07201d7a0f
- Remove copyright notices and add authors to AUTHORS - Use SPDX license identifiers for all files - Add coreinfo to the license header lint Signed-off-by: Jacob Garber <jgarber1@ualberta.ca> Change-Id: Ib0c5328a4027849b1eda4f57141a898335230726 Reviewed-on: https://review.coreboot.org/c/coreboot/+/45178 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Reviewed-by: Martin Roth <martinroth@google.com> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
51 lines
718 B
ArmAsm
51 lines
718 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
|
|
/* It is derived from the x86info project, which is GPLv2-licensed. */
|
|
|
|
/* calling syntax: docpuid(idx,eax,ebx,ecx,edx) */
|
|
|
|
.align 4
|
|
.text
|
|
|
|
.global docpuid
|
|
.type docpuid,@function
|
|
|
|
docpuid:
|
|
pushl %ebp
|
|
movl %esp, %ebp
|
|
pushl %edi
|
|
pushl %ebx
|
|
pushl %ecx
|
|
pushl %edx
|
|
movl 8(%ebp),%eax
|
|
cpuid
|
|
movl 12(%ebp),%edi
|
|
test %edi,%edi
|
|
jz L1
|
|
movl %eax, (%edi)
|
|
|
|
L1: movl 16(%ebp),%edi
|
|
test %edi,%edi
|
|
jz L2
|
|
movl %ebx,(%edi)
|
|
|
|
L2: movl 20(%ebp),%edi
|
|
test %edi,%edi
|
|
jz L3
|
|
movl %ecx,(%edi)
|
|
|
|
L3: movl 24(%ebp), %edi
|
|
test %edi,%edi
|
|
jz L4
|
|
movl %edx,(%edi)
|
|
|
|
L4: popl %edx
|
|
popl %ecx
|
|
popl %ebx
|
|
popl %edi
|
|
movl %ebp,%esp
|
|
popl %ebp
|
|
ret
|
|
|
|
.section .note.GNU-stack,"", @progbits
|