[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



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