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52 lines
1.9 KiB
52 lines
1.9 KiB
7 years ago
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From 6edf51a1d5d2f070998553f99f3a6dc90c5c2969 Mon Sep 17 00:00:00 2001
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From: Carlos Eduardo Seo <cseo@linux.vnet.ibm.com>
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Date: Wed, 19 Aug 2015 01:42:55 -0300
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Subject: [PATCH] powerpc: Sync hwcap.h with kernel
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Linux commit b4b56f9ecab40f3b4ef53e130c9f6663be491894 introduced
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a new HWCAP2 bit to indicate that the kernel now aborts a memory
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transaction when a syscall is made. This patch adds that bit to
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sysdeps/powerpc/bits/hwcap.h.
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2015-08-26 Carlos Eduardo Seo <cseo@linux.vnet.ibm.com>
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* sysdeps/powerpc/bits/hwcap.h: Add PPC_FEATURE2_HTM_NOSC.
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* sysdeps/powerpc/dl-procinfo.c:
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(_dl_powerpc_cap_flags): Added descriptor for this hwcap
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feature so it shows when LD_SHOW_AUXV=1.
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(cherry picked from commit 3c13f28c8eac1e5a883d1b3801314430a094fc99)
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---
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ChangeLog | 7 +++++++
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sysdeps/powerpc/bits/hwcap.h | 2 ++
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sysdeps/powerpc/dl-procinfo.c | 2 +-
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3 files changed, 10 insertions(+), 1 deletion(-)
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diff --git a/ChangeLog b/ChangeLog
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index d9d3659..079da2a 100644
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diff --git a/sysdeps/powerpc/bits/hwcap.h b/sysdeps/powerpc/bits/hwcap.h
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index f8c48cd..12554ca 100644
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--- a/sysdeps/powerpc/bits/hwcap.h
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+++ b/sysdeps/powerpc/bits/hwcap.h
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@@ -64,3 +64,5 @@
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#define PPC_FEATURE2_HAS_TAR 0x04000000 /* Target Address Register */
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#define PPC_FEATURE2_HAS_VEC_CRYPTO 0x02000000 /* Target supports vector
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instruction. */
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+#define PPC_FEATURE2_HTM_NOSC 0x01000000 /* Kernel aborts transaction
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+ when a syscall is made. */
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diff --git a/sysdeps/powerpc/dl-procinfo.c b/sysdeps/powerpc/dl-procinfo.c
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index 6eda5d9..770c1f3 100644
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--- a/sysdeps/powerpc/dl-procinfo.c
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+++ b/sysdeps/powerpc/dl-procinfo.c
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@@ -62,7 +62,7 @@ PROCINFO_CLASS const char _dl_powerpc_cap_flags[60][10]
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"", "", "", "",
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"", "", "", "",
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"", "", "", "",
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- "", "vcrypto", "tar", "isel",
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+ "htm-nosc", "vcrypto", "tar", "isel",
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"ebb", "dscr", "htm", "arch_2_07",
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}
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#endif
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--
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2.1.0
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