The cirros image was rebuilt against the 3.13.0-83 kernel, drivers e1000e, igbvf...

[packages/trusty/cirros-testvm.git] / cirros-testvm / src-cirros / buildroot-2015.05 / package / libmad / 0004-thumb2-fixed-arm.patch

diff --git a/cirros-testvm/src-cirros/buildroot-2015.05/package/libmad/0004-thumb2-fixed-arm.patch b/cirros-testvm/src-cirros/buildroot-2015.05/package/libmad/0004-thumb2-fixed-arm.patch
new file mode 100644 (file)
index 0000000..befda48
--- /dev/null
+++ b/cirros-testvm/src-cirros/buildroot-2015.05/package/libmad/0004-thumb2-fixed-arm.patch
@@ -0,0 +1,40 @@
+Fixes Thumb2-related build failure
+
+Patch below comes from the Debian libmad package.
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+
+From: Dave Martin
+Subject: "rsc" doesnt exist anymore in thumb2
+
+diff --git a/fixed.h b/fixed.h
+index 4b58abf..ba4bc26 100644
+--- a/fixed.h
++++ b/fixed.h
+@@ -275,12 +275,25 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t x, mad_fixed_t y)
+        : "+r" (lo), "+r" (hi)  \
+        : "%r" (x), "r" (y))
+ 
++#ifdef __thumb__
++/* In Thumb-2, the RSB-immediate instruction is only allowed with a zero
++      operand.  If needed this code can also support Thumb-1 
++      (simply append "s" to the end of the second two instructions). */
++#  define MAD_F_MLN(hi, lo)  \
++    asm ("rsbs        %0, %0, #0\n\t"  \
++       "sbc   %1, %1, %1\n\t"  \
++       "sub   %1, %1, %2"  \
++       : "+&r" (lo), "=&r" (hi)  \
++       : "r" (hi)  \
++       : "cc")
++#else /* ! __thumb__ */
+ #  define MAD_F_MLN(hi, lo)  \
+     asm ("rsbs        %0, %2, #0\n\t"  \
+        "rsc   %1, %3, #0"  \
+-       : "=r" (lo), "=r" (hi)  \
++       : "=&r" (lo), "=r" (hi)  \
+        : "0" (lo), "1" (hi)  \
+        : "cc")
++#endif /* __thumb__ */
+ 
+ #  define mad_f_scale64(hi, lo)  \
+     ({ mad_fixed_t __result;  \