diff options
Diffstat (limited to 'arch/riscv/kernel/head.S')
| -rw-r--r-- | arch/riscv/kernel/head.S | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S index 6e07ed37bbff..711190d473d4 100644 --- a/arch/riscv/kernel/head.S +++ b/arch/riscv/kernel/head.S @@ -47,6 +47,8 @@ ENTRY(_start) /* Save hart ID and DTB physical address */ mv s0, a0 mv s1, a1 + la a2, boot_cpu_hartid + REG_S a0, (a2) /* Initialize page tables and relocate to virtual addresses */ la sp, init_thread_union + THREAD_SIZE @@ -55,7 +57,7 @@ ENTRY(_start) /* Restore C environment */ la tp, init_task - sw s0, TASK_TI_CPU(tp) + sw zero, TASK_TI_CPU(tp) la sp, init_thread_union li a0, ASM_THREAD_SIZE @@ -94,6 +96,7 @@ relocate: or a0, a0, a1 sfence.vma csrw sptbr, a0 +.align 2 1: /* Set trap vector to spin forever to help debug */ la a0, .Lsecondary_park @@ -143,6 +146,7 @@ relocate: tail smp_callin #endif +.align 2 .Lsecondary_park: /* We lack SMP support or have too many harts, so park this hart */ wfi |
