blob: c5f5a5da1921057a70e31b121336f2bc7b86de64 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
#include <console/console.h>
#include <mem.h>
#include <cpu/cpu.h>
#include <boot/tables.h>
#include <boot/linuxbios_tables.h>
#include "linuxbios_table.h"
struct lb_memory *
write_tables(struct mem_range *mem, unsigned long *processor_map)
{
unsigned long low_table_start, low_table_end;
unsigned long rom_table_start, rom_table_end;
rom_table_start = 0xf0000;
rom_table_end = 0xf0000;
/* Start low addr at 16 bytes instead of 0 because of a buglet
* in the generic linux unzip code, as it tests for the a20 line.
*/
low_table_start = 0;
low_table_end = 16;
#if 0
post_code(0x9a);
check_pirq_routing_table();
/* This table must be betweeen 0xf0000 & 0x100000 */
rom_table_end = copy_pirq_routing_table(rom_table_end);
rom_table_end = (rom_table_end + 1023) & ~1023;
/* copy the smp block to address 0 */
post_code(0x96);
/* The smp table must be in 0-1K, 639K-640K, or 960K-1M */
remove_logical_cpus();
low_table_end = write_smp_table(low_table_end, processor_map);
/* Don't write anything in the traditional x86 BIOS data segment */
if (low_table_end < 0x500) {
low_table_end = 0x500;
}
#endif
/* The linuxbios table must be in 0-4K or 960K-1M */
write_linuxbios_table(processor_map, mem,
low_table_start, low_table_end,
rom_table_start >> 10, rom_table_end >> 10);
return get_lb_mem();
}
|
