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Diffstat (limited to 'arch/x86/include/asm/boot.h')
-rw-r--r--arch/x86/include/asm/boot.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h
index 3f02ff6d333d..02b23aa78955 100644
--- a/arch/x86/include/asm/boot.h
+++ b/arch/x86/include/asm/boot.h
@@ -74,6 +74,11 @@
# define BOOT_STACK_SIZE 0x1000
#endif
+#define TRAMPOLINE_32BIT_SIZE (2 * PAGE_SIZE)
+
+#define TRAMPOLINE_32BIT_CODE_OFFSET PAGE_SIZE
+#define TRAMPOLINE_32BIT_CODE_SIZE 0xA0
+
#ifndef __ASSEMBLER__
extern unsigned int output_len;
extern const unsigned long kernel_text_size;
@@ -83,6 +88,11 @@ unsigned long decompress_kernel(unsigned char *outbuf, unsigned long virt_addr,
void (*error)(char *x));
extern struct boot_params *boot_params_ptr;
+extern unsigned long *trampoline_32bit;
+extern const u16 trampoline_ljmp_imm_offset;
+
+void trampoline_32bit_src(void *trampoline, bool enable_5lvl);
+
#endif
#endif /* _ASM_X86_BOOT_H */