diff options
| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2023-04-04 11:33:47 +0200 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2023-04-05 09:45:09 +0200 |
| commit | 194a835210521282ad31e8f7047556318611f596 (patch) | |
| tree | a734dbf3552a0f6c3b3974714d5e562eb3a713b4 /arch/mips/loongson2ef | |
| parent | MIPS: Octeon: Allow CVMSEG to be disabled (diff) | |
| download | linux-194a835210521282ad31e8f7047556318611f596.tar.xz linux-194a835210521282ad31e8f7047556318611f596.zip | |
MIPS: Loongson: Move arch cflags to MIPS top level Makefile
Arch cflags should be independent to Platform.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/loongson2ef')
| -rw-r--r-- | arch/mips/loongson2ef/Platform | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/arch/mips/loongson2ef/Platform b/arch/mips/loongson2ef/Platform index c6f7a4b95997..d446b705fba4 100644 --- a/arch/mips/loongson2ef/Platform +++ b/arch/mips/loongson2ef/Platform @@ -2,41 +2,6 @@ # Loongson Processors' Support # -cflags-$(CONFIG_CPU_LOONGSON2EF) += -Wa,--trap -cflags-$(CONFIG_CPU_LOONGSON2E) += -march=loongson2e -cflags-$(CONFIG_CPU_LOONGSON2F) += -march=loongson2f -# -# Some versions of binutils, not currently mainline as of 2019/02/04, support -# an -mfix-loongson3-llsc flag which emits a sync prior to each ll instruction -# to work around a CPU bug (see __SYNC_loongson3_war in asm/sync.h for a -# description). -# -# We disable this in order to prevent the assembler meddling with the -# instruction that labels refer to, ie. if we label an ll instruction: -# -# 1: ll v0, 0(a0) -# -# ...then with the assembler fix applied the label may actually point at a sync -# instruction inserted by the assembler, and if we were using the label in an -# exception table the table would no longer contain the address of the ll -# instruction. -# -# Avoid this by explicitly disabling that assembler behaviour. If upstream -# binutils does not merge support for the flag then we can revisit & remove -# this later - for now it ensures vendor toolchains don't cause problems. -# -cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,) - -# Enable the workarounds for Loongson2f -ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS -cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa,-mfix-loongson2f-nop -cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa,-mfix-loongson2f-jump -endif - -# Some -march= flags enable MMI instructions, and GCC complains about that -# support being enabled alongside -msoft-float. Thus explicitly disable MMI. -cflags-y += $(call cc-option,-mno-loongson-mmi) - # # Loongson Machines' Support # |