[realview] disable VFPv4 probing

This will make the kernel crash on systems using qemu < 1.1.0. Until fixed
disable VPFv4 capability probing.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33458 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/realview/patches-3.3/002-disable_fmrx_instr.patch b/target/linux/realview/patches-3.3/002-disable_fmrx_instr.patch
new file mode 100644 (file)
index 0000000..329e29f
--- /dev/null
+++ b/target/linux/realview/patches-3.3/002-disable_fmrx_instr.patch
@@ -0,0 +1,13 @@
+--- a/arch/arm/vfp/vfpmodule.c
++++ b/arch/arm/vfp/vfpmodule.c
+@@ -622,8 +622,10 @@ static int __init vfp_init(void)
+                       if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100)
+                               elf_hwcap |= HWCAP_NEON;
+ #endif
++#if 0
+                       if ((fmrx(MVFR1) & 0xf0000000) == 0x10000000)
+                               elf_hwcap |= HWCAP_VFPv4;
++#endif
+               }
+       }
+       return 0;