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-rw-r--r--src/cmake/cpu.cmake4
-rw-r--r--src/vppinfra/cpu.h20
2 files changed, 20 insertions, 4 deletions
diff --git a/src/cmake/cpu.cmake b/src/cmake/cpu.cmake
index 0e47f3325cf..c7ad1a4a0bc 100644
--- a/src/cmake/cpu.cmake
+++ b/src/cmake/cpu.cmake
@@ -99,6 +99,10 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
if(compiler_flag_march_core_qdf24xx)
list(APPEND MARCH_VARIANTS "qdf24xx\;-march=armv8-a+crc+crypto -DCLIB_N_PREFETCHES=8")
endif()
+ check_c_compiler_flag("-march=armv8.2-a+crc+crypto+lse" compiler_flag_march_core_octeontx2)
+ if(compiler_flag_march_core_octeontx2)
+ list(APPEND MARCH_VARIANTS "octeontx2\;-march=armv8.2-a+crc+crypto+lse -DCLIB_N_PREFETCHES=8")
+ endif()
check_c_compiler_flag("-march=armv8.1-a+crc+crypto -mtune=thunderx2t99" compiler_flag_march_thunderx2t99)
if(compiler_flag_march_thunderx2t99)
if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.3))
diff --git a/src/vppinfra/cpu.h b/src/vppinfra/cpu.h
index dc73c90ca34..750b3934df9 100644
--- a/src/vppinfra/cpu.h
+++ b/src/vppinfra/cpu.h
@@ -327,8 +327,10 @@ clib_cpu_part ()
return part;
}
-#define AARCH64_CPU_IMPLEMENTER_THUNERDERX2 0x43
-#define AARCH64_CPU_PART_THUNERDERX2 0x0af
+#define AARCH64_CPU_IMPLEMENTER_CAVIUM 0x43
+#define AARCH64_CPU_PART_THUNDERX2 0x0af
+#define AARCH64_CPU_PART_OCTEONTX2T96 0x0b2
+#define AARCH64_CPU_PART_OCTEONTX2T98 0x0b1
#define AARCH64_CPU_IMPLEMENTER_QDF24XX 0x51
#define AARCH64_CPU_PART_QDF24XX 0xc00
#define AARCH64_CPU_IMPLEMENTER_CORTEXA72 0x41
@@ -337,10 +339,20 @@ clib_cpu_part ()
#define AARCH64_CPU_PART_NEOVERSEN1 0xd0c
static inline int
+clib_cpu_march_priority_octeontx2 ()
+{
+ if ((AARCH64_CPU_IMPLEMENTER_CAVIUM == clib_cpu_implementer ()) &&
+ ((AARCH64_CPU_PART_OCTEONTX2T96 == clib_cpu_part ())
+ || AARCH64_CPU_PART_OCTEONTX2T98 == clib_cpu_part ()))
+ return 20;
+ return -1;
+}
+
+static inline int
clib_cpu_march_priority_thunderx2t99 ()
{
- if ((AARCH64_CPU_IMPLEMENTER_THUNERDERX2 == clib_cpu_implementer ()) &&
- (AARCH64_CPU_PART_THUNERDERX2 == clib_cpu_part ()))
+ if ((AARCH64_CPU_IMPLEMENTER_CAVIUM == clib_cpu_implementer ()) &&
+ (AARCH64_CPU_PART_THUNDERX2 == clib_cpu_part ()))
return 20;
return -1;
}