acpi.h File Reference

ACPI data structures. More...

#include <stdint.h>

Go to the source code of this file.

Data Structures
struct	acpi_description_header
	An ACPI description header. More...
Functions
	FILE_LICENCE (GPL2_OR_LATER)
void	acpi_fix_checksum (struct acpi_description_header *acpi)
	Fix up ACPI table checksum.
Variables
struct acpi_description_header	packed
	An ACPI description header.

---

Detailed Description

ACPI data structures.

Definition in file acpi.h.

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Function Documentation

FILE_LICENCE

(

GPL2_OR_LATER

)

void acpi_fix_checksum

(

struct acpi_description_header *

acpi

)

Fix up ACPI table checksum.

Parameters:

acpi

ACPI table header

Definition at line 34 of file acpi.c.

References acpi_description_header::checksum, and acpi_description_header::length.

Referenced by abft_fill_data(), ibft_fill_data(), and sbft_fill_data().

                                                                {
        unsigned int i = 0;
        uint8_t sum = 0;

        for ( i = 0 ; i < acpi->length ; i++ ) {
                sum += *( ( ( uint8_t * ) acpi ) + i );
        }
        acpi->checksum -= sum;
}

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Variable Documentation

struct acpi_description_header packed

An ACPI description header.

This is the structure common to the start of all ACPI system description tables.