toolchain: add coldfire support
Add support for m68k/coldfire. A gcc patch is required to avoid gcc ICE. 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
Thomas Petazzoni
parent
e7a682be31
commit
015322fccb
@ -94,7 +94,7 @@ config BR2_i386
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config BR2_m68k
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bool "m68k"
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select BR2_ARCH_HAS_MMU_MANDATORY
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# MMU support is set by the subarchitecture file, arch/Config.in.m68k
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help
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Motorola 68000 family microprocessor
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http://en.wikipedia.org/wiki/M68k
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@ -4,6 +4,14 @@ config BR2_ARCH
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config BR2_ENDIAN
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default "BIG"
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# symbols used to distinguish between m68k and coldfire
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# for gcc multilib
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config BR2_m68k_m68k
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bool
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config BR2_m68k_cf
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bool
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# coldfire variants will be added later
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choice
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prompt "Target CPU"
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@ -14,8 +22,20 @@ choice
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config BR2_m68k_68040
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bool "68040"
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select BR2_m68k_m68k
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select BR2_ARCH_HAS_MMU_MANDATORY
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config BR2_m68k_cf5208
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bool "5208"
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select BR2_m68k_cf
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select BR2_SOFT_FLOAT
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endchoice
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config BR2_GCC_TARGET_CPU
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default "68040" if BR2_m68k_68040
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default "5208" if BR2_m68k_cf5208
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config BR2_GCC_TARGET_ARCH
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default "m68k" if BR2_m68k_m68k
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default "cf" if BR2_m68k_cf
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18
package/gcc/4.8.5/891-fix-m68k-uclinux.patch
Normal file
18
package/gcc/4.8.5/891-fix-m68k-uclinux.patch
Normal file
@ -0,0 +1,18 @@
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avoids internal compiler error while compiling linux-atomic.c
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See here:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53833
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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diff -Nur gcc-4.8.5.orig/libgcc/config.host gcc-4.8.5/libgcc/config.host
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--- gcc-4.8.5.orig/libgcc/config.host 2014-03-20 17:12:30.000000000 +0100
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+++ gcc-4.8.5/libgcc/config.host 2016-04-27 15:04:01.521171537 +0200
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@@ -689,7 +689,7 @@
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m68k*-*-openbsd*)
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;;
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m68k-*-uclinux*) # Motorola m68k/ColdFire running uClinux with uClibc
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- tmake_file="$tmake_file m68k/t-floatlib m68k/t-linux"
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+ tmake_file="$tmake_file m68k/t-floatlib"
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md_unwind_header=m68k/linux-unwind.h
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;;
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m68k-*-linux*) # Motorola m68k's running GNU/Linux
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18
package/gcc/4.9.3/891-fix-m68k-uclinux.patch
Normal file
18
package/gcc/4.9.3/891-fix-m68k-uclinux.patch
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@ -0,0 +1,18 @@
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avoids internal compiler error while compiling linux-atomic.c
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See here:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53833
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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diff -Nur gcc-4.9.3.orig/libgcc/config.host gcc-4.9.3/libgcc/config.host
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--- gcc-4.9.3.orig/libgcc/config.host 2014-03-27 16:40:31.000000000 +0100
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+++ gcc-4.9.3/libgcc/config.host 2016-04-05 16:20:53.422809885 +0200
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@@ -750,7 +750,7 @@
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m68k*-*-openbsd*)
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;;
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m68k-*-uclinux*) # Motorola m68k/ColdFire running uClinux with uClibc
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- tmake_file="$tmake_file m68k/t-floatlib m68k/t-linux"
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+ tmake_file="$tmake_file m68k/t-floatlib"
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md_unwind_header=m68k/linux-unwind.h
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;;
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m68k-*-linux*) # Motorola m68k's running GNU/Linux
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18
package/gcc/5.3.0/891-fix-m68k-uclinux.patch
Normal file
18
package/gcc/5.3.0/891-fix-m68k-uclinux.patch
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@ -0,0 +1,18 @@
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avoids internal compiler error while compiling linux-atomic.c
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See here:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53833
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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diff -Nur gcc-5.3.0.orig/libgcc/config.host gcc-5.3.0/libgcc/config.host
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--- gcc-5.3.0.orig/libgcc/config.host 2015-10-01 14:01:18.000000000 +0200
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+++ gcc-5.3.0/libgcc/config.host 2016-04-26 21:30:25.353691745 +0200
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@@ -794,7 +794,7 @@
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m68k*-*-openbsd*)
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;;
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m68k-*-uclinux*) # Motorola m68k/ColdFire running uClinux with uClibc
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- tmake_file="$tmake_file m68k/t-floatlib m68k/t-linux"
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+ tmake_file="$tmake_file m68k/t-floatlib"
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md_unwind_header=m68k/linux-unwind.h
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;;
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m68k-*-linux*) # Motorola m68k's running GNU/Linux
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18
package/gcc/6.1.0/891-fix-m68k-uclinux.patch
Normal file
18
package/gcc/6.1.0/891-fix-m68k-uclinux.patch
Normal file
@ -0,0 +1,18 @@
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avoids internal compiler error while compiling linux-atomic.c
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See here:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53833
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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diff -Nur gcc-6.1.0.orig/libgcc/config.host gcc-6.1.0/libgcc/config.host
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--- gcc-6.1.0.orig/libgcc/config.host 2016-02-26 21:02:28.000000000 +0100
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+++ gcc-6.1.0/libgcc/config.host 2016-04-29 09:18:40.377989160 +0200
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@@ -812,7 +812,7 @@
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m68k*-*-openbsd*)
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;;
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m68k-*-uclinux*) # Motorola m68k/ColdFire running uClinux with uClibc
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- tmake_file="$tmake_file m68k/t-floatlib m68k/t-linux"
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+ tmake_file="$tmake_file m68k/t-floatlib"
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md_unwind_header=m68k/linux-unwind.h
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;;
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m68k-*-linux*) # Motorola m68k's running GNU/Linux
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@ -125,6 +125,15 @@ endef
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HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_FINAL_LD_LINUX_LINK
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endif
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# coldfire is not working without removing these object files from libgcc.a
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ifeq ($(BR2_m68k_cf),y)
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define HOST_GCC_FINAL_M68K_LIBGCC_FIXUP
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find $(STAGING_DIR) -name libgcc.a -print | \
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while read t; do $(GNU_TARGET_NAME)-ar dv "$t" _ctors.o; done
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endef
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HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_FINAL_M68K_LIBGCC_FIXUP
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endif
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# Cannot use the HOST_GCC_FINAL_USR_LIBS mechanism below, because we want
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# libgcc_s to be installed in /lib and not /usr/lib.
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define HOST_GCC_FINAL_INSTALL_LIBGCC
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@ -100,6 +100,21 @@ endif
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endif # arm
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#
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# m68k/coldfire definitions
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#
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ifeq ($(UCLIBC_TARGET_ARCH),m68k)
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# disable DOPIC for flat without separate data
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ifeq ($(BR2_BINFMT_FLAT_ONE),y)
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define UCLIBC_M68K_BINFMT_FLAT
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$(call KCONFIG_DISABLE_OPT,DOPIC,$(@D)/.config)
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endef
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endif
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endif # m68k/coldfire
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#
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# MIPS definitions
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#
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@ -372,6 +387,7 @@ define UCLIBC_KCONFIG_FIXUP_CMDS
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$(UCLIBC_ARM_ABI_CONFIG)
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$(UCLIBC_ARM_BINFMT_FLAT)
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$(UCLIBC_ARM_NO_CONTEXT_FUNCS)
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$(UCLIBC_M68K_BINFMT_FLAT)
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$(UCLIBC_MIPS_ABI_CONFIG)
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$(UCLIBC_MIPS_ISA_CONFIG)
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$(UCLIBC_SH_TYPE_CONFIG)
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