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 0000000000..022c87b3af --- /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 + +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: diff --git a/configs/qemu_sparc_ss10_defconfig b/configs/qemu_sparc_ss10_defconfig index 47f04b021e..22b2b87532 100644 --- a/configs/qemu_sparc_ss10_defconfig +++ b/configs/qemu_sparc_ss10_defconfig @@ -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 diff --git a/package/gcc/Config.in.host b/package/gcc/Config.in.host index b536a66826..76223e9fd4 100644 --- a/package/gcc/Config.in.host +++ b/package/gcc/Config.in.host @@ -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