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one more TRAMPOLINE

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This commit is contained in:
Frans Kaashoek 2019-07-23 07:30:23 -04:00
parent 6c78af4a57
commit b8a31c494c
1 changed files with 1 additions and 1 deletions
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2
kernel/trap.c
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@ -123,7 +123,7 @@ usertrapret(void)
// jump to trampoline.S at the top of memory, which // jump to trampoline.S at the top of memory, which
// switches to the user page table, restores user registers, // switches to the user page table, restores user registers,
// and switches to user mode with sret. // and switches to user mode with sret.
((void (*)(uint64,uint64))TRAMPOLINE)(TRAMPOLINE - PGSIZE, satp); ((void (*)(uint64,uint64))TRAMPOLINE)(TRAPFRAME, satp);
} }
// interrupts and exceptions from kernel code go here via kernelvec, // interrupts and exceptions from kernel code go here via kernelvec,