C++ (Cpp) stage_cache_add Examples

Example #1

File: prog_loaders.c Project: bitpick/coreboot

void run_ramstage(void)
{
	struct prog ramstage =
		PROG_INIT(ASSET_RAMSTAGE, CONFIG_CBFS_PREFIX "/ramstage");

	/* Only x86 systems currently take the same firmware path on resume. */
	if (IS_ENABLED(CONFIG_ARCH_X86) && IS_ENABLED(CONFIG_EARLY_CBMEM_INIT))
		run_ramstage_from_resume(romstage_handoff_find_or_add(),
						&ramstage);

	if (prog_locate(&ramstage))
		goto fail;

	timestamp_add_now(TS_START_COPYRAM);

	if (IS_ENABLED(CONFIG_RELOCATABLE_RAMSTAGE)) {
		if (load_relocatable_ramstage(&ramstage))
			goto fail;
	} else if (cbfs_prog_stage_load(&ramstage))
		goto fail;

	stage_cache_add(STAGE_RAMSTAGE, &ramstage);

	timestamp_add_now(TS_END_COPYRAM);

	prog_run(&ramstage);

fail:
	die("Ramstage was not loaded!\n");
}

Example #2

File: refcode.c Project: asuradaimao/coreboot

static pei_wrapper_entry_t load_reference_code(void)
{
	struct prog prog =
		PROG_INIT(ASSET_REFCODE, CONFIG_CBFS_PREFIX "/refcode");
	struct rmod_stage_load refcode = {
		.cbmem_id = CBMEM_ID_REFCODE,
		.prog = &prog,
	};

	if (acpi_is_wakeup_s3()) {
		return load_refcode_from_cache();
	}

	if (prog_locate(&prog)) {
		printk(BIOS_DEBUG, "Couldn't locate reference code.\n");
		return NULL;
	}

	if (rmodule_stage_load(&refcode)) {
		printk(BIOS_DEBUG, "Error loading reference code.\n");
		return NULL;
	}

	/* Cache loaded reference code. */
	stage_cache_add(STAGE_REFCODE, &prog);

	return (pei_wrapper_entry_t)prog_entry(&prog);
}

Example #3

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 #4

File: fsp_ramstage.c Project: RafaelRMachado/Coreboot

static void fsp_cache_save(struct prog *fsp)
{
	if (IS_ENABLED(CONFIG_DISPLAY_SMM_MEMORY_MAP))
		smm_memory_map();

	if (prog_entry(fsp) == NULL) {
		printk(BIOS_ERR, "ERROR: No FSP to save in cache.\n");
		return;
	}

	stage_cache_add(STAGE_REFCODE, fsp);
}