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init: don't actually open serial by default

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This commit is contained in:
K. Lange 2018-10-29 20:56:51 +09:00
parent 23573a1f35
commit 26801b76fd
1 changed files with 3 additions and 12 deletions
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15
apps/init.c
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@ -44,18 +44,9 @@
/* Initialize fd 0, 1, 2 */
void set_console(void) {
/* default to /dev/ttyS0 (serial COM1) */
int _stdin = syscall_open("/dev/ttyS0", 0, 0);
if (_stdin < 0) {
/* if /dev/ttyS0 failed to open, fall back to /dev/null */
syscall_open("/dev/null", 0, 0);
syscall_open("/dev/null", 1, 0);
syscall_open("/dev/null", 1, 0);
} else {
/* otherwise also use /dev/ttyS0 for stdout, stderr */
syscall_open("/dev/ttyS0", 1, 0);
syscall_open("/dev/ttyS0", 1, 0);
}
syscall_open("/dev/null", 0, 0);
syscall_open("/dev/null", 1, 0);
syscall_open("/dev/null", 1, 0);
}
/* Run a startup script and wait for it to finish */