diff --git a/exosphere/program/source/smc/secmon_smc_info.cpp b/exosphere/program/source/smc/secmon_smc_info.cpp
index 334072f73..af030aeda 100644
--- a/exosphere/program/source/smc/secmon_smc_info.cpp
+++ b/exosphere/program/source/smc/secmon_smc_info.cpp
@@ -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();
             }
         }
diff --git a/libraries/libexosphere/include/exosphere/secmon/secmon_configuration_context.arch.arm64.hpp b/libraries/libexosphere/include/exosphere/secmon/secmon_configuration_context.arch.arm64.hpp
index 9c9ae2618..212c8cd38 100644
--- a/libraries/libexosphere/include/exosphere/secmon/secmon_configuration_context.arch.arm64.hpp
+++ b/libraries/libexosphere/include/exosphere/secmon/secmon_configuration_context.arch.arm64.hpp
@@ -20,7 +20,6 @@
 #include <exosphere/secmon/secmon_monitor_context.hpp>
 
 namespace ams::secmon {
-
     struct ConfigurationContext {
         union {
             SecureMonitorConfiguration secmon_cfg;
@@ -28,7 +27,7 @@ namespace ams::secmon {
         };
         union {
             EmummcConfiguration emummc_cfg;
-            u8 _raw_emummc_config[0x128];
+            u8 _raw_emummc_config[0x1A0];
         };
         u8 sealed_device_keys[pkg1::KeyGeneration_Max][se::AesBlockSize];
         u8 sealed_master_keys[pkg1::KeyGeneration_Max][se::AesBlockSize];
diff --git a/libraries/libexosphere/include/exosphere/secmon/secmon_emummc_context.hpp b/libraries/libexosphere/include/exosphere/secmon/secmon_emummc_context.hpp
index 784a0c007..f864cde56 100644
--- a/libraries/libexosphere/include/exosphere/secmon/secmon_emummc_context.hpp
+++ b/libraries/libexosphere/include/exosphere/secmon/secmon_emummc_context.hpp
@@ -29,10 +29,9 @@ namespace ams::secmon {
     enum EmummcSdType : u32 {
         EmummcSdType_None           = 0,
         EmummcSdType_Partition_Emmc = 3,
-        // Not (currently) supported
-        // EmummcSdType_Partition_Sd   = 1,
-        // EmummcSdType_File_Sd        = 2,
-        // EmummcSdType_File_Emmc      = 4,
+        EmummcSdType_Partition_Sd   = 1,
+        EmummcSdType_File_Sd        = 2,
+        EmummcSdType_File_Emmc      = 4,
     };
 
     enum EmummcMmc {
@@ -121,8 +120,7 @@ namespace ams::secmon {
         EmummcSdBaseConfiguration base_cfg;
         union {
             EmummcPartitionConfiguration partition_cfg;
-            /* File based currently not supported */
-            /* EmummcFileConfiguration file_cfg */
+            EmummcFileConfiguration file_cfg;
         };
 
         constexpr bool IsValid() const {
@@ -134,7 +132,7 @@ namespace ams::secmon {
         }
     };
     static_assert(util::is_pod<EmummcSdConfiguration>::value);
-    static_assert(sizeof(EmummcSdConfiguration) == 0x18);
+    static_assert(sizeof(EmummcSdConfiguration) == 0x90);
 
     struct EmummcConfiguration {
         EmummcEmmcConfiguration emmc_cfg;
diff --git a/libraries/libexosphere/include/exosphere/secmon/secmon_monitor_context.hpp b/libraries/libexosphere/include/exosphere/secmon/secmon_monitor_context.hpp
index d12c1d88f..dd1286f33 100644
--- a/libraries/libexosphere/include/exosphere/secmon/secmon_monitor_context.hpp
+++ b/libraries/libexosphere/include/exosphere/secmon/secmon_monitor_context.hpp
@@ -50,7 +50,7 @@ namespace ams::secmon {
         constexpr bool IsValid() const { return this->magic == Magic; }
     };
     static_assert(util::is_pod<SecureMonitorStorageConfiguration>::value);
-    static_assert(sizeof(SecureMonitorStorageConfiguration) == 0x148);
+    static_assert(sizeof(SecureMonitorStorageConfiguration) == 0x1C0);
 
     struct SecureMonitorConfiguration {
         ams::TargetFirmware target_firmware;
diff --git a/libraries/libvapours/source/sdmmc/impl/sdmmc_mmc_device_accessor.cpp b/libraries/libvapours/source/sdmmc/impl/sdmmc_mmc_device_accessor.cpp
index 62cce555b..506c5432d 100644
--- a/libraries/libvapours/source/sdmmc/impl/sdmmc_mmc_device_accessor.cpp
+++ b/libraries/libvapours/source/sdmmc/impl/sdmmc_mmc_device_accessor.cpp
@@ -501,6 +501,7 @@ namespace ams::sdmmc::impl {
         if (!is_read) {
             #ifdef ATMOSPHERE_IS_EXOSPHERE
             /* Allow unaligned writes */
+            /* TODO: bad */
             constexpr u32 MmcWriteSectorAlignment = 0;
             #else 
             constexpr u32 MmcWriteSectorAlignment = 16_KB / SectorSize;