[PATCH] powerpc: Merge vdso's and add vdso support to 32 bits kernel

[cascardo/linux.git] / arch / powerpc / kernel / asm-offsets.c

diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 8793102..4550eb4 100644 (file)
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -37,12 +37,12 @@
 #include <asm/cputable.h>
 #include <asm/thread_info.h>
 #include <asm/rtas.h>
+#include <asm/vdso_datapage.h>
 #ifdef CONFIG_PPC64
 #include <asm/paca.h>
 #include <asm/lppaca.h>
 #include <asm/iseries/hv_lp_event.h>
 #include <asm/cache.h>
-#include <asm/systemcfg.h>
 #include <asm/compat.h>
 #endif
 
@@ -251,25 +251,42 @@ int main(void)
 
        DEFINE(TASK_SIZE, TASK_SIZE);
        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));
-       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));
+#endif /* ! CONFIG_PPC64 */
 
-       /* timeval/timezone offsets for use by vdso */
+       /* datapage offsets for use by vdso */
+       DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct vdso_data, tb_orig_stamp));
+       DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct vdso_data, tb_ticks_per_sec));
+       DEFINE(CFG_TB_TO_XS, offsetof(struct vdso_data, tb_to_xs));
+       DEFINE(CFG_STAMP_XSEC, offsetof(struct vdso_data, stamp_xsec));
+       DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct vdso_data, tb_update_count));
+       DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct vdso_data, tz_minuteswest));
+       DEFINE(CFG_TZ_DSTTIME, offsetof(struct vdso_data, tz_dsttime));
+       DEFINE(CFG_SYSCALL_MAP32, offsetof(struct vdso_data, syscall_map_32));
+       DEFINE(WTOM_CLOCK_SEC, offsetof(struct vdso_data, wtom_clock_sec));
+       DEFINE(WTOM_CLOCK_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
+#ifdef CONFIG_PPC64
+       DEFINE(CFG_SYSCALL_MAP64, offsetof(struct vdso_data, syscall_map_64));
        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(TSPC32_TV_SEC, offsetof(struct compat_timespec, tv_sec));
+       DEFINE(TSPC32_TV_NSEC, offsetof(struct compat_timespec, tv_nsec));
+#else
+       DEFINE(TVAL32_TV_SEC, offsetof(struct timeval, tv_sec));
+       DEFINE(TVAL32_TV_USEC, offsetof(struct timeval, tv_usec));
+       DEFINE(TSPEC32_TV_SEC, offsetof(struct timespec, tv_sec));
+       DEFINE(TSPEC32_TV_NSEC, offsetof(struct timespec, tv_nsec));
+#endif
+       /* timeval/timezone offsets for use by vdso */
        DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
        DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
-#endif /* CONFIG_PPC64 */
+
+       /* Other bits used by the vdso */
+       DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
+       DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
+       DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
+       DEFINE(CLOCK_REALTIME_RES, TICK_NSEC);
+
        return 0;
 }