ACPICA: New common routine for creating and verifying a local FADT.
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>wifi-calibration
Bob Moore
Len Brown
parent
13b572a35e
commit
7139284460
|
|
@ -52,6 +52,10 @@ static void inline
|
|||
acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
|
||||
u8 bit_width, u64 address);
|
||||
|
||||
static void acpi_tb_convert_fadt(void);
|
||||
|
||||
static void acpi_tb_validate_fadt(void);
|
||||
|
||||
/* Table for conversion of FADT to common internal format and FADT validation */
|
||||
|
||||
typedef struct acpi_fadt_info {
|
||||
|
|
@ -178,34 +182,14 @@ void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags)
|
|||
*/
|
||||
(void)acpi_tb_verify_checksum(table, length);
|
||||
|
||||
/*
|
||||
* If the FADT is larger than what we know about, we have a problem.
|
||||
* Truncate the table, but make some noise.
|
||||
*/
|
||||
if (length > sizeof(struct acpi_table_fadt)) {
|
||||
ACPI_WARNING((AE_INFO,
|
||||
"FADT (revision %u) is too large, truncating length 0x%X to 0x%X",
|
||||
table->revision, length,
|
||||
sizeof(struct acpi_table_fadt)));
|
||||
}
|
||||
/* Obtain a local copy of the FADT in common ACPI 2.0+ format */
|
||||
|
||||
/* Copy the entire FADT locally. Zero first for tb_convert_fadt */
|
||||
|
||||
ACPI_MEMSET(&acpi_gbl_FADT, 0, sizeof(struct acpi_table_fadt));
|
||||
ACPI_MEMCPY(&acpi_gbl_FADT, table,
|
||||
ACPI_MIN(length, sizeof(struct acpi_table_fadt)));
|
||||
acpi_tb_create_local_fadt(table, length);
|
||||
|
||||
/* All done with the real FADT, unmap it */
|
||||
|
||||
acpi_os_unmap_memory(table, length);
|
||||
|
||||
/*
|
||||
* 1) Convert the local copy of the FADT to the common internal format
|
||||
* 2) Validate some of the important values within the FADT
|
||||
*/
|
||||
acpi_tb_convert_fadt();
|
||||
acpi_tb_validate_fadt(&acpi_gbl_FADT);
|
||||
|
||||
/* Obtain the DSDT and FACS tables via their addresses within the FADT */
|
||||
|
||||
acpi_tb_install_table((acpi_physical_address) acpi_gbl_FADT.Xdsdt,
|
||||
|
|
@ -215,6 +199,49 @@ void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags)
|
|||
flags, ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS);
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_tb_create_local_fadt
|
||||
*
|
||||
* PARAMETERS: Table - Pointer to BIOS FADT
|
||||
* Length - Length of the table
|
||||
*
|
||||
* RETURN: None
|
||||
*
|
||||
* DESCRIPTION: Get a local copy of the FADT and convert it to a common format.
|
||||
* Performs validation on some important FADT fields.
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length)
|
||||
{
|
||||
|
||||
/*
|
||||
* Check if the FADT is larger than what we know about (ACPI 2.0 version).
|
||||
* Truncate the table, but make some noise.
|
||||
*/
|
||||
if (length > sizeof(struct acpi_table_fadt)) {
|
||||
ACPI_WARNING((AE_INFO,
|
||||
"FADT (revision %u) is longer than ACPI 2.0 version, truncating length 0x%X to 0x%X",
|
||||
table->revision, length,
|
||||
sizeof(struct acpi_table_fadt)));
|
||||
}
|
||||
|
||||
/* Copy the entire FADT locally. Zero first for tb_convert_fadt */
|
||||
|
||||
ACPI_MEMSET(&acpi_gbl_FADT, 0, sizeof(struct acpi_table_fadt));
|
||||
|
||||
ACPI_MEMCPY(&acpi_gbl_FADT, table,
|
||||
ACPI_MIN(length, sizeof(struct acpi_table_fadt)));
|
||||
|
||||
/*
|
||||
* 1) Convert the local copy of the FADT to the common internal format
|
||||
* 2) Validate some of the important values within the FADT
|
||||
*/
|
||||
acpi_tb_convert_fadt();
|
||||
acpi_tb_validate_fadt();
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_tb_convert_fadt
|
||||
|
|
@ -244,7 +271,7 @@ void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags)
|
|||
*
|
||||
******************************************************************************/
|
||||
|
||||
void acpi_tb_convert_fadt(void)
|
||||
static void acpi_tb_convert_fadt(void)
|
||||
{
|
||||
u8 pm1_register_length;
|
||||
struct acpi_generic_address *target;
|
||||
|
|
@ -337,7 +364,7 @@ void acpi_tb_convert_fadt(void)
|
|||
*
|
||||
******************************************************************************/
|
||||
|
||||
void acpi_tb_validate_fadt(struct acpi_table_fadt *table)
|
||||
static void acpi_tb_validate_fadt(void)
|
||||
{
|
||||
u32 *address32;
|
||||
struct acpi_generic_address *address64;
|
||||
|
|
@ -351,10 +378,14 @@ void acpi_tb_validate_fadt(struct acpi_table_fadt *table)
|
|||
/* Generate pointers to the 32-bit and 64-bit addresses and get the length */
|
||||
|
||||
address64 =
|
||||
ACPI_ADD_PTR(struct acpi_generic_address, table,
|
||||
ACPI_ADD_PTR(struct acpi_generic_address, &acpi_gbl_FADT,
|
||||
fadt_info_table[i].target);
|
||||
address32 = ACPI_ADD_PTR(u32, table, fadt_info_table[i].source);
|
||||
length = *ACPI_ADD_PTR(u8, table, fadt_info_table[i].length);
|
||||
address32 =
|
||||
ACPI_ADD_PTR(u32, &acpi_gbl_FADT,
|
||||
fadt_info_table[i].source);
|
||||
length =
|
||||
*ACPI_ADD_PTR(u8, &acpi_gbl_FADT,
|
||||
fadt_info_table[i].length);
|
||||
|
||||
if (fadt_info_table[i].type & ACPI_FADT_REQUIRED) {
|
||||
/*
|
||||
|
|
|
|||
|
|
@ -51,9 +51,7 @@ acpi_status acpi_allocate_root_table(u32 initial_table_count);
|
|||
*/
|
||||
void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags);
|
||||
|
||||
void acpi_tb_convert_fadt(void);
|
||||
|
||||
void acpi_tb_validate_fadt(struct acpi_table_fadt *table);
|
||||
void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length);
|
||||
|
||||
/*
|
||||
* tbfind - find ACPI table
|
||||
|
|
|
|||
Loading…
Reference in New Issue