diff options
Diffstat (limited to 'arch/x86/realmode/rm/trampoline_64.S')
| -rw-r--r-- | arch/x86/realmode/rm/trampoline_64.S | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S index aee2b45d83b8..251758ed7443 100644 --- a/arch/x86/realmode/rm/trampoline_64.S +++ b/arch/x86/realmode/rm/trampoline_64.S @@ -38,7 +38,7 @@ .code16 .balign PAGE_SIZE -ENTRY(trampoline_start) +SYM_CODE_START(trampoline_start) cli # We should be safe anyway wbinvd @@ -78,12 +78,14 @@ ENTRY(trampoline_start) no_longmode: hlt jmp no_longmode +SYM_CODE_END(trampoline_start) + #include "../kernel/verify_cpu.S" .section ".text32","ax" .code32 .balign 4 -ENTRY(startup_32) +SYM_CODE_START(startup_32) movl %edx, %ss addl $pa_real_mode_base, %esp movl %edx, %ds @@ -137,38 +139,39 @@ ENTRY(startup_32) * the new gdt/idt that has __KERNEL_CS with CS.L = 1. */ ljmpl $__KERNEL_CS, $pa_startup_64 +SYM_CODE_END(startup_32) .section ".text64","ax" .code64 .balign 4 -ENTRY(startup_64) +SYM_CODE_START(startup_64) # Now jump into the kernel using virtual addresses jmpq *tr_start(%rip) +SYM_CODE_END(startup_64) .section ".rodata","a" # Duplicate the global descriptor table # so the kernel can live anywhere .balign 16 - .globl tr_gdt -tr_gdt: +SYM_DATA_START(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: +SYM_DATA_END_LABEL(tr_gdt, SYM_L_LOCAL, tr_gdt_end) .bss .balign PAGE_SIZE -GLOBAL(trampoline_pgd) .space PAGE_SIZE +SYM_DATA(trampoline_pgd, .space PAGE_SIZE) .balign 8 -GLOBAL(trampoline_header) - tr_start: .space 8 - GLOBAL(tr_efer) .space 8 - GLOBAL(tr_cr4) .space 4 - GLOBAL(tr_flags) .space 4 -END(trampoline_header) +SYM_DATA_START(trampoline_header) + SYM_DATA_LOCAL(tr_start, .space 8) + SYM_DATA(tr_efer, .space 8) + SYM_DATA(tr_cr4, .space 4) + SYM_DATA(tr_flags, .space 4) +SYM_DATA_END(trampoline_header) #include "trampoline_common.S" |