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https://github.com/linux-msm/qdl.git
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Bjorn Andersson
81b68cbdb2
When distributing builds the user/developer is forced to determine which programmer, program, patch files should be passed to QDL, to which storage device each set should be programmed. This isn't user friendly and it's prone of various forms of mistakes. A solution to this problem can be found in the build artifacts of a Qualcomm Windows-releases where a "flashmap" file describes the very aspects we're looking for. Implement support for parsing this json blob, populate the Sahara images list based on the "programmer" information, parse the "program" and "patch" files for each memory type and populate the firehose operations queue with "configure", "program", and "patch" operations. Introduce a new "flash" subcommand to trigger this new implementation: qdl flash flashmap.json In certain cases the user might want to only flash the subset of images pertaining to a particular storage media - such as recovering their spinor content. The user can through a suffix operation select which storage media to flash, e.g.: qdl flash flashmap.json::spinor,ufs The json parser is derived from the implementation previously in use in the pd-mapper userspace service, to avoid adding additional library dependencies. Signed-off-by: Bjorn Andersson <bjorn.andersson@oss.qualcomm.com>
83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause */
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/*
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* Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
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* Copyright (c) 2019, Linaro Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __JSON_H__
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#define __JSON_H__
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#include <stddef.h>
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#define JSON_ERROR_SIZE 256
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#define JSON_MAX_DEPTH 256
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enum {
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JSON_TYPE_UNKNOWN,
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JSON_TYPE_TRUE,
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JSON_TYPE_FALSE,
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JSON_TYPE_NULL,
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JSON_TYPE_NUMBER,
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JSON_TYPE_STRING,
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JSON_TYPE_ARRAY,
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JSON_TYPE_OBJECT,
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};
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struct json_value {
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const char *key;
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int type;
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union {
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double number;
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const char *string;
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struct json_value *value;
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} u;
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struct json_value *next;
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};
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/*
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* Parser error message for the most recent json_parse_buf() call.
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* Empty string means no parse error was recorded.
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* This buffer is global and not thread-safe.
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*/
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extern char json_error[JSON_ERROR_SIZE];
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struct json_value *json_parse_buf(const char *json, size_t len);
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int json_count_children(struct json_value *array);
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/* Duplicate object keys are resolved by first match in input order. */
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struct json_value *json_get_child(struct json_value *object, const char *key);
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struct json_value *json_get_element_object(struct json_value *object, unsigned int idx);
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const char *json_get_element_string(struct json_value *object, unsigned int idx);
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int json_get_number(struct json_value *object, const char *key, double *number);
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const char *json_get_string(struct json_value *object, const char *key);
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void json_free(struct json_value *value);
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#endif
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