system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-07-22 19:21:07 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

MIPS: Loongson32: Revert ISA level to MIPS32R2

Browse source 
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: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: keguang.zhang@gmail.com
This commit is contained in:
Jiaxun Yang 2019-01-22 21:04:12 +08:00 committed by Paul Burton
parent bdea8bb163
commit 7e280f6b05
No known key found for this signature in database
GPG key ID: 3EA79FACB57500DD
2 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/mips/Kconfig
View file

@ -1864,7 +1864,7 @@ config CPU_LOONGSON2
config CPU_LOONGSON1 config CPU_LOONGSON1
bool bool
select CPU_MIPS32 select CPU_MIPS32
select CPU_MIPSR1 select CPU_MIPSR2
select CPU_HAS_PREFETCH select CPU_HAS_PREFETCH
select CPU_HAS_LOAD_STORE_LR select CPU_HAS_LOAD_STORE_LR
select CPU_SUPPORTS_32BIT_KERNEL select CPU_SUPPORTS_32BIT_KERNEL

2
arch/mips/loongson32/Platform
View file

@ -1,4 +1,4 @@
cflags-$(CONFIG_CPU_LOONGSON1) += -march=mips32 -Wa,--trap cflags-$(CONFIG_CPU_LOONGSON1) += -march=mips32r2 -Wa,--trap
platform-$(CONFIG_MACH_LOONGSON32) += loongson32/ platform-$(CONFIG_MACH_LOONGSON32) += loongson32/
cflags-$(CONFIG_MACH_LOONGSON32) += -I$(srctree)/arch/mips/include/asm/mach-loongson32 cflags-$(CONFIG_MACH_LOONGSON32) += -I$(srctree)/arch/mips/include/asm/mach-loongson32
load-$(CONFIG_CPU_LOONGSON1) += 0xffffffff80200000 load-$(CONFIG_CPU_LOONGSON1) += 0xffffffff80200000