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ACPICA: acpiexec: Add support for AML files containing multiple tables

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ACPICA commit 301f16e4037275888f65b88aec7231c1cd64339f

Add support for multi-AML-table files that originate from
either acpixtract or iASL.

Link: https://github.com/acpica/acpica/commit/301f16e4
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore 2015-12-29 13:54:51 +08:00 committed by Rafael J. Wysocki
parent 5df2e3ed04
commit 675dfa0af8
2 changed files with 27 additions and 0 deletions
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4
drivers/acpi/acpica/acutils.h
View File

@ -356,6 +356,10 @@ acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node,
* utfileio - file operations
*/
#ifdef ACPI_APPLICATION
acpi_status
acpi_ut_read_tables_from_file(FILE * file, struct acpi_table_header **table);
acpi_status
acpi_ut_read_table_from_file(char *filename, struct acpi_table_header **table);
#endif

23
drivers/acpi/acpica/utfileio.c
View File

@ -291,6 +291,29 @@ acpi_ut_read_table(FILE * fp,
*
******************************************************************************/
acpi_status
acpi_ut_read_tables_from_file(FILE * file, struct acpi_table_header ** table)
{
struct acpi_table_header table_header;
s32 count;
long position;
position = ftell(file);
count = fread(&table_header, 1, sizeof(struct acpi_table_header), file);
if (count < sizeof(struct acpi_table_header)) {
return (AE_CTRL_TERMINATE);
}
/* Allocate a buffer for the table */
*table = acpi_os_allocate((size_t) table_header.length);
fseek(file, position, SEEK_SET);
count = fread(*table, 1, table_header.length, file);
return (AE_OK);
}
acpi_status
acpi_ut_read_table_from_file(char *filename, struct acpi_table_header ** table)
{