Project import
diff --git a/bootctl/Android.mk b/bootctl/Android.mk new file mode 100644 index 0000000..f0f5a06 --- /dev/null +++ b/bootctl/Android.mk
@@ -0,0 +1,12 @@ +# Copyright 2015 The Android Open Source Project + +LOCAL_PATH := $(call my-dir) +include $(CLEAR_VARS) + +LOCAL_SRC_FILES := bootctl.c +LOCAL_SHARED_LIBRARIES := libhardware +LOCAL_MODULE := bootctl +LOCAL_C_INCLUDES = hardware/libhardware/include +LOCAL_CFLAGS := -Wno-unused-parameter + +include $(BUILD_EXECUTABLE)
diff --git a/bootctl/NOTICE b/bootctl/NOTICE new file mode 100644 index 0000000..8530865 --- /dev/null +++ b/bootctl/NOTICE
@@ -0,0 +1,190 @@ + + Copyright (c) 2015, 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. + + 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. + + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS +
diff --git a/bootctl/bootctl.c b/bootctl/bootctl.c new file mode 100644 index 0000000..ee8378b --- /dev/null +++ b/bootctl/bootctl.c
@@ -0,0 +1,212 @@ +/* + * Copyright (C) 2015 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 <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <sysexits.h> + +#include <errno.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <hardware/hardware.h> +#include <hardware/boot_control.h> + +static void usage(FILE* where, int argc, char* argv[]) +{ + fprintf(where, + "%s - command-line wrapper for the boot_control HAL.\n" + "\n" + "Usage:\n" + " %s COMMAND\n" + "\n" + "Commands:\n" + " %s hal-info - Show info about boot_control HAL used.\n" + " %s get-number-slots - Prints number of slots.\n" + " %s get-current-slot - Prints currently running SLOT.\n" + " %s mark-boot-successful - Mark current slot as GOOD.\n" + " %s set-active-boot-slot SLOT - On next boot, load and execute SLOT.\n" + " %s set-slot-as-unbootable SLOT - Mark SLOT as invalid.\n" + " %s is-slot-bootable SLOT - Returns 0 only if SLOT is bootable.\n" + " %s is-slot-marked-successful SLOT - Returns 0 only if SLOT is marked GOOD.\n" + " %s get-suffix SLOT - Prints suffix for SLOT.\n" + "\n" + "SLOT parameter is the zero-based slot-number.\n", + argv[0], argv[0], argv[0], argv[0], argv[0], argv[0], + argv[0], argv[0], argv[0], argv[0], argv[0]); +} + +static int do_hal_info(const hw_module_t *hw_module) +{ + fprintf(stdout, + "HAL name: %s\n" + "HAL author: %s\n" + "HAL module version: %d.%d\n", + hw_module->name, + hw_module->author, + hw_module->module_api_version>>8, + hw_module->module_api_version&0xff); + return EX_OK; +} + +static int do_get_number_slots(boot_control_module_t *module) +{ + int num_slots = module->getNumberSlots(module); + fprintf(stdout, "%d\n", num_slots); + return EX_OK; +} + +static int do_get_current_slot(boot_control_module_t *module) +{ + int cur_slot = module->getCurrentSlot(module); + fprintf(stdout, "%d\n", cur_slot); + return EX_OK; +} + +static int do_mark_boot_successful(boot_control_module_t *module) +{ + int ret = module->markBootSuccessful(module); + if (ret == 0) + return EX_OK; + fprintf(stderr, "Error marking as having booted successfully: %s\n", + strerror(-ret)); + return EX_SOFTWARE; +} + +static int do_set_active_boot_slot(boot_control_module_t *module, + int slot_number) +{ + int ret = module->setActiveBootSlot(module, slot_number); + if (ret == 0) + return EX_OK; + fprintf(stderr, "Error setting active boot slot: %s\n", strerror(-ret)); + return EX_SOFTWARE; +} + +static int do_set_slot_as_unbootable(boot_control_module_t *module, + int slot_number) +{ + int ret = module->setSlotAsUnbootable(module, slot_number); + if (ret == 0) + return EX_OK; + fprintf(stderr, "Error setting slot as unbootable: %s\n", strerror(-ret)); + return EX_SOFTWARE; +} + + +static int do_is_slot_bootable(boot_control_module_t *module, int slot_number) +{ + int ret = module->isSlotBootable(module, slot_number); + if (ret == 0) { + return EX_SOFTWARE; + } else if (ret < 0) { + fprintf(stderr, "Error calling isSlotBootable(): %s\n", + strerror(-ret)); + return EX_SOFTWARE; + } + return EX_OK; +} + + +static int do_get_suffix(boot_control_module_t *module, int slot_number) +{ + const char* suffix = module->getSuffix(module, slot_number); + fprintf(stdout, "%s\n", suffix); + return EX_OK; +} + +static int do_is_slot_marked_successful(boot_control_module_t *module, + int slot_number) +{ + if (module->isSlotMarkedSuccessful == NULL) { + fprintf(stderr, "isSlotMarkedSuccessful() is not implemented by HAL.\n"); + return EX_UNAVAILABLE; + } + int ret = module->isSlotMarkedSuccessful(module, slot_number); + if (ret == 0) { + return EX_SOFTWARE; + } else if (ret < 0) { + fprintf(stderr, "Error calling isSlotMarkedSuccessful(): %s\n", + strerror(-ret)); + return EX_SOFTWARE; + } + return EX_OK; +} + +static int parse_slot(int pos, int argc, char *argv[]) +{ + if (pos > argc - 1) { + usage(stderr, argc, argv); + exit(EX_USAGE); + return -1; + } + errno = 0; + long int ret = strtol(argv[pos], NULL, 10); + if (errno != 0 || ret > INT_MAX || ret < 0) { + usage(stderr, argc, argv); + exit(EX_USAGE); + return -1; + } + return (int)ret; +} + +int main(int argc, char *argv[]) +{ + const hw_module_t *hw_module; + boot_control_module_t *module; + int ret; + + if (argc < 2) { + usage(stderr, argc, argv); + return EX_USAGE; + } + + ret = hw_get_module("bootctrl", &hw_module); + if (ret != 0) { + fprintf(stderr, "Error getting bootctrl module.\n"); + return EX_SOFTWARE; + } + module = (boot_control_module_t*) hw_module; + module->init(module); + + if (strcmp(argv[1], "hal-info") == 0) { + return do_hal_info(hw_module); + } else if (strcmp(argv[1], "get-number-slots") == 0) { + return do_get_number_slots(module); + } else if (strcmp(argv[1], "get-current-slot") == 0) { + return do_get_current_slot(module); + } else if (strcmp(argv[1], "mark-boot-successful") == 0) { + return do_mark_boot_successful(module); + } else if (strcmp(argv[1], "set-active-boot-slot") == 0) { + return do_set_active_boot_slot(module, parse_slot(2, argc, argv)); + } else if (strcmp(argv[1], "set-slot-as-unbootable") == 0) { + return do_set_slot_as_unbootable(module, parse_slot(2, argc, argv)); + } else if (strcmp(argv[1], "is-slot-bootable") == 0) { + return do_is_slot_bootable(module, parse_slot(2, argc, argv)); + } else if (strcmp(argv[1], "get-suffix") == 0) { + return do_get_suffix(module, parse_slot(2, argc, argv)); + } else if (strcmp(argv[1], "is-slot-marked-successful") == 0) { + return do_is_slot_marked_successful(module, parse_slot(2, argc, argv)); + } else { + usage(stderr, argc, argv); + return EX_USAGE; + } + + return 0; +}