From: Waldemar Brodkorb Date: Fri, 29 Apr 2016 17:51:23 +0000 (+0200) Subject: toolchain: add coldfire support X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=015322fccb0b785af3f7dd62618aa717f8aca064;p=buildroot.git toolchain: add coldfire support Add support for m68k/coldfire. A gcc patch is required to avoid gcc ICE. Signed-off-by: Waldemar Brodkorb Signed-off-by: Thomas Petazzoni --- diff --git a/arch/Config.in b/arch/Config.in index 3f1453fc0a..be37481ac2 100644 --- a/arch/Config.in +++ b/arch/Config.in @@ -94,7 +94,7 @@ config BR2_i386 config BR2_m68k bool "m68k" - select BR2_ARCH_HAS_MMU_MANDATORY + # MMU support is set by the subarchitecture file, arch/Config.in.m68k help Motorola 68000 family microprocessor http://en.wikipedia.org/wiki/M68k diff --git a/arch/Config.in.m68k b/arch/Config.in.m68k index 94494c8807..da06c3a9bb 100644 --- a/arch/Config.in.m68k +++ b/arch/Config.in.m68k @@ -4,6 +4,14 @@ config BR2_ARCH config BR2_ENDIAN default "BIG" +# symbols used to distinguish between m68k and coldfire +# for gcc multilib +config BR2_m68k_m68k + bool + +config BR2_m68k_cf + bool + # coldfire variants will be added later choice prompt "Target CPU" @@ -14,8 +22,20 @@ choice config BR2_m68k_68040 bool "68040" + select BR2_m68k_m68k + select BR2_ARCH_HAS_MMU_MANDATORY + +config BR2_m68k_cf5208 + bool "5208" + select BR2_m68k_cf + select BR2_SOFT_FLOAT endchoice config BR2_GCC_TARGET_CPU default "68040" if BR2_m68k_68040 + default "5208" if BR2_m68k_cf5208 + +config BR2_GCC_TARGET_ARCH + default "m68k" if BR2_m68k_m68k + default "cf" if BR2_m68k_cf diff --git a/package/gcc/4.8.5/891-fix-m68k-uclinux.patch b/package/gcc/4.8.5/891-fix-m68k-uclinux.patch new file mode 100644 index 0000000000..37c7ac406b --- /dev/null +++ b/package/gcc/4.8.5/891-fix-m68k-uclinux.patch @@ -0,0 +1,18 @@ +avoids internal compiler error while compiling linux-atomic.c +See here: +https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53833 + +Signed-off-by: Waldemar Brodkorb + +diff -Nur gcc-4.8.5.orig/libgcc/config.host gcc-4.8.5/libgcc/config.host +--- gcc-4.8.5.orig/libgcc/config.host 2014-03-20 17:12:30.000000000 +0100 ++++ gcc-4.8.5/libgcc/config.host 2016-04-27 15:04:01.521171537 +0200 +@@ -689,7 +689,7 @@ + m68k*-*-openbsd*) + ;; + m68k-*-uclinux*) # Motorola m68k/ColdFire running uClinux with uClibc +- tmake_file="$tmake_file m68k/t-floatlib m68k/t-linux" ++ tmake_file="$tmake_file m68k/t-floatlib" + md_unwind_header=m68k/linux-unwind.h + ;; + m68k-*-linux*) # Motorola m68k's running GNU/Linux diff --git a/package/gcc/4.9.3/891-fix-m68k-uclinux.patch b/package/gcc/4.9.3/891-fix-m68k-uclinux.patch new file mode 100644 index 0000000000..4347642d67 --- /dev/null +++ b/package/gcc/4.9.3/891-fix-m68k-uclinux.patch @@ -0,0 +1,18 @@ +avoids internal compiler error while compiling linux-atomic.c +See here: +https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53833 + +Signed-off-by: Waldemar Brodkorb + +diff -Nur gcc-4.9.3.orig/libgcc/config.host gcc-4.9.3/libgcc/config.host +--- gcc-4.9.3.orig/libgcc/config.host 2014-03-27 16:40:31.000000000 +0100 ++++ gcc-4.9.3/libgcc/config.host 2016-04-05 16:20:53.422809885 +0200 +@@ -750,7 +750,7 @@ + m68k*-*-openbsd*) + ;; + m68k-*-uclinux*) # Motorola m68k/ColdFire running uClinux with uClibc +- tmake_file="$tmake_file m68k/t-floatlib m68k/t-linux" ++ tmake_file="$tmake_file m68k/t-floatlib" + md_unwind_header=m68k/linux-unwind.h + ;; + m68k-*-linux*) # Motorola m68k's running GNU/Linux diff --git a/package/gcc/5.3.0/891-fix-m68k-uclinux.patch b/package/gcc/5.3.0/891-fix-m68k-uclinux.patch new file mode 100644 index 0000000000..4e186bd3d3 --- /dev/null +++ b/package/gcc/5.3.0/891-fix-m68k-uclinux.patch @@ -0,0 +1,18 @@ +avoids internal compiler error while compiling linux-atomic.c +See here: +https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53833 + +Signed-off-by: Waldemar Brodkorb + +diff -Nur gcc-5.3.0.orig/libgcc/config.host gcc-5.3.0/libgcc/config.host +--- gcc-5.3.0.orig/libgcc/config.host 2015-10-01 14:01:18.000000000 +0200 ++++ gcc-5.3.0/libgcc/config.host 2016-04-26 21:30:25.353691745 +0200 +@@ -794,7 +794,7 @@ + m68k*-*-openbsd*) + ;; + m68k-*-uclinux*) # Motorola m68k/ColdFire running uClinux with uClibc +- tmake_file="$tmake_file m68k/t-floatlib m68k/t-linux" ++ tmake_file="$tmake_file m68k/t-floatlib" + md_unwind_header=m68k/linux-unwind.h + ;; + m68k-*-linux*) # Motorola m68k's running GNU/Linux diff --git a/package/gcc/6.1.0/891-fix-m68k-uclinux.patch b/package/gcc/6.1.0/891-fix-m68k-uclinux.patch new file mode 100644 index 0000000000..754aa74e88 --- /dev/null +++ b/package/gcc/6.1.0/891-fix-m68k-uclinux.patch @@ -0,0 +1,18 @@ +avoids internal compiler error while compiling linux-atomic.c +See here: +https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53833 + +Signed-off-by: Waldemar Brodkorb + +diff -Nur gcc-6.1.0.orig/libgcc/config.host gcc-6.1.0/libgcc/config.host +--- gcc-6.1.0.orig/libgcc/config.host 2016-02-26 21:02:28.000000000 +0100 ++++ gcc-6.1.0/libgcc/config.host 2016-04-29 09:18:40.377989160 +0200 +@@ -812,7 +812,7 @@ + m68k*-*-openbsd*) + ;; + m68k-*-uclinux*) # Motorola m68k/ColdFire running uClinux with uClibc +- tmake_file="$tmake_file m68k/t-floatlib m68k/t-linux" ++ tmake_file="$tmake_file m68k/t-floatlib" + md_unwind_header=m68k/linux-unwind.h + ;; + m68k-*-linux*) # Motorola m68k's running GNU/Linux diff --git a/package/gcc/gcc-final/gcc-final.mk b/package/gcc/gcc-final/gcc-final.mk index 69fdc0c059..1d1d72e6e7 100644 --- a/package/gcc/gcc-final/gcc-final.mk +++ b/package/gcc/gcc-final/gcc-final.mk @@ -125,6 +125,15 @@ endef HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_FINAL_LD_LINUX_LINK endif +# coldfire is not working without removing these object files from libgcc.a +ifeq ($(BR2_m68k_cf),y) +define HOST_GCC_FINAL_M68K_LIBGCC_FIXUP + find $(STAGING_DIR) -name libgcc.a -print | \ + while read t; do $(GNU_TARGET_NAME)-ar dv "$t" _ctors.o; done +endef +HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_FINAL_M68K_LIBGCC_FIXUP +endif + # Cannot use the HOST_GCC_FINAL_USR_LIBS mechanism below, because we want # libgcc_s to be installed in /lib and not /usr/lib. define HOST_GCC_FINAL_INSTALL_LIBGCC diff --git a/package/uclibc/uclibc.mk b/package/uclibc/uclibc.mk index 0dfb454f54..b8ccee2cc8 100644 --- a/package/uclibc/uclibc.mk +++ b/package/uclibc/uclibc.mk @@ -100,6 +100,21 @@ endif endif # arm +# +# m68k/coldfire definitions +# + +ifeq ($(UCLIBC_TARGET_ARCH),m68k) + +# disable DOPIC for flat without separate data +ifeq ($(BR2_BINFMT_FLAT_ONE),y) +define UCLIBC_M68K_BINFMT_FLAT + $(call KCONFIG_DISABLE_OPT,DOPIC,$(@D)/.config) +endef +endif + +endif # m68k/coldfire + # # MIPS definitions # @@ -372,6 +387,7 @@ define UCLIBC_KCONFIG_FIXUP_CMDS $(UCLIBC_ARM_ABI_CONFIG) $(UCLIBC_ARM_BINFMT_FLAT) $(UCLIBC_ARM_NO_CONTEXT_FUNCS) + $(UCLIBC_M68K_BINFMT_FLAT) $(UCLIBC_MIPS_ABI_CONFIG) $(UCLIBC_MIPS_ISA_CONFIG) $(UCLIBC_SH_TYPE_CONFIG)