libatomic-ops: Add MIPS support, from gentoo

2 files changed, 123 insertions, 1 deletions

diff --git a/recipes/pulseaudio/libatomics-ops/gentoo/libatomic_ops-1.2-mips.patch b/recipes/pulseaudio/libatomics-ops/gentoo/libatomic_ops-1.2-mips.patch
new file mode 100644
index 0000000000..79188ce435
--- /dev/null
+++ b/recipes/pulseaudio/libatomics-ops/gentoo/libatomic_ops-1.2-mips.patch
@@ -0,0 +1,121 @@
+diff --git a/src/atomic_ops.h b/src/atomic_ops.h
+index c23f30b..791b360 100755
+--- a/src/atomic_ops.h
++++ b/src/atomic_ops.h
+@@ -220,6 +220,9 @@
+ # if defined(__cris__) || defined(CRIS)
+ #   include "atomic_ops/sysdeps/gcc/cris.h"
+ # endif
++# if defined(__mips__) 
++#   include "atomic_ops/sysdeps/gcc/mips.h"
++# endif
+ #endif /* __GNUC__ && !AO_USE_PTHREAD_DEFS */
+ 
+ #if defined(__INTEL_COMPILER) && !defined(AO_USE_PTHREAD_DEFS)
+diff --git a/src/atomic_ops/sysdeps/Makefile.am b/src/atomic_ops/sysdeps/Makefile.am
+index 74122b4..d6737c0 100644
+--- a/src/atomic_ops/sysdeps/Makefile.am
++++ b/src/atomic_ops/sysdeps/Makefile.am
+@@ -29,6 +29,7 @@ nobase_sysdep_HEADERS= generic_pthread.h \
+ 	  gcc/powerpc.h gcc/sparc.h \
+ 	  gcc/hppa.h gcc/m68k.h gcc/s390.h \
+ 	  gcc/ia64.h gcc/x86_64.h gcc/cris.h \
++	  gcc/mips.h \
+ 	\
+ 	  icc/ia64.h \
+ 	\
+diff --git a/src/atomic_ops/sysdeps/gcc/mips.h b/src/atomic_ops/sysdeps/gcc/mips.h
+new file mode 100644
+index 0000000..e7f3a5d
+--- /dev/null
++++ b/src/atomic_ops/sysdeps/gcc/mips.h
+@@ -0,0 +1,89 @@
++/* 
++ * Copyright (c) 2005  Thiemo Seufer <ths@networkno.de>
++ * Copyright (c) 2007  Zhang Le <r0bertz@gentoo.org>
++ *
++ * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
++ * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
++ *
++ * Permission is hereby granted to use or copy this program
++ * for any purpose,  provided the above notices are retained on all copies.
++ * Permission to modify the code and to distribute modified code is granted,
++ * provided the above notices are retained, and a notice that the code was
++ * modified is included with the above copyright notice.
++ */
++
++#include "../all_aligned_atomic_load_store.h"
++#include "../test_and_set_t_is_ao_t.h"
++
++/* Data dependence does not imply read ordering.  */
++#define AO_NO_DD_ORDERING
++
++AO_INLINE void
++AO_nop_full()
++{
++  __asm__ __volatile__(
++      "       .set push           \n"
++      "       .set mips3          \n"
++      "       .set noreorder      \n"
++      "       .set nomacro        \n"
++      "       sync                \n"
++      "       .set pop              "
++      : : : "memory");
++}
++
++#define AO_HAVE_nop_full
++
++AO_INLINE int
++AO_compare_and_swap(volatile AO_t *addr, AO_t old, AO_t new_val)
++{
++  register int was_equal = 0;
++  register int temp;
++
++  __asm__ __volatile__(
++      "       .set push           \n"
++      "       .set mips3          \n"
++      "       .set noreorder      \n"
++      "       .set nomacro        \n"
++      "1:     ll      %0, %1      \n"
++      "       bne     %0, %4, 2f  \n"
++      "       move    %0, %3      \n"
++      "       sc      %0, %1      \n"
++      "       .set pop            \n"
++      "       beqz    %0, 1b      \n"
++      "       li      %2, 1       \n"
++      "2:                           "
++      : "=&r" (temp), "+R" (*addr), "+r" (was_equal)
++      : "r" (new_val), "r" (old)
++      : "memory");
++  return was_equal;
++}
++
++#define AO_HAVE_compare_and_swap
++
++AO_INLINE AO_t
++AO_fetch_and_add_full (volatile AO_t *p, AO_t incr)
++{
++  AO_t result, temp;
++  __asm__ __volatile__(
++      "       .set push           \n"
++      "       .set mips3          \n"
++      "       .set noreorder      \n"
++      "       .set nomacro        \n"
++      "1:     ll      %1, %2      \n"
++      "       addu    %0, %1, %3  \n"
++      "       sc      %0, %2      \n"
++      "       beqz    %0, 1b      \n"
++      "       addu    %0, %1, %3  \n"
++      "       sync                \n"
++      "       .set pop            \n"
++      : "=&r" (result), "=&r" (temp), "=m" (*p)
++      : "r" (incr), "m" (*p)
++      : "memory");
++  return result;
++}
++
++#define AO_HAVE_fetch_and_add_full
++
++/*
++ * FIXME: fetch_and_add_full implemented, any others?
++ */
diff --git a/recipes/pulseaudio/libatomics-ops_1.2.bb b/recipes/pulseaudio/libatomics-ops_1.2.bb
index 3772cdc3ae..94949c51b5 100644
--- a/recipes/pulseaudio/libatomics-ops_1.2.bb
+++ b/recipes/pulseaudio/libatomics-ops_1.2.bb
@@ -4,7 +4,8 @@ LICENSE = "MIT"
 PR = "r2"
 
 SRC_URI = "http://www.hpl.hp.com/research/linux/atomic_ops/download/libatomic_ops-1.2.tar.gz \
-           file://fedora/libatomic_ops-1.2-ppclwzfix.patch;patch=1"
+           file://fedora/libatomic_ops-1.2-ppclwzfix.patch;patch=1 \
+           file://gentoo/libatomic_ops-1.2-mips.patch;patch=1"
 
 S = "${WORKDIR}/libatomic_ops-${PV}"