From 34207bdf5b91373c08fbebf038b43e5b8c9ed7cf Mon Sep 17 00:00:00 2001
From: gxw <guxiwei@loongson.cn>
Date: Fri, 30 Jul 2021 18:11:12 +0800
Subject: [PATCH 1/2] Fixed typos about LOONGARCH64

---
 Makefile.system      | 2 +-
 common_loongarch64.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile.system b/Makefile.system
index 4084390db..13c946ba1 100644
--- a/Makefile.system
+++ b/Makefile.system
@@ -856,7 +856,7 @@ BINARY_DEFINED = 1
 endif
 
 ifeq ($(ARCH), loongarch64)
-ifeq ($(CORE), LOONGSONG3R5)
+ifeq ($(CORE), LOONGSON3R5)
 CCOMMON_OPT += -march=loongarch64 -mabi=lp64
 FCOMMON_OPT += -march=loongarch64 -mabi=lp64
 endif
diff --git a/common_loongarch64.h b/common_loongarch64.h
index 959e7e58a..e15539b5f 100644
--- a/common_loongarch64.h
+++ b/common_loongarch64.h
@@ -186,7 +186,7 @@ REALNAME: ;\
 
 #define BUFFER_SIZE     ( 32 << 20)
 
-#define PAGESIZE        (16UL << 1)
+#define PAGESIZE        (16UL << 10)
 #define FIXED_PAGESIZE  (16UL << 10)
 #define HUGE_PAGESIZE   ( 2 << 20)
 

From 0b8f7c8c10957aa1d7836cb8ae55337d180d5a75 Mon Sep 17 00:00:00 2001
From: gxw <guxiwei@loongson.cn>
Date: Mon, 2 Aug 2021 10:00:41 +0800
Subject: [PATCH 2/2] Add cmake support for LOONGARCH64

---
 cmake/arch.cmake          | 4 ++++
 cmake/cc.cmake            | 9 +++++++++
 cmake/fc.cmake            | 7 +++++++
 cmake/system_check.cmake  | 4 +++-
 kernel/loongarch64/KERNEL | 2 ++
 5 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/cmake/arch.cmake b/cmake/arch.cmake
index 154e59db6..57ee5a4fb 100644
--- a/cmake/arch.cmake
+++ b/cmake/arch.cmake
@@ -113,6 +113,10 @@ if (MIPS64)
   set(NO_BINARY_MODE 1)
 endif ()
 
+if (LOONGARCH64)
+  set(NO_BINARY_MODE 1)
+endif ()
+
 if (${ARCH} STREQUAL "alpha")
   set(NO_BINARY_MODE 1)
   set(BINARY_DEFINED 1)
diff --git a/cmake/cc.cmake b/cmake/cc.cmake
index ac5e455d5..1794b5e5b 100644
--- a/cmake/cc.cmake
+++ b/cmake/cc.cmake
@@ -29,6 +29,15 @@ if (${CMAKE_C_COMPILER_ID} STREQUAL "GNU" OR ${CMAKE_C_COMPILER_ID} STREQUAL "LS
       set(FCOMMON_OPT "${FCOMMON_OPT} -march=mips64")
     endif ()
 
+    if (LOONGARCH64)
+      if (BINARY64)
+        set(CCOMMON_OPT "${CCOMMON_OPT} -mabi=lp64")
+      else ()
+        set(CCOMMON_OPT "${CCOMMON_OPT} -mabi=lp32")
+      endif ()
+      set(BINARY_DEFINED 1)
+    endif ()
+
     if (CMAKE_SYSTEM_NAME STREQUAL "AIX")
       set(BINARY_DEFINED 1)
     endif ()
diff --git a/cmake/fc.cmake b/cmake/fc.cmake
index fc1f9bb22..631664569 100644
--- a/cmake/fc.cmake
+++ b/cmake/fc.cmake
@@ -61,6 +61,13 @@ if (${F_COMPILER} STREQUAL "GFORTRAN")
         set(FCOMMON_OPT "${FCOMMON_OPT} -mabi=n32")
       endif ()
     endif ()
+    if (LOONGARCH64)
+      if (BINARY64)
+        set(FCOMMON_OPT "${FCOMMON_OPT} -mabi=lp64")
+      else ()
+        set(FCOMMON_OPT "${FCOMMON_OPT} -mabi=lp32")
+      endif ()
+    endif ()
   else ()
     if (BINARY64)
       set(FCOMMON_OPT "${FCOMMON_OPT} -m64")
diff --git a/cmake/system_check.cmake b/cmake/system_check.cmake
index fdc79c8ce..8d0558c0e 100644
--- a/cmake/system_check.cmake
+++ b/cmake/system_check.cmake
@@ -38,6 +38,8 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc.*|power.*|Power.*")
   set(PPC 1)
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "mips64.*")
   set(MIPS64 1)
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "loongarch64.*")
+  set(LOONGARCH64 1)
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
   if (NOT BINARY)
     if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
@@ -95,7 +97,7 @@ else()
 endif ()
 
 if (NOT BINARY)
-  if (X86_64 OR ARM64 OR PPC OR MIPS64)
+  if (X86_64 OR ARM64 OR PPC OR MIPS64 OR LOONGARCH64)
     set(BINARY 64)
   else ()
     set(BINARY 32)
diff --git a/kernel/loongarch64/KERNEL b/kernel/loongarch64/KERNEL
index e96a90e72..1c11df9b6 100644
--- a/kernel/loongarch64/KERNEL
+++ b/kernel/loongarch64/KERNEL
@@ -234,3 +234,5 @@ endif
 ifndef ZGEMM3MKERNEL
 ZGEMM3MKERNEL    =  zgemm3m_kernel.S
 endif
+
+DSDOTKERNEL  = dot.S