diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/acpica/acutils.h | 4 | ||||
| -rw-r--r-- | drivers/acpi/acpica/utfileio.c | 23 |
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index 749542185781..5d3ae91a4152 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -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 diff --git a/drivers/acpi/acpica/utfileio.c b/drivers/acpi/acpica/utfileio.c index be49c719f1f5..e72948606039 100644 --- a/drivers/acpi/acpica/utfileio.c +++ b/drivers/acpi/acpica/utfileio.c @@ -292,6 +292,29 @@ 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) { FILE *file; |