2005-09-26 02:04:21 -04:00
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/*
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* This program is used to generate definitions needed by
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* assembly language modules.
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*
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* We use the technique used in the OSF Mach kernel code:
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* generate asm statements containing #defines,
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* compile this file to assembler, and then extract the
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* #defines from the assembly-language output.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/config.h>
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#include <linux/signal.h>
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#include <linux/sched.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/types.h>
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#include <linux/mman.h>
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#include <linux/mm.h>
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2005-09-28 10:35:31 -04:00
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#ifdef CONFIG_PPC64
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2005-09-26 02:04:21 -04:00
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#include <linux/time.h>
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#include <linux/hardirq.h>
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2005-09-28 10:35:31 -04:00
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#else
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#include <linux/ptrace.h>
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#include <linux/suspend.h>
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#endif
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2005-09-26 02:04:21 -04:00
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#include <asm/io.h>
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#include <asm/page.h>
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#include <asm/pgtable.h>
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#include <asm/processor.h>
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#include <asm/cputable.h>
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#include <asm/thread_info.h>
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2005-10-26 03:05:24 -04:00
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#include <asm/rtas.h>
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2005-09-26 02:04:21 -04:00
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#ifdef CONFIG_PPC64
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#include <asm/paca.h>
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#include <asm/lppaca.h>
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2005-11-01 20:08:31 -05:00
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#include <asm/iseries/hv_lp_event.h>
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2005-09-26 02:04:21 -04:00
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#include <asm/cache.h>
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#include <asm/systemcfg.h>
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#include <asm/compat.h>
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#endif
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#define DEFINE(sym, val) \
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asm volatile("\n->" #sym " %0 " #val : : "i" (val))
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#define BLANK() asm volatile("\n->" : : )
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int main(void)
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{
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2005-09-28 10:35:31 -04:00
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DEFINE(THREAD, offsetof(struct task_struct, thread));
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DEFINE(MM, offsetof(struct task_struct, mm));
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2005-09-26 02:04:21 -04:00
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#ifdef CONFIG_PPC64
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2005-09-28 10:35:31 -04:00
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DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context));
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#else
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2005-09-26 02:04:21 -04:00
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DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info));
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DEFINE(PTRACE, offsetof(struct task_struct, ptrace));
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2005-09-28 10:35:31 -04:00
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#endif /* CONFIG_PPC64 */
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2005-09-26 02:04:21 -04:00
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DEFINE(KSP, offsetof(struct thread_struct, ksp));
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DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
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DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
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DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
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DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
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#ifdef CONFIG_ALTIVEC
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DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
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DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
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DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
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DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
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#endif /* CONFIG_ALTIVEC */
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2005-09-28 10:35:31 -04:00
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#ifdef CONFIG_PPC64
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DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
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#else /* CONFIG_PPC64 */
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DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
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DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall));
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#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
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DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
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DEFINE(PT_PTRACED, PT_PTRACED);
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#endif
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2005-09-26 02:04:21 -04:00
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#ifdef CONFIG_SPE
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DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0]));
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DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc));
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DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr));
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DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe));
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#endif /* CONFIG_SPE */
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2005-09-28 10:35:31 -04:00
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#endif /* CONFIG_PPC64 */
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DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
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DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
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DEFINE(TI_SC_NOERR, offsetof(struct thread_info, syscall_noerror));
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[PATCH] powerpc: Merge thread_info.h
Merge ppc32 and ppc64 versions of thread_info.h. They were pretty
similar already, the chief changes are:
- Instead of inline asm to implement current_thread_info(),
which needs to be different for ppc32 and ppc64, we use C with an
asm("r1") register variable. gcc turns it into the same asm as we
used to have for both platforms.
- We replace ppc32's 'local_flags' with the ppc64
'syscall_noerror' field. The noerror flag was in fact the only thing
in the local_flags field anyway, so the ppc64 approach is simpler, and
means we only need a load-immediate/store instead of load/mask/store
when clearing the flag.
- In readiness for 64k pages, when THREAD_SIZE will be less
than a page, ppc64 used kmalloc() rather than get_free_pages() to
allocate the kernel stack. With this patch we do the same for ppc32,
since there's no strong reason not to.
- For ppc64, we no longer export THREAD_SHIFT and THREAD_SIZE
via asm-offsets, thread_info.h can now be safely included in asm, as
on ppc32.
Built and booted on G4 Powerbook (ARCH=ppc and ARCH=powerpc) and
Power5 (ARCH=ppc64 and ARCH=powerpc).
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-10-21 01:45:50 -04:00
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#ifdef CONFIG_PPC32
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2005-09-28 10:35:31 -04:00
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DEFINE(TI_TASK, offsetof(struct thread_info, task));
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DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
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DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
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2005-10-26 03:05:24 -04:00
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#endif /* CONFIG_PPC32 */
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2005-09-28 10:35:31 -04:00
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#ifdef CONFIG_PPC64
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DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size));
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DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size));
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DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page));
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DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size));
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DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
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DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
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2005-10-10 08:50:37 -04:00
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DEFINE(PLATFORM_LPAR, PLATFORM_LPAR);
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2005-09-28 10:35:31 -04:00
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/* paca */
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DEFINE(PACA_SIZE, sizeof(struct paca_struct));
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DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index));
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DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start));
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DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack));
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DEFINE(PACACURRENT, offsetof(struct paca_struct, __current));
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DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr));
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DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real));
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DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr));
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DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr));
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DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1));
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DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc));
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DEFINE(PACAPROCENABLED, offsetof(struct paca_struct, proc_enabled));
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DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
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DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
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DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
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2005-11-06 19:06:55 -05:00
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#ifdef CONFIG_PPC_64K_PAGES
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DEFINE(PACAPGDIR, offsetof(struct paca_struct, pgdir));
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#endif
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2005-09-28 10:35:31 -04:00
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#ifdef CONFIG_HUGETLB_PAGE
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DEFINE(PACALOWHTLBAREAS, offsetof(struct paca_struct, context.low_htlb_areas));
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DEFINE(PACAHIGHHTLBAREAS, offsetof(struct paca_struct, context.high_htlb_areas));
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#endif /* CONFIG_HUGETLB_PAGE */
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DEFINE(PACADEFAULTDECR, offsetof(struct paca_struct, default_decr));
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DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
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DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
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DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
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DEFINE(PACA_EXDSI, offsetof(struct paca_struct, exdsi));
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DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
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DEFINE(PACALPPACA, offsetof(struct paca_struct, lppaca));
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DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
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DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0));
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DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1));
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DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int));
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DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int));
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2005-10-26 03:05:24 -04:00
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#endif /* CONFIG_PPC64 */
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2005-09-28 10:35:31 -04:00
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/* RTAS */
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DEFINE(RTASBASE, offsetof(struct rtas_t, base));
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DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
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2005-09-26 02:04:21 -04:00
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/* Interrupt register frame */
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DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
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#ifndef CONFIG_PPC64
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DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
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2005-09-28 10:35:31 -04:00
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#else /* CONFIG_PPC64 */
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2005-09-26 02:04:21 -04:00
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DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
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/* 288 = # of volatile regs, int & fp, for leaf routines */
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/* which do not stack a frame. See the PPC64 ABI. */
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DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288);
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2005-09-28 10:35:31 -04:00
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/* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
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DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
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DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
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#endif /* CONFIG_PPC64 */
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2005-09-26 02:04:21 -04:00
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DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
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DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
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DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
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DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
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DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
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DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
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DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
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DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
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DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
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DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
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DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10]));
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DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11]));
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DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12]));
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DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13]));
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2005-09-28 10:35:31 -04:00
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#ifndef CONFIG_PPC64
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2005-09-26 02:04:21 -04:00
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DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14]));
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DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15]));
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DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16]));
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DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17]));
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DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18]));
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DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19]));
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DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20]));
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DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21]));
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DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22]));
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DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23]));
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DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24]));
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DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25]));
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DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26]));
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DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27]));
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DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28]));
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DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29]));
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DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30]));
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DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31]));
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2005-09-28 10:35:31 -04:00
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#endif /* CONFIG_PPC64 */
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2005-09-26 02:04:21 -04:00
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/*
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* Note: these symbols include _ because they overlap with special
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* register names
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*/
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DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
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DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
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DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
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DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
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DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
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DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
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DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
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DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
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2005-09-28 10:35:31 -04:00
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DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
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DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
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2005-10-28 08:45:25 -04:00
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DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
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2005-09-28 10:35:31 -04:00
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#ifndef CONFIG_PPC64
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DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq));
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/*
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* The PowerPC 400-class & Book-E processors have neither the DAR
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* nor the DSISR SPRs. Hence, we overload them to hold the similar
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* DEAR and ESR SPRs for such processors. For critical interrupts
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* we use them to hold SRR0 and SRR1.
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2005-09-26 02:04:21 -04:00
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*/
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DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
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DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
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2005-09-28 10:35:31 -04:00
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#else /* CONFIG_PPC64 */
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DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
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/* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
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DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
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DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
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#endif /* CONFIG_PPC64 */
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2005-09-26 02:04:21 -04:00
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DEFINE(CLONE_VM, CLONE_VM);
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DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
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2005-09-28 10:35:31 -04:00
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|
|
|
|
#ifndef CONFIG_PPC64
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2005-09-26 02:04:21 -04:00
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DEFINE(MM_PGD, offsetof(struct mm_struct, pgd));
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2005-09-28 10:35:31 -04:00
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|
#endif /* ! CONFIG_PPC64 */
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2005-09-26 02:04:21 -04:00
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|
|
|
|
|
|
/* About the CPU features table */
|
|
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|
|
DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec));
|
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|
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DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask));
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|
DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value));
|
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|
|
DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
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|
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|
|
DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));
|
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|
|
|
|
2005-09-28 10:35:31 -04:00
|
|
|
#ifndef CONFIG_PPC64
|
|
|
|
|
DEFINE(pbe_address, offsetof(struct pbe, address));
|
|
|
|
|
DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
|
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|
|
DEFINE(pbe_next, offsetof(struct pbe, next));
|
2005-09-26 02:04:21 -04:00
|
|
|
|
2005-10-11 08:08:12 -04:00
|
|
|
DEFINE(TASK_SIZE, TASK_SIZE);
|
2005-09-28 10:35:31 -04:00
|
|
|
DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
|
|
|
|
|
#else /* CONFIG_PPC64 */
|
2005-09-26 02:04:21 -04:00
|
|
|
/* systemcfg offsets for use by vdso */
|
|
|
|
|
DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct systemcfg, tb_orig_stamp));
|
|
|
|
|
DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct systemcfg, tb_ticks_per_sec));
|
|
|
|
|
DEFINE(CFG_TB_TO_XS, offsetof(struct systemcfg, tb_to_xs));
|
|
|
|
|
DEFINE(CFG_STAMP_XSEC, offsetof(struct systemcfg, stamp_xsec));
|
|
|
|
|
DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct systemcfg, tb_update_count));
|
|
|
|
|
DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct systemcfg, tz_minuteswest));
|
|
|
|
|
DEFINE(CFG_TZ_DSTTIME, offsetof(struct systemcfg, tz_dsttime));
|
|
|
|
|
DEFINE(CFG_SYSCALL_MAP32, offsetof(struct systemcfg, syscall_map_32));
|
|
|
|
|
DEFINE(CFG_SYSCALL_MAP64, offsetof(struct systemcfg, syscall_map_64));
|
|
|
|
|
|
|
|
|
|
/* timeval/timezone offsets for use by vdso */
|
|
|
|
|
DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec));
|
|
|
|
|
DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec));
|
|
|
|
|
DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec));
|
|
|
|
|
DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec));
|
|
|
|
|
DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
|
|
|
|
|
DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
|
2005-09-28 10:35:31 -04:00
|
|
|
#endif /* CONFIG_PPC64 */
|
2005-09-26 02:04:21 -04:00
|
|
|
return 0;
|
|
|
|
|
}
|
