, lowcore, mcck_interruption_code);
83 OFFSET(__LC_EXT_DAMAGE_CODE, lowcore, external_damage_code);
84 OFFSET(__LC_MCCK_FAIL_STOR_ADDR, lowcore, failing_storage_address);
85 OFFSET(__LC_LAST_BREAK, lowcore, breaking_event_addr);
86 OFFSET(__LC_RETURN_LPSWE, lowcore, return_lpswe);
87 OFFSET(__LC_RETURN_MCCK_LPSWE, lowcore, return_mcck_lpswe);
88 OFFSET(__LC_RST_OLD_PSW, lowcore, restart_old_psw);
89 OFFSET(__LC_EXT_OLD_PSW, lowcore, external_old_psw);
90 OFFSET(__LC_SVC_OLD_PSW, lowcore, svc_old_psw);
91 OFFSET(__LC_PGM_OLD_PSW, lowcore, program_old_psw);
92 OFFSET(__LC_MCK_OLD_PSW, lowcore, mcck_old_psw);
93 OFFSET(__LC_IO_OLD_PSW, lowcore, io_old_psw);
94 OFFSET(__LC_RST_NEW_PSW, lowcore, restart_psw);
95 OFFSET(__LC_EXT_NEW_PSW, lowcore, external_new_psw);
96 OFFSET(__LC_SVC_NEW_PSW, lowcore, svc_new_psw);
97 OFFSET(__LC_PGM_NEW_PSW, lowcore, program_new_psw);
98 OFFSET(__LC_MCK_NEW_PSW, lowcore, mcck_new_psw);
99 OFFSET(__LC_IO_NEW_PSW, lowcore, io_new_psw);
100 /* software defined lowcore locations 0x200 - 0xdff*/
101 OFFSET(__LC_SAVE_AREA_SYNC, lowcore, save_area_sync);
102 OFFSET(__LC_SAVE_AREA_ASYNC, lowcore, save_area_async);
103 OFFSET(__LC_SAVE_AREA_RESTART, lowcore, save_area_restart);
104 OFFSET(__LC_CPU_FLAGS, lowcore, cpu_flags);
105 OFFSET(__LC_RETURN_PSW, lowcore, return_psw);
106 OFFSET(__LC_RETURN_MCCK_PSW, lowcore, return_mcck_psw);
107 OFFSET(__LC_SYS_ENTER_TIMER, lowcore, sys_enter_timer);
108 OFFSET(__LC_MCCK_ENTER_TIMER, lowcore, mcck_enter_timer);
109 OFFSET(__LC_EXIT_TIMER, lowcore, exit_timer);
110 OFFSET(__LC_LAST_UPDATE_TIMER, lowcore, last_update_timer);
111 OFFSET(__LC_LAST_UPDATE_CLOCK, lowcore, last_update_clock);
112 OFFSET(__LC_INT_CLOCK, lowcore, int_clock);
113 OFFSET(__LC_MCCK_CLOCK, lowcore, mcck_clock);
114 OFFSET(__LC_CLOCK_COMPARATOR, lowcore, clock_comparator);
115 OFFSET(__LC_BOOT_CLOCK, lowcore, boot_clock);
116 OFFSET(__LC_CURRENT, lowcore, current_task);
117 OFFSET(__LC_KERNEL_STACK, lowcore, kernel_stack);
118 OFFSET(__LC_ASYNC_STACK, lowcore, async_stack);
119 OFFSET(__LC_NODAT_STACK, lowcore, nodat_stack);
120 OFFSET(__LC_RESTART_STACK, lowcore, restart_stack);
121 OFFSET(__LC_MCCK_STACK, lowcore, mcck_stack);
122 OFFSET(__LC_RESTART_FN, lowcore, restart_fn);
123 OFFSET(__LC_RESTART_DATA, lowcore, restart_data);
124 OFFSET(__LC_RESTART_SOURCE, lowcore, restart_source);
125 OFFSET(__LC_KERNEL_ASCE, lowcore, kernel_asce);
126 OFFSET(__LC_USER_ASCE, lowcore, user_asce);
127 OFFSET(__LC_LPP, lowcore, lpp);
128 OFFSET(__LC_CURRENT_PID, lowcore, current_pid);
129 OFFSET(__LC_PERCPU_OFFSET, lowcore, percpu_offset);
130 OFFSET(__LC_MACHINE_FLAGS, lowcore, machine_flags);
131 OFFSET(__LC_PREEMPT_COUNT, lowcore, preempt_count);
132 OFFSET(__LC_GMAP, lowcore, gmap);
133 OFFSET(__LC_BR_R1, lowcore, br_r1_trampoline);
134 /* software defined ABI-relevant lowcore locations 0xe00 - 0xe20 */
135 OFFSET(__LC_DUMP_REIPL, lowcore, ipib);
136 /* hardware defined lowcore locations 0x1000 - 0x18ff */
137 OFFSET(__LC_MCESAD, lowcore, mcesad);
138 OFFSET(__LC_EXT_PARAMS2, lowcore, ext_params2);
139 OFFSET(__LC_FPREGS_SAVE_AREA, lowcore, floating_pt_save_area);
140 OFFSET(__LC_GPREGS_SAVE_AREA, lowcore, gpregs_save_area);
141 OFFSET(__LC_PSW_SAVE_AREA, lowcore, psw_save_area);
142 OFFSET(__LC_PREFIX_SAVE_AREA, lowcore, prefixreg_save_area);
143 OFFSET(__LC_FP_CREG_SAVE_AREA, lowcore, fpt_creg_save_area);
144 OFFSET(__LC_TOD_PROGREG_SAVE_AREA, lowcore, tod_progreg_save_area);
145 OFFSET(__LC_CPU_TIMER_SAVE_AREA, lowcore, cpu_timer_save_area);
146 OFFSET(__LC_CLOCK_COMP_SAVE_AREA, lowcore, clock_comp_save_area);
147 OFFSET(__LC_AREGS_SAVE_AREA, lowcore, access_regs_save_area);
148 OFFSET(__LC_CREGS_SAVE_AREA, lowcore, cregs_save_area);
149 OFFSET(__LC_PGM_TDB, lowcore, pgm_tdb);
150 BLANK();
151 /* extended machine check save area */
152 OFFSET(__MCESA_GS_SAVE_AREA, mcesa, guarded_storage_save_area);
153 BLANK();
154 /* gmap/sie offsets */
155 OFFSET(__GMAP_ASCE, gmap, asce);
156 OFFSET(__SIE_PROG0C, kvm_s390_sie_block, prog0c);
157 OFFSET(__SIE_PROG20, kvm_s390_sie_block, prog20);
158 /* kexec_sha_region */
159 OFFSET(__KEXEC_SHA_REGION_START, kexec_sha_region, start);
160 OFFSET(__KEXEC_SHA_REGION_LEN, kexec_sha_region, len);
161 DEFINE(__KEXEC_SHA_REGION_SIZE, sizeof(struct kexec_sha_region));
162 return 0;
163 }
164