From a45f6d49ec090ad94333c0865c378d2d96ab2af4 Mon Sep 17 00:00:00 2001
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From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Date: Mon, 15 Feb 2021 20:17:43 +0100
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Subject: [PATCH] orc/orccpu-powerpc.c: fix build with kernel < 4.11
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Build with powerpc and kernel < 4.11 is broken since version 0.4.30 and
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https://gitlab.freedesktop.org/gstreamer/orc/-/commit/a999325abea6a5549d60d99ddeb0271d2aa00235:
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FAILED: orc/liborc-0.4.so.0.32.0.p/orccpu-powerpc.c.o
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/home/giuliobenetti/autobuild/run/instance-3/output-1/host/bin/powerpc-linux-gcc -Iorc/liborc-0.4.so.0.32.0.p -Iorc -I../orc -I. -I.. -fdiagnostics-color=always -pipe -Wall -Winvalid-pch -std=gnu99 -O3 -DHAVE_CONFIG_H -fvisibility=hidden -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -fPIC -pthread -DORC_ENABLE_UNSTABLE_API -D_GNU_SOURCE -DBUILDING_ORC -MD -MQ orc/liborc-0.4.so.0.32.0.p/orccpu-powerpc.c.o -MF orc/liborc-0.4.so.0.32.0.p/orccpu-powerpc.c.o.d -o orc/liborc-0.4.so.0.32.0.p/orccpu-powerpc.c.o -c ../orc/orccpu-powerpc.c
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../orc/orccpu-powerpc.c: In function 'orc_check_powerpc_proc_auxv':
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../orc/orccpu-powerpc.c:164:21: error: 'AT_L1D_CACHESIZE' undeclared (first use in this function); did you mean 'AT_DCACHEBSIZE'?
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164 | if (buf[i] == AT_L1D_CACHESIZE) {
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| ^~~~~~~~~~~~~~~~
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| AT_DCACHEBSIZE
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../orc/orccpu-powerpc.c:164:21: note: each undeclared identifier is reported only once for each function it appears in
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../orc/orccpu-powerpc.c:168:21: error: 'AT_L2_CACHESIZE' undeclared (first use in this function); did you mean 'AT_ICACHEBSIZE'?
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168 | if (buf[i] == AT_L2_CACHESIZE) {
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| ^~~~~~~~~~~~~~~
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| AT_ICACHEBSIZE
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../orc/orccpu-powerpc.c:172:21: error: 'AT_L3_CACHESIZE' undeclared (first use in this function); did you mean 'AT_ICACHEBSIZE'?
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172 | if (buf[i] == AT_L3_CACHESIZE) {
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| ^~~~~~~~~~~~~~~
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| AT_ICACHEBSIZE
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Indeed, AT_{L1D,L2,L3}_CACHESIZE is only defined since kernel 4.11 and
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https://github.com/torvalds/linux/commit/98a5f361b8625c6f4841d6ba013bbf0e80d08147
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Fixes:
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- http://autobuild.buildroot.org/results/0821e96cba3e455edd47b87485501d892fc7ac6a
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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[Upstream status:
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https://gitlab.freedesktop.org/gstreamer/orc/-/merge_requests/56]
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---
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orc/orccpu-powerpc.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/orc/orccpu-powerpc.c b/orc/orccpu-powerpc.c
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index 6796f17..340cf05 100644
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--- a/orc/orccpu-powerpc.c
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+++ b/orc/orccpu-powerpc.c
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@@ -161,18 +161,24 @@ orc_check_powerpc_proc_auxv (void)
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_orc_cpu_name = (char*)buf[i + 1];
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found++;
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}
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+#ifdef AT_L1D_CACHESIZE
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if (buf[i] == AT_L1D_CACHESIZE) {
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_orc_data_cache_size_level1 = buf[i + 1];
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found++;
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}
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+#endif
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+#ifdef AT_L2_CACHESIZE
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if (buf[i] == AT_L2_CACHESIZE) {
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_orc_data_cache_size_level2 = buf[i + 1];
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found++;
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}
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+#endif
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+#ifdef AT_L3_CACHESIZE
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if (buf[i] == AT_L3_CACHESIZE) {
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_orc_data_cache_size_level3 = buf[i + 1];
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found++;
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}
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+#endif
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if (found == 6)
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break;
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}
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--
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2.30.0
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