79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
|
/*
|
||
|
|
* Extracted from arch/m68k/kernel/setup.c.
|
||
|
|
* Should be properly generalized and put somewhere else.
|
||
|
|
* Jesper
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/string.h>
|
||
|
|
#include <linux/init.h>
|
||
|
|
|
||
|
|
#include <asm/setup.h>
|
||
|
|
#include <asm/bootinfo.h>
|
||
|
|
|
||
|
|
extern char cmd_line[CL_SIZE];
|
||
|
|
|
||
|
|
extern int num_memory;
|
||
|
|
extern int m68k_realnum_memory;
|
||
|
|
extern struct mem_info memory[NUM_MEMINFO];
|
||
|
|
extern struct mem_info m68k_memory[NUM_MEMINFO];
|
||
|
|
extern struct mem_info ramdisk;
|
||
|
|
|
||
|
|
extern int amiga_parse_bootinfo(const struct bi_record *);
|
||
|
|
extern int atari_parse_bootinfo(const struct bi_record *);
|
||
|
|
extern int mac_parse_bootinfo(const struct bi_record *);
|
||
|
|
|
||
|
|
void __init parse_bootinfo(const struct bi_record *record)
|
||
|
|
{
|
||
|
|
while (record->tag != BI_LAST) {
|
||
|
|
int unknown = 0;
|
||
|
|
const u_long *data = record->data;
|
||
|
|
switch (record->tag) {
|
||
|
|
case BI_MACHTYPE:
|
||
|
|
case BI_CPUTYPE:
|
||
|
|
case BI_FPUTYPE:
|
||
|
|
case BI_MMUTYPE:
|
||
|
|
/* Already set up by head.S */
|
||
|
|
break;
|
||
|
|
|
||
|
|
case BI_MEMCHUNK:
|
||
|
|
if (num_memory < NUM_MEMINFO) {
|
||
|
|
memory[num_memory].addr = data[0];
|
||
|
|
memory[num_memory].size = data[1];
|
||
|
|
num_memory++;
|
||
|
|
|
||
|
|
/* FIXME: duplicate for m68k drivers. */
|
||
|
|
m68k_memory[m68k_realnum_memory].addr = data[0];
|
||
|
|
m68k_memory[m68k_realnum_memory].size = data[1];
|
||
|
|
m68k_realnum_memory++;
|
||
|
|
} else
|
||
|
|
printk("parse_bootinfo: too many memory chunks\n");
|
||
|
|
break;
|
||
|
|
|
||
|
|
case BI_RAMDISK:
|
||
|
|
ramdisk.addr = data[0];
|
||
|
|
ramdisk.size = data[1];
|
||
|
|
break;
|
||
|
|
|
||
|
|
case BI_COMMAND_LINE:
|
||
|
|
strlcpy(cmd_line, (const char *)data, sizeof(cmd_line));
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
if (MACH_IS_AMIGA)
|
||
|
|
unknown = amiga_parse_bootinfo(record);
|
||
|
|
else if (MACH_IS_ATARI)
|
||
|
|
unknown = atari_parse_bootinfo(record);
|
||
|
|
else if (MACH_IS_MAC)
|
||
|
|
unknown = mac_parse_bootinfo(record);
|
||
|
|
else
|
||
|
|
unknown = 1;
|
||
|
|
}
|
||
|
|
if (unknown)
|
||
|
|
printk("parse_bootinfo: unknown tag 0x%04x ignored\n",
|
||
|
|
record->tag);
|
||
|
|
record = (struct bi_record *)((u_long)record+record->size);
|
||
|
|
}
|
||
|
|
}
|