C++ CONFIG函数代码示例

void nl_resize_socket_buffer(struct nfct_handle *h)
{
	unsigned int s = CONFIG(netlink_buffer_size);

	/* already warned that we have reached the maximum buffer size */
	if (warned)
		return;

	/* since sock_setsockopt in net/core/sock.c doubles the size of socket
	   buffer passed to it using nfnl_rcvbufsiz, only call nfnl_rcvbufsiz
	   if new value is not greater than netlink_buffer_size_max_grown */
	if (s*2 > CONFIG(netlink_buffer_size_max_grown)) {
		dlog(LOG_WARNING,
		     "netlink event socket buffer size cannot "
		     "be doubled further since it will exceed "
		     "NetlinkBufferSizeMaxGrowth. We are likely to "
		     "be losing events, this may lead to "
		     "unsynchronized replicas. Please, consider "
		     "increasing netlink socket buffer size via "
		     "NetlinkBufferSize and "
		     "NetlinkBufferSizeMaxGrowth clauses in "
		     "conntrackd.conf");
		warned = 1;
		return;
	}

	CONFIG(netlink_buffer_size) = nfnl_rcvbufsiz(nfct_nfnlh(h), s);

	/* notify the sysadmin */
	dlog(LOG_NOTICE, "netlink event socket buffer size has been doubled "
			 "to %u bytes", CONFIG(netlink_buffer_size));
}

static void bochs_init(struct device *dev)
{
	if (CONFIG(LINEAR_FRAMEBUFFER))
		bochs_init_linear_fb(dev);
	else if (CONFIG(VGA_TEXT_FRAMEBUFFER))
		bochs_init_text_mode(dev);
}

void acpi_create_gnvs(struct global_nvs_t *gnvs)
{
	const struct device *dev = PCH_DEV_LPC;
	const struct soc_intel_icelake_config *config = dev->chip_info;

	/* Set unknown wake source */
	gnvs->pm1i = -1;

	/* CPU core count */
	gnvs->pcnt = dev_count_cpu();

	if (CONFIG(CONSOLE_CBMEM))
		/* Update the mem console pointer. */
		gnvs->cbmc = (uintptr_t)cbmem_find(CBMEM_ID_CONSOLE);

	if (CONFIG(CHROMEOS)) {
		/* Initialize Verified Boot data */
		chromeos_init_chromeos_acpi(&(gnvs->chromeos));
		if (CONFIG(EC_GOOGLE_CHROMEEC)) {
			gnvs->chromeos.vbt2 = google_ec_running_ro() ?
				ACTIVE_ECFW_RO : ACTIVE_ECFW_RW;
		} else
			gnvs->chromeos.vbt2 = ACTIVE_ECFW_RO;
	}

	/* Enable DPTF based on mainboard configuration */
	gnvs->dpte = config->dptf_enable;

	/* Fill in the Wifi Region id */
	gnvs->cid1 = wifi_regulatory_domain();

	/* Set USB2/USB3 wake enable bitmaps. */
	gnvs->u2we = config->usb2_wake_enable_bitmap;
	gnvs->u3we = config->usb3_wake_enable_bitmap;
}

void board_BeforeAgesa(struct sysinfo *cb)
{
	u8 byte;

	/* Enable the AcpiMmio space */
	outb(0x24, 0xcd6);
	outb(0x1, 0xcd7);

	/* Set LPC decode enables. */
	pci_devfn_t dev = PCI_DEV(0, 0x14, 3);
	pci_write_config32(dev, 0x44, 0xff03ffd5);

	if (CONFIG(POST_DEVICE_PCI_PCIE))
		hudson_pci_port80();

	if (CONFIG(POST_DEVICE_LPC))
		hudson_lpc_port80();

	/* enable SIO LPC decode */
	byte = pci_read_config8(dev, 0x48);
	byte |= 3;	/* 2e, 2f */
	pci_write_config8(dev, 0x48, byte);

	/* enable serial decode */
	byte = pci_read_config8(dev, 0x44);
	byte |= (1 << 6);  /* 0x3f8 */
	pci_write_config8(dev, 0x44, byte);

	/* run ite */
	sbxxx_enable_48mhzout();
	ite_conf_clkin(CLKIN_DEV, ITE_UART_CLK_PREDIVIDE_48);
	ite_kill_watchdog(GPIO_DEV);
	ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
}

floatms_t WallFuel::adjust(int injectorIndex, floatms_t target DECLARE_ENGINE_PARAMETER_SUFFIX) {
	if (cisnan(target)) {
		return target;
	}
	// disable this correction for cranking
	if (ENGINE(rpmCalculator).isCranking(PASS_ENGINE_PARAMETER_SIGNATURE)) {
		return target;
	}
	float addedToWallCoef = CONFIG(addedToWallCoef);

	/**
	 * What amount of fuel is sucked of the walls, based on current amount of fuel on the wall.
	 */
	floatms_t suckedOffWallsAmount = wallFuel[injectorIndex] * CONFIG(suckedOffCoef);

	floatms_t adjustedFuelPulse = (target - suckedOffWallsAmount) / (1 - addedToWallCoef);

	// We can't inject a negative amount of fuel
	// If this goes below zero we will be over-fueling slightly,
	// but that's ok.
	if(adjustedFuelPulse < 0) {
		adjustedFuelPulse = 0;
	}

	float addedToWallsAmount = adjustedFuelPulse * addedToWallCoef;
	wallFuel[injectorIndex] += addedToWallsAmount - suckedOffWallsAmount;
	engine->wallFuelCorrection = adjustedFuelPulse - target;
	return adjustedFuelPulse;
}

void nl_resize_socket_buffer(struct nfct_handle *h)
{
	unsigned int s = CONFIG(netlink_buffer_size) * 2;

	/* already warned that we have reached the maximum buffer size */
	if (warned)
		return;

	if (s > CONFIG(netlink_buffer_size_max_grown)) {
		dlog(STATE(log), "WARNING: maximum netlink socket buffer "
				 "size has been reached. We are likely to "
				 "be losing events, this may lead to "
				 "unsynchronized replicas. Please, consider "
				 "increasing netlink socket buffer size via "
				 "SocketBufferSize and "
				 "SocketBufferSizeMaxGrown clauses in "
				 "conntrackd.conf");
		s = CONFIG(netlink_buffer_size_max_grown);
		warned = 1;
	}

	CONFIG(netlink_buffer_size) = nfnl_rcvbufsiz(nfct_nfnlh(h), s);

	/* notify the sysadmin */
	dlog(STATE(log), "netlink socket buffer size has been set to %u bytes", 
			  CONFIG(netlink_buffer_size));
}

/**
 * This function adds an error if MAP sensor value is outside of expected range
 * @return unchanged mapKPa parameter
 */
float validateMap(float mapKPa DECLARE_ENGINE_PARAMETER_S) {
	if (cisnan(mapKPa) || mapKPa < CONFIG(mapErrorLowValue) || mapKPa > CONFIG(mapErrorHighValue)) {
		warning(OBD_PCM_Processor_Fault, "invalid MAP value: %f", mapKPa);
		return 0;
	}
	return mapKPa;
}

static void save_memory_training_data(bool s3wake, uint32_t fsp_version)
{
	size_t  mrc_data_size;
	const void *mrc_data;

	if (!CONFIG(CACHE_MRC_SETTINGS) || s3wake)
		return;

	mrc_data = fsp_find_nv_storage_data(&mrc_data_size);
	if (!mrc_data) {
		printk(BIOS_ERR, "Couldn't find memory training data HOB.\n");
		return;
	}

	/*
	 * Save MRC Data to CBMEM. By always saving the data this forces
	 * a retrain after a trip through Chrome OS recovery path. The
	 * code which saves the data to flash doesn't write if the latest
	 * training data matches this one.
	 */
	if (mrc_cache_stash_data(MRC_TRAINING_DATA, fsp_version, mrc_data,
				mrc_data_size) < 0)
		printk(BIOS_ERR, "Failed to stash MRC data\n");

	if (CONFIG(FSP2_0_USES_TPM_MRC_HASH))
		mrc_cache_update_hash(mrc_data, mrc_data_size);
}

static void fill_console_params(FSPM_UPD *mupd)
{
	if (CONFIG(CONSOLE_SERIAL)) {
		if (CONFIG(INTEL_LPSS_UART_FOR_CONSOLE)) {
			mupd->FspmConfig.SerialDebugPortDevice =
					CONFIG_UART_FOR_CONSOLE;
			/* use MMIO port type */
			mupd->FspmConfig.SerialDebugPortType = 2;
			/* use 4 byte register stride */
			mupd->FspmConfig.SerialDebugPortStrideSize = 2;
			/* used only for port type set to external */
			mupd->FspmConfig.SerialDebugPortAddress = 0;
		} else if (CONFIG(DRIVERS_UART_8250IO)) {
			/* use external UART for debug */
			mupd->FspmConfig.SerialDebugPortDevice = 3;
			/* use I/O port type */
			mupd->FspmConfig.SerialDebugPortType = 1;
			/* use 1 byte register stride */
			mupd->FspmConfig.SerialDebugPortStrideSize = 0;
			/* used only for port type set to external */
			mupd->FspmConfig.SerialDebugPortAddress =
					CONFIG_TTYS0_BASE;
		}
	} else {
		mupd->FspmConfig.SerialDebugPortType = 0;
	}
}

void board_BeforeInitReset(struct sysinfo *cb, AMD_RESET_PARAMS *Reset)
{
	FCH_RESET_INTERFACE *FchReset = &Reset->FchInterface;

	FchReset->Xhci0Enable = CONFIG(HUDSON_XHCI_ENABLE);
	FchReset->Xhci1Enable = CONFIG(HUDSON_XHCI_ENABLE);

	FchReset->SataEnable = 1;
	FchReset->IdeEnable = 0;
}

    bool TrackingBruteForce::initialize(configuration::ConfigurationManager& settings) {
        isInitialized = true;

        CONFIG(settings, maximumDistance, "TrackingMaximumDistance",                4000);
        CONFIG(settings, minimumLifeSpan, "TrackingMinimumLifeSpan",                  15);   //Currently # Frames, should be in ms...
        CONFIG(settings, maximumTimeLostInDoorArea, "MaximumTimeLostInDoorArea",       9);   //Currently # Frames, should be in ms...
        CONFIG(settings, maximumTimeLostStill, "MaximumTimeLostInDoorArea",          100);

        return isInitialized;
    }

/*
   Request:
      MUST NOT have extras.
      MUST have key.
      MUST have value.
*/
ST_RES *cmd_code_load(CONN *conn, ST_REQ *req, ST_RES *res) {
	if(req->extras_sz || !req->key_sz || !req->value_sz)
		return(set_error_code(res, MEMCACHE_STATUS_INVALID_ARGUMENTS, NULL));
	
	if(CONFIG(conn)->vx32_disabled) {
		return(set_error_code(res, MEMCACHE_STATUS_UNKNOWN_COMMAND, "Command disabled by configuration"));
	}
	
	if(NULL != find_process(req->key, req->key_sz))
		return(set_error_code(res, MEMCACHE_STATUS_KEY_EXISTS, NULL));	

	int r;
	char c_file[1024];
	char elf_file[1024];
	char keyprefix[32];
	key_escape(keyprefix, sizeof(keyprefix), req->key, req->key_sz);
	keyprefix[MIN(req->key_sz, sizeof(keyprefix)-1)] = '\0'; // make it reasonably short
	snprintf(c_file, sizeof(c_file), "%s/plugin-%s.c", CONFIG(conn)->tmpdir, keyprefix);
	snprintf(elf_file, sizeof(elf_file), "%s/plugin-%s.elf", CONFIG(conn)->tmpdir, keyprefix);
	
	res->value = res->buf;
	
	r = write_file(c_file, req->value, req->value_sz);
	if(0 != r) { // never
		res->status = MEMCACHE_STATUS_ITEM_NOT_STORED;
		res->value_sz += snprintf(&res->value[res->value_sz], res->buf_sz - res->value_sz, "Error while saving file: %s", strerror(errno));
		return(res);
	}
	
	if(0 != process_compile(CONFIG(conn), c_file, elf_file, res->value, res->buf_sz, (int*)&res->value_sz)) {
		res->status = MEMCACHE_STATUS_ITEM_NOT_STORED;
		return(res);
	}
	res->value_sz = MIN(res->value_sz, 4096); // no more than 4k logs
	res->value[res->value_sz++] = '\n';
	res->value[res->value_sz++] = '\n';
	
	struct process *process = process_new(conn, req->key, req->key_sz);
	log_warn("#%p: loaded code", process);
	r = process_load(process, elf_file);
	if(0 != r) { // never
		process_free(process);
		res->value_sz += snprintf(&res->value[res->value_sz], res->buf_sz - res->value_sz, "Error while loading the binary");
		res->status = MEMCACHE_STATUS_ITEM_NOT_STORED;
		return(res);
	}
	if(0 != process_run(conn, process)) {
		process_free(process);
		res->value_sz += snprintf(&res->value[res->value_sz], res->buf_sz - res->value_sz, "Error while running the binary");
		res->status = MEMCACHE_STATUS_ITEM_NOT_STORED;
		return(res);
	}
	res->status = MEMCACHE_STATUS_OK;
	return res;
}

void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)
{
	struct region_device rdev;

	check_full_retrain(mupd);

	fill_console_params(mupd);

	if (CONFIG(SOC_INTEL_GLK))
		soc_memory_init_params(mupd);

	mainboard_memory_init_params(mupd);

	parse_devicetree_setting(mupd);

	/* Do NOT let FSP do any GPIO pad configuration */
	mupd->FspmConfig.PreMemGpioTablePtr = (uintptr_t) NULL;

	/*
	 * Tell CSE we do not need to use Ring Buffer Protocol (RBP) to fetch
	 * firmware for us if we are using memory-mapped SPI. This lets CSE
	 * state machine transition to next boot state, so that it can function
	 * as designed.
	 */
	mupd->FspmConfig.SkipCseRbp =
		CONFIG(BOOT_DEVICE_MEMORY_MAPPED);

	/*
	 * Converged Security Engine (CSE) has secure storage functionality.
	 * HECI2 device can be used to access that functionality. However, part
	 * of S3 resume flow involves resetting HECI2 which takes 136ms. Since
	 * coreboot does not use secure storage functionality, instruct FSP to
	 * skip HECI2 reset.
	 */
	mupd->FspmConfig.EnableS3Heci2 = 0;

	/*
	 * Apollolake splits MRC cache into two parts: constant and variable.
	 * The constant part is not expected to change often and variable is.
	 * Currently variable part consists of parameters that change on cold
	 * boots such as scrambler seed and some memory controller registers.
	 * Scrambler seed is vital for S3 resume case because attempt to use
	 * wrong/missing key renders DRAM contents useless.
	 */

	if (mrc_cache_get_current(MRC_VARIABLE_DATA, version, &rdev) == 0) {
		/* Assume leaking is ok. */
		assert(CONFIG(BOOT_DEVICE_MEMORY_MAPPED));
		mupd->FspmConfig.VariableNvsBufferPtr = rdev_mmap_full(&rdev);
	}

	car_set_var(fsp_version, version);

}

void car_soc_pre_console_init(void)
{
	/* Initialize the controllers */
	reg_script_run_on_dev(I2CGPIO_BDF, i2c_gpio_controller_init);
	reg_script_run_on_dev(LPC_BDF, legacy_gpio_init);

	/* Enable the HSUART */
	if (CONFIG(ENABLE_BUILTIN_HSUART0))
		reg_script_run_on_dev(HSUART0_BDF, hsuart_init);
	if (CONFIG(ENABLE_BUILTIN_HSUART1))
		reg_script_run_on_dev(HSUART1_BDF, hsuart_init);
}

int main(int argc, char ** argv)
{
	unsigned long size;
	long hpage_size;
	int pid, status;
	int i;
	int wait_list[MAX_PROCS];

	test_init(argc, argv);

	if (argc < 3)
		CONFIG("Usage:  %s <# procs> <# pages>", argv[0]);

	numprocs = atoi(argv[1]);
	nr_hugepages = atoi(argv[2]);

	if (numprocs > MAX_PROCS)
		CONFIG("Cannot spawn more than %d processes", MAX_PROCS);

	check_hugetlb_shm_group();

	hpage_size = check_hugepagesize();
        size = hpage_size * nr_hugepages;
	verbose_printf("Requesting %lu bytes\n", size);
	if ((shmid = shmget(2, size, SHM_HUGETLB|IPC_CREAT|SHM_R|SHM_W )) < 0)
		FAIL("shmget(): %s", strerror(errno));

	verbose_printf("shmid: %d\n", shmid);

	verbose_printf("Spawning children:\n");
	for (i=0; i<numprocs; i++) {
		if ((pid = fork()) < 0)
			FAIL("fork(): %s", strerror(errno));

		if (pid == 0)
			do_child(i, size);

		wait_list[i] = pid;
	}

	for (i=0; i<numprocs; i++) {
		waitpid(wait_list[i], &status, 0);
		if (WEXITSTATUS(status) != 0)
			FAIL("Thread %d (pid=%d) failed", i, wait_list[i]);

		if (WIFSIGNALED(status))
			FAIL("Thread %d (pid=%d) received unhandled signal",
			     i, wait_list[i]);
	}

	PASS();
}