diff options
Diffstat (limited to 'arch/x86/kernel/trampoline.c')
| -rw-r--r-- | arch/x86/kernel/trampoline.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c deleted file mode 100644 index 808031a5ba1..00000000000 --- a/arch/x86/kernel/trampoline.c +++ /dev/null @@ -1,33 +0,0 @@ -#include <linux/io.h> - -#include <asm/trampoline.h> -#include <asm/e820.h> - -/* ready for x86_64 and x86 */ -unsigned char *trampoline_base = __va(TRAMPOLINE_BASE); - -void __init reserve_trampoline_memory(void) -{ -#ifdef CONFIG_X86_32 - /* - * But first pinch a few for the stack/trampoline stuff - * FIXME: Don't need the extra page at 4K, but need to fix - * trampoline before removing it. (see the GDT stuff) - */ - reserve_early(PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE"); -#endif - /* Has to be in very low memory so we can execute real-mode AP code. */ - reserve_early(TRAMPOLINE_BASE, TRAMPOLINE_BASE + TRAMPOLINE_SIZE, - "TRAMPOLINE"); -} - -/* - * Currently trivial. Write the real->protected mode - * bootstrap into the page concerned. The caller - * has made sure it's suitably aligned. - */ -unsigned long setup_trampoline(void) -{ - memcpy(trampoline_base, trampoline_data, TRAMPOLINE_SIZE); - return virt_to_phys(trampoline_base); -} |