mk: shared libraries

[dpdk.git] / lib / librte_eal / common / eal_common_cpuflags.c

diff --git a/lib/librte_eal/common/eal_common_cpuflags.c b/lib/librte_eal/common/eal_common_cpuflags.c
index 74316e9..445cfd5 100644 (file)
--- a/lib/librte_eal/common/eal_common_cpuflags.c
+++ b/lib/librte_eal/common/eal_common_cpuflags.c
@@ -190,17 +190,33 @@ rte_cpu_get_features(struct cpuid_parameters_t params)
 {
        int eax, ebx, ecx, edx;            /* registers */
 
-       asm volatile ("cpuid"
-                     /* output */
-                     : "=a" (eax),
-                       "=b" (ebx),
-                       "=c" (ecx),
-                       "=d" (edx)
-                     /* input */
-                     : "a" (params.eax),
-                       "b" (params.ebx),
-                       "c" (params.ecx),
-                       "d" (params.edx));
+#ifndef __PIC__
+   asm volatile ("cpuid"
+                 /* output */
+                 : "=a" (eax),
+                   "=b" (ebx),
+                   "=c" (ecx),
+                   "=d" (edx)
+                 /* input */
+                 : "a" (params.eax),
+                   "b" (params.ebx),
+                   "c" (params.ecx),
+                   "d" (params.edx));
+#else
+       asm volatile ( 
+            "mov %%ebx, %%edi\n"
+            "cpuid\n"
+            "xchgl %%ebx, %%edi;\n"
+            : "=a" (eax),
+              "=D" (ebx),
+              "=c" (ecx),
+              "=d" (edx)
+            /* input */
+            : "a" (params.eax),
+              "D" (params.ebx),
+              "c" (params.ecx),
+              "d" (params.edx));
+#endif
 
        switch (params.return_register) {
        case REG_EAX: