ACPICA: Lint changes
Lint changes Move RSDT/XSDT pointer extraction to separate function Warning on 32-bit platforms if XSDT pointers use more than 32 bits. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
parent
4bf273939c
commit
a4bbb810de
|
@ -60,6 +60,10 @@ static void inline
|
|||
acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct,
|
||||
u8 bit_width, u64 address);
|
||||
|
||||
static acpi_physical_address
|
||||
acpi_tb_get_root_table_entry(u8 * table_entry,
|
||||
acpi_native_uint table_entry_size);
|
||||
|
||||
/* Table used for conversion of FADT to common format */
|
||||
|
||||
typedef struct acpi_fadt_conversion {
|
||||
|
@ -126,10 +130,14 @@ acpi_tb_print_table_header(acpi_physical_address address,
|
|||
|
||||
ACPI_INFO((AE_INFO, "RSDP @ 0x%p/0x%04X (v%3.3d %6.6s)",
|
||||
ACPI_CAST_PTR(void, address),
|
||||
(((struct acpi_table_rsdp *)header)->revision > 0) ?
|
||||
((struct acpi_table_rsdp *)header)->length : 20,
|
||||
((struct acpi_table_rsdp *)header)->revision,
|
||||
((struct acpi_table_rsdp *)header)->oem_id));
|
||||
(ACPI_CAST_PTR(struct acpi_table_rsdp, header)->
|
||||
revision >
|
||||
0) ? ACPI_CAST_PTR(struct acpi_table_rsdp,
|
||||
header)->length : 20,
|
||||
ACPI_CAST_PTR(struct acpi_table_rsdp,
|
||||
header)->revision,
|
||||
ACPI_CAST_PTR(struct acpi_table_rsdp,
|
||||
header)->oem_id));
|
||||
} else {
|
||||
/* Standard ACPI table with full common header */
|
||||
|
||||
|
@ -278,8 +286,8 @@ static void acpi_tb_convert_fadt(void)
|
|||
}
|
||||
|
||||
/*
|
||||
* Expand the V1.0 addresses to the "X" generic address structs,
|
||||
* as necessary.
|
||||
* Expand the 32-bit V1.0 addresses to the 64-bit "X" generic address
|
||||
* structures as necessary.
|
||||
*/
|
||||
for (i = 0; i < ACPI_FADT_CONVERSION_ENTRIES; i++) {
|
||||
target =
|
||||
|
@ -294,10 +302,11 @@ static void acpi_tb_convert_fadt(void)
|
|||
&acpi_gbl_FADT,
|
||||
fadt_conversion_table
|
||||
[i].length),
|
||||
*ACPI_ADD_PTR(u32,
|
||||
&acpi_gbl_FADT,
|
||||
fadt_conversion_table
|
||||
[i].source));
|
||||
(u64) * ACPI_ADD_PTR(u32,
|
||||
&acpi_gbl_FADT,
|
||||
fadt_conversion_table
|
||||
[i].
|
||||
source));
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -444,7 +453,7 @@ static void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags)
|
|||
|
||||
/* Copy the entire FADT locally */
|
||||
|
||||
ACPI_MEMSET(&acpi_gbl_FADT, sizeof(struct acpi_table_fadt), 0);
|
||||
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)));
|
||||
|
@ -463,6 +472,61 @@ static void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags)
|
|||
flags, ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS);
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_tb_get_root_table_entry
|
||||
*
|
||||
* PARAMETERS: table_entry - Pointer to the RSDT/XSDT table entry
|
||||
* table_entry_size - sizeof 32 or 64 (RSDT or XSDT)
|
||||
*
|
||||
* RETURN: Physical address extracted from the root table
|
||||
*
|
||||
* DESCRIPTION: Get one root table entry. Handles 32-bit and 64-bit cases on
|
||||
* both 32-bit and 64-bit platforms
|
||||
*
|
||||
* NOTE: acpi_physical_address is 32-bit on 32-bit platforms, 64-bit on
|
||||
* 64-bit platforms.
|
||||
*
|
||||
******************************************************************************/
|
||||
|
||||
static acpi_physical_address
|
||||
acpi_tb_get_root_table_entry(u8 * table_entry,
|
||||
acpi_native_uint table_entry_size)
|
||||
{
|
||||
u64 address64;
|
||||
|
||||
/*
|
||||
* Get the table physical address (32-bit for RSDT, 64-bit for XSDT):
|
||||
* Note: Addresses are 32-bit aligned (not 64) in both RSDT and XSDT
|
||||
*/
|
||||
if (table_entry_size == sizeof(u32)) {
|
||||
/*
|
||||
* 32-bit platform, RSDT: Return 32-bit table entry
|
||||
* 64-bit platform, RSDT: Expand 32-bit to 64-bit and return
|
||||
*/
|
||||
return ((acpi_physical_address)
|
||||
(*ACPI_CAST_PTR(u32, table_entry)));
|
||||
} else {
|
||||
/*
|
||||
* 32-bit platform, XSDT: Truncate 64-bit to 32-bit and return
|
||||
* 64-bit platform, XSDT: Move (unaligned) 64-bit to local, return 64-bit
|
||||
*/
|
||||
ACPI_MOVE_64_TO_64(&address64, table_entry);
|
||||
|
||||
#if ACPI_MACHINE_WIDTH == 32
|
||||
if (address64 > ACPI_UINT32_MAX) {
|
||||
|
||||
/* Will truncate 64-bit address to 32 bits */
|
||||
|
||||
ACPI_WARNING((AE_INFO,
|
||||
"64-bit Physical Address in XSDT is too large (%8.8X%8.8X), truncating",
|
||||
ACPI_FORMAT_UINT64(address64)));
|
||||
}
|
||||
#endif
|
||||
return ((acpi_physical_address) (address64));
|
||||
}
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_tb_parse_root_table
|
||||
|
@ -567,8 +631,8 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags)
|
|||
/* Calculate the number of tables described in the root table */
|
||||
|
||||
table_count =
|
||||
(table->length -
|
||||
sizeof(struct acpi_table_header)) / table_entry_size;
|
||||
(u32) ((table->length -
|
||||
sizeof(struct acpi_table_header)) / table_entry_size);
|
||||
|
||||
/*
|
||||
* First two entries in the table array are reserved for the DSDT and FACS,
|
||||
|
@ -599,32 +663,11 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags)
|
|||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Get the table physical address (32-bit for RSDT, 64-bit for XSDT)
|
||||
*/
|
||||
if ((table_entry_size == sizeof(u32)) ||
|
||||
(sizeof(acpi_physical_address) == sizeof(u32))) {
|
||||
/*
|
||||
* 32-bit platform, RSDT: Move 32-bit to 32-bit
|
||||
* 32-bit platform, XSDT: Truncate 64-bit to 32-bit
|
||||
* 64-bit platform, RSDT: Expand 32-bit to 64-bit
|
||||
*
|
||||
* Note: Addresses are 32-bit aligned in both RSDT and XSDT
|
||||
*/
|
||||
acpi_gbl_root_table_list.
|
||||
tables[acpi_gbl_root_table_list.count].address =
|
||||
(acpi_physical_address) (*ACPI_CAST_PTR
|
||||
(u32, table_entry));
|
||||
} else {
|
||||
/*
|
||||
* 64-bit platform, XSDT: Move 64-bit to 64-bit
|
||||
*
|
||||
* Note: 64-bit addresses are only 32-bit aligned in the XSDT
|
||||
*/
|
||||
ACPI_MOVE_64_TO_64(&acpi_gbl_root_table_list.
|
||||
tables[acpi_gbl_root_table_list.
|
||||
count].address, table_entry);
|
||||
}
|
||||
/* Get the table physical address (32-bit for RSDT, 64-bit for XSDT) */
|
||||
|
||||
acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].
|
||||
address =
|
||||
acpi_tb_get_root_table_entry(table_entry, table_entry_size);
|
||||
|
||||
table_entry += table_entry_size;
|
||||
acpi_gbl_root_table_list.count++;
|
||||
|
|
|
@ -102,9 +102,9 @@ acpi_initialize_tables(struct acpi_table_desc *initial_table_array,
|
|||
} else {
|
||||
/* Root Table Array has been statically allocated by the host */
|
||||
|
||||
ACPI_MEMSET(initial_table_array,
|
||||
ACPI_MEMSET(initial_table_array, 0,
|
||||
initial_table_count *
|
||||
sizeof(struct acpi_table_desc), 0);
|
||||
sizeof(struct acpi_table_desc));
|
||||
|
||||
acpi_gbl_root_table_list.tables = initial_table_array;
|
||||
acpi_gbl_root_table_list.size = initial_table_count;
|
||||
|
|
Loading…
Reference in a new issue