C++ (Cpp) cb_parse_acpi_gnvs Examples

Example #1

File: coreboot.c Project: lkundrak/coreboot

int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
{
	struct cb_header *header;
	unsigned char *ptr = addr;
	void *forward;
	int i;

	for (i = 0; i < len; i += 16, ptr += 16) {
		header = (struct cb_header *)ptr;
		if (!strncmp((const char *)header->signature, "LBIO", 4))
			break;
	}

	/* We walked the entire space and didn't find anything. */
	if (i >= len)
		return -1;

	/* Make sure the checksums match. */
	if (ipchksum((u16 *) header, sizeof(*header)) != 0)
		return -1;

	if (!header->table_bytes)
		return 0;

	if (ipchksum((u16 *) (ptr + sizeof(*header)),
		     header->table_bytes) != header->table_checksum)
		return -1;

	info->header = header;

	/* Initialize IDs as undefined in case they don't show up in table. */
	info->board_id = UNDEFINED_STRAPPING_ID;
	info->ram_code = UNDEFINED_STRAPPING_ID;
	info->sku_id = UNDEFINED_STRAPPING_ID;

	/* Now, walk the tables. */
	ptr += header->header_bytes;

	for (i = 0; i < header->table_entries; i++) {
		struct cb_record *rec = (struct cb_record *)ptr;

		/* We only care about a few tags here (maybe more later). */
		switch (rec->tag) {
		case CB_TAG_FORWARD:
			forward = phys_to_virt((void *)(unsigned long)
					       ((struct cb_forward *)rec)->forward);
			return cb_parse_header(forward, len, info);
		case CB_TAG_MEMORY:
			cb_parse_memory(ptr, info);
			break;
		case CB_TAG_SERIAL:
			cb_parse_serial(ptr, info);
			break;
		case CB_TAG_VERSION:
			cb_parse_string(ptr, &info->cb_version);
			break;
		case CB_TAG_EXTRA_VERSION:
			cb_parse_string(ptr, &info->extra_version);
			break;
		case CB_TAG_BUILD:
			cb_parse_string(ptr, &info->build);
			break;
		case CB_TAG_COMPILE_TIME:
			cb_parse_string(ptr, &info->compile_time);
			break;
		case CB_TAG_COMPILE_BY:
			cb_parse_string(ptr, &info->compile_by);
			break;
		case CB_TAG_COMPILE_HOST:
			cb_parse_string(ptr, &info->compile_host);
			break;
		case CB_TAG_COMPILE_DOMAIN:
			cb_parse_string(ptr, &info->compile_domain);
			break;
		case CB_TAG_COMPILER:
			cb_parse_string(ptr, &info->compiler);
			break;
		case CB_TAG_LINKER:
			cb_parse_string(ptr, &info->linker);
			break;
		case CB_TAG_ASSEMBLER:
			cb_parse_string(ptr, &info->assembler);
			break;
#if IS_ENABLED(CONFIG_LP_NVRAM)
		case CB_TAG_CMOS_OPTION_TABLE:
			cb_parse_optiontable(ptr, info);
			break;
		case CB_TAG_OPTION_CHECKSUM:
			cb_parse_checksum(ptr, info);
			break;
#endif
#if IS_ENABLED(CONFIG_LP_COREBOOT_VIDEO_CONSOLE)
		// FIXME we should warn on serial if coreboot set up a
		// framebuffer buf the payload does not know about it.
		case CB_TAG_FRAMEBUFFER:
			cb_parse_framebuffer(ptr, info);
			break;
#endif
		case CB_TAG_MAINBOARD:
			info->mainboard = (struct cb_mainboard *)ptr;
			break;
		case CB_TAG_GPIO:
			cb_parse_gpios(ptr, info);
			break;
		case CB_TAG_VDAT:
			cb_parse_vdat(ptr, info);
			break;
		case CB_TAG_VBNV:
			cb_parse_vbnv(ptr, info);
			break;
		case CB_TAG_VBOOT_HANDOFF:
			cb_parse_vboot_handoff(ptr, info);
			break;
		case CB_TAG_MAC_ADDRS:
			cb_parse_mac_addresses(ptr, info);
			break;
		case CB_TAG_SERIALNO:
			cb_parse_string(ptr, &info->serialno);
			break;
		case CB_TAG_TIMESTAMPS:
			cb_parse_tstamp(ptr, info);
			break;
		case CB_TAG_CBMEM_CONSOLE:
			cb_parse_cbmem_cons(ptr, info);
			break;
		case CB_TAG_ACPI_GNVS:
			cb_parse_acpi_gnvs(ptr, info);
			break;
		case CB_TAG_BOARD_ID:
			cb_parse_board_id(ptr, info);
			break;
		case CB_TAG_RAM_CODE:
			cb_parse_ram_code(ptr, info);
			break;
		case CB_TAG_SKU_ID:
			cb_parse_sku_id(ptr, info);
			break;
		case CB_TAG_WIFI_CALIBRATION:
			cb_parse_wifi_calibration(ptr, info);
			break;
		case CB_TAG_RAM_OOPS:
			cb_parse_ramoops(ptr, info);
			break;
		case CB_TAG_SPI_FLASH:
			cb_parse_spi_flash(ptr, info);
			break;
		case CB_TAG_MTC:
			cb_parse_mtc(ptr, info);
			break;
		case CB_TAG_BOOT_MEDIA_PARAMS:
			cb_parse_boot_media_params(ptr, info);
			break;
#if IS_ENABLED(CONFIG_LP_TIMER_RDTSC)
		case CB_TAG_TSC_INFO:
			cb_parse_tsc_info(ptr, info);
			break;
#endif
		case CB_TAG_VPD:
			cb_parse_vpd(ptr, info);
			break;
		default:
			cb_parse_arch_specific(rec, info);
			break;
		}

		ptr += rec->size;
	}

	return 0;
}

Example #2

File: devcoreboot.c Project: dancrossnyc/harvey

int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
{ kmprint("%s\n", __func__);
	struct cb_header *header;
	unsigned char *ptr = addr;
	void *forward;
	int i;

	for (i = 0; i < len; i += 16, ptr += 16) {
		header = (struct cb_header *)ptr;
		if (0)
		kmprint("Check header %p sig %p val %02x %02x %02x %02x\n", header, header->signature,
				header->signature[0],
				header->signature[1],
				header->signature[2],
				header->signature[3]);
		if (!strncmp((char *)header->signature, "LBIO", 4))
			break;
	}

	kmprint("found ? i %d len %d\n", i, len);
	/* We walked the entire space and didn't find anything. */
	if (i >= len)
		return -1;
	I_AM_HERE;
	if (!header->table_bytes)
		return 0;
	I_AM_HERE;
	/* Make sure the checksums match. */
	if (ipchksum((uint8_t *) header, sizeof(*header)) != 0)
		return -1;
	I_AM_HERE;
	if (ipchksum((uint8_t *) (ptr + sizeof(*header)),
		     header->table_bytes) != header->table_checksum)
		return -1;
	I_AM_HERE;
	info->header = header;

	/* Now, walk the tables. */
	ptr += header->header_bytes;
	I_AM_HERE;
	for (i = 0; i < header->table_entries; i++) {
		struct cb_record *rec = (struct cb_record *)ptr;
	I_AM_HERE;
	kmprint("rec %p tag %p\n", rec, rec->tag);
		/* We only care about a few tags here (maybe more later). */
		switch (rec->tag) {
		case CB_TAG_FORWARD:
			forward = KADDR((unsigned long)((struct cb_forward *)rec)->forward);
			kmprint("FORWARD: %p %p\n", (unsigned long)((struct cb_forward *)rec)->forward,
					forward);
			return cb_parse_header(forward, len, info);
			continue;
		case CB_TAG_MEMORY:
			cb_parse_memory(ptr, info);
			break;
		case CB_TAG_SERIAL:
			cb_parse_serial(ptr, info);
			break;
		case CB_TAG_VERSION:
			cb_parse_string(ptr, &info->cb_version);
			break;
		case CB_TAG_EXTRA_VERSION:
			cb_parse_string(ptr, &info->extra_version);
			break;
		case CB_TAG_BUILD:
			cb_parse_string(ptr, &info->build);
			break;
		case CB_TAG_COMPILE_TIME:
			cb_parse_string(ptr, &info->compile_time);
			break;
		case CB_TAG_COMPILE_BY:
			cb_parse_string(ptr, &info->compile_by);
			break;
		case CB_TAG_COMPILE_HOST:
			cb_parse_string(ptr, &info->compile_host);
			break;
		case CB_TAG_COMPILE_DOMAIN:
			cb_parse_string(ptr, &info->compile_domain);
			break;
		case CB_TAG_COMPILER:
			cb_parse_string(ptr, &info->compiler);
			break;
		case CB_TAG_LINKER:
			cb_parse_string(ptr, &info->linker);
			break;
		case CB_TAG_ASSEMBLER:
			cb_parse_string(ptr, &info->assembler);
			break;
		case CB_TAG_CMOS_OPTION_TABLE:
			cb_parse_optiontable(ptr, info);
			break;
		case CB_TAG_OPTION_CHECKSUM:
			cb_parse_checksum(ptr, info);
			break;
		// FIXME we should warn on serial if coreboot set up a
		// framebuffer buf the payload does not know about it.
		case CB_TAG_FRAMEBUFFER:
			cb_parse_framebuffer(ptr, info);
			break;
		case CB_TAG_MAINBOARD:
			info->mainboard = (struct cb_mainboard *)ptr;
		case CB_TAG_GPIO:
			cb_parse_gpios(ptr, info);
			break;
		case CB_TAG_VDAT:
			cb_parse_vdat(ptr, info);
			break;
		case CB_TAG_VBNV:
			cb_parse_vbnv(ptr, info);
			break;
		case CB_TAG_VBOOT_HANDOFF:
			cb_parse_vboot_handoff(ptr, info);
			break;
		case CB_TAG_TIMESTAMPS:
			cb_parse_tstamp(ptr, info);
			break;
		case CB_TAG_CBMEM_CONSOLE:
			cb_parse_cbmem_cons(ptr, info);
			break;
		case CB_TAG_MRC_CACHE:
			cb_parse_mrc_cache(ptr, info);
			break;
		case CB_TAG_ACPI_GNVS:
			cb_parse_acpi_gnvs(ptr, info);
			break;
		case CB_TAG_X86_ROM_MTRR:
			cb_parse_x86_rom_var_mtrr(ptr, info);
			break;
		}

		ptr += rec->size;
	}

	return 1;
}