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| author | Guo Ren <ren_guo@c-sky.com> | 2019-02-19 05:32:41 +0100 |
|---|---|---|
| committer | Guo Ren <ren_guo@c-sky.com> | 2019-04-22 07:44:57 +0200 |
| commit | 3dfc242f11d792535db774613c6fd1df565c2137 (patch) | |
| tree | 1723b0239d2ca95e2b019efe53051a416d6a1733 /arch/csky | |
| parent | Linux 5.1-rc6 (diff) | |
| download | linux-3dfc242f11d792535db774613c6fd1df565c2137.tar.xz linux-3dfc242f11d792535db774613c6fd1df565c2137.zip | |
csky: Fixup vdsp&fpu issues in kernel
This fixup is continue to commit 35ff802af1c4 (csky: fixup remove
vdsp implement for kernel.) and in that patch I didn't finish the
job. We must forbid gcc to generate any vdsp & fpu instructions
and remove vdsp asm in memmove.S.
eg: For GCC it's -mcpu=ck860 and For AS it's -Wa,-mcpu=ck860fv
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Diffstat (limited to 'arch/csky')
| -rw-r--r-- | arch/csky/Makefile | 2 | ||||
| -rw-r--r-- | arch/csky/abiv2/memmove.S | 6 |
2 files changed, 2 insertions, 6 deletions
diff --git a/arch/csky/Makefile b/arch/csky/Makefile index 3607a6e8f66c..6b87f6c22ad6 100644 --- a/arch/csky/Makefile +++ b/arch/csky/Makefile @@ -36,7 +36,7 @@ endif ifneq ($(CSKYABI),) MCPU_STR = $(CPUTYPE)$(FPUEXT)$(VDSPEXT)$(TEEEXT) -KBUILD_CFLAGS += -mcpu=$(MCPU_STR) +KBUILD_CFLAGS += -mcpu=$(CPUTYPE) -Wa,-mcpu=$(MCPU_STR) KBUILD_CFLAGS += -DCSKYCPU_DEF_NAME=\"$(MCPU_STR)\" KBUILD_CFLAGS += -msoft-float -mdiv KBUILD_CFLAGS += -fno-tree-vectorize diff --git a/arch/csky/abiv2/memmove.S b/arch/csky/abiv2/memmove.S index b0c42ecf1889..5721e73ad3d8 100644 --- a/arch/csky/abiv2/memmove.S +++ b/arch/csky/abiv2/memmove.S @@ -35,11 +35,7 @@ ENTRY(memmove) .L_len_larger_16bytes: subi r1, 16 subi r0, 16 -#if defined(__CSKY_VDSPV2__) - vldx.8 vr0, (r1), r19 - PRE_BNEZAD (r18) - vstx.8 vr0, (r0), r19 -#elif defined(__CK860__) +#if defined(__CK860__) ldw r3, (r1, 12) stw r3, (r0, 12) ldw r3, (r1, 8) |