diff options
Diffstat (limited to 'arch/x86/include/asm/boot.h')
| -rw-r--r-- | arch/x86/include/asm/boot.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h index 3e5b111e619d..02b23aa78955 100644 --- a/arch/x86/include/asm/boot.h +++ b/arch/x86/include/asm/boot.h @@ -74,7 +74,12 @@ # define BOOT_STACK_SIZE 0x1000 #endif -#ifndef __ASSEMBLY__ +#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; extern const unsigned long kernel_total_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 */ |