diff options
Diffstat (limited to 'entry.S')
| -rw-r--r-- | entry.S | 13 |
1 files changed, 8 insertions, 5 deletions
@@ -10,12 +10,15 @@ .section .text .globl _entry _entry: - # set up a stack for C; stack0 is declared in start. + # set up a stack for C. + # stack0 is declared in start, + # with 4096 bytes per CPU. la sp, stack0 - addi sp, sp, 1024 - addi sp, sp, 1024 - addi sp, sp, 1024 - addi sp, sp, 1024 + li a0, 1024*4 + csrr a1, mhartid + addi a1, a1, 1 + mul a0, a0, a1 + add sp, sp, a0 # jump to mstart() in start.c call mstart junk: |