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https://github.com/Atmosphere-NX/Atmosphere.git
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101 lines
3.2 KiB
C
101 lines
3.2 KiB
C
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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 FUSEE_PACKAGE2_H
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#define FUSEE_PACKAGE2_H
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/* This is a library for patching Package2 prior to handoff to Exosphere. */
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#define MAGIC_PK21 (0x31324B50)
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#define PACKAGE2_SIZE_MAX 0x7FC000
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#define PACKAGE2_SECTION_KERNEL 0x0
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#define PACKAGE2_SECTION_INI1 0x1
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#define PACKAGE2_SECTION_UNUSED 0x2
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#define PACKAGE2_SECTION_MAX 0x3
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#define PACKAGE2_MINVER_THEORETICAL 0x0
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#define PACKAGE2_MAXVER_100 0x2
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#define PACKAGE2_MAXVER_200 0x3
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#define PACKAGE2_MAXVER_300 0x4
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#define PACKAGE2_MAXVER_302 0x5
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#define PACKAGE2_MAXVER_400_410 0x6
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#define PACKAGE2_MAXVER_500_510 0x7
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#define PACKAGE2_MAXVER_600_610 0x8
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#define PACKAGE2_MAXVER_620 0x9
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#define PACKAGE2_MAXVER_700_800 0xA
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#define PACKAGE2_MAXVER_810 0xB
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#define PACKAGE2_MAXVER_900 0xC
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#define PACKAGE2_MAXVER_910_920 0xD
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#define PACKAGE2_MAXVER_1000 0xE
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#define PACKAGE2_MAXVER_1100_CURRENT 0xF
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#define PACKAGE2_MINVER_100 0x3
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#define PACKAGE2_MINVER_200 0x4
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#define PACKAGE2_MINVER_300 0x5
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#define PACKAGE2_MINVER_302 0x6
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#define PACKAGE2_MINVER_400_410 0x7
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#define PACKAGE2_MINVER_500_510 0x8
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#define PACKAGE2_MINVER_600_610 0x9
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#define PACKAGE2_MINVER_620 0xA
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#define PACKAGE2_MINVER_700_800 0xB
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#define PACKAGE2_MINVER_810 0xC
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#define PACKAGE2_MINVER_900 0xD
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#define PACKAGE2_MINVER_910_920 0xE
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#define PACKAGE2_MINVER_1000 0xF
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#define PACKAGE2_MINVER_1100_CURRENT 0x10
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#define NX_BOOTLOADER_PACKAGE2_LOAD_ADDRESS ((void *)(0xA9800000ull))
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typedef struct {
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union {
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uint8_t ctr[0x10];
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uint32_t ctr_dwords[0x4];
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};
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uint8_t section_ctrs[4][0x10];
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uint32_t magic;
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uint32_t entrypoint;
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uint32_t _0x58;
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uint8_t version_max; /* Must be > TZ value. */
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uint8_t version_min; /* Must be < TZ value. */
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uint16_t _0x5E;
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uint32_t section_sizes[4];
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uint32_t section_offsets[4];
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uint8_t section_hashes[4][0x20];
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} package2_meta_t;
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typedef struct {
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uint8_t signature[0x100];
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union {
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package2_meta_t metadata;
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uint8_t encrypted_header[0x100];
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};
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uint8_t data[];
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} package2_header_t;
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/* Package2 can be encrypted or unencrypted for these functions: */
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static inline size_t package2_meta_get_size(const package2_meta_t *metadata) {
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return metadata->ctr_dwords[0] ^ metadata->ctr_dwords[2] ^ metadata->ctr_dwords[3];
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}
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static inline uint8_t package2_meta_get_header_version(const package2_meta_t *metadata) {
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return (uint8_t)((metadata->ctr_dwords[1] ^ (metadata->ctr_dwords[1] >> 16) ^ (metadata->ctr_dwords[1] >> 24)) & 0xFF);
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}
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void package2_rebuild_and_copy(package2_header_t *package2, uint32_t target_firmware, void *mesosphere, size_t mesosphere_size, void *emummc, size_t emummc_size);
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#endif
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