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Add support for file/partition based emummc on emmc,

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Add support for emuSD
This commit is contained in:
Christoph Baumann
2025-05-09 12:30:41 +02:00
parent 633bb63fc2
commit 886fa9cc97
13 changed files with 346 additions and 130 deletions
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95
exosphere/program/source/smc/secmon_smc_info.cpp
View File

@@ -279,12 +279,31 @@ namespace ams::secmon::smc {
break;
case ConfigItem::ExosphereAllowCalWrites:
/* Get whether this unit should allow writing to the calibration partition. */
args.r[1] = (GetEmummcConfiguration().IsEmummcActive() || GetSecmonConfiguration().AllowWritingToCalibrationBinarySysmmc());
args.r[1] = (GetEmummcEmmcConfiguration().IsActive() || GetSecmonConfiguration().AllowWritingToCalibrationBinarySysmmc());
break;
case ConfigItem::ExosphereEmummcType:
/* Get what kind of emummc this unit has active. */
/* NOTE: This may return values other than 1 in the future. */
args.r[1] = (GetEmummcConfiguration().IsEmummcActive() ? 1 : 0);
case ConfigItem::ExosphereEmummcEmmcType:
/* Get what kind of eMMC redirection this unit has active. */
/* NOTE: Even when returning 0, the emummc driver may be used if SD is redirected */
{
auto &cfg = GetEmummcEmmcConfiguration();
if(cfg.IsActive()) {
args.r[1] = cfg.base_cfg.type;
}else{
args.r[1] = 0;
}
}
break;
case ConfigItem::ExosphereEmummcSdType:
/* Get what kind of SD redirection this unit has active. */
/* NOTE: Even when returning 0, the emummc driver may be used if eMMC is redirected */
{
auto &cfg = GetEmummcSdConfiguration();
if(cfg.IsActive()) {
args.r[1] = cfg.base_cfg.type;
}else{
args.r[1] = 0;
}
}
break;
case ConfigItem::ExospherePayloadAddress:
/* Gets the physical address of the reboot payload buffer, if one exists. */
@@ -421,49 +440,65 @@ namespace ams::secmon::smc {
const uintptr_t user_offset = user_address % 4_KB;
/* Validate arguments. */
/* NOTE: In the future, configuration for non-NAND storage may be implemented. */
SMC_R_UNLESS(mmc == EmummcMmc_Nand, NotSupported);
SMC_R_UNLESS(user_offset + 2 * sizeof(EmummcFilePath) <= 4_KB, InvalidArgument);
/* NOTE: Only eMMC and SD redirection supported. GC redirection may be supported in the future */
SMC_R_UNLESS(mmc == EmummcMmc_Nand || mmc == EmummcMmc_Sd, NotSupported);
SMC_R_UNLESS(mmc != EmummcMmc_Nand || user_offset + 2 * sizeof(EmummcFilePath) <= 4_KB, InvalidArgument);
/* Get the emummc config. */
const auto &cfg = GetEmummcConfiguration();
static_assert(sizeof(cfg.file_cfg) == sizeof(EmummcFilePath));
static_assert(sizeof(cfg.emu_dir_path) == sizeof(EmummcFilePath));
/* Clear the output. */
constexpr size_t InlineOutputSize = sizeof(args) - sizeof(args.r[0]);
u8 * const inline_output = static_cast<u8 *>(static_cast<void *>(std::addressof(args.r[1])));
std::memset(inline_output, 0, InlineOutputSize);
/* Copy out the configuration. */
{
/* Map the user output page. */
AtmosphereUserPageMapper mapper(user_address);
SMC_R_UNLESS(mapper.Map(), InvalidArgument);
if(mmc == EmummcMmc_Nand){
/* Copy emummc config for eMMC redirection */
/* Get emummc config for eMMC redirection */
const auto &cfg = GetEmummcEmmcConfiguration();
/* Copy the base configuration. */
static_assert(sizeof(cfg.base_cfg) <= InlineOutputSize);
std::memcpy(inline_output, std::addressof(cfg.base_cfg), sizeof(cfg.base_cfg));
/* Copy out type-specific data. */
switch (cfg.base_cfg.type) {
case EmummcType_None:
/* No additional configuration needs to be copied. */
AtmosphereUserPageMapper mapper(user_address);
SMC_R_UNLESS(mapper.Map(), InvalidArgument);
switch(cfg.base_cfg.type){
case EmummcEmmcType_None:
/* Nothing to copy if disabled */
break;
case EmummcType_Partition:
/* Copy the partition config. */
case EmummcEmmcType_Partition_Emmc:
case EmummcEmmcType_Partition_Sd:
/* Copy file config, if file based */
static_assert(sizeof(cfg.base_cfg) + sizeof(cfg.partition_cfg) <= InlineOutputSize);
std::memcpy(inline_output + sizeof(cfg.base_cfg), std::addressof(cfg.partition_cfg), sizeof(cfg.partition_cfg));
break;
case EmummcType_File:
/* Copy the file config. */
case EmummcEmmcType_File_Emmc:
case EmummcEmmcType_File_Sd:
/* Copy partition config, if partition based */
SMC_R_UNLESS(mapper.CopyToUser(user_address, std::addressof(cfg.file_cfg), sizeof(cfg.file_cfg)), InvalidArgument);
break;
AMS_UNREACHABLE_DEFAULT_CASE();
}
/* Copy the redirection directory path to the user page. */
SMC_R_UNLESS(mapper.CopyToUser(user_address + sizeof(EmummcFilePath), std::addressof(cfg.emu_dir_path), sizeof(cfg.emu_dir_path)), InvalidArgument);
/* Copy the redirection directory path to the user page */
SMC_R_UNLESS(mapper.CopyToUser(user_address + sizeof(cfg.file_cfg), std::addressof(cfg.emu_dir_path), sizeof(cfg.emu_dir_path)), InvalidArgument);
}else if(mmc == EmummcMmc_Sd){
/* Copy emummc config for SD redirection */
/* Get emummc config for SD redirection */
const auto &cfg = GetEmummcSdConfiguration();
static_assert(sizeof(cfg.base_cfg) <= InlineOutputSize);
std::memcpy(inline_output, std::addressof(cfg.base_cfg), sizeof(cfg.base_cfg));
switch(cfg.base_cfg.type) {
case EmummcSdType_None:
break;
case EmummcSdType_Partition_Emmc:
static_assert(sizeof(cfg.base_cfg) + sizeof(cfg.partition_cfg) <= InlineOutputSize);
std::memcpy(inline_output + sizeof(cfg.base_cfg), std::addressof(cfg.partition_cfg), sizeof(cfg.partition_cfg));
break;
/* File based and SD partition based (currently) not supported for SD redirection */
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
return SmcResult::Success;

3
exosphere/program/source/smc/secmon_smc_info.hpp
View File

@@ -47,12 +47,13 @@ namespace ams::secmon::smc {
ExosphereHasRcmBugPatch = 65004,
ExosphereBlankProdInfo = 65005,
ExosphereAllowCalWrites = 65006,
ExosphereEmummcType = 65007,
ExosphereEmummcEmmcType = 65007,
ExospherePayloadAddress = 65008,
ExosphereLogConfiguration = 65009,
ExosphereForceEnableUsb30 = 65010,
ExosphereSupportedHosVersion = 65011,
ExosphereApproximateApiVersion = 65012,
ExosphereEmummcSdType = 65013,
};
SmcResult SmcGetConfigUser(SmcArguments &args);