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m68k: early parameter support

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Add early parameter support and convert current users to it.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roman Zippel
2007-05-01 22:32:45 +02:00
committed by Linus Torvalds
parent f8744bc95d
commit d6713b4091
8 changed files with 81 additions and 110 deletions
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39
arch/m68k/kernel/setup.c
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@@ -71,9 +71,6 @@ static struct mem_info m68k_ramdisk;
static char m68k_command_line[CL_SIZE];
char m68k_debug_device[6] = "";
EXPORT_SYMBOL(m68k_debug_device);
void (*mach_sched_init) (irq_handler_t handler) __initdata = NULL;
/* machine dependent irq functions */
void (*mach_init_IRQ) (void) __initdata = NULL;
@@ -215,7 +212,6 @@ void __init setup_arch(char **cmdline_p)
unsigned long endmem, startmem;
#endif
int i;
char *p, *q;
/* The bootinfo is located right after the kernel bss */
m68k_parse_bootinfo((const struct bi_record *)&_end);
@@ -258,40 +254,7 @@ void __init setup_arch(char **cmdline_p)
*cmdline_p = m68k_command_line;
memcpy(boot_command_line, *cmdline_p, CL_SIZE);
/* Parse the command line for arch-specific options.
* For the m68k, this is currently only "debug=xxx" to enable printing
* certain kernel messages to some machine-specific device.
*/
for (p = *cmdline_p; p && *p;) {
i = 0;
if (!strncmp(p, "debug=", 6)) {
strlcpy(m68k_debug_device, p+6, sizeof(m68k_debug_device));
q = strchr(m68k_debug_device, ' ');
if (q)
*q = 0;
i = 1;
}
#ifdef CONFIG_ATARI
/* This option must be parsed very early */
if (!strncmp(p, "switches=", 9)) {
extern void atari_switches_setup(const char *, int);
q = strchr(p + 9, ' ');
atari_switches_setup(p + 9, q ? (q - (p + 9)) : strlen(p + 9));
i = 1;
}
#endif
if (i) {
/* option processed, delete it */
if ((q = strchr(p, ' ')))
strcpy(p, q + 1);
else
*p = 0;
} else {
if ((p = strchr(p, ' ')))
++p;
}
}
parse_early_param();
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;