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 <linux/ftrace.h> |
16 | #include <asm/idle.h> |
17 | #include <asm/gmap.h> |
18 | #include <asm/stacktrace.h> |
19 | |
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_R0, pt_regs, gprs[0]); |
37 | OFFSET(__PT_R1, pt_regs, gprs[1]); |
38 | OFFSET(__PT_R2, pt_regs, gprs[2]); |
39 | OFFSET(__PT_R3, pt_regs, gprs[3]); |
40 | OFFSET(__PT_R4, pt_regs, gprs[4]); |
41 | OFFSET(__PT_R5, pt_regs, gprs[5]); |
42 | OFFSET(__PT_R6, pt_regs, gprs[6]); |
43 | OFFSET(__PT_R7, pt_regs, gprs[7]); |
44 | OFFSET(__PT_R8, pt_regs, gprs[8]); |
45 | OFFSET(__PT_R9, pt_regs, gprs[9]); |
46 | OFFSET(__PT_R10, pt_regs, gprs[10]); |
47 | OFFSET(__PT_R11, pt_regs, gprs[11]); |
48 | OFFSET(__PT_R12, pt_regs, gprs[12]); |
49 | OFFSET(__PT_R13, pt_regs, gprs[13]); |
50 | OFFSET(__PT_R14, pt_regs, gprs[14]); |
51 | OFFSET(__PT_R15, pt_regs, gprs[15]); |
52 | OFFSET(__PT_ORIG_GPR2, pt_regs, orig_gpr2); |
53 | OFFSET(__PT_FLAGS, pt_regs, flags); |
54 | OFFSET(__PT_CR1, pt_regs, cr1); |
55 | OFFSET(__PT_LAST_BREAK, pt_regs, last_break); |
56 | DEFINE(__PT_SIZE, sizeof(struct pt_regs)); |
57 | BLANK(); |
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, empty[0]); |
62 | OFFSET(__SF_SIE_CONTROL, stack_frame, sie_control_block); |
63 | OFFSET(__SF_SIE_SAVEAREA, stack_frame, sie_savearea); |
64 | OFFSET(__SF_SIE_REASON, stack_frame, sie_reason); |
65 | OFFSET(__SF_SIE_FLAGS, stack_frame, sie_flags); |
66 | OFFSET(__SF_SIE_CONTROL_PHYS, stack_frame, sie_control_block_phys); |
67 | DEFINE(STACK_FRAME_OVERHEAD, sizeof(struct stack_frame)); |
68 | BLANK(); |
69 | /* idle data offsets */ |
70 | OFFSET(__CLOCK_IDLE_ENTER, s390_idle_data, clock_idle_enter); |
71 | OFFSET(__TIMER_IDLE_ENTER, s390_idle_data, timer_idle_enter); |
72 | OFFSET(__MT_CYCLES_ENTER, s390_idle_data, mt_cycles_enter); |
73 | BLANK(); |
74 | /* hardware defined lowcore locations 0x000 - 0x1ff */ |
75 | OFFSET(__LC_EXT_PARAMS, lowcore, ext_params); |
76 | OFFSET(__LC_EXT_CPU_ADDR, lowcore, ext_cpu_addr); |
77 | OFFSET(__LC_EXT_INT_CODE, lowcore, ext_int_code); |
78 | OFFSET(__LC_PGM_ILC, lowcore, pgm_ilc); |
79 | OFFSET(__LC_PGM_INT_CODE, lowcore, pgm_code); |
80 | OFFSET(__LC_DATA_EXC_CODE, lowcore, data_exc_code); |
81 | OFFSET(__LC_MON_CLASS_NR, lowcore, mon_class_num); |
82 | OFFSET(__LC_PER_CODE, lowcore, per_code); |
83 | OFFSET(__LC_PER_ATMID, lowcore, per_atmid); |
84 | OFFSET(__LC_PER_ADDRESS, lowcore, per_address); |
85 | OFFSET(__LC_EXC_ACCESS_ID, lowcore, exc_access_id); |
86 | OFFSET(__LC_PER_ACCESS_ID, lowcore, per_access_id); |
87 | OFFSET(__LC_OP_ACCESS_ID, lowcore, op_access_id); |
88 | OFFSET(__LC_AR_MODE_ID, lowcore, ar_mode_id); |
89 | OFFSET(__LC_TRANS_EXC_CODE, lowcore, trans_exc_code); |
90 | OFFSET(__LC_MON_CODE, lowcore, monitor_code); |
91 | OFFSET(__LC_SUBCHANNEL_ID, lowcore, subchannel_id); |
92 | OFFSET(__LC_SUBCHANNEL_NR, lowcore, subchannel_nr); |
93 | OFFSET(__LC_IO_INT_PARM, lowcore, io_int_parm); |
94 | OFFSET(__LC_IO_INT_WORD, lowcore, io_int_word); |
95 | OFFSET(__LC_MCCK_CODE, lowcore, mcck_interruption_code); |
96 | OFFSET(__LC_EXT_DAMAGE_CODE, lowcore, external_damage_code); |
97 | OFFSET(__LC_MCCK_FAIL_STOR_ADDR, lowcore, failing_storage_address); |
98 | OFFSET(__LC_PGM_LAST_BREAK, lowcore, pgm_last_break); |
99 | OFFSET(__LC_RETURN_LPSWE, lowcore, return_lpswe); |
100 | OFFSET(__LC_RETURN_MCCK_LPSWE, lowcore, return_mcck_lpswe); |
101 | OFFSET(__LC_RST_OLD_PSW, lowcore, restart_old_psw); |
102 | OFFSET(__LC_EXT_OLD_PSW, lowcore, external_old_psw); |
103 | OFFSET(__LC_SVC_OLD_PSW, lowcore, svc_old_psw); |
104 | OFFSET(__LC_PGM_OLD_PSW, lowcore, program_old_psw); |
105 | OFFSET(__LC_MCK_OLD_PSW, lowcore, mcck_old_psw); |
106 | OFFSET(__LC_IO_OLD_PSW, lowcore, io_old_psw); |
107 | OFFSET(__LC_RST_NEW_PSW, lowcore, restart_psw); |
108 | OFFSET(__LC_EXT_NEW_PSW, lowcore, external_new_psw); |
109 | OFFSET(__LC_SVC_NEW_PSW, lowcore, svc_new_psw); |
110 | OFFSET(__LC_PGM_NEW_PSW, lowcore, program_new_psw); |
111 | OFFSET(__LC_MCK_NEW_PSW, lowcore, mcck_new_psw); |
112 | OFFSET(__LC_IO_NEW_PSW, lowcore, io_new_psw); |
113 | /* software defined lowcore locations 0x200 - 0xdff*/ |
114 | OFFSET(__LC_SAVE_AREA_SYNC, lowcore, save_area_sync); |
115 | OFFSET(__LC_SAVE_AREA_ASYNC, lowcore, save_area_async); |
116 | OFFSET(__LC_SAVE_AREA_RESTART, lowcore, save_area_restart); |
117 | OFFSET(__LC_CPU_FLAGS, lowcore, cpu_flags); |
118 | OFFSET(__LC_RETURN_PSW, lowcore, return_psw); |
119 | OFFSET(__LC_RETURN_MCCK_PSW, lowcore, return_mcck_psw); |
120 | OFFSET(__LC_SYS_ENTER_TIMER, lowcore, sys_enter_timer); |
121 | OFFSET(__LC_MCCK_ENTER_TIMER, lowcore, mcck_enter_timer); |
122 | OFFSET(__LC_EXIT_TIMER, lowcore, exit_timer); |
123 | OFFSET(__LC_LAST_UPDATE_TIMER, lowcore, last_update_timer); |
124 | OFFSET(__LC_LAST_UPDATE_CLOCK, lowcore, last_update_clock); |
125 | OFFSET(__LC_INT_CLOCK, lowcore, int_clock); |
126 | OFFSET(__LC_BOOT_CLOCK, lowcore, boot_clock); |
127 | OFFSET(__LC_CURRENT, lowcore, current_task); |
128 | OFFSET(__LC_KERNEL_STACK, lowcore, kernel_stack); |
129 | OFFSET(__LC_ASYNC_STACK, lowcore, async_stack); |
130 | OFFSET(__LC_NODAT_STACK, lowcore, nodat_stack); |
131 | OFFSET(__LC_RESTART_STACK, lowcore, restart_stack); |
132 | OFFSET(__LC_MCCK_STACK, lowcore, mcck_stack); |
133 | OFFSET(__LC_RESTART_FN, lowcore, restart_fn); |
134 | OFFSET(__LC_RESTART_DATA, lowcore, restart_data); |
135 | OFFSET(__LC_RESTART_SOURCE, lowcore, restart_source); |
136 | OFFSET(__LC_RESTART_FLAGS, lowcore, restart_flags); |
137 | OFFSET(__LC_KERNEL_ASCE, lowcore, kernel_asce); |
138 | OFFSET(__LC_USER_ASCE, lowcore, user_asce); |
139 | OFFSET(__LC_LPP, lowcore, lpp); |
140 | OFFSET(__LC_CURRENT_PID, lowcore, current_pid); |
141 | OFFSET(__LC_GMAP, lowcore, gmap); |
142 | OFFSET(__LC_LAST_BREAK, lowcore, last_break); |
143 | /* software defined ABI-relevant lowcore locations 0xe00 - 0xe20 */ |
144 | OFFSET(__LC_DUMP_REIPL, lowcore, ipib); |
145 | OFFSET(__LC_VMCORE_INFO, lowcore, vmcore_info); |
146 | OFFSET(__LC_OS_INFO, lowcore, os_info); |
147 | /* hardware defined lowcore locations 0x1000 - 0x18ff */ |
148 | OFFSET(__LC_MCESAD, lowcore, mcesad); |
149 | OFFSET(__LC_EXT_PARAMS2, lowcore, ext_params2); |
150 | OFFSET(__LC_FPREGS_SAVE_AREA, lowcore, floating_pt_save_area); |
151 | OFFSET(__LC_GPREGS_SAVE_AREA, lowcore, gpregs_save_area); |
152 | OFFSET(__LC_PSW_SAVE_AREA, lowcore, psw_save_area); |
153 | OFFSET(__LC_PREFIX_SAVE_AREA, lowcore, prefixreg_save_area); |
154 | OFFSET(__LC_FP_CREG_SAVE_AREA, lowcore, fpt_creg_save_area); |
155 | OFFSET(__LC_TOD_PROGREG_SAVE_AREA, lowcore, tod_progreg_save_area); |
156 | OFFSET(__LC_CPU_TIMER_SAVE_AREA, lowcore, cpu_timer_save_area); |
157 | OFFSET(__LC_CLOCK_COMP_SAVE_AREA, lowcore, clock_comp_save_area); |
158 | OFFSET(__LC_LAST_BREAK_SAVE_AREA, lowcore, last_break_save_area); |
159 | OFFSET(__LC_AREGS_SAVE_AREA, lowcore, access_regs_save_area); |
160 | OFFSET(__LC_CREGS_SAVE_AREA, lowcore, cregs_save_area); |
161 | OFFSET(__LC_PGM_TDB, lowcore, pgm_tdb); |
162 | BLANK(); |
163 | /* gmap/sie offsets */ |
164 | OFFSET(__GMAP_ASCE, gmap, asce); |
165 | OFFSET(__SIE_PROG0C, kvm_s390_sie_block, prog0c); |
166 | OFFSET(__SIE_PROG20, kvm_s390_sie_block, prog20); |
167 | /* kexec_sha_region */ |
168 | OFFSET(__KEXEC_SHA_REGION_START, kexec_sha_region, start); |
169 | OFFSET(__KEXEC_SHA_REGION_LEN, kexec_sha_region, len); |
170 | DEFINE(__KEXEC_SHA_REGION_SIZE, sizeof(struct kexec_sha_region)); |
171 | /* sizeof kernel parameter area */ |
172 | DEFINE(__PARMAREA_SIZE, sizeof(struct parmarea)); |
173 | /* kernel parameter area offsets */ |
174 | DEFINE(IPL_DEVICE, PARMAREA + offsetof(struct parmarea, ipl_device)); |
175 | DEFINE(INITRD_START, PARMAREA + offsetof(struct parmarea, initrd_start)); |
176 | DEFINE(INITRD_SIZE, PARMAREA + offsetof(struct parmarea, initrd_size)); |
177 | DEFINE(OLDMEM_BASE, PARMAREA + offsetof(struct parmarea, oldmem_base)); |
178 | DEFINE(OLDMEM_SIZE, PARMAREA + offsetof(struct parmarea, oldmem_size)); |
179 | DEFINE(COMMAND_LINE, PARMAREA + offsetof(struct parmarea, command_line)); |
180 | DEFINE(MAX_COMMAND_LINE_SIZE, PARMAREA + offsetof(struct parmarea, max_command_line_size)); |
181 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER |
182 | /* function graph return value tracing */ |
183 | OFFSET(__FGRAPH_RET_GPR2, fgraph_ret_regs, gpr2); |
184 | OFFSET(__FGRAPH_RET_FP, fgraph_ret_regs, fp); |
185 | DEFINE(__FGRAPH_RET_SIZE, sizeof(struct fgraph_ret_regs)); |
186 | #endif |
187 | OFFSET(__FTRACE_REGS_PT_REGS, ftrace_regs, regs); |
188 | DEFINE(__FTRACE_REGS_SIZE, sizeof(struct ftrace_regs)); |
189 | return 0; |
190 | } |
191 | |