kern: implement SvcSetMemoryAttribute

libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_process_page_table.hpp

@@ -44,6 +44,10 @@ namespace ams::kern::arch::arm64 {
                 return this->page_table.SetProcessMemoryPermission(addr, size, perm);
             }
 
+            Result SetMemoryAttribute(KProcessAddress addr, size_t size, u32 mask, u32 attr) {
+                return this->page_table.SetMemoryAttribute(addr, size, mask, attr);
+            }
+
             Result SetHeapSize(KProcessAddress *out, size_t size) {
                 return this->page_table.SetHeapSize(out, size);
             }

libraries/libmesosphere/include/mesosphere/kern_k_memory_block.hpp

@@ -174,6 +174,8 @@ namespace ams::kern {
         KMemoryAttribute_Uncached       = ams::svc::MemoryAttribute_Uncached,
 
         KMemoryAttribute_AnyLocked      = 0x80,
+
+        KMemoryAttribute_SetMask        = KMemoryAttribute_Uncached,
     };
 
     struct KMemoryInfo {

libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp

@@ -271,6 +271,7 @@ namespace ams::kern {
 
             Result SetMemoryPermission(KProcessAddress addr, size_t size, ams::svc::MemoryPermission perm);
             Result SetProcessMemoryPermission(KProcessAddress addr, size_t size, ams::svc::MemoryPermission perm);
+            Result SetMemoryAttribute(KProcessAddress addr, size_t size, u32 mask, u32 attr);
             Result SetHeapSize(KProcessAddress *out, size_t size);
             Result SetMaxHeapSize(size_t size);
             Result QueryInfo(KMemoryInfo *out_info, ams::svc::PageInfo *out_page_info, KProcessAddress addr) const;