diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-06-03 10:23:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-06-03 10:23:41 -0700 |
| commit | 30d1d92a888d03681b927c76a35181b4eed7071f (patch) | |
| tree | 8a1d452bd9c13d9edaa8f86ff9355f663ea9ec55 /arch/nds32/include/asm | |
| parent | 01e7a841b4346836f19b40677e1fef4657cc0d0d (diff) | |
| parent | 932296120543149e3397af252e7daee7af37eb05 (diff) | |
| download | linux-30d1d92a888d03681b927c76a35181b4eed7071f.tar.bz2 | |
Merge tag 'nds32-for-linux-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux
Pull nds32 fixes from Greentime Hu:
- fix warning for math-emu
- fix nds32 fpu exception handling
- fix nds32 fpu emulation implementation
* tag 'nds32-for-linux-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux:
nds32: add new emulations for floating point instruction
nds32: Avoid IEX status being incorrectly modified
math-emu: Use statement expressions to fix Wshift-count-overflow warning
Diffstat (limited to 'arch/nds32/include/asm')
| -rw-r--r-- | arch/nds32/include/asm/bitfield.h | 2 | ||||
| -rw-r--r-- | arch/nds32/include/asm/fpu.h | 2 | ||||
| -rw-r--r-- | arch/nds32/include/asm/fpuemu.h | 12 | ||||
| -rw-r--r-- | arch/nds32/include/asm/syscalls.h | 2 |
4 files changed, 15 insertions, 3 deletions
diff --git a/arch/nds32/include/asm/bitfield.h b/arch/nds32/include/asm/bitfield.h index e75212c76b20..b02a58e71f80 100644 --- a/arch/nds32/include/asm/bitfield.h +++ b/arch/nds32/include/asm/bitfield.h @@ -937,7 +937,7 @@ #define FPCSR_mskDNIT ( 0x1 << FPCSR_offDNIT ) #define FPCSR_mskRIT ( 0x1 << FPCSR_offRIT ) #define FPCSR_mskALL (FPCSR_mskIVO | FPCSR_mskDBZ | FPCSR_mskOVF | FPCSR_mskUDF | FPCSR_mskIEX) -#define FPCSR_mskALLE_NO_UDFE (FPCSR_mskIVOE | FPCSR_mskDBZE | FPCSR_mskOVFE | FPCSR_mskIEXE) +#define FPCSR_mskALLE_NO_UDF_IEXE (FPCSR_mskIVOE | FPCSR_mskDBZE | FPCSR_mskOVFE) #define FPCSR_mskALLE (FPCSR_mskIVOE | FPCSR_mskDBZE | FPCSR_mskOVFE | FPCSR_mskUDFE | FPCSR_mskIEXE) #define FPCSR_mskALLT (FPCSR_mskIVOT | FPCSR_mskDBZT | FPCSR_mskOVFT | FPCSR_mskUDFT | FPCSR_mskIEXT |FPCSR_mskDNIT | FPCSR_mskRIT) diff --git a/arch/nds32/include/asm/fpu.h b/arch/nds32/include/asm/fpu.h index 019f1bcfc5ee..8294ed4aaa2c 100644 --- a/arch/nds32/include/asm/fpu.h +++ b/arch/nds32/include/asm/fpu.h @@ -36,7 +36,7 @@ extern int do_fpuemu(struct pt_regs *regs, struct fpu_struct *fpu); * enabled by default and kerenl will re-execute it by fpu emulator * when getting underflow exception. */ -#define FPCSR_INIT FPCSR_mskUDFE +#define FPCSR_INIT (FPCSR_mskUDFE | FPCSR_mskIEXE) #else #define FPCSR_INIT 0x0UL #endif diff --git a/arch/nds32/include/asm/fpuemu.h b/arch/nds32/include/asm/fpuemu.h index c4bd0c7faa75..63e7ef5f7969 100644 --- a/arch/nds32/include/asm/fpuemu.h +++ b/arch/nds32/include/asm/fpuemu.h @@ -13,6 +13,12 @@ void fsubs(void *ft, void *fa, void *fb); void fmuls(void *ft, void *fa, void *fb); void fdivs(void *ft, void *fa, void *fb); void fs2d(void *ft, void *fa); +void fs2si(void *ft, void *fa); +void fs2si_z(void *ft, void *fa); +void fs2ui(void *ft, void *fa); +void fs2ui_z(void *ft, void *fa); +void fsi2s(void *ft, void *fa); +void fui2s(void *ft, void *fa); void fsqrts(void *ft, void *fa); void fnegs(void *ft, void *fa); int fcmps(void *ft, void *fa, void *fb, int cop); @@ -26,6 +32,12 @@ void fmuld(void *ft, void *fa, void *fb); void fdivd(void *ft, void *fa, void *fb); void fsqrtd(void *ft, void *fa); void fd2s(void *ft, void *fa); +void fd2si(void *ft, void *fa); +void fd2si_z(void *ft, void *fa); +void fd2ui(void *ft, void *fa); +void fd2ui_z(void *ft, void *fa); +void fsi2d(void *ft, void *fa); +void fui2d(void *ft, void *fa); void fnegd(void *ft, void *fa); int fcmpd(void *ft, void *fa, void *fb, int cop); diff --git a/arch/nds32/include/asm/syscalls.h b/arch/nds32/include/asm/syscalls.h index f3b16f602cb5..4e7216082a67 100644 --- a/arch/nds32/include/asm/syscalls.h +++ b/arch/nds32/include/asm/syscalls.h @@ -7,7 +7,7 @@ asmlinkage long sys_cacheflush(unsigned long addr, unsigned long len, unsigned int op); asmlinkage long sys_fadvise64_64_wrapper(int fd, int advice, loff_t offset, loff_t len); asmlinkage long sys_rt_sigreturn_wrapper(void); -asmlinkage long sys_udftrap(int option); +asmlinkage long sys_fp_udfiex_crtl(int cmd, int act); #include <asm-generic/syscalls.h> |