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Remove support for the NDS32 architecture 

The support for this architecture has been removed from the upstream
Linux kernel, as of commit:

  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=aec499c75cf8e0b599be4d559e6922b613085f8f

Which states:

  The nds32 architecture, also known as AndeStar V3, is a custom
  32-bit RISC target designed by Andes Technologies. Support was added
  to the kernel in 2016 as the replacement RISC-V based V5 processors
  were already announced, and maintained by (current or former) Andes
  employees.

  As explained by Alan Kao, new customers are now all using RISC-V,
  and all known nds32 users are already on longterm stable kernels
  provided by Andes, with no development work going into mainline
  support any more.

There has also been little to no maintenance done in Buildroot for
this architecture in recent times, so let's follow the Linux kernel
community decision and drop support for this CPU architecture.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Reviewed-by: Yu Chien Peter Lin <peterlin@andestech.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
2022.08.x
Thomas Petazzoni 2022-06-07 22:59:20 +02:00 committed by Arnout Vandecappelle (Essensium/Mind)
parent 18a6a38394
commit 793ee1011e
13 changed files with 14 additions and 41 deletions
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10
Config.in.legacy
View File

@ -152,6 +152,16 @@ config BR2_PACKAGE_PHP_EXT_WDDX
help
The WDDX extension was removed from php.
comment "Legacy options removed in 2022.08"
config BR2_nds32
bool "nds32 architecture removed"
select BR2_LEGACY
help
Support for the nds32 architecture has been removed, due to
its support being removed from the upstream Linux kernel,
and its lack of maintenance in Buildroot.
comment "Legacy options removed in 2022.05"
config BR2_PACKAGE_KTAP

1
DEVELOPERS
View File

@ -2172,7 +2172,6 @@ F: package/systemd/
F: package/tcf-agent/
N: Yu Chien Peter Lin <peterlin@andestech.com>
F: arch/Config.in.nds32
F: board/andes
F: configs/andes_ae350_45_defconfig

12
arch/Config.in
View File

@ -153,14 +153,6 @@ config BR2_mips64el
http://www.mips.com/
http://en.wikipedia.org/wiki/MIPS_Technologies
config BR2_nds32
bool "nds32"
select BR2_ARCH_HAS_NO_TOOLCHAIN_BUILDROOT
select BR2_ARCH_HAS_MMU_MANDATORY
help
nds32 is a 32-bit architecture developed by Andes Technology.
https://en.wikipedia.org/wiki/Andes_Technology
config BR2_nios2
bool "Nios II"
select BR2_ARCH_HAS_MMU_MANDATORY
@ -449,10 +441,6 @@ if BR2_mips || BR2_mips64 || BR2_mipsel || BR2_mips64el
source "arch/Config.in.mips"
endif
if BR2_nds32
source "arch/Config.in.nds32"
endif
if BR2_nios2
source "arch/Config.in.nios2"
endif

17
arch/Config.in.nds32
View File

@ -1,17 +0,0 @@
config BR2_ARCH
default "nds32le"
config BR2_NORMALIZED_ARCH
default "nds32"
config BR2_GCC_TARGET_ARCH
default "v3"
config BR2_ENDIAN
default "LITTLE"
config BR2_READELF_ARCH_NAME
default "Andes Technology compact code size embedded RISC processor family"
# vim: ft=kconfig
# -*- mode:kconfig; -*-

2
docs/manual/known-issues.txt
View File

@ -7,7 +7,7 @@
if such options contain a +$+ sign. For example, the following is known
to break: +BR2_TARGET_LDFLAGS="-Wl,-rpath=\'$ORIGIN/../lib'"+
* The +libffi+ package is not supported on the SuperH 2, nds32, and ARMv7-M
* The +libffi+ package is not supported on the SuperH 2 and ARMv7-M
architectures.
* The +prboom+ package triggers a compiler failure with the SuperH 4

1
package/dhcpcd/Config.in
View File

@ -20,7 +20,6 @@ config BR2_PACKAGE_DHCPCD_ENABLE_PRIVSEP
BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_2
depends on !(BR2_microblazeel || BR2_microblazebe) || \
BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_18
depends on !BR2_nds32 || BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_2
depends on !BR2_nios2 || BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_2
depends on !BR2_or1k || BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7
depends on !BR2_sh || BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7

1
package/gdb/Config.in
View File

@ -4,7 +4,6 @@ config BR2_PACKAGE_GDB_ARCH_SUPPORTS
depends on !((BR2_arm || BR2_armeb) && BR2_BINFMT_FLAT)
depends on !BR2_microblaze
depends on !BR2_or1k
depends on !BR2_nds32
comment "gdb/gdbserver needs a toolchain w/ threads, threads debug"
depends on BR2_PACKAGE_GDB_ARCH_SUPPORTS

1
package/gdb/Config.in.host
View File

@ -4,7 +4,6 @@ config BR2_PACKAGE_HOST_GDB_ARCH_SUPPORTS
depends on !((BR2_arm || BR2_armeb) && BR2_BINFMT_FLAT)
depends on !BR2_microblaze
depends on !BR2_or1k
depends on !BR2_nds32
comment "Host GDB Options"
depends on !BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY

1
package/libbsd/Config.in
View File

@ -5,7 +5,6 @@ config BR2_PACKAGE_LIBBSD_ARCH_SUPPORTS
depends on !BR2_microblaze
depends on !BR2_arc
depends on !BR2_xtensa
depends on !BR2_nds32
config BR2_PACKAGE_LIBBSD
bool "libbsd"

2
package/postgresql/postgresql.mk
View File

@ -42,7 +42,7 @@ ifneq ($(BR2_TOOLCHAIN_HAS_THREADS_NPTL),y)
POSTGRESQL_CONF_OPTS += --disable-thread-safety
endif
ifeq ($(BR2_arcle)$(BR2_arceb)$(BR2_microblazeel)$(BR2_microblazebe)$(BR2_or1k)$(BR2_nios2)$(BR2_riscv)$(BR2_xtensa)$(BR2_nds32),y)
ifeq ($(BR2_arcle)$(BR2_arceb)$(BR2_microblazeel)$(BR2_microblazebe)$(BR2_or1k)$(BR2_nios2)$(BR2_riscv)$(BR2_xtensa),y)
POSTGRESQL_CONF_OPTS += --disable-spinlocks
endif

2
package/strace/Config.in
View File

@ -4,7 +4,7 @@ config BR2_PACKAGE_STRACE
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_0 || !BR2_nios2
# needs at least kernel headers 5.0 on xtensa
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0 || !BR2_xtensa
depends on !BR2_nds32 && !BR2_RISCV_32
depends on !BR2_RISCV_32
help
A useful diagnostic, instructional, and debugging tool.
Allows you to track what system calls a program makes

2
package/uclibc-ng-test/uclibc-ng-test.mk
View File

@ -39,7 +39,7 @@ ifeq ($(BR2_STATIC_LIBS),y)
UCLIBC_NG_TEST_MAKE_ENV += NO_TLS=1 NO_NPTL=1 NO_DL=1
endif
# no TLS macros available
ifeq ($(BR2_nds32)$(BR2_s390x),y)
ifeq ($(BR2_s390x),y)
UCLIBC_NG_TEST_MAKE_ENV += NO_TLS=1
endif

3
utils/genrandconfig
View File

@ -246,9 +246,6 @@ def fixup_config(sysinfo, configfile):
if 'BR2_ARM_CPU_ARMV7M=y\n' in configlines and \
'BR2_PACKAGE_LIBFFI=y\n' in configlines:
return False
if 'BR2_nds32=y\n' in configlines and \
'BR2_PACKAGE_LIBFFI=y\n' in configlines:
return False
if 'BR2_PACKAGE_SUNXI_BOARDS=y\n' in configlines:
configlines.remove('BR2_PACKAGE_SUNXI_BOARDS_FEX_FILE=""\n')
configlines.append('BR2_PACKAGE_SUNXI_BOARDS_FEX_FILE="a10/hackberry.fex"\n')