X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=kitten%2Fkernel%2Felf.c;fp=kitten%2Fkernel%2Felf.c;h=99e57ac058daf285bdb2788937809bbc58b89662;hb=66a1a4c7a9edcd7d8bc207aca093d694a6e6b5b2;hp=0000000000000000000000000000000000000000;hpb=f7cf9c19ecb0a589dd45ae0d2c91814bd3c2acc2;p=palacios.git

diff --git a/kitten/kernel/elf.c b/kitten/kernel/elf.c
new file mode 100644
index 0000000..99e57ac
--- /dev/null
+++ b/kitten/kernel/elf.c
@@ -0,0 +1,28 @@
+#include <lwk/kernel.h>
+#include <lwk/cpuinfo.h>
+#include <lwk/elf.h>
+#include <arch/uaccess.h>
+
+int
+elf_hwcap(id_t cpu, uint32_t *hwcap)
+{
+	if (!cpu_isset(cpu, cpu_online_map))
+		return -ENOENT;
+	*hwcap = ELF_HWCAP(cpu);
+	return 0;
+}
+
+int
+sys_elf_hwcap(id_t cpu, uint32_t __user *hwcap)
+{
+	int status;
+	uint32_t _hwcap;
+	
+	if ((status = elf_hwcap(cpu, &_hwcap)) != 0)
+		return status;
+
+	if (hwcap && copy_to_user(hwcap, &_hwcap, sizeof(_hwcap)))
+		return -EINVAL;
+
+	return 0;
+}