mirror of
https://github.com/Atmosphere-NX/Atmosphere
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444 lines
17 KiB
C++
444 lines
17 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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#include <exosphere.hpp>
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#include "fusee_stratosphere.hpp"
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#include "fusee_fatal.hpp"
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#include "fusee_malloc.hpp"
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#include "fusee_secondary_archive.hpp"
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#include "fs/fusee_fs_api.hpp"
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namespace ams::nxboot {
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namespace {
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struct InitialProcessBinaryHeader {
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static constexpr u32 Magic = util::FourCC<'I','N','I','1'>::Code;
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u32 magic;
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u32 size;
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u32 num_processes;
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u32 reserved;
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};
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struct InitialProcessHeader {
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static constexpr u32 Magic = util::FourCC<'K','I','P','1'>::Code;
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u32 magic;
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u8 name[12];
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u64 program_id;
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u32 version;
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u8 priority;
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u8 ideal_core_id;
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u8 _1E;
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u8 flags;
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u32 rx_address;
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u32 rx_size;
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u32 rx_compressed_size;
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u32 affinity_mask;
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u32 ro_address;
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u32 ro_size;
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u32 ro_compressed_size;
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u32 stack_size;
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u32 rw_address;
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u32 rw_size;
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u32 rw_compressed_size;
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u32 _4C;
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u32 bss_address;
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u32 bss_size;
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u32 pad[(0x80 - 0x58) / sizeof(u32)];
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u32 capabilities[0x80 / sizeof(u32)];
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};
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static_assert(sizeof(InitialProcessHeader) == 0x100);
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struct PatchMeta {
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u32 offset;
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void *data;
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u32 size;
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};
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struct alignas(0x10) InitialProcessMeta {
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InitialProcessMeta *next = nullptr;
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const InitialProcessHeader *kip;
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u32 kip_size;
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PatchMeta *patches;
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u32 patch_segments;
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u64 program_id;
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se::Sha256Hash kip_hash;
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};
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static_assert(sizeof(InitialProcessMeta) == 0x40);
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static_assert(alignof(InitialProcessMeta) == 0x10);
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enum FsVersion {
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FsVersion_1_0_0 = 0,
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FsVersion_2_0_0,
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FsVersion_2_0_0_Exfat,
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FsVersion_2_1_0,
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FsVersion_2_1_0_Exfat,
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FsVersion_3_0_0,
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FsVersion_3_0_0_Exfat,
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FsVersion_3_0_1,
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FsVersion_3_0_1_Exfat,
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FsVersion_4_0_0,
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FsVersion_4_0_0_Exfat,
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FsVersion_4_1_0,
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FsVersion_4_1_0_Exfat,
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FsVersion_5_0_0,
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FsVersion_5_0_0_Exfat,
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FsVersion_5_1_0,
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FsVersion_5_1_0_Exfat,
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FsVersion_6_0_0,
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FsVersion_6_0_0_Exfat,
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FsVersion_7_0_0,
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FsVersion_7_0_0_Exfat,
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FsVersion_8_0_0,
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FsVersion_8_0_0_Exfat,
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FsVersion_8_1_0,
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FsVersion_8_1_0_Exfat,
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FsVersion_9_0_0,
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FsVersion_9_0_0_Exfat,
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FsVersion_9_1_0,
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FsVersion_9_1_0_Exfat,
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FsVersion_10_0_0,
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FsVersion_10_0_0_Exfat,
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FsVersion_10_2_0,
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FsVersion_10_2_0_Exfat,
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FsVersion_11_0_0,
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FsVersion_11_0_0_Exfat,
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FsVersion_12_0_0,
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FsVersion_12_0_0_Exfat,
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FsVersion_12_0_3,
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FsVersion_12_0_3_Exfat,
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FsVersion_Count,
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};
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constexpr const u8 FsHashes[FsVersion_Count][8] = {
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{ 0xDE, 0x9F, 0xDD, 0xA4, 0x08, 0x5D, 0xD5, 0xFE }, /* FsVersion_1_0_0 */
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{ 0xCD, 0x7B, 0xBE, 0x18, 0xD6, 0x13, 0x0B, 0x28 }, /* FsVersion_2_0_0 */
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{ 0xE7, 0x66, 0x92, 0xDF, 0xAA, 0x04, 0x20, 0xE9 }, /* FsVersion_2_0_0_Exfat */
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{ 0x0D, 0x70, 0x05, 0x62, 0x7B, 0x07, 0x76, 0x7C }, /* FsVersion_2_1_0 */
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{ 0xDB, 0xD8, 0x5F, 0xCA, 0xCC, 0x19, 0x3D, 0xA8 }, /* FsVersion_2_1_0_Exfat */
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{ 0xA8, 0x6D, 0xA5, 0xE8, 0x7E, 0xF1, 0x09, 0x7B }, /* FsVersion_3_0_0 */
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{ 0x98, 0x1C, 0x57, 0xE7, 0xF0, 0x2F, 0x70, 0xF7 }, /* FsVersion_3_0_0_Exfat */
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{ 0x57, 0x39, 0x7C, 0x06, 0x3F, 0x10, 0xB6, 0x31 }, /* FsVersion_3_0_1 */
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{ 0x07, 0x30, 0x99, 0xD7, 0xC6, 0xAD, 0x7D, 0x89 }, /* FsVersion_3_0_1_Exfat */
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{ 0x06, 0xE9, 0x07, 0x19, 0x59, 0x5A, 0x01, 0x0C }, /* FsVersion_4_0_0 */
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{ 0x54, 0x9B, 0x0F, 0x8D, 0x6F, 0x72, 0xC4, 0xE9 }, /* FsVersion_4_0_0_Exfat */
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{ 0x80, 0x96, 0xAF, 0x7C, 0x6A, 0x35, 0xAA, 0x82 }, /* FsVersion_4_1_0 */
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{ 0x02, 0xD5, 0xAB, 0xAA, 0xFD, 0x20, 0xC8, 0xB0 }, /* FsVersion_4_1_0_Exfat */
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{ 0xA6, 0xF2, 0x7A, 0xD9, 0xAC, 0x7C, 0x73, 0xAD }, /* FsVersion_5_0_0 */
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{ 0xCE, 0x3E, 0xCB, 0xA2, 0xF2, 0xF0, 0x62, 0xF5 }, /* FsVersion_5_0_0_Exfat */
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{ 0x76, 0xF8, 0x74, 0x02, 0xC9, 0x38, 0x7C, 0x0F }, /* FsVersion_5_1_0 */
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{ 0x10, 0xB2, 0xD8, 0x16, 0x05, 0x48, 0x85, 0x99 }, /* FsVersion_5_1_0_Exfat */
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{ 0x3A, 0x57, 0x4D, 0x43, 0x61, 0x86, 0x19, 0x1D }, /* FsVersion_6_0_0 */
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{ 0x33, 0x05, 0x53, 0xF6, 0xB5, 0xFB, 0x55, 0xC4 }, /* FsVersion_6_0_0_Exfat */
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{ 0x2A, 0xDB, 0xE9, 0x7E, 0x9B, 0x5F, 0x41, 0x77 }, /* FsVersion_7_0_0 */
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{ 0x2C, 0xCE, 0x65, 0x9C, 0xEC, 0x53, 0x6A, 0x8E }, /* FsVersion_7_0_0_Exfat */
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{ 0xB2, 0xF5, 0x17, 0x6B, 0x35, 0x48, 0x36, 0x4D }, /* FsVersion_8_0_0 */
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{ 0xDB, 0xD9, 0x41, 0xC0, 0xC5, 0x3C, 0x52, 0xCC }, /* FsVersion_8_0_0_Exfat */
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{ 0x6B, 0x09, 0xB6, 0x7B, 0x29, 0xC0, 0x20, 0x24 }, /* FsVersion_8_1_0 */
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{ 0xB4, 0xCA, 0xE1, 0xF2, 0x49, 0x65, 0xD9, 0x2E }, /* FsVersion_8_1_0_Exfat */
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{ 0x46, 0x87, 0x40, 0x76, 0x1E, 0x19, 0x3E, 0xB7 }, /* FsVersion_9_0_0 */
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{ 0x7C, 0x95, 0x13, 0x76, 0xE5, 0xC1, 0x2D, 0xF8 }, /* FsVersion_9_0_0_Exfat */
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{ 0xB5, 0xE7, 0xA6, 0x4C, 0x6F, 0x5C, 0x4F, 0xE3 }, /* FsVersion_9_1_0 */
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{ 0xF1, 0x96, 0xD1, 0x44, 0xD0, 0x44, 0x45, 0xB6 }, /* FsVersion_9_1_0_Exfat */
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{ 0x3E, 0xEB, 0xD9, 0xB7, 0xBC, 0xD1, 0xB5, 0xE0 }, /* FsVersion_10_0_0 */
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{ 0x81, 0x7E, 0xA2, 0xB0, 0xB7, 0x02, 0xC1, 0xF3 }, /* FsVersion_10_0_0_Exfat */
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{ 0xA9, 0x52, 0xB6, 0x57, 0xAD, 0xF9, 0xC2, 0xBA }, /* FsVersion_10_2_0 */
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{ 0x16, 0x0D, 0x3E, 0x10, 0x4E, 0xAD, 0x61, 0x76 }, /* FsVersion_10_2_0_Exfat */
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{ 0xE3, 0x99, 0x15, 0x6E, 0x84, 0x4E, 0xB0, 0xAA }, /* FsVersion_11_0_0 */
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{ 0x0B, 0xA1, 0x5B, 0xB3, 0x04, 0xB5, 0x05, 0x63 }, /* FsVersion_11_0_0_Exfat */
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{ 0xDC, 0x2A, 0x08, 0x49, 0x96, 0xBB, 0x3C, 0x01 }, /* FsVersion_12_0_0 */
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{ 0xD5, 0xA5, 0xBF, 0x36, 0x64, 0x0C, 0x49, 0xEA }, /* FsVersion_12_0_0_Exfat */
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{ 0xC8, 0x67, 0x62, 0xBE, 0x19, 0xA5, 0x1F, 0xA0 }, /* FsVersion_12_0_3 */
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{ 0xE1, 0xE8, 0xD3, 0xD6, 0xA2, 0xFE, 0x0B, 0x10 }, /* FsVersion_12_0_3_Exfat */
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};
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const InitialProcessBinaryHeader *FindInitialProcessBinary(const pkg2::Package2Header *header, const u8 *data, ams::TargetFirmware target_firmware) {
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if (target_firmware >= ams::TargetFirmware_8_0_0) {
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/* Try to find initial process binary. */
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const u32 *data_32 = reinterpret_cast<const u32 *>(data);
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for (size_t i = 0; i < 0x1000 / sizeof(u32); ++i) {
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if (data_32[i] == 0 && data_32[i + 8] <= header->meta.payload_sizes[0] && std::memcmp(data + data_32[i + 8], "INI1", 4) == 0) {
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return reinterpret_cast<const InitialProcessBinaryHeader *>(data + data_32[i + 8]);
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}
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}
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return nullptr;
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} else {
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return reinterpret_cast<const InitialProcessBinaryHeader *>(data + header->meta.payload_sizes[0]);
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}
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}
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constexpr size_t GetInitialProcessSize(const InitialProcessHeader *kip) {
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return sizeof(*kip) + kip->rx_compressed_size + kip->ro_compressed_size + kip->rw_compressed_size;
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}
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const InitialProcessHeader *FindInitialProcessInBinary(const InitialProcessBinaryHeader *ini, u64 program_id) {
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const u8 *data = reinterpret_cast<const u8 *>(ini + 1);
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for (u32 i = 0; i < ini->num_processes; ++i) {
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const InitialProcessHeader *kip = reinterpret_cast<const InitialProcessHeader *>(data);
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if (kip->magic != InitialProcessHeader::Magic) {
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return nullptr;
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}
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if (kip->program_id == program_id) {
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return kip;
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}
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data += GetInitialProcessSize(kip);
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}
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return nullptr;
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}
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FsVersion GetFsVersion(const se::Sha256Hash &fs_hash) {
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for (size_t i = 0; i < util::size(FsHashes); ++i) {
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if (std::memcmp(fs_hash.bytes, FsHashes[i], sizeof(FsHashes[i])) == 0) {
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return static_cast<FsVersion>(i);
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}
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}
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return FsVersion_Count;
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}
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constinit InitialProcessMeta g_initial_process_meta = {};
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constinit size_t g_initial_process_binary_size = 0;
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void AddInitialProcessImpl(InitialProcessMeta *meta, const InitialProcessHeader *kip, const se::Sha256Hash *hash) {
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/* Set the meta's fields. */
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meta->next = nullptr;
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meta->program_id = kip->program_id;
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meta->kip = kip;
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meta->kip_size = GetInitialProcessSize(kip);
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/* Copy or calculate hash. */
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if (hash != nullptr) {
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std::memcpy(std::addressof(meta->kip_hash), hash, sizeof(meta->kip_hash));
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} else {
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se::CalculateSha256(std::addressof(meta->kip_hash), kip, meta->kip_size);
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}
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/* Clear patches. */
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meta->patches = nullptr;
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meta->patch_segments = 0;
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/* Increase the initial process binary's size. */
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g_initial_process_binary_size += meta->kip_size;
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}
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bool AddInitialProcess(const InitialProcessHeader *kip, const se::Sha256Hash *hash = nullptr) {
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/* Handle the initial case. */
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if (g_initial_process_binary_size == 0) {
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AddInitialProcessImpl(std::addressof(g_initial_process_meta), kip, hash);
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return true;
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}
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/* Check if we've already added the program id. */
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InitialProcessMeta *cur = std::addressof(g_initial_process_meta);
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while (true) {
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if (cur->program_id == kip->program_id) {
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return false;
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}
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if (cur->next != nullptr) {
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cur = cur->next;
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} else {
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break;
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}
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}
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/* Allocate an initial process meta. */
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auto *new_meta = static_cast<InitialProcessMeta *>(AllocateAligned(sizeof(InitialProcessMeta), alignof(InitialProcessMeta)));
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/* Insert the new meta. */
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cur->next = new_meta;
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AddInitialProcessImpl(new_meta, kip, hash);
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return true;
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}
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const InitialProcessMeta *FindInitialProcess(u64 program_id) {
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for (const InitialProcessMeta *cur = std::addressof(g_initial_process_meta); cur != nullptr; cur = cur->next) {
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if (cur->program_id == program_id) {
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return cur;
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}
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}
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return nullptr;
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}
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}
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u32 ConfigureStratosphere(const u8 *nn_package2, ams::TargetFirmware target_firmware, bool emummc_enabled, bool nogc_enabled) {
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/* Load KIPs off the SD card. */
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{
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/* Create kip dir path. */
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char kip_path[0x120];
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std::memcpy(kip_path, "sdmc:/atmosphere/kips", 0x16);
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fs::DirectoryHandle kip_dir;
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if (R_SUCCEEDED(fs::OpenDirectory(std::addressof(kip_dir), kip_path))) {
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ON_SCOPE_EXIT { fs::CloseDirectory(kip_dir); };
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s64 count;
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fs::DirectoryEntry entries[1];
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while (R_SUCCEEDED(fs::ReadDirectory(std::addressof(count), entries, kip_dir, util::size(entries))) && count > 0) {
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/* Get filename length. */
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const int name_len = std::strlen(entries[0].file_name);
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/* Adjust kip path. */
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kip_path[0x15] = '/';
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std::memcpy(kip_path + 0x16, entries[0].file_name, name_len + 1);
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/* Check that file is ".kip" or ".kip1" file. */
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const int path_len = 0x16 + name_len;
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if (std::memcmp(kip_path + path_len - 4, ".kip", 5) != 0 && std::memcmp(kip_path + path_len - 5, ".kip1", 6) != 0) {
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continue;
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}
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/* Check that file is a file. */
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if (fs::GetEntryType(entries[0]) != fs::DirectoryEntryType_File) {
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continue;
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}
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/* Open the kip. */
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fs::FileHandle kip_file;
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if (R_SUCCEEDED(fs::OpenFile(std::addressof(kip_file), kip_path, fs::OpenMode_Read))) {
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ON_SCOPE_EXIT { fs::CloseFile(kip_file); };
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Result result;
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/* Get the kip size. */
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s64 file_size;
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if (R_FAILED((result = fs::GetFileSize(std::addressof(file_size), kip_file)))) {
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ShowFatalError("Failed to get size (0x%08" PRIx32 ") of %s!\n", result.GetValue(), kip_path);
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}
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/* Allocate kip. */
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InitialProcessHeader *kip = static_cast<InitialProcessHeader *>(AllocateAligned(file_size, alignof(InitialProcessHeader)));
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/* Read the kip. */
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if (R_FAILED((result = fs::ReadFile(kip_file, 0, kip, file_size)))) {
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ShowFatalError("Failed to read (0x%08" PRIx32 ") %s!\n", result.GetValue(), kip_path);
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}
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/* If the kip is valid, add it. */
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if (kip->magic == InitialProcessHeader::Magic && file_size == GetInitialProcessSize(kip)) {
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AddInitialProcess(kip);
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}
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}
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}
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}
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}
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/* Add the stratosphere kips. */
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{
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const auto &secondary_archive = GetSecondaryArchive();
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for (u32 i = 0; i < secondary_archive.header.num_kips; ++i) {
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const auto &meta = secondary_archive.header.kip_metas[i];
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AddInitialProcess(reinterpret_cast<const InitialProcessHeader *>(secondary_archive.kips + meta.offset), std::addressof(meta.hash));
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}
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}
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/* Get meta for FS process. */
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constexpr u64 FsProgramId = 0x0100000000000000;
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const auto *fs_meta = FindInitialProcess(FsProgramId);
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if (fs_meta == nullptr) {
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/* Get nintendo header/data. */
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const pkg2::Package2Header *nn_header = reinterpret_cast<const pkg2::Package2Header *>(nn_package2);
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const u8 *nn_data = nn_package2 + sizeof(*nn_header);
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/* Get Nintendo INI1. */
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const InitialProcessBinaryHeader *nn_ini = FindInitialProcessBinary(nn_header, nn_data, target_firmware);
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if (nn_ini == nullptr || nn_ini->magic != InitialProcessBinaryHeader::Magic) {
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ShowFatalError("Failed to find INI1!\n");
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}
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/* Find FS KIP. */
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const InitialProcessHeader *nn_fs_kip = FindInitialProcessInBinary(nn_ini, FsProgramId);
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if (nn_fs_kip == nullptr) {
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ShowFatalError("Failed to find FS!\n");
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}
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/* Add to binary. */
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AddInitialProcess(nn_fs_kip);
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|
/* Re-find meta. */
|
|
fs_meta = FindInitialProcess(FsProgramId);
|
|
}
|
|
|
|
/* Check that we found FS. */
|
|
if (fs_meta == nullptr) {
|
|
ShowFatalError("Failed to find FS!\n");
|
|
}
|
|
|
|
/* Get FS version. */
|
|
const auto fs_version = GetFsVersion(fs_meta->kip_hash);
|
|
if (fs_version >= FsVersion_Count) {
|
|
if (emummc_enabled || nogc_enabled) {
|
|
ShowFatalError("Failed to identify FS!\n");
|
|
}
|
|
}
|
|
|
|
/* TODO: Parse/prepare relevant nogc/kip patches. */
|
|
|
|
/* Return the fs version we're using. */
|
|
return static_cast<u32>(fs_version);
|
|
}
|
|
|
|
void RebuildPackage2(ams::TargetFirmware target_firmware, bool emummc_enabled) {
|
|
/* TODO */
|
|
}
|
|
|
|
}
|