[dpdk-dev] [PATCH v17 4/8] eal/arm: update CPU flags

[Juraj Linkeš]

There are two execution states on armv8 architecture, aarch64 and
aarch32. Add PLATFORM_STR for the latter and update RTE_ARCH_* flags
according to e9b97392640.

Signed-off-by: Juraj Linkeš <juraj.linkes at pantheon.tech>
---
 lib/eal/arm/include/rte_cpuflags_32.h |  1 +
 lib/eal/arm/rte_cpuflags.c            | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/lib/eal/arm/include/rte_cpuflags_32.h b/lib/eal/arm/include/rte_cpuflags_32.h
index b5347be1ec..4e254428a2 100644
--- a/lib/eal/arm/include/rte_cpuflags_32.h
+++ b/lib/eal/arm/include/rte_cpuflags_32.h
@@ -41,6 +41,7 @@ enum rte_cpu_flag_t {
 	RTE_CPUFLAG_SHA2,
 	RTE_CPUFLAG_CRC32,
 	RTE_CPUFLAG_V7L,
+	RTE_CPUFLAG_V8L,
 	/* The last item */
 	RTE_CPUFLAG_NUMFLAGS,/**< This should always be the last! */
 };
diff --git a/lib/eal/arm/rte_cpuflags.c b/lib/eal/arm/rte_cpuflags.c
index e3a53bcece..9e5b68b066 100644
--- a/lib/eal/arm/rte_cpuflags.c
+++ b/lib/eal/arm/rte_cpuflags.c
@@ -46,8 +46,12 @@ struct feature_entry {
 #define FEAT_DEF(name, reg, bit) \
 	[RTE_CPUFLAG_##name] = {reg, bit, #name},
 
+#ifdef RTE_ARCH_32
 #ifdef RTE_ARCH_ARMv7
 #define PLATFORM_STR "v7l"
+#elif defined RTE_ARCH_ARMv8_AARCH32
+#define PLATFORM_STR "v8l"
+#endif
 typedef Elf32_auxv_t _Elfx_auxv_t;
 
 const struct feature_entry rte_cpu_feature_table[] = {
@@ -78,10 +82,14 @@ const struct feature_entry rte_cpu_feature_table[] = {
 	FEAT_DEF(SHA1,      REG_HWCAP2,   2)
 	FEAT_DEF(SHA2,      REG_HWCAP2,   3)
 	FEAT_DEF(CRC32,     REG_HWCAP2,   4)
+	#ifdef RTE_ARCH_ARMv7
 	FEAT_DEF(V7L,       REG_PLATFORM, 0)
+	#elif defined RTE_ARCH_ARMv8_AARCH32
+	FEAT_DEF(V8L,       REG_PLATFORM, 0)
+	#endif
 };
 
-#elif defined RTE_ARCH_ARM64
+#elif defined RTE_ARCH_64
 #define PLATFORM_STR "aarch64"
 typedef Elf64_auxv_t _Elfx_auxv_t;
 
-- 
2.20.1