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/* * linux/arch/ppc/amiga/bootinfo.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]; int num_memory = 0; struct mem_info memory[NUM_MEMINFO]; 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 *); __initfunc(void 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++; } 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: strncpy(cmd_line, (const char *)data, CL_SIZE); cmd_line[CL_SIZE-1] = '\0'; 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); } } |