Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
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 | ||
cbb870c8 HC |
8 | #define ASM_OFFSETS_C |
9 | ||
7a88d7a8 | 10 | #include <linux/kbuild.h> |
95d38fd0 | 11 | #include <linux/kvm_host.h> |
cbb870c8 | 12 | #include <linux/sched.h> |
b5f87f15 | 13 | #include <asm/idle.h> |
b020632e | 14 | #include <asm/vdso.h> |
480e5926 | 15 | #include <asm/pgtable.h> |
1e133ab2 | 16 | #include <asm/gmap.h> |
1da177e4 | 17 | |
987bcdac MS |
18 | /* |
19 | * Make sure that the compiler is new enough. We want a compiler that | |
20 | * is known to work with the "Q" assembler constraint. | |
21 | */ | |
f318a122 MS |
22 | #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3) |
23 | #error Your compiler is too old; please use version 4.3 or newer | |
987bcdac MS |
24 | #endif |
25 | ||
1da177e4 LT |
26 | int main(void) |
27 | { | |
6a62b485 | 28 | /* task struct offsets */ |
d5c352cd | 29 | OFFSET(__TASK_stack, task_struct, stack); |
6a62b485 MS |
30 | OFFSET(__TASK_thread, task_struct, thread); |
31 | OFFSET(__TASK_pid, task_struct, pid); | |
1da177e4 | 32 | BLANK(); |
6a62b485 MS |
33 | /* thread struct offsets */ |
34 | OFFSET(__THREAD_ksp, thread_struct, ksp); | |
ef280c85 MS |
35 | OFFSET(__THREAD_sysc_table, thread_struct, sys_call_table); |
36 | OFFSET(__THREAD_last_break, thread_struct, last_break); | |
6a62b485 MS |
37 | OFFSET(__THREAD_FPU_fpc, thread_struct, fpu.fpc); |
38 | OFFSET(__THREAD_FPU_regs, thread_struct, fpu.regs); | |
39 | OFFSET(__THREAD_per_cause, thread_struct, per_event.cause); | |
40 | OFFSET(__THREAD_per_address, thread_struct, per_event.address); | |
41 | OFFSET(__THREAD_per_paid, thread_struct, per_event.paid); | |
42 | OFFSET(__THREAD_trap_tdb, thread_struct, trap_tdb); | |
1da177e4 | 43 | BLANK(); |
6a62b485 | 44 | /* thread info offsets */ |
d5c352cd | 45 | OFFSET(__TI_flags, task_struct, thread_info.flags); |
1da177e4 | 46 | BLANK(); |
6a62b485 MS |
47 | /* pt_regs offsets */ |
48 | OFFSET(__PT_ARGS, pt_regs, args); | |
49 | OFFSET(__PT_PSW, pt_regs, psw); | |
50 | OFFSET(__PT_GPRS, pt_regs, gprs); | |
51 | OFFSET(__PT_ORIG_GPR2, pt_regs, orig_gpr2); | |
52 | OFFSET(__PT_INT_CODE, pt_regs, int_code); | |
53 | OFFSET(__PT_INT_PARM, pt_regs, int_parm); | |
54 | OFFSET(__PT_INT_PARM_LONG, pt_regs, int_parm_long); | |
55 | OFFSET(__PT_FLAGS, pt_regs, flags); | |
4ca4d7bf | 56 | DEFINE(__PT_SIZE, sizeof(struct pt_regs)); |
1da177e4 | 57 | BLANK(); |
6a62b485 MS |
58 | /* stack_frame offsets */ |
59 | OFFSET(__SF_BACKCHAIN, stack_frame, back_chain); | |
60 | OFFSET(__SF_GPRS, stack_frame, gprs); | |
61 | OFFSET(__SF_EMPTY, stack_frame, empty1); | |
c929500d QH |
62 | OFFSET(__SF_SIE_CONTROL, stack_frame, empty1[0]); |
63 | OFFSET(__SF_SIE_SAVEAREA, stack_frame, empty1[1]); | |
64 | OFFSET(__SF_SIE_REASON, stack_frame, empty1[2]); | |
b020632e MS |
65 | BLANK(); |
66 | /* timeval/timezone offsets for use by vdso */ | |
6a62b485 MS |
67 | OFFSET(__VDSO_UPD_COUNT, vdso_data, tb_update_count); |
68 | OFFSET(__VDSO_XTIME_STAMP, vdso_data, xtime_tod_stamp); | |
69 | OFFSET(__VDSO_XTIME_SEC, vdso_data, xtime_clock_sec); | |
70 | OFFSET(__VDSO_XTIME_NSEC, vdso_data, xtime_clock_nsec); | |
71 | OFFSET(__VDSO_XTIME_CRS_SEC, vdso_data, xtime_coarse_sec); | |
72 | OFFSET(__VDSO_XTIME_CRS_NSEC, vdso_data, xtime_coarse_nsec); | |
73 | OFFSET(__VDSO_WTOM_SEC, vdso_data, wtom_clock_sec); | |
74 | OFFSET(__VDSO_WTOM_NSEC, vdso_data, wtom_clock_nsec); | |
75 | OFFSET(__VDSO_WTOM_CRS_SEC, vdso_data, wtom_coarse_sec); | |
76 | OFFSET(__VDSO_WTOM_CRS_NSEC, vdso_data, wtom_coarse_nsec); | |
77 | OFFSET(__VDSO_TIMEZONE, vdso_data, tz_minuteswest); | |
78 | OFFSET(__VDSO_ECTG_OK, vdso_data, ectg_available); | |
79 | OFFSET(__VDSO_TK_MULT, vdso_data, tk_mult); | |
80 | OFFSET(__VDSO_TK_SHIFT, vdso_data, tk_shift); | |
75c7b6f3 MS |
81 | OFFSET(__VDSO_TS_DIR, vdso_data, ts_dir); |
82 | OFFSET(__VDSO_TS_END, vdso_data, ts_end); | |
6a62b485 MS |
83 | OFFSET(__VDSO_ECTG_BASE, vdso_per_cpu_data, ectg_timer_base); |
84 | OFFSET(__VDSO_ECTG_USER, vdso_per_cpu_data, ectg_user_time); | |
249c543b MS |
85 | OFFSET(__VDSO_CPU_NR, vdso_per_cpu_data, cpu_nr); |
86 | OFFSET(__VDSO_NODE_ID, vdso_per_cpu_data, node_id); | |
6a62b485 | 87 | BLANK(); |
b020632e | 88 | /* constants used by the vdso */ |
b3423982 HC |
89 | DEFINE(__CLOCK_REALTIME, CLOCK_REALTIME); |
90 | DEFINE(__CLOCK_MONOTONIC, CLOCK_MONOTONIC); | |
b7eacb59 MS |
91 | DEFINE(__CLOCK_REALTIME_COARSE, CLOCK_REALTIME_COARSE); |
92 | DEFINE(__CLOCK_MONOTONIC_COARSE, CLOCK_MONOTONIC_COARSE); | |
b5e64b3d | 93 | DEFINE(__CLOCK_THREAD_CPUTIME_ID, CLOCK_THREAD_CPUTIME_ID); |
b3423982 | 94 | DEFINE(__CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC); |
b7eacb59 | 95 | DEFINE(__CLOCK_COARSE_RES, LOW_RES_NSEC); |
cbb870c8 | 96 | BLANK(); |
4c1051e3 | 97 | /* idle data offsets */ |
6a62b485 MS |
98 | OFFSET(__CLOCK_IDLE_ENTER, s390_idle_data, clock_idle_enter); |
99 | OFFSET(__CLOCK_IDLE_EXIT, s390_idle_data, clock_idle_exit); | |
100 | OFFSET(__TIMER_IDLE_ENTER, s390_idle_data, timer_idle_enter); | |
101 | OFFSET(__TIMER_IDLE_EXIT, s390_idle_data, timer_idle_exit); | |
8b646bd7 | 102 | BLANK(); |
6a62b485 | 103 | /* hardware defined lowcore locations 0x000 - 0x1ff */ |
c667aeac HC |
104 | OFFSET(__LC_EXT_PARAMS, lowcore, ext_params); |
105 | OFFSET(__LC_EXT_CPU_ADDR, lowcore, ext_cpu_addr); | |
106 | OFFSET(__LC_EXT_INT_CODE, lowcore, ext_int_code); | |
107 | OFFSET(__LC_SVC_ILC, lowcore, svc_ilc); | |
108 | OFFSET(__LC_SVC_INT_CODE, lowcore, svc_code); | |
109 | OFFSET(__LC_PGM_ILC, lowcore, pgm_ilc); | |
110 | OFFSET(__LC_PGM_INT_CODE, lowcore, pgm_code); | |
111 | OFFSET(__LC_DATA_EXC_CODE, lowcore, data_exc_code); | |
112 | OFFSET(__LC_MON_CLASS_NR, lowcore, mon_class_num); | |
113 | OFFSET(__LC_PER_CODE, lowcore, per_code); | |
114 | OFFSET(__LC_PER_ATMID, lowcore, per_atmid); | |
115 | OFFSET(__LC_PER_ADDRESS, lowcore, per_address); | |
116 | OFFSET(__LC_EXC_ACCESS_ID, lowcore, exc_access_id); | |
117 | OFFSET(__LC_PER_ACCESS_ID, lowcore, per_access_id); | |
118 | OFFSET(__LC_OP_ACCESS_ID, lowcore, op_access_id); | |
119 | OFFSET(__LC_AR_MODE_ID, lowcore, ar_mode_id); | |
120 | OFFSET(__LC_TRANS_EXC_CODE, lowcore, trans_exc_code); | |
121 | OFFSET(__LC_MON_CODE, lowcore, monitor_code); | |
122 | OFFSET(__LC_SUBCHANNEL_ID, lowcore, subchannel_id); | |
123 | OFFSET(__LC_SUBCHANNEL_NR, lowcore, subchannel_nr); | |
124 | OFFSET(__LC_IO_INT_PARM, lowcore, io_int_parm); | |
125 | OFFSET(__LC_IO_INT_WORD, lowcore, io_int_word); | |
126 | OFFSET(__LC_STFL_FAC_LIST, lowcore, stfl_fac_list); | |
127 | OFFSET(__LC_STFLE_FAC_LIST, lowcore, stfle_fac_list); | |
128 | OFFSET(__LC_MCCK_CODE, lowcore, mcck_interruption_code); | |
8953fb08 | 129 | OFFSET(__LC_EXT_DAMAGE_CODE, lowcore, external_damage_code); |
c667aeac HC |
130 | OFFSET(__LC_MCCK_FAIL_STOR_ADDR, lowcore, failing_storage_address); |
131 | OFFSET(__LC_LAST_BREAK, lowcore, breaking_event_addr); | |
132 | OFFSET(__LC_RST_OLD_PSW, lowcore, restart_old_psw); | |
133 | OFFSET(__LC_EXT_OLD_PSW, lowcore, external_old_psw); | |
134 | OFFSET(__LC_SVC_OLD_PSW, lowcore, svc_old_psw); | |
135 | OFFSET(__LC_PGM_OLD_PSW, lowcore, program_old_psw); | |
136 | OFFSET(__LC_MCK_OLD_PSW, lowcore, mcck_old_psw); | |
137 | OFFSET(__LC_IO_OLD_PSW, lowcore, io_old_psw); | |
138 | OFFSET(__LC_RST_NEW_PSW, lowcore, restart_psw); | |
139 | OFFSET(__LC_EXT_NEW_PSW, lowcore, external_new_psw); | |
140 | OFFSET(__LC_SVC_NEW_PSW, lowcore, svc_new_psw); | |
141 | OFFSET(__LC_PGM_NEW_PSW, lowcore, program_new_psw); | |
142 | OFFSET(__LC_MCK_NEW_PSW, lowcore, mcck_new_psw); | |
143 | OFFSET(__LC_IO_NEW_PSW, lowcore, io_new_psw); | |
6a62b485 | 144 | /* software defined lowcore locations 0x200 - 0xdff*/ |
c667aeac HC |
145 | OFFSET(__LC_SAVE_AREA_SYNC, lowcore, save_area_sync); |
146 | OFFSET(__LC_SAVE_AREA_ASYNC, lowcore, save_area_async); | |
147 | OFFSET(__LC_SAVE_AREA_RESTART, lowcore, save_area_restart); | |
148 | OFFSET(__LC_CPU_FLAGS, lowcore, cpu_flags); | |
149 | OFFSET(__LC_RETURN_PSW, lowcore, return_psw); | |
150 | OFFSET(__LC_RETURN_MCCK_PSW, lowcore, return_mcck_psw); | |
151 | OFFSET(__LC_SYNC_ENTER_TIMER, lowcore, sync_enter_timer); | |
152 | OFFSET(__LC_ASYNC_ENTER_TIMER, lowcore, async_enter_timer); | |
153 | OFFSET(__LC_MCCK_ENTER_TIMER, lowcore, mcck_enter_timer); | |
154 | OFFSET(__LC_EXIT_TIMER, lowcore, exit_timer); | |
155 | OFFSET(__LC_USER_TIMER, lowcore, user_timer); | |
156 | OFFSET(__LC_SYSTEM_TIMER, lowcore, system_timer); | |
157 | OFFSET(__LC_STEAL_TIMER, lowcore, steal_timer); | |
158 | OFFSET(__LC_LAST_UPDATE_TIMER, lowcore, last_update_timer); | |
159 | OFFSET(__LC_LAST_UPDATE_CLOCK, lowcore, last_update_clock); | |
160 | OFFSET(__LC_INT_CLOCK, lowcore, int_clock); | |
161 | OFFSET(__LC_MCCK_CLOCK, lowcore, mcck_clock); | |
6e2ef5e4 | 162 | OFFSET(__LC_BOOT_CLOCK, lowcore, boot_clock); |
c667aeac | 163 | OFFSET(__LC_CURRENT, lowcore, current_task); |
c667aeac HC |
164 | OFFSET(__LC_KERNEL_STACK, lowcore, kernel_stack); |
165 | OFFSET(__LC_ASYNC_STACK, lowcore, async_stack); | |
166 | OFFSET(__LC_PANIC_STACK, lowcore, panic_stack); | |
167 | OFFSET(__LC_RESTART_STACK, lowcore, restart_stack); | |
168 | OFFSET(__LC_RESTART_FN, lowcore, restart_fn); | |
169 | OFFSET(__LC_RESTART_DATA, lowcore, restart_data); | |
170 | OFFSET(__LC_RESTART_SOURCE, lowcore, restart_source); | |
171 | OFFSET(__LC_USER_ASCE, lowcore, user_asce); | |
172 | OFFSET(__LC_LPP, lowcore, lpp); | |
173 | OFFSET(__LC_CURRENT_PID, lowcore, current_pid); | |
174 | OFFSET(__LC_PERCPU_OFFSET, lowcore, percpu_offset); | |
175 | OFFSET(__LC_VDSO_PER_CPU, lowcore, vdso_per_cpu_data); | |
176 | OFFSET(__LC_MACHINE_FLAGS, lowcore, machine_flags); | |
c360192b | 177 | OFFSET(__LC_PREEMPT_COUNT, lowcore, preempt_count); |
c667aeac HC |
178 | OFFSET(__LC_GMAP, lowcore, gmap); |
179 | OFFSET(__LC_PASTE, lowcore, paste); | |
6a62b485 | 180 | /* software defined ABI-relevant lowcore locations 0xe00 - 0xe20 */ |
c667aeac | 181 | OFFSET(__LC_DUMP_REIPL, lowcore, ipib); |
6a62b485 | 182 | /* hardware defined lowcore locations 0x1000 - 0x18ff */ |
916cda1a | 183 | OFFSET(__LC_MCESAD, lowcore, mcesad); |
c667aeac HC |
184 | OFFSET(__LC_EXT_PARAMS2, lowcore, ext_params2); |
185 | OFFSET(__LC_FPREGS_SAVE_AREA, lowcore, floating_pt_save_area); | |
186 | OFFSET(__LC_GPREGS_SAVE_AREA, lowcore, gpregs_save_area); | |
187 | OFFSET(__LC_PSW_SAVE_AREA, lowcore, psw_save_area); | |
188 | OFFSET(__LC_PREFIX_SAVE_AREA, lowcore, prefixreg_save_area); | |
189 | OFFSET(__LC_FP_CREG_SAVE_AREA, lowcore, fpt_creg_save_area); | |
190 | OFFSET(__LC_TOD_PROGREG_SAVE_AREA, lowcore, tod_progreg_save_area); | |
191 | OFFSET(__LC_CPU_TIMER_SAVE_AREA, lowcore, cpu_timer_save_area); | |
192 | OFFSET(__LC_CLOCK_COMP_SAVE_AREA, lowcore, clock_comp_save_area); | |
193 | OFFSET(__LC_AREGS_SAVE_AREA, lowcore, access_regs_save_area); | |
194 | OFFSET(__LC_CREGS_SAVE_AREA, lowcore, cregs_save_area); | |
195 | OFFSET(__LC_PGM_TDB, lowcore, pgm_tdb); | |
8b646bd7 | 196 | BLANK(); |
6a62b485 MS |
197 | /* gmap/sie offsets */ |
198 | OFFSET(__GMAP_ASCE, gmap, asce); | |
199 | OFFSET(__SIE_PROG0C, kvm_s390_sie_block, prog0c); | |
200 | OFFSET(__SIE_PROG20, kvm_s390_sie_block, prog20); | |
1da177e4 LT |
201 | return 0; |
202 | } |