/* * Extracted from arch/m68k/kernel/setup.c. * Should be properly generalized and put somewhere else. * Jesper */ #include #include #include #include #include #include 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); } }