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MIPS: compressed: Fix build with ZSTD compression

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[ Upstream commit c5c7440fe7 ]

Fix the following build issues:

mips64el-linux-ld: arch/mips/boot/compressed/decompress.o: in function `FSE_buildDTable_internal':
 decompress.c:(.text.FSE_buildDTable_internal+0x2cc): undefined reference to `__clzdi2'
   mips64el-linux-ld: arch/mips/boot/compressed/decompress.o: in function `BIT_initDStream':
   decompress.c:(.text.BIT_initDStream+0x7c): undefined reference to `__clzdi2'
   mips64el-linux-ld: decompress.c:(.text.BIT_initDStream+0x158): undefined reference to `__clzdi2'
   mips64el-linux-ld: arch/mips/boot/compressed/decompress.o: in function `ZSTD_buildFSETable_body_default.constprop.0':
 decompress.c:(.text.ZSTD_buildFSETable_body_default.constprop.0+0x2a8): undefined reference to `__clzdi2'
   mips64el-linux-ld: arch/mips/boot/compressed/decompress.o: in function `FSE_readNCount_body_default':
 decompress.c:(.text.FSE_readNCount_body_default+0x130): undefined reference to `__ctzdi2'
 mips64el-linux-ld: decompress.c:(.text.FSE_readNCount_body_default+0x1a4): undefined reference to `__ctzdi2'
 mips64el-linux-ld: decompress.c:(.text.FSE_readNCount_body_default+0x2e4): undefined reference to `__clzdi2'
   mips64el-linux-ld: arch/mips/boot/compressed/decompress.o: in function `HUF_readStats_body_default':
 decompress.c:(.text.HUF_readStats_body_default+0x184): undefined reference to `__clzdi2'
 mips64el-linux-ld: decompress.c:(.text.HUF_readStats_body_default+0x1b4): undefined reference to `__clzdi2'
   mips64el-linux-ld: arch/mips/boot/compressed/decompress.o: in function `ZSTD_DCtx_getParameter':
 decompress.c:(.text.ZSTD_DCtx_getParameter+0x60): undefined reference to `__clzdi2'

Fixes: a510b61613 ("MIPS: Add support for ZSTD-compressed kernels")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Nick Terrell <terrelln@fb.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Paul Cercueil
2022-01-07 18:57:22 +00:00
committed by Greg Kroah-Hartman
parent 925b35b545
commit 38e9447399
2 changed files with 3 additions and 1 deletions
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2
arch/mips/boot/compressed/Makefile
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@@ -56,7 +56,7 @@ $(obj)/uart-ath79.c: $(srctree)/arch/mips/ath79/early_printk.c
vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o
vmlinuzobjs-$(CONFIG_KERNEL_ZSTD) += $(obj)/bswapdi.o $(obj)/ashldi3.o
vmlinuzobjs-$(CONFIG_KERNEL_ZSTD) += $(obj)/bswapdi.o $(obj)/ashldi3.o $(obj)/clz_ctz.o
extra-y += ashldi3.c
$(obj)/ashldi3.c: $(obj)/%.c: $(srctree)/lib/%.c FORCE

2
arch/mips/boot/compressed/clz_ctz.c Normal file
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@@ -0,0 +1,2 @@
// SPDX-License-Identifier: GPL-2.0-only
#include "../../../../lib/clz_ctz.c"