toolchain-buildroot: add bfin support

With gcc 6.1.0 and binutils 2.26 internal bfin toolchain can be used. A
gcc patch is required, which was reported upstream.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/package/binutils/Config.in.host b/package/binutils/Config.in.host
index 583aaad2a6579e97c1a50a38531af01737356923..a606cc922c4d3a51f2b227d3d11192cee876c849 100644 (file)
--- a/package/binutils/Config.in.host
+++ b/package/binutils/Config.in.host
@@ -8,8 +8,8 @@ choice
          Select the version of binutils you wish to use.
 
        config BR2_BINUTILS_VERSION_2_24_X
-               # supported, but broken on Nios-II and powerpc64le
-               depends on !BR2_nios2 && !BR2_powerpc64le
+               # supported, but broken on Nios-II, Blackfin and powerpc64le
+               depends on !BR2_nios2 && !BR2_powerpc64le && !BR2_bfin
                # Unsupported for MIPS R6
                depends on !BR2_mips_32r6 && !BR2_mips_64r6
                # Unsupported ARM cores
@@ -18,6 +18,8 @@ choice
 
        config BR2_BINUTILS_VERSION_2_25_X
                bool "binutils 2.25.1"
+               # supported but broken on Blackfin
+               depends on !BR2_bfin
 
        config BR2_BINUTILS_VERSION_2_26_X
                bool "binutils 2.26.1"

diff --git a/package/gcc/6.1.0/892-disable-dwarf-bfin.patch b/package/gcc/6.1.0/892-disable-dwarf-bfin.patch
new file mode 100644 (file)
index 0000000..ebd31a1
--- /dev/null
+++ b/package/gcc/6.1.0/892-disable-dwarf-bfin.patch
@@ -0,0 +1,24 @@
+Dwarf support does not compile on Blackfin
+
+Reported upstream:
+https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68468
+
+Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
+
+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       2016-05-12 19:26:30.973350274 +0200
+@@ -230,6 +230,13 @@
+       ;;
+   esac
+   ;;
++bfin-*-*linux*)
++  tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-slibgcc t-slibgcc-gld t-slibgcc-elf-ver t-linux"
++  extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
++  if test x$enable_vtable_verify = xyes; then
++    extra_parts="$extra_parts vtv_start.o vtv_end.o vtv_start_preinit.o vtv_end_preinit.o"
++  fi
++  ;;
+ *-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu)
+   tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-eh-dw2-dip t-slibgcc t-slibgcc-gld t-slibgcc-elf-ver t-linux"
+   extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"

diff --git a/package/gcc/Config.in.host b/package/gcc/Config.in.host
index d69175222c066d7ca60e21d459b89ecbd9a15de3..dbabce8bc7b937d01c9b116bc3f16a9cd4eaf7a0 100644 (file)
--- a/package/gcc/Config.in.host
+++ b/package/gcc/Config.in.host
@@ -18,7 +18,7 @@ choice
                depends on BR2_DEPRECATED_SINCE_2016_05
                # Broken or unsupported architectures
                depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc \
-                       && !BR2_powerpc64le && !BR2_nios2
+                       && !BR2_powerpc64le && !BR2_nios2 && !BR2_bfin
                # Broken or unsupported ARM cores
                depends on !BR2_cortex_a12 && !BR2_pj4 && !BR2_cortex_a17
                # Broken or unsupported PPC cores
@@ -37,7 +37,7 @@ choice
                bool "gcc 4.8.x"
                # Broken or unsupported architectures
                depends on !BR2_microblaze && !BR2_arc \
-                       && !BR2_powerpc64le && !BR2_nios2
+                       && !BR2_powerpc64le && !BR2_nios2 && !BR2_bfin
                # Broken or unsupported ARM cores
                depends on !BR2_cortex_a12 && !BR2_cortex_a17
                # Broken or unsupported PPC cores
@@ -61,7 +61,7 @@ choice
        config BR2_GCC_VERSION_4_9_X
                bool "gcc 4.9.x"
                # Broken or unsupported architectures
-               depends on !BR2_arc
+               depends on !BR2_arc && !BR2_bfin
                # Broken or unsupported ARM cores
                depends on !BR2_cortex_a17
                # Unsupported for MIPS R6
@@ -74,7 +74,7 @@ choice
        config BR2_GCC_VERSION_5_X
                bool "gcc 5.x"
                # Broken or unsupported architectures
-               depends on !BR2_arc
+               depends on !BR2_arc && !BR2_bfin
                select BR2_GCC_NEEDS_MPC
                select BR2_GCC_SUPPORTS_GRAPHITE
                select BR2_TOOLCHAIN_GCC_AT_LEAST_5

diff --git a/package/uclibc/Config.in b/package/uclibc/Config.in
index adcea3820c69aad2224be6de02deded4b8ff6e09..c0cb602ab1d4ec59669ff7b6c91f79cec13e2927 100644 (file)
--- a/package/uclibc/Config.in
+++ b/package/uclibc/Config.in
@@ -118,6 +118,7 @@ config BR2_UCLIBC_TARGET_ARCH
        string
        default "arc"      if BR2_arcle || BR2_arceb
        default "arm"      if BR2_arm   || BR2_armeb
+       default "bfin"     if BR2_bfin
        default "m68k"     if BR2_m68k
        default "microblaze"   if BR2_microblaze
        default "mips"     if BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el

diff --git a/toolchain/Config.in b/toolchain/Config.in
index e0044c14f84f6304eb9f42b12244e7c234ae4253..a7255566f878b8002c1ea00439c10d1135fa1b6a 100644 (file)
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -38,7 +38,6 @@ choice
 
 config BR2_TOOLCHAIN_BUILDROOT
        bool "Buildroot toolchain"
-       depends on !BR2_bfin
        select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS
 
 config BR2_TOOLCHAIN_EXTERNAL