1 files changed, 26 insertions, 7 deletions

diff --git a/src/core/hle/kernel/k_process.cpp b/src/core/hle/kernel/k_process.cpp
index 44c7cb22f..4a099286b 100644
--- a/src/core/hle/kernel/k_process.cpp
+++ b/src/core/hle/kernel/k_process.cpp
@@ -38,7 +38,7 @@ namespace {
  */
 void SetupMainThread(Core::System& system, KProcess& owner_process, u32 priority,
                      KProcessAddress stack_top) {
-    const KProcessAddress entry_point = owner_process.GetPageTable().GetCodeRegionStart();
+    const KProcessAddress entry_point = owner_process.GetEntryPoint();
     ASSERT(owner_process.GetResourceLimit()->Reserve(LimitableResource::ThreadCountMax, 1));
 
     KThread* thread = KThread::Create(system.Kernel());
@@ -81,7 +81,8 @@ Result KProcess::Initialize(KProcess* process, Core::System& system, std::string
     process->m_capabilities.InitializeForMetadatalessProcess();
     process->m_is_initialized = true;
 
-    std::mt19937 rng(Settings::values.rng_seed.GetValue().value_or(std::time(nullptr)));
+    std::mt19937 rng(Settings::values.rng_seed_enabled ? Settings::values.rng_seed.GetValue()
+                                                       : static_cast<u32>(std::time(nullptr)));
     std::uniform_int_distribution<u64> distribution;
     std::generate(process->m_random_entropy.begin(), process->m_random_entropy.end(),
                   [&] { return distribution(rng); });
@@ -95,6 +96,7 @@ Result KProcess::Initialize(KProcess* process, Core::System& system, std::string
     process->m_is_suspended = false;
     process->m_schedule_count = 0;
     process->m_is_handle_table_initialized = false;
+    process->m_is_hbl = false;
 
     // Open a reference to the resource limit.
     process->m_resource_limit->Open();
@@ -350,12 +352,29 @@ Result KProcess::SetActivity(ProcessActivity activity) {
     R_SUCCEED();
 }
 
-Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size) {
+Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size,
+                                  bool is_hbl) {
     m_program_id = metadata.GetTitleID();
     m_ideal_core = metadata.GetMainThreadCore();
     m_is_64bit_process = metadata.Is64BitProgram();
     m_system_resource_size = metadata.GetSystemResourceSize();
     m_image_size = code_size;
+    m_is_hbl = is_hbl;
+
+    if (metadata.GetAddressSpaceType() == FileSys::ProgramAddressSpaceType::Is39Bit) {
+        // For 39-bit processes, the ASLR region starts at 0x800'0000 and is ~512GiB large.
+        // However, some (buggy) programs/libraries like skyline incorrectly depend on the
+        // existence of ASLR pages before the entry point, so we will adjust the load address
+        // to point to about 2GiB into the ASLR region.
+        m_code_address = 0x8000'0000;
+    } else {
+        // All other processes can be mapped at the beginning of the code region.
+        if (metadata.GetAddressSpaceType() == FileSys::ProgramAddressSpaceType::Is36Bit) {
+            m_code_address = 0x800'0000;
+        } else {
+            m_code_address = 0x20'0000;
+        }
+    }
 
     KScopedResourceReservation memory_reservation(
         m_resource_limit, LimitableResource::PhysicalMemoryMax, code_size + m_system_resource_size);
@@ -367,15 +386,15 @@ Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std:
     // Initialize process address space
     if (const Result result{m_page_table.InitializeForProcess(
             metadata.GetAddressSpaceType(), false, false, false, KMemoryManager::Pool::Application,
-            0x8000000, code_size, std::addressof(m_kernel.GetAppSystemResource()), m_resource_limit,
-            m_kernel.System().ApplicationMemory())};
+            this->GetEntryPoint(), code_size, std::addressof(m_kernel.GetAppSystemResource()),
+            m_resource_limit, m_kernel.System().ApplicationMemory())};
         result.IsError()) {
         R_RETURN(result);
     }
 
     // Map process code region
-    if (const Result result{m_page_table.MapProcessCode(m_page_table.GetCodeRegionStart(),
-                                                        code_size / PageSize, KMemoryState::Code,
+    if (const Result result{m_page_table.MapProcessCode(this->GetEntryPoint(), code_size / PageSize,
+                                                        KMemoryState::Code,
                                                         KMemoryPermission::None)};
         result.IsError()) {
         R_RETURN(result);