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fences for starting

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This commit is contained in:
Robert Morris 2019-08-01 14:59:20 -04:00
parent 77da01abb1
commit fb8a0099d4
1 changed files with 2 additions and 0 deletions
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2
kernel/main.c
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@ -26,10 +26,12 @@ main()
fileinit(); // file table fileinit(); // file table
virtio_disk_init(); // emulated hard disk virtio_disk_init(); // emulated hard disk
userinit(); // first user process userinit(); // first user process
__sync_synchronize();
started = 1; started = 1;
} else { } else {
while(started == 0) while(started == 0)
; ;
__sync_synchronize();
printf("hart %d starting\n", cpuid()); printf("hart %d starting\n", cpuid());
kvminithart(); // turn on paging kvminithart(); // turn on paging
trapinithart(); // install kernel trap vector trapinithart(); // install kernel trap vector