[realview] disable VFPv4 probing
authorFlorian Fainelli <florian@openwrt.org>
Tue, 18 Sep 2012 10:00:56 +0000 (10:00 +0000)
committerFlorian Fainelli <florian@openwrt.org>
Tue, 18 Sep 2012 10:00:56 +0000 (10:00 +0000)
This will make the kernel crash on systems using qemu < 1.1.0. Until fixed
disable VPFv4 capability probing.

SVN-Revision: 33458

target/linux/realview/patches-3.3/002-disable_fmrx_instr.patch [new file with mode: 0644]

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
@@ -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;