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authorRobert Morris <[email protected]>2019-07-23 12:17:17 -0400
committerRobert Morris <[email protected]>2019-07-23 12:17:17 -0400
commit54178ad94d758e557bfa369b7f137e2844e030e1 (patch)
treecc2446a7d55d35e30f12f26e44aef68d285bfc91 /kernel/trap.c
parent55bc96d4190e40704fb5e447cef9597b08b8f088 (diff)
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simplify kernel mapping calls
Diffstat (limited to 'kernel/trap.c')
-rw-r--r--kernel/trap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trap.c b/kernel/trap.c
index 1af7c00..a41301a 100644
--- a/kernel/trap.c
+++ b/kernel/trap.c
@@ -101,7 +101,7 @@ usertrapret(void)
// set up values that trampoline.S will need when
// the process next re-enters the kernel.
p->tf->kernel_satp = r_satp();
- p->tf->kernel_sp = (uint64)p->kstack + PGSIZE;
+ p->tf->kernel_sp = p->kstack + PGSIZE;
p->tf->kernel_trap = (uint64)usertrap;
p->tf->kernel_hartid = r_tp();