diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2014-09-19 12:34:04 +0200 |
|---|---|---|
| committer | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2014-09-21 19:38:23 +0200 |
| commit | 0713b7ff652eee839a54268a83ca1b8ea70f3fd5 (patch) | |
| tree | abdf4ac13e9a640d9056f03fce6f0021edff50a2 /board/qemu/sparc-ss10 | |
| parent | 40a65d5216f290aefa0925da59a1fa714e18bef4 (diff) | |
qemu-sparc: use default gcc
With the kernel patch from:
http://patchwork.ozlabs.org/patch/384285/
There is no problem with latest gcc anymore.
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'board/qemu/sparc-ss10')
| -rw-r--r-- | board/qemu/sparc-ss10/linux/linux-0001-sparc-memset-fix.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/board/qemu/sparc-ss10/linux/linux-0001-sparc-memset-fix.patch b/board/qemu/sparc-ss10/linux/linux-0001-sparc-memset-fix.patch new file mode 100644 index 000000000..022c87b3a --- /dev/null +++ b/board/qemu/sparc-ss10/linux/linux-0001-sparc-memset-fix.patch @@ -0,0 +1,50 @@ +This makes memset follow the standard (instead of returning 0 on success). This +is needed when certain versions of gcc optimizes around memset calls and assume +that the address argument is preserved in %o0. + +Signed-off-by: Andreas Larsson <andreas@gaisler.com> + +diff -Nur linux-3.16.2.orig/arch/sparc/lib/memset.S linux-3.16.2/arch/sparc/lib/memset.S +--- linux-3.16.2.orig/arch/sparc/lib/memset.S 2014-09-06 01:37:11.000000000 +0200 ++++ linux-3.16.2/arch/sparc/lib/memset.S 2014-09-18 09:53:49.563047773 +0200 +@@ -65,6 +65,8 @@ + .globl __memset_start, __memset_end + __memset_start: + memset: ++ mov %o0, %g1 ++ mov 1, %g4 + and %o1, 0xff, %g3 + sll %g3, 8, %g2 + or %g3, %g2, %g3 +@@ -89,6 +91,7 @@ + sub %o0, %o2, %o0 + + __bzero: ++ clr %g4 + mov %g0, %g3 + 1: + cmp %o1, 7 +@@ -151,8 +154,8 @@ + bne,a 8f + EX(stb %g3, [%o0], and %o1, 1) + 8: +- retl +- clr %o0 ++ b 0f ++ nop + 7: + be 13b + orcc %o1, 0, %g0 +@@ -164,6 +167,12 @@ + bne 8b + EX(stb %g3, [%o0 - 1], add %o1, 1) + 0: ++ andcc %g4, 1, %g0 ++ be 5f ++ nop ++ retl ++ mov %g1, %o0 ++5: + retl + clr %o0 + __memset_end: |