From 88d074c0e0a27c1655362f3cd894bf436148ee83 Mon Sep 17 00:00:00 2001
From: YalingFang <fangyaling@loongson.cn>
Date: Fri, 5 Jan 2024 08:14:12 +0000
Subject: [PATCH] Add support for Loongarch

---
 CMakeLists.txt                      | 9 ++++++++-
 contrib/depends/packages/openssl.mk | 1 +
 contrib/depends/toolchain.cmake.in  | 4 ++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 99baba2ba..335391d16 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -335,6 +335,11 @@ set(RISCV   1)
 set(RISCV32 1)
 endif()
 
+if(ARCH_ID STREQUAL "loongarch64")
+set(LOONGARCH   1)
+set(LOONGARCH64 1)
+endif()
+
 if(WIN32 OR ARM OR PPC64LE OR PPC64 OR PPC)
   set(OPT_FLAGS_RELEASE "-O2")
 else()
@@ -744,7 +749,7 @@ else()
     message(STATUS "AES support explicitly disabled")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DNO_AES")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNO_AES")
-  elseif(NOT ARM AND NOT PPC64LE AND NOT PPC64 AND NOT PPC AND NOT S390X AND NOT RISCV)
+  elseif(NOT ARM AND NOT PPC64LE AND NOT PPC64 AND NOT PPC AND NOT S390X AND NOT RISCV AND NOT LOONGARCH)
     message(STATUS "AES support enabled")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maes")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes")
@@ -754,6 +759,8 @@ else()
     message(STATUS "AES support not available on s390x")
   elseif(RISCV)
     message(STATUS "AES support not available on RISC-V")
+  elseif(LOONGARCH)
+    message(STATUS "AES support not available on LOONGARCH")
   elseif(ARM6)
     message(STATUS "AES support not available on ARMv6")
   elseif(ARM7)
diff --git a/contrib/depends/packages/openssl.mk b/contrib/depends/packages/openssl.mk
index b35cf5e97..b124054d9 100644
--- a/contrib/depends/packages/openssl.mk
+++ b/contrib/depends/packages/openssl.mk
@@ -38,6 +38,7 @@ $(package)_config_opts_arm_android=--static android-arm
 $(package)_config_opts_aarch64_android=--static android-arm64
 $(package)_config_opts_aarch64_darwin=darwin64-arm64-cc
 $(package)_config_opts_riscv64_linux=linux-generic64
+$(package)_config_opts_loongarch64_linux=linux-generic64
 $(package)_config_opts_mipsel_linux=linux-generic32
 $(package)_config_opts_mips_linux=linux-generic32
 $(package)_config_opts_powerpc_linux=linux-generic32
diff --git a/contrib/depends/toolchain.cmake.in b/contrib/depends/toolchain.cmake.in
index 6fe4618ae..d8c7dc926 100644
--- a/contrib/depends/toolchain.cmake.in
+++ b/contrib/depends/toolchain.cmake.in
@@ -144,6 +144,10 @@ if(ARCHITECTURE STREQUAL "riscv64")
   set(ARCH_ID "riscv64")
   set(ARCH "rv64gc")
 endif()
+if(ARCHITECTURE STREQUAL "loongarch64")
+    set(ARCH_ID "loongarch64")
+    set(ARCH "loongarch")
+endif()
 
 if(ARCHITECTURE STREQUAL "i686")
   SET(ARCH_ID "i386")