Example #1
0
int appfs_mem_getinfo(const devfs_handle_t * handle, void * ctl){
	DECLARE_APPFS_CONFIG();
	mem_info_t * info = ctl;
	if( ctl == 0 ){ return SYSFS_SET_RETURN(EINVAL); }
	info->flash_pages = get_memory_page_count(config, MEM_FLAG_IS_FLASH);
	info->flash_size = get_memory_size(config, MEM_FLAG_IS_FLASH);
	info->ram_pages = get_memory_page_count(config, MEM_FLAG_IS_RAM);
	info->ram_size = get_memory_size(config, MEM_FLAG_IS_RAM);
	info->system_ram_page = config->system_ram_page;
	info->usage = config->usage;
	info->usage_size = config->usage_size;
	return 0;
}
Example #2
0
static void cpu_pci_domain_set_resources(device_t dev)
{
	u32 pci_tolm = find_pci_tolm(dev->link_list);
	unsigned long tomk = 0, tolmk;
	int idx;

	tomk = get_memory_size();
	printk(BIOS_DEBUG, "Detected %lu Kbytes (%lu MiB) RAM.\n",
	       tomk, tomk / 1024);

	/* Compute the top of Low memory */
	tolmk = pci_tolm >> 10;
	if (tolmk >= tomk) {
		/* The PCI hole does not overlap the memory. */
		tolmk = tomk;
	}

	/* Report the memory regions. */
	idx = 10;
	ram_resource(dev, idx++, 0, 640);
	ram_resource(dev, idx++, 768, tolmk - 768);

	set_top_of_ram(tomk * 1024);

	assign_resources(dev->link_list);
}
Example #3
0
static int hw_dev_open(int dev_index)
{
	struct sr_dev_inst *sdi;
	struct context *ctx;
	int ret;

	if (!(sdi = zp_open_dev(dev_index))) {
		sr_err("zp: unable to open device");
		return SR_ERR;
	}

	/* TODO: Note: sdi is retrieved in zp_open_dev(). */

	if (!(ctx = sdi->priv)) {
		sr_err("zp: %s: sdi->priv was NULL", __func__);
		return SR_ERR_ARG;
	}

	ret = libusb_set_configuration(ctx->usb->devhdl, USB_CONFIGURATION);
	if (ret < 0) {
		sr_err("zp: Unable to set USB configuration %d: %d",
		       USB_CONFIGURATION, ret);
		return SR_ERR;
	}

	ret = libusb_claim_interface(ctx->usb->devhdl, USB_INTERFACE);
	if (ret != 0) {
		sr_err("zp: Unable to claim interface: %d", ret);
		return SR_ERR;
	}

	analyzer_reset(ctx->usb->devhdl);
	analyzer_initialize(ctx->usb->devhdl);

	analyzer_set_memory_size(MEMORY_SIZE_512K);
	// analyzer_set_freq(g_freq, g_freq_scale);
	analyzer_set_trigger_count(1);
	// analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger)
	// * get_memory_size(g_memory_size)) / 100) >> 2);
	analyzer_set_ramsize_trigger_address(
		(100 * get_memory_size(MEMORY_SIZE_512K) / 100) >> 2);

#if 0
	if (g_double_mode == 1)
		analyzer_set_compression(COMPRESSION_DOUBLE);
	else if (g_compression == 1)
		analyzer_set_compression(COMPRESSION_ENABLE);
	else
#endif
	analyzer_set_compression(COMPRESSION_NONE);

	if (ctx->cur_samplerate == 0) {
		/* Samplerate hasn't been set. Default to the slowest one. */
		if (hw_dev_config_set(dev_index, SR_HWCAP_SAMPLERATE,
		     &samplerates.list[0]) == SR_ERR)
			return SR_ERR;
	}

	return SR_OK;
}
Example #4
0
SR_PRIV void set_triggerbar(struct dev_context *devc)
{
	unsigned int ramsize, n, triggerbar;

	ramsize = get_memory_size(devc->memory_size) / 4;
	if (devc->trigger) {
		n = ramsize;
		if (devc->max_memory_size < n)
			n = devc->max_memory_size;
		if (devc->limit_samples < n)
			n = devc->limit_samples;
		n = n * devc->capture_ratio / 100;
		if (n > ramsize - 8)
			triggerbar = ramsize - 8;
		else
			triggerbar = n;
	} else {
		triggerbar = 0;
	}
	analyzer_set_triggerbar_address(triggerbar);
	analyzer_set_ramsize_trigger_address(ramsize - triggerbar);

	sr_dbg("triggerbar_address = %d(0x%x)", triggerbar, triggerbar);
	sr_dbg("ramsize_triggerbar_address = %d(0x%x)",
	       ramsize - triggerbar, ramsize - triggerbar);
}
/*
 * Class:     sharedmemory_SharedMemory
 * Method:    get_memory_size
 * Signature: (Ljava/lang/String;)J
 */
JNIEXPORT jlong JNICALL Java_sharedmemory_SharedMemory_get_1memory_1size
  (JNIEnv *env, jobject obj, jstring descriptor) {
  	 long ret = -1;
    const char* desc = (*env)->GetStringUTFChars( env, descriptor , NULL ) ;
    ret = get_memory_size(desc);
    (*env)->ReleaseStringUTFChars(env, descriptor ,desc);
    return ret;
}
Example #6
0
// Hooks free function
void free(void *ptr)
{
  extern void __free(void *);
  static size_t get_memory_size(void *ptr);
  size_t size;

  size = get_memory_size(ptr);
  malloc_mem_monitor -= size;
  __free(ptr);
}
Example #7
0
void mem_init(){
	mem_size = get_memory_size();
	mem_table_size = (mem_size-MEM_USEABLE_ADDRESS)/(4*1024)/8;
	mem_table = (uint8_t *)MEM_TABLE_ADDRESS;
	mem_list = (mem_list_t *)MEM_LIST_ADDRESS;
	for(int i = 0;i<mem_table_size;i++){
		mem_table[i] = 0;
	}
	for(int i = 0;i<MEM_LIST_LENGTH;i++){
		(mem_list + i)->address = 0;
	}
}
/*
 * Class:     sharedmemory_SharedMemory
 * Method:    map_existing_memory
 * Signature: (Ljava/lang/String;)Ljava/nio/ByteBuffer;
 */
JNIEXPORT jobject JNICALL Java_sharedmemory_SharedMemory_map_1existing_1memory
  (JNIEnv *env, jobject obj, jstring descriptor) {
  	jobject ret = NULL;
  	char* memory;
  	long size = 0;
  	
  	const char* desc = (*env)->GetStringUTFChars( env, descriptor , NULL ) ;
  	size = get_memory_size(desc);  	
  	memory = map_memory(desc, size);
  	ret = (*env)->NewDirectByteBuffer(env, (void*) memory, size);
  	(*env)->ReleaseStringUTFChars(env, descriptor ,desc);
  	return ret;
}
Example #9
0
static int rdc_get_smbios_data16(int handle, unsigned long *current)
{
	struct smbios_type16 *t = (struct smbios_type16 *)*current;
	int len = sizeof(struct smbios_type16);

	memset(t, 0, sizeof(struct smbios_type16));
	t->type = SMBIOS_PHYS_MEMORY_ARRAY;
	t->handle = handle;
	t->length = len - 2;
	t->location = 3; /* Location: System Board */
	t->use = 3; /* System memory */
	t->memory_error_correction = 3; /* No error correction */
	t->maximum_capacity = get_memory_size();
	*current += len;
	return len;
}
DownloadFlowController *DownloadFlowController::get_instance(apr_shm_t *shm)
{
    DownloadFlowController *flow_controller;

#ifdef DEBUG
    if (apr_shm_size_get(shm) != get_memory_size()) {
        THROW(MESSAGE_SHM_SIZE_INVALID);
    }
#endif

    flow_controller =
        reinterpret_cast<DownloadFlowController *>(apr_shm_baseaddr_get(shm));
    new(flow_controller) DownloadFlowController;

    return flow_controller;
}
Example #11
0
SR_PRIV int set_limit_samples(struct dev_context *devc, uint64_t samples)
{
	devc->limit_samples = samples;

	if (samples <= 2 * 1024)
		devc->memory_size = MEMORY_SIZE_8K;
	else if (samples <= 16 * 1024)
		devc->memory_size = MEMORY_SIZE_64K;
	else if (samples <= 32 * 1024 || devc->max_memory_size <= 32 * 1024)
		devc->memory_size = MEMORY_SIZE_128K;
	else
		devc->memory_size = MEMORY_SIZE_512K;

	sr_info("Setting memory size to %dK.",
		get_memory_size(devc->memory_size) / 1024);

	analyzer_set_memory_size(devc->memory_size);

	return SR_OK;
}
Example #12
0
static int dev_acquisition_start(const struct sr_dev_inst *sdi,
		void *cb_data)
{
	struct dev_context *devc;
	struct sr_usb_dev_inst *usb;
	struct sr_datafeed_packet packet;
	struct sr_datafeed_logic logic;
	unsigned int samples_read;
	int res;
	unsigned int packet_num, n;
	unsigned char *buf;
	unsigned int status;
	unsigned int stop_address;
	unsigned int now_address;
	unsigned int trigger_address;
	unsigned int trigger_offset;
	unsigned int triggerbar;
	unsigned int ramsize_trigger;
	unsigned int memory_size;
	unsigned int valid_samples;
	unsigned int discard;
	int trigger_now;

	if (sdi->status != SR_ST_ACTIVE)
		return SR_ERR_DEV_CLOSED;

	if (!(devc = sdi->priv)) {
		sr_err("%s: sdi->priv was NULL", __func__);
		return SR_ERR_ARG;
	}

	if (configure_channels(sdi) != SR_OK) {
		sr_err("Failed to configure channels.");
		return SR_ERR;
	}

	usb = sdi->conn;

	set_triggerbar(devc);

	/* Push configured settings to device. */
	analyzer_configure(usb->devhdl);

	analyzer_start(usb->devhdl);
	sr_info("Waiting for data.");
	analyzer_wait_data(usb->devhdl);

	status = analyzer_read_status(usb->devhdl);
	stop_address = analyzer_get_stop_address(usb->devhdl);
	now_address = analyzer_get_now_address(usb->devhdl);
	trigger_address = analyzer_get_trigger_address(usb->devhdl);

	triggerbar = analyzer_get_triggerbar_address();
	ramsize_trigger = analyzer_get_ramsize_trigger_address();

	n = get_memory_size(devc->memory_size);
	memory_size = n / 4;

	sr_info("Status = 0x%x.", status);
	sr_info("Stop address       = 0x%x.", stop_address);
	sr_info("Now address        = 0x%x.", now_address);
	sr_info("Trigger address    = 0x%x.", trigger_address);
	sr_info("Triggerbar address = 0x%x.", triggerbar);
	sr_info("Ramsize trigger    = 0x%x.", ramsize_trigger);
	sr_info("Memory size        = 0x%x.", memory_size);

	/* Send header packet to the session bus. */
	std_session_send_df_header(cb_data, LOG_PREFIX);

	/* Check for empty capture */
	if ((status & STATUS_READY) && !stop_address) {
		packet.type = SR_DF_END;
		sr_session_send(cb_data, &packet);
		return SR_OK;
	}

	if (!(buf = g_try_malloc(PACKET_SIZE))) {
		sr_err("Packet buffer malloc failed.");
		return SR_ERR_MALLOC;
	}

	/* Check if the trigger is in the samples we are throwing away */
	trigger_now = now_address == trigger_address ||
		((now_address + 1) % memory_size) == trigger_address;

	/*
	 * STATUS_READY doesn't clear until now_address advances past
	 * addr 0, but for our logic, clear it in that case
	 */
	if (!now_address)
		status &= ~STATUS_READY;

	analyzer_read_start(usb->devhdl);

	/* Calculate how much data to discard */
	discard = 0;
	if (status & STATUS_READY) {
		/*
		 * We haven't wrapped around, we need to throw away data from
		 * our current position to the end of the buffer.
		 * Additionally, the first two samples captured are always
		 * bogus.
		 */
		discard += memory_size - now_address + 2;
		now_address = 2;
	}

	/* If we have more samples than we need, discard them */
	valid_samples = (stop_address - now_address) % memory_size;
	if (valid_samples > ramsize_trigger + triggerbar) {
		discard += valid_samples - (ramsize_trigger + triggerbar);
		now_address += valid_samples - (ramsize_trigger + triggerbar);
	}

	sr_info("Need to discard %d samples.", discard);

	/* Calculate how far in the trigger is */
	if (trigger_now)
		trigger_offset = 0;
	else
		trigger_offset = (trigger_address - now_address) % memory_size;

	/* Recalculate the number of samples available */
	valid_samples = (stop_address - now_address) % memory_size;

	/* Send the incoming transfer to the session bus. */
	samples_read = 0;
	for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) {
		unsigned int len;
		unsigned int buf_offset;

		res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE);
		sr_info("Tried to read %d bytes, actually read %d bytes.",
			PACKET_SIZE, res);

		if (discard >= PACKET_SIZE / 4) {
			discard -= PACKET_SIZE / 4;
			continue;
		}

		len = PACKET_SIZE - discard * 4;
		buf_offset = discard * 4;
		discard = 0;

		/* Check if we've read all the samples */
		if (samples_read + len / 4 >= valid_samples)
			len = (valid_samples - samples_read) * 4;
		if (!len)
			break;

		if (samples_read < trigger_offset &&
		    samples_read + len / 4 > trigger_offset) {
			/* Send out samples remaining before trigger */
			packet.type = SR_DF_LOGIC;
			packet.payload = &logic;
			logic.length = (trigger_offset - samples_read) * 4;
			logic.unitsize = 4;
			logic.data = buf + buf_offset;
			sr_session_send(cb_data, &packet);
			len -= logic.length;
			samples_read += logic.length / 4;
			buf_offset += logic.length;
		}

		if (samples_read == trigger_offset) {
			/* Send out trigger */
			packet.type = SR_DF_TRIGGER;
			packet.payload = NULL;
			sr_session_send(cb_data, &packet);
		}

		/* Send out data (or data after trigger) */
		packet.type = SR_DF_LOGIC;
		packet.payload = &logic;
		logic.length = len;
		logic.unitsize = 4;
		logic.data = buf + buf_offset;
		sr_session_send(cb_data, &packet);
		samples_read += len / 4;
	}
	analyzer_read_stop(usb->devhdl);
	g_free(buf);

	packet.type = SR_DF_END;
	sr_session_send(cb_data, &packet);

	return SR_OK;
}
Example #13
0
/* given a xa_instance_t struct with the xc_handle and the
 * domain_id filled in, this function will fill in the rest
 * of the values using queries to libxc. */
int helper_init (xa_instance_t *instance)
{
    int ret = XA_SUCCESS;
    uint32_t local_offset = 0;
    unsigned char *memory = NULL;

    if (XA_MODE_XEN == instance->mode){
#ifdef ENABLE_XEN
        /* init instance->m.xen.xc_handle */
        if (xc_domain_getinfo(
                instance->m.xen.xc_handle, instance->m.xen.domain_id,
                1, &(instance->m.xen.info)
            ) != 1){
            fprintf(stderr, "ERROR: Failed to get domain info\n");
            ret = xa_report_error(instance, 0, XA_ECRITICAL);
            if (XA_FAILURE == ret) goto error_exit;
        }
        xa_dbprint("--got domain info.\n");

        /* find the version of xen that we are running */
        init_xen_version(instance);
#endif /* ENABLE_XEN */
    }

    /* read in configure file information */
    if (read_config_file(instance) == XA_FAILURE){
        ret = xa_report_error(instance, 0, XA_EMINOR);
        if (XA_FAILURE == ret) goto error_exit;
    }
    
    /* determine the page sizes and layout for target OS */
    if (XA_MODE_XEN == instance->mode){
#ifdef ENABLE_XEN
        if (get_page_info_xen(instance) == XA_FAILURE){
            fprintf(stderr, "ERROR: memory layout not supported\n");
            ret = xa_report_error(instance, 0, XA_ECRITICAL);
            if (XA_FAILURE == ret) goto error_exit;
        }
#endif /* ENABLE_XEN */
    }
    else{
        /*TODO add memory layout discovery here for file */
        instance->hvm = 1; /* assume nonvirt image or hvm image for now */
        instance->pae = 0; /* assume no pae for now */
    }
    xa_dbprint("--got memory layout.\n");

    /* setup the correct page offset size for the target OS */
    init_page_offset(instance);

    if (XA_MODE_XEN == instance->mode){
#ifdef ENABLE_XEN
        /* init instance->hvm */
        instance->hvm = xa_ishvm(instance->m.xen.domain_id);
#ifdef XA_DEBUG
        if (instance->hvm){
            xa_dbprint("**set instance->hvm to true (HVM).\n");
        }
        else{
            xa_dbprint("**set instance->hvm to false (PV).\n");
        }
#endif /* XA_DEBUG */
#endif /* ENABLE_XEN */
    }

    /* get the memory size */
    if (get_memory_size(instance) == XA_FAILURE){
        fprintf(stderr, "ERROR: Failed to get memory size.\n");
        ret = xa_report_error(instance, 0, XA_ECRITICAL);
        if (XA_FAILURE == ret) goto error_exit;
    }

    /* setup OS specific stuff */
    if (instance->os_type == XA_OS_LINUX){
        ret = linux_init(instance);
    }
    else if (instance->os_type == XA_OS_WINDOWS){
        ret = windows_init(instance);
    }

error_exit:
    return ret;
}
Example #14
0
static void *thread_main_loop(void *_state)
{
	struct thread_state *state = (struct thread_state *)_state;
	struct packet *pkt = NULL;
	sigset_t set;
#ifdef HAKA_MEMCHECK
	int64 pkt_count=0;
	const int mem_rate=10;
#endif

	thread_setid(state->thread_id);

	if (!state->pool->single) {
		/* Block all signal to let the main thread handle them */
		sigfillset(&set);
		sigdelset(&set, SIGSEGV);
		sigdelset(&set, SIGILL);
		sigdelset(&set, SIGFPE);

		if (!thread_sigmask(SIG_BLOCK, &set, NULL)) {
			LOG_FATAL(core, "%s", clear_error());
			barrier_wait(&state->pool->thread_start_sync);
			state->state = STATE_ERROR;
			return NULL;
		}

		if (!timer_init_thread()) {
			LOG_FATAL(core, "%s", clear_error());
			barrier_wait(&state->pool->thread_start_sync);
			state->state = STATE_ERROR;
			return NULL;
		}

		/* To make sure we can still cancel even if some thread are locked in
		 * infinite loops */
		if (!thread_setcanceltype(THREAD_CANCEL_ASYNCHRONOUS)) {
			LOG_FATAL(core, "%s", clear_error());
			barrier_wait(&state->pool->thread_start_sync);
			state->state = STATE_ERROR;
			return NULL;
		}

		if (!init_thread_lua_state(state)) {
			barrier_wait(&state->pool->thread_start_sync);
			state->state = STATE_ERROR;
			return NULL;
		}
	}

	state->engine = engine_thread_init(state->lua->L, state->thread_id);
	engine_thread_update_status(state->engine, THREAD_RUNNING);

	packet_init(state->capture);

	if (!state->pool->single) {
		if (!barrier_wait(&state->pool->thread_start_sync)) {
			LOG_FATAL(core, "%s", clear_error());
			state->state = STATE_ERROR;
			engine_thread_update_status(state->engine, THREAD_DEFUNC);
			return NULL;
		}
	}

	if (!state->pool->single) {
		if (!barrier_wait(&state->pool->thread_sync)) {
			LOG_FATAL(core, "%s", clear_error());
			state->state = STATE_ERROR;
			engine_thread_update_status(state->engine, THREAD_DEFUNC);
			return NULL;
		}
	}

	lua_state_trigger_haka_event(state->lua, "started");

	engine_thread_update_status(state->engine, THREAD_WAITING);

	while (packet_receive(state->engine, &pkt) == 0) {
		engine_thread_update_status(state->engine, THREAD_RUNNING);

		/* The packet can be NULL in case of failure in packet receive */
		if (pkt) {
			filter_wrapper(state, pkt);
			pkt = NULL;
		}

		lua_state_runinterrupt(state->lua);
		engine_thread_check_remote_launch(state->engine);

		if (state->pool->attach_debugger > state->attach_debugger) {
			luadebug_debugger_start(state->lua->L, true);
			state->attach_debugger = state->pool->attach_debugger;
		}

		engine_thread_update_status(state->engine, THREAD_WAITING);

#ifdef HAKA_MEMCHECK
		if (((pkt_count++) % mem_rate) == 0) {
			size_t vmsize, rss;
			if (!get_memory_size(&vmsize, &rss)) {
				LOG_ERROR(core, "cannot get memory report: %s", clear_error());
			}
			else {
				const size_t luasize = lua_gc(state->lua->L, LUA_GCCOUNT, 0);
				LOG_DEBUG(core, "memory report: thread=%d vmsize=%zd rsssize=%zd luasize=%zd",
						engine_thread_id(state->engine), vmsize, rss, luasize);
			}
		}
#endif

		if (state->pool->stop) {
			break;
		}
	}

	state->state = STATE_FINISHED;
	engine_thread_update_status(state->engine, THREAD_STOPPED);

	return NULL;
}