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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
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@ -50,7 +50,7 @@ _x86boot_start:
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movl %cr0, %eax
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orl $(X86_CR0_NW | X86_CR0_CD), %eax
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movl %eax, %cr0
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invd
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wbinvd
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/*
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* Zero the BIST (Built-In Self Test) value since we don't have it.
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@ -28,7 +28,7 @@ start16:
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movl %cr0, %eax
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orl $(X86_CR0_NW | X86_CR0_CD), %eax
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movl %eax, %cr0
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invd
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wbinvd
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/* load the temporary Global Descriptor Table */
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data32 cs lidt idt_ptr
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