[dpdk-dev] [PATCH 3/5] eal: fix compilation for armv8 64-bit
David Hunt
david.hunt at intel.com
Thu Oct 29 18:29:52 CET 2015
Signed-off-by: David Hunt <david.hunt at intel.com>
---
lib/librte_eal/common/include/arch/arm/rte_cpuflags.h | 9 +++++++++
1 file changed, 9 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 7ce9d14..27d49c0 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_cpuflags.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_cpuflags.h
@@ -141,12 +141,21 @@ rte_cpu_get_features(__attribute__((unused)) uint32_t leaf,
__attribute__((unused)) uint32_t subleaf, cpuid_registers_t out)
{
int auxv_fd;
+#ifdef RTE_ARCH_64
+ Elf64_auxv_t auxv;
+#else
Elf32_auxv_t auxv;
+#endif
auxv_fd = open("/proc/self/auxv", O_RDONLY);
assert(auxv_fd);
+#ifdef RTE_ARCH_64
+ while (read(auxv_fd, &auxv,
+ sizeof(Elf64_auxv_t)) == sizeof(Elf64_auxv_t)) {
+#else
while (read(auxv_fd, &auxv,
sizeof(Elf32_auxv_t)) == sizeof(Elf32_auxv_t)) {
+#endif
if (auxv.a_type == AT_HWCAP)
out[REG_HWCAP] = auxv.a_un.a_val;
else if (auxv.a_type == AT_HWCAP2)
--
1.9.1
More information about the dev
mailing list