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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 
 kernel/arch/powerpc/kernel/asm-offsets.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * This program is used to generate definitions needed by
34  * assembly language modules.
....@@ -6,12 +7,9 @@
67  * generate asm statements containing #defines,
78  * compile this file to assembler, and then extract the
89  * #defines from the assembly-language output.
9
- *
10
- * This program is free software; you can redistribute it and/or
11
- * modify it under the terms of the GNU General Public License
12
- * as published by the Free Software Foundation; either version
13
- * 2 of the License, or (at your option) any later version.
1410  */
11
+
12
+#define GENERATING_ASM_OFFSETS	/* asm/smp.h */
1513 
1614 #include <linux/compat.h>
1715 #include <linux/signal.h>
....@@ -32,7 +30,6 @@
3230 
3331 #include <asm/io.h>
3432 #include <asm/page.h>
35
-#include <asm/pgtable.h>
3633 #include <asm/processor.h>
3734 #include <asm/cputable.h>
3835 #include <asm/thread_info.h>
....@@ -72,6 +69,10 @@
7269 #include <asm/fixmap.h>
7370 #endif
7471 
72
+#ifdef CONFIG_XMON
73
+#include "../xmon/xmon_bpts.h"
74
+#endif
75
+
7576 #define STACK_PT_REGS_OFFSET(sym, val)	\
7677 	DEFINE(sym, STACK_FRAME_OVERHEAD + offsetof(struct pt_regs, val))
7778 
....@@ -79,16 +80,26 @@
7980 {
8081 	OFFSET(THREAD, task_struct, thread);
8182 	OFFSET(MM, task_struct, mm);
83
+#ifdef CONFIG_STACKPROTECTOR
84
+	OFFSET(TASK_CANARY, task_struct, stack_canary);
85
+#ifdef CONFIG_PPC64
86
+	OFFSET(PACA_CANARY, paca_struct, canary);
87
+#endif
88
+#endif
8289 	OFFSET(MMCONTEXTID, mm_struct, context.id);
8390 #ifdef CONFIG_PPC64
8491 	DEFINE(SIGSEGV, SIGSEGV);
8592 	DEFINE(NMI_MASK, NMI_MASK);
86
-	OFFSET(TASKTHREADPPR, task_struct, thread.ppr);
8793 #else
88
-	OFFSET(THREAD_INFO, task_struct, stack);
89
-	DEFINE(THREAD_INFO_GAP, _ALIGN_UP(sizeof(struct thread_info), 16));
9094 	OFFSET(KSP_LIMIT, thread_struct, ksp_limit);
95
+#ifdef CONFIG_PPC_RTAS
96
+	OFFSET(RTAS_SP, thread_struct, rtas_sp);
97
+#endif
9198 #endif /* CONFIG_PPC64 */
99
+	OFFSET(TASK_STACK, task_struct, stack);
100
+#ifdef CONFIG_SMP
101
+	OFFSET(TASK_CPU, task_struct, cpu);
102
+#endif
92103 
93104 #ifdef CONFIG_LIVEPATCH
94105 	OFFSET(TI_livepatch_sp, thread_info, livepatch_sp);
....@@ -119,6 +130,24 @@
119130 	OFFSET(KSP_VSID, thread_struct, ksp_vsid);
120131 #else /* CONFIG_PPC64 */
121132 	OFFSET(PGDIR, thread_struct, pgdir);
133
+#ifdef CONFIG_VMAP_STACK
134
+	OFFSET(SRR0, thread_struct, srr0);
135
+	OFFSET(SRR1, thread_struct, srr1);
136
+	OFFSET(DAR, thread_struct, dar);
137
+	OFFSET(DSISR, thread_struct, dsisr);
138
+#ifdef CONFIG_PPC_BOOK3S_32
139
+	OFFSET(THR0, thread_struct, r0);
140
+	OFFSET(THR3, thread_struct, r3);
141
+	OFFSET(THR4, thread_struct, r4);
142
+	OFFSET(THR5, thread_struct, r5);
143
+	OFFSET(THR6, thread_struct, r6);
144
+	OFFSET(THR8, thread_struct, r8);
145
+	OFFSET(THR9, thread_struct, r9);
146
+	OFFSET(THR11, thread_struct, r11);
147
+	OFFSET(THLR, thread_struct, lr);
148
+	OFFSET(THCTR, thread_struct, ctr);
149
+#endif
150
+#endif
122151 #ifdef CONFIG_SPE
123152 	OFFSET(THREAD_EVR0, thread_struct, evr[0]);
124153 	OFFSET(THREAD_ACC, thread_struct, acc);
....@@ -135,6 +164,9 @@
135164 #if defined(CONFIG_KVM) && defined(CONFIG_BOOKE)
136165 	OFFSET(THREAD_KVM_VCPU, thread_struct, kvm_vcpu);
137166 #endif
167
+#if defined(CONFIG_PPC_BOOK3S_32) && defined(CONFIG_PPC_KUAP)
168
+	OFFSET(KUAP, thread_struct, kuap);
169
+#endif
138170 
139171 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
140172 	OFFSET(PACATMSCRATCH, paca_struct, tm_scratch);
....@@ -144,6 +176,7 @@
144176 	OFFSET(THREAD_TM_TAR, thread_struct, tm_tar);
145177 	OFFSET(THREAD_TM_PPR, thread_struct, tm_ppr);
146178 	OFFSET(THREAD_TM_DSCR, thread_struct, tm_dscr);
179
+	OFFSET(THREAD_TM_AMR, thread_struct, tm_amr);
147180 	OFFSET(PT_CKPT_REGS, thread_struct, ckpt_regs);
148181 	OFFSET(THREAD_CKVRSTATE, thread_struct, ckvr_state.vr);
149182 	OFFSET(THREAD_CKVRSAVE, thread_struct, ckvrsave);
....@@ -157,8 +190,6 @@
157190 	OFFSET(TI_LOCAL_FLAGS, thread_info, local_flags);
158191 	OFFSET(TI_PREEMPT, thread_info, preempt_count);
159192 	OFFSET(TI_PREEMPT_LAZY, thread_info, preempt_lazy_count);
160
-	OFFSET(TI_TASK, thread_info, task);
161
-	OFFSET(TI_CPU, thread_info, cpu);
162193 
163194 #ifdef CONFIG_PPC64
164195 	OFFSET(DCACHEL1BLOCKSIZE, ppc64_caches, l1d.block_size);
....@@ -173,8 +204,9 @@
173204 	OFFSET(PACAPROCSTART, paca_struct, cpu_start);
174205 	OFFSET(PACAKSAVE, paca_struct, kstack);
175206 	OFFSET(PACACURRENT, paca_struct, __current);
207
+	DEFINE(PACA_THREAD_INFO, offsetof(struct paca_struct, __current) +
208
+				 offsetof(struct task_struct, thread_info));
176209 	OFFSET(PACASAVEDMSR, paca_struct, saved_msr);
177
-	OFFSET(PACASTABRR, paca_struct, stab_rr);
178210 	OFFSET(PACAR1, paca_struct, saved_r1);
179211 	OFFSET(PACATOC, paca_struct, kernel_toc);
180212 	OFFSET(PACAKBASE, paca_struct, kernelbase);
....@@ -213,6 +245,7 @@
213245 #ifdef CONFIG_PPC_BOOK3S_64
214246 	OFFSET(PACASLBCACHE, paca_struct, slb_cache);
215247 	OFFSET(PACASLBCACHEPTR, paca_struct, slb_cache_ptr);
248
+	OFFSET(PACASTABRR, paca_struct, stab_rr);
216249 	OFFSET(PACAVMALLOCSLLP, paca_struct, vmalloc_sllp);
217250 #ifdef CONFIG_PPC_MM_SLICES
218251 	OFFSET(MMUPSIZESLLP, mmu_psize_def, sllp);
....@@ -256,8 +289,9 @@
256289 	OFFSET(ACCOUNT_STARTTIME_USER, paca_struct, accounting.starttime_user);
257290 	OFFSET(ACCOUNT_USER_TIME, paca_struct, accounting.utime);
258291 	OFFSET(ACCOUNT_SYSTEM_TIME, paca_struct, accounting.stime);
292
+#ifdef CONFIG_PPC_BOOK3E
259293 	OFFSET(PACA_TRAP_SAVE, paca_struct, trap_save);
260
-	OFFSET(PACA_NAPSTATELOST, paca_struct, nap_state_lost);
294
+#endif
261295 	OFFSET(PACA_SPRG_VDSO, paca_struct, sprg_vdso);
262296 #else /* CONFIG_PPC64 */
263297 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
....@@ -274,12 +308,7 @@
274308 
275309 	/* Interrupt register frame */
276310 	DEFINE(INT_FRAME_SIZE, STACK_INT_FRAME_SIZE);
277
-	DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
278
-#ifdef CONFIG_PPC64
279
-	/* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
280
-	DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
281
-	DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
282
-#endif /* CONFIG_PPC64 */
311
+	DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_WITH_PT_REGS);
283312 	STACK_PT_REGS_OFFSET(GPR0, gpr[0]);
284313 	STACK_PT_REGS_OFFSET(GPR1, gpr[1]);
285314 	STACK_PT_REGS_OFFSET(GPR2, gpr[2]);
....@@ -323,11 +352,12 @@
323352 	STACK_PT_REGS_OFFSET(_ESR, dsisr);
324353 #else /* CONFIG_PPC64 */
325354 	STACK_PT_REGS_OFFSET(SOFTE, softe);
326
-
327
-	/* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
328
-	DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
329
-	DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
355
+	STACK_PT_REGS_OFFSET(_PPR, ppr);
330356 #endif /* CONFIG_PPC64 */
357
+
358
+#ifdef CONFIG_PPC_KUAP
359
+	STACK_PT_REGS_OFFSET(STACK_REGS_KUAP, kuap);
360
+#endif
331361 
332362 #if defined(CONFIG_PPC32)
333363 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
....@@ -378,29 +408,25 @@
378408 	OFFSET(CFG_SYSCALL_MAP32, vdso_data, syscall_map_32);
379409 	OFFSET(WTOM_CLOCK_SEC, vdso_data, wtom_clock_sec);
380410 	OFFSET(WTOM_CLOCK_NSEC, vdso_data, wtom_clock_nsec);
381
-	OFFSET(STAMP_XTIME, vdso_data, stamp_xtime);
411
+	OFFSET(STAMP_XTIME_SEC, vdso_data, stamp_xtime_sec);
412
+	OFFSET(STAMP_XTIME_NSEC, vdso_data, stamp_xtime_nsec);
382413 	OFFSET(STAMP_SEC_FRAC, vdso_data, stamp_sec_fraction);
383414 	OFFSET(CLOCK_HRTIMER_RES, vdso_data, hrtimer_res);
415
+#ifdef CONFIG_PPC64
384416 	OFFSET(CFG_ICACHE_BLOCKSZ, vdso_data, icache_block_size);
385417 	OFFSET(CFG_DCACHE_BLOCKSZ, vdso_data, dcache_block_size);
386418 	OFFSET(CFG_ICACHE_LOGBLOCKSZ, vdso_data, icache_log_block_size);
387419 	OFFSET(CFG_DCACHE_LOGBLOCKSZ, vdso_data, dcache_log_block_size);
388
-#ifdef CONFIG_PPC64
389420 	OFFSET(CFG_SYSCALL_MAP64, vdso_data, syscall_map_64);
390
-	OFFSET(TVAL64_TV_SEC, timeval, tv_sec);
391
-	OFFSET(TVAL64_TV_USEC, timeval, tv_usec);
392
-	OFFSET(TVAL32_TV_SEC, compat_timeval, tv_sec);
393
-	OFFSET(TVAL32_TV_USEC, compat_timeval, tv_usec);
394
-	OFFSET(TSPC64_TV_SEC, timespec, tv_sec);
395
-	OFFSET(TSPC64_TV_NSEC, timespec, tv_nsec);
396
-	OFFSET(TSPC32_TV_SEC, compat_timespec, tv_sec);
397
-	OFFSET(TSPC32_TV_NSEC, compat_timespec, tv_nsec);
398
-#else
399
-	OFFSET(TVAL32_TV_SEC, timeval, tv_sec);
400
-	OFFSET(TVAL32_TV_USEC, timeval, tv_usec);
401
-	OFFSET(TSPC32_TV_SEC, timespec, tv_sec);
402
-	OFFSET(TSPC32_TV_NSEC, timespec, tv_nsec);
421
+	OFFSET(TVAL64_TV_SEC, __kernel_old_timeval, tv_sec);
422
+	OFFSET(TVAL64_TV_USEC, __kernel_old_timeval, tv_usec);
403423 #endif
424
+	OFFSET(TSPC64_TV_SEC, __kernel_timespec, tv_sec);
425
+	OFFSET(TSPC64_TV_NSEC, __kernel_timespec, tv_nsec);
426
+	OFFSET(TVAL32_TV_SEC, old_timeval32, tv_sec);
427
+	OFFSET(TVAL32_TV_USEC, old_timeval32, tv_usec);
428
+	OFFSET(TSPC32_TV_SEC, old_timespec32, tv_sec);
429
+	OFFSET(TSPC32_TV_NSEC, old_timespec32, tv_nsec);
404430 	/* timeval/timezone offsets for use by vdso */
405431 	OFFSET(TZONE_TZ_MINWEST, timezone, tz_minuteswest);
406432 	OFFSET(TZONE_TZ_DSTTIME, timezone, tz_dsttime);
....@@ -410,7 +436,10 @@
410436 	DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
411437 	DEFINE(CLOCK_REALTIME_COARSE, CLOCK_REALTIME_COARSE);
412438 	DEFINE(CLOCK_MONOTONIC_COARSE, CLOCK_MONOTONIC_COARSE);
439
+	DEFINE(CLOCK_MAX, CLOCK_TAI);
413440 	DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
441
+	DEFINE(EINVAL, EINVAL);
442
+	DEFINE(KTIME_LOW_RES, KTIME_LOW_RES);
414443 
415444 #ifdef CONFIG_BUG
416445 	DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
....@@ -499,11 +528,13 @@
499528 	OFFSET(KVM_VRMA_SLB_V, kvm, arch.vrma_slb_v);
500529 	OFFSET(KVM_RADIX, kvm, arch.radix);
501530 	OFFSET(KVM_FWNMI, kvm, arch.fwnmi_enabled);
531
+	OFFSET(KVM_SECURE_GUEST, kvm, arch.secure_guest);
502532 	OFFSET(VCPU_DSISR, kvm_vcpu, arch.shregs.dsisr);
503533 	OFFSET(VCPU_DAR, kvm_vcpu, arch.shregs.dar);
504534 	OFFSET(VCPU_VPA, kvm_vcpu, arch.vpa.pinned_addr);
505535 	OFFSET(VCPU_VPA_DIRTY, kvm_vcpu, arch.vpa.dirty);
506536 	OFFSET(VCPU_HEIR, kvm_vcpu, arch.emul_inst);
537
+	OFFSET(VCPU_NESTED, kvm_vcpu, arch.nested);
507538 	OFFSET(VCPU_CPU, kvm_vcpu, cpu);
508539 	OFFSET(VCPU_THREAD_CPU, kvm_vcpu, arch.thread_cpu);
509540 #endif
....@@ -530,6 +561,8 @@
530561 	OFFSET(VCPU_IRQ_PENDING, kvm_vcpu, arch.irq_pending);
531562 	OFFSET(VCPU_DBELL_REQ, kvm_vcpu, arch.doorbell_request);
532563 	OFFSET(VCPU_MMCR, kvm_vcpu, arch.mmcr);
564
+	OFFSET(VCPU_MMCRA, kvm_vcpu, arch.mmcra);
565
+	OFFSET(VCPU_MMCRS, kvm_vcpu, arch.mmcrs);
533566 	OFFSET(VCPU_PMC, kvm_vcpu, arch.pmc);
534567 	OFFSET(VCPU_SPMC, kvm_vcpu, arch.spmc);
535568 	OFFSET(VCPU_SIAR, kvm_vcpu, arch.siar);
....@@ -667,6 +700,9 @@
667700 	HSTATE_FIELD(HSTATE_SDAR, host_mmcr[4]);
668701 	HSTATE_FIELD(HSTATE_MMCR2, host_mmcr[5]);
669702 	HSTATE_FIELD(HSTATE_SIER, host_mmcr[6]);
703
+	HSTATE_FIELD(HSTATE_MMCR3, host_mmcr[7]);
704
+	HSTATE_FIELD(HSTATE_SIER2, host_mmcr[8]);
705
+	HSTATE_FIELD(HSTATE_SIER3, host_mmcr[9]);
670706 	HSTATE_FIELD(HSTATE_PMC1, host_pmc[0]);
671707 	HSTATE_FIELD(HSTATE_PMC2, host_pmc[1]);
672708 	HSTATE_FIELD(HSTATE_PMC3, host_pmc[2]);
....@@ -762,23 +798,6 @@
762798 	OFFSET(VCPU_TIMING_LAST_ENTER_TBL, kvm_vcpu, arch.timing_last_enter.tv32.tbl);
763799 #endif
764800 
765
-#ifdef CONFIG_PPC_POWERNV
766
-	OFFSET(PACA_CORE_IDLE_STATE_PTR, paca_struct, core_idle_state_ptr);
767
-	OFFSET(PACA_THREAD_IDLE_STATE, paca_struct, thread_idle_state);
768
-	OFFSET(PACA_THREAD_MASK, paca_struct, thread_mask);
769
-	OFFSET(PACA_SUBCORE_SIBLING_MASK, paca_struct, subcore_sibling_mask);
770
-	OFFSET(PACA_REQ_PSSCR, paca_struct, requested_psscr);
771
-	OFFSET(PACA_DONT_STOP, paca_struct, dont_stop);
772
-#define STOP_SPR(x, f)	OFFSET(x, paca_struct, stop_sprs.f)
773
-	STOP_SPR(STOP_PID, pid);
774
-	STOP_SPR(STOP_LDBAR, ldbar);
775
-	STOP_SPR(STOP_FSCR, fscr);
776
-	STOP_SPR(STOP_HFSCR, hfscr);
777
-	STOP_SPR(STOP_MMCR1, mmcr1);
778
-	STOP_SPR(STOP_MMCR2, mmcr2);
779
-	STOP_SPR(STOP_MMCRA, mmcra);
780
-#endif
781
-
782801 	DEFINE(PPC_DBELL_SERVER, PPC_DBELL_SERVER);
783802 	DEFINE(PPC_DBELL_MSGTYPE, PPC_DBELL_MSGTYPE);
784803 
....@@ -786,5 +805,9 @@
786805 	DEFINE(VIRT_IMMR_BASE, (u64)__fix_to_virt(FIX_IMMR_BASE));
787806 #endif
788807 
808
+#ifdef CONFIG_XMON
809
+	DEFINE(BPT_SIZE, BPT_SIZE);
810
+#endif
811
+
789812 	return 0;
790813 }