C++ (Cpp) stage_cache_load_stage Examples

Example #1

File: silicon_init.c Project: lkundrak/coreboot

void fsps_load(bool s3wake)
{
	struct fsp_header *hdr = &fsps_hdr;
	struct cbfsf file_desc;
	struct region_device rdev;
	const char *name = CONFIG_FSP_S_CBFS;
	void *dest;
	size_t size;
	struct prog fsps = PROG_INIT(PROG_REFCODE, name);
	static int load_done;

	if (load_done)
		return;

	if (s3wake && !IS_ENABLED(CONFIG_NO_STAGE_CACHE)) {
		printk(BIOS_DEBUG, "Loading FSPS from stage_cache\n");
		stage_cache_load_stage(STAGE_REFCODE, &fsps);
		if (fsp_validate_component(hdr, prog_rdev(&fsps)) != CB_SUCCESS)
			die("On resume fsps header is invalid\n");
		load_done = 1;
		return;
	}

	if (cbfs_boot_locate(&file_desc, name, NULL)) {
		printk(BIOS_ERR, "Could not locate %s in CBFS\n", name);
		die("FSPS not available!\n");
	}

	cbfs_file_data(&rdev, &file_desc);

	/* Load and relocate into CBMEM. */
	size = region_device_sz(&rdev);
	dest = cbmem_add(CBMEM_ID_REFCODE, size);

	if (dest == NULL)
		die("Could not add FSPS to CBMEM!\n");

	if (rdev_readat(&rdev, dest, 0, size) < 0)
		die("Failed to read FSPS!\n");

	if (fsp_component_relocate((uintptr_t)dest, dest, size) < 0)
		die("Unable to relocate FSPS!\n");

	/* Create new region device in memory after relocation. */
	rdev_chain(&rdev, &addrspace_32bit.rdev, (uintptr_t)dest, size);

	if (fsp_validate_component(hdr, &rdev) != CB_SUCCESS)
		die("Invalid FSPS header!\n");

	prog_set_area(&fsps, dest, size);

	stage_cache_add(STAGE_REFCODE, &fsps);

	/* Signal that FSP component has been loaded. */
	prog_segment_loaded(hdr->image_base, hdr->image_size, SEG_FINAL);
	load_done = 1;
}

Example #2

File: refcode.c Project: asuradaimao/coreboot

static pei_wrapper_entry_t load_refcode_from_cache(void)
{
	struct prog refcode;

	printk(BIOS_DEBUG, "refcode loading from cache.\n");

	stage_cache_load_stage(STAGE_REFCODE, &refcode);

	return (pei_wrapper_entry_t)prog_entry(&refcode);
}

Example #3

File: prog_loaders.c Project: bitpick/coreboot

static void run_ramstage_from_resume(struct romstage_handoff *handoff,
					struct prog *ramstage)
{
	if (handoff != NULL && handoff->s3_resume) {
		/* Load the cached ramstage to runtime location. */
		stage_cache_load_stage(STAGE_RAMSTAGE, ramstage);

		if (prog_entry(ramstage) != NULL) {
			printk(BIOS_DEBUG, "Jumping to image.\n");
			prog_run(ramstage);
		}
		ramstage_cache_invalid();
	}
}

Example #4

File: fsp_ramstage.c Project: RafaelRMachado/Coreboot

void intel_silicon_init(void)
{
	struct prog fsp = PROG_INIT(ASSET_REFCODE, "fsp.bin");
	int is_s3_wakeup = acpi_is_wakeup_s3();

	if (is_s3_wakeup) {
		printk(BIOS_DEBUG, "FSP: Loading binary from cache\n");
		stage_cache_load_stage(STAGE_REFCODE, &fsp);
	} else {
		fsp_find_and_relocate(&fsp);
		printk(BIOS_DEBUG, "FSP: Saving binary in cache\n");
		fsp_cache_save(&fsp);
	}

	/* FSP_INFO_HEADER is set as the program entry. */
	fsp_update_fih(prog_entry(&fsp));

	fsp_run_silicon_init(is_s3_wakeup);
}