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fusee_cpp: implement exosphere load/configuration

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This commit is contained in:
Michael Scire 2021-09-01 14:05:39 -07:00 committed by SciresM
parent 1dd0297db3
commit e0a41e9d33
8 changed files with 236 additions and 13 deletions
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4
fusee_cpp/program/source/fusee_display.cpp
View file

@ -582,6 +582,10 @@ namespace ams::nxboot {
}
}
u16 GetDisplayLcdVendor() {
return g_lcd_vendor;
}
void ShowFatalError(const ams::impl::FatalErrorContext *f_ctx, const Result save_result) {
/* If needed, initialize the display. */
if (!IsDisplayInitialized()) {

2
fusee_cpp/program/source/fusee_display.hpp
View file

@ -26,6 +26,8 @@ namespace ams::nxboot {
void InitializeDisplay();
void FinalizeDisplay();
u16 GetDisplayLcdVendor();
void ShowDisplay();
}

28
fusee_cpp/program/source/fusee_ini.cpp
View file

@ -49,7 +49,7 @@ namespace ams::nxboot {
file_size = std::min(IniFileSizeMax, file_size);
/* Allocate memory for file. */
char *buffer = static_cast<char *>(AllocateMemory(util::AlignUp(file_size + 1, 0x10)));
char *buffer = static_cast<char *>(AllocateAligned(util::AlignUp(file_size + 1, 0x10), 0x10));
buffer[file_size] = '\x00';
/* Read file. */
@ -64,6 +64,7 @@ namespace ams::nxboot {
SectionName,
Key,
KvSpace,
KvSpace2,
Value,
TrailingSpace,
};
@ -120,20 +121,33 @@ namespace ams::nxboot {
} else if (c == '=') {
buffer[i] = '\x00';
val_start = buffer + i + 1;
state = State::Value;
state = State::KvSpace2;
}
break;
case State::KvSpace:
if (c == '=') {
val_start = buffer + i + 1;
state = State::Value;
state = State::KvSpace2;
} else if (!IsWhiteSpace(c)) {
return ParseIniResult_InvalidFormat;
}
break;
case State::KvSpace2:
if (c == '\n') {
buffer[i] = '\x00';
auto *entry = AllocateObject<IniKeyValueEntry>();
entry->key = key_start;
entry->value = buffer + i;
cur_sec->kv_list.push_back(*entry);
state = State::Newline;
} else if (!IsWhiteSpace(c)) {
val_start = buffer + i;
state = State::Value;
}
break;
case State::Value:
if (IsWhiteSpace(c) || c == '\n') {
buffer[i] = '\x00';

4
fusee_cpp/program/source/fusee_secmon_sync.cpp
View file

@ -26,6 +26,10 @@ namespace ams::nxboot {
}
void InitializeSecureMonitorMailbox() {
std::memset(std::addressof(GetSecureMonitorParameters()), 0, sizeof(GetSecureMonitorParameters()));
}
void WaitSecureMonitorState(pkg1::SecureMonitorState state) {
auto &secmon_params = GetSecureMonitorParameters();

2
fusee_cpp/program/source/fusee_secmon_sync.hpp
View file

@ -18,6 +18,8 @@
namespace ams::nxboot {
void InitializeSecureMonitorMailbox();
void WaitSecureMonitorState(pkg1::SecureMonitorState state);
void SetBootloaderState(pkg1::BootloaderState state);

4
fusee_cpp/program/source/fusee_secondary_archive.hpp
View file

@ -70,8 +70,8 @@ namespace ams::nxboot {
u8 mariko_fatal[0x1C000]; /* 0x004000-0x020000 */
u8 ovl_mtc_erista[0x14000]; /* 0x020000-0x034000 */
u8 ovl_mtc_mariko[0x14000]; /* 0x034000-0x048000 */
u8 exosphere[0x10000]; /* 0x048000-0x058000 */
u8 mesosphere[0xA8000]; /* 0x058000-0x100000 */
u8 exosphere[0xE000]; /* 0x048000-0x056000 */
u8 mesosphere[0xAA000]; /* 0x056000-0x100000 */
u8 kips[3_MB]; /* 0x100000-0x400000 */
u8 splash_screen_fb[FrameBufferSize]; /* 0x400000-0x7C0000 */
};

201
fusee_cpp/program/source/fusee_setup_horizon.cpp
View file

@ -14,6 +14,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <exosphere.hpp>
#include <exosphere/secmon/secmon_monitor_context.hpp>
#include "fusee_key_derivation.hpp"
#include "fusee_secondary_archive.hpp"
#include "fusee_setup_horizon.hpp"
@ -91,6 +92,23 @@ namespace ams::nxboot {
}
}
u32 ParseDecimalInteger(const char *s) {
u32 x = 0;
while (true) {
const char c = *(s++);
if (c == '\x00') {
return x;
} else {
x *= 10;
if ('0' <= c && c <= '9') {
x += c - '0';
}
}
}
}
bool IsDirectoryExist(const char *path) {
fs::DirectoryEntryType entry_type;
bool archive;
@ -505,7 +523,7 @@ namespace ams::nxboot {
/* Allocate memory. */
warmboot_src_size = static_cast<size_t>(size);
void *tmp = AllocateMemory(warmboot_src_size);
void *tmp = AllocateAligned(warmboot_src_size, 0x10);
/* Read the file. */
if (R_FAILED(fs::ReadFile(file, 0, tmp, warmboot_src_size))) {
@ -542,6 +560,184 @@ namespace ams::nxboot {
}
}
void ConfigureExosphere(fuse::SocType soc_type, ams::TargetFirmware target_firmware, bool emummc_enabled) {
/* Get monitor configuration. */
auto &storage_ctx = *secmon::MemoryRegionPhysicalDramMonitorConfiguration.GetPointer<secmon::SecureMonitorStorageConfiguration>();
std::memset(std::addressof(storage_ctx), 0, sizeof(storage_ctx));
/* Set magic. */
storage_ctx.magic = secmon::SecureMonitorStorageConfiguration::Magic;
/* Set some defaults. */
storage_ctx.target_firmware = target_firmware;
storage_ctx.lcd_vendor = GetDisplayLcdVendor();
storage_ctx.emummc_cfg = g_emummc_cfg;
storage_ctx.flags[0] = secmon::SecureMonitorConfigurationFlag_Default;
storage_ctx.flags[1] = secmon::SecureMonitorConfigurationFlag_None;
storage_ctx.log_port = uart::Port_ReservedDebug;
storage_ctx.log_baud_rate = 115200;
/* Parse fields from exosphere.ini */
{
IniSectionList sections;
if (ParseIniSafe(sections, "sdmc:/exosphere.ini")) {
for (const auto &section : sections) {
/* We only care about the [exosphere] section. */
if (std::strcmp(section.name, "exosphere")) {
continue;
}
/* Handle individual fields. */
for (const auto &entry : section.kv_list) {
if (std::strcmp(entry.key, "debugmode") == 0) {
if (entry.value[0] == '1') {
storage_ctx.flags[0] |= secmon::SecureMonitorConfigurationFlag_IsDevelopmentFunctionEnabledForKernel;
} else {
storage_ctx.flags[0] &= ~secmon::SecureMonitorConfigurationFlag_IsDevelopmentFunctionEnabledForKernel;
}
} else if (std::strcmp(entry.key, "debugmode_user") == 0) {
if (entry.value[0] == '1') {
storage_ctx.flags[0] |= secmon::SecureMonitorConfigurationFlag_IsDevelopmentFunctionEnabledForUser;
} else {
storage_ctx.flags[0] &= ~secmon::SecureMonitorConfigurationFlag_IsDevelopmentFunctionEnabledForUser;
}
} else if (std::strcmp(entry.key, "disable_user_exception_handlers") == 0) {
if (entry.value[0] == '1') {
storage_ctx.flags[0] |= secmon::SecureMonitorConfigurationFlag_DisableUserModeExceptionHandlers;
} else {
storage_ctx.flags[0] &= ~secmon::SecureMonitorConfigurationFlag_DisableUserModeExceptionHandlers;
}
} else if (std::strcmp(entry.key, "enable_user_pmu_access") == 0) {
if (entry.value[0] == '1') {
storage_ctx.flags[0] |= secmon::SecureMonitorConfigurationFlag_EnableUserModePerformanceCounterAccess;
} else {
storage_ctx.flags[0] &= ~secmon::SecureMonitorConfigurationFlag_EnableUserModePerformanceCounterAccess;
}
} else if (std::strcmp(entry.key, "blank_prodinfo_sysmmc") == 0) {
if (entry.value[0] == '1' && !emummc_enabled) {
storage_ctx.flags[0] |= secmon::SecureMonitorConfigurationFlag_ShouldUseBlankCalibrationBinary;
} else {
storage_ctx.flags[0] &= ~secmon::SecureMonitorConfigurationFlag_ShouldUseBlankCalibrationBinary;
}
} else if (std::strcmp(entry.key, "blank_prodinfo_emummc") == 0) {
if (entry.value[0] == '1' && emummc_enabled) {
storage_ctx.flags[0] |= secmon::SecureMonitorConfigurationFlag_ShouldUseBlankCalibrationBinary;
} else {
storage_ctx.flags[0] &= ~secmon::SecureMonitorConfigurationFlag_ShouldUseBlankCalibrationBinary;
}
} else if (std::strcmp(entry.key, "allow_writing_to_cal_sysmmc") == 0) {
if (entry.value[0] == '1') {
storage_ctx.flags[0] |= secmon::SecureMonitorConfigurationFlag_AllowWritingToCalibrationBinarySysmmc;
} else {
storage_ctx.flags[0] &= ~secmon::SecureMonitorConfigurationFlag_AllowWritingToCalibrationBinarySysmmc;
}
} else if (std::strcmp(entry.key, "log_port") == 0) {
const u32 log_port = ParseDecimalInteger(entry.value);
if (0 <= log_port && log_port < 4) {
storage_ctx.log_port = log_port;
}
} else if (std::strcmp(entry.key, "log_baud_rate") == 0) {
storage_ctx.log_baud_rate = ParseDecimalInteger(entry.value);
} else if (std::strcmp(entry.key, "log_inverted") == 0) {
if (entry.value[0] == 1) {
storage_ctx.log_flags |= uart::Flag_Inverted;
}
}
}
}
}
}
/* Parse usb setting from system_settings.ini */
{
IniSectionList sections;
if (ParseIniSafe(sections, "sdmc:/atmosphere/config/system_settings.ini")) {
for (const auto &section : sections) {
/* We only care about the [usb] section. */
if (std::strcmp(section.name, "usb")) {
continue;
}
/* Handle individual fields. */
for (const auto &entry : section.kv_list) {
if (std::strcmp(entry.key, "usb30_force_enabled") == 0) {
if (std::strcmp(entry.value, "u8!0x1") == 0) {
storage_ctx.flags[0] |= secmon::SecureMonitorConfigurationFlag_ForceEnableUsb30;
}
}
}
}
}
}
/* Copy exosphere. */
void *exosphere_dst = reinterpret_cast<void *>(0x40030000);
bool use_sd_exo = false;
{
/* Try to use an sd card file, if present. */
fs::FileHandle exo_file;
if (R_SUCCEEDED(fs::OpenFile(std::addressof(exo_file), "sdmc:/atmosphere/exosphere.bin", fs::OpenMode_Read))) {
ON_SCOPE_EXIT { fs::CloseFile(exo_file); };
/* Note that we're using sd_exo. */
use_sd_exo = true;
Result result;
/* Get the size. */
s64 size;
if (R_FAILED((result = fs::GetFileSize(std::addressof(size), exo_file))) || size > sizeof(GetSecondaryArchive().exosphere)) {
ShowFatalError("Invalid SD exosphere size: 0x%08" PRIx32 ", %" PRIx64 "!\n", result.GetValue(), static_cast<u64>(size));
}
/* Read the file. */
if (R_FAILED((result = fs::ReadFile(exo_file, 0, exosphere_dst, size)))) {
ShowFatalError("Failed to read SD exosphere: 0x%08" PRIx32 "!\n", result.GetValue());
}
}
}
if (!use_sd_exo) {
std::memcpy(exosphere_dst, GetSecondaryArchive().exosphere, sizeof(GetSecondaryArchive().exosphere));
}
/* Copy mariko fatal. */
if (soc_type == fuse::SocType_Mariko) {
u8 *mariko_fatal_dst = secmon::MemoryRegionPhysicalMarikoProgramImage.GetPointer<u8>();
bool use_sd_mariko_fatal = false;
{
/* Try to use an sd card file, if present. */
fs::FileHandle mariko_program_file;
if (R_SUCCEEDED(fs::OpenFile(std::addressof(mariko_program_file), "sdmc:/atmosphere/mariko_fatal.bin", fs::OpenMode_Read))) {
ON_SCOPE_EXIT { fs::CloseFile(mariko_program_file); };
/* Note that we're using sd_exo. */
use_sd_exo = true;
Result result;
/* Get the size. */
s64 size;
if (R_FAILED((result = fs::GetFileSize(std::addressof(size), mariko_program_file))) || size > sizeof(GetSecondaryArchive().mariko_fatal)) {
ShowFatalError("Invalid SD exosphere size: 0x%08" PRIx32 ", %" PRIx64 "!\n", result.GetValue(), static_cast<u64>(size));
}
/* Read the file. */
if (R_FAILED((result = fs::ReadFile(mariko_program_file, 0, mariko_fatal_dst, size)))) {
ShowFatalError("Failed to read SD exosphere: 0x%08" PRIx32 "!\n", result.GetValue());
}
/* Clear the remainder. */
std::memset(mariko_fatal_dst + size, 0, sizeof(GetSecondaryArchive().mariko_fatal) - size);
}
}
if (!use_sd_mariko_fatal) {
std::memcpy(mariko_fatal_dst, GetSecondaryArchive().mariko_fatal, sizeof(GetSecondaryArchive().mariko_fatal));
}
}
}
}
void SetupAndStartHorizon() {
@ -571,7 +767,8 @@ namespace ams::nxboot {
/* Setup warmboot firmware. */
LoadWarmbootFirmware(soc_type, target_firmware, package1);
/* TODO: Setup exosphere. */
/* Setup exosphere. */
ConfigureExosphere(soc_type, target_firmware, emummc_enabled);
/* TODO: Start CPU. */
/* NOTE: Security Engine unusable past this point. */

4
fusee_cpp/program/split_bin.py
View file

@ -47,9 +47,9 @@ def main(argc, argv):
# Write Mariko MTC
f.write(get_overlay(data, 2))
# TODO: Write exosphere
f.write('\xCC'*0x10000)
f.write('\xCC'*0xE000)
# TODO: Write mesosphere
f.write('\xCC'*0xA8000)
f.write('\xCC'*0xAA000)
# TODO: Write kips
f.write('\xCC'*0x300000)
# Write Splash Screen