diff options
Diffstat (limited to 'user/uthread_switch.S')
| -rw-r--r-- | user/uthread_switch.S | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/user/uthread_switch.S b/user/uthread_switch.S index 5defb12..19cc400 100644 --- a/user/uthread_switch.S +++ b/user/uthread_switch.S @@ -7,5 +7,33 @@ .globl thread_switch thread_switch: - /* YOUR CODE HERE */ + sd ra, 0(a0) + sd sp, 8(a0) + sd s0, 16(a0) + sd s1, 24(a0) + sd s2, 32(a0) + sd s3, 40(a0) + sd s4, 48(a0) + sd s5, 56(a0) + sd s6, 64(a0) + sd s7, 72(a0) + sd s8, 80(a0) + sd s9, 88(a0) + sd s10, 96(a0) + sd s11, 104(a0) + + ld ra, 0(a1) + ld sp, 8(a1) + ld s0, 16(a1) + ld s1, 24(a1) + ld s2, 32(a1) + ld s3, 40(a1) + ld s4, 48(a1) + ld s5, 56(a1) + ld s6, 64(a1) + ld s7, 72(a1) + ld s8, 80(a1) + ld s9, 88(a1) + ld s10, 96(a1) + ld s11, 104(a1) ret /* return to ra */ |