Land #1146 - Basic longarch64 support

13 files changed, 239 insertions, 10 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 437570b..3673922 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -389,6 +389,8 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64|amd64|AMD64)")
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "(i[3-6]86|[xX]86)")
         set(ENABLE_ASM false)
         set(HOST_I386 true)
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "loongarch64")
+        set(HOST_LOONGARCH64 true)
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "mips64")
         set(HOST_MIPS64 true)
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "mips")
diff --git a/configure.ac b/configure.ac
index 864a4ad..7a88f27 100644
--- a/configure.ac
+++ b/configure.ac
@@ -86,16 +86,17 @@ AS_CASE([$host_cpu],
 )
 AM_CONDITIONAL([HOST_CPU_IS_INTEL], [test "x$HOSTARCH" = "xintel"])
 
-AM_CONDITIONAL([HOST_AARCH64],   [test "$host_cpu" = "aarch64"])
-AM_CONDITIONAL([HOST_ARM],       [test "$host_cpu" = "arm"])
-AM_CONDITIONAL([HOST_I386],      [test "$host_cpu" = "i386"])
-AM_CONDITIONAL([HOST_MIPS],      [test "$host_cpu" = "mips"])
-AM_CONDITIONAL([HOST_MIPS64],    [test "$host_cpu" = "mips64"])
-AM_CONDITIONAL([HOST_POWERPC],   [test "$host_cpu" = "powerpc"])
-AM_CONDITIONAL([HOST_POWERPC64], [test "$host_cpu" = "ppc64"])
-AM_CONDITIONAL([HOST_RISCV64],   [test "$host_cpu" = "riscv64"])
-AM_CONDITIONAL([HOST_SPARC64],   [test "$host_cpu" = "sparc64"])
-AM_CONDITIONAL([HOST_X86_64],    [test "$host_cpu" = "x86_64"])
+AM_CONDITIONAL([HOST_AARCH64],      [test "$host_cpu" = "aarch64"])
+AM_CONDITIONAL([HOST_ARM],          [test "$host_cpu" = "arm"])
+AM_CONDITIONAL([HOST_I386],         [test "$host_cpu" = "i386"])
+AM_CONDITIONAL([HOST_LOONGARCH64],  [test "$host_cpu" = "loongarch64"])
+AM_CONDITIONAL([HOST_MIPS],         [test "$host_cpu" = "mips"])
+AM_CONDITIONAL([HOST_MIPS64],       [test "$host_cpu" = "mips64"])
+AM_CONDITIONAL([HOST_POWERPC],      [test "$host_cpu" = "powerpc"])
+AM_CONDITIONAL([HOST_POWERPC64],    [test "$host_cpu" = "ppc64"])
+AM_CONDITIONAL([HOST_RISCV64],      [test "$host_cpu" = "riscv64"])
+AM_CONDITIONAL([HOST_SPARC64],      [test "$host_cpu" = "sparc64"])
+AM_CONDITIONAL([HOST_X86_64],       [test "$host_cpu" = "x86_64"])
 
 AC_MSG_CHECKING([if .gnu.warning accepts long strings])
 AC_LINK_IFELSE([AC_LANG_SOURCE([[
diff --git a/crypto/CMakeLists.txt b/crypto/CMakeLists.txt
index e642b01..a714059 100644
--- a/crypto/CMakeLists.txt
+++ b/crypto/CMakeLists.txt
@@ -774,6 +774,9 @@ elseif(HOST_ARM)
 elseif(HOST_I386)
         target_include_directories(crypto_obj PRIVATE arch/i386/)
         target_include_directories(crypto_obj PRIVATE bn/arch/i386/)
+elseif(HOST_LOONGARCH64)
+        target_include_directories(crypto_obj PRIVATE arch/loongarch64)
+        target_include_directories(crypto_obj PRIVATE bn/arch/loongarch64)
 elseif(HOST_MIPS64)
         target_include_directories(crypto_obj PRIVATE arch/mips64)
         target_include_directories(crypto_obj PRIVATE bn/arch/mips64)
diff --git a/crypto/Makefile.am b/crypto/Makefile.am
index 438da8b..0952494 100644
--- a/crypto/Makefile.am
+++ b/crypto/Makefile.am
@@ -396,6 +396,13 @@ endif
 noinst_HEADERS += arch/i386/crypto_arch.h
 noinst_HEADERS += bn/arch/i386/bn_arch.h
 
+if HOST_LOONGARCH64
+libcrypto_la_CPPFLAGS += -I$(top_srcdir)/crypto/arch/loongarch64/
+libcrypto_la_CPPFLAGS += -I$(top_srcdir)/crypto/bn/arch/loongarch64/
+endif
+noinst_HEADERS += arch/loongarch64/crypto_arch.h
+noinst_HEADERS += bn/arch/loongarch64/bn_arch.h
+
 # XXX - do we still need this?
 if HOST_MIPS
 libcrypto_la_CPPFLAGS += -I$(top_srcdir)/crypto/bn/arch/mips/
diff --git a/crypto/arch/loongarch64/crypto_arch.h b/crypto/arch/loongarch64/crypto_arch.h
new file mode 100644
index 0000000..a3dd98d
--- /dev/null
+++ b/crypto/arch/loongarch64/crypto_arch.h
@@ -0,0 +1,21 @@
+/*      $OpenBSD: crypto_arch.h,v 1.1 2024/08/11 13:02:39 jsing Exp $ */
+/*
+ * Copyright (c) 2024 Joel Sing <jsing@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef HEADER_CRYPTO_ARCH_H
+#define HEADER_CRYPTO_ARCH_H
+
+#endif
diff --git a/crypto/bn/arch/loongarch64/bn_arch.h b/crypto/bn/arch/loongarch64/bn_arch.h
new file mode 100644
index 0000000..672ac12
--- /dev/null
+++ b/crypto/bn/arch/loongarch64/bn_arch.h
@@ -0,0 +1,23 @@
+/*      $OpenBSD: bn_arch.h,v 1.7 2023/07/09 10:37:32 jsing Exp $ */
+/*
+ * Copyright (c) 2023 Joel Sing <jsing@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <openssl/bn.h>
+
+#ifndef HEADER_BN_ARCH_H
+#define HEADER_BN_ARCH_H
+
+#endif
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
index 59f5b62..11ab7c2 100644
--- a/include/CMakeLists.txt
+++ b/include/CMakeLists.txt
@@ -24,6 +24,8 @@ elseif(HOST_ARM)
         file(READ arch/arm/opensslconf.h OPENSSLCONF)
 elseif(HOST_I386)
         file(READ arch/i386/opensslconf.h OPENSSLCONF)
+elseif(HOST_LOONGARCH64)
+        file(READ arch/loongarch64/opensslconf.h OPENSSLCONF)
 elseif(HOST_MIPS)
         file(READ arch/mips/opensslconf.h OPENSSLCONF)
 elseif(HOST_MIPS64)
diff --git a/include/arch/loongarch64/opensslconf.h b/include/arch/loongarch64/opensslconf.h
new file mode 100644
index 0000000..731b06a
--- /dev/null
+++ b/include/arch/loongarch64/opensslconf.h
@@ -0,0 +1,154 @@
+#include <openssl/opensslfeatures.h>
+/* crypto/opensslconf.h.in */
+
+#if defined(HEADER_CRYPTO_LOCAL_H) && !defined(OPENSSLDIR)
+#define OPENSSLDIR "/etc/ssl"
+#endif
+
+#undef OPENSSL_EXPORT_VAR_AS_FUNCTION
+
+#ifndef OPENSSL_FILE
+#ifdef OPENSSL_NO_FILENAMES
+#define OPENSSL_FILE ""
+#define OPENSSL_LINE 0
+#else
+#define OPENSSL_FILE __FILE__
+#define OPENSSL_LINE __LINE__
+#endif
+#endif
+
+#if defined(HEADER_IDEA_H) && !defined(IDEA_INT)
+#define IDEA_INT unsigned int
+#endif
+
+#if defined(HEADER_MD2_H) && !defined(MD2_INT)
+#define MD2_INT unsigned int
+#endif
+
+#if defined(HEADER_RC2_H) && !defined(RC2_INT)
+/* I need to put in a mod for the alpha - eay */
+#define RC2_INT unsigned int
+#endif
+
+#if defined(HEADER_RC4_H)
+#if !defined(RC4_INT)
+/* using int types make the structure larger but make the code faster
+ * on most boxes I have tested - up to %20 faster. */
+/*
+ * I don't know what does "most" mean, but declaring "int" is a must on:
+ * - Intel P6 because partial register stalls are very expensive;
+ * - elder Alpha because it lacks byte load/store instructions;
+ */
+#define RC4_INT unsigned int
+#endif
+#if !defined(RC4_CHUNK)
+/*
+ * This enables code handling data aligned at natural CPU word
+ * boundary. See crypto/rc4/rc4_enc.c for further details.
+ */
+#define RC4_CHUNK unsigned long
+#endif
+#endif
+
+#if (defined(HEADER_NEW_DES_H) || defined(HEADER_DES_H)) && !defined(DES_LONG)
+/* If this is set to 'unsigned int' on a DEC Alpha, this gives about a
+ * %20 speed up (longs are 8 bytes, int's are 4). */
+#ifndef DES_LONG
+#define DES_LONG unsigned int
+#endif
+#endif
+
+#if defined(HEADER_BN_H) && !defined(CONFIG_HEADER_BN_H)
+#define CONFIG_HEADER_BN_H
+#undef BN_LLONG
+
+/* Should we define BN_DIV2W here? */
+
+/* Only one for the following should be defined */
+/* The prime number generation stuff may not work when
+ * EIGHT_BIT but I don't care since I've only used this mode
+ * for debugging the bignum libraries */
+#define SIXTY_FOUR_BIT_LONG
+#undef SIXTY_FOUR_BIT
+#undef THIRTY_TWO_BIT
+#undef SIXTEEN_BIT
+#undef EIGHT_BIT
+#endif
+
+#if defined(HEADER_BF_LOCL_H) && !defined(CONFIG_HEADER_BF_LOCL_H)
+#define CONFIG_HEADER_BF_LOCL_H
+#undef BF_PTR
+#endif /* HEADER_BF_LOCL_H */
+
+#if defined(HEADER_DES_LOCL_H) && !defined(CONFIG_HEADER_DES_LOCL_H)
+#define CONFIG_HEADER_DES_LOCL_H
+#ifndef DES_DEFAULT_OPTIONS
+/* the following is tweaked from a config script, that is why it is a
+ * protected undef/define */
+#ifndef DES_PTR
+#undef DES_PTR
+#endif
+
+/* This helps C compiler generate the correct code for multiple functional
+ * units.  It reduces register dependencies at the expense of 2 more
+ * registers */
+#ifndef DES_RISC1
+#undef DES_RISC1
+#endif
+
+#ifndef DES_RISC2
+#undef DES_RISC2
+#endif
+
+#if defined(DES_RISC1) && defined(DES_RISC2)
+YOU SHOULD NOT HAVE BOTH DES_RISC1 AND DES_RISC2 DEFINED!!!!!
+#endif
+
+/* Unroll the inner loop, this sometimes helps, sometimes hinders.
+ * Very much CPU dependent */
+#ifndef DES_UNROLL
+#define DES_UNROLL
+#endif
+
+/* These default values were supplied by
+ * Peter Gutman <pgut001@cs.auckland.ac.nz>
+ * They are only used if nothing else has been defined */
+#if !defined(DES_PTR) && !defined(DES_RISC1) && !defined(DES_RISC2) && !defined(DES_UNROLL)
+/* Special defines which change the way the code is built depending on the
+   CPU and OS.  For SGI machines you can use _MIPS_SZLONG (32 or 64) to find
+   even newer MIPS CPU's, but at the moment one size fits all for
+   optimization options.  Older Sparc's work better with only UNROLL, but
+   there's no way to tell at compile time what it is you're running on */
+ 
+#if defined( sun )              /* Newer Sparc's */
+#  define DES_PTR
+#  define DES_RISC1
+#  define DES_UNROLL
+#elif defined( __ultrix )       /* Older MIPS */
+#  define DES_PTR
+#  define DES_RISC2
+#  define DES_UNROLL
+#elif defined( __osf1__ )       /* Alpha */
+#  define DES_PTR
+#  define DES_RISC2
+#elif defined ( _AIX )          /* RS6000 */
+  /* Unknown */
+#elif defined( __hpux )         /* HP-PA */
+  /* Unknown */
+#elif defined( __aux )          /* 68K */
+  /* Unknown */
+#elif defined( __dgux )         /* 88K (but P6 in latest boxes) */
+#  define DES_UNROLL
+#elif defined( __sgi )          /* Newer MIPS */
+#  define DES_PTR
+#  define DES_RISC2
+#  define DES_UNROLL
+#elif defined(i386) || defined(__i386__)        /* x86 boxes, should be gcc */
+#  define DES_PTR
+#  define DES_RISC1
+#  define DES_UNROLL
+#endif /* Systems-specific speed defines */
+#endif
+
+#endif /* DES_DEFAULT_OPTIONS */
+#endif /* HEADER_DES_LOCL_H */
diff --git a/include/openssl/Makefile.am.tpl b/include/openssl/Makefile.am.tpl
index 303d0b9..4bbbd60 100644
--- a/include/openssl/Makefile.am.tpl
+++ b/include/openssl/Makefile.am.tpl
@@ -17,6 +17,9 @@ endif
 if HOST_I386
         -cp $(top_srcdir)/include/arch/i386/opensslconf.h opensslconf.h
 endif
+if HOST_LOONGARCH64
+        -cp $(top_srcdir)/include/arch/loongarch64/opensslconf.h opensslconf.h
+endif
 if HOST_MIPS
         -cp $(top_srcdir)/include/arch/mips/opensslconf.h opensslconf.h
 endif
diff --git a/ssl/CMakeLists.txt b/ssl/CMakeLists.txt
index bdcfbb2..5baa5bc 100644
--- a/ssl/CMakeLists.txt
+++ b/ssl/CMakeLists.txt
@@ -117,6 +117,8 @@ elseif(HOST_ARM)
         target_include_directories(ssl_obj PRIVATE ../crypto/arch/arm/)
 elseif(HOST_I386)
         target_include_directories(ssl_obj PRIVATE ../crypto/arch/i386/)
+elseif(HOST_LOONGARCH64)
+        target_include_directories(ssl_obj PRIVATE ../crypto/arch/loongarch64)
 elseif(HOST_MIPS64)
         target_include_directories(ssl_obj PRIVATE ../crypto/arch/mips64)
 elseif(HOST_MIPS)
diff --git a/ssl/Makefile.am b/ssl/Makefile.am
index f9a66a3..8beb65a 100644
--- a/ssl/Makefile.am
+++ b/ssl/Makefile.am
@@ -131,6 +131,11 @@ libssl_la_CPPFLAGS += -I$(top_srcdir)/crypto/arch/i386/
 endif
 noinst_HEADERS += $(top_srcdir)/crypto/arch/i386/crypto_arch.h
 
+if HOST_LOONGARCH64
+libssl_la_CPPFLAGS += -I$(top_srcdir)/crypto/arch/loongarch64/
+endif
+noinst_HEADERS += $(top_srcdir)/crypto/arch/loongarch64/crypto_arch.h
+
 # XXX - do we still need this?
 if HOST_MIPS
 endif
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 8d6fa9d..f38486c 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -30,6 +30,8 @@ elseif(HOST_I386)
         include_directories(../crypto/arch/i386/)
 elseif(HOST_MIPS64)
         include_directories(../crypto/arch/mips64)
+elseif(HOST_LOONGARCH64)
+        include_directories(../crypto/arch/loongarch64)
 elseif(HOST_MIPS)
         # XXX - can this go away? the directory doesn't exist...
 elseif(HOST_POWERPC)
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 8153fc9..217f445 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -36,6 +36,10 @@ if HOST_I386
 AM_CPPFLAGS += -I$(top_srcdir)/crypto/arch/i386/
 endif
 
+if HOST_LOONGARCH64
+AM_CPPFLAGS += -I$(top_srcdir)/crypto/arch/loongarch64/
+endif
+
 # XXX - do we still need this?
 if HOST_MIPS
 endif