Merge pull request #3278 from brada4/A55

Add CORTEXA55 cpuid 0xd05 support

Author: martin-frbg

Makefile.arm64

@@ -57,6 +57,28 @@ endif
 endif
 endif
 
+# Use a53 tunings because a55 is only available in GCC>=8.1
+ifeq ($(CORE), CORTEXA55)
+ifeq ($(GCCVERSIONGTEQ7), 1)
+ifeq ($(GCCVERSIONGTEQ8), 1)
+CCOMMON_OPT += -march=armv8.2-a -mtune=cortex-a55
+ifneq ($(F_COMPILER), NAG)
+FCOMMON_OPT += -march=armv8.2-a -mtune=cortex-a55
+endif
+else
+CCOMMON_OPT += -march=armv8.2-a -mtune=cortex-a53
+ifneq ($(F_COMPILER), NAG)
+FCOMMON_OPT += -march=armv8.2-a -mtune=cortex-a53
+endif
+endif
+else
+CCOMMON_OPT += -march=armv8-a -mtune=cortex-a53
+ifneq ($(F_COMPILER), NAG)
+FCOMMON_OPT += -march=armv8-a -mtune=cortex-a53
+endif
+endif
+endif
+
 ifeq ($(CORE), THUNDERX)
 CCOMMON_OPT += -march=armv8-a -mtune=thunderx
 ifneq ($(F_COMPILER), NAG)

Makefile.system

@@ -333,6 +333,7 @@ GCCVERSIONGTEQ4 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 4)
 GCCVERSIONGT4 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \> 4)
 GCCVERSIONGT5 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \> 5)
 GCCVERSIONGTEQ7 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 7)
+GCCVERSIONGTEQ8 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 8)
 GCCVERSIONGTEQ9 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 9)
 GCCVERSIONGTEQ11 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 11)
 GCCVERSIONGTEQ10 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 10)
@@ -625,6 +626,7 @@ DYNAMIC_CORE += CORTEXA57
 DYNAMIC_CORE += CORTEXA72
 DYNAMIC_CORE += CORTEXA73
 DYNAMIC_CORE += NEOVERSEN1
+DYNAMIC_CORE += CORTEXA55
 DYNAMIC_CORE += FALKOR
 DYNAMIC_CORE += THUNDERX
 DYNAMIC_CORE += THUNDERX2T99

TargetList.txt

@@ -92,6 +92,7 @@ CORTEXA57
 CORTEXA72
 CORTEXA73
 NEOVERSEN1
+CORTEXA55
 EMAG8180
 FALKOR
 THUNDERX

cmake/arch.cmake

@@ -44,7 +44,7 @@ endif ()
 
 if (DYNAMIC_ARCH)
   if (ARM64)
-    set(DYNAMIC_CORE ARMV8 CORTEXA53 CORTEXA57 CORTEXA72 CORTEXA73 FALKOR THUNDERX THUNDERX2T99 TSV110 EMAG8180 NEOVERSEN1 THUNDERX3T110)
+	  set(DYNAMIC_CORE ARMV8 CORTEXA53 CORTEXA55 CORTEXA57 CORTEXA72 CORTEXA73 FALKOR THUNDERX THUNDERX2T99 TSV110 EMAG8180 NEOVERSEN1 THUNDERX3T110)
     if (DYNAMIC_LIST)
 	    set(DYNAMIC_CORE ARMV8 ${DYNAMIC_LIST})
     endif ()

cmake/prebuild.cmake

@@ -177,7 +177,7 @@ if (DEFINED CORE AND CMAKE_CROSSCOMPILING AND NOT (${HOST_OS} STREQUAL "WINDOWSS
     set(ZGEMM_UNROLL_M 4)
     set(ZGEMM_UNROLL_N 4)
     set(SYMV_P 16)
-  elseif ("${TCORE}" STREQUAL "CORTEXA57" OR "${TCORE}" STREQUAL "CORTEXA53")
+  elseif ("${TCORE}" STREQUAL "CORTEXA57" OR "${TCORE}" STREQUAL "CORTEXA53" OR "${TCORE}" STREQUAL "CORTEXA55")
     file(APPEND ${TARGET_CONF_TEMP}
       "#define L1_CODE_SIZE\t32768\n"
       "#define L1_CODE_LINESIZE\t64\n"

cmake/system.cmake

@@ -39,7 +39,7 @@ if (DEFINED BINARY AND DEFINED TARGET AND BINARY EQUAL 32)
   if (${TARGET} STREQUAL "BULLDOZER" OR ${TARGET} STREQUAL "PILEDRIVER" OR ${TARGET} STREQUAL "ZEN")
     set(TARGET "BARCELONA")
   endif ()
-  if (${TARGET} STREQUAL "ARMV8" OR ${TARGET} STREQUAL "CORTEXA57" OR ${TARGET} STREQUAL "CORTEXA53")
+  if (${TARGET} STREQUAL "ARMV8" OR ${TARGET} STREQUAL "CORTEXA57" OR ${TARGET} STREQUAL "CORTEXA53" OR ${TARGET} STREQUAL "CORTEXA55")
     set(TARGET "ARMV7")
   endif ()
 endif ()

cpuid_arm64.c

@@ -36,6 +36,7 @@ size_t length=sizeof(value);
 #define CPU_ARMV8       	1
 // Arm
 #define CPU_CORTEXA53     2
+#define CPU_CORTEXA55     14
 #define CPU_CORTEXA57     3
 #define CPU_CORTEXA72     4
 #define CPU_CORTEXA73     5
@@ -67,7 +68,8 @@ static char *cpuname[] = {
   "EMAG8180",
   "NEOVERSEN1",
   "THUNDERX3T110",
-  "VORTEX"	
+  "VORTEX",
+  "CORTEXA55"
 };
 
 static char *cpuname_lower[] = {
@@ -84,7 +86,8 @@ static char *cpuname_lower[] = {
   "emag8180",
   "neoversen1",
   "thunderx3t110",
-  "vortex"	
+  "vortex",
+  "cortexa55"
 };
 
 int get_feature(char *search)
@@ -161,6 +164,8 @@ int detect(void)
         return CPU_CORTEXA73;
       else if (strstr(cpu_part, "0xd0c"))
         return CPU_NEOVERSEN1;
+      else if (strstr(cpu_part, "0xd05"))
+	return CPU_CORTEXA55;
     }
     // Qualcomm
     else if (strstr(cpu_implementer, "0x51") && strstr(cpu_part, "0xc00"))
@@ -281,6 +286,7 @@ void get_cpuconfig(void)
 	{
 
     case CPU_CORTEXA53:
+    case CPU_CORTEXA55:			
       printf("#define %s\n", cpuname[d]);
       // Fall-through
 		case CPU_ARMV8:

driver/others/dynamic_arm64.c

@@ -99,6 +99,11 @@ extern gotoblas_t  gotoblas_NEOVERSEN1;
 #else
 #define gotoblas_NEOVERSEN1 gotoblas_ARMV8
 #endif
+#ifdef DYN_CORTEX_A55
+extern gotoblas_t  gotoblas_CORTEXA55;
+#else
+#define gotoblas_CORTEXA55 gotoblas_ARMV8
+#endif
 #else
 extern gotoblas_t  gotoblas_CORTEXA53;
 extern gotoblas_t  gotoblas_CORTEXA57;
@@ -111,11 +116,12 @@ extern gotoblas_t  gotoblas_TSV110;
 extern gotoblas_t  gotoblas_EMAG8180;
 extern gotoblas_t  gotoblas_NEOVERSEN1;
 extern gotoblas_t  gotoblas_THUNDERX3T110;
+extern gotoblas_t  gotoblas_CORTEXA55;
 #endif
 
 extern void openblas_warning(int verbose, const char * msg);
 
-#define NUM_CORETYPES   12
+#define NUM_CORETYPES   13
 
 /*
  * In case asm/hwcap.h is outdated on the build system, make sure
@@ -142,6 +148,7 @@ static char *corename[] = {
   "emag8180",
   "neoversen1",
   "thunderx3t110",
+  "cortexa55",
   "unknown"
 };
 
@@ -158,6 +165,7 @@ char *gotoblas_corename(void) {
   if (gotoblas == &gotoblas_EMAG8180)     return corename[ 9];
   if (gotoblas == &gotoblas_NEOVERSEN1)   return corename[10];
   if (gotoblas == &gotoblas_THUNDERX3T110) return corename[11];
+  if (gotoblas == &gotoblas_CORTEXA55)    return corename[12];
   return corename[NUM_CORETYPES];
 }
 
@@ -189,6 +197,7 @@ static gotoblas_t *force_coretype(char *coretype) {
     case  9: return (&gotoblas_EMAG8180);
     case 10: return (&gotoblas_NEOVERSEN1);
     case 11: return (&gotoblas_THUNDERX3T110);
+    case 12: return (&gotoblas_CORTEXA55);
   }
   snprintf(message, 128, "Core not found: %s\n", coretype);
   openblas_warning(1, message);
@@ -247,6 +256,8 @@ static gotoblas_t *get_coretype(void) {
           return &gotoblas_CORTEXA73;
         case 0xd0c: // Neoverse N1
           return &gotoblas_NEOVERSEN1;
+	case 0xd05: // Cortex A55
+	  return &gotoblas_CORTEXA55;
       }
       break;
     case 0x42: // Broadcom

getarch.c

@@ -1159,6 +1159,21 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #else
 #endif
 
+#ifdef FORCE_CORTEXA55
+#define FORCE
+#define ARCHITECTURE    "ARM64"
+#define SUBARCHITECTURE "CORTEXA55"
+#define SUBDIRNAME      "arm64"
+#define ARCHCONFIG   "-DCORTEXA55 " \
+       "-DL1_CODE_SIZE=16384 -DL1_CODE_LINESIZE=64 -DL1_CODE_ASSOCIATIVE=3 " \
+       "-DL1_DATA_SIZE=16384 -DL1_DATA_LINESIZE=64 -DL1_DATA_ASSOCIATIVE=2 " \
+       "-DL2_SIZE=65536 -DL2_LINESIZE=64 -DL2_ASSOCIATIVE=16 " \
+       "-DDTB_DEFAULT_ENTRIES=64 -DDTB_SIZE=4096 " \
+       "-DHAVE_VFPV4 -DHAVE_VFPV3 -DHAVE_VFP -DHAVE_NEON -DARMV8"
+#define LIBNAME   "cortexa55"
+#define CORENAME  "CORTEXA55"
+#else
+#endif
 
 #ifdef FORCE_FALKOR
 #define FORCE