Imbus/xv6-riscv-kernel
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takes one uart input interrupt, then panics

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This commit is contained in:
Robert Morris 2019-06-03 14:13:07 -04:00
parent 50cbc75102
commit a9c1a6f742
6 changed files with 108 additions and 6 deletions
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16
proc.c
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@ -365,6 +365,22 @@ scheduler(void)
// Enable interrupts on this processor.
// XXX riscv
//sti();
if(0){ uint x = * (uint*) 0xc001000;
if(x != 0){
printf("pending %x\n", x);
}
x = *(uint*)0xc001004;
if(x != 0)
printf("pending %x\n", x);
}
if(0){
uint uartgetc(void);
uint x = uartgetc();
if(x != 0)
printf("%x ", x);
}
// Loop over process table looking for process to run.
acquire(&ptable.lock);