more bugs
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2 changed files with 3 additions and 10 deletions
7
BUGS
7
BUGS
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@ -4,13 +4,6 @@ index:
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mmu.h:
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funny \ alignment in mmu.h
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main.c:
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should use static int bcpu to avoid having live
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stack variable across the asm volatile that
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changes %esp and %ebp.
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cpus[0] -> cpus[bcpu]
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proc.c:
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as a consequence of the implementation of proc_kill,
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any loop calling sleep should check for p->killed
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6
main.c
6
main.c
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@ -23,7 +23,7 @@ void
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main0(void)
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{
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int i;
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int bcpu;
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static int bcpu; // cannot be on stack
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struct proc *p;
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// clear BSS
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@ -37,8 +37,8 @@ main0(void)
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bcpu = mp_bcpu();
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// switch to bootstrap processor's stack
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asm volatile("movl %0, %%esp" : : "r" (cpus[0].mpstack + MPSTACK - 32));
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asm volatile("movl %0, %%ebp" : : "r" (cpus[0].mpstack + MPSTACK));
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asm volatile("movl %0, %%esp" : : "r" (cpus[bcpu].mpstack + MPSTACK - 32));
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asm volatile("movl %0, %%ebp" : : "r" (cpus[bcpu].mpstack + MPSTACK));
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lapic_init(bcpu);
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