diff options
Diffstat (limited to 'arch/loongarch/kernel/fpu.S')
| -rw-r--r-- | arch/loongarch/kernel/fpu.S | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/loongarch/kernel/fpu.S b/arch/loongarch/kernel/fpu.S index 4382e36ae3d4..28caf416ae36 100644 --- a/arch/loongarch/kernel/fpu.S +++ b/arch/loongarch/kernel/fpu.S @@ -15,6 +15,7 @@ #include <asm/fpregdef.h> #include <asm/loongarch.h> #include <asm/regdef.h> +#include <asm/unwind_hints.h> #define FPU_REG_WIDTH 8 #define LSX_REG_WIDTH 16 @@ -457,6 +458,7 @@ SYM_FUNC_START(_save_fp_context) li.w a0, 0 # success jr ra SYM_FUNC_END(_save_fp_context) +EXPORT_SYMBOL_GPL(_save_fp_context) /* * a0: fpregs @@ -470,6 +472,7 @@ SYM_FUNC_START(_restore_fp_context) li.w a0, 0 # success jr ra SYM_FUNC_END(_restore_fp_context) +EXPORT_SYMBOL_GPL(_restore_fp_context) /* * a0: fpregs @@ -483,6 +486,7 @@ SYM_FUNC_START(_save_lsx_context) li.w a0, 0 # success jr ra SYM_FUNC_END(_save_lsx_context) +EXPORT_SYMBOL_GPL(_save_lsx_context) /* * a0: fpregs @@ -496,6 +500,7 @@ SYM_FUNC_START(_restore_lsx_context) li.w a0, 0 # success jr ra SYM_FUNC_END(_restore_lsx_context) +EXPORT_SYMBOL_GPL(_restore_lsx_context) /* * a0: fpregs @@ -509,6 +514,7 @@ SYM_FUNC_START(_save_lasx_context) li.w a0, 0 # success jr ra SYM_FUNC_END(_save_lasx_context) +EXPORT_SYMBOL_GPL(_save_lasx_context) /* * a0: fpregs @@ -522,7 +528,18 @@ SYM_FUNC_START(_restore_lasx_context) li.w a0, 0 # success jr ra SYM_FUNC_END(_restore_lasx_context) +EXPORT_SYMBOL_GPL(_restore_lasx_context) .L_fpu_fault: li.w a0, -EFAULT # failure jr ra + +#ifdef CONFIG_CPU_HAS_LBT +STACK_FRAME_NON_STANDARD _restore_fp +#ifdef CONFIG_CPU_HAS_LSX +STACK_FRAME_NON_STANDARD _restore_lsx +#endif +#ifdef CONFIG_CPU_HAS_LASX +STACK_FRAME_NON_STANDARD _restore_lasx +#endif +#endif |