diff options
Diffstat (limited to 'arch/nds32/kernel/ex-exit.S')
| -rw-r--r-- | arch/nds32/kernel/ex-exit.S | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/nds32/kernel/ex-exit.S b/arch/nds32/kernel/ex-exit.S index f00af92f7e22..97ba15cd4180 100644 --- a/arch/nds32/kernel/ex-exit.S +++ b/arch/nds32/kernel/ex-exit.S @@ -8,6 +8,7 @@ #include <asm/asm-offsets.h> #include <asm/thread_info.h> #include <asm/current.h> +#include <asm/fpu.h> @@ -22,10 +23,18 @@ .macro restore_user_regs_first setgie.d isb - +#if defined(CONFIG_FPU) + addi $sp, $sp, OSP_OFFSET + lmw.adm $r12, [$sp], $r25, #0x0 + sethi $p0, hi20(has_fpu) + lbsi $p0, [$p0+lo12(has_fpu)] + beqz $p0, 2f + mtsr $r25, $FUCOP_CTL +2: +#else addi $sp, $sp, FUCOP_CTL_OFFSET - lmw.adm $r12, [$sp], $r24, #0x0 +#endif mtsr $r12, $SP_USR mtsr $r13, $IPC #ifdef CONFIG_HWZOL |