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authorRobert Morris <[email protected]>2019-09-17 06:07:58 -0400
committerRobert Morris <[email protected]>2019-09-17 06:07:58 -0400
commit2df42355f7bf63b7c4344094955330048b5090f6 (patch)
tree563e25f0eb66a0dfaefa926eaa941ff0b7cf4f6a /kernel/trap.c
parent036b5edf12fccc06a11287ad58565f253ab2eef6 (diff)
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all of PTE_FLAGS
Diffstat (limited to 'kernel/trap.c')
-rw-r--r--kernel/trap.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trap.c b/kernel/trap.c
index e96a542..ca732f2 100644
--- a/kernel/trap.c
+++ b/kernel/trap.c
@@ -95,10 +95,10 @@ usertrapret(void)
// now from kerneltrap() to usertrap().
intr_off();
- // send interrupts and exceptions to trampoline.S
+ // send syscalls, interrupts, and exceptions to trampoline.S
w_stvec(TRAMPOLINE + (uservec - trampoline));
- // set up values that uservec will need when
+ // set up trapframe values that uservec will need when
// the process next re-enters the kernel.
p->tf->kernel_satp = r_satp(); // kernel page table
p->tf->kernel_sp = p->kstack + PGSIZE; // process's kernel stack