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| author | Robert Morris <rtm@csail.mit.edu> | 2019-09-17 06:07:58 -0400 |
|---|---|---|
| committer | Robert Morris <rtm@csail.mit.edu> | 2019-09-17 06:07:58 -0400 |
| commit | 2df42355f7bf63b7c4344094955330048b5090f6 (patch) | |
| tree | 563e25f0eb66a0dfaefa926eaa941ff0b7cf4f6a /kernel/trap.c | |
| parent | 036b5edf12fccc06a11287ad58565f253ab2eef6 (diff) | |
| download | xv6-labs-2022-2df42355f7bf63b7c4344094955330048b5090f6.tar.xz xv6-labs-2022-2df42355f7bf63b7c4344094955330048b5090f6.zip | |
all of PTE_FLAGS
Diffstat (limited to 'kernel/trap.c')
| -rw-r--r-- | kernel/trap.c | 4 |
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 |