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if serial output is enabled in the boot monitor, on the first serial line,

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enable serial debug output in the kernel too.
This commit is contained in:
Ben Gras
2008-12-19 13:21:42 +00:00
parent 7fdc181d5f
commit b740ff055f
4 changed files with 24 additions and 4 deletions
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11
boot/boot.c
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@@ -48,6 +48,8 @@ char version[]= "2.20";
#define arraylimit(a) ((a) + arraysize(a))
#define between(a, c, z) ((unsigned) ((c) - (a)) <= ((z) - (a)))
int serial_line = -1;
u16_t vid_port; /* Video i/o port. */
u32_t vid_mem_base; /* Video memory base address. */
u32_t vid_mem_size; /* Video memory size. */
@@ -1389,13 +1391,14 @@ void boot_device(char *devname)
void ctty(char *line)
{
if (line == nil) {
serial_init(-1);
} else
if (between('0', line[0], '3') && line[1] == 0) {
serial_init(line[0] - '0');
serial_line = -1;
} else if (between('0', line[0], '3') && line[1] == 0) {
serial_line = line[0] - '0';
} else {
printf("Bad serial line number: %s\n", line);
return;
}
serial_init(serial_line);
}
#else /* DOS */