[PATCH 2/9] powerpc: merge asm-offsets.c
Stephen Rothwell
sfr at canb.auug.org.au
Fri Sep 30 23:49:59 EST 2005
I needed more merged to make iSeries build. I also rearranged it into a
bit more logical arrangement where the referneces to each structure are
all together.
Signed-off-by: Stephen Rothwell <sfr at canb.auug.org.au>
---
arch/powerpc/kernel/asm-offsets.c | 220 ++++++++++++++++++++-----------------
1 files changed, 117 insertions(+), 103 deletions(-)
--
Cheers,
Stephen Rothwell sfr at canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
d1dead5c5f016ebadb4b87c2c9fa13dfc2c99bf0
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -20,17 +20,20 @@
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/types.h>
-#include <linux/ptrace.h>
-#include <linux/suspend.h>
#include <linux/mman.h>
#include <linux/mm.h>
+#ifdef CONFIG_PPC64
#include <linux/time.h>
#include <linux/hardirq.h>
+#else
+#include <linux/ptrace.h>
+#include <linux/suspend.h>
+#endif
+
#include <asm/io.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
-
#include <asm/cputable.h>
#include <asm/thread_info.h>
#ifdef CONFIG_PPC64
@@ -50,63 +53,117 @@
int main(void)
{
- /* thread struct on stack */
- DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
- DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
- DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
-#ifdef CONFIG_PPC32
- DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
-#endif
+ DEFINE(THREAD, offsetof(struct task_struct, thread));
+ DEFINE(MM, offsetof(struct task_struct, mm));
#ifdef CONFIG_PPC64
- DEFINE(TI_SC_NOERR, offsetof(struct thread_info, syscall_noerror));
DEFINE(THREAD_SHIFT, THREAD_SHIFT);
-#endif
DEFINE(THREAD_SIZE, THREAD_SIZE);
-
- /* task_struct->thread */
- DEFINE(THREAD, offsetof(struct task_struct, thread));
+ DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context));
+#else
DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info));
- DEFINE(MM, offsetof(struct task_struct, mm));
DEFINE(PTRACE, offsetof(struct task_struct, ptrace));
+#endif /* CONFIG_PPC64 */
+
DEFINE(KSP, offsetof(struct thread_struct, ksp));
- DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
- DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall));
DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
-#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
- DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
- DEFINE(PT_PTRACED, PT_PTRACED);
-#endif
-#ifdef CONFIG_PPC64
- DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
-#endif
-
#ifdef CONFIG_ALTIVEC
DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
#endif /* CONFIG_ALTIVEC */
+#ifdef CONFIG_PPC64
+ DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid));
+#else /* CONFIG_PPC64 */
+ DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
+ DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall));
+#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
+ DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
+ DEFINE(PT_PTRACED, PT_PTRACED);
+#endif
#ifdef CONFIG_SPE
DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0]));
DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc));
DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr));
DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe));
#endif /* CONFIG_SPE */
+#endif /* CONFIG_PPC64 */
+
+ DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
+ DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
+#ifdef CONFIG_PPC64
+ DEFINE(TI_SC_NOERR, offsetof(struct thread_info, syscall_noerror));
+#else
+ DEFINE(TI_TASK, offsetof(struct thread_info, task));
+ DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
+ DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
+ DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
+#endif /* CONFIG_PPC64 */
+
+#ifdef CONFIG_PPC64
+ DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size));
+ DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size));
+ DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page));
+ DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size));
+ DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
+ DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
+ DEFINE(PLATFORM, offsetof(struct systemcfg, platform));
+
+ /* paca */
+ DEFINE(PACA_SIZE, sizeof(struct paca_struct));
+ DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index));
+ DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start));
+ DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack));
+ DEFINE(PACACURRENT, offsetof(struct paca_struct, __current));
+ DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr));
+ DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real));
+ DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr));
+ DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr));
+ DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1));
+ DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc));
+ DEFINE(PACAPROCENABLED, offsetof(struct paca_struct, proc_enabled));
+ DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
+ DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
+ DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
+#ifdef CONFIG_HUGETLB_PAGE
+ DEFINE(PACALOWHTLBAREAS, offsetof(struct paca_struct, context.low_htlb_areas));
+ DEFINE(PACAHIGHHTLBAREAS, offsetof(struct paca_struct, context.high_htlb_areas));
+#endif /* CONFIG_HUGETLB_PAGE */
+ DEFINE(PACADEFAULTDECR, offsetof(struct paca_struct, default_decr));
+ DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
+ DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
+ DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
+ DEFINE(PACA_EXDSI, offsetof(struct paca_struct, exdsi));
+ DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
+ DEFINE(PACALPPACA, offsetof(struct paca_struct, lppaca));
+ DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
+
+ DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0));
+ DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1));
+ DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int));
+ DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int));
+
+ /* RTAS */
+ DEFINE(RTASBASE, offsetof(struct rtas_t, base));
+ DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
+#endif /* CONFIG_PPC64 */
+
/* Interrupt register frame */
DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
#ifndef CONFIG_PPC64
DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
-#else
+#else /* CONFIG_PPC64 */
DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
-
/* 288 = # of volatile regs, int & fp, for leaf routines */
/* which do not stack a frame. See the PPC64 ABI. */
DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288);
-#endif
- /* in fact we only use gpr0 - gpr9 and gpr20 - gpr23 */
+ /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
+ DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
+ DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
+#endif /* CONFIG_PPC64 */
DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
@@ -121,6 +178,7 @@ int main(void)
DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11]));
DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12]));
DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13]));
+#ifndef CONFIG_PPC64
DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14]));
DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15]));
DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16]));
@@ -139,6 +197,7 @@ int main(void)
DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29]));
DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30]));
DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31]));
+#endif /* CONFIG_PPC64 */
/*
* Note: these symbols include _ because they overlap with special
* register names
@@ -148,23 +207,37 @@ int main(void)
DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
- DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq));
DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
- /* The PowerPC 400-class & Book-E processors have neither the DAR nor the DSISR
- * SPRs. Hence, we overload them to hold the similar DEAR and ESR SPRs
- * for such processors. For critical interrupts we use them to
- * hold SRR0 and SRR1.
+ DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
+ DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
+#ifndef CONFIG_PPC64
+ DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq));
+ /*
+ * The PowerPC 400-class & Book-E processors have neither the DAR
+ * nor the DSISR SPRs. Hence, we overload them to hold the similar
+ * DEAR and ESR SPRs for such processors. For critical interrupts
+ * we use them to hold SRR0 and SRR1.
*/
DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
- DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
- DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
DEFINE(TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
+#else /* CONFIG_PPC64 */
+ DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
+ DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
+
+ /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
+ DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
+ DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
+#endif /* CONFIG_PPC64 */
+
DEFINE(CLONE_VM, CLONE_VM);
DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
+
+#ifndef CONFIG_PPC64
DEFINE(MM_PGD, offsetof(struct mm_struct, pgd));
+#endif /* ! CONFIG_PPC64 */
/* About the CPU features table */
DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec));
@@ -173,66 +246,13 @@ int main(void)
DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));
-#ifdef CONFIG_PPC64
- DEFINE(MM, offsetof(struct task_struct, mm));
- DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context));
-
- DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size));
- DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size));
- DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page));
- DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size));
- DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
- DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
- DEFINE(PLATFORM, offsetof(struct systemcfg, platform));
-
- /* paca */
- DEFINE(PACA_SIZE, sizeof(struct paca_struct));
- DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index));
- DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start));
- DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack));
- DEFINE(PACACURRENT, offsetof(struct paca_struct, __current));
- DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr));
- DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real));
- DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr));
- DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr));
- DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1));
- DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc));
- DEFINE(PACAPROCENABLED, offsetof(struct paca_struct, proc_enabled));
- DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache));
- DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr));
- DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
-#ifdef CONFIG_HUGETLB_PAGE
- DEFINE(PACALOWHTLBAREAS, offsetof(struct paca_struct, context.low_htlb_areas));
- DEFINE(PACAHIGHHTLBAREAS, offsetof(struct paca_struct, context.high_htlb_areas));
-#endif /* CONFIG_HUGETLB_PAGE */
- DEFINE(PACADEFAULTDECR, offsetof(struct paca_struct, default_decr));
- DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
- DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
- DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
- DEFINE(PACA_EXDSI, offsetof(struct paca_struct, exdsi));
- DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
- DEFINE(PACALPPACA, offsetof(struct paca_struct, lppaca));
- DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
- DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0));
- DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1));
- DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int));
- DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int));
-
- /* RTAS */
- DEFINE(RTASBASE, offsetof(struct rtas_t, base));
- DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
-
- DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
- DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe));
-
- /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
- DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
- DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
-
- /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */
- DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs));
- DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8);
+#ifndef CONFIG_PPC64
+ DEFINE(pbe_address, offsetof(struct pbe, address));
+ DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
+ DEFINE(pbe_next, offsetof(struct pbe, next));
+ DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
+#else /* CONFIG_PPC64 */
/* 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));
@@ -251,12 +271,6 @@ int main(void)
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));
-#endif
-
- DEFINE(pbe_address, offsetof(struct pbe, address));
- DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
- DEFINE(pbe_next, offsetof(struct pbe, next));
-
- DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
+#endif /* CONFIG_PPC64 */
return 0;
}
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