From 1019bed75b89ed7e85f258bbdbe9d9d0c42c175c Mon Sep 17 00:00:00 2001
From: lizzie <lizzie@eden-emu.dev>
Date: Thu, 8 Jan 2026 22:45:20 +0000
Subject: [PATCH] fix alloc failures

---
 src/core/arm/dynarmic/arm_dynarmic_32.cpp            | 4 +++-
 src/core/arm/dynarmic/arm_dynarmic_64.cpp            | 4 +++-
 src/dynarmic/src/dynarmic/backend/x64/a32_emit_x64.h | 6 ++++++
 src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64.h | 5 +++++
 4 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
index 80e2b2dca9..054b5dacdf 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
@@ -206,7 +206,9 @@ void ArmDynarmic32::MakeJit(Common::PageTable* page_table) {
     config.enable_cycle_counting = !m_uses_wall_clock;
 
     // Code cache size
-#if defined(ARCHITECTURE_arm64) || defined(__sun__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
+#if defined(__OPENORBIS__)
+    config.code_cache_size = std::uint32_t(32_MiB);
+#elif defined(ARCHITECTURE_arm64) || defined(__sun__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
     config.code_cache_size = std::uint32_t(128_MiB);
 #else
     config.code_cache_size = std::uint32_t(512_MiB);
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
index 9662bf1712..f3de3e5765 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
@@ -258,7 +258,9 @@ void ArmDynarmic64::MakeJit(Common::PageTable* page_table, std::size_t address_s
     config.enable_cycle_counting = !m_uses_wall_clock;
 
     // Code cache size
-#if defined(ARCHITECTURE_arm64) || defined(__sun__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
+#if defined(__OPENORBIS__)
+    config.code_cache_size = std::uint32_t(32_MiB);
+#elif defined(ARCHITECTURE_arm64) || defined(__sun__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
     config.code_cache_size = std::uint32_t(128_MiB);
 #else
     config.code_cache_size = std::uint32_t(512_MiB);
diff --git a/src/dynarmic/src/dynarmic/backend/x64/a32_emit_x64.h b/src/dynarmic/src/dynarmic/backend/x64/a32_emit_x64.h
index a106bb6482..547bd3df24 100644
--- a/src/dynarmic/src/dynarmic/backend/x64/a32_emit_x64.h
+++ b/src/dynarmic/src/dynarmic/backend/x64/a32_emit_x64.h
@@ -67,8 +67,14 @@ public:
         const void* code_ptr = nullptr;
     };
     static_assert(sizeof(FastDispatchEntry) == 0x10);
+#ifdef __OPENORBIS__
+    static constexpr u64 fast_dispatch_table_mask = 0xFF0;
+    static constexpr size_t fast_dispatch_table_size = 0x100;
+#else
     static constexpr u64 fast_dispatch_table_mask = 0xFFFF0;
     static constexpr size_t fast_dispatch_table_size = 0x10000;
+#endif
+
     void ClearFastDispatchTable();
     void GenFastmemFallbacks();
     void GenTerminalHandlers();
diff --git a/src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64.h b/src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64.h
index 1310b4ad34..d78215fefa 100644
--- a/src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64.h
+++ b/src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64.h
@@ -60,8 +60,13 @@ public:
         const void* code_ptr = nullptr;
     };
     static_assert(sizeof(FastDispatchEntry) == 0x10);
+#ifdef __OPENORBIS__
+    static constexpr u64 fast_dispatch_table_mask = 0xFF0;
+    static constexpr size_t fast_dispatch_table_size = 0x100;
+#else
     static constexpr u64 fast_dispatch_table_mask = 0xFFFFF0;
     static constexpr size_t fast_dispatch_table_size = 0x100000;
+#endif
 
     void ClearFastDispatchTable();
     void GenMemory128Accessors();