diff options
Diffstat (limited to 'fastbootd/commands.c')
-rw-r--r-- | fastbootd/commands.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/fastbootd/commands.c b/fastbootd/commands.c new file mode 100644 index 0000000..252f655 --- /dev/null +++ b/fastbootd/commands.c @@ -0,0 +1,206 @@ +/* + * Copyright (c) 2009-2013, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * 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 + * distribution. + * * Neither the name of Google, Inc. nor the names of its contributors + * may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * 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 + * 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 + * SUCH DAMAGE. + */ + +#include <stdlib.h> +#include <unistd.h> +#include <sys/types.h> + +#include "bootimg.h" +#include "debug.h" +#include "protocol.h" + +static void cmd_boot(struct protocol_handle *phandle, const char *arg) +{ +#if 0 + unsigned kernel_actual; + unsigned ramdisk_actual; + static struct boot_img_hdr hdr; + char *ptr = ((char*) data); + + if (sz < sizeof(hdr)) { + fastboot_fail(phandle, "invalid bootimage header"); + return; + } + + memcpy(&hdr, data, sizeof(hdr)); + + /* ensure commandline is terminated */ + hdr.cmdline[BOOT_ARGS_SIZE-1] = 0; + + kernel_actual = ROUND_TO_PAGE(hdr.kernel_size); + ramdisk_actual = ROUND_TO_PAGE(hdr.ramdisk_size); + + if (2048 + kernel_actual + ramdisk_actual < sz) { + fastboot_fail(phandle, "incomplete bootimage"); + return; + } + + /*memmove((void*) KERNEL_ADDR, ptr + 2048, hdr.kernel_size); + memmove((void*) RAMDISK_ADDR, ptr + 2048 + kernel_actual, hdr.ramdisk_size);*/ + + fastboot_okay(phandle, ""); + udc_stop(); + + + /*boot_linux((void*) KERNEL_ADDR, (void*) TAGS_ADDR, + (const char*) hdr.cmdline, LINUX_MACHTYPE, + (void*) RAMDISK_ADDR, hdr.ramdisk_size);*/ +#endif +} + +static void cmd_erase(struct protocol_handle *phandle, const char *arg) +{ +#if 0 + struct ptentry *ptn; + struct ptable *ptable; + + ptable = flash_get_ptable(); + if (ptable == NULL) { + fastboot_fail(phandle, "partition table doesn't exist"); + return; + } + + ptn = ptable_find(ptable, arg); + if (ptn == NULL) { + fastboot_fail(phandle, "unknown partition name"); + return; + } + + if (flash_erase(ptn)) { + fastboot_fail(phandle, "failed to erase partition"); + return; + } + fastboot_okay(phandle, ""); +#endif +} + +static void cmd_flash(struct protocol_handle *phandle, const char *arg) +{ +#if 0 + struct ptentry *ptn; + struct ptable *ptable; + unsigned extra = 0; + + ptable = flash_get_ptable(); + if (ptable == NULL) { + fastboot_fail(phandle, "partition table doesn't exist"); + return; + } + + ptn = ptable_find(ptable, arg); + if (ptn == NULL) { + fastboot_fail(phandle, "unknown partition name"); + return; + } + + if (!strcmp(ptn->name, "boot") || !strcmp(ptn->name, "recovery")) { + if (memcmp((void *)data, BOOT_MAGIC, BOOT_MAGIC_SIZE)) { + fastboot_fail(phandle, "image is not a boot image"); + return; + } + } + + if (!strcmp(ptn->name, "system") || !strcmp(ptn->name, "userdata")) + extra = 64; + else + sz = ROUND_TO_PAGE(sz); + + D(INFO, "writing %d bytes to '%s'\n", sz, ptn->name); + if (flash_write(ptn, extra, data, sz)) { + fastboot_fail(phandle, "flash write failure"); + return; + } + D(INFO, "partition '%s' updated\n", ptn->name); +#endif + fastboot_okay(phandle, ""); +} + +static void cmd_continue(struct protocol_handle *phandle, const char *arg) +{ + fastboot_okay(phandle, ""); +#if 0 + udc_stop(); + + boot_linux_from_flash(); +#endif +} + +static void cmd_getvar(struct protocol_handle *phandle, const char *arg) +{ + const char *value; + D(DEBUG, "cmd_getvar %s\n", arg); + + value = fastboot_getvar(arg); + + fastboot_okay(phandle, value); +} + +static void cmd_download(struct protocol_handle *phandle, const char *arg) +{ + unsigned len = strtoul(arg, NULL, 16); + int old_fd; + + if (len > 256 * 1024 * 1024) { + fastboot_fail(phandle, "data too large"); + return; + } + + fastboot_data(phandle, len); + + old_fd = protocol_get_download(phandle); + if (old_fd >= 0) { + off_t len = lseek(old_fd, 0, SEEK_END); + D(INFO, "disposing of unused fd %d, size %ld", old_fd, len); + close(old_fd); + } + + phandle->download_fd = protocol_handle_download(phandle, len); + if (phandle->download_fd < 0) { + //handle->state = STATE_ERROR; + fastboot_fail(phandle, "download failed"); + return; + } + + fastboot_okay(phandle, ""); +} + +void commands_init() +{ + fastboot_register("boot", cmd_boot); + fastboot_register("erase:", cmd_erase); + fastboot_register("flash:", cmd_flash); + fastboot_register("continue", cmd_continue); + fastboot_register("getvar:", cmd_getvar); + fastboot_register("download:", cmd_download); + //fastboot_publish("version", "0.5"); + //fastboot_publish("product", "swordfish"); + //fastboot_publish("kernel", "lk"); +} |