blob: 3b658b70e51e17cff64a223c350d35962662f289 (
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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <stddef.h>
#include <stdint.h>
#include <boot/coreboot_tables.h>
#include <bootstate.h>
#include <console/console.h>
#include <cbmem.h>
#include <device/device.h>
#include "chromeos.h"
#include "gnvs.h"
static void set_ramoops(void *ram_oops, size_t size)
{
chromeos_acpi_t *chromeos = chromeos_get_chromeos_acpi();
if (chromeos == NULL) {
printk(BIOS_DEBUG, "chromeos gnvs is NULL. ramoops not set.\n");
return;
}
printk(BIOS_DEBUG, "Ramoops buffer: 0x%zx@%p.\n", size, ram_oops);
chromeos->ramoops_base = (uintptr_t)ram_oops;
chromeos->ramoops_len = size;
}
static void ramoops_alloc(void *arg)
{
const size_t size = CONFIG_CHROMEOS_RAMOOPS_RAM_SIZE;
void *ram_oops;
if (size == 0)
return;
ram_oops = cbmem_add(CBMEM_ID_RAM_OOPS, size);
if (ram_oops == NULL) {
printk(BIOS_ERR, "Could not allocate RAMOOPS buffer\n");
return;
}
if (CONFIG(CHROMEOS_NVS))
set_ramoops(ram_oops, size);
}
BOOT_STATE_INIT_ENTRY(BS_WRITE_TABLES, BS_ON_ENTRY, ramoops_alloc, NULL);
void lb_ramoops(struct lb_header *header)
{
void *buffer = cbmem_find(CBMEM_ID_RAM_OOPS);
if (buffer == NULL)
return;
struct lb_range *ramoops;
ramoops = (struct lb_range *)lb_new_record(header);
ramoops->tag = LB_TAG_RAM_OOPS;
ramoops->size = sizeof(*ramoops);
ramoops->range_start = (uintptr_t)buffer;
ramoops->range_size = CONFIG_CHROMEOS_RAMOOPS_RAM_SIZE;
}
|
