void
acpi_tb_print_table_header(acpi_physical_address address,
struct acpi_table_header *header)
{
struct acpi_table_header local_header;
if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_FACS)) {
/* FACS only has signature and length fields */
ACPI_INFO((AE_INFO, "%-4.4s 0x%8.8X%8.8X %06X",
header->signature, ACPI_FORMAT_UINT64(address),
header->length));
} else if (ACPI_VALIDATE_RSDP_SIG(header->signature)) {
/* RSDP has no common fields */
ACPI_MEMCPY(local_header.oem_id,
ACPI_CAST_PTR(struct acpi_table_rsdp,
header)->oem_id, ACPI_OEM_ID_SIZE);
acpi_tb_fix_string(local_header.oem_id, ACPI_OEM_ID_SIZE);
ACPI_INFO((AE_INFO, "RSDP 0x%8.8X%8.8X %06X (v%.2d %-6.6s)",
ACPI_FORMAT_UINT64(address),
(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,
local_header.oem_id));
} else {
BOOLEAN
ApIsValidHeader (
ACPI_TABLE_HEADER *Table)
{
if (!ACPI_VALIDATE_RSDP_SIG (Table->Signature))
{
/* Make sure signature is all ASCII and a valid ACPI name */
if (!AcpiUtValidAcpiName (Table->Signature))
{
AcpiLogError ("Table signature (0x%8.8X) is invalid\n",
*(UINT32 *) Table->Signature);
return (FALSE);
}
/* Check for minimum table length */
if (Table->Length < sizeof (ACPI_TABLE_HEADER))
{
AcpiLogError ("Table length (0x%8.8X) is invalid\n",
Table->Length);
return (FALSE);
}
}
return (TRUE);
}
ACPI_STATUS
AcpiTbValidateRsdp (
ACPI_TABLE_RSDP *Rsdp)
{
/*
* The signature and checksum must both be correct
*
* Note: Sometimes there exists more than one RSDP in memory; the valid
* RSDP has a valid checksum, all others have an invalid checksum.
*/
if (!ACPI_VALIDATE_RSDP_SIG (Rsdp->Signature))
{
/* Nope, BAD Signature */
return (AE_BAD_SIGNATURE);
}
/* Check the standard checksum */
if (AcpiTbChecksum ((UINT8 *) Rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0)
{
return (AE_BAD_CHECKSUM);
}
/* Check extended checksum if table version >= 2 */
if ((Rsdp->Revision >= 2) &&
(AcpiTbChecksum ((UINT8 *) Rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0))
{
return (AE_BAD_CHECKSUM);
}
return (AE_OK);
}
BOOLEAN
ApIsValidChecksum (
ACPI_TABLE_HEADER *Table)
{
ACPI_STATUS Status;
ACPI_TABLE_RSDP *Rsdp;
if (ACPI_VALIDATE_RSDP_SIG (Table->Signature))
{
/*
* Checksum for RSDP.
* Note: Other checksums are computed during the table dump.
*/
Rsdp = ACPI_CAST_PTR (ACPI_TABLE_RSDP, Table);
Status = AcpiTbValidateRsdp (Rsdp);
}
else
{
Status = AcpiTbVerifyChecksum (Table, Table->Length);
}
if (ACPI_FAILURE (Status))
{
AcpiLogError ("%4.4s: Warning: wrong checksum in table\n",
Table->Signature);
}
return (AE_OK);
}
acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp)
{
/*
* The signature and checksum must both be correct
*
* Note: Sometimes there exists more than one RSDP in memory; the valid
* RSDP has a valid checksum, all others have an invalid checksum.
*/
if (!ACPI_VALIDATE_RSDP_SIG(rsdp->signature)) {
/* Nope, BAD Signature */
return (AE_BAD_SIGNATURE);
}
/* Check the standard checksum */
if (acpi_tb_checksum((u8 *) rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
return (AE_BAD_CHECKSUM);
}
/* Check extended checksum if table version >= 2 */
if ((rsdp->revision >= 2) &&
(acpi_tb_checksum((u8 *) rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) {
return (AE_BAD_CHECKSUM);
}
return (AE_OK);
}
void
AcpiTbPrintTableHeader (
ACPI_PHYSICAL_ADDRESS Address,
ACPI_TABLE_HEADER *Header)
{
ACPI_TABLE_HEADER LocalHeader;
/*
* The reason that we use ACPI_PRINTF_UINT and ACPI_FORMAT_TO_UINT is to
* support both 32-bit and 64-bit hosts/addresses in a consistent manner.
* The %p specifier does not emit uniform output on all hosts. On some,
* leading zeros are not supported.
*/
if (ACPI_COMPARE_NAME (Header->Signature, ACPI_SIG_FACS))
{
/* FACS only has signature and length fields */
ACPI_INFO ((AE_INFO, "%-4.4s " ACPI_PRINTF_UINT " %06X",
Header->Signature, ACPI_FORMAT_TO_UINT (Address),
Header->Length));
}
else if (ACPI_VALIDATE_RSDP_SIG (Header->Signature))
{
/* RSDP has no common fields */
ACPI_MEMCPY (LocalHeader.OemId,
ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->OemId, ACPI_OEM_ID_SIZE);
AcpiTbFixString (LocalHeader.OemId, ACPI_OEM_ID_SIZE);
ACPI_INFO ((AE_INFO, "RSDP " ACPI_PRINTF_UINT " %06X (v%.2d %-6.6s)",
ACPI_FORMAT_TO_UINT (Address),
(ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Revision > 0) ?
ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Length : 20,
ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Revision,
LocalHeader.OemId));
}
else
{
/* Standard ACPI table with full common header */
AcpiTbCleanupTableHeader (&LocalHeader, Header);
ACPI_INFO ((AE_INFO,
"%-4.4s " ACPI_PRINTF_UINT
" %06X (v%.2d %-6.6s %-8.8s %08X %-4.4s %08X)",
LocalHeader.Signature, ACPI_FORMAT_TO_UINT (Address),
LocalHeader.Length, LocalHeader.Revision, LocalHeader.OemId,
LocalHeader.OemTableId, LocalHeader.OemRevision,
LocalHeader.AslCompilerId, LocalHeader.AslCompilerRevision));
}
}
u8 ap_is_valid_checksum(struct acpi_table_header *table)
{
acpi_status status;
struct acpi_table_rsdp *rsdp;
if (ACPI_VALIDATE_RSDP_SIG(table->signature)) {
/*
* Checksum for RSDP.
* Note: Other checksums are computed during the table dump.
*/
rsdp = ACPI_CAST_PTR(struct acpi_table_rsdp, table);
status = acpi_tb_validate_rsdp(rsdp);
} else {
void
AcpiTbPrintTableHeader (
ACPI_PHYSICAL_ADDRESS Address,
ACPI_TABLE_HEADER *Header)
{
ACPI_TABLE_HEADER LocalHeader;
if (ACPI_COMPARE_NAME (Header->Signature, ACPI_SIG_FACS))
{
/* FACS only has signature and length fields */
ACPI_INFO (("%-4.4s 0x%8.8X%8.8X %06X",
Header->Signature, ACPI_FORMAT_UINT64 (Address),
Header->Length));
}
else if (ACPI_VALIDATE_RSDP_SIG (Header->Signature))
{
/* RSDP has no common fields */
memcpy (LocalHeader.OemId, ACPI_CAST_PTR (ACPI_TABLE_RSDP,
Header)->OemId, ACPI_OEM_ID_SIZE);
AcpiTbFixString (LocalHeader.OemId, ACPI_OEM_ID_SIZE);
ACPI_INFO (("RSDP 0x%8.8X%8.8X %06X (v%.2d %-6.6s)",
ACPI_FORMAT_UINT64 (Address),
(ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Revision > 0) ?
ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Length : 20,
ACPI_CAST_PTR (ACPI_TABLE_RSDP, Header)->Revision,
LocalHeader.OemId));
}
else
{
/* Standard ACPI table with full common header */
AcpiTbCleanupTableHeader (&LocalHeader, Header);
ACPI_INFO ((
"%-4.4s 0x%8.8X%8.8X"
" %06X (v%.2d %-6.6s %-8.8s %08X %-4.4s %08X)",
LocalHeader.Signature, ACPI_FORMAT_UINT64 (Address),
LocalHeader.Length, LocalHeader.Revision, LocalHeader.OemId,
LocalHeader.OemTableId, LocalHeader.OemRevision,
LocalHeader.AslCompilerId, LocalHeader.AslCompilerRevision));
}
}
/*******************************************************************************
*
* FUNCTION: acpi_tb_get_rsdp_length
*
* PARAMETERS: rsdp - Pointer to RSDP
*
* RETURN: Table length
*
* DESCRIPTION: Get the length of the RSDP
*
******************************************************************************/
u32 acpi_tb_get_rsdp_length(struct acpi_table_rsdp *rsdp)
{
if (!ACPI_VALIDATE_RSDP_SIG(rsdp->signature)) {
/* BAD Signature */
return (0);
}
/* "Length" field is available if table version >= 2 */
if (rsdp->revision >= 2) {
return (rsdp->length);
} else {
return (ACPI_RSDP_CHECKSUM_LENGTH);
}
}
void
acpi_tb_print_table_header(acpi_physical_address address,
struct acpi_table_header *header)
{
struct acpi_table_header local_header;
/*
* The reason that we use ACPI_PRINTF_UINT and ACPI_FORMAT_TO_UINT is to
* support both 32-bit and 64-bit hosts/addresses in a consistent manner.
* The %p specifier does not emit uniform output on all hosts. On some,
* leading zeros are not supported.
*/
if (ACPI_COMPARE_NAME(header->signature, ACPI_SIG_FACS)) {
/* FACS only has signature and length fields */
ACPI_INFO((AE_INFO, "%-4.4s " ACPI_PRINTF_UINT " %06X",
header->signature, ACPI_FORMAT_TO_UINT(address),
header->length));
} else if (ACPI_VALIDATE_RSDP_SIG(header->signature)) {
/* RSDP has no common fields */
ACPI_MEMCPY(local_header.oem_id,
ACPI_CAST_PTR(struct acpi_table_rsdp,
header)->oem_id, ACPI_OEM_ID_SIZE);
acpi_tb_fix_string(local_header.oem_id, ACPI_OEM_ID_SIZE);
ACPI_INFO((AE_INFO,
"RSDP " ACPI_PRINTF_UINT " %06X (v%.2d %-6.6s)",
ACPI_FORMAT_TO_UINT(address),
(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,
local_header.oem_id));
} else {
UINT32
AcpiTbGetRsdpLength (
ACPI_TABLE_RSDP *Rsdp)
{
if (!ACPI_VALIDATE_RSDP_SIG (Rsdp->Signature))
{
/* BAD Signature */
return (0);
}
/* "Length" field is available if table version >= 2 */
if (Rsdp->Revision >= 2)
{
return (Rsdp->Length);
}
else
{
return (ACPI_RSDP_CHECKSUM_LENGTH);
}
}
u8 ap_is_valid_header(struct acpi_table_header *table)
{
if (!ACPI_VALIDATE_RSDP_SIG(table->signature)) {
/* Make sure signature is all ASCII and a valid ACPI name */
if (!acpi_ut_valid_acpi_name(table->signature)) {
acpi_log_error("Table signature (0x%8.8X) is invalid\n",
*(u32 *)table->signature);
return (FALSE);
}
/* Check for minimum table length */
if (table->length < sizeof(struct acpi_table_header)) {
acpi_log_error("Table length (0x%8.8X) is invalid\n",
table->length);
return (FALSE);
}
}
return (TRUE);
}
UINT32
ApGetTableLength (
ACPI_TABLE_HEADER *Table)
{
ACPI_TABLE_RSDP *Rsdp;
/* Check if table is valid */
if (!ApIsValidHeader (Table))
{
return (0);
}
if (ACPI_VALIDATE_RSDP_SIG (Table->Signature))
{
Rsdp = ACPI_CAST_PTR (ACPI_TABLE_RSDP, Table);
return (AcpiTbGetRsdpLength (Rsdp));
}
/* Normal ACPI table */
return (Table->Length);
}
static acpi_status
acpi_ut_read_table(FILE * fp,
struct acpi_table_header **table, u32 *table_length)
{
struct acpi_table_header table_header;
u32 actual;
acpi_status status;
u32 file_size;
u8 standard_header = TRUE;
s32 count;
/* Get the file size */
file_size = cm_get_file_size(fp);
if (file_size == ACPI_UINT32_MAX) {
return (AE_ERROR);
}
if (file_size < 4) {
return (AE_BAD_HEADER);
}
/* Read the signature */
fseek(fp, 0, SEEK_SET);
count = fread(&table_header, 1, sizeof(struct acpi_table_header), fp);
if (count != sizeof(struct acpi_table_header)) {
acpi_os_printf("Could not read the table header\n");
return (AE_BAD_HEADER);
}
/* The RSDP table does not have standard ACPI header */
if (ACPI_VALIDATE_RSDP_SIG(table_header.signature)) {
*table_length = file_size;
standard_header = FALSE;
} else {
#if 0
/* Validate the table header/length */
status = acpi_tb_validate_table_header(&table_header);
if (ACPI_FAILURE(status)) {
acpi_os_printf("Table header is invalid!\n");
return (status);
}
#endif
/* File size must be at least as long as the Header-specified length */
if (table_header.length > file_size) {
acpi_os_printf
("TableHeader length [0x%X] greater than the input file size [0x%X]\n",
table_header.length, file_size);
#ifdef ACPI_ASL_COMPILER
acpi_os_printf("File is corrupt or is ASCII text -- "
"it must be a binary file\n");
#endif
return (AE_BAD_HEADER);
}
#ifdef ACPI_OBSOLETE_CODE
/* We only support a limited number of table types */
if (!ACPI_COMPARE_NAME
((char *)table_header.signature, ACPI_SIG_DSDT)
&& !ACPI_COMPARE_NAME((char *)table_header.signature,
ACPI_SIG_PSDT)
&& !ACPI_COMPARE_NAME((char *)table_header.signature,
ACPI_SIG_SSDT)) {
acpi_os_printf
("Table signature [%4.4s] is invalid or not supported\n",
(char *)table_header.signature);
ACPI_DUMP_BUFFER(&table_header,
sizeof(struct acpi_table_header));
return (AE_ERROR);
}
#endif
*table_length = table_header.length;
}
/* Allocate a buffer for the table */
*table = acpi_os_allocate((size_t) file_size);
if (!*table) {
acpi_os_printf
("Could not allocate memory for ACPI table %4.4s (size=0x%X)\n",
table_header.signature, *table_length);
return (AE_NO_MEMORY);
}
/* Get the rest of the table */
fseek(fp, 0, SEEK_SET);
actual = fread(*table, 1, (size_t) file_size, fp);
if (actual == file_size) {
if (standard_header) {
/* Now validate the checksum */
status = acpi_tb_verify_checksum((void *)*table,
ACPI_CAST_PTR(struct
acpi_table_header,
*table)->
length);
if (status == AE_BAD_CHECKSUM) {
status =
acpi_ut_check_text_mode_corruption((u8 *)
*table,
file_size,
(*table)->
length);
return (status);
}
}
return (AE_OK);
}
if (actual > 0) {
acpi_os_printf("Warning - reading table, asked for %X got %X\n",
file_size, actual);
return (AE_OK);
}
acpi_os_printf("Error - could not read the table file\n");
acpi_os_free(*table);
*table = NULL;
*table_length = 0;
return (AE_ERROR);
}
int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance)
{
char filename[ACPI_NAME_SIZE + 16];
char instance_str[16];
ACPI_FILE file;
size_t actual;
u32 table_length;
/* Obtain table length */
table_length = ap_get_table_length(table);
/* Construct lower-case filename from the table local signature */
if (ACPI_VALIDATE_RSDP_SIG(table->signature)) {
ACPI_MOVE_NAME(filename, ACPI_RSDP_NAME);
} else {
ACPI_MOVE_NAME(filename, table->signature);
}
filename[0] = (char)ACPI_TOLOWER(filename[0]);
filename[1] = (char)ACPI_TOLOWER(filename[1]);
filename[2] = (char)ACPI_TOLOWER(filename[2]);
filename[3] = (char)ACPI_TOLOWER(filename[3]);
filename[ACPI_NAME_SIZE] = 0;
/* Handle multiple SSDts - create different filenames for each */
if (instance > 0) {
acpi_ut_snprintf(instance_str, sizeof(instance_str), "%u",
instance);
ACPI_STRCAT(filename, instance_str);
}
ACPI_STRCAT(filename, ACPI_TABLE_FILE_SUFFIX);
if (gbl_verbose_mode) {
acpi_log_error
("Writing [%4.4s] to binary file: %s 0x%X (%u) bytes\n",
table->signature, filename, table->length, table->length);
}
/* Open the file and dump the entire table in binary mode */
file = acpi_os_open_file(filename,
ACPI_FILE_WRITING | ACPI_FILE_BINARY);
if (!file) {
acpi_log_error("Could not open output file: %s\n", filename);
return (-1);
}
actual = acpi_os_write_file(file, table, 1, table_length);
if (actual != table_length) {
acpi_log_error("Error writing binary output file: %s\n",
filename);
acpi_os_close_file(file);
return (-1);
}
acpi_os_close_file(file);
return (0);
}
int
ApWriteToBinaryFile (
ACPI_TABLE_HEADER *Table,
UINT32 Instance)
{
char Filename[ACPI_NAME_SIZE + 16];
char InstanceStr [16];
ACPI_FILE File;
ACPI_SIZE Actual;
UINT32 TableLength;
/* Obtain table length */
TableLength = ApGetTableLength (Table);
/* Construct lower-case filename from the table local signature */
if (ACPI_VALIDATE_RSDP_SIG (Table->Signature))
{
ACPI_MOVE_NAME (Filename, ACPI_RSDP_NAME);
}
else
{
ACPI_MOVE_NAME (Filename, Table->Signature);
}
Filename[0] = (char) tolower ((int) Filename[0]);
Filename[1] = (char) tolower ((int) Filename[1]);
Filename[2] = (char) tolower ((int) Filename[2]);
Filename[3] = (char) tolower ((int) Filename[3]);
Filename[ACPI_NAME_SIZE] = 0;
/* Handle multiple SSDTs - create different filenames for each */
if (Instance > 0)
{
snprintf (InstanceStr, sizeof (InstanceStr), "%u", Instance);
strcat (Filename, InstanceStr);
}
strcat (Filename, FILE_SUFFIX_BINARY_TABLE);
if (Gbl_VerboseMode)
{
fprintf (stderr,
"Writing [%4.4s] to binary file: %s 0x%X (%u) bytes\n",
Table->Signature, Filename, Table->Length, Table->Length);
}
/* Open the file and dump the entire table in binary mode */
File = fopen (Filename, "wb");
if (!File)
{
fprintf (stderr, "Could not open output file: %s\n", Filename);
return (-1);
}
Actual = fwrite (Table, 1, TableLength, File);
if (Actual != TableLength)
{
fprintf (stderr, "Error writing binary output file: %s\n", Filename);
fclose (File);
return (-1);
}
fclose (File);
return (0);
}
static ACPI_STATUS
AcpiUtReadTable (
FILE *fp,
ACPI_TABLE_HEADER **Table,
UINT32 *TableLength)
{
ACPI_TABLE_HEADER TableHeader;
UINT32 Actual;
ACPI_STATUS Status;
UINT32 FileSize;
BOOLEAN StandardHeader = TRUE;
INT32 Count;
/* Get the file size */
FileSize = CmGetFileSize (fp);
if (FileSize == ACPI_UINT32_MAX)
{
return (AE_ERROR);
}
if (FileSize < 4)
{
return (AE_BAD_HEADER);
}
/* Read the signature */
fseek (fp, 0, SEEK_SET);
Count = fread (&TableHeader, 1, sizeof (ACPI_TABLE_HEADER), fp);
if (Count != sizeof (ACPI_TABLE_HEADER))
{
AcpiOsPrintf ("Could not read the table header\n");
return (AE_BAD_HEADER);
}
/* The RSDP table does not have standard ACPI header */
if (ACPI_VALIDATE_RSDP_SIG (TableHeader.Signature))
{
*TableLength = FileSize;
StandardHeader = FALSE;
}
else
{
#if 0
/* Validate the table header/length */
Status = AcpiTbValidateTableHeader (&TableHeader);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Table header is invalid!\n");
return (Status);
}
#endif
/* File size must be at least as long as the Header-specified length */
if (TableHeader.Length > FileSize)
{
AcpiOsPrintf (
"TableHeader length [0x%X] greater than the input file size [0x%X]\n",
TableHeader.Length, FileSize);
#ifdef ACPI_ASL_COMPILER
AcpiOsPrintf ("File is corrupt or is ASCII text -- "
"it must be a binary file\n");
#endif
return (AE_BAD_HEADER);
}
#ifdef ACPI_OBSOLETE_CODE
/* We only support a limited number of table types */
if (!ACPI_COMPARE_NAME ((char *) TableHeader.Signature, ACPI_SIG_DSDT) &&
!ACPI_COMPARE_NAME ((char *) TableHeader.Signature, ACPI_SIG_PSDT) &&
!ACPI_COMPARE_NAME ((char *) TableHeader.Signature, ACPI_SIG_SSDT))
{
AcpiOsPrintf ("Table signature [%4.4s] is invalid or not supported\n",
(char *) TableHeader.Signature);
ACPI_DUMP_BUFFER (&TableHeader, sizeof (ACPI_TABLE_HEADER));
return (AE_ERROR);
}
#endif
*TableLength = TableHeader.Length;
}
/* Allocate a buffer for the table */
*Table = AcpiOsAllocate ((size_t) FileSize);
if (!*Table)
{
AcpiOsPrintf (
"Could not allocate memory for ACPI table %4.4s (size=0x%X)\n",
TableHeader.Signature, *TableLength);
return (AE_NO_MEMORY);
}
/* Get the rest of the table */
fseek (fp, 0, SEEK_SET);
Actual = fread (*Table, 1, (size_t) FileSize, fp);
if (Actual == FileSize)
{
if (StandardHeader)
{
/* Now validate the checksum */
Status = AcpiTbVerifyChecksum ((void *) *Table,
ACPI_CAST_PTR (ACPI_TABLE_HEADER, *Table)->Length);
if (Status == AE_BAD_CHECKSUM)
{
Status = AcpiUtCheckTextModeCorruption ((UINT8 *) *Table,
FileSize, (*Table)->Length);
return (Status);
}
}
return (AE_OK);
}
if (Actual > 0)
{
AcpiOsPrintf ("Warning - reading table, asked for %X got %X\n",
FileSize, Actual);
return (AE_OK);
}
AcpiOsPrintf ("Error - could not read the table file\n");
AcpiOsFree (*Table);
*Table = NULL;
*TableLength = 0;
return (AE_ERROR);
}
int
ApWriteToBinaryFile (
ACPI_TABLE_HEADER *Table,
UINT32 Instance)
{
char Filename[ACPI_NAME_SIZE + 16];
char InstanceStr [16];
ACPI_FILE File;
size_t Actual;
UINT32 TableLength;
/* Obtain table length */
TableLength = ApGetTableLength (Table);
/* Construct lower-case filename from the table local signature */
if (ACPI_VALIDATE_RSDP_SIG (Table->Signature))
{
ACPI_MOVE_NAME (Filename, ACPI_RSDP_NAME);
}
else
{
ACPI_MOVE_NAME (Filename, Table->Signature);
}
Filename[0] = (char) ACPI_TOLOWER (Filename[0]);
Filename[1] = (char) ACPI_TOLOWER (Filename[1]);
Filename[2] = (char) ACPI_TOLOWER (Filename[2]);
Filename[3] = (char) ACPI_TOLOWER (Filename[3]);
Filename[ACPI_NAME_SIZE] = 0;
/* Handle multiple SSDTs - create different filenames for each */
if (Instance > 0)
{
AcpiUtSnprintf (InstanceStr, sizeof (InstanceStr), "%u", Instance);
ACPI_STRCAT (Filename, InstanceStr);
}
ACPI_STRCAT (Filename, ACPI_TABLE_FILE_SUFFIX);
if (Gbl_VerboseMode)
{
AcpiLogError (
"Writing [%4.4s] to binary file: %s 0x%X (%u) bytes\n",
Table->Signature, Filename, Table->Length, Table->Length);
}
/* Open the file and dump the entire table in binary mode */
File = AcpiOsOpenFile (Filename,
ACPI_FILE_WRITING | ACPI_FILE_BINARY);
if (!File)
{
AcpiLogError ("Could not open output file: %s\n", Filename);
return (-1);
}
Actual = AcpiOsWriteFile (File, Table, 1, TableLength);
if (Actual != TableLength)
{
AcpiLogError ("Error writing binary output file: %s\n", Filename);
AcpiOsCloseFile (File);
return (-1);
}
AcpiOsCloseFile (File);
return (0);
}
static acpi_status
osl_read_table_from_file(char *filename,
acpi_size file_offset,
char *signature, struct acpi_table_header **table)
{
FILE *table_file;
struct acpi_table_header header;
struct acpi_table_header *local_table = NULL;
u32 table_length;
s32 count;
acpi_status status = AE_OK;
/* Open the file */
table_file = fopen(filename, "rb");
if (table_file == NULL) {
fprintf(stderr, "Could not open table file: %s\n", filename);
return (osl_get_last_status(AE_NOT_FOUND));
}
fseek(table_file, file_offset, SEEK_SET);
/* Read the Table header to get the table length */
count = fread(&header, 1, sizeof(struct acpi_table_header), table_file);
if (count != sizeof(struct acpi_table_header)) {
fprintf(stderr, "Could not read table header: %s\n", filename);
status = AE_BAD_HEADER;
goto exit;
}
/* If signature is specified, it must match the table */
if (signature) {
if (ACPI_VALIDATE_RSDP_SIG(signature)) {
if (!ACPI_VALIDATE_RSDP_SIG(header.signature)) {
fprintf(stderr,
"Incorrect RSDP signature: found %8.8s\n",
header.signature);
status = AE_BAD_SIGNATURE;
goto exit;
}
} else if (!ACPI_COMPARE_NAME(signature, header.signature)) {
fprintf(stderr,
"Incorrect signature: Expecting %4.4s, found %4.4s\n",
signature, header.signature);
status = AE_BAD_SIGNATURE;
goto exit;
}
}
table_length = ap_get_table_length(&header);
if (table_length == 0) {
status = AE_BAD_HEADER;
goto exit;
}
/* Read the entire table into a local buffer */
local_table = calloc(1, table_length);
if (!local_table) {
fprintf(stderr,
"%4.4s: Could not allocate buffer for table of length %X\n",
header.signature, table_length);
status = AE_NO_MEMORY;
goto exit;
}
fseek(table_file, file_offset, SEEK_SET);
count = fread(local_table, 1, table_length, table_file);
if (count != table_length) {
fprintf(stderr, "%4.4s: Could not read table content\n",
header.signature);
status = AE_INVALID_TABLE_LENGTH;
goto exit;
}
/* Validate checksum */
(void)ap_is_valid_checksum(local_table);
exit:
fclose(table_file);
*table = local_table;
return (status);
}
static ACPI_STATUS
DtCompileDataTable (
DT_FIELD **FieldList)
{
ACPI_DMTABLE_DATA *TableData;
DT_SUBTABLE *Subtable;
char *Signature;
ACPI_TABLE_HEADER *AcpiTableHeader;
ACPI_STATUS Status;
DT_FIELD *RootField = *FieldList;
/* Verify that we at least have a table signature and save it */
Signature = DtGetFieldValue (*FieldList);
if (!Signature)
{
sprintf (MsgBuffer, "Expected \"%s\"", "Signature");
DtNameError (ASL_ERROR, ASL_MSG_INVALID_FIELD_NAME,
*FieldList, MsgBuffer);
return (AE_ERROR);
}
Gbl_Signature = UtLocalCalloc (ACPI_STRLEN (Signature) + 1);
strcpy (Gbl_Signature, Signature);
/*
* Handle tables that don't use the common ACPI table header structure.
* Currently, these are the FACS and RSDP. Also check for an OEMx table,
* these tables have user-defined contents.
*/
if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_FACS))
{
Status = DtCompileFacs (FieldList);
if (ACPI_FAILURE (Status))
{
return (Status);
}
DtSetTableLength ();
return (Status);
}
else if (ACPI_VALIDATE_RSDP_SIG (Signature))
{
Status = DtCompileRsdp (FieldList);
return (Status);
}
else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_S3PT))
{
Status = DtCompileS3pt (FieldList);
if (ACPI_FAILURE (Status))
{
return (Status);
}
DtSetTableLength ();
return (Status);
}
/*
* All other tables must use the common ACPI table header. Insert the
* current iASL IDs (name, version), and compile the header now.
*/
DtInsertCompilerIds (*FieldList);
Status = DtCompileTable (FieldList, AcpiDmTableInfoHeader,
&Gbl_RootTable, TRUE);
if (ACPI_FAILURE (Status))
{
return (Status);
}
DtPushSubtable (Gbl_RootTable);
/* Validate the signature via the ACPI table list */
TableData = AcpiDmGetTableData (Signature);
if (!TableData || Gbl_CompileGeneric)
{
DtCompileGeneric ((void **) FieldList);
goto FinishHeader;
}
/* Dispatch to per-table compile */
if (TableData->CmTableHandler)
{
/* Complex table, has a handler */
Status = TableData->CmTableHandler ((void **) FieldList);
if (ACPI_FAILURE (Status))
{
return (Status);
}
}
else if (TableData->TableInfo)
{
/* Simple table, just walk the info table */
Subtable = NULL;
Status = DtCompileTable (FieldList, TableData->TableInfo,
&Subtable, TRUE);
if (ACPI_FAILURE (Status))
{
return (Status);
}
DtInsertSubtable (Gbl_RootTable, Subtable);
DtPopSubtable ();
}
else
{
DtFatal (ASL_MSG_COMPILER_INTERNAL, *FieldList,
"Missing table dispatch info");
return (AE_ERROR);
}
FinishHeader:
/* Set the final table length and then the checksum */
DtSetTableLength ();
AcpiTableHeader = ACPI_CAST_PTR (
ACPI_TABLE_HEADER, Gbl_RootTable->Buffer);
DtSetTableChecksum (&AcpiTableHeader->Checksum);
DtDumpFieldList (RootField);
DtDumpSubtableList ();
return (AE_OK);
}
static acpi_status
osl_map_table(acpi_size address,
char *signature, struct acpi_table_header **table)
{
struct acpi_table_header *mapped_table;
u32 length;
if (!address) {
return (AE_BAD_ADDRESS);
}
/*
* Map the header so we can get the table length.
* Use sizeof (struct acpi_table_header) as:
* 1. it is bigger than 24 to include RSDP->Length
* 2. it is smaller than sizeof (struct acpi_table_rsdp)
*/
mapped_table =
acpi_os_map_memory(address, sizeof(struct acpi_table_header));
if (!mapped_table) {
fprintf(stderr, "Could not map table header at 0x%8.8X%8.8X\n",
ACPI_FORMAT_UINT64(address));
return (osl_get_last_status(AE_BAD_ADDRESS));
}
/* If specified, signature must match */
if (signature) {
if (ACPI_VALIDATE_RSDP_SIG(signature)) {
if (!ACPI_VALIDATE_RSDP_SIG(mapped_table->signature)) {
acpi_os_unmap_memory(mapped_table,
sizeof(struct
acpi_table_header));
return (AE_BAD_SIGNATURE);
}
} else
if (!ACPI_COMPARE_NAME(signature, mapped_table->signature))
{
acpi_os_unmap_memory(mapped_table,
sizeof(struct acpi_table_header));
return (AE_BAD_SIGNATURE);
}
}
/* Map the entire table */
length = ap_get_table_length(mapped_table);
acpi_os_unmap_memory(mapped_table, sizeof(struct acpi_table_header));
if (length == 0) {
return (AE_BAD_HEADER);
}
mapped_table = acpi_os_map_memory(address, length);
if (!mapped_table) {
fprintf(stderr,
"Could not map table at 0x%8.8X%8.8X length %8.8X\n",
ACPI_FORMAT_UINT64(address), length);
return (osl_get_last_status(AE_INVALID_TABLE_LENGTH));
}
(void)ap_is_valid_checksum(mapped_table);
*table = mapped_table;
return (AE_OK);
}