From feabc807177d71086dd49b1811b1656849f18975 Mon Sep 17 00:00:00 2001
From: Dandan Zhang <zhangdandan@loongson.cn>
Date: Thu, 28 Dec 2023 03:18:26 +0000
Subject: [PATCH] nall: add support for LoongArch architecture

---
 nall/GNUmakefile                    |  2 ++
 nall/intrinsics.hpp                 | 21 +++++++++++++++++++++
 nall/recompiler/generic/generic.hpp |  2 +-
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/nall/GNUmakefile b/nall/GNUmakefile
index 25b7159853..2eee27b3a7 100644
--- a/nall/GNUmakefile
+++ b/nall/GNUmakefile
@@ -99,6 +99,8 @@ else
     machine := arm64
   else ifneq ($(filter arm-% armv7-%,$(machine_str)),)
     machine := arm32
+  else ifneq ($(filter loong64-% loongarch64-%,$(machine_str)),)
+  machine := loong64
   else ifneq ($(filter powerpc64-% powerpc64le-%,$(machine_str)),)
     machine := ppc64
   else ifneq ($(filter riscv64-%,$(machine_str)),)
diff --git a/nall/intrinsics.hpp b/nall/intrinsics.hpp
index 370151d3c2..d300f14537 100644
--- a/nall/intrinsics.hpp
+++ b/nall/intrinsics.hpp
@@ -190,6 +190,7 @@ namespace nall {
     static constexpr bool amd64 = 0;
     static constexpr bool arm64 = 0;
     static constexpr bool arm32 = 0;
+    static constexpr bool loong64 = 0;
     static constexpr bool ppc64 = 0;
     static constexpr bool ppc32 = 0;
     static constexpr bool rv64  = 0;
@@ -205,6 +206,7 @@ namespace nall {
     static constexpr bool amd64 = 1;
     static constexpr bool arm64 = 0;
     static constexpr bool arm32 = 0;
+    static constexpr bool loong64 = 0;
     static constexpr bool ppc64 = 0;
     static constexpr bool ppc32 = 0;
     static constexpr bool rv64  = 0;
@@ -220,6 +222,7 @@ namespace nall {
     static constexpr bool amd64 = 0;
     static constexpr bool arm64 = 1;
     static constexpr bool arm32 = 0;
+    static constexpr bool loong64 = 0;
     static constexpr bool ppc64 = 0;
     static constexpr bool ppc32 = 0;
     static constexpr bool rv64  = 0;
@@ -232,6 +235,20 @@ namespace nall {
     static constexpr bool amd64 = 0;
     static constexpr bool arm64 = 0;
     static constexpr bool arm32 = 1;
+    static constexpr bool loong64 = 0;
+    static constexpr bool ppc64 = 0;
+    static constexpr bool ppc32 = 0;
+    static constexpr bool rv64  = 0;
+    static constexpr bool rv32  = 0;
+  };
+#elif defined(__loongarch64)
+  #define ARCHITECTURE_LOONG64
+  struct Architecture {
+    static constexpr bool x86   = 0;
+    static constexpr bool amd64 = 0;
+    static constexpr bool arm64 = 0;
+    static constexpr bool arm32 = 0;
+    static constexpr bool loong64 = 1;
     static constexpr bool ppc64 = 0;
     static constexpr bool ppc32 = 0;
     static constexpr bool rv64  = 0;
@@ -244,6 +261,7 @@ namespace nall {
     static constexpr bool amd64 = 0;
     static constexpr bool arm64 = 0;
     static constexpr bool arm32 = 0;
+    static constexpr bool loong64 = 0;
     static constexpr bool ppc64 = 1;
     static constexpr bool ppc32 = 0;
     static constexpr bool rv64  = 0;
@@ -256,6 +274,7 @@ namespace nall {
     static constexpr bool amd64 = 0;
     static constexpr bool arm64 = 0;
     static constexpr bool arm32 = 0;
+    static constexpr bool loong64 = 0;
     static constexpr bool ppc64 = 0;
     static constexpr bool ppc32 = 1;
     static constexpr bool rv64  = 0;
@@ -268,6 +287,7 @@ namespace nall {
     static constexpr bool amd64 = 0;
     static constexpr bool arm64 = 0;
     static constexpr bool arm32 = 0;
+    static constexpr bool loong64 = 0;
     static constexpr bool ppc64 = 0;
     static constexpr bool ppc32 = 0;
     static constexpr bool rv64  = 1;
@@ -280,6 +300,7 @@ namespace nall {
     static constexpr bool amd64 = 0;
     static constexpr bool arm64 = 0;
     static constexpr bool arm32 = 0;
+    static constexpr bool loong64 = 0;
     static constexpr bool ppc64 = 0;
     static constexpr bool ppc32 = 0;
     static constexpr bool rv64  = 0;
diff --git a/nall/recompiler/generic/generic.hpp b/nall/recompiler/generic/generic.hpp
index dd102be37e..6bee885236 100644
--- a/nall/recompiler/generic/generic.hpp
+++ b/nall/recompiler/generic/generic.hpp
@@ -3,7 +3,7 @@
 #if defined(SLJIT)
 namespace nall::recompiler {
   struct generic {
-    static constexpr bool supported = Architecture::amd64 | Architecture::arm64 | Architecture::ppc64 | Architecture::rv64;
+    static constexpr bool supported = Architecture::amd64 | Architecture::arm64 | Architecture::loong64 | Architecture::ppc64 | Architecture::rv64;
 
     bump_allocator& allocator;
     sljit_compiler* compiler = nullptr;