From: Jan Viktorin <viktorin@rehivetech.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>,
David Hunt <david.hunt@intel.com>,
dev@dpdk.org
Subject: [dpdk-dev] [PATCH v2 11/16] eal/arm: detect arm architecture in cpu flags
Date: Mon, 26 Oct 2015 17:37:33 +0100 [thread overview]
Message-ID: <1445877458-31052-12-git-send-email-viktorin@rehivetech.com> (raw)
In-Reply-To: <1445877458-31052-1-git-send-email-viktorin@rehivetech.com>
Based on the patch by David Hunt and Armuta Zende:
lib: added support for armv7 architecture
Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
Signed-off-by: Amruta Zende <amruta.zende@intel.com>
Signed-off-by: David Hunt <david.hunt@intel.com>
---
lib/librte_eal/common/include/arch/arm/rte_cpuflags.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/lib/librte_eal/common/include/arch/arm/rte_cpuflags.h b/lib/librte_eal/common/include/arch/arm/rte_cpuflags.h
index 1eadb33..17e13fc 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_cpuflags.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_cpuflags.h
@@ -52,10 +52,15 @@ extern "C" {
#define AT_HWCAP2 26
#endif
+#ifndef AT_PLATFORM
+#define AT_PLATFORM 15
+#endif
+
/* software based registers */
enum cpu_register_t {
REG_HWCAP = 0,
REG_HWCAP2,
+ REG_PLATFORM,
};
/**
@@ -89,6 +94,8 @@ enum rte_cpu_flag_t {
RTE_CPUFLAG_SHA1,
RTE_CPUFLAG_SHA2,
RTE_CPUFLAG_CRC32,
+ RTE_CPUFLAG_AARCH32,
+ RTE_CPUFLAG_AARCH64,
/* The last item */
RTE_CPUFLAG_NUMFLAGS,/**< This should always be the last! */
};
@@ -121,6 +128,8 @@ static const struct feature_entry cpu_feature_table[] = {
FEAT_DEF(SHA1, 0x00000001, 0, REG_HWCAP2, 2)
FEAT_DEF(SHA2, 0x00000001, 0, REG_HWCAP2, 3)
FEAT_DEF(CRC32, 0x00000001, 0, REG_HWCAP2, 4)
+ FEAT_DEF(AARCH32, 0x00000001, 0, REG_PLATFORM, 0)
+ FEAT_DEF(AARCH64, 0x00000001, 0, REG_PLATFORM, 1)
};
/*
@@ -141,6 +150,12 @@ rte_cpu_get_features(__attribute__((unused)) uint32_t leaf,
out[REG_HWCAP] = auxv.a_un.a_val;
else if (auxv.a_type == AT_HWCAP2)
out[REG_HWCAP2] = auxv.a_un.a_val;
+ else if (auxv.a_type == AT_PLATFORM) {
+ if (!strcmp((const char *)auxv.a_un.a_val, "aarch32"))
+ out[REG_PLATFORM] = 0x0001;
+ else if (!strcmp((const char *)auxv.a_un.a_val, "aarch64"))
+ out[REG_PLATFORM] = 0x0002;
+ }
}
}
--
2.6.1
next prev parent reply other threads:[~2015-10-26 16:39 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-26 16:37 [dpdk-dev] [PATCH v2 00/16] Support ARMv7 architecture Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 01/16] mk: Introduce " Jan Viktorin
2015-10-28 13:34 ` David Marchand
2015-10-28 17:32 ` Jan Viktorin
2015-10-28 17:36 ` Richardson, Bruce
2015-10-28 13:39 ` David Marchand
2015-10-28 17:32 ` Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 02/16] eal/arm: atomic operations for ARM Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 03/16] eal/arm: byte order " Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 04/16] eal/arm: cpu cycle " Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 05/16] eal/arm: implement rdtsc by PMU or clock_gettime Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 06/16] eal/arm: prefetch operations for ARM Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 07/16] eal/arm: spinlock operations for ARM (without HTM) Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 08/16] eal/arm: vector memcpy for ARM Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 09/16] eal/arm: use vector memcpy only when NEON is enabled Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 10/16] eal/arm: cpu flag checks for ARM Jan Viktorin
2015-10-26 16:37 ` Jan Viktorin [this message]
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 12/16] eal/arm: rwlock support " Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 13/16] gcc/arm: avoid alignment errors to break build Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 14/16] maintainers: claim responsibility for ARMv7 Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 15/16] lpm/arm: implement rte_lpm_lookupx4 using rte_lpm_lookup_bulk on for-x86 Jan Viktorin
2015-10-27 15:31 ` Ananyev, Konstantin
2015-10-27 15:38 ` Jan Viktorin
2015-10-26 16:37 ` [dpdk-dev] [PATCH v2 16/16] acl: check for SSE 4.1 support Jan Viktorin
2015-10-27 15:55 ` Ananyev, Konstantin
2015-10-27 17:10 ` Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 00/17] Support ARMv7 architecture Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 01/17] mk: Introduce " Jan Viktorin
2015-10-28 10:09 ` David Marchand
2015-10-28 10:56 ` Jan Viktorin
2015-10-28 13:40 ` David Marchand
2015-10-28 13:44 ` Hunt, David
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 02/17] eal/arm: atomic operations for ARM Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 03/17] eal/arm: byte order " Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 04/17] eal/arm: cpu cycle " Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 05/17] eal/arm: implement rdtsc by PMU or clock_gettime Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 06/17] eal/arm: prefetch operations for ARM Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 07/17] eal/arm: spinlock operations for ARM (without HTM) Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 08/17] eal/arm: vector memcpy for ARM Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 09/17] eal/arm: use vector memcpy only when NEON is enabled Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 10/17] eal/arm: cpu flag checks for ARM Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 11/17] eal/arm: detect arm architecture in cpu flags Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 12/17] eal/arm: rwlock support for ARM Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 13/17] gcc/arm: avoid alignment errors to break build Jan Viktorin
2015-10-28 12:16 ` David Marchand
2015-10-28 17:34 ` Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 14/17] maintainers: claim responsibility for ARMv7 Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 15/17] eal/arm: add very incomplete rte_vect Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 16/17] lpm/arm: implement rte_lpm_lookupx4 using rte_lpm_lookup_bulk for non-x86 Jan Viktorin
2015-10-27 19:13 ` [dpdk-dev] [PATCH v3 17/17] acl: handle when SSE 4.1 is unsupported Jan Viktorin
2015-10-28 14:54 ` [dpdk-dev] [PATCH v3 00/17] Support ARMv7 architecture David Marchand
2015-10-28 17:38 ` Jan Viktorin
2015-10-28 17:58 ` David Marchand
2015-10-29 14:02 ` Thomas Monjalon
2015-10-29 14:09 ` Jan Viktorin
2015-10-29 15:02 ` Thomas Monjalon
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 00/15] " Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 01/15] eal/arm: atomic operations for ARM Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 02/15] eal/arm: byte order " Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 03/15] eal/arm: cpu cycle " Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 04/15] eal/arm: implement rdtsc by PMU or clock_gettime Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 05/15] eal/arm: prefetch operations for ARM Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 06/15] eal/arm: spinlock operations for ARM (without HTM) Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 07/15] eal/arm: vector memcpy for ARM Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 08/15] eal/arm: use vector memcpy only when NEON is enabled Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 09/15] eal/arm: cpu flag checks for ARM Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 10/15] eal/arm: detect arm architecture in cpu flags Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 11/15] eal/arm: rwlock support for ARM Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 12/15] eal/arm: add very incomplete rte_vect Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 13/15] gcc/arm: avoid alignment errors to break build Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 14/15] mk: Introduce ARMv7 architecture Jan Viktorin
2015-10-29 12:43 ` [dpdk-dev] [PATCH v4 15/15] maintainers: claim responsibility for ARMv7 Jan Viktorin
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