diff --git a/builds/posix/prefix.linux_aarch64 b/builds/posix/prefix.linux_aarch64
new file mode 100644
index 0000000..5c9aac7
--- /dev/null
+++ b/builds/posix/prefix.linux_aarch64
@@ -0,0 +1,31 @@
+# The contents of this file are subject to the Interbase Public
+# License Version 1.0 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy
+# of the License at http://www.Inprise.com/IPL.html
+#
+# Software distributed under the License is distributed on an
+# "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
+# or implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code was created by Inprise Corporation
+# and its predecessors. Portions created by Inprise Corporation are
+# Copyright (C) Inprise Corporation.
+#
+# All Rights Reserved.
+# Contributor(s): ______________________________________.
+# Start of file prefix.linux:	$(VERSION)	$(PLATFORM)
+#
+# 2 Oct 2002, Nickolay Samofatov - Major cleanup
+
+COMMON_FLAGS=-DLINUX -DAARCH64 -pipe -MMD -fPIC -DFB_SEND_FLAGS=MSG_NOSIGNAL -fsigned-char -fmessage-length=0
+
+PROD_FLAGS=-O3 -DNDEBUG  $(COMMON_FLAGS)
+DEV_FLAGS=-ggdb -p -Wall $(COMMON_FLAGS)
+
+OS_ServerFiles=inet_server.cpp
+
+EMBED_UTIL_TARGETS=gstat gsec nbackup fb_lock_print fbguard fbsvcmgr fbtracemgr
+CLIENT_UTIL_TARGETS=gstat gsec nbackup fb_lock_print fbguard fbmgr_bin fbsvcmgr fbtracemgr
+
+Physical_IO_Module=os/posix/unix.cpp
diff --git a/configure.in b/configure.in
index afa27f5..67a6f25 100644
--- a/configure.in
+++ b/configure.in
@@ -213,6 +213,17 @@ dnl CPU_TYPE=ppc64
     STD_ICU=true
     ;;
 
+  aarch64*-*-linux*)
+    MAKEFILE_PREFIX=linux_aarch64
+    INSTALL_PREFIX=linux
+    PLATFORM=LINUX
+    AC_DEFINE(LINUX, 1, [Define this if OS is Linux])
+    EDITLINE_FLG=Y
+    SHRLIB_EXT=so
+    STD_EDITLINE=true
+    STD_ICU=true
+    ;;
+
   sparc*-*-linux* | sparc*-*-gnu* | sparc*-*-k*bsd*-gnu)
     MAKEFILE_PREFIX=linux_sparc32
     INSTALL_PREFIX=linux
diff --git a/src/jrd/common.h b/src/jrd/common.h
index fb2c57f..69e9090 100644
--- a/src/jrd/common.h
+++ b/src/jrd/common.h
@@ -192,6 +192,10 @@
 #define RISC_ALIGNMENT
 #endif /* alpha */
 
+#ifdef __aarch64__
+#define IMPLEMENTATION  isc_info_db_impl_linux_aarch64 /* 84  */
+#endif /* alpha */
+
 #endif /* LINUX */
 
 
diff --git a/src/jrd/inf_pub.h b/src/jrd/inf_pub.h
index 32ba5b3..4cab797 100644
--- a/src/jrd/inf_pub.h
+++ b/src/jrd/inf_pub.h
@@ -215,6 +215,7 @@ enum  info_db_implementations
 	isc_info_db_impl_linux_sheb = 81,
 	isc_info_db_impl_linux_hppa = 82,
 	isc_info_db_impl_linux_alpha = 83,
+	isc_info_db_impl_linux_aarch64 = 84,
 
 	isc_info_db_impl_last_value   // Leave this LAST!
 };
diff --git a/src/jrd/pag.cpp b/src/jrd/pag.cpp
index e3a75f7..5d9ba36 100644
--- a/src/jrd/pag.cpp
+++ b/src/jrd/pag.cpp
@@ -162,9 +162,10 @@ static const int CLASS_LINUX_SH = 38;		// LINUX/SH (little-endian)
 static const int CLASS_LINUX_SHEB = 39;		// LINUX/SH (big-endian)
 static const int CLASS_LINUX_HPPA = 40;		// LINUX/HPPA
 static const int CLASS_LINUX_ALPHA = 41;	// LINUX/ALPHA
+static const int CLASS_LINUX_AARCH64 = 42;	// LINUX/AARCH64
 
 static const int CLASS_MAX10 = CLASS_LINUX_AMD64;	// This should not be changed, no new ports with ODS10
-static const int CLASS_MAX = CLASS_LINUX_ALPHA;
+static const int CLASS_MAX = CLASS_LINUX_AARCH64;
 
 // ARCHITECTURE COMPATIBILITY CLASSES
 
@@ -263,7 +264,8 @@ static const ArchitectureType archMatrix[CLASS_MAX + 1] =
 	archLittleEndian, // CLASS_LINUX_SH
 	archBigEndian,    // CLASS_LINUX_SHEB
 	archBigEndian,    // CLASS_LINUX_HPPA
-	archLittleEndian  // CLASS_LINUX_ALPHA
+	archLittleEndian, // CLASS_LINUX_ALPHA
+	archLittleEndian  // CLASS_LINUX_AARCH64
 };
 
 #ifdef __sun
@@ -327,6 +329,8 @@ const SSHORT CLASS		= CLASS_LINUX_SHEB;
 const SSHORT CLASS		= CLASS_LINUX_HPPA;
 #elif defined(ALPHA)
 const SSHORT CLASS		= CLASS_LINUX_ALPHA;
+#elif defined(__aarch64__)
+const SSHORT CLASS		= CLASS_LINUX_AARCH64;
 #else
 #error no support on other hardware for Linux
 #endif
diff --git a/src/jrd/utl.cpp b/src/jrd/utl.cpp
index fabc027..d8b7ae8 100644
--- a/src/jrd/utl.cpp
+++ b/src/jrd/utl.cpp
@@ -228,6 +228,7 @@ static const TEXT* const impl_implementation[] =
 	"Firebird/linux SHEB",			// 81
 	"Firebird/linux HPPA",			// 82
 	"Firebird/linux ALPHA"			// 83
+	"Firebird/linux AArch64"		// 84
 };