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/*
* Copyright (c) 2016 Oracle and/or its affiliates. All rights reserved.
*
*/
#include "config.h"
#include <xen/types.h>
#include <public/sysctl.h>
/*
* All of the .new_size and .old_addr are based on assumptions that the
* code for 'xen_minor_version' is compiled in specific way. Before
* running this test-case you MUST verify that the assumptions are
* correct (Hint: make debug and look in xen.s).
*/
struct livepatch_func __section(".livepatch.funcs") livepatch_nop = {
.version = LIVEPATCH_PAYLOAD_VERSION,
.old_size = MINOR_VERSION_SZ,
#ifdef CONFIG_X86
.old_addr = (void *)MINOR_VERSION_ADDR,
/* Everything but the last instruction: "req". */
.new_size = MINOR_VERSION_SZ-1,
#endif
#ifdef CONFIG_ARM
.old_addr = (void *)MINOR_VERSION_ADDR,
/*
* On ARM64 we replace the first one: "mov w0, #0x8". While on
* ARM32 we replace all but the return instruction: "bx lr".
*/
.new_size = MINOR_VERSION_SZ-4,
#endif
};
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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