[dpdk-dev] [PATCH v17 4/8] eal/arm: update CPU flags
Juraj Linkeš
juraj.linkes at pantheon.tech
Thu Apr 22 14:49:05 CEST 2021
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
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