musl: disable hardware FPU registers usage

This was crashing applications, thanks to Rich Felker for the suggestion.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 34317

diff --git a/toolchain/musl/patches-0.9.7/002-no_mips_fpu.patch b/toolchain/musl/patches-0.9.7/002-no_mips_fpu.patch
new file mode 100644 (file)
index 0000000..92af325
--- /dev/null
+++ b/toolchain/musl/patches-0.9.7/002-no_mips_fpu.patch
@@ -0,0 +1,49 @@
+diff -urN musl-0.9.7/src/setjmp/mips/longjmp.s musl-0.9.7.new/src/setjmp/mips/longjmp.s
+--- musl-0.9.7/src/setjmp/mips/longjmp.s       2012-11-23 17:03:07.000000000 +0100
++++ musl-0.9.7.new/src/setjmp/mips/longjmp.s   2012-11-23 21:52:57.353668480 +0100
+@@ -10,21 +10,7 @@
+       bne     $2, $0, 1f
+       nop
+       addu    $2, $2, 1
+-1:    lw      $8,  48($4)
+-      ctc1    $8,  $31
+-      lwc1    $20, 56($4)
+-      lwc1    $21, 60($4)
+-      lwc1    $22, 64($4)
+-      lwc1    $23, 68($4)
+-      lwc1    $24, 72($4)
+-      lwc1    $25, 76($4)
+-      lwc1    $26, 80($4)
+-      lwc1    $27, 84($4)
+-      lwc1    $28, 88($4)
+-      lwc1    $29, 92($4)
+-      lwc1    $30, 96($4)
+-      lwc1    $31, 100($4)
+-      lw      $ra,  0($4)
++1:    lw      $ra,  0($4)
+       lw      $sp,  4($4)
+       lw      $16,  8($4)
+       lw      $17, 12($4)
+diff -urN musl-0.9.7/src/setjmp/mips/setjmp.s musl-0.9.7.new/src/setjmp/mips/setjmp.s
+--- musl-0.9.7/src/setjmp/mips/setjmp.s        2012-11-23 17:03:07.000000000 +0100
++++ musl-0.9.7.new/src/setjmp/mips/setjmp.s    2012-11-23 21:52:33.713667876 +0100
+@@ -21,19 +21,5 @@
+       sw      $23, 36($4)
+       sw      $30, 40($4)
+       sw      $28, 44($4)
+-      cfc1    $8, $31
+-      sw      $8,  48($4)
+-      swc1    $20, 56($4)
+-      swc1    $21, 60($4)
+-      swc1    $22, 64($4)
+-      swc1    $23, 68($4)
+-      swc1    $24, 72($4)
+-      swc1    $25, 76($4)
+-      swc1    $26, 80($4)
+-      swc1    $27, 84($4)
+-      swc1    $28, 88($4)
+-      swc1    $29, 92($4)
+-      swc1    $30, 96($4)
+-      swc1    $31, 100($4)
+       jr      $ra
+       li      $2, 0