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Diffstat (limited to 'arch/x86/boot/compressed/aslr.c')
-rw-r--r--arch/x86/boot/compressed/aslr.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/aslr.c b/arch/x86/boot/compressed/aslr.c
new file mode 100644
index 000000000000..b73cc66d201e
--- /dev/null
+++ b/arch/x86/boot/compressed/aslr.c
@@ -0,0 +1,23 @@
+#include "misc.h"
+
+#ifdef CONFIG_RANDOMIZE_BASE
+
+unsigned char *choose_kernel_location(unsigned char *input,
+ unsigned long input_size,
+ unsigned char *output,
+ unsigned long output_size)
+{
+ unsigned long choice = (unsigned long)output;
+
+ if (cmdline_find_option_bool("nokaslr")) {
+ debug_putstr("KASLR disabled...\n");
+ goto out;
+ }
+
+ /* XXX: choose random location. */
+
+out:
+ return (unsigned char *)choice;
+}
+
+#endif /* CONFIG_RANDOMIZE_BASE */
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