arch/m68k: re-enable the architecture

This allows to build a m68k toolchain with uClibc.

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 2016-03-19 20:04:10 +01:00 committed by Thomas Petazzoni
parent e314205dad
commit 7ea0f64dc3
5 changed files with 59 additions and 7 deletions

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@ -95,7 +95,6 @@ config BR2_i386
config BR2_m68k
bool "m68k"
select BR2_ARCH_HAS_MMU_MANDATORY
depends on BROKEN # ice in uclibc / inet_ntoa_r
help
Motorola 68000 family microprocessor
http://en.wikipedia.org/wiki/M68k

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@ -4,10 +4,18 @@ config BR2_ARCH
config BR2_ENDIAN
default "BIG"
config BR2_GCC_TARGET_ARCH
default "68000" if BR2_m68k_68000
default "68010" if BR2_m68k_68010
default "68020" if BR2_m68k_68020
default "68030" if BR2_m68k_68030
# coldfire variants will be added later
choice
prompt "Target CPU"
depends on BR2_m68k
default BR2_m68k_68040
help
Specific CPU variant to use
config BR2_m68k_68040
bool "68040"
endchoice
config BR2_GCC_TARGET_CPU
default "68040" if BR2_m68k_68040
default "68060" if BR2_m68k_68060

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@ -0,0 +1,15 @@
remove unused header, which breaks the toolchain building
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
diff -Nur gcc-4.8.5.orig/libgcc/config/m68k/linux-atomic.c gcc-4.8.5/libgcc/config/m68k/linux-atomic.c
--- gcc-4.8.5.orig/libgcc/config/m68k/linux-atomic.c 2013-02-04 20:06:20.000000000 +0100
+++ gcc-4.8.5/libgcc/config/m68k/linux-atomic.c 2016-03-19 00:18:12.000000000 +0100
@@ -33,7 +33,6 @@
using the kernel helper defined below. There is no support for
64-bit operations yet. */
-#include <asm/unistd.h>
#include <stdbool.h>
#ifndef __NR_atomic_cmpxchg_32

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@ -0,0 +1,15 @@
remove unused header, which breaks the toolchain building
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
diff -Nur gcc-4.9.3.orig/libgcc/config/m68k/linux-atomic.c gcc-4.9.3/libgcc/config/m68k/linux-atomic.c
--- gcc-4.9.3.orig/libgcc/config/m68k/linux-atomic.c 2014-01-02 23:25:22.000000000 +0100
+++ gcc-4.9.3/libgcc/config/m68k/linux-atomic.c 2016-03-18 22:24:40.000000000 +0100
@@ -33,7 +33,6 @@
using the kernel helper defined below. There is no support for
64-bit operations yet. */
-#include <asm/unistd.h>
#include <stdbool.h>
#ifndef __NR_atomic_cmpxchg_32

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@ -0,0 +1,15 @@
remove unused header, which breaks the toolchain building
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
diff -Nur gcc-5.3.0.orig/libgcc/config/m68k/linux-atomic.c gcc-5.3.0/libgcc/config/m68k/linux-atomic.c
--- gcc-5.3.0.orig/libgcc/config/m68k/linux-atomic.c 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/libgcc/config/m68k/linux-atomic.c 2016-03-19 09:25:07.000000000 +0100
@@ -33,7 +33,6 @@
using the kernel helper defined below. There is no support for
64-bit operations yet. */
-#include <asm/unistd.h>
#include <stdbool.h>
#ifndef __NR_atomic_cmpxchg_32