mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-28 15:41:40 +00:00
Revert "x86: use invd instead of wbinvd in real mode start code"
This reverts commit 0d67fac29f
.
As real hardware testing (*) shows the above mentioned commit
breaks U-Boot on it. Revert for the upcoming release. We may get
more information in the future and optimize the code accordingly.
(*) on Intel Edison board.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: fix a typo in the commit message]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
parent
38a2a48cd9
commit
fa97ca161b
2 changed files with 2 additions and 2 deletions
|
@ -50,7 +50,7 @@ _x86boot_start:
|
|||
movl %cr0, %eax
|
||||
orl $(X86_CR0_NW | X86_CR0_CD), %eax
|
||||
movl %eax, %cr0
|
||||
invd
|
||||
wbinvd
|
||||
|
||||
/*
|
||||
* Zero the BIST (Built-In Self Test) value since we don't have it.
|
||||
|
|
|
@ -28,7 +28,7 @@ start16:
|
|||
movl %cr0, %eax
|
||||
orl $(X86_CR0_NW | X86_CR0_CD), %eax
|
||||
movl %eax, %cr0
|
||||
invd
|
||||
wbinvd
|
||||
|
||||
/* load the temporary Global Descriptor Table */
|
||||
data32 cs lidt idt_ptr
|
||||
|
|
Loading…
Reference in a new issue