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Atmosphere/fusee/program/source/fusee_external_package.hpp

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3.3 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <exosphere.hpp>
#include "fusee_display.hpp"
namespace ams::nxboot {
constexpr inline const size_t ExternalPackageSize = 8_MB;
constexpr inline const size_t InitialProcessStorageSizeMax = 3_MB / 8;
struct ExternalPackageContentMeta {
u32 offset;
u32 size;
u8 type;
u8 flags[3];
u32 pad;
char name[0x10];
};
static_assert(sizeof(ExternalPackageContentMeta) == 0x20);
struct ExternalPackageKipMeta {
u64 program_id;
u32 offset;
u32 size;
se::Sha256Hash hash;
};
static_assert(sizeof(ExternalPackageKipMeta) == 0x30);
struct ExternalPackageHeader {
static constexpr u32 Magic = util::FourCC<'P', 'K', '3', '1'>::Code;
static constexpr u32 LegacyMagic = util::FourCC<'F','S','S','0'>::Code;
u32 magic; /* Previously entrypoint. */
u32 metadata_offset;
u32 flags;
u32 meso_size;
u32 num_kips;
u32 reserved1[3];
u32 legacy_magic;
u32 total_size;
u32 reserved2; /* Previously crt0 offset. */
u32 content_header_offset;
u32 num_content_headers;
u32 supported_hos_version;
u32 release_version;
u32 git_revision;
ExternalPackageContentMeta content_metas[(0x400 - 0x40) / sizeof(ExternalPackageContentMeta)];
ExternalPackageKipMeta emummc_meta;
ExternalPackageKipMeta kip_metas[8];
u8 reserved3[0x800 - (0x400 + 9 * sizeof(ExternalPackageKipMeta))];
};
static_assert(sizeof(ExternalPackageHeader) == 0x800);
struct ExternalPackage {
ExternalPackageHeader header; /* 0x000000-0x000800 */
u8 warmboot[0x1800]; /* 0x000800-0x002000 */
u8 tsec_keygen[0x2000]; /* 0x002000-0x004000 */
u8 mariko_fatal[0x1C000]; /* 0x004000-0x020000 */
u8 ovl_mtc_erista[0x14000]; /* 0x020000-0x034000 */
u8 ovl_mtc_mariko[0x14000]; /* 0x034000-0x048000 */
u8 exosphere[0xE000]; /* 0x048000-0x056000 */
u8 mesosphere[0xAA000]; /* 0x056000-0x100000 */
u8 kips[3_MB]; /* 0x100000-0x400000 */
u8 splash_screen_fb[FrameBufferSize]; /* 0x400000-0x7C0000 */
u8 fusee[0x20000]; /* 0x7C0000-0x7E0000 */
u8 reboot_stub[0x1000]; /* 0x7E0000-0x7E1000 */
u8 reserved[0x1F000]; /* 0x7E1000-0x800000 */
};
static_assert(sizeof(ExternalPackage) == ExternalPackageSize);
ALWAYS_INLINE const ExternalPackage &GetExternalPackage() { return *reinterpret_cast<const ExternalPackage *>(0xC0000000); }
}