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support file based/sd partition emusd configs

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This commit is contained in:
Christoph Baumann
2025-05-20 20:38:41 +02:00
parent b543194688
commit 7584ec3060
5 changed files with 19 additions and 12 deletions
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13
exosphere/program/source/smc/secmon_smc_info.cpp
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@@ -440,7 +440,6 @@ namespace ams::secmon::smc {
const uintptr_t user_offset = user_address % 4_KB;
/* Validate arguments. */
/* 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);
@@ -489,14 +488,24 @@ namespace ams::secmon::smc {
static_assert(sizeof(cfg.base_cfg) <= InlineOutputSize);
std::memcpy(inline_output, std::addressof(cfg.base_cfg), sizeof(cfg.base_cfg));
AtmosphereUserPageMapper mapper(user_address);
SMC_R_UNLESS(mapper.Map(), InvalidArgument);
switch(cfg.base_cfg.type) {
case EmummcSdType_None:
/* Nothing to be copied if disabled */
break;
case EmummcSdType_Partition_Emmc:
case EmummcSdType_Partition_Sd:
/* Copy partition config */
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 */
case EmummcSdType_File_Emmc:
case EmummcSdType_File_Sd:
/* Copy file config */
SMC_R_UNLESS(mapper.CopyToUser(user_address, std::addressof(cfg.file_cfg), sizeof(cfg.file_cfg)), InvalidArgument);
break;
AMS_UNREACHABLE_DEFAULT_CASE();
}
}