diff options
| -rw-r--r-- | src/cmake/cpu.cmake | 4 | ||||
| -rw-r--r-- | src/vppinfra/cpu.h | 11 |
2 files changed, 15 insertions, 0 deletions
diff --git a/src/cmake/cpu.cmake b/src/cmake/cpu.cmake index 916fe0d1ddd..0ce8bea31ec 100644 --- a/src/cmake/cpu.cmake +++ b/src/cmake/cpu.cmake @@ -107,6 +107,10 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)") if(compiler_flag_march_cortexa72) list(APPEND MARCH_VARIANTS "cortexa72\;-march=armv8-a+crc+crypto -mtune=cortex-a72 -DCLIB_N_PREFETCHES=6") endif() + check_c_compiler_flag("-march=armv8.2-a+crc+crypto -mtune=neoverse-n1" compiler_flag_march_neoversen1) + if(compiler_flag_march_neoversen1) + list(APPEND MARCH_VARIANTS "neoversen1\;-march=armv8.2-a+crc+crypto -mtune=neoverse-n1 -DCLIB_N_PREFETCHES=6") + endif() endif() macro(vpp_library_set_multiarch_sources lib) diff --git a/src/vppinfra/cpu.h b/src/vppinfra/cpu.h index 48c68a11699..7bd5dfe9722 100644 --- a/src/vppinfra/cpu.h +++ b/src/vppinfra/cpu.h @@ -322,6 +322,8 @@ clib_cpu_part () #define AARCH64_CPU_PART_QDF24XX 0xc00 #define AARCH64_CPU_IMPLEMENTER_CORTEXA72 0x41 #define AARCH64_CPU_PART_CORTEXA72 0xd08 +#define AARCH64_CPU_IMPLEMENTER_NEOVERSEN1 0x41 +#define AARCH64_CPU_PART_NEOVERSEN1 0xd0c static inline int clib_cpu_march_priority_thunderx2t99 () @@ -350,6 +352,15 @@ clib_cpu_march_priority_cortexa72 () return -1; } +static inline int +clib_cpu_march_priority_neoversen1 () +{ + if ((AARCH64_CPU_IMPLEMENTER_NEOVERSEN1 == clib_cpu_implementer ()) && + (AARCH64_CPU_PART_NEOVERSEN1 == clib_cpu_part ())) + return 10; + return -1; +} + #ifdef CLIB_MARCH_VARIANT #define CLIB_MARCH_FN_PRIORITY() CLIB_MARCH_SFX(clib_cpu_march_priority)() #else |