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qemu-sparc: use default gcc

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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>
This commit is contained in:
Waldemar Brodkorb 2014-09-19 12:34:04 +02:00 committed by Thomas Petazzoni
parent 40a65d5216
commit 0713b7ff65
3 changed files with 55 additions and 4 deletions
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50
board/qemu/sparc-ss10/linux/linux-0001-sparc-memset-fix.patch Normal file
View File

@ -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:

2
configs/qemu_sparc_ss10_defconfig
View File

@ -2,6 +2,8 @@
BR2_sparc=y
BR2_sparc_v8=y
BR2_GLOBAL_PATCH_DIR="board/qemu/sparc-ss10"
# filesystem
BR2_TARGET_ROOTFS_EXT2=y
# BR2_TARGET_ROOTFS_TAR is not set

7
package/gcc/Config.in.host
View File

@ -10,7 +10,6 @@ choice
prompt "GCC compiler Version"
default BR2_GCC_VERSION_4_4_X if BR2_sparc_sparchfleon || BR2_sparc_sparchfleonv8 || BR2_sparc_sparcsfleon || BR2_sparc_sparcsfleonv8
default BR2_GCC_VERSION_4_2_2_AVR32_2_1_5 if BR2_avr32
default BR2_GCC_VERSION_4_7_X if BR2_sparc
default BR2_GCC_VERSION_4_8_ARC if BR2_arc
default BR2_GCC_VERSION_4_9_X if BR2_microblaze || BR2_powerpc64le
default BR2_GCC_VERSION_4_5_X if BR2_bfin
@ -47,7 +46,7 @@ choice
bool "gcc 4.7.x"
config BR2_GCC_VERSION_4_8_X
depends on !BR2_microblaze && !BR2_arc && !BR2_avr32 && !BR2_bfin && !BR2_cortex_a12 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_powerpc64le && !BR2_sparc
depends on !BR2_microblaze && !BR2_arc && !BR2_avr32 && !BR2_bfin && !BR2_cortex_a12 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_powerpc64le
select BR2_GCC_NEEDS_MPC
select BR2_GCC_SUPPORTS_GRAPHITE
bool "gcc 4.8.x"
@ -58,14 +57,14 @@ choice
bool "gcc 4.8-arc"
config BR2_GCC_VERSION_4_9_X
depends on !BR2_arc && !BR2_avr32 && !BR2_bfin && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_sparc
depends on !BR2_arc && !BR2_avr32 && !BR2_bfin && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8
# PR60102 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60102
select BR2_GCC_NEEDS_MPC
select BR2_GCC_SUPPORTS_GRAPHITE
bool "gcc 4.9.x"
config BR2_GCC_VERSION_SNAP
depends on !BR2_arc && !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_sparc
depends on !BR2_arc && !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8
select BR2_GCC_NEEDS_MPC
# musl patches only for gcc 4.7+
depends on !BR2_TOOLCHAIN_BUILDROOT_MUSL