Architecture detection. This is needed for proper functioning of spinlocks. (c38b7327) · Commits · 戴 / Bird

Makefile.in

+4 −0

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		@@ -153,6 +153,10 @@ prepare: $(objdir)/sysdep/paths.h \| $(objdir)/.dir-stamp
		$(objdir)/.dir-stamp: Makefile
		$(E)echo MKDIR -p $(addprefix $(objdir)/,$(dirs) doc)
		$(Q)mkdir -p $(addprefix $(objdir)/,$(dirs) doc)
		$(E)echo RM -f $(objdir)/sysdep/arch
		$(Q)rm -f $(objdir)/sysdep/arch
		$(E)echo LN -s $(srcdir)/sysdep/@bird_target_cpu@ $(objdir)/sysdep/arch
		$(Q)ln -s $$(readlink -f $(srcdir)/sysdep/@bird_target_cpu@) $(objdir)/sysdep/arch
		$(Q)touch $@

		$(client) $(daemon):

+11 −0

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		@@ -103,6 +103,16 @@ AC_SEARCH_LIBS([clock_gettime], [rt posix4],
		)

		AC_CANONICAL_HOST
		AC_CANONICAL_TARGET

		if test -d "sysdep/$target_cpu" ; then
		bird_target_cpu="$target_cpu"
		else
		AC_MSG_NOTICE([Target CPU not known, disabling architecture tweaks: $target_cpu])
		bird_target_cpu=generic-arch
		fi

		AC_SUBST([bird_target_cpu])

		# Store this value because ac_test_CFLAGS is overwritten by AC_PROG_CC
		if test "$ac_test_CFLAGS" != set ; then
		@@ -457,6 +467,7 @@ AC_OUTPUT

		AC_MSG_RESULT()
		AC_MSG_RESULT([BIRD was configured with the following options:])
		AC_MSG_RESULT([ Target CPU: $target_cpu])
		AC_MSG_RESULT([ Source directory: $srcdir])
		AC_MSG_RESULT([ Object directory: $objdir])
		AC_MSG_RESULT([ Iproute2 directory: $iproutedir])

+1 −0

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		@@ -47,6 +47,7 @@ static inline int uint_cmp(uint i1, uint i2)
		static inline int u64_cmp(u64 i1, u64 i2)
		{ return (int)(i1 > i2) - (int)(i1 < i2); }

		#define TARGET_ARCH_INCLUDE_PATH(file) "sysdep/" TARGET_CPU file

		/* Bitfield macros */

0 → 100644

+14 −0

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		/*
		* BIRD -- calls for other architectures
		*
		* (c) 2019 Maria Matejka <mq@ucw.cz>
		*
		* Can be freely distributed and used under the terms of the GNU GPL.
		*/

		#ifndef _BIRD_ASM_H_
		#define _BIRD_ASM_H_

		#define CPU_RELAX() __asm__ __volatile__ ("" : : : "memory")

		#endif

0 → 100644

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		/*
		* BIRD -- x86-specific calls
		*
		* (c) 2019 Maria Matejka <mq@ucw.cz>
		*
		* Can be freely distributed and used under the terms of the GNU GPL.
		*/

		#ifndef _BIRD_ASM_H_
		#define _BIRD_ASM_H_

		#define CPU_RELAX() __asm__ __volatile__ ("rep; nop" : : : "memory")

		#endif