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fusee_cpp: implement KIP selection

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This commit is contained in:
Michael Scire 2021-09-02 20:40:15 -07:00 committed by SciresM
parent 622650623c
commit cefdda77e5
7 changed files with 614 additions and 11 deletions
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12
fusee_cpp/program/program.ld
View file

@ -17,6 +17,18 @@ SECTIONS
BYTE(00);
} >main AT>glob
.ovl_data :
{
FILL(0x00000000)
fusee_mtc_erista.o(SORT(.data*));
fusee_mtc_erista.o(SORT(.bss*));
fusee_mtc_mariko.o(SORT(.data*));
fusee_mtc_mariko.o(SORT(.bss*));
. = ALIGN(16);
. = . + 15;
BYTE(00);
} >main AT>glob
.text :
{
FILL(0x00000000)

56
fusee_cpp/program/source/fs/fusee_fs_api.cpp
View file

@ -19,9 +19,12 @@
namespace ams::fs {
static_assert(sizeof(DirectoryEntry) == sizeof(FILINFO));
namespace {
constexpr size_t MaxFiles = 8;
constexpr size_t MaxDirectories = 2;
constinit bool g_is_sd_mounted = false;
constinit bool g_is_sys_mounted = false;
@ -30,7 +33,9 @@ namespace ams::fs {
alignas(0x10) constinit FATFS g_sys_fs = {};
alignas(0x10) constinit FIL g_files[MaxFiles] = {};
alignas(0x10) constinit DIR g_dirs[MaxDirectories] = {};
constinit bool g_files_opened[MaxFiles] = {};
constinit bool g_dirs_opened[MaxFiles] = {};
constinit int g_open_modes[MaxFiles] = {};
Result TranslateFatFsError(FRESULT res) {
@ -96,12 +101,22 @@ namespace ams::fs {
return static_cast<FIL *>(handle._handle);
}
DIR *GetInternalDirectory(DirectoryHandle handle) {
return static_cast<DIR *>(handle._handle);
}
ALWAYS_INLINE size_t GetFileIndex(FIL *fp) {
const size_t file_index = (fp - g_files);
AMS_ASSERT(file_index < MaxFiles);
return file_index;
}
ALWAYS_INLINE size_t GetDirectoryIndex(DIR *dp) {
const size_t dir_index = (dp - g_dirs);
AMS_ASSERT(dir_index < MaxDirectories);
return dir_index;
}
}
bool MountSdCard() {
@ -176,6 +191,47 @@ namespace ams::fs {
return fs::ResultOpenCountLimit();
}
Result OpenDirectory(DirectoryHandle *out_dir, const char *path) {
/* Find a free directory. */
for (size_t i = 0; i < MaxDirectories; ++i) {
if (!g_dirs_opened[i]) {
/* Open the file. */
DIR *dp = std::addressof(g_dirs[i]);
R_TRY(TranslateFatFsError(f_opendir(dp, path)));
/* Set the output. */
out_dir->_handle = dp;
g_dirs_opened[i] = true;
return ResultSuccess();
}
}
return fs::ResultOpenCountLimit();
}
Result ReadDirectory(s64 *out_count, DirectoryEntry *out_entries, DirectoryHandle handle, s64 max_entries) {
DIR * const dp = GetInternalDirectory(handle);
s64 count = 0;
while (count < max_entries) {
R_TRY(TranslateFatFsError(f_readdir(dp, reinterpret_cast<FILINFO *>(out_entries + count))));
if (out_entries[count].file_name[0] == '\x00') {
break;
}
++count;
}
*out_count = count;
return ResultSuccess();
}
void CloseDirectory(DirectoryHandle handle) {
const size_t index = GetDirectoryIndex(GetInternalDirectory(handle));
f_closedir(std::addressof(g_dirs[index]));
g_dirs_opened[index] = false;
}
Result ReadFile(FileHandle handle, s64 offset, void *buffer, size_t size, const fs::ReadOption &option) {
/* Option is unused. */
AMS_UNUSED(option);

18
fusee_cpp/program/source/fs/fusee_fs_api.hpp
View file

@ -74,6 +74,19 @@ namespace ams::fs {
DirectoryEntryType_File = 1,
};
struct DirectoryEntry {
u64 file_size;
u16 file_date;
u16 file_time;
u8 file_attr;
char altname[13];
char file_name[0x100];
};
constexpr ALWAYS_INLINE DirectoryEntryType GetEntryType(const DirectoryEntry &entry) {
return (entry.file_attr & 0x10) ? DirectoryEntryType_Directory : DirectoryEntryType_File;
}
struct FileHandle {
void *_handle;
};
@ -94,6 +107,11 @@ namespace ams::fs {
Result CreateDirectory(const char *path);
Result OpenFile(FileHandle *out_file, const char *path, int mode);
Result OpenDirectory(DirectoryHandle *out_dir, const char *path);
Result ReadDirectory(s64 *out_count, DirectoryEntry *out_entries, DirectoryHandle handle, s64 max_entries);
void CloseDirectory(DirectoryHandle handle);
Result ReadFile(FileHandle handle, s64 offset, void *buffer, size_t size, const fs::ReadOption &option);
Result ReadFile(FileHandle handle, s64 offset, void *buffer, size_t size);
Result ReadFile(size_t *out, FileHandle handle, s64 offset, void *buffer, size_t size, const fs::ReadOption &option);

11
fusee_cpp/program/source/fusee_secondary_archive.hpp
View file

@ -37,20 +37,21 @@ namespace ams::nxboot {
u64 program_id;
u32 offset;
u32 size;
se::Sha256Hash hash;
};
static_assert(sizeof(SecondaryArchiveKipMeta) == 0x10);
static_assert(sizeof(SecondaryArchiveKipMeta) == 0x30);
struct SecondaryArchiveHeader {
static constexpr u32 Magic = util::FourCC<'F','S','S','0'>::Code;
u32 reserved0; /* Previously entrypoint. */
u32 metadata_offset;
u32 revision;
u32 reserved1;
u32 num_kips;
u32 reserved1[4];
u32 reserved2[4];
u32 magic;
u32 total_size;
u32 reserved2; /* Previously crt0 offset. */
u32 reserved3; /* Previously crt0 offset. */
u32 content_header_offset;
u32 num_content_headers;
u32 supported_hos_version;
@ -59,7 +60,7 @@ namespace ams::nxboot {
SecondaryArchiveContentMeta content_metas[(0x400 - 0x40) / sizeof(SecondaryArchiveContentMeta)];
SecondaryArchiveKipMeta emummc_meta;
SecondaryArchiveKipMeta kip_metas[8];
u8 reserved3[0x800 - 0x490];
u8 reserved4[0x800 - (0x400 + 9 * sizeof(SecondaryArchiveKipMeta))];
};
static_assert(sizeof(SecondaryArchiveHeader) == 0x800);

59
fusee_cpp/program/source/fusee_setup_horizon.cpp
View file

@ -26,6 +26,7 @@
#include "fusee_package2.hpp"
#include "fusee_malloc.hpp"
#include "fusee_secmon_sync.hpp"
#include "fusee_stratosphere.hpp"
#include "fs/fusee_fs_api.hpp"
namespace ams::nxboot {
@ -562,7 +563,7 @@ namespace ams::nxboot {
}
}
void ConfigureExosphere(fuse::SocType soc_type, ams::TargetFirmware target_firmware, bool emummc_enabled) {
void ConfigureExosphere(fuse::SocType soc_type, ams::TargetFirmware target_firmware, bool emummc_enabled, u32 fs_version) {
/* Get monitor configuration. */
auto &storage_ctx = *secmon::MemoryRegionPhysicalDramMonitorConfiguration.GetPointer<secmon::SecureMonitorStorageConfiguration>();
std::memset(std::addressof(storage_ctx), 0, sizeof(storage_ctx));
@ -579,6 +580,9 @@ namespace ams::nxboot {
storage_ctx.log_port = uart::Port_ReservedDebug;
storage_ctx.log_baud_rate = 115200;
/* Set the fs version. */
storage_ctx.emummc_cfg.base_cfg.fs_version = fs_version;
/* Parse fields from exosphere.ini */
{
IniSectionList sections;
@ -749,6 +753,45 @@ namespace ams::nxboot {
hw::FlushEntireDataCache();
}
bool IsNogcEnabled(ams::TargetFirmware target_firmware) {
/* First parse from ini. */
{
IniSectionList sections;
if (ParseIniSafe(sections, "sdmc:/atmosphere/config/stratosphere.ini")) {
for (const auto &section : sections) {
/* We only care about the [stratosphere] section. */
if (std::strcmp(section.name, "stratosphere")) {
continue;
}
/* Handle individual fields. */
for (const auto &entry : section.kv_list) {
if (std::strcmp(entry.key, "nogc") == 0) {
return entry.value[0] == '1';
}
}
}
}
}
/* That failed, so try to decide automatically. */
const auto fuse_version = fuse::GetFuseVersion();
if (target_firmware >= ams::TargetFirmware_12_0_2 && fuse_version < fuse::GetExpectedFuseVersion(ams::TargetFirmware_12_0_2)) {
return true;
}
if (target_firmware >= ams::TargetFirmware_11_0_0 && fuse_version < fuse::GetExpectedFuseVersion(ams::TargetFirmware_11_0_0)) {
return true;
}
if (target_firmware >= ams::TargetFirmware_9_0_0 && fuse_version < fuse::GetExpectedFuseVersion(ams::TargetFirmware_9_0_0)) {
return true;
}
if (target_firmware >= ams::TargetFirmware_4_0_0 && fuse_version < fuse::GetExpectedFuseVersion(ams::TargetFirmware_4_0_0)) {
return true;
}
return false;
}
}
void SetupAndStartHorizon() {
@ -773,21 +816,25 @@ namespace ams::nxboot {
/* Read/decrypt package2. */
u8 * const package2 = LoadBootConfigAndPackage2();
AMS_UNUSED(package2);
/* Setup warmboot firmware. */
LoadWarmbootFirmware(soc_type, target_firmware, package1);
/* Decide whether to use nogc patches. */
const bool nogc_enabled = IsNogcEnabled(target_firmware);
/* Decide what KIPs/patches we're loading. */
const auto fs_version = ConfigureStratosphere(package2, target_firmware, emummc_enabled, nogc_enabled);
/* Setup exosphere. */
ConfigureExosphere(soc_type, target_firmware, emummc_enabled);
ConfigureExosphere(soc_type, target_firmware, emummc_enabled, fs_version);
/* Start CPU. */
/* NOTE: Security Engine unusable past this point. */
StartCpu();
WaitSecureMonitorState(pkg1::SecureMonitorState_Initialized);
/* Build modified package2. */
RebuildPackage2(target_firmware, emummc_enabled);
/* TODO: Build modified package2. */
WaitForReboot();
}

444
fusee_cpp/program/source/fusee_stratosphere.cpp Normal file
View file

@ -0,0 +1,444 @@
/*
* Copyright (c) 2018-2020 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/>.
*/
#include <exosphere.hpp>
#include "fusee_stratosphere.hpp"
#include "fusee_fatal.hpp"
#include "fusee_malloc.hpp"
#include "fusee_secondary_archive.hpp"
#include "fs/fusee_fs_api.hpp"
namespace ams::nxboot {
namespace {
struct InitialProcessBinaryHeader {
static constexpr u32 Magic = util::FourCC<'I','N','I','1'>::Code;
u32 magic;
u32 size;
u32 num_processes;
u32 reserved;
};
struct InitialProcessHeader {
static constexpr u32 Magic = util::FourCC<'K','I','P','1'>::Code;
u32 magic;
u8 name[12];
u64 program_id;
u32 version;
u8 priority;
u8 ideal_core_id;
u8 _1E;
u8 flags;
u32 rx_address;
u32 rx_size;
u32 rx_compressed_size;
u32 affinity_mask;
u32 ro_address;
u32 ro_size;
u32 ro_compressed_size;
u32 stack_size;
u32 rw_address;
u32 rw_size;
u32 rw_compressed_size;
u32 _4C;
u32 bss_address;
u32 bss_size;
u32 pad[(0x80 - 0x58) / sizeof(u32)];
u32 capabilities[0x80 / sizeof(u32)];
};
static_assert(sizeof(InitialProcessHeader) == 0x100);
struct PatchMeta {
u32 offset;
void *data;
u32 size;
};
struct alignas(0x10) InitialProcessMeta {
InitialProcessMeta *next = nullptr;
const InitialProcessHeader *kip;
u32 kip_size;
PatchMeta *patches;
u32 patch_segments;
u64 program_id;
se::Sha256Hash kip_hash;
};
static_assert(sizeof(InitialProcessMeta) == 0x40);
static_assert(alignof(InitialProcessMeta) == 0x10);
enum FsVersion {
FsVersion_1_0_0 = 0,
FsVersion_2_0_0,
FsVersion_2_0_0_Exfat,
FsVersion_2_1_0,
FsVersion_2_1_0_Exfat,
FsVersion_3_0_0,
FsVersion_3_0_0_Exfat,
FsVersion_3_0_1,
FsVersion_3_0_1_Exfat,
FsVersion_4_0_0,
FsVersion_4_0_0_Exfat,
FsVersion_4_1_0,
FsVersion_4_1_0_Exfat,
FsVersion_5_0_0,
FsVersion_5_0_0_Exfat,
FsVersion_5_1_0,
FsVersion_5_1_0_Exfat,
FsVersion_6_0_0,
FsVersion_6_0_0_Exfat,
FsVersion_7_0_0,
FsVersion_7_0_0_Exfat,
FsVersion_8_0_0,
FsVersion_8_0_0_Exfat,
FsVersion_8_1_0,
FsVersion_8_1_0_Exfat,
FsVersion_9_0_0,
FsVersion_9_0_0_Exfat,
FsVersion_9_1_0,
FsVersion_9_1_0_Exfat,
FsVersion_10_0_0,
FsVersion_10_0_0_Exfat,
FsVersion_10_2_0,
FsVersion_10_2_0_Exfat,
FsVersion_11_0_0,
FsVersion_11_0_0_Exfat,
FsVersion_12_0_0,
FsVersion_12_0_0_Exfat,
FsVersion_12_0_3,
FsVersion_12_0_3_Exfat,
FsVersion_Count,
};
constexpr const u8 FsHashes[FsVersion_Count][8] = {
{ 0xDE, 0x9F, 0xDD, 0xA4, 0x08, 0x5D, 0xD5, 0xFE }, /* FsVersion_1_0_0 */
{ 0xCD, 0x7B, 0xBE, 0x18, 0xD6, 0x13, 0x0B, 0x28 }, /* FsVersion_2_0_0 */
{ 0xE7, 0x66, 0x92, 0xDF, 0xAA, 0x04, 0x20, 0xE9 }, /* FsVersion_2_0_0_Exfat */
{ 0x0D, 0x70, 0x05, 0x62, 0x7B, 0x07, 0x76, 0x7C }, /* FsVersion_2_1_0 */
{ 0xDB, 0xD8, 0x5F, 0xCA, 0xCC, 0x19, 0x3D, 0xA8 }, /* FsVersion_2_1_0_Exfat */
{ 0xA8, 0x6D, 0xA5, 0xE8, 0x7E, 0xF1, 0x09, 0x7B }, /* FsVersion_3_0_0 */
{ 0x98, 0x1C, 0x57, 0xE7, 0xF0, 0x2F, 0x70, 0xF7 }, /* FsVersion_3_0_0_Exfat */
{ 0x57, 0x39, 0x7C, 0x06, 0x3F, 0x10, 0xB6, 0x31 }, /* FsVersion_3_0_1 */
{ 0x07, 0x30, 0x99, 0xD7, 0xC6, 0xAD, 0x7D, 0x89 }, /* FsVersion_3_0_1_Exfat */
{ 0x06, 0xE9, 0x07, 0x19, 0x59, 0x5A, 0x01, 0x0C }, /* FsVersion_4_0_0 */
{ 0x54, 0x9B, 0x0F, 0x8D, 0x6F, 0x72, 0xC4, 0xE9 }, /* FsVersion_4_0_0_Exfat */
{ 0x80, 0x96, 0xAF, 0x7C, 0x6A, 0x35, 0xAA, 0x82 }, /* FsVersion_4_1_0 */
{ 0x02, 0xD5, 0xAB, 0xAA, 0xFD, 0x20, 0xC8, 0xB0 }, /* FsVersion_4_1_0_Exfat */
{ 0xA6, 0xF2, 0x7A, 0xD9, 0xAC, 0x7C, 0x73, 0xAD }, /* FsVersion_5_0_0 */
{ 0xCE, 0x3E, 0xCB, 0xA2, 0xF2, 0xF0, 0x62, 0xF5 }, /* FsVersion_5_0_0_Exfat */
{ 0x76, 0xF8, 0x74, 0x02, 0xC9, 0x38, 0x7C, 0x0F }, /* FsVersion_5_1_0 */
{ 0x10, 0xB2, 0xD8, 0x16, 0x05, 0x48, 0x85, 0x99 }, /* FsVersion_5_1_0_Exfat */
{ 0x3A, 0x57, 0x4D, 0x43, 0x61, 0x86, 0x19, 0x1D }, /* FsVersion_6_0_0 */
{ 0x33, 0x05, 0x53, 0xF6, 0xB5, 0xFB, 0x55, 0xC4 }, /* FsVersion_6_0_0_Exfat */
{ 0x2A, 0xDB, 0xE9, 0x7E, 0x9B, 0x5F, 0x41, 0x77 }, /* FsVersion_7_0_0 */
{ 0x2C, 0xCE, 0x65, 0x9C, 0xEC, 0x53, 0x6A, 0x8E }, /* FsVersion_7_0_0_Exfat */
{ 0xB2, 0xF5, 0x17, 0x6B, 0x35, 0x48, 0x36, 0x4D }, /* FsVersion_8_0_0 */
{ 0xDB, 0xD9, 0x41, 0xC0, 0xC5, 0x3C, 0x52, 0xCC }, /* FsVersion_8_0_0_Exfat */
{ 0x6B, 0x09, 0xB6, 0x7B, 0x29, 0xC0, 0x20, 0x24 }, /* FsVersion_8_1_0 */
{ 0xB4, 0xCA, 0xE1, 0xF2, 0x49, 0x65, 0xD9, 0x2E }, /* FsVersion_8_1_0_Exfat */
{ 0x46, 0x87, 0x40, 0x76, 0x1E, 0x19, 0x3E, 0xB7 }, /* FsVersion_9_0_0 */
{ 0x7C, 0x95, 0x13, 0x76, 0xE5, 0xC1, 0x2D, 0xF8 }, /* FsVersion_9_0_0_Exfat */
{ 0xB5, 0xE7, 0xA6, 0x4C, 0x6F, 0x5C, 0x4F, 0xE3 }, /* FsVersion_9_1_0 */
{ 0xF1, 0x96, 0xD1, 0x44, 0xD0, 0x44, 0x45, 0xB6 }, /* FsVersion_9_1_0_Exfat */
{ 0x3E, 0xEB, 0xD9, 0xB7, 0xBC, 0xD1, 0xB5, 0xE0 }, /* FsVersion_10_0_0 */
{ 0x81, 0x7E, 0xA2, 0xB0, 0xB7, 0x02, 0xC1, 0xF3 }, /* FsVersion_10_0_0_Exfat */
{ 0xA9, 0x52, 0xB6, 0x57, 0xAD, 0xF9, 0xC2, 0xBA }, /* FsVersion_10_2_0 */
{ 0x16, 0x0D, 0x3E, 0x10, 0x4E, 0xAD, 0x61, 0x76 }, /* FsVersion_10_2_0_Exfat */
{ 0xE3, 0x99, 0x15, 0x6E, 0x84, 0x4E, 0xB0, 0xAA }, /* FsVersion_11_0_0 */
{ 0x0B, 0xA1, 0x5B, 0xB3, 0x04, 0xB5, 0x05, 0x63 }, /* FsVersion_11_0_0_Exfat */
{ 0xDC, 0x2A, 0x08, 0x49, 0x96, 0xBB, 0x3C, 0x01 }, /* FsVersion_12_0_0 */
{ 0xD5, 0xA5, 0xBF, 0x36, 0x64, 0x0C, 0x49, 0xEA }, /* FsVersion_12_0_0_Exfat */
{ 0xC8, 0x67, 0x62, 0xBE, 0x19, 0xA5, 0x1F, 0xA0 }, /* FsVersion_12_0_3 */
{ 0xE1, 0xE8, 0xD3, 0xD6, 0xA2, 0xFE, 0x0B, 0x10 }, /* FsVersion_12_0_3_Exfat */
};
const InitialProcessBinaryHeader *FindInitialProcessBinary(const pkg2::Package2Header *header, const u8 *data, ams::TargetFirmware target_firmware) {
if (target_firmware >= ams::TargetFirmware_8_0_0) {
/* Try to find initial process binary. */
const u32 *data_32 = reinterpret_cast<const u32 *>(data);
for (size_t i = 0; i < 0x1000 / sizeof(u32); ++i) {
if (data_32[i] == 0 && data_32[i + 8] <= header->meta.payload_sizes[0] && std::memcmp(data + data_32[i + 8], "INI1", 4) == 0) {
return reinterpret_cast<const InitialProcessBinaryHeader *>(data + data_32[i + 8]);
}
}
return nullptr;
} else {
return reinterpret_cast<const InitialProcessBinaryHeader *>(data + header->meta.payload_sizes[0]);
}
}
constexpr size_t GetInitialProcessSize(const InitialProcessHeader *kip) {
return sizeof(*kip) + kip->rx_compressed_size + kip->ro_compressed_size + kip->rw_compressed_size;
}
const InitialProcessHeader *FindInitialProcessInBinary(const InitialProcessBinaryHeader *ini, u64 program_id) {
const u8 *data = reinterpret_cast<const u8 *>(ini + 1);
for (u32 i = 0; i < ini->num_processes; ++i) {
const InitialProcessHeader *kip = reinterpret_cast<const InitialProcessHeader *>(data);
if (kip->magic != InitialProcessHeader::Magic) {
return nullptr;
}
if (kip->program_id == program_id) {
return kip;
}
data += GetInitialProcessSize(kip);
}
return nullptr;
}
FsVersion GetFsVersion(const se::Sha256Hash &fs_hash) {
for (size_t i = 0; i < util::size(FsHashes); ++i) {
if (std::memcmp(fs_hash.bytes, FsHashes[i], sizeof(FsHashes[i])) == 0) {
return static_cast<FsVersion>(i);
}
}
return FsVersion_Count;
}
constinit InitialProcessMeta g_initial_process_meta = {};
constinit size_t g_initial_process_binary_size = 0;
void AddInitialProcessImpl(InitialProcessMeta *meta, const InitialProcessHeader *kip, const se::Sha256Hash *hash) {
/* Set the meta's fields. */
meta->next = nullptr;
meta->program_id = kip->program_id;
meta->kip = kip;
meta->kip_size = GetInitialProcessSize(kip);
/* Copy or calculate hash. */
if (hash != nullptr) {
std::memcpy(std::addressof(meta->kip_hash), hash, sizeof(meta->kip_hash));
} else {
se::CalculateSha256(std::addressof(meta->kip_hash), kip, meta->kip_size);
}
/* Clear patches. */
meta->patches = nullptr;
meta->patch_segments = 0;
/* Increase the initial process binary's size. */
g_initial_process_binary_size += meta->kip_size;
}
bool AddInitialProcess(const InitialProcessHeader *kip, const se::Sha256Hash *hash = nullptr) {
/* Handle the initial case. */
if (g_initial_process_binary_size == 0) {
AddInitialProcessImpl(std::addressof(g_initial_process_meta), kip, hash);
return true;
}
/* Check if we've already added the program id. */
InitialProcessMeta *cur = std::addressof(g_initial_process_meta);
while (true) {
if (cur->program_id == kip->program_id) {
return false;
}
if (cur->next != nullptr) {
cur = cur->next;
} else {
break;
}
}
/* Allocate an initial process meta. */
auto *new_meta = static_cast<InitialProcessMeta *>(AllocateAligned(sizeof(InitialProcessMeta), alignof(InitialProcessMeta)));
/* Insert the new meta. */
cur->next = new_meta;
AddInitialProcessImpl(new_meta, kip, hash);
return true;
}
const InitialProcessMeta *FindInitialProcess(u64 program_id) {
for (const InitialProcessMeta *cur = std::addressof(g_initial_process_meta); cur != nullptr; cur = cur->next) {
if (cur->program_id == program_id) {
return cur;
}
}
return nullptr;
}
}
u32 ConfigureStratosphere(const u8 *nn_package2, ams::TargetFirmware target_firmware, bool emummc_enabled, bool nogc_enabled) {
/* Load KIPs off the SD card. */
{
/* Create kip dir path. */
char kip_path[0x120];
std::memcpy(kip_path, "sdmc:/atmosphere/kips", 0x16);
fs::DirectoryHandle kip_dir;
if (R_SUCCEEDED(fs::OpenDirectory(std::addressof(kip_dir), kip_path))) {
ON_SCOPE_EXIT { fs::CloseDirectory(kip_dir); };
s64 count;
fs::DirectoryEntry entries[1];
while (R_SUCCEEDED(fs::ReadDirectory(std::addressof(count), entries, kip_dir, util::size(entries))) && count > 0) {
/* Get filename length. */
const int name_len = std::strlen(entries[0].file_name);
/* Adjust kip path. */
kip_path[0x15] = '/';
std::memcpy(kip_path + 0x16, entries[0].file_name, name_len + 1);
/* Check that file is ".kip" or ".kip1" file. */
const int path_len = 0x16 + name_len;
if (std::memcmp(kip_path + path_len - 4, ".kip", 5) != 0 && std::memcmp(kip_path + path_len - 5, ".kip1", 6) != 0) {
continue;
}
/* Check that file is a file. */
if (fs::GetEntryType(entries[0]) != fs::DirectoryEntryType_File) {
continue;
}
/* Open the kip. */
fs::FileHandle kip_file;
if (R_SUCCEEDED(fs::OpenFile(std::addressof(kip_file), kip_path, fs::OpenMode_Read))) {
ON_SCOPE_EXIT { fs::CloseFile(kip_file); };
Result result;
/* Get the kip size. */
s64 file_size;
if (R_FAILED((result = fs::GetFileSize(std::addressof(file_size), kip_file)))) {
ShowFatalError("Failed to get size (0x%08" PRIx32 ") of %s!\n", result.GetValue(), kip_path);
}
/* Allocate kip. */
InitialProcessHeader *kip = static_cast<InitialProcessHeader *>(AllocateAligned(file_size, alignof(InitialProcessHeader)));
/* Read the kip. */
if (R_FAILED((result = fs::ReadFile(kip_file, 0, kip, file_size)))) {
ShowFatalError("Failed to read (0x%08" PRIx32 ") %s!\n", result.GetValue(), kip_path);
}
/* If the kip is valid, add it. */
if (kip->magic == InitialProcessHeader::Magic && file_size == GetInitialProcessSize(kip)) {
AddInitialProcess(kip);
}
}
}
}
}
/* Add the stratosphere kips. */
{
const auto &secondary_archive = GetSecondaryArchive();
for (u32 i = 0; i < secondary_archive.header.num_kips; ++i) {
const auto &meta = secondary_archive.header.kip_metas[i];
AddInitialProcess(reinterpret_cast<const InitialProcessHeader *>(secondary_archive.kips + meta.offset), std::addressof(meta.hash));
}
}
/* Get meta for FS process. */
constexpr u64 FsProgramId = 0x0100000000000000;
const auto *fs_meta = FindInitialProcess(FsProgramId);
if (fs_meta == nullptr) {
/* Get nintendo header/data. */
const pkg2::Package2Header *nn_header = reinterpret_cast<const pkg2::Package2Header *>(nn_package2);
const u8 *nn_data = nn_package2 + sizeof(*nn_header);
/* Get Nintendo INI1. */
const InitialProcessBinaryHeader *nn_ini = FindInitialProcessBinary(nn_header, nn_data, target_firmware);
if (nn_ini == nullptr || nn_ini->magic != InitialProcessBinaryHeader::Magic) {
ShowFatalError("Failed to find INI1!\n");
}
/* Find FS KIP. */
const InitialProcessHeader *nn_fs_kip = FindInitialProcessInBinary(nn_ini, FsProgramId);
if (nn_fs_kip == nullptr) {
ShowFatalError("Failed to find FS!\n");
}
/* Add to binary. */
AddInitialProcess(nn_fs_kip);
/* 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 */
}
}

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fusee_cpp/program/source/fusee_stratosphere.hpp Normal file
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/*
* Copyright (c) 2018-2020 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/>.
*/
#include <vapours.hpp>
#pragma once
namespace ams::nxboot {
u32 ConfigureStratosphere(const u8 *nn_package2, ams::TargetFirmware target_firmware, bool emummc_enabled, bool nogc_enabled);
void RebuildPackage2(ams::TargetFirmware target_firmware, bool emummc_enabled);
}