startup_xen is still 32-bit aware, even if no longer needed.
Replace the register macros by the 64-bit register names for making
it more readable.
Signed-off-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20211028081221.2475-5-jgross@suse.com
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
/* Clear .bss */
xor %eax,%eax
- mov $__bss_start, %_ASM_DI
- mov $__bss_stop, %_ASM_CX
- sub %_ASM_DI, %_ASM_CX
- shr $__ASM_SEL(2, 3), %_ASM_CX
- rep __ASM_SIZE(stos)
+ mov $__bss_start, %rdi
+ mov $__bss_stop, %rcx
+ sub %rdi, %rcx
+ shr $3, %rcx
+ rep stosq
- mov %_ASM_SI, xen_start_info
+ mov %rsi, xen_start_info
mov initial_stack(%rip), %rsp
/* Set up %gs.