diff options
Diffstat (limited to 'arch/loongarch/kernel/switch.S')
| -rw-r--r-- | arch/loongarch/kernel/switch.S | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/loongarch/kernel/switch.S b/arch/loongarch/kernel/switch.S index f377d8f5c51a..d6e0d05d6fd3 100644 --- a/arch/loongarch/kernel/switch.S +++ b/arch/loongarch/kernel/switch.S @@ -12,7 +12,7 @@ /* * task_struct *__switch_to(task_struct *prev, task_struct *next, - * struct thread_info *next_ti, void *sched_ra, void *sched_cfa) + * void *sched_ra, void *sched_cfa) */ .align 5 SYM_FUNC_START(__switch_to) @@ -24,8 +24,8 @@ SYM_FUNC_START(__switch_to) LONG_SPTR t1, a0, (THREAD_CSRPRMD - TASK_STRUCT_OFFSET) cpu_save_nonscratch a0 - LONG_SPTR a3, a0, (THREAD_SCHED_RA - TASK_STRUCT_OFFSET) - LONG_SPTR a4, a0, (THREAD_SCHED_CFA - TASK_STRUCT_OFFSET) + LONG_SPTR a2, a0, (THREAD_SCHED_RA - TASK_STRUCT_OFFSET) + LONG_SPTR a3, a0, (THREAD_SCHED_CFA - TASK_STRUCT_OFFSET) #if defined(CONFIG_STACKPROTECTOR) && !defined(CONFIG_SMP) la t7, __stack_chk_guard @@ -33,11 +33,12 @@ SYM_FUNC_START(__switch_to) LONG_SPTR t8, t7, 0 #endif - move tp, a2 + move tp, a1 cpu_restore_nonscratch a1 - li.w t0, _THREAD_SIZE - PTR_ADD t0, t0, tp + LONG_LPTR t0, a1, (TASK_STACK - TASK_STRUCT_OFFSET) + PTR_LI t1, _THREAD_SIZE + PTR_ADD t0, t0, t1 set_saved_sp t0, t1, t2 LONG_LPTR t1, a1, (THREAD_CSRPRMD - TASK_STRUCT_OFFSET) @@ -45,6 +46,7 @@ SYM_FUNC_START(__switch_to) #ifdef CONFIG_32BIT PTR_ADDI a0, a0, -TASK_STRUCT_OFFSET + PTR_ADDI tp, tp, -TASK_STRUCT_OFFSET #endif jr ra SYM_FUNC_END(__switch_to) |