static void prepare_romstage_ramstack(void *resume_backup_memory)
{
size_t backup_top = backup_size();
print_car_debug("Prepare CAR migration and stack regions...");
if (resume_backup_memory) {
memcpy_(resume_backup_memory + HIGH_MEMORY_SAVE - backup_top,
(void *)(CONFIG_RAMTOP - backup_top), backup_top);
}
memset_((void *)(CONFIG_RAMTOP - backup_top), 0, backup_top);
print_car_debug(" Done\n");
}
static void prepare_ramstage_region(int s3resume)
{
size_t backup_top = backup_size();
print_car_debug("Prepare ramstage memory region...");
if (s3resume) {
void *resume_backup_memory =
acpi_backup_container(CONFIG_RAMBASE, HIGH_MEMORY_SAVE);
if (resume_backup_memory)
memcpy_(resume_backup_memory, (void *) CONFIG_RAMBASE,
HIGH_MEMORY_SAVE - backup_top);
}
print_car_debug(" Done\n");
}
static void prepare_ramstage_region(void *resume_backup_memory)
{
size_t backup_top = backup_size();
print_car_debug("Prepare ramstage memory region...");
if (resume_backup_memory) {
memcpy_(resume_backup_memory, (void *) CONFIG_RAMBASE, HIGH_MEMORY_SAVE - backup_top);
memset_((void*) CONFIG_RAMBASE, 0, HIGH_MEMORY_SAVE - backup_top);
} else {
memset_((void*)0, 0, CONFIG_RAMTOP - backup_top);
}
#if IS_ENABLED(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK)
initialize_romstage_console_lock();
#endif
#if IS_ENABLED(CONFIG_HAVE_ROMSTAGE_NVRAM_CBFS_SPINLOCK)
initialize_romstage_nvram_cbfs_lock();
#endif
print_car_debug(" Done\n");
}
