diff --git a/debuggerd/Android.mk b/debuggerd/Android.mk
index 752c953..6cfe79b 100644
--- a/debuggerd/Android.mk
+++ b/debuggerd/Android.mk
@@ -29,7 +29,7 @@
 LOCAL_SRC_FILES += $(TARGET_ARCH)/crashglue.S
 LOCAL_MODULE := crasher
 LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
-LOCAL_MODULE_TAGS := eng
+LOCAL_MODULE_TAGS := optional
 #LOCAL_FORCE_STATIC_EXECUTABLE := true
 LOCAL_SHARED_LIBRARIES := libcutils libc
 include $(BUILD_EXECUTABLE)
@@ -45,7 +45,7 @@
 LOCAL_SRC_FILES := vfp-crasher.c vfp.S
 LOCAL_MODULE := vfp-crasher
 LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
-LOCAL_MODULE_TAGS := eng
+LOCAL_MODULE_TAGS := optional
 LOCAL_SHARED_LIBRARIES := libcutils libc
 include $(BUILD_EXECUTABLE)
 endif # ARCH_ARM_HAVE_VFP == true
diff --git a/debuggerd/arm/machine.c b/debuggerd/arm/machine.c
index 4eb97a3..88bf054 100644
--- a/debuggerd/arm/machine.c
+++ b/debuggerd/arm/machine.c
@@ -32,6 +32,7 @@
 #include <cutils/properties.h>
 
 #include <linux/input.h>
+#include <linux/user.h>
 
 #include "utility.h"
 
@@ -53,7 +54,7 @@
                          int unwind_depth, unsigned int sp_list[],
                          bool at_fault)
 {
-    unsigned int sp, pc, p, end, data;
+    unsigned int sp, pc, lr, p, end, data;
     struct pt_regs r;
     int sp_depth;
     bool only_in_tombstone = !at_fault;
@@ -62,23 +63,25 @@
     if(ptrace(PTRACE_GETREGS, pid, 0, &r)) return;
     sp = r.ARM_sp;
     pc = r.ARM_pc;
+    lr = r.ARM_lr;
 
     _LOG(tfd, only_in_tombstone, "\ncode around pc:\n");
 
-    end = p = pc & ~3;
+    p = pc & ~3;
     p -= 32;
-    if (p > end)
+    if (p > pc)
         p = 0;
-    end += 32;
-    if (end < p)
-        end = ~0;
+    end = p + 80;
+    /* 'end - p' has to be multiples of 16 */
+    while (end < p)
+        end -= 16;
 
     /* Dump the code around PC as:
      *  addr       contents
      *  00008d34   fffffcd0 4c0eb530 b0934a0e 1c05447c
      *  00008d44   f7ff18a0 490ced94 68035860 d0012b00
      */
-    while (p <= end) {
+    while (p <  end) {
         int i;
 
         sprintf(code_buffer, "%08x ", p);
@@ -90,23 +93,24 @@
         _LOG(tfd, only_in_tombstone, "%s\n", code_buffer);
     }
 
-    if ((unsigned) r.ARM_lr != pc) {
+    if (lr != pc) {
         _LOG(tfd, only_in_tombstone, "\ncode around lr:\n");
 
-        end = p = r.ARM_lr & ~3;
+        p = lr & ~3;
         p -= 32;
-        if (p > end)
+        if (p > lr)
             p = 0;
-        end += 32;
-        if (end < p)
-            end = ~0;
+        end = p + 80;
+        /* 'end - p' has to be multiples of 16 */
+        while (end < p)
+            end -= 16;
 
         /* Dump the code around LR as:
          *  addr       contents
          *  00008d34   fffffcd0 4c0eb530 b0934a0e 1c05447c
          *  00008d44   f7ff18a0 490ced94 68035860 d0012b00
          */
-        while (p <= end) {
+        while (p < end) {
             int i;
 
             sprintf(code_buffer, "%08x ", p);
@@ -132,10 +136,10 @@
         }
     }
     else {
-        end = sp | 0x000000ff;
-        end += 0xff;
-        if (end < sp)
-            end = ~0;
+        end = p + 256;
+        /* 'end - p' has to be multiples of 4 */
+        if (end < p)
+            end = ~7;
     }
 
     _LOG(tfd, only_in_tombstone, "\nstack:\n");
@@ -173,8 +177,9 @@
     /* print another 64-byte of stack data after the last frame */
 
     end = p+64;
+    /* 'end - p' has to be multiples of 4 */
     if (end < p)
-        end = ~0;
+        end = ~7;
 
     while (p <= end) {
          data = ptrace(PTRACE_PEEKTEXT, pid, (void*)p, NULL);
diff --git a/debuggerd/symbol_table.c b/debuggerd/symbol_table.c
index fd008fe..23572a3 100644
--- a/debuggerd/symbol_table.c
+++ b/debuggerd/symbol_table.c
@@ -50,7 +50,7 @@
     int length;
     char *base;
 
-    XLOG("Creating symbol table for %s\n", filename);
+    XLOG2("Creating symbol table for %s\n", filename);
     int fd = open(filename, O_RDONLY);
 
     if(fd < 0) {
@@ -126,7 +126,7 @@
                 dynsymbol_count++;
             }
         }
-        XLOG("Dynamic Symbol count: %d\n", dynsymbol_count);
+        XLOG2("Dynamic Symbol count: %d\n", dynsymbol_count);
     }
 
     if (sym_idx != -1) {
@@ -139,7 +139,7 @@
                 symbol_count++;
             }
         }
-        XLOG("Symbol count: %d\n", symbol_count);
+        XLOG2("Symbol count: %d\n", symbol_count);
     }
 
     // Now, create an entry in our symbol table structure for each symbol...
@@ -160,7 +160,7 @@
                 table->symbols[j].name = strdup(dynstr + dynsyms[i].st_name);
                 table->symbols[j].addr = dynsyms[i].st_value;
                 table->symbols[j].size = dynsyms[i].st_size;
-                XLOG("name: %s, addr: %x, size: %x\n",
+                XLOG2("name: %s, addr: %x, size: %x\n",
                     table->symbols[j].name, table->symbols[j].addr, table->symbols[j].size);
                 j++;
             }
@@ -176,7 +176,7 @@
                 table->symbols[j].name = strdup(str + syms[i].st_name);
                 table->symbols[j].addr = syms[i].st_value;
                 table->symbols[j].size = syms[i].st_size;
-                XLOG("name: %s, addr: %x, size: %x\n",
+                XLOG2("name: %s, addr: %x, size: %x\n",
                     table->symbols[j].name, table->symbols[j].addr, table->symbols[j].size);
                 j++;
             }
diff --git a/debuggerd/utility.h b/debuggerd/utility.h
index 0682b85..45e2067 100644
--- a/debuggerd/utility.h
+++ b/debuggerd/utility.h
@@ -57,10 +57,19 @@
 extern void _LOG(int tfd, bool in_tombstone_only, const char *fmt, ...);
 
 #define LOG(fmt...) _LOG(-1, 0, fmt)
+
+/* Set to 1 for normal debug traces */
 #if 0
 #define XLOG(fmt...) _LOG(-1, 0, fmt)
 #else
 #define XLOG(fmt...) do {} while(0)
 #endif
 
+/* Set to 1 for chatty debug traces. Includes all resolved dynamic symbols */
+#if 0
+#define XLOG2(fmt...) _LOG(-1, 0, fmt)
+#else
+#define XLOG2(fmt...) do {} while(0)
+#endif
+
 #endif
diff --git a/fastboot/fastboot.c b/fastboot/fastboot.c
index 973510a..2ddc4f8 100644
--- a/fastboot/fastboot.c
+++ b/fastboot/fastboot.c
@@ -9,7 +9,7 @@
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the 
+ *    the documentation and/or other materials provided with the
  *    distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
@@ -19,7 +19,7 @@
  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
@@ -68,7 +68,7 @@
     fprintf(stderr,"\n");
     va_end(ap);
     exit(1);
-}    
+}
 
 void get_my_path(char *path);
 
@@ -99,13 +99,13 @@
                 "../../../target/product/%s/%s", product, fn);
         return strdup(path);
     }
-        
+
     dir = getenv("ANDROID_PRODUCT_OUT");
     if((dir == 0) || (dir[0] == 0)) {
         die("neither -p product specified nor ANDROID_PRODUCT_OUT set");
         return 0;
     }
-    
+
     sprintf(path, "%s/%s", dir, fn);
     return strdup(path);
 }
@@ -189,12 +189,12 @@
     int announce = 1;
 
     if(usb) return usb;
-    
+
     for(;;) {
         usb = usb_open(match_fastboot);
         if(usb) return usb;
         if(announce) {
-            announce = 0;    
+            announce = 0;
             fprintf(stderr,"< waiting for device >\n");
         }
         sleep(1);
@@ -226,6 +226,7 @@
             "  continue                                 continue with autoboot\n"
             "  reboot                                   reboot device normally\n"
             "  reboot-bootloader                        reboot device into bootloader\n"
+            "  help                                     show this help message\n"
             "\n"
             "options:\n"
             "  -w                                       erase userdata and cache\n"
@@ -236,7 +237,6 @@
             "  -b <base_addr>                           specify a custom kernel base address\n"
             "  -n <page size>                           specify the nand page size. default: 2048\n"
         );
-    exit(1);
 }
 
 void *load_bootable_image(unsigned page_size, const char *kernel, const char *ramdisk,
@@ -257,16 +257,16 @@
         fprintf(stderr, "cannot load '%s'\n", kernel);
         return 0;
     }
-    
+
         /* is this actually a boot image? */
     if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
         if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
-        
+
         if(ramdisk) {
             fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
             return 0;
         }
-        
+
         *sz = ksize;
         return kdata;
     }
@@ -288,7 +288,7 @@
     if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
     fprintf(stderr,"creating boot image - %d bytes\n", bsize);
     *sz = bsize;
-    
+
     return bdata;
 }
 
@@ -297,7 +297,7 @@
     void *data;
     zipentry_t entry;
     unsigned datasz;
-    
+
     entry = lookup_zipentry(zip, name);
     if (entry == NULL) {
         fprintf(stderr, "archive does not contain '%s'\n", name);
@@ -343,7 +343,7 @@
     unsigned n, count;
     char *x;
     int invert = 0;
-    
+
     if (!strncmp(name, "reject ", 7)) {
         name += 7;
         invert = 1;
@@ -363,10 +363,10 @@
         *x = 0;
         val[count] = x + 1;
     }
-    
+
     name = strip(name);
     for(n = 0; n < count; n++) val[n] = strip(val[n]);
-    
+
     name = strip(name);
     if (name == 0) return -1;
 
@@ -477,11 +477,11 @@
     void *data;
     unsigned sz;
     char *xtn;
-	
+
     xtn = strrchr(fn, '.');
     if (!xtn) return;
     if (strcmp(xtn, ".img")) return;
-	
+
     strcpy(xtn,".sig");
     data = load_file(fn, &sz);
     strcpy(xtn,".img");
@@ -521,18 +521,18 @@
     data = load_file(fname, &sz);
     if (data == 0) die("could not load system.img");
     do_send_signature(fname);
-    fb_queue_flash("system", data, sz);   
+    fb_queue_flash("system", data, sz);
 }
 
 #define skip(n) do { argc -= (n); argv += (n); } while (0)
-#define require(n) do { if (argc < (n)) usage(); } while (0)
+#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
 
 int do_oem_command(int argc, char **argv)
 {
     int i;
     char command[256];
     if (argc <= 1) return 0;
-    
+
     command[0] = 0;
     while(1) {
         strcat(command,*argv);
@@ -541,7 +541,7 @@
         strcat(command," ");
     }
 
-    fb_queue_command(command,"");    
+    fb_queue_command(command,"");
     return 0;
 }
 
@@ -566,6 +566,12 @@
         return 0;
     }
 
+    if (!strcmp(*argv, "help")) {
+        usage();
+        return 0;
+    }
+
+
     serial = getenv("ANDROID_SERIAL");
 
     while (argc > 0) {
@@ -690,7 +696,7 @@
             argc = do_oem_command(argc, argv);
         } else {
             usage();
-	    return 1;
+            return 1;
         }
     }
 
diff --git a/gpttool/Android.mk b/gpttool/Android.mk
new file mode 100644
index 0000000..a9fffe9
--- /dev/null
+++ b/gpttool/Android.mk
@@ -0,0 +1,14 @@
+ifeq ($(HOST_OS),linux)
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := gpttool.c
+LOCAL_STATIC_LIBRARIES := libz
+
+LOCAL_MODULE := gpttool
+LOCAL_MODULE_TAGS := eng
+
+include $(BUILD_HOST_EXECUTABLE)
+
+endif
diff --git a/gpttool/gpttool.c b/gpttool/gpttool.c
new file mode 100644
index 0000000..05d5177
--- /dev/null
+++ b/gpttool/gpttool.c
@@ -0,0 +1,376 @@
+/* system/core/gpttool/gpttool.c
+**
+** Copyright 2011, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+
+#include <zlib.h>
+
+#include <linux/fs.h>
+
+#include <sys/stat.h>
+
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned int u32;
+typedef unsigned long long u64;
+
+const u8 partition_type_uuid[16] = {
+	0xa2, 0xa0, 0xd0, 0xeb, 0xe5, 0xb9, 0x33, 0x44,
+	0x87, 0xc0, 0x68, 0xb6, 0xb7, 0x26, 0x99, 0xc7,
+};
+
+
+#define EFI_VERSION 0x00010000
+#define EFI_MAGIC "EFI PART"
+#define EFI_ENTRIES 128
+#define EFI_NAMELEN 36
+
+struct efi_header {
+	u8 magic[8];
+
+	u32 version;
+	u32 header_sz;
+
+	u32 crc32;
+	u32 reserved;
+
+	u64 header_lba;
+	u64 backup_lba;
+	u64 first_lba;
+	u64 last_lba;
+
+	u8 volume_uuid[16];
+
+	u64 entries_lba;
+
+	u32 entries_count;
+	u32 entries_size;
+	u32 entries_crc32;
+} __attribute__((packed));
+
+struct efi_entry {
+	u8 type_uuid[16];
+	u8 uniq_uuid[16];
+	u64 first_lba;
+	u64 last_lba;
+	u64 attr;
+	u16 name[EFI_NAMELEN];
+};
+
+struct ptable {
+	u8 mbr[512];
+	union {
+		struct efi_header header;
+		u8 block[512];
+	};
+	struct efi_entry entry[EFI_ENTRIES];	
+};
+
+void get_uuid(u8 *uuid)
+{
+	int fd;
+	fd = open("/dev/urandom", O_RDONLY);
+	read(fd, uuid, 16);
+	close(fd);
+}
+
+void init_mbr(u8 *mbr, u32 blocks)
+{
+	mbr[0x1be] = 0x00; // nonbootable
+	mbr[0x1bf] = 0xFF; // bogus CHS
+	mbr[0x1c0] = 0xFF;
+	mbr[0x1c1] = 0xFF;
+
+	mbr[0x1c2] = 0xEE; // GPT partition
+	mbr[0x1c3] = 0xFF; // bogus CHS
+	mbr[0x1c4] = 0xFF;
+	mbr[0x1c5] = 0xFF;
+
+	mbr[0x1c6] = 0x01; // start
+	mbr[0x1c7] = 0x00;
+	mbr[0x1c8] = 0x00;
+	mbr[0x1c9] = 0x00;
+
+	memcpy(mbr + 0x1ca, &blocks, sizeof(u32));
+
+	mbr[0x1fe] = 0x55;
+	mbr[0x1ff] = 0xaa;
+}
+
+int add_ptn(struct ptable *ptbl, u64 first, u64 last, const char *name)
+{
+	struct efi_header *hdr = &ptbl->header;
+	struct efi_entry *entry = ptbl->entry;
+	unsigned n;
+
+	if (first < 34) {
+		fprintf(stderr,"partition '%s' overlaps partition table\n", name);
+		return -1;
+	}
+
+	if (last > hdr->last_lba) {
+		fprintf(stderr,"partition '%s' does not fit on disk\n", name);
+		return -1;
+	}
+	for (n = 0; n < EFI_ENTRIES; n++, entry++) {
+		if (entry->type_uuid[0])
+			continue;
+		memcpy(entry->type_uuid, partition_type_uuid, 16);
+		get_uuid(entry->uniq_uuid);
+		entry->first_lba = first;
+		entry->last_lba = last;
+		for (n = 0; (n < EFI_NAMELEN) && *name; n++)
+			entry->name[n] = *name++;
+		return 0;
+	}
+	fprintf(stderr,"out of partition table entries\n");
+	return -1;
+}
+
+int usage(void)
+{
+	fprintf(stderr,
+		"usage: gpttool write <disk> [ <partition> ]*\n"
+		"       gpttool read <disk>\n"
+		"       gpttool test [ <partition> ]*\n"
+		"\n"
+		"partition:  [<name>]:<size>[kmg] | @<file-of-partitions>\n"
+		);
+	return 0;
+}
+
+void show(struct ptable *ptbl)
+{
+	struct efi_entry *entry = ptbl->entry;
+	unsigned n, m;
+	char name[EFI_NAMELEN];
+
+	fprintf(stderr,"ptn  start block   end block     name\n");
+	fprintf(stderr,"---- ------------- ------------- --------------------\n");
+
+	for (n = 0; n < EFI_ENTRIES; n++, entry++) {
+		if (entry->type_uuid[0] == 0)
+			break;
+		for (m = 0; m < EFI_NAMELEN; m++) {
+			name[m] = entry->name[m] & 127;
+		}
+		name[m] = 0;
+		fprintf(stderr,"#%03d %13lld %13lld %s\n",
+			n + 1, entry->first_lba, entry->last_lba, name);
+	}
+}
+
+u64 find_next_lba(struct ptable *ptbl)
+{
+	struct efi_entry *entry = ptbl->entry;
+	unsigned n;
+	u64 a = 0;
+	for (n = 0; n < EFI_ENTRIES; n++, entry++) {
+		if ((entry->last_lba + 1) > a)
+			a = entry->last_lba + 1;
+	}
+	return a;
+}
+
+u64 next_lba = 0;
+
+u64 parse_size(char *sz)
+{
+	int l = strlen(sz);
+	u64 n = strtoull(sz, 0, 10);
+	if (l) {
+		switch(sz[l-1]){
+		case 'k':
+		case 'K':
+			n *= 1024;
+			break;
+		case 'm':
+		case 'M':
+			n *= (1024 * 1024);
+			break;
+		case 'g':
+		case 'G':
+			n *= (1024 * 1024 * 1024);
+			break;
+		}
+	}
+	return n;
+}
+
+int parse_ptn(struct ptable *ptbl, char *x)
+{
+	char *y = strchr(x, ':');
+	u64 sz;
+
+	if (!y) {
+		fprintf(stderr,"invalid partition entry: %s\n", x);
+		return -1;
+	}
+	*y++ = 0;
+
+	if (*y == 0) {
+		sz = ptbl->header.last_lba - next_lba;
+	} else {
+		sz = parse_size(y);
+		if (sz & 511) {
+			fprintf(stderr,"partition size must be multiple of 512\n");
+			return -1;
+		}
+		sz /= 512;
+	}
+
+	if (sz == 0) {
+		fprintf(stderr,"zero size partitions not allowed\n");
+		return -1;
+	}
+
+	if (x[0] && add_ptn(ptbl, next_lba, next_lba + sz - 1, x))
+		return -1;
+
+	next_lba = next_lba + sz;
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	struct ptable ptbl;
+	struct efi_entry *entry;
+	struct efi_header *hdr = &ptbl.header;
+	struct stat s;
+	u32 n;
+	u64 sz, blk;
+	int fd;
+	const char *device;
+	int real_disk = 0;
+
+	if (argc < 2)
+		return usage();
+
+	if (!strcmp(argv[1], "write")) {
+		if (argc < 3)
+			return usage();
+		device = argv[2];
+		argc -= 2;
+		argv += 2;
+		real_disk = 1;
+	} else if (!strcmp(argv[1], "test")) {
+		argc -= 1;
+		argv += 1;
+		real_disk = 0;
+		sz = 2097152 * 16;
+		fprintf(stderr,"< simulating 16GB disk >\n\n");
+	} else {
+		return usage();
+	}
+
+	if (real_disk) {
+		if (!strcmp(device, "/dev/sda") || 
+		    !strcmp(device, "/dev/sdb")) {
+			fprintf(stderr,"error: refusing to partition sda or sdb\n");
+			return -1;
+		}
+		
+		fd = open(device, O_RDWR);
+		if (fd < 0) {
+			fprintf(stderr,"error: cannot open '%s'\n", device);
+			return -1;
+		}
+		if (ioctl(fd, BLKGETSIZE64, &sz)) {
+			fprintf(stderr,"error: cannot query block device size\n");
+			return -1;
+		}
+		sz /= 512;
+		fprintf(stderr,"blocks %lld\n", sz);
+	}
+
+	memset(&ptbl, 0, sizeof(ptbl));
+
+	init_mbr(ptbl.mbr, sz - 1);
+
+	memcpy(hdr->magic, EFI_MAGIC, sizeof(hdr->magic));
+	hdr->version = EFI_VERSION;
+	hdr->header_sz = sizeof(struct efi_header);
+	hdr->header_lba = 1;
+	hdr->backup_lba = sz - 1;
+	hdr->first_lba = 34;
+	hdr->last_lba = sz - 1;
+	get_uuid(hdr->volume_uuid);
+	hdr->entries_lba = 2;
+	hdr->entries_count = 128;
+	hdr->entries_size = sizeof(struct efi_entry);
+
+	while (argc > 1) {
+		if (argv[1][0] == '@') {
+			char line[256], *p;
+			FILE *f;
+			f = fopen(argv[1] + 1, "r");
+			if (!f) {
+				fprintf(stderr,"cannot read partitions from '%s\n", argv[1]);
+				return -1;
+			}
+			while (fgets(line, sizeof(line), f)) {
+				p = line + strlen(line);
+				while (p > line) {
+					p--;
+					if (*p > ' ')
+						break;
+					*p = 0;
+				}
+				p = line;
+				while (*p && (*p <= ' '))
+					p++;
+				if (*p == '#')
+					continue;
+				if (*p == 0)
+					continue;
+				if (parse_ptn(&ptbl, p))
+					return -1;
+			}
+			fclose(f);
+		} else {	
+			if (parse_ptn(&ptbl, argv[1]))
+				return -1;
+		}
+		argc--;
+		argv++;
+	}
+
+	n = crc32(0, Z_NULL, 0);
+	n = crc32(n, (void*) ptbl.entry, sizeof(ptbl.entry));
+	hdr->entries_crc32 = n;
+
+	n = crc32(0, Z_NULL, 0);
+	n = crc32(n, (void*) &ptbl.header, sizeof(ptbl.header));
+	hdr->crc32 = n;
+
+	show(&ptbl);
+
+	if (real_disk) {
+  		write(fd, &ptbl, sizeof(ptbl));
+		fsync(fd);
+
+		if (ioctl(fd, BLKRRPART, 0)) {
+			fprintf(stderr,"could not re-read partition table\n");
+		}
+		close(fd);
+	}
+	return 0;
+}
diff --git a/include/netutils/dhcp.h b/include/netutils/dhcp.h
index 96798c5..bd16240 100644
--- a/include/netutils/dhcp.h
+++ b/include/netutils/dhcp.h
@@ -24,12 +24,12 @@
 
 extern int do_dhcp(char *iname);
 extern int dhcp_do_request(const char *ifname,
-                          in_addr_t *ipaddr,
-                          in_addr_t *gateway,
-                          in_addr_t *mask,
-                          in_addr_t *dns1,
-                          in_addr_t *dns2,
-                          in_addr_t *server,
+                          char *ipaddr,
+                          char *gateway,
+                          uint32_t *prefixLength,
+                          char *dns1,
+                          char *dns2,
+                          char *server,
                           uint32_t  *lease);
 extern int dhcp_stop(const char *ifname);
 extern int dhcp_release_lease(const char *ifname);
diff --git a/include/netutils/ifc.h b/include/netutils/ifc.h
index e245262..36827ee 100644
--- a/include/netutils/ifc.h
+++ b/include/netutils/ifc.h
@@ -36,8 +36,10 @@
 
 extern int ifc_reset_connections(const char *ifname);
 
+extern int ifc_get_addr(const char *name, in_addr_t *addr);
 extern int ifc_set_addr(const char *name, in_addr_t addr);
-extern int ifc_set_mask(const char *name, in_addr_t mask);
+extern int ifc_get_prefixLength(const char *name, uint32_t *prefixLength);
+extern int ifc_set_prefixLength(const char *name, uint32_t prefixLength);
 extern int ifc_set_hwaddr(const char *name, const void *ptr);
 
 /* This function is deprecated. Use ifc_add_route instead. */
@@ -56,7 +58,7 @@
                         in_addr_t *flags);
 
 extern int ifc_configure(const char *ifname, in_addr_t address,
-                         in_addr_t netmask, in_addr_t gateway,
+                         uint32_t prefixLength, in_addr_t gateway,
                          in_addr_t dns1, in_addr_t dns2);
 
 __END_DECLS
diff --git a/include/private/android_filesystem_config.h b/include/private/android_filesystem_config.h
index a12f731..1db8065 100644
--- a/include/private/android_filesystem_config.h
+++ b/include/private/android_filesystem_config.h
@@ -53,7 +53,7 @@
 #define AID_KEYSTORE      1017  /* keystore subsystem */
 #define AID_USB           1018  /* USB devices */
 #define AID_DRM           1019  /* DRM server */
-#define AID_DRMIO         1020  /* DRM IO server */
+#define AID_AVAILABLE     1020  /* available for use */
 #define AID_GPS           1021  /* GPS daemon */
 #define AID_NFC           1022  /* nfc subsystem */
 #define AID_MEDIA_RW      1023  /* internal media storage write access */
@@ -100,7 +100,7 @@
     { "install",   AID_INSTALL, },
     { "media",     AID_MEDIA, },
     { "drm",       AID_DRM, },
-    { "drmio",     AID_DRMIO, },
+    { "available", AID_AVAILABLE, },
     { "nfc",       AID_NFC, },
     { "shell",     AID_SHELL, },
     { "cache",     AID_CACHE, },
@@ -202,6 +202,7 @@
 		 * in user builds. */
     { 06750, AID_ROOT,      AID_SHELL,     "system/bin/run-as" },
     { 00755, AID_ROOT,      AID_SHELL,     "system/bin/*" },
+    { 00755, AID_ROOT,      AID_ROOT,      "system/lib/valgrind/*" },
     { 00755, AID_ROOT,      AID_SHELL,     "system/xbin/*" },
     { 00755, AID_ROOT,      AID_SHELL,     "system/vendor/bin/*" },
     { 00750, AID_ROOT,      AID_SHELL,     "sbin/*" },
diff --git a/include/usbhost/usbhost.h b/include/usbhost/usbhost.h
index 7ef7ace..9a6b59c 100644
--- a/include/usbhost/usbhost.h
+++ b/include/usbhost/usbhost.h
@@ -47,6 +47,7 @@
     int actual_length;
     int max_packet_size;
     void *private_data; /* struct usbdevfs_urb* */
+    int endpoint;
     void *client_data;  /* free for use by client */
 };
 
@@ -125,15 +126,6 @@
 
 const struct usb_device_descriptor* usb_device_get_device_descriptor(struct usb_device *device);
 
-/* Sends a control message to the specified device on endpoint zero */
-int usb_device_send_control(struct usb_device *device,
-                            int requestType,
-                            int request,
-                            int value,
-                            int index,
-                            int length,
-                            void* buffer);
-
 /* Returns a USB descriptor string for the given string ID.
  * Used to implement usb_device_get_manufacturer_name,
  * usb_device_get_product_name and usb_device_get_serial.
@@ -177,6 +169,32 @@
 /* Releases the specified interface of a USB device */
 int usb_device_release_interface(struct usb_device *device, unsigned int interface);
 
+/* Requests the kernel to connect or disconnect its driver for the specified interface.
+ * This can be used to ask the kernel to disconnect its driver for a device
+ * so usb_device_claim_interface can claim it instead.
+ */
+int usb_device_connect_kernel_driver(struct usb_device *device,
+        unsigned int interface, int connect);
+
+/* Sends a control message to the specified device on endpoint zero */
+int usb_device_control_transfer(struct usb_device *device,
+                            int requestType,
+                            int request,
+                            int value,
+                            int index,
+                            void* buffer,
+                            int length,
+                            unsigned int timeout);
+
+/* Reads or writes on a bulk endpoint.
+ * Returns number of bytes transferred, or negative value for error.
+ */
+int usb_device_bulk_transfer(struct usb_device *device,
+                            int endpoint,
+                            void* buffer,
+                            int length,
+                            unsigned int timeout);
+
 /* Creates a new usb_request. */
 struct usb_request *usb_request_new(struct usb_device *dev,
         const struct usb_endpoint_descriptor *ep_desc);
diff --git a/init/builtins.c b/init/builtins.c
index 490ad48..d9a9634 100644
--- a/init/builtins.c
+++ b/init/builtins.c
@@ -286,6 +286,7 @@
     unsigned flags = 0;
     int n, i;
     int wait = 0;
+    char *prop;
 
     for (n = 4; n < nargs; n++) {
         for (i = 0; mount_flags[i].name; i++) {
@@ -322,7 +323,7 @@
             return -1;
         }
 
-        return 0;
+        goto exit_success;
     } else if (!strncmp(source, "loop@", 5)) {
         int mode, loop, fd;
         struct loop_info info;
@@ -353,7 +354,7 @@
                     }
 
                     close(loop);
-                    return 0;
+                    goto exit_success;
                 }
             }
 
@@ -393,12 +394,6 @@
             } else {
                 return -1;
             }
-        } else {
-            if (!strcmp(target, DATA_MNT_POINT)) {
-                /* We succeeded in mounting /data, so it's not encrypted */
-                property_set("ro.crypto.state", "unencrypted");
-                action_for_each_trigger("nonencrypted", action_add_queue_tail);
-            }
         }
 
         if (!strcmp(target, DATA_MNT_POINT)) {
@@ -414,8 +409,25 @@
             snprintf(fs_flags, sizeof(fs_flags), "0x%8.8x", flags);
             property_set("ro.crypto.fs_flags", fs_flags);
         }
-        return 0;
     }
+
+exit_success:
+    /* If not running encrypted, then set the property saying we are
+     * unencrypted, and also trigger the action for a nonencrypted system.
+     */
+    if (!strcmp(target, DATA_MNT_POINT)) {
+        prop = property_get("ro.crypto.state");
+        if (! prop) {
+            prop = "notset";
+        }
+        if (strcmp(prop, "encrypted")) {
+            property_set("ro.crypto.state", "unencrypted");
+            action_for_each_trigger("nonencrypted", action_add_queue_tail);
+        }
+    }
+
+    return 0;
+
 }
 
 int do_setkey(int nargs, char **args)
diff --git a/libnetutils/dhcp_utils.c b/libnetutils/dhcp_utils.c
index 1802688..030e677 100644
--- a/libnetutils/dhcp_utils.c
+++ b/libnetutils/dhcp_utils.c
@@ -60,60 +60,60 @@
     return -1; /* failure */
 }
 
-static void fill_ip_info(const char *interface,
-                     in_addr_t *ipaddr,
-                     in_addr_t *gateway,
-                     in_addr_t *mask,
-                     in_addr_t *dns1,
-                     in_addr_t *dns2,
-                     in_addr_t *server,
+static int fill_ip_info(const char *interface,
+                     char *ipaddr,
+                     char *gateway,
+                     uint32_t *prefixLength,
+                     char *dns1,
+                     char *dns2,
+                     char *server,
                      uint32_t  *lease)
 {
     char prop_name[PROPERTY_KEY_MAX];
     char prop_value[PROPERTY_VALUE_MAX];
-    struct in_addr addr;
-    in_addr_t iaddr;
 
     snprintf(prop_name, sizeof(prop_name), "%s.%s.ipaddress", DHCP_PROP_NAME_PREFIX, interface);
-    if (property_get(prop_name, prop_value, NULL) && inet_aton(prop_value, &addr)) {
-        *ipaddr = addr.s_addr;
-    } else {
-        *ipaddr = 0;
-    }
+    property_get(prop_name, ipaddr, NULL);
+
     snprintf(prop_name, sizeof(prop_name), "%s.%s.gateway", DHCP_PROP_NAME_PREFIX, interface);
-    if (property_get(prop_name, prop_value, NULL) && inet_aton(prop_value, &addr)) {
-        *gateway = addr.s_addr;
-    } else {
-        *gateway = 0;
-    }
+    property_get(prop_name, gateway, NULL);
+
     snprintf(prop_name, sizeof(prop_name), "%s.%s.mask", DHCP_PROP_NAME_PREFIX, interface);
-    if (property_get(prop_name, prop_value, NULL) && inet_aton(prop_value, &addr)) {
-        *mask = addr.s_addr;
-    } else {
-        *mask = 0;
+    if (property_get(prop_name, prop_value, NULL)) {
+        int p;
+        // this conversion is v4 only, but this dhcp client is v4 only anyway
+        in_addr_t mask = ntohl(inet_addr(prop_value));
+        // Check netmask is a valid IP address.  ntohl gives NONE response (all 1's) for
+        // non 255.255.255.255 inputs.  if we get that value check if it is legit..
+        if (mask == INADDR_NONE && strcmp(prop_value, "255.255.255.255") != 0) {
+            snprintf(errmsg, sizeof(errmsg), "DHCP gave invalid net mask %s", prop_value);
+            return -1;
+        }
+        for (p = 0; p < 32; p++) {
+            if (mask == 0) break;
+            // check for non-contiguous netmask, e.g., 255.254.255.0
+            if ((mask & 0x80000000) == 0) {
+                snprintf(errmsg, sizeof(errmsg), "DHCP gave invalid net mask %s", prop_value);
+                return -1;
+            }
+            mask = mask << 1;
+        }
+        *prefixLength = p;
     }
     snprintf(prop_name, sizeof(prop_name), "%s.%s.dns1", DHCP_PROP_NAME_PREFIX, interface);
-    if (property_get(prop_name, prop_value, NULL) && inet_aton(prop_value, &addr)) {
-        *dns1 = addr.s_addr;
-    } else {
-        *dns1 = 0;
-    }
+    property_get(prop_name, dns1, NULL);
+
     snprintf(prop_name, sizeof(prop_name), "%s.%s.dns2", DHCP_PROP_NAME_PREFIX, interface);
-    if (property_get(prop_name, prop_value, NULL) && inet_aton(prop_value, &addr)) {
-        *dns2 = addr.s_addr;
-    } else {
-        *dns2 = 0;
-    }
+    property_get(prop_name, dns2, NULL);
+
     snprintf(prop_name, sizeof(prop_name), "%s.%s.server", DHCP_PROP_NAME_PREFIX, interface);
-    if (property_get(prop_name, prop_value, NULL) && inet_aton(prop_value, &addr)) {
-        *server = addr.s_addr;
-    } else {
-        *server = 0;
-    }
+    property_get(prop_name, server, NULL);
+
     snprintf(prop_name, sizeof(prop_name), "%s.%s.leasetime", DHCP_PROP_NAME_PREFIX, interface);
     if (property_get(prop_name, prop_value, NULL)) {
         *lease = atol(prop_value);
     }
+    return 0;
 }
 
 static const char *ipaddr_to_string(in_addr_t addr)
@@ -129,12 +129,12 @@
  * configuring the interface.
  */
 int dhcp_do_request(const char *interface,
-                    in_addr_t *ipaddr,
-                    in_addr_t *gateway,
-                    in_addr_t *mask,
-                    in_addr_t *dns1,
-                    in_addr_t *dns2,
-                    in_addr_t *server,
+                    char *ipaddr,
+                    char *gateway,
+                    uint32_t *prefixLength,
+                    char *dns1,
+                    char *dns2,
+                    char *server,
                     uint32_t  *lease)
 {
     char result_prop_name[PROPERTY_KEY_MAX];
@@ -175,8 +175,13 @@
     }
     if (strcmp(prop_value, "ok") == 0) {
         char dns_prop_name[PROPERTY_KEY_MAX];
-        fill_ip_info(interface, ipaddr, gateway, mask, dns1, dns2, server, lease);
-        /* copy the dhcp.XXX.dns properties to net.XXX.dns */
+        if (fill_ip_info(interface, ipaddr, gateway, prefixLength, dns1, dns2, server, lease)
+                == -1) {
+            return -1;
+        }
+
+        /* copy dns data to system properties - TODO - remove this after we have async
+         * notification of renewal's */
         snprintf(dns_prop_name, sizeof(dns_prop_name), "net.%s.dns1", interface);
         property_set(dns_prop_name, *dns1 ? ipaddr_to_string(*dns1) : "");
         snprintf(dns_prop_name, sizeof(dns_prop_name), "net.%s.dns2", interface);
diff --git a/libnetutils/dhcpclient.c b/libnetutils/dhcpclient.c
index ff00432..5039e26 100644
--- a/libnetutils/dhcpclient.c
+++ b/libnetutils/dhcpclient.c
@@ -93,6 +93,8 @@
     return inet_ntoa(in_addr);
 }
 
+extern int ipv4NetmaskToPrefixLength(in_addr_t mask);
+
 typedef struct dhcp_info dhcp_info;
 
 struct dhcp_info {
@@ -100,7 +102,7 @@
 
     uint32_t ipaddr;
     uint32_t gateway;
-    uint32_t netmask;
+    uint32_t prefixLength;
 
     uint32_t dns1;
     uint32_t dns2;
@@ -111,13 +113,13 @@
 
 dhcp_info last_good_info;
 
-void get_dhcp_info(uint32_t *ipaddr, uint32_t *gateway, uint32_t *mask,
+void get_dhcp_info(uint32_t *ipaddr, uint32_t *gateway, uint32_t *prefixLength,
                    uint32_t *dns1, uint32_t *dns2, uint32_t *server,
                    uint32_t *lease)
 {
     *ipaddr = last_good_info.ipaddr;
     *gateway = last_good_info.gateway;
-    *mask = last_good_info.netmask;
+    *prefixLength = last_good_info.prefixLength;
     *dns1 = last_good_info.dns1;
     *dns2 = last_good_info.dns2;
     *server = last_good_info.serveraddr;
@@ -127,7 +129,7 @@
 static int dhcp_configure(const char *ifname, dhcp_info *info)
 {
     last_good_info = *info;
-    return ifc_configure(ifname, info->ipaddr, info->netmask, info->gateway,
+    return ifc_configure(ifname, info->ipaddr, info->prefixLength, info->gateway,
                          info->dns1, info->dns2);
 }
 
@@ -153,8 +155,7 @@
             dhcp_type_to_name(info->type), info->type);
     strcpy(addr, ipaddr(info->ipaddr));
     strcpy(gway, ipaddr(info->gateway));
-    strcpy(mask, ipaddr(info->netmask));
-    LOGD("ip %s gw %s mask %s", addr, gway, mask);
+    LOGD("ip %s gw %s prefixLength %d", addr, gway, info->prefixLength);
     if (info->dns1) LOGD("dns1: %s", ipaddr(info->dns1));
     if (info->dns2) LOGD("dns2: %s", ipaddr(info->dns2));
     LOGD("server %s, lease %d seconds",
@@ -196,7 +197,7 @@
         }
         switch(opt) {
         case OPT_SUBNET_MASK:
-            if (optlen >= 4) memcpy(&info->netmask, x, 4);
+            if (optlen >= 4) info->prefixLength = ipv4NetmaskToPrefixLength((int)x);
             break;
         case OPT_GATEWAY:
             if (optlen >= 4) memcpy(&info->gateway, x, 4);
diff --git a/libnetutils/ifc_utils.c b/libnetutils/ifc_utils.c
index 95a144c..e5c58b9 100644
--- a/libnetutils/ifc_utils.c
+++ b/libnetutils/ifc_utils.c
@@ -25,6 +25,7 @@
 #include <sys/types.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
+#include <net/if.h>
 
 #include <linux/if.h>
 #include <linux/if_ether.h>
@@ -50,6 +51,33 @@
 static int ifc_ctl_sock6 = -1;
 void printerr(char *fmt, ...);
 
+in_addr_t prefixLengthToIpv4Netmask(int prefix_length)
+{
+    in_addr_t mask = 0;
+
+    // C99 (6.5.7): shifts of 32 bits have undefined results
+    if (prefix_length <= 0 || prefix_length > 32) {
+        return 0;
+    }
+
+    mask = ~mask << (32 - prefix_length);
+    mask = htonl(mask);
+
+    return mask;
+}
+
+int ipv4NetmaskToPrefixLength(in_addr_t mask)
+{
+    mask = ntohl(mask);
+    int prefixLength = 0;
+    uint32_t m = (uint32_t)mask;
+    while (m & 0x80000000) {
+        prefixLength++;
+        m = m << 1;
+    }
+    return prefixLength;
+}
+
 static const char *ipaddr_to_string(in_addr_t addr)
 {
     struct in_addr in_addr;
@@ -126,7 +154,7 @@
     if(r < 0) return -1;
 
     *if_indexp = ifr.ifr_ifindex;
-    return 0;    
+    return 0;
 }
 
 static int ifc_set_flags(const char *name, unsigned set, unsigned clr)
@@ -163,7 +191,7 @@
 
     ifc_init_ifr(name, &ifr);
     init_sockaddr_in(&ifr.ifr_addr, addr);
-    
+
     return ioctl(ifc_ctl_sock, SIOCSIFADDR, &ifr);
 }
 
@@ -178,17 +206,37 @@
     return ioctl(ifc_ctl_sock, SIOCSIFHWADDR, &ifr);
 }
 
-int ifc_set_mask(const char *name, in_addr_t mask)
+int ifc_set_prefixLength(const char *name, int prefixLength)
 {
     struct ifreq ifr;
+    // TODO - support ipv6
+    if (prefixLength > 32 || prefixLength < 0) return -1;
 
+    in_addr_t mask = prefixLengthToIpv4Netmask(prefixLength);
     ifc_init_ifr(name, &ifr);
     init_sockaddr_in(&ifr.ifr_addr, mask);
-    
+
     return ioctl(ifc_ctl_sock, SIOCSIFNETMASK, &ifr);
 }
 
-int ifc_get_info(const char *name, in_addr_t *addr, in_addr_t *mask, unsigned *flags)
+int ifc_get_addr(const char *name, in_addr_t *addr)
+{
+    struct ifreq ifr;
+    int ret = 0;
+
+    ifc_init_ifr(name, &ifr);
+    if (addr != NULL) {
+        ret = ioctl(ifc_ctl_sock, SIOCGIFADDR, &ifr);
+        if (ret < 0) {
+            *addr = 0;
+        } else {
+            *addr = ((struct sockaddr_in*) &ifr.ifr_addr)->sin_addr.s_addr;
+        }
+    }
+    return ret;
+}
+
+int ifc_get_info(const char *name, in_addr_t *addr, int *prefixLength, unsigned *flags)
 {
     struct ifreq ifr;
     ifc_init_ifr(name, &ifr);
@@ -200,12 +248,13 @@
             *addr = ((struct sockaddr_in*) &ifr.ifr_addr)->sin_addr.s_addr;
         }
     }
-    
-    if (mask != NULL) {
+
+    if (prefixLength != NULL) {
         if(ioctl(ifc_ctl_sock, SIOCGIFNETMASK, &ifr) < 0) {
-            *mask = 0;
+            *prefixLength = 0;
         } else {
-            *mask = ((struct sockaddr_in*) &ifr.ifr_addr)->sin_addr.s_addr;
+            *prefixLength = ipv4NetmaskToPrefixLength((int)
+                    ((struct sockaddr_in*) &ifr.ifr_addr)->sin_addr.s_addr);
         }
     }
 
@@ -220,21 +269,6 @@
     return 0;
 }
 
-in_addr_t get_ipv4_netmask(int prefix_length)
-{
-    in_addr_t mask = 0;
-
-    // C99 (6.5.7): shifts of 32 bits have undefined results
-    if (prefix_length == 0) {
-        return 0;
-    }
-
-    mask = ~mask << (32 - prefix_length);
-    mask = htonl(mask);
-
-    return mask;
-}
-
 int ifc_add_ipv4_route(const char *ifname, struct in_addr dst, int prefix_length,
       struct in_addr gw)
 {
@@ -247,7 +281,7 @@
     rt.rt_dst.sa_family = AF_INET;
     rt.rt_dev = (void*) ifname;
 
-    netmask = get_ipv4_netmask(prefix_length);
+    netmask = prefixLengthToIpv4Netmask(prefix_length);
     init_sockaddr_in(&rt.rt_genmask, netmask);
     init_sockaddr_in(&rt.rt_dst, dst.s_addr);
     rt.rt_flags = RTF_UP;
@@ -311,11 +345,20 @@
 
 int ifc_disable(const char *ifname)
 {
+    unsigned addr, count;
     int result;
 
     ifc_init();
     result = ifc_down(ifname);
+
     ifc_set_addr(ifname, 0);
+    for (count=0, addr=1;((addr != 0) && (count < 255)); count++) {
+       if (ifc_get_addr(ifname, &addr) < 0)
+            break;
+       if (addr)
+          ifc_set_addr(ifname, 0);
+    }
+
     ifc_close();
     return result;
 }
@@ -333,7 +376,7 @@
     init_sockaddr_in(&ifr.ifr_addr, myaddr);
     result = ioctl(ifc_ctl_sock, SIOCKILLADDR,  &ifr);
     ifc_close();
-    
+
     return result;
 #else
     return 0;
@@ -472,7 +515,7 @@
 int
 ifc_configure(const char *ifname,
         in_addr_t address,
-        in_addr_t netmask,
+        uint32_t prefixLength,
         in_addr_t gateway,
         in_addr_t dns1,
         in_addr_t dns2) {
@@ -491,8 +534,8 @@
         ifc_close();
         return -1;
     }
-    if (ifc_set_mask(ifname, netmask)) {
-        printerr("failed to set netmask %s: %s\n", ipaddr_to_string(netmask), strerror(errno));
+    if (ifc_set_prefixLength(ifname, prefixLength)) {
+        printerr("failed to set prefixLength %d: %s\n", prefixLength, strerror(errno));
         ifc_close();
         return -1;
     }
diff --git a/libsysutils/Android.mk b/libsysutils/Android.mk
index dd2b32d..3b1f618 100644
--- a/libsysutils/Android.mk
+++ b/libsysutils/Android.mk
@@ -1,3 +1,4 @@
+ifneq ($(BUILD_TINY_ANDROID),true)
 BUILD_LIBSYSUTILS := false
 ifneq ($(TARGET_SIMULATOR),true)
     BUILD_LIBSYSUTILS := true
@@ -33,3 +34,4 @@
 include $(BUILD_SHARED_LIBRARY)
 
 endif
+endif
diff --git a/libusbhost/usbhost.c b/libusbhost/usbhost.c
index d6736d3..f5a7c3f 100644
--- a/libusbhost/usbhost.c
+++ b/libusbhost/usbhost.c
@@ -60,7 +60,7 @@
 
 struct usb_device {
     char dev_name[64];
-    unsigned char desc[256];
+    unsigned char desc[4096];
     int desc_length;
     int fd;
     int writeable;
@@ -204,6 +204,8 @@
 {
     int fd, did_retry = 0, writeable = 1;
 
+    D("usb_device_open %s\n", dev_name);
+
 retry:
     fd = open(dev_name, O_RDWR);
     if (fd < 0) {
@@ -240,10 +242,12 @@
     struct usb_device *device = calloc(1, sizeof(struct usb_device));
     int length;
 
+    D("usb_device_new %s fd: %d\n", dev_name, fd);
+
     if (lseek(fd, 0, SEEK_SET) != 0)
         goto failed;
     length = read(fd, device->desc, sizeof(device->desc));
-    D("usb_device_new read returned %d errno %d\n", fd, errno);
+    D("usb_device_new read returned %d errno %d\n", length, errno);
     if (length < 0)
         goto failed;
 
@@ -328,30 +332,6 @@
     return (struct usb_device_descriptor*)device->desc;
 }
 
-int usb_device_send_control(struct usb_device *device,
-                            int requestType,
-                            int request,
-                            int value,
-                            int index,
-                            int length,
-                            void* buffer)
-{
-    struct usbdevfs_ctrltransfer  ctrl;
-
-    // this usually requires read/write permission
-    if (!usb_device_reopen_writeable(device))
-        return -1;
-
-    memset(&ctrl, 0, sizeof(ctrl));
-    ctrl.bRequestType = requestType;
-    ctrl.bRequest = request;
-    ctrl.wValue = value;
-    ctrl.wIndex = index;
-    ctrl.wLength = length;
-    ctrl.data = buffer;
-    return ioctl(device->fd, USBDEVFS_CONTROL, &ctrl);
-}
-
 char* usb_device_get_string(struct usb_device *device, int id)
 {
     char string[256];
@@ -364,18 +344,18 @@
     memset(languages, 0, sizeof(languages));
 
     // read list of supported languages
-    result = usb_device_send_control(device,
+    result = usb_device_control_transfer(device,
             USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE, USB_REQ_GET_DESCRIPTOR,
-            (USB_DT_STRING << 8) | 0, 0, sizeof(languages), languages);
+            (USB_DT_STRING << 8) | 0, 0, languages, sizeof(languages), 0);
     if (result > 0)
         languageCount = (result - 2) / 2;
 
     for (i = 1; i <= languageCount; i++) {
         memset(buffer, 0, sizeof(buffer));
 
-        result = usb_device_send_control(device,
+        result = usb_device_control_transfer(device,
                 USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE, USB_REQ_GET_DESCRIPTOR,
-                (USB_DT_STRING << 8) | id, languages[i], sizeof(buffer), buffer);
+                (USB_DT_STRING << 8) | id, languages[i], buffer, sizeof(buffer), 0);
         if (result > 0) {
             int i;
             // skip first word, and copy the rest to the string, changing shorts to bytes.
@@ -452,6 +432,59 @@
     return ioctl(device->fd, USBDEVFS_RELEASEINTERFACE, &interface);
 }
 
+int usb_device_connect_kernel_driver(struct usb_device *device,
+        unsigned int interface, int connect)
+{
+    struct usbdevfs_ioctl ctl;
+
+    ctl.ifno = interface;
+    ctl.ioctl_code = (connect ? USBDEVFS_CONNECT : USBDEVFS_DISCONNECT);
+    ctl.data = NULL;
+    return ioctl(device->fd, USBDEVFS_IOCTL, &ctl);
+}
+
+int usb_device_control_transfer(struct usb_device *device,
+                            int requestType,
+                            int request,
+                            int value,
+                            int index,
+                            void* buffer,
+                            int length,
+                            unsigned int timeout)
+{
+    struct usbdevfs_ctrltransfer  ctrl;
+
+    // this usually requires read/write permission
+    if (!usb_device_reopen_writeable(device))
+        return -1;
+
+    memset(&ctrl, 0, sizeof(ctrl));
+    ctrl.bRequestType = requestType;
+    ctrl.bRequest = request;
+    ctrl.wValue = value;
+    ctrl.wIndex = index;
+    ctrl.wLength = length;
+    ctrl.data = buffer;
+    ctrl.timeout = timeout;
+    return ioctl(device->fd, USBDEVFS_CONTROL, &ctrl);
+}
+
+int usb_device_bulk_transfer(struct usb_device *device,
+                            int endpoint,
+                            void* buffer,
+                            int length,
+                            unsigned int timeout)
+{
+    struct usbdevfs_bulktransfer  ctrl;
+
+    memset(&ctrl, 0, sizeof(ctrl));
+    ctrl.ep = endpoint;
+    ctrl.len = length;
+    ctrl.data = buffer;
+    ctrl.timeout = timeout;
+    return ioctl(device->fd, USBDEVFS_BULK, &ctrl);
+}
+
 struct usb_request *usb_request_new(struct usb_device *dev,
         const struct usb_endpoint_descriptor *ep_desc)
 {
@@ -479,6 +512,7 @@
     req->dev = dev;
     req->max_packet_size = __le16_to_cpu(ep_desc->wMaxPacketSize);
     req->private_data = urb;
+    req->endpoint = urb->endpoint;
     urb->usercontext = req;
 
     return req;
diff --git a/netcfg/netcfg.c b/netcfg/netcfg.c
index 9cd883a..c520075 100644
--- a/netcfg/netcfg.c
+++ b/netcfg/netcfg.c
@@ -20,6 +20,7 @@
 #include <errno.h>
 #include <dirent.h>
 #include <netinet/ether.h>
+#include <netinet/if_ether.h>
 
 #include <netutils/ifc.h>
 #include <netutils/dhcp.h>
@@ -44,21 +45,30 @@
 void usage(void)
 {
     fprintf(stderr,"usage: netcfg [<interface> {dhcp|up|down}]\n");
-    exit(1);    
+    exit(1);
 }
 
 int dump_interface(const char *name)
 {
-    unsigned addr, mask, flags;
-    
-    if(ifc_get_info(name, &addr, &mask, &flags)) {
+    unsigned addr, prefixLength, flags;
+    unsigned char hwbuf[ETH_ALEN];
+
+    if(ifc_get_info(name, &addr, &prefixLength, &flags)) {
         return 0;
     }
 
     printf("%-8s %s  ", name, flags & 1 ? "UP  " : "DOWN");
-    printf("%-16s", ipaddr(addr));
-    printf("%-16s", ipaddr(mask));
-    printf("0x%08x\n", flags);
+    printf("%40s", ipaddr(addr));
+    printf("/%-4d", prefixLength);
+    printf("0x%08x ", flags);
+    if (!ifc_get_hwaddr(name, hwbuf)) {
+        int i;
+        for(i=0; i < (ETH_ALEN-1); i++)
+            printf("%02x:", hwbuf[i]);
+        printf("%02x\n", hwbuf[i]);
+    } else {
+        printf("\n");
+    }
     return 0;
 }
 
@@ -66,10 +76,10 @@
 {
     DIR *d;
     struct dirent *de;
-    
+
     d = opendir("/sys/class/net");
     if(d == 0) return -1;
-    
+
     while((de = readdir(d))) {
         if(de->d_name[0] == '.') continue;
         dump_interface(de->d_name);
diff --git a/patch.txt b/patch.txt
deleted file mode 100644
index 258965d..0000000
--- a/patch.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/init/util.c b/init/util.c
-index 4d98cc2..0667593 100755
---- a/init/util.c
-+++ b/init/util.c
-@@ -657,8 +657,9 @@ static void get_hardware_name(void)
-         if (x) {
-             x += 2;
-             n = 0;
--            while (*x && !isspace(*x)) {
--                hardware[n++] = tolower(*x);
-+            while (*x && *x != '\n') {
-+                if (!isspace(*x))
-+                    hardware[n++] = tolower(*x);
-                 x++;
-                 if (n == 31) break;
-             }
diff --git a/rootdir/etc/init.goldfish.rc b/rootdir/etc/init.goldfish.rc
index 7cc028f..1ac09ca 100644
--- a/rootdir/etc/init.goldfish.rc
+++ b/rootdir/etc/init.goldfish.rc
@@ -28,12 +28,6 @@
     start goldfish-logcat
     start goldfish-setup
 
-    # This is a workaround for another bug in init and init.rc
-    # where the late_start class of services is never started
-    # properly when running an unencrypted /data partition.
-    #
-    start ril-daemon
-
     setprop ro.setupwizard.mode EMULATOR
 
 # enable Google-specific location features,
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 12db34d..046ab3d 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -19,7 +19,7 @@
     export ANDROID_DATA /data
     export ASEC_MOUNTPOINT /mnt/asec
     export LOOP_MOUNTPOINT /mnt/obb
-    export BOOTCLASSPATH /system/framework/core.jar:/system/framework/bouncycastle.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar:/system/framework/core-junit.jar
+    export BOOTCLASSPATH /system/framework/core.jar:/system/framework/apache-xml.jar:/system/framework/bouncycastle.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar:/system/framework/core-junit.jar
 
 # Backward compatibility
     symlink /system/etc /etc
@@ -176,11 +176,8 @@
     chown root root /data/lost+found
     chmod 0770 /data/lost+found
 
-    # temporarily disable the drm server
     # create directory for DRM plug-ins
-    #mkdir /data/drm 0774 drm drm
-    #mkdir /data/drm/plugins 0774 drm drm
-    #mkdir /data/drm/plugins/native 0774 drm drm
+    mkdir /data/drm 0774 drm drm
 
     # If there is no fs-post-data action in the init.<device>.rc file, you
     # must uncomment this line, otherwise encrypted filesystems
@@ -388,16 +385,10 @@
     onrestart restart media
     onrestart restart netd
 
-# temporarily disable the drm server
-#service drm /system/bin/drmserver
-    #class main
-    #user drm
-    #group system root inet
-
-#service drmio /system/bin/drmioserver
-    #class main
-    #user drmio
-    #group drmio
+service drm /system/bin/drmserver
+    class main
+    user drm
+    group inet
 
 service media /system/bin/mediaserver
     class main
diff --git a/rootdir/ueventd.rc b/rootdir/ueventd.rc
index d343bd4..51a4337 100644
--- a/rootdir/ueventd.rc
+++ b/rootdir/ueventd.rc
@@ -69,6 +69,7 @@
 /dev/qmi2                 0640   radio      radio
 /dev/bus/usb/*            0660   root       usb
 /dev/mtp_usb              0660   root       mtp
+/dev/usb_accessory        0660   root       usb
 
 # CDMA radio interface MUX
 /dev/ts0710mux*           0640   radio      radio
@@ -78,4 +79,4 @@
 # sysfs properties
 /sys/devices/virtual/input/input*   enable      0660  root   input
 /sys/devices/virtual/input/input*   poll_delay  0660  root   input
-
+/sys/devices/virtual/usb_composite/*   enable      0664  root   system
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index bc8c02f..ff01172 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -57,6 +57,7 @@
 	lsof
 
 LOCAL_SRC_FILES:= \
+	dynarray.c \
 	toolbox.c \
 	$(patsubst %,%.c,$(TOOLS))
 
diff --git a/toolbox/dynarray.c b/toolbox/dynarray.c
new file mode 100644
index 0000000..e9b7b03
--- /dev/null
+++ b/toolbox/dynarray.c
@@ -0,0 +1,103 @@
+#include "dynarray.h"
+#include <stdlib.h>
+#include <limits.h>
+
+void
+dynarray_init( dynarray_t *a )
+{
+    a->count = a->capacity = 0;
+    a->items = NULL;
+}
+
+
+static void
+dynarray_reserve_more( dynarray_t *a, int count )
+{
+    int old_cap = a->capacity;
+    int new_cap = old_cap;
+    const int max_cap = INT_MAX/sizeof(void*);
+    void** new_items;
+    int new_count = a->count + count;
+
+    if (count <= 0)
+        return;
+
+    if (count > max_cap - a->count)
+        abort();
+
+    new_count = a->count + count;
+
+    while (new_cap < new_count) {
+        old_cap = new_cap;
+        new_cap += (new_cap >> 2) + 4;
+        if (new_cap < old_cap || new_cap > max_cap) {
+            new_cap = max_cap;
+        }
+    }
+    new_items = realloc(a->items, new_cap*sizeof(void*));
+    if (new_items == NULL)
+        abort();
+
+    a->items = new_items;
+    a->capacity = new_cap;
+}
+
+void
+dynarray_append( dynarray_t *a, void* item )
+{
+    if (a->count >= a->capacity)
+        dynarray_reserve_more(a, 1);
+
+    a->items[a->count++] = item;
+}
+
+void
+dynarray_done( dynarray_t *a )
+{
+    free(a->items);
+    a->items = NULL;
+    a->count = a->capacity = 0;
+}
+
+// string arrays
+
+void strlist_init( strlist_t *list )
+{
+    dynarray_init(list);
+}
+
+void strlist_append_b( strlist_t *list, const void* str, size_t  slen )
+{
+    char *copy = malloc(slen+1);
+    memcpy(copy, str, slen);
+    copy[slen] = '\0';
+    dynarray_append(list, copy);
+}
+
+void strlist_append_dup( strlist_t *list, const char *str)
+{
+    strlist_append_b(list, str, strlen(str));
+}
+
+void strlist_done( strlist_t *list )
+{
+    STRLIST_FOREACH(list, string, free(string));
+    dynarray_done(list);
+}
+
+static int strlist_compare_strings(const void* a, const void* b)
+{
+    const char *sa = *(const char **)a;
+    const char *sb = *(const char **)b;
+    return strcmp(sa, sb);
+}
+
+void strlist_sort( strlist_t *list )
+{
+    if (list->count > 0) {
+        qsort(list->items,
+              (size_t)list->count,
+              sizeof(void*),
+              strlist_compare_strings);
+    }
+}
diff --git a/toolbox/dynarray.h b/toolbox/dynarray.h
new file mode 100644
index 0000000..f73fb3b
--- /dev/null
+++ b/toolbox/dynarray.h
@@ -0,0 +1,80 @@
+#ifndef DYNARRAY_H
+#define DYNARRAY_H
+
+#include <stddef.h>
+
+/* simple dynamic array of pointers */
+typedef struct {
+    int count;
+    int capacity;
+    void** items;
+} dynarray_t;
+
+#define DYNARRAY_INITIALIZER  { 0, 0, NULL }
+
+void dynarray_init( dynarray_t *a );
+void dynarray_done( dynarray_t *a );
+
+void dynarray_append( dynarray_t *a, void* item );
+
+/* Used to iterate over a dynarray_t
+ * _array :: pointer to the array
+ * _item_type :: type of objects pointed to by the array
+ * _item      :: name of a local variable defined within the loop
+ *               with type '_item_type'
+ * _stmnt     :: C statement that will be executed in each iteration.
+ *
+ * You case use 'break' and 'continue' within _stmnt
+ *
+ * This macro is only intended for simple uses. I.e. do not add or
+ * remove items from the array during iteration.
+ */
+#define DYNARRAY_FOREACH_TYPE(_array,_item_type,_item,_stmnt) \
+    do { \
+        int _nn_##__LINE__ = 0; \
+        for (;_nn_##__LINE__ < (_array)->count; ++ _nn_##__LINE__) { \
+            _item_type _item = (_item_type)(_array)->items[_nn_##__LINE__]; \
+            _stmnt; \
+        } \
+    } while (0)
+
+#define DYNARRAY_FOREACH(_array,_item,_stmnt) \
+    DYNARRAY_FOREACH_TYPE(_array,void *,_item,_stmnt)
+
+/* Simple dynamic string arrays
+ *
+ * NOTE: A strlist_t owns the strings it references.
+ */
+typedef dynarray_t  strlist_t;
+
+#define  STRLIST_INITIALIZER  DYNARRAY_INITIALIZER
+
+/* Used to iterate over a strlist_t
+ * _list   :: pointer to strlist_t object
+ * _string :: name of local variable name defined within the loop with
+ *            type 'char*'
+ * _stmnt  :: C statement executed in each iteration
+ *
+ * This macro is only intended for simple uses. Do not add or remove items
+ * to/from the list during iteration.
+ */
+#define  STRLIST_FOREACH(_list,_string,_stmnt) \
+    DYNARRAY_FOREACH_TYPE(_list,char *,_string,_stmnt)
+
+void strlist_init( strlist_t *list );
+
+/* note: strlist_done will free all the strings owned by the list */
+void strlist_done( strlist_t *list );
+
+/* append a new string made of the first 'slen' characters from 'str'
+ * followed by a trailing zero.
+ */
+void strlist_append_b( strlist_t *list, const void* str, size_t  slen );
+
+/* append the copy of a given input string to a strlist_t */
+void strlist_append_dup( strlist_t *list, const char *str);
+
+/* sort the strings in a given list (using strcmp) */
+void strlist_sort( strlist_t *list );
+
+#endif /* DYNARRAY_H */
\ No newline at end of file
diff --git a/toolbox/getprop.c b/toolbox/getprop.c
index fc80a4d..c001fda 100644
--- a/toolbox/getprop.c
+++ b/toolbox/getprop.c
@@ -1,13 +1,34 @@
 #include <stdio.h>
+#include <stdlib.h>
 
 #include <cutils/properties.h>
 
 #include <sys/system_properties.h>
+#include "dynarray.h"
 
-static void proplist(const char *key, const char *name, 
-                     void *user __attribute__((unused)))
+static void record_prop(const char* key, const char* name, void* opaque)
 {
-    printf("[%s]: [%s]\n", key, name);
+    strlist_t* list = opaque;
+    char temp[PROP_VALUE_MAX + PROP_NAME_MAX + 16];
+    snprintf(temp, sizeof temp, "[%s]: [%s]", key, name);
+    strlist_append_dup(list, temp);
+}
+
+static void list_properties(void)
+{
+    strlist_t  list[1] = { STRLIST_INITIALIZER };
+
+    /* Record properties in the string list */
+    (void)property_list(record_prop, list);
+
+    /* Sort everything */
+    strlist_sort(list);
+
+    /* print everything */
+    STRLIST_FOREACH(list, str, printf("%s\n", str));
+
+    /* voila */
+    strlist_done(list);
 }
 
 int __system_property_wait(prop_info *pi);
@@ -17,7 +38,7 @@
     int n = 0;
 
     if (argc == 1) {
-        (void)property_list(proplist, NULL);
+        list_properties();
     } else {
         char value[PROPERTY_VALUE_MAX];
         char *default_value;
diff --git a/toolbox/ls.c b/toolbox/ls.c
index daa8095..b08e378 100644
--- a/toolbox/ls.c
+++ b/toolbox/ls.c
@@ -15,128 +15,7 @@
 #include <linux/kdev_t.h>
 #include <limits.h>
 
-// dynamic arrays
-typedef struct {
-    int count;
-    int capacity;
-    void** items;
-} dynarray_t;
-
-#define DYNARRAY_INITIALIZER  { 0, 0, NULL }
-
-static void dynarray_init( dynarray_t *a )
-{
-    a->count = a->capacity = 0;
-    a->items = NULL;
-}
-
-static void dynarray_reserve_more( dynarray_t *a, int count )
-{
-    int old_cap = a->capacity;
-    int new_cap = old_cap;
-    const int max_cap = INT_MAX/sizeof(void*);
-    void** new_items;
-    int new_count = a->count + count;
-
-    if (count <= 0)
-        return;
-
-    if (count > max_cap - a->count)
-        abort();
-
-    new_count = a->count + count;
-
-    while (new_cap < new_count) {
-        old_cap = new_cap;
-        new_cap += (new_cap >> 2) + 4;
-        if (new_cap < old_cap || new_cap > max_cap) {
-            new_cap = max_cap;
-        }
-    }
-    new_items = realloc(a->items, new_cap*sizeof(void*));
-    if (new_items == NULL)
-        abort();
-
-    a->items = new_items;
-    a->capacity = new_cap;
-}
-
-static void dynarray_append( dynarray_t *a, void* item )
-{
-    if (a->count >= a->capacity)
-        dynarray_reserve_more(a, 1);
-
-    a->items[a->count++] = item;
-}
-
-static void dynarray_done( dynarray_t *a )
-{
-    free(a->items);
-    a->items = NULL;
-    a->count = a->capacity = 0;
-}
-
-#define DYNARRAY_FOREACH_TYPE(_array,_item_type,_item,_stmnt) \
-    do { \
-        int _nn_##__LINE__ = 0; \
-        for (;_nn_##__LINE__ < (_array)->count; ++ _nn_##__LINE__) { \
-            _item_type _item = (_item_type)(_array)->items[_nn_##__LINE__]; \
-            _stmnt; \
-        } \
-    } while (0)
-
-#define DYNARRAY_FOREACH(_array,_item,_stmnt) \
-    DYNARRAY_FOREACH_TYPE(_array,void *,_item,_stmnt)
-
-// string arrays
-
-typedef dynarray_t  strlist_t;
-
-#define  STRLIST_INITIALIZER  DYNARRAY_INITIALIZER
-
-#define  STRLIST_FOREACH(_list,_string,_stmnt) \
-    DYNARRAY_FOREACH_TYPE(_list,char *,_string,_stmnt)
-
-static void strlist_init( strlist_t *list )
-{
-    dynarray_init(list);
-}
-
-static void strlist_append_b( strlist_t *list, const void* str, size_t  slen )
-{
-    char *copy = malloc(slen+1);
-    memcpy(copy, str, slen);
-    copy[slen] = '\0';
-    dynarray_append(list, copy);
-}
-
-static void strlist_append_dup( strlist_t *list, const char *str)
-{
-    strlist_append_b(list, str, strlen(str));
-}
-
-static void strlist_done( strlist_t *list )
-{
-    STRLIST_FOREACH(list, string, free(string));
-    dynarray_done(list);
-}
-
-static int strlist_compare_strings(const void* a, const void* b)
-{
-    const char *sa = *(const char **)a;
-    const char *sb = *(const char **)b;
-    return strcmp(sa, sb);
-}
-
-static void strlist_sort( strlist_t *list )
-{
-    if (list->count > 0) {
-        qsort(list->items, 
-              (size_t)list->count,
-              sizeof(void*),
-              strlist_compare_strings);
-    }
-}
+#include "dynarray.h"
 
 // bits for flags argument
 #define LIST_LONG           (1 << 0)
@@ -166,7 +45,7 @@
 static void mode2str(unsigned mode, char *out)
 {
     *out++ = mode2kind(mode);
-    
+
     *out++ = (mode & 0400) ? 'r' : '-';
     *out++ = (mode & 0200) ? 'w' : '-';
     if(mode & 04000) {
@@ -290,7 +169,7 @@
 
     strftime(date, 32, "%Y-%m-%d %H:%M", localtime((const time_t*)&s.st_mtime));
     date[31] = 0;
-    
+
 // 12345678901234567890123456789012345678901234567890123456789012345678901234567890
 // MMMMMMMM UUUUUUUU GGGGGGGGG XXXXXXXX YYYY-MM-DD HH:MM NAME (->LINK)
 
@@ -298,7 +177,7 @@
     case S_IFBLK:
     case S_IFCHR:
         printf("%s %-8s %-8s %3d, %3d %s %s\n",
-               mode, user, group, 
+               mode, user, group,
                (int) MAJOR(s.st_rdev), (int) MINOR(s.st_rdev),
                date, name);
         break;
@@ -312,7 +191,7 @@
 
         len = readlink(path, linkto, 256);
         if(len < 0) return -1;
-        
+
         if(len > 255) {
             linkto[252] = '.';
             linkto[253] = '.';
@@ -321,7 +200,7 @@
         } else {
             linkto[len] = 0;
         }
-        
+
         printf("%s %-8s %-8s          %s %s -> %s\n",
                mode, user, group, date, name, linkto);
         break;
@@ -364,7 +243,7 @@
     DIR *d;
     struct dirent *de;
     strlist_t  files = STRLIST_INITIALIZER;
-    
+
     d = opendir(name);
     if(d == 0) {
         fprintf(stderr, "opendir failed, %s\n", strerror(errno));
@@ -469,7 +348,7 @@
 {
     int flags = 0;
     int listed = 0;
-    
+
     if(argc > 1) {
         int i;
         int err = 0;
@@ -509,7 +388,7 @@
             return err;
         }
     }
-    
-    // list working directory if no files or directories were specified    
+
+    // list working directory if no files or directories were specified
     return listpath(".", flags);
 }
diff --git a/toolbox/lsof.c b/toolbox/lsof.c
index 99891db..c55384b 100644
--- a/toolbox/lsof.c
+++ b/toolbox/lsof.c
@@ -196,28 +196,37 @@
 
 int lsof_main(int argc, char *argv[])
 {
-    DIR *dir = opendir("/proc");
-    if (dir == NULL) {
-        fprintf(stderr, "Couldn't open /proc\n");
-        return -1;
+    long int pid = 0;
+    char* endptr;
+    if (argc == 2) {
+        pid = strtol(argv[1], &endptr, 10);
     }
 
     print_header();
 
-    struct dirent* de;
-    while ((de = readdir(dir))) {
-        if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
-            continue;
-
-        // Only inspect directories that are PID numbers
-        char* endptr;
-        long int pid = strtol(de->d_name, &endptr, 10);
-        if (*endptr != '\0')
-            continue;
-
+    if (pid) {
         lsof_dumpinfo(pid);
+    } else {
+        DIR *dir = opendir("/proc");
+        if (dir == NULL) {
+            fprintf(stderr, "Couldn't open /proc\n");
+            return -1;
+        }
+
+        struct dirent* de;
+        while ((de = readdir(dir))) {
+            if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
+                continue;
+
+            // Only inspect directories that are PID numbers
+                pid = strtol(de->d_name, &endptr, 10);
+            if (*endptr != '\0')
+                continue;
+
+            lsof_dumpinfo(pid);
+        }
+        closedir(dir);
     }
-    closedir(dir);
 
     return 0;
 }