riscv: compat: Add COMPAT Kbuild skeletal support

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Adds initial skeletal COMPAT Kbuild (Running 32bit U-mode on
64bit S-mode) support.
 - Setup kconfig & dummy functions for compiling.
 - Implement compat_start_thread by the way.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20220405071314.3225832-21-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

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Guo Ren 2022-04-05 15:13:14 +08:00 • committed by Palmer Dabbelt

parent 4608c15959

commit 9be8459298

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arch/riscv/Kconfig

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