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https://github.com/linux-sunxi/sunxi-tools.git
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2a4af4f5f2
Vendor-provided .bin files have repeatedly demonstrated that our previous interpretation of this field as version[0] is likely wrong. Instead, it seems to represent the file size (in bytes) of the .bin file. This commit fixes both decompilation (and header checks) and generation of .bin files, where it will now store the size to this field. TODO: It's unclear whether the 'filesize' needs some specific alignment (and the .bin corresponding padding). A value of 34864 (0x8830) has already been observed, so any possible alignment is expected not to exceed 16 bytes (0x10). (Currently our .bin generator doesn't care about any specific alignment.) Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/*
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* Copyright (C) 2012 Alejandro Mery <amery@geeks.cl>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SUNXI_TOOLS_SCRIPT_BIN_H
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#define _SUNXI_TOOLS_SCRIPT_BIN_H
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/** binary representation of the head of a section */
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struct script_bin_section {
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char name[32];
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int32_t length;
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int32_t offset;
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};
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/** binary representation of the head of the script file */
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struct script_bin_head {
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uint32_t sections;
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uint32_t filesize;
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uint32_t version[2];
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struct script_bin_section section[];
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};
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/** binary representation of the head of an entry */
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struct script_bin_entry {
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char name[32];
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int32_t offset;
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int32_t pattern;
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};
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/** binary representation of a GPIO */
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struct script_bin_gpio_value {
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int32_t port;
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int32_t port_num;
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int32_t mul_sel;
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int32_t pull;
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int32_t drv_level;
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int32_t data;
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};
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size_t script_bin_size(struct script *script,
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size_t *sections, size_t *entries);
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int script_generate_bin(void *bin, size_t bin_size, struct script *script,
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size_t sections, size_t entries);
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int script_decompile_bin(void *bin, size_t bin_size,
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const char *filename,
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struct script *script);
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#endif
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