1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 4 #include <stddef.h> 5 #include <stdint.h> 6 #include <boot/coreboot_tables.h> 7 #include <bootstate.h> 8 #include <console/console.h> 9 #include <cbmem.h> 10 #include "chromeos.h" 11 ramoops_alloc(void * arg)12static void ramoops_alloc(void *arg) 13 { 14 const size_t size = CONFIG_CHROMEOS_RAMOOPS_RAM_SIZE; 15 void *ram_oops; 16 17 if (size == 0) 18 return; 19 20 ram_oops = cbmem_add(CBMEM_ID_RAM_OOPS, size); 21 if (ram_oops == NULL) { 22 printk(BIOS_ERR, "Could not allocate RAMOOPS buffer\n"); 23 return; 24 } 25 26 if (CONFIG(CHROMEOS_NVS)) 27 chromeos_set_ramoops(ram_oops, size); 28 } 29 30 BOOT_STATE_INIT_ENTRY(BS_DEV_INIT_CHIPS, BS_ON_ENTRY, ramoops_alloc, NULL); 31 lb_ramoops(struct lb_header * header)32void lb_ramoops(struct lb_header *header) 33 { 34 void *buffer = cbmem_find(CBMEM_ID_RAM_OOPS); 35 36 if (buffer == NULL) 37 return; 38 39 struct lb_range *ramoops; 40 ramoops = (struct lb_range *)lb_new_record(header); 41 ramoops->tag = LB_TAG_RAM_OOPS; 42 ramoops->size = sizeof(*ramoops); 43 ramoops->range_start = (uintptr_t)buffer; 44 ramoops->range_size = CONFIG_CHROMEOS_RAMOOPS_RAM_SIZE; 45 } 46