Imbus/xv6-riscv-kernel
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push/pop all registers when handling interrupt from kernel

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This commit is contained in:
Robert Morris 2019-06-03 15:23:12 -04:00
parent e630e0743b
commit 6eae1be755
7 changed files with 48 additions and 83 deletions
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2
uart.c
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@ -59,4 +59,6 @@ uartgetc(void)
void
uartintr(void)
{
int c = uartgetc();
printf("%x ", c & 0xff);
}