Add CSKY support

Author: Dirreke

Diff for: CONTRIBUTORS.md

@@ -218,4 +218,7 @@ In chronological order:
   * [2022-08] Fix building from sources for QNX
 
 * Mark Seminatore <https://github.com/mseminatore>
-  * [2023-11-09] Improve Windows threading performance scaling
+  * [2023-11-09] Improve Windows threading performance scaling
+
+* Dirreke <https://github.com/mseminatore>
+  * [2024-01-16] Add basic support for the CSKY architecture

Diff for: Makefile.csky

@@ -0,0 +1,4 @@
+ifeq ($(CORE), CK860FV)
+CCOMMON_OPT += -march=ck860v -mcpu=ck860fv -mfdivdu -mhard-float
+FCOMMON_OPT += -march=ck860v -mcpu=ck860fv -mfdivdu -mhard-float -static
+endif

Diff for: Makefile.prebuild

@@ -55,6 +55,10 @@ ifeq ($(TARGET), C910V)
 TARGET_FLAGS = -march=rv64gcv0p7_zfh_xtheadc -mabi=lp64d
 endif
 
+ifeq ($(TARGET), CK860FV)
+TARGET_FLAGS = -march=ck860v -mcpu=ck860fv -mfdivdu -mhard-float
+endif
+
 all: getarch_2nd
 	./getarch_2nd  0 >> $(TARGET_MAKE)
 	./getarch_2nd  1 >> $(TARGET_CONF)

Diff for: Makefile.system

@@ -873,6 +873,11 @@ endif
 endif
 endif
 
+ifeq ($(ARCH), csky)
+NO_BINARY_MODE	= 1
+BINARY_DEFINED	= 1
+endif
+
 #
 #  C Compiler dependent settings
 #

Diff for: TargetList.txt

@@ -133,3 +133,7 @@ E2K
 EV4
 EV5
 EV6
+
+14.CSKY
+CSKY
+CK860FV

Diff for: c_check

@@ -91,6 +91,7 @@ case "$data" in
     *ARCH_ZARCH*) architecture=zarch ;;
     *ARCH_RISCV64*) architecture=riscv64 ;;
     *ARCH_LOONGARCH64*) architecture=loongarch64 ;;
+    *ARCH_CSKY*) architecture=csky ;;
 esac
 
 defined=0
@@ -236,6 +237,7 @@ case "$data" in
     *ARCH_ARM*) architecture=arm ;;
     *ARCH_ZARCH*) architecture=zarch ;;
     *ARCH_LOONGARCH64*) architecture=loongarch64 ;;
+    *ARCH_CSKY*) architecture=csky ;;
 esac
 
 binformat='bin32'

Diff for: c_check.pl

@@ -97,6 +97,7 @@
 $architecture = zarch        if ($data =~ /ARCH_ZARCH/);
 $architecture = riscv64      if ($data =~ /ARCH_RISCV64/);
 $architecture = loongarch64  if ($data =~ /ARCH_LOONGARCH64/);
+$architecture = csky         if ($data =~ /ARCH_CSKY/);
 
 $defined = 0;
 
@@ -156,6 +157,11 @@
     $binary = 64;
 }
 
+if ($architecture eq "csky") {
+    $defined = 1;
+    $binary = 32;
+}
+
 if ($compiler eq "PGI") {
     $compiler_name .= " -tp p7"    if ($binary eq "32");
     $compiler_name .= " -tp p7-64" if ($binary eq "64");
@@ -284,6 +290,7 @@
 $architecture = arm64        if ($data =~ /ARCH_ARM64/);
 $architecture = zarch        if ($data =~ /ARCH_ZARCH/);
 $architecture = loongarch64  if ($data =~ /ARCH_LOONGARCH64/);
+$architecture = csky         if ($data =~ /ARCH_CSKY/);
 
 $binformat    = bin32;
 $binformat    = bin64  if ($data =~ /BINARY_64/);

Diff for: common.h

@@ -482,6 +482,10 @@ please https://github.com/xianyi/OpenBLAS/issues/246
 #include "common_e2k.h"
 #endif
 
+#ifdef ARCH_CSKY
+#include "common_csky.h"
+#endif
+
 #ifndef ASSEMBLER
 #ifdef OS_WINDOWSSTORE
 typedef char env_var_t[MAX_PATH];

Diff for: common_csky.h

@@ -0,0 +1,56 @@
+/*****************************************************************************
+Copyright (c) 2011-2015, The OpenBLAS Project
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   1. Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+   2. Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the
+      distribution.
+   3. Neither the name of the OpenBLAS project nor the names of 
+      its contributors may be used to endorse or promote products 
+      derived from this software without specific prior written 
+      permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**********************************************************************************/
+
+#ifndef COMMON_CSKY
+#define COMMON_CSKY
+
+#define MB  __sync_synchronize()
+#define WMB __sync_synchronize()
+#define RMB __sync_synchronize()
+
+#define INLINE inline
+
+#ifndef ASSEMBLER
+
+
+static inline int blas_quickdivide(blasint x, blasint y){
+  return x / y;
+}
+
+#endif
+
+
+
+#define BUFFER_SIZE     ( 32 << 20)
+#define SEEK_ADDRESS
+
+#endif

Diff for: ctest.c

@@ -173,6 +173,10 @@ HAVE_C11
 ARCH_E2K
 #endif
 
+#if defined(__csky__)
+ARCH_CSKY
+#endif
+
 #if defined(__EMSCRIPTEN__)
 ARCH_RISCV64
 OS_WINDOWS

Diff for: getarch.c

@@ -150,6 +150,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 /* #define FORCE_EV4		*/
 /* #define FORCE_EV5		*/
 /* #define FORCE_EV6		*/
+/* #define FORCE_CSKY		*/
+/* #define FORCE_CK860FV		*/
 /* #define FORCE_GENERIC	*/
 
 #ifdef FORCE_P2
@@ -1692,6 +1694,33 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define CORENAME  "generic"
 #endif
 
+#ifdef FORCE_CSKY
+#define FORCE
+#define ARCHITECTURE    "CSKY"
+#define SUBARCHITECTURE "CSKY"
+#define SUBDIRNAME      "csky"
+#define ARCHCONFIG   "-DCSKY" \
+       "-DL1_DATA_SIZE=65536 -DL1_DATA_LINESIZE=32 " \
+       "-DL2_SIZE=524288 -DL2_LINESIZE=32 " \
+       "-DDTB_DEFAULT_ENTRIES=64 -DDTB_SIZE=4096 -DL2_ASSOCIATIVE=8 "
+#define LIBNAME   "csky"
+#define CORENAME  "CSKY"
+#endif
+
+#ifdef FORCE_CK860FV
+#define FORCE
+#define ARCHITECTURE    "CSKY"
+#define SUBARCHITECTURE "CK860V"
+#define SUBDIRNAME      "csky"
+#define ARCHCONFIG   "-DCK860FV " \
+       "-DL1_DATA_SIZE=65536 -DL1_DATA_LINESIZE=32 " \
+       "-DL2_SIZE=524288 -DL2_LINESIZE=32 " \
+       "-DDTB_DEFAULT_ENTRIES=64 -DDTB_SIZE=4096 -DL2_ASSOCIATIVE=8 "
+#define LIBNAME   "ck860fv"
+#define CORENAME  "CK860FV"
+#endif
+
+
 #ifndef FORCE
 
 #ifdef USER_TARGET
@@ -1766,7 +1795,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define OPENBLAS_SUPPORTED
 #endif
 
-
 #ifndef OPENBLAS_SUPPORTED
 #error "This arch/CPU is not supported by OpenBLAS."
 #endif
@@ -1831,7 +1859,7 @@ int main(int argc, char *argv[]){
 #ifdef FORCE
     printf("CORE=%s\n", CORENAME);
 #else
-#if defined(INTEL_AMD) || defined(POWER) || defined(__mips__) || defined(__arm__) || defined(__aarch64__) || defined(ZARCH) || defined(sparc) || defined(__loongarch__) || defined(__riscv) || defined(__alpha__)
+#if defined(INTEL_AMD) || defined(POWER) || defined(__mips__) || defined(__arm__) || defined(__aarch64__) || defined(ZARCH) || defined(sparc) || defined(__loongarch__) || defined(__riscv) || defined(__alpha__) || defined(__csky__)
     printf("CORE=%s\n", get_corename());
 #endif
 #endif
@@ -1979,7 +2007,7 @@ printf("ELF_VERSION=2\n");
 #ifdef FORCE
     printf("#define CHAR_CORENAME \"%s\"\n", CORENAME);
 #else
-#if defined(INTEL_AMD) || defined(POWER) || defined(__mips__) || defined(__arm__) || defined(__aarch64__) || defined(ZARCH) || defined(sparc) || defined(__loongarch__) || defined(__riscv)
+#if defined(INTEL_AMD) || defined(POWER) || defined(__mips__) || defined(__arm__) || defined(__aarch64__) || defined(ZARCH) || defined(sparc) || defined(__loongarch__) || defined(__riscv) || defined(__csky__)
     printf("#define CHAR_CORENAME \"%s\"\n", get_corename());
 #endif
 #endif

Diff for: kernel/csky/KERNEL

@@ -0,0 +1,149 @@
+SAMAXKERNEL  = ../arm/amax.c
+DAMAXKERNEL  = ../arm/amax.c
+CAMAXKERNEL  = ../arm/zamax.c
+ZAMAXKERNEL  = ../arm/zamax.c
+
+SAMINKERNEL  = ../arm/amin.c
+DAMINKERNEL  = ../arm/amin.c
+CAMINKERNEL  = ../arm/zamin.c
+ZAMINKERNEL  = ../arm/zamin.c
+
+SMAXKERNEL   = ../arm/max.c
+DMAXKERNEL   = ../arm/max.c
+
+SMINKERNEL   = ../arm/min.c
+DMINKERNEL   = ../arm/min.c
+
+ISAMAXKERNEL = ../arm/iamax.c
+IDAMAXKERNEL = ../arm/iamax.c
+ICAMAXKERNEL = ../arm/izamax.c
+IZAMAXKERNEL = ../arm/izamax.c
+
+ISAMINKERNEL = ../arm/iamin.c
+IDAMINKERNEL = ../arm/iamin.c
+ICAMINKERNEL = ../arm/izamin.c
+IZAMINKERNEL = ../arm/izamin.c
+
+ISMAXKERNEL  = ../arm/imax.c
+IDMAXKERNEL  = ../arm/imax.c
+
+ISMINKERNEL  = ../arm/imin.c
+IDMINKERNEL  = ../arm/imin.c
+
+SASUMKERNEL  = ../arm/asum.c
+DASUMKERNEL  = ../arm/asum.c
+CASUMKERNEL  = ../arm/zasum.c
+ZASUMKERNEL  = ../arm/zasum.c
+
+SSUMKERNEL  = ../arm/sum.c
+DSUMKERNEL  = ../arm/sum.c
+CSUMKERNEL  = ../arm/zsum.c
+ZSUMKERNEL  = ../arm/zsum.c
+
+SAXPYKERNEL  = ../arm/axpy.c
+DAXPYKERNEL  = ../arm/axpy.c
+CAXPYKERNEL  = ../arm/zaxpy.c
+ZAXPYKERNEL  = ../arm/zaxpy.c
+
+SCOPYKERNEL  = ../arm/copy.c
+DCOPYKERNEL  = ../arm/copy.c
+CCOPYKERNEL  = ../arm/zcopy.c
+ZCOPYKERNEL  = ../arm/zcopy.c
+
+SDOTKERNEL   = ../arm/dot.c
+DDOTKERNEL   = ../arm/dot.c
+CDOTKERNEL   = ../arm/zdot.c
+ZDOTKERNEL   = ../arm/zdot.c
+DSDOTKERNEL  = ../generic/dot.c
+
+SNRM2KERNEL  = ../arm/nrm2.c
+DNRM2KERNEL  = ../arm/nrm2.c
+CNRM2KERNEL  = ../arm/znrm2.c
+ZNRM2KERNEL  = ../arm/znrm2.c
+
+SROTKERNEL   = ../arm/rot.c
+DROTKERNEL   = ../arm/rot.c
+CROTKERNEL   = ../arm/zrot.c
+ZROTKERNEL   = ../arm/zrot.c
+
+SSCALKERNEL  = ../arm/scal.c
+DSCALKERNEL  = ../arm/scal.c
+CSCALKERNEL  = ../arm/zscal.c
+ZSCALKERNEL  = ../arm/zscal.c
+
+SSWAPKERNEL  = ../arm/swap.c
+DSWAPKERNEL  = ../arm/swap.c
+CSWAPKERNEL  = ../arm/zswap.c
+ZSWAPKERNEL  = ../arm/zswap.c
+
+SGEMVNKERNEL = ../arm/gemv_n.c
+DGEMVNKERNEL = ../arm/gemv_n.c
+CGEMVNKERNEL = ../arm/zgemv_n.c
+ZGEMVNKERNEL = ../arm/zgemv_n.c
+
+SGEMVTKERNEL = ../arm/gemv_t.c
+DGEMVTKERNEL = ../arm/gemv_t.c
+CGEMVTKERNEL = ../arm/zgemv_t.c
+ZGEMVTKERNEL = ../arm/zgemv_t.c
+
+STRMMKERNEL	= ../generic/trmmkernel_2x2.c
+DTRMMKERNEL	= ../generic/trmmkernel_2x2.c
+CTRMMKERNEL	= ../generic/ztrmmkernel_2x2.c
+ZTRMMKERNEL	= ../generic/ztrmmkernel_2x2.c
+
+SGEMMKERNEL    =  ../generic/gemmkernel_2x2.c
+SGEMMONCOPY    =  ../generic/gemm_ncopy_2.c
+SGEMMOTCOPY    =  ../generic/gemm_tcopy_2.c
+SGEMMONCOPYOBJ =  sgemm_oncopy$(TSUFFIX).$(SUFFIX)
+SGEMMOTCOPYOBJ =  sgemm_otcopy$(TSUFFIX).$(SUFFIX)
+
+DGEMMKERNEL    =  ../generic/gemmkernel_2x2.c
+DGEMMONCOPY    = ../generic/gemm_ncopy_2.c
+DGEMMOTCOPY    = ../generic/gemm_tcopy_2.c
+DGEMMONCOPYOBJ = dgemm_oncopy$(TSUFFIX).$(SUFFIX)
+DGEMMOTCOPYOBJ = dgemm_otcopy$(TSUFFIX).$(SUFFIX)
+
+CGEMMKERNEL    = ../generic/zgemmkernel_2x2.c
+CGEMMONCOPY    = ../generic/zgemm_ncopy_2.c
+CGEMMOTCOPY    = ../generic/zgemm_tcopy_2.c
+CGEMMONCOPYOBJ =  cgemm_oncopy$(TSUFFIX).$(SUFFIX)
+CGEMMOTCOPYOBJ =  cgemm_otcopy$(TSUFFIX).$(SUFFIX)
+
+ZGEMMKERNEL    = ../generic/zgemmkernel_2x2.c
+ZGEMMONCOPY    = ../generic/zgemm_ncopy_2.c
+ZGEMMOTCOPY    = ../generic/zgemm_tcopy_2.c
+ZGEMMONCOPYOBJ =  zgemm_oncopy$(TSUFFIX).$(SUFFIX)
+ZGEMMOTCOPYOBJ =  zgemm_otcopy$(TSUFFIX).$(SUFFIX)
+
+STRSMKERNEL_LN	=  ../generic/trsm_kernel_LN.c
+STRSMKERNEL_LT	=  ../generic/trsm_kernel_LT.c
+STRSMKERNEL_RN	=  ../generic/trsm_kernel_RN.c
+STRSMKERNEL_RT	=  ../generic/trsm_kernel_RT.c
+
+DTRSMKERNEL_LN	= ../generic/trsm_kernel_LN.c
+DTRSMKERNEL_LT	= ../generic/trsm_kernel_LT.c
+DTRSMKERNEL_RN	= ../generic/trsm_kernel_RN.c
+DTRSMKERNEL_RT	= ../generic/trsm_kernel_RT.c
+
+CTRSMKERNEL_LN	= ../generic/trsm_kernel_LN.c
+CTRSMKERNEL_LT	= ../generic/trsm_kernel_LT.c
+CTRSMKERNEL_RN	= ../generic/trsm_kernel_RN.c
+CTRSMKERNEL_RT	= ../generic/trsm_kernel_RT.c
+
+ZTRSMKERNEL_LN	= ../generic/trsm_kernel_LN.c
+ZTRSMKERNEL_LT	= ../generic/trsm_kernel_LT.c
+ZTRSMKERNEL_RN	= ../generic/trsm_kernel_RN.c
+ZTRSMKERNEL_RT	= ../generic/trsm_kernel_RT.c
+
+
+SCABS_KERNEL	= ../generic/cabs.c
+DCABS_KERNEL	= ../generic/cabs.c
+QCABS_KERNEL	= ../generic/cabs.c
+LSAME_KERNEL	= ../generic/lsame.c
+
+SGEMM_BETA = ../generic/gemm_beta.c
+DGEMM_BETA = ../generic/gemm_beta.c
+CGEMM_BETA = ../generic/zgemm_beta.c
+ZGEMM_BETA = ../generic/zgemm_beta.c
+
+

Diff for: kernel/csky/Makefile

@@ -0,0 +1 @@
+clean ::