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aa8a2dacf2
kumquat-buildroot/arch
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Thomas Petazzoni aa8a2dacf2 arch/Config.in.sh: fixup MMU selection 
BR2_sh selects BR2_ARCH_HAS_MMU_OPTIONAL, which means that it's up to
the user to decide whether he wants to use MMU or not on SuperH
platforms.

However:

 - On SH2A, there is no MMU at all, so being to select "Use MMU"
   doesn't make any sense.

 - On SH4, there is no support for *not* using the MMU, so disabling
   "Use MMU" will cause the build to fail.

In order to fix this, we move the MMU selection to arch/Config.in.sh:

 - BR2_sh2a selects nothing, so that it's always noMMU

 - BR2_sh4* select BR2_ARCH_HAS_MMU_MANDATORY so that the MMU is
   always used.

Fixes:

 http://autobuild.buildroot.net/results/f4d52cabee61ee0f234b03c1ec1bd02e85e7bb20/ (FLAT
 selected with sh4aeb)

 http://autobuild.buildroot.net/results/d1b1dfe449f82944bd48215da3cdffd05797e2e9/ (FLAT
 selected with sh4a)

 http://autobuild.buildroot.net/results/45bc90fd2dde7bb201d7f999db1a8024cf889a06/ (FLAT
 selected with sh4)

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
2022-04-24 10:28:53 +02:00
..
arch.mk arch: drop BR2_GCC_TARGET_CPU_REVISION option 2018-10-01 14:52:32 +02:00
arch.mk.arc arch/arc: explicitly set "max-page-size" for GNU LD 2019-12-25 22:09:52 +01:00
arch.mk.csky arch/csky: add support for the ck860 core 2019-05-31 22:59:57 +02:00
arch.mk.riscv arch: add support for RISC-V 32-bit (riscv32) architecture 2019-01-06 14:09:31 +01:00
arch.mk.xtensa arc/xtensa: store the Xtensa overlay in the per-package DL_DIR 2018-04-02 15:59:30 +02:00
Config.in arch/Config.in.sh: fixup MMU selection 2022-04-24 10:28:53 +02:00
Config.in.arc core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.arm core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.csky core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.m68k core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.microblaze core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.mips core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.nds32 core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.nios2 core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.or1k core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.powerpc arch/Config.in.powerpc: Add BR2_POWERPC_CPU_HAS_VSX 2022-04-14 21:37:23 +02:00
Config.in.riscv core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.s390x core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.sh arch/Config.in.sh: fixup MMU selection 2022-04-24 10:28:53 +02:00
Config.in.sparc core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.x86 core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00
Config.in.xtensa core: introduce NORMALIZED_ARCH as non-kernel replacement for KERNEL_ARCH 2022-02-08 21:20:23 +01:00