Add Arm Neoverse N3 part number to build configuration.
Signed-off-by: Wathsala Vithanage <wathsala.vithan...@arm.com>
Reviewed-by: Dhruv Tripathi <dhruv.tripa...@arm.com>
---
config/arm/meson.build | 31 ++++++++++++++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)
diff --git a/config/arm/meson.build b/config/arm/meson.build
index 012935d5d7..acf8e933ab 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -116,6 +116,27 @@ part_number_config_arm = {
['RTE_MAX_LCORE', 144],
['RTE_MAX_NUMA_NODES', 2]
]
+ },
+ '0xd8e': {
+# Only when -march=armv9-a+wfxt is used will the WFET
+# feature be compiled with armv9 instructions.
+# However, +wfxt is not supported by GCC at the moment.
+# Although armv9-a is the fitting version of Arm ISA for
+# Neoverse N3, it cannot be used when enabling wfxt for
+# the above reasons.
+# The workaround for this is to use armv8.7-a, which
+# doesn't require +wfxt for binutils version 2.36 or
+# greater.
+ 'march': 'armv8.7-a',
+ 'march_features': ['sve2'],
+ 'fallback_march': 'armv8.5-a',
+ 'flags': [
+ ['RTE_MACHINE', '"neoverse-n3"'],
+ ['RTE_ARM_FEATURE_ATOMICS', true],
+ ['RTE_ARM_FEATURE_WFXT', true],
+ ['RTE_MAX_LCORE', 192],
+ ['RTE_MAX_NUMA_NODES', 2]
+ ]
}
}
implementer_arm = {
@@ -572,6 +593,13 @@ soc_n2 = {
'numa': false
}
+soc_n3 = {
+ 'description': 'Arm Neoverse N3',
+ 'implementer': '0x41',
+ 'part_number': '0xd8e',
+ 'numa': false
+}
+
soc_odyssey = {
'description': 'Marvell Odyssey',
'implementer': '0x41',
@@ -699,6 +727,7 @@ socs = {
'kunpeng930': soc_kunpeng930,
'n1sdp': soc_n1sdp,
'n2': soc_n2,
+ 'n3': soc_n3,
'odyssey' : soc_odyssey,
'stingray': soc_stingray,
'thunderx2': soc_thunderx2,
@@ -852,7 +881,7 @@ if update_flags
if part_number_config.get('force_march', false)
candidate_march = part_number_config['march']
else
- supported_marchs = ['armv9-a', 'armv8.6-a', 'armv8.5-a',
'armv8.4-a', 'armv8.3-a',
+ supported_marchs = ['armv9-a', 'armv8.7-a', 'armv8.6-a',
'armv8.5-a', 'armv8.4-a', 'armv8.3-a',
'armv8.2-a', 'armv8.1-a', 'armv8-a']
check_compiler_support = false
foreach supported_march: supported_marchs
--
2.34.1
