ARM64: Add Cavium THUNDERX2T99 Target

Makefile.arm64

@@ -18,3 +18,8 @@ ifeq ($(CORE), THUNDERX)
 CCOMMON_OPT += -mtune=thunderx -mcpu=thunderx
 FCOMMON_OPT += -mtune=thunderx -mcpu=thunderx
 endif
+
+ifeq ($(CORE), THUNDERX2T99)
+CCOMMON_OPT += -mtune=vulcan -mcpu=vulcan
+FCOMMON_OPT += -mtune=vulcan -mcpu=vulcan
+endif

TargetList.txt

@@ -82,4 +82,5 @@ ARMV8
 CORTEXA57
 VULCAN
 THUNDERX
+THUNDERX2T99
 

cpuid_arm64.c

@@ -32,13 +32,15 @@
 #define CPU_CORTEXA57       	2
 #define CPU_VULCAN       	3
 #define CPU_THUNDERX    	4
+#define CPU_THUNDERX2T99   	5
 
 static char *cpuname[] = {
   "UNKNOWN",
   "ARMV8" ,
   "CORTEXA57",
   "VULCAN",
-  "THUNDERX"
+  "THUNDERX",
+  "THUNDERX2T99"
 };
 
 static char *cpuname_lower[] = {
@@ -46,7 +48,8 @@ static char *cpuname_lower[] = {
   "armv8" ,
   "cortexa57",
   "vulcan",
-  "thunderx"
+  "thunderx",
+  "thunderx2t99"
 };
 
 int get_feature(char *search)
@@ -117,6 +120,8 @@ int detect(void)
 			return CPU_VULCAN;
 		else if (strstr(cpu_part, "0x0a1") && strstr(cpu_implementer, "0x43"))
 			return CPU_THUNDERX;
+		else if (strstr(cpu_part, "0xFFF") && strstr(cpu_implementer, "0x43")) /* TODO */
+			return CPU_THUNDERX2T99;
 	}
 
 	p = (char *) NULL ;
@@ -241,6 +246,28 @@ void get_cpuconfig(void)
 			printf("#define DTB_SIZE 4096\n");
 			printf("#define L2_ASSOCIATIVE 16\n");
 			break;
+
+		case CPU_THUNDERX2T99:
+			printf("#define VULCAN                        \n");
+			printf("#define HAVE_VFP                      \n");
+			printf("#define HAVE_VFPV3                    \n");
+			printf("#define HAVE_NEON                     \n");
+			printf("#define HAVE_VFPV4                    \n");
+			printf("#define L1_CODE_SIZE         32768    \n");
+			printf("#define L1_CODE_LINESIZE     64       \n");
+			printf("#define L1_CODE_ASSOCIATIVE  8        \n");
+			printf("#define L1_DATA_SIZE         32768    \n");
+			printf("#define L1_DATA_LINESIZE     64       \n");
+			printf("#define L1_DATA_ASSOCIATIVE  8        \n");
+			printf("#define L2_SIZE              262144   \n");
+			printf("#define L2_LINESIZE          64       \n");
+			printf("#define L2_ASSOCIATIVE       8        \n");
+			printf("#define L3_SIZE              33554432 \n");
+			printf("#define L3_LINESIZE          64       \n");
+			printf("#define L3_ASSOCIATIVE       32       \n");
+			printf("#define DTB_DEFAULT_ENTRIES  64       \n");
+			printf("#define DTB_SIZE             4096     \n");
+			break;
 	}
 }
 

driver/others/parameter.c

@@ -730,22 +730,22 @@ void blas_set_parameter(void){
 
 #if defined(ARCH_ARM64)
 
-#if defined(VULCAN)
-unsigned long vulcan_pre_a;
-unsigned long vulcan_pre_b;
-unsigned long vulcan_pre_c;
+#if defined(VULCAN) || defined(THUNDERX2T99)
+unsigned long dgemm_prefetch_size_a;
+unsigned long dgemm_prefetch_size_b;
+unsigned long dgemm_prefetch_size_c;
 #endif
 
 void blas_set_parameter(void)
 {
-#if defined(VULCAN)
+#if defined(VULCAN) || defined(THUNDERX2T99)
   dgemm_p = 160;
   dgemm_q = 128;
   dgemm_r = 4096;
 
-  vulcan_pre_a = 3584;
-  vulcan_pre_b = 512;
-  vulcan_pre_c = 128;
+  dgemm_prefetch_size_a = 3584;
+  dgemm_prefetch_size_b = 512;
+  dgemm_prefetch_size_c = 128;
 #endif
 }
 

getarch.c

@@ -928,6 +928,23 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #else
 #endif
 
+#ifdef FORCE_THUNDERX2T99
+#define FORCE
+#define ARCHITECTURE    "ARM64"
+#define SUBARCHITECTURE "THUNDERX2T99"
+#define SUBDIRNAME      "arm64"
+#define ARCHCONFIG   "-DTHUNDERX2T99 " \
+       "-DL1_CODE_SIZE=32768 -DL1_CODE_LINESIZE=64 -DL1_CODE_ASSOCIATIVE=8 " \
+       "-DL1_DATA_SIZE=32768 -DL1_DATA_LINESIZE=64 -DL1_DATA_ASSOCIATIVE=8 " \
+       "-DL2_SIZE=262144 -DL2_LINESIZE=64 -DL2_ASSOCIATIVE=8 " \
+       "-DL3_SIZE=33554432 -DL3_LINESIZE=64 -DL3_ASSOCIATIVE=32 " \
+       "-DDTB_DEFAULT_ENTRIES=64 -DDTB_SIZE=4096 " \
+       "-DHAVE_VFPV4 -DHAVE_VFPV3 -DHAVE_VFP -DHAVE_NEON"
+#define LIBNAME   "thunderx2t99"
+#define CORENAME  "THUNDERX2T99"
+#else
+#endif
+
 #ifndef FORCE
 
 #if defined(__powerpc__) || defined(__powerpc) || defined(powerpc) || \

kernel/arm64/KERNEL.THUNDERX2T99

@@ -0,0 +1,2 @@
+include $(KERNELDIR)/KERNEL.VULCAN
+

kernel/arm64/dgemm_kernel_8x4_vulcan.S

@@ -973,11 +973,11 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 	prfm	PLDL1KEEP, [origPA]
 
 
-	ldr     A_PRE_SIZE, =vulcan_pre_a
+	ldr     A_PRE_SIZE, =dgemm_prefetch_size_a
 	ldr     A_PRE_SIZE, [A_PRE_SIZE]
-	ldr     B_PRE_SIZE, =vulcan_pre_b
+	ldr     B_PRE_SIZE, =dgemm_prefetch_size_b
 	ldr     B_PRE_SIZE, [B_PRE_SIZE]
-	ldr     C_PRE_SIZE, =vulcan_pre_c
+	ldr     C_PRE_SIZE, =dgemm_prefetch_size_c
 	ldr     C_PRE_SIZE, [C_PRE_SIZE]
 	add	A_PRE_SIZE_64, A_PRE_SIZE, #64
 	add	B_PRE_SIZE_64, B_PRE_SIZE, #64

param.h

@@ -2459,6 +2459,44 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define ZGEMM_DEFAULT_R 4096
 
 
+#define SYMV_P	16
+#endif
+
+#if defined(THUNDERX2T99)
+#define SNUMOPT		2
+#define DNUMOPT		2
+
+#define GEMM_DEFAULT_OFFSET_A 0
+#define GEMM_DEFAULT_OFFSET_B 0
+#define GEMM_DEFAULT_ALIGN 0x03fffUL
+
+#define SGEMM_DEFAULT_UNROLL_M  16
+#define SGEMM_DEFAULT_UNROLL_N  4
+
+#define DGEMM_DEFAULT_UNROLL_M  8
+#define DGEMM_DEFAULT_UNROLL_N  4
+
+#define CGEMM_DEFAULT_UNROLL_M  8
+#define CGEMM_DEFAULT_UNROLL_N  4
+
+#define ZGEMM_DEFAULT_UNROLL_M  4
+#define ZGEMM_DEFAULT_UNROLL_N  4
+
+#define SGEMM_DEFAULT_P	512
+#define DGEMM_DEFAULT_P	dgemm_p
+#define CGEMM_DEFAULT_P 256
+#define ZGEMM_DEFAULT_P 128
+
+#define SGEMM_DEFAULT_Q 1024
+#define DGEMM_DEFAULT_Q dgemm_q
+#define CGEMM_DEFAULT_Q 512
+#define ZGEMM_DEFAULT_Q 512
+
+#define SGEMM_DEFAULT_R 4096
+#define DGEMM_DEFAULT_R dgemm_r
+#define CGEMM_DEFAULT_R 4096
+#define ZGEMM_DEFAULT_R 2048
+
 #define SYMV_P	16
 #endif