diff options
Diffstat (limited to 'arch/arc/kernel/head.S')
| -rw-r--r-- | arch/arc/kernel/head.S | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arc/kernel/head.S b/arch/arc/kernel/head.S index 006dec3fc353..0f944f024513 100644 --- a/arch/arc/kernel/head.S +++ b/arch/arc/kernel/head.S @@ -27,11 +27,16 @@ stext: ; Don't clobber r0-r4 yet. It might have bootloader provided info ;------------------------------------------------------------------- + sr @_int_vec_base_lds, [AUX_INTR_VEC_BASE] + #ifdef CONFIG_SMP ; Only Boot (Master) proceeds. Others wait in platform dependent way ; IDENTITY Reg [ 3 2 1 0 ] ; (cpu-id) ^^^ => Zero for UP ARC700 ; => #Core-ID if SMP (Master 0) + ; Note that non-boot CPUs might not land here if halt-on-reset and + ; instead breath life from @first_lines_of_secondary, but we still + ; need to make sure only boot cpu takes this path. GET_CPU_ID r5 cmp r5, 0 jnz arc_platform_smp_wait_to_boot @@ -96,6 +101,8 @@ stext: first_lines_of_secondary: + sr @_int_vec_base_lds, [AUX_INTR_VEC_BASE] + ; setup per-cpu idle task as "current" on this CPU ld r0, [@secondary_idle_tsk] SET_CURR_TASK_ON_CPU r0, r1 |