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| author | Robert Morris <rtm@csail.mit.edu> | 2019-07-23 12:17:17 -0400 |
|---|---|---|
| committer | Robert Morris <rtm@csail.mit.edu> | 2019-07-23 12:17:17 -0400 |
| commit | 54178ad94d758e557bfa369b7f137e2844e030e1 (patch) | |
| tree | cc2446a7d55d35e30f12f26e44aef68d285bfc91 /kernel/trap.c | |
| parent | 55bc96d4190e40704fb5e447cef9597b08b8f088 (diff) | |
| download | xv6-labs-2022-54178ad94d758e557bfa369b7f137e2844e030e1.tar.xz xv6-labs-2022-54178ad94d758e557bfa369b7f137e2844e030e1.zip | |
simplify kernel mapping calls
Diffstat (limited to 'kernel/trap.c')
| -rw-r--r-- | kernel/trap.c | 2 |
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(); |