| .section ".rodata","a" |
| |
| #ifdef CONFIG_X86_64 |
| # Duplicate the global descriptor table |
| # so the kernel can live anywhere |
| .balign 16 |
| .globl tr_gdt |
| tr_gdt: |
| .short tr_gdt_end - tr_gdt - 1 # gdt limit |
| .long pa_tr_gdt |
| .short 0 |
| .quad 0x00cf9b000000ffff # __KERNEL32_CS |
| .quad 0x00af9b000000ffff # __KERNEL_CS |
| .quad 0x00cf93000000ffff # __KERNEL_DS |
| tr_gdt_end: |
| #endif |
| |
| .balign 4 |
| tr_idt: .fill 1, 6, 0 |
| |
| .bss |
| |
| .balign 4 |
| GLOBAL(trampoline_status) .space 4 |
| |
| .balign 8 |
| GLOBAL(trampoline_header) |
| #ifdef CONFIG_X86_32 |
| tr_start: .space 4 |
| tr_gdt_pad: .space 2 |
| tr_gdt: .space 6 |
| #else |
| tr_start: .space 8 |
| GLOBAL(tr_cr4) .space 4 |
| GLOBAL(tr_efer) .space 8 |
| #endif |
| END(trampoline_header) |
| |
| #ifdef CONFIG_X86_64 |
| .balign PAGE_SIZE |
| GLOBAL(trampoline_pgd) .space PAGE_SIZE |
| #endif |
