x86: acpi: Align FACS table to a 64 byte boundary
Per ACPI spec, the FACS table address must be aligned to a 64 byte boundary (Windows checks this, but Linux does not). Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
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@ -339,7 +339,11 @@ u32 write_acpi_tables(u32 start)
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current = ALIGN(current, 16);
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xsdt = (struct acpi_xsdt *)current;
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current += sizeof(struct acpi_xsdt);
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current = ALIGN(current, 16);
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/*
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* Per ACPI spec, the FACS table address must be aligned to a 64 byte
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* boundary (Windows checks this, but Linux does not).
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*/
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current = ALIGN(current, 64);
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/* clear all table memory */
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memset((void *)start, 0, current - start);
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