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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Intel Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <cbmem.h>
#include <console/console.h>
#include <fsp/util.h>
int fsp_find_bootloader_tolum(struct range_entry *re)
{
return fsp_find_range_hob(re, fsp_bootloader_tolum_guid);
}
void fsp_verify_memory_init_hobs(void)
{
struct range_entry fsp_mem;
struct range_entry tolum;
/* Lookup the FSP_BOOTLOADER_TOLUM_HOB */
if (fsp_find_bootloader_tolum(&tolum))
die("9.3: FSP_BOOTLOADER_TOLUM_HOB missing!\n");
if (range_entry_size(&tolum) < cbmem_overhead_size()) {
printk(BIOS_CRIT,
"FSP_BOOTLOADER_TOLUM_SIZE: 0x%08llx < 0x%08zx\n",
range_entry_size(&tolum), cbmem_overhead_size());
die("FSP_BOOTLOADER_TOLUM_HOB too small!\n");
}
/* Locate the FSP reserved memory area */
if (fsp_find_reserved_memory(&fsp_mem))
die("9.1: FSP_RESERVED_MEMORY_RESOURCE_HOB missing!\n");
/* Verify the the bootloader tolum is above the FSP reserved area */
if (range_entry_end(&tolum) <= range_entry_base(&fsp_mem)) {
printk(BIOS_CRIT,
"TOLUM end: 0x%08llx != 0x%08llx: FSP rsvd base\n",
range_entry_end(&tolum), range_entry_base(&fsp_mem));
die("FSP reserved region after BIOS TOLUM!\n");
}
if (range_entry_base(&tolum) < range_entry_end(&fsp_mem)) {
printk(BIOS_CRIT,
"TOLUM base: 0x%08llx < 0x%08llx: FSP rsvd end\n",
range_entry_base(&tolum), range_entry_end(&fsp_mem));
die("FSP reserved region overlaps BIOS TOLUM!\n");
}
/* Verify that the FSP reserved area immediately follows the BIOS
* reserved area
*/
if (range_entry_base(&tolum) != range_entry_end(&fsp_mem)) {
printk(BIOS_CRIT,
"TOLUM base: 0x%08llx != 0x%08llx: FSP rsvd end\n",
range_entry_base(&tolum), range_entry_end(&fsp_mem));
die("Space between FSP reserved region and BIOS TOLUM!\n");
}
if (range_entry_end(&tolum) != (uintptr_t)cbmem_top()) {
printk(BIOS_CRIT, "TOLUM end: 0x%08llx != 0x%p: cbmem_top\n",
range_entry_end(&tolum), cbmem_top());
die("Space between cbmem_top and BIOS TOLUM!\n");
}
}
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