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Unverified Commit 7e280f6b authored by Jiaxun Yang's avatar Jiaxun Yang Committed by Paul Burton
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MIPS: Loongson32: Revert ISA level to MIPS32R2 



GS232 core have implemented all necessary mips32r2 instructions.
Serval missing FP instructions can be emulated by kernel.

The issue of di instruction have been solved.
Thus we revert the ISA level back to MIPS32R2.

Signed-off-by: default avatarJiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: default avatarPaul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: keguang.zhang@gmail.com
parent bdea8bb1

arch/mips/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -1864,7 +1864,7 @@ config CPU_LOONGSON2 
config CPU_LOONGSON1

	bool

	select CPU_MIPS32

	select CPU_MIPSR1

	select CPU_MIPSR2

	select CPU_HAS_PREFETCH

	select CPU_HAS_LOAD_STORE_LR

	select CPU_SUPPORTS_32BIT_KERNEL

arch/mips/loongson32/Platform

+1 −1
Original line number Diff line number Diff line 
cflags-$(CONFIG_CPU_LOONGSON1)		+= -march=mips32 -Wa,--trap

cflags-$(CONFIG_CPU_LOONGSON1)		+= -march=mips32r2 -Wa,--trap

platform-$(CONFIG_MACH_LOONGSON32)	+= loongson32/

cflags-$(CONFIG_MACH_LOONGSON32)	+= -I$(srctree)/arch/mips/include/asm/mach-loongson32

load-$(CONFIG_CPU_LOONGSON1)		+= 0xffffffff80200000