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| author | Robert Morris <rtm@csail.mit.edu> | 2020-07-22 10:31:46 -0400 |
|---|---|---|
| committer | Robert Morris <rtm@csail.mit.edu> | 2020-07-22 10:31:46 -0400 |
| commit | db0f092ae44f85db450718588c2deea080c27d0e (patch) | |
| tree | dea9a9d3ce5d8496e455137bca2c9d5ef988f948 /kernel/console.c | |
| parent | 823864099d0d8def9d4bcf9e382cf42e05bd7afa (diff) | |
| download | xv6-labs-db0f092ae44f85db450718588c2deea080c27d0e.tar.gz xv6-labs-db0f092ae44f85db450718588c2deea080c27d0e.tar.bz2 xv6-labs-db0f092ae44f85db450718588c2deea080c27d0e.zip | |
fix printf() in interrupts
Diffstat (limited to 'kernel/console.c')
| -rw-r--r-- | kernel/console.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/console.c b/kernel/console.c index a97ef30..9a18cd9 100644 --- a/kernel/console.c +++ b/kernel/console.c @@ -42,9 +42,9 @@ consputc(int c) if(c == BACKSPACE){ // if the user typed backspace, overwrite with a space. - uartputc('\b', 0); uartputc(' ', 0); uartputc('\b', 0); + uartputc_sync('\b'); uartputc_sync(' '); uartputc_sync('\b'); } else { - uartputc(c, 0); + uartputc_sync(c); } } @@ -72,7 +72,7 @@ consolewrite(int user_src, uint64 src, int n) char c; if(either_copyin(&c, user_src, src+i, 1) == -1) break; - uartputc(c, 1); + uartputc(c); } release(&cons.lock); |