3 #include <asm/trampoline.h>
6 /* ready for x86_64 and x86 */
7 unsigned char *trampoline_base
= __va(TRAMPOLINE_BASE
);
9 void __init
reserve_trampoline_memory(void)
13 * But first pinch a few for the stack/trampoline stuff
14 * FIXME: Don't need the extra page at 4K, but need to fix
15 * trampoline before removing it. (see the GDT stuff)
17 reserve_early(PAGE_SIZE
, PAGE_SIZE
+ PAGE_SIZE
, "EX TRAMPOLINE");
19 /* Has to be in very low memory so we can execute real-mode AP code. */
20 reserve_early(TRAMPOLINE_BASE
, TRAMPOLINE_BASE
+ TRAMPOLINE_SIZE
,
25 * Currently trivial. Write the real->protected mode
26 * bootstrap into the page concerned. The caller
27 * has made sure it's suitably aligned.
29 unsigned long setup_trampoline(void)
31 memcpy(trampoline_base
, trampoline_data
, TRAMPOLINE_SIZE
);
32 return virt_to_phys(trampoline_base
);
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