x86, realmode: Move bits to the proper sections in trampoline_64.S
Move various bits to the sections they really belong in in trampoline_64.S. Use GLOBAL() rather than ENTRY() for data objects: ENTRY() should only be used with code and forces alignment to 16 bytes. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/r/1336501366-28617-11-git-send-email-jarkko.sakkinen@intel.com
This commit is contained in:
parent
487f50ffeb
commit
0247428611
|
@ -80,6 +80,7 @@ no_longmode:
|
|||
jmp no_longmode
|
||||
#include "../kernel/verify_cpu.S"
|
||||
|
||||
.section ".text32","ax"
|
||||
.code32
|
||||
.balign 4
|
||||
ENTRY(startup_32)
|
||||
|
@ -114,6 +115,7 @@ ENTRY(startup_32)
|
|||
*/
|
||||
ljmpl *(pa_startup_64_vector)
|
||||
|
||||
.section ".text64","ax"
|
||||
.code64
|
||||
.balign 4
|
||||
ENTRY(startup_64)
|
||||
|
@ -123,7 +125,8 @@ ENTRY(startup_64)
|
|||
addl %esi, %eax
|
||||
jmp *%rax
|
||||
|
||||
# Careful these need to be in the same 64K segment as the above;
|
||||
.section ".rodata","a"
|
||||
.balign 16
|
||||
tidt:
|
||||
.word 0 # idt limit = 0
|
||||
.word 0, 0 # idt base = 0L
|
||||
|
@ -153,9 +156,8 @@ startup_64_vector:
|
|||
.word __KERNEL_CS, 0
|
||||
|
||||
.data
|
||||
|
||||
.balign 4
|
||||
ENTRY(trampoline_status)
|
||||
GLOBAL(trampoline_status)
|
||||
.long 0
|
||||
|
||||
trampoline_stack:
|
||||
|
@ -164,7 +166,7 @@ trampoline_stack_end:
|
|||
|
||||
.globl level3_ident_pgt
|
||||
.globl level3_kernel_pgt
|
||||
ENTRY(trampoline_level4_pgt)
|
||||
GLOBAL(trampoline_level4_pgt)
|
||||
level3_ident_pgt: .quad 0
|
||||
.fill 510,8,0
|
||||
level3_kernel_pgt: .quad 0
|
||||
|
|
Loading…
Reference in a new issue