Hi guys
My kernel command line like this:
kernel /boot/vmlinuz-2.6.15.5-kgdb ro root=/dev/hda1 kgdbwait
kgdb8250=1,115200
And I aslo defined CONFIG_KGDB_SIMPLE_SERIAL in the menuconfig
But get this error during the boot:
Invalid syntax for option kgdb8250="
Seems the erros happened inside the 8250_kgdb.c / kgdb8250_opt
The str="0,115200",so this function get lead to errout?
+static int __init kgdb8250_opt(char *str)
+{
+ /* We'll fill out and use the first slot. */
+ current_port = &kgdb8250_ports[0];
+
+ if (!strncmp(str, "io", 2)) {
+ current_port->iotype = UPIO_PORT;
+ str += 2;
+ } else if (!strncmp(str, "mmap", 4)) {
+ current_port->iotype = UPIO_MEM;
+ current_port->flags |= UPF_IOREMAP;
+ str += 4;
+ } else if (!strncmp(str, "mmio", 4)) {
+ current_port->iotype = UPIO_MEM;
+ current_port->flags &= ~UPF_IOREMAP;
+ str += 4;
+ } else
+ goto errout;
+
+ if (*str != ',')
+ goto errout;
+ str++;
+
+ if (current_port->iotype == UPIO_PORT)
+ current_port->iobase = simple_strtoul(str, &str, 16);
+ else {
+ if (current_port->flags & UPF_IOREMAP)
+ current_port->mapbase =
+ (unsigned long) simple_strtoul(str,
&str, 16);
+ else
+ current_port->membase =
+ (void *) simple_strtoul(str, &str, 16);
+ }
+
+ if (*str != ',')
+ goto errout;
+ str++;
+
+ kgdb8250_baud = simple_strtoul(str, &str, 10);
+ if (!kgdb8250_baud)
+ goto errout;
+
+ if (*str != ',')
+ goto errout;
+ str++;
+
+ current_port->irq = simple_strtoul(str, &str, 10);
+
+#ifdef CONFIG_KGDB_SIMPLE_SERIAL
+ should_copy_rs_table = 0;
+#endif
+
+ return 0;
+
+ errout:
+ printk(KERN_ERR "Invalid syntax for option kgdb8250=\n");
+ return 1;
+}
Regards
rui
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