X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Facpi%2Futilities%2Futmisc.c;h=6d8a8211be90a4f84abf2ad8efb62c8a3c9cabfa;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=9efcb99a3fa7ea896f94f92eb1dce09b09d97563;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c index 9efcb99a3..6d8a8211b 100644 --- a/drivers/acpi/utilities/utmisc.c +++ b/drivers/acpi/utilities/utmisc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2004, R. Byron Moore + * Copyright (C) 2000 - 2006, R. Byron Moore * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -41,20 +41,250 @@ * POSSIBILITY OF SUCH DAMAGES. */ +#include #include #include - #define _COMPONENT ACPI_UTILITIES - ACPI_MODULE_NAME ("utmisc") +ACPI_MODULE_NAME("utmisc") + +/******************************************************************************* + * + * FUNCTION: acpi_ut_is_aml_table + * + * PARAMETERS: Table - An ACPI table + * + * RETURN: TRUE if table contains executable AML; FALSE otherwise + * + * DESCRIPTION: Check ACPI Signature for a table that contains AML code. + * Currently, these are DSDT,SSDT,PSDT. All other table types are + * data tables that do not contain AML code. + * + ******************************************************************************/ +u8 acpi_ut_is_aml_table(struct acpi_table_header *table) +{ + + /* These are the only tables that contain executable AML */ + + if (ACPI_COMPARE_NAME(table->signature, DSDT_SIG) || + ACPI_COMPARE_NAME(table->signature, PSDT_SIG) || + ACPI_COMPARE_NAME(table->signature, SSDT_SIG)) { + return (TRUE); + } + + return (FALSE); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_allocate_owner_id + * + * PARAMETERS: owner_id - Where the new owner ID is returned + * + * RETURN: Status + * + * DESCRIPTION: Allocate a table or method owner ID. The owner ID is used to + * track objects created by the table or method, to be deleted + * when the method exits or the table is unloaded. + * + ******************************************************************************/ + +acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) +{ + acpi_native_uint i; + acpi_native_uint j; + acpi_native_uint k; + acpi_status status; + + ACPI_FUNCTION_TRACE(ut_allocate_owner_id); + + /* Guard against multiple allocations of ID to the same location */ + + if (*owner_id) { + ACPI_ERROR((AE_INFO, "Owner ID [%2.2X] already exists", + *owner_id)); + return_ACPI_STATUS(AE_ALREADY_EXISTS); + } + + /* Mutex for the global ID mask */ + + status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* + * Find a free owner ID, cycle through all possible IDs on repeated + * allocations. (ACPI_NUM_OWNERID_MASKS + 1) because first index may have + * to be scanned twice. + */ + for (i = 0, j = acpi_gbl_last_owner_id_index; + i < (ACPI_NUM_OWNERID_MASKS + 1); i++, j++) { + if (j >= ACPI_NUM_OWNERID_MASKS) { + j = 0; /* Wraparound to start of mask array */ + } + + for (k = acpi_gbl_next_owner_id_offset; k < 32; k++) { + if (acpi_gbl_owner_id_mask[j] == ACPI_UINT32_MAX) { + + /* There are no free IDs in this mask */ + + break; + } + + if (!(acpi_gbl_owner_id_mask[j] & (1 << k))) { + /* + * Found a free ID. The actual ID is the bit index plus one, + * making zero an invalid Owner ID. Save this as the last ID + * allocated and update the global ID mask. + */ + acpi_gbl_owner_id_mask[j] |= (1 << k); + + acpi_gbl_last_owner_id_index = (u8) j; + acpi_gbl_next_owner_id_offset = (u8) (k + 1); + + /* + * Construct encoded ID from the index and bit position + * + * Note: Last [j].k (bit 255) is never used and is marked + * permanently allocated (prevents +1 overflow) + */ + *owner_id = + (acpi_owner_id) ((k + 1) + ACPI_MUL_32(j)); + + ACPI_DEBUG_PRINT((ACPI_DB_VALUES, + "Allocated OwnerId: %2.2X\n", + (unsigned int)*owner_id)); + goto exit; + } + } + + acpi_gbl_next_owner_id_offset = 0; + } + + /* + * All owner_ids have been allocated. This typically should + * not happen since the IDs are reused after deallocation. The IDs are + * allocated upon table load (one per table) and method execution, and + * they are released when a table is unloaded or a method completes + * execution. + * + * If this error happens, there may be very deep nesting of invoked control + * methods, or there may be a bug where the IDs are not released. + */ + status = AE_OWNER_ID_LIMIT; + ACPI_ERROR((AE_INFO, + "Could not allocate new OwnerId (255 max), AE_OWNER_ID_LIMIT")); + + exit: + (void)acpi_ut_release_mutex(ACPI_MTX_CACHES); + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_release_owner_id + * + * PARAMETERS: owner_id_ptr - Pointer to a previously allocated owner_iD + * + * RETURN: None. No error is returned because we are either exiting a + * control method or unloading a table. Either way, we would + * ignore any error anyway. + * + * DESCRIPTION: Release a table or method owner ID. Valid IDs are 1 - 255 + * + ******************************************************************************/ + +void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr) +{ + acpi_owner_id owner_id = *owner_id_ptr; + acpi_status status; + acpi_native_uint index; + u32 bit; + + ACPI_FUNCTION_TRACE_U32(ut_release_owner_id, owner_id); + + /* Always clear the input owner_id (zero is an invalid ID) */ + + *owner_id_ptr = 0; + + /* Zero is not a valid owner_iD */ + + if (owner_id == 0) { + ACPI_ERROR((AE_INFO, "Invalid OwnerId: %2.2X", owner_id)); + return_VOID; + } + + /* Mutex for the global ID mask */ + + status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES); + if (ACPI_FAILURE(status)) { + return_VOID; + } + + /* Normalize the ID to zero */ + + owner_id--; + + /* Decode ID to index/offset pair */ + + index = ACPI_DIV_32(owner_id); + bit = 1 << ACPI_MOD_32(owner_id); + + /* Free the owner ID only if it is valid */ + + if (acpi_gbl_owner_id_mask[index] & bit) { + acpi_gbl_owner_id_mask[index] ^= bit; + } else { + ACPI_ERROR((AE_INFO, + "Release of non-allocated OwnerId: %2.2X", + owner_id + 1)); + } + + (void)acpi_ut_release_mutex(ACPI_MTX_CACHES); + return_VOID; +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strupr (strupr) + * + * PARAMETERS: src_string - The source string to convert + * + * RETURN: None + * + * DESCRIPTION: Convert string to uppercase + * + * NOTE: This is not a POSIX function, so it appears here, not in utclib.c + * + ******************************************************************************/ + +void acpi_ut_strupr(char *src_string) +{ + char *string; + + ACPI_FUNCTION_ENTRY(); + + if (!src_string) { + return; + } + + /* Walk entire string, uppercasing the letters */ + + for (string = src_string; *string; string++) { + *string = (char)ACPI_TOUPPER(*string); + } + return; +} /******************************************************************************* * * FUNCTION: acpi_ut_print_string * * PARAMETERS: String - Null terminated ASCII string + * max_length - Maximum output length * * RETURN: None * @@ -63,112 +293,102 @@ * ******************************************************************************/ -void -acpi_ut_print_string ( - char *string, - u8 max_length) +void acpi_ut_print_string(char *string, u8 max_length) { - u32 i; - + u32 i; if (!string) { - acpi_os_printf ("<\"NULL STRING PTR\">"); + acpi_os_printf("<\"NULL STRING PTR\">"); return; } - acpi_os_printf ("\""); + acpi_os_printf("\""); for (i = 0; string[i] && (i < max_length); i++) { + /* Escape sequences */ switch (string[i]) { case 0x07: - acpi_os_printf ("\\a"); /* BELL */ + acpi_os_printf("\\a"); /* BELL */ break; case 0x08: - acpi_os_printf ("\\b"); /* BACKSPACE */ + acpi_os_printf("\\b"); /* BACKSPACE */ break; case 0x0C: - acpi_os_printf ("\\f"); /* FORMFEED */ + acpi_os_printf("\\f"); /* FORMFEED */ break; case 0x0A: - acpi_os_printf ("\\n"); /* LINEFEED */ + acpi_os_printf("\\n"); /* LINEFEED */ break; case 0x0D: - acpi_os_printf ("\\r"); /* CARRIAGE RETURN*/ + acpi_os_printf("\\r"); /* CARRIAGE RETURN */ break; case 0x09: - acpi_os_printf ("\\t"); /* HORIZONTAL TAB */ + acpi_os_printf("\\t"); /* HORIZONTAL TAB */ break; case 0x0B: - acpi_os_printf ("\\v"); /* VERTICAL TAB */ + acpi_os_printf("\\v"); /* VERTICAL TAB */ break; - case '\'': /* Single Quote */ - case '\"': /* Double Quote */ - case '\\': /* Backslash */ - acpi_os_printf ("\\%c", (int) string[i]); + case '\'': /* Single Quote */ + case '\"': /* Double Quote */ + case '\\': /* Backslash */ + acpi_os_printf("\\%c", (int)string[i]); break; default: /* Check for printable character or hex escape */ - if (ACPI_IS_PRINT (string[i])) - { + if (ACPI_IS_PRINT(string[i])) { /* This is a normal character */ - acpi_os_printf ("%c", (int) string[i]); - } - else - { + acpi_os_printf("%c", (int)string[i]); + } else { /* All others will be Hex escapes */ - acpi_os_printf ("\\x%2.2X", (s32) string[i]); + acpi_os_printf("\\x%2.2X", (s32) string[i]); } break; } } - acpi_os_printf ("\""); + acpi_os_printf("\""); if (i == max_length && string[i]) { - acpi_os_printf ("..."); + acpi_os_printf("..."); } } - /******************************************************************************* * * FUNCTION: acpi_ut_dword_byte_swap * * PARAMETERS: Value - Value to be converted * + * RETURN: u32 integer with bytes swapped + * * DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes) * ******************************************************************************/ -u32 -acpi_ut_dword_byte_swap ( - u32 value) +u32 acpi_ut_dword_byte_swap(u32 value) { union { - u32 value; - u8 bytes[4]; + u32 value; + u8 bytes[4]; } out; - union { - u32 value; - u8 bytes[4]; + u32 value; + u8 bytes[4]; } in; - - ACPI_FUNCTION_ENTRY (); - + ACPI_FUNCTION_ENTRY(); in.value = value; @@ -180,7 +400,6 @@ acpi_ut_dword_byte_swap ( return (out.value); } - /******************************************************************************* * * FUNCTION: acpi_ut_set_integer_width @@ -196,30 +415,32 @@ acpi_ut_dword_byte_swap ( * ******************************************************************************/ -void -acpi_ut_set_integer_width ( - u8 revision) +void acpi_ut_set_integer_width(u8 revision) { if (revision <= 1) { + + /* 32-bit case */ + acpi_gbl_integer_bit_width = 32; acpi_gbl_integer_nybble_width = 8; acpi_gbl_integer_byte_width = 4; - } - else { + } else { + /* 64-bit case (ACPI 2.0+) */ + acpi_gbl_integer_bit_width = 64; acpi_gbl_integer_nybble_width = 16; acpi_gbl_integer_byte_width = 8; } } - #ifdef ACPI_DEBUG_OUTPUT /******************************************************************************* * * FUNCTION: acpi_ut_display_init_pathname * - * PARAMETERS: obj_handle - Handle whose pathname will be displayed + * PARAMETERS: Type - Object type of the node + * obj_handle - Handle whose pathname will be displayed * Path - Additional path string to be appended. * (NULL if no extra path) * @@ -230,17 +451,14 @@ acpi_ut_set_integer_width ( ******************************************************************************/ void -acpi_ut_display_init_pathname ( - u8 type, - struct acpi_namespace_node *obj_handle, - char *path) +acpi_ut_display_init_pathname(u8 type, + struct acpi_namespace_node *obj_handle, + char *path) { - acpi_status status; - struct acpi_buffer buffer; - - - ACPI_FUNCTION_ENTRY (); + acpi_status status; + struct acpi_buffer buffer; + ACPI_FUNCTION_ENTRY(); /* Only print the path if the appropriate debug level is enabled */ @@ -251,8 +469,8 @@ acpi_ut_display_init_pathname ( /* Get the full pathname to the node */ buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; - status = acpi_ns_handle_to_pathname (obj_handle, &buffer); - if (ACPI_FAILURE (status)) { + status = acpi_ns_handle_to_pathname(obj_handle, &buffer); + if (ACPI_FAILURE(status)) { return; } @@ -260,37 +478,73 @@ acpi_ut_display_init_pathname ( switch (type) { case ACPI_TYPE_METHOD: - acpi_os_printf ("Executing "); + acpi_os_printf("Executing "); break; default: - acpi_os_printf ("Initializing "); + acpi_os_printf("Initializing "); break; } /* Print the object type and pathname */ - acpi_os_printf ("%-12s %s", acpi_ut_get_type_name (type), (char *) buffer.pointer); + acpi_os_printf("%-12s %s", + acpi_ut_get_type_name(type), (char *)buffer.pointer); /* Extra path is used to append names like _STA, _INI, etc. */ if (path) { - acpi_os_printf (".%s", path); + acpi_os_printf(".%s", path); } - acpi_os_printf ("\n"); + acpi_os_printf("\n"); - ACPI_MEM_FREE (buffer.pointer); + ACPI_FREE(buffer.pointer); } #endif +/******************************************************************************* + * + * FUNCTION: acpi_ut_valid_acpi_char + * + * PARAMETERS: Char - The character to be examined + * Position - Byte position (0-3) + * + * RETURN: TRUE if the character is valid, FALSE otherwise + * + * DESCRIPTION: Check for a valid ACPI character. Must be one of: + * 1) Upper case alpha + * 2) numeric + * 3) underscore + * + * We allow a '!' as the last character because of the ASF! table + * + ******************************************************************************/ + +u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position) +{ + + if (!((character >= 'A' && character <= 'Z') || + (character >= '0' && character <= '9') || (character == '_'))) { + + /* Allow a '!' in the last position */ + + if (character == '!' && position == 3) { + return (TRUE); + } + + return (FALSE); + } + + return (TRUE); +} /******************************************************************************* * * FUNCTION: acpi_ut_valid_acpi_name * - * PARAMETERS: Character - The character to be examined + * PARAMETERS: Name - The name to be examined * - * RETURN: 1 if Character may appear in a name, else 0 + * RETURN: TRUE if the name is valid, FALSE otherwise * * DESCRIPTION: Check for a valid ACPI name. Each character must be one of: * 1) Upper case alpha @@ -299,25 +553,15 @@ acpi_ut_display_init_pathname ( * ******************************************************************************/ -u8 -acpi_ut_valid_acpi_name ( - u32 name) +u8 acpi_ut_valid_acpi_name(u32 name) { - char *name_ptr = (char *) &name; - char character; - acpi_native_uint i; - - - ACPI_FUNCTION_ENTRY (); + acpi_native_uint i; + ACPI_FUNCTION_ENTRY(); for (i = 0; i < ACPI_NAME_SIZE; i++) { - character = *name_ptr; - name_ptr++; - - if (!((character == '_') || - (character >= 'A' && character <= 'Z') || - (character >= '0' && character <= '9'))) { + if (!acpi_ut_valid_acpi_char + ((ACPI_CAST_PTR(char, &name))[i], i)) { return (FALSE); } } @@ -325,952 +569,295 @@ acpi_ut_valid_acpi_name ( return (TRUE); } - /******************************************************************************* * - * FUNCTION: acpi_ut_valid_acpi_character + * FUNCTION: acpi_ut_repair_name * - * PARAMETERS: Character - The character to be examined + * PARAMETERS: Name - The ACPI name to be repaired * - * RETURN: 1 if Character may appear in a name, else 0 + * RETURN: Repaired version of the name * - * DESCRIPTION: Check for a printable character + * DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and + * return the new name. * ******************************************************************************/ -u8 -acpi_ut_valid_acpi_character ( - char character) +acpi_name acpi_ut_repair_name(acpi_name name) { + char *name_ptr = ACPI_CAST_PTR(char, &name); + char new_name[ACPI_NAME_SIZE]; + acpi_native_uint i; - ACPI_FUNCTION_ENTRY (); + for (i = 0; i < ACPI_NAME_SIZE; i++) { + new_name[i] = name_ptr[i]; - return ((u8) ((character == '_') || - (character >= 'A' && character <= 'Z') || - (character >= '0' && character <= '9'))); -} + /* + * Replace a bad character with something printable, yet technically + * still invalid. This prevents any collisions with existing "good" + * names in the namespace. + */ + if (!acpi_ut_valid_acpi_char(name_ptr[i], i)) { + new_name[i] = '*'; + } + } + return (*ACPI_CAST_PTR(u32, new_name)); +} /******************************************************************************* * * FUNCTION: acpi_ut_strtoul64 * * PARAMETERS: String - Null terminated string - * Terminater - Where a pointer to the terminating byte is returned - * Base - Radix of the string + * Base - Radix of the string: 16 or ACPI_ANY_BASE; + * ACPI_ANY_BASE means 'in behalf of to_integer' + * ret_integer - Where the converted integer is returned * - * RETURN: Converted value + * RETURN: Status and Converted value * - * DESCRIPTION: Convert a string into an unsigned value. + * DESCRIPTION: Convert a string into an unsigned value. Performs either a + * 32-bit or 64-bit conversion, depending on the current mode + * of the interpreter. + * NOTE: Does not support Octal strings, not needed. * ******************************************************************************/ -#define NEGATIVE 1 -#define POSITIVE 0 acpi_status -acpi_ut_strtoul64 ( - char *string, - u32 base, - acpi_integer *ret_integer) +acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer) { - u32 index; - acpi_integer return_value = 0; - acpi_status status = AE_OK; - acpi_integer dividend; - acpi_integer quotient; - - - *ret_integer = 0; + u32 this_digit = 0; + acpi_integer return_value = 0; + acpi_integer quotient; + acpi_integer dividend; + u32 to_integer_op = (base == ACPI_ANY_BASE); + u32 mode32 = (acpi_gbl_integer_byte_width == 4); + u8 valid_digits = 0; + u8 sign_of0x = 0; + u8 term = 0; + + ACPI_FUNCTION_TRACE_STR(ut_stroul64, string); switch (base) { - case 0: - case 8: - case 10: + case ACPI_ANY_BASE: case 16: break; default: - /* - * The specified Base parameter is not in the domain of - * this function: - */ - return (AE_BAD_PARAMETER); + /* Invalid Base */ + return_ACPI_STATUS(AE_BAD_PARAMETER); } - /* - * skip over any white space in the buffer: - */ - while (ACPI_IS_SPACE (*string) || *string == '\t') { - ++string; + if (!string) { + goto error_exit; } - /* - * If the input parameter Base is zero, then we need to - * determine if it is octal, decimal, or hexadecimal: - */ - if (base == 0) { - if (*string == '0') { - if (ACPI_TOLOWER (*(++string)) == 'x') { - base = 16; - ++string; - } - else { - base = 8; - } - } - else { + /* Skip over any white space in the buffer */ + + while ((*string) && (ACPI_IS_SPACE(*string) || *string == '\t')) { + string++; + } + + if (to_integer_op) { + /* + * Base equal to ACPI_ANY_BASE means 'to_integer operation case'. + * We need to determine if it is decimal or hexadecimal. + */ + if ((*string == '0') && (ACPI_TOLOWER(*(string + 1)) == 'x')) { + sign_of0x = 1; + base = 16; + + /* Skip over the leading '0x' */ + string += 2; + } else { base = 10; } } - /* - * For octal and hexadecimal bases, skip over the leading - * 0 or 0x, if they are present. - */ - if (base == 8 && *string == '0') { - string++; - } + /* Any string left? Check that '0x' is not followed by white space. */ - if (base == 16 && - *string == '0' && - ACPI_TOLOWER (*(++string)) == 'x') { - string++; + if (!(*string) || ACPI_IS_SPACE(*string) || *string == '\t') { + if (to_integer_op) { + goto error_exit; + } else { + goto all_done; + } } - /* Main loop: convert the string to an unsigned long */ + /* + * Perform a 32-bit or 64-bit conversion, depending upon the current + * execution mode of the interpreter + */ + dividend = (mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX; + + /* Main loop: convert the string to a 32- or 64-bit integer */ while (*string) { - if (ACPI_IS_DIGIT (*string)) { - index = ((u8) *string) - '0'; - } - else { - index = (u8) ACPI_TOUPPER (*string); - if (ACPI_IS_UPPER ((char) index)) { - index = index - 'A' + 10; + if (ACPI_IS_DIGIT(*string)) { + + /* Convert ASCII 0-9 to Decimal value */ + + this_digit = ((u8) * string) - '0'; + } else if (base == 10) { + + /* Digit is out of range; possible in to_integer case only */ + + term = 1; + } else { + this_digit = (u8) ACPI_TOUPPER(*string); + if (ACPI_IS_XDIGIT((char)this_digit)) { + + /* Convert ASCII Hex char to value */ + + this_digit = this_digit - 'A' + 10; + } else { + term = 1; } - else { + } + + if (term) { + if (to_integer_op) { goto error_exit; + } else { + break; } + } else if ((valid_digits == 0) && (this_digit == 0) + && !sign_of0x) { + + /* Skip zeros */ + string++; + continue; } - if (index >= base) { + valid_digits++; + + if (sign_of0x + && ((valid_digits > 16) + || ((valid_digits > 8) && mode32))) { + /* + * This is to_integer operation case. + * No any restrictions for string-to-integer conversion, + * see ACPI spec. + */ goto error_exit; } - /* Check to see if value is out of range: */ + /* Divide the digit into the correct position */ + + (void) + acpi_ut_short_divide((dividend - (acpi_integer) this_digit), + base, "ient, NULL); - dividend = ACPI_INTEGER_MAX - (acpi_integer) index; - (void) acpi_ut_short_divide (÷nd, base, "ient, NULL); if (return_value > quotient) { - goto error_exit; + if (to_integer_op) { + goto error_exit; + } else { + break; + } } return_value *= base; - return_value += index; - ++string; + return_value += this_digit; + string++; } - *ret_integer = return_value; - return (status); + /* All done, normal exit */ + all_done: -error_exit: - switch (base) { - case 8: - status = AE_BAD_OCTAL_CONSTANT; - break; + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n", + ACPI_FORMAT_UINT64(return_value))); - case 10: - status = AE_BAD_DECIMAL_CONSTANT; - break; + *ret_integer = return_value; + return_ACPI_STATUS(AE_OK); - case 16: - status = AE_BAD_HEX_CONSTANT; - break; + error_exit: + /* Base was set/validated above */ - default: - /* Base validated above */ - break; + if (base == 10) { + return_ACPI_STATUS(AE_BAD_DECIMAL_CONSTANT); + } else { + return_ACPI_STATUS(AE_BAD_HEX_CONSTANT); } - - return (status); } - /******************************************************************************* * - * FUNCTION: acpi_ut_strupr + * FUNCTION: acpi_ut_create_update_state_and_push * - * PARAMETERS: src_string - The source string to convert to + * PARAMETERS: Object - Object to be added to the new state + * Action - Increment/Decrement + * state_list - List the state will be added to * - * RETURN: src_string + * RETURN: Status * - * DESCRIPTION: Convert string to uppercase + * DESCRIPTION: Create a new state and push it * ******************************************************************************/ -char * -acpi_ut_strupr ( - char *src_string) +acpi_status +acpi_ut_create_update_state_and_push(union acpi_operand_object *object, + u16 action, + union acpi_generic_state **state_list) { - char *string; + union acpi_generic_state *state; + ACPI_FUNCTION_ENTRY(); - ACPI_FUNCTION_ENTRY (); - + /* Ignore null objects; these are expected */ - /* Walk entire string, uppercasing the letters */ + if (!object) { + return (AE_OK); + } - for (string = src_string; *string; ) { - *string = (char) ACPI_TOUPPER (*string); - string++; + state = acpi_ut_create_update_state(object, action); + if (!state) { + return (AE_NO_MEMORY); } - return (src_string); + acpi_ut_push_generic_state(state_list, state); + return (AE_OK); } - /******************************************************************************* * - * FUNCTION: acpi_ut_mutex_initialize + * FUNCTION: acpi_ut_walk_package_tree * - * PARAMETERS: None. + * PARAMETERS: source_object - The package to walk + * target_object - Target object (if package is being copied) + * walk_callback - Called once for each package element + * Context - Passed to the callback function * * RETURN: Status * - * DESCRIPTION: Create the system mutex objects. + * DESCRIPTION: Walk through a package * ******************************************************************************/ acpi_status -acpi_ut_mutex_initialize ( - void) +acpi_ut_walk_package_tree(union acpi_operand_object * source_object, + void *target_object, + acpi_pkg_callback walk_callback, void *context) { - u32 i; - acpi_status status; - + acpi_status status = AE_OK; + union acpi_generic_state *state_list = NULL; + union acpi_generic_state *state; + u32 this_index; + union acpi_operand_object *this_source_obj; - ACPI_FUNCTION_TRACE ("ut_mutex_initialize"); + ACPI_FUNCTION_TRACE(ut_walk_package_tree); - - /* - * Create each of the predefined mutex objects - */ - for (i = 0; i < NUM_MUTEX; i++) { - status = acpi_ut_create_mutex (i); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); - } + state = acpi_ut_create_pkg_state(source_object, target_object, 0); + if (!state) { + return_ACPI_STATUS(AE_NO_MEMORY); } - status = acpi_os_create_lock (&acpi_gbl_gpe_lock); - return_ACPI_STATUS (status); -} + while (state) { + /* Get one element of the package */ -/******************************************************************************* - * - * FUNCTION: acpi_ut_mutex_terminate - * - * PARAMETERS: None. - * - * RETURN: None. - * - * DESCRIPTION: Delete all of the system mutex objects. - * - ******************************************************************************/ - -void -acpi_ut_mutex_terminate ( - void) -{ - u32 i; - - - ACPI_FUNCTION_TRACE ("ut_mutex_terminate"); - - - /* - * Delete each predefined mutex object - */ - for (i = 0; i < NUM_MUTEX; i++) { - (void) acpi_ut_delete_mutex (i); - } - - acpi_os_delete_lock (acpi_gbl_gpe_lock); - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_mutex - * - * PARAMETERS: mutex_iD - ID of the mutex to be created - * - * RETURN: Status - * - * DESCRIPTION: Create a mutex object. - * - ******************************************************************************/ - -acpi_status -acpi_ut_create_mutex ( - acpi_mutex_handle mutex_id) -{ - acpi_status status = AE_OK; - - - ACPI_FUNCTION_TRACE_U32 ("ut_create_mutex", mutex_id); - - - if (mutex_id > MAX_MUTEX) { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - if (!acpi_gbl_mutex_info[mutex_id].mutex) { - status = acpi_os_create_semaphore (1, 1, - &acpi_gbl_mutex_info[mutex_id].mutex); - acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED; - acpi_gbl_mutex_info[mutex_id].use_count = 0; - } - - return_ACPI_STATUS (status); -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_delete_mutex - * - * PARAMETERS: mutex_iD - ID of the mutex to be deleted - * - * RETURN: Status - * - * DESCRIPTION: Delete a mutex object. - * - ******************************************************************************/ - -acpi_status -acpi_ut_delete_mutex ( - acpi_mutex_handle mutex_id) -{ - acpi_status status; - - - ACPI_FUNCTION_TRACE_U32 ("ut_delete_mutex", mutex_id); - - - if (mutex_id > MAX_MUTEX) { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex); - - acpi_gbl_mutex_info[mutex_id].mutex = NULL; - acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED; - - return_ACPI_STATUS (status); -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_acquire_mutex - * - * PARAMETERS: mutex_iD - ID of the mutex to be acquired - * - * RETURN: Status - * - * DESCRIPTION: Acquire a mutex object. - * - ******************************************************************************/ - -acpi_status -acpi_ut_acquire_mutex ( - acpi_mutex_handle mutex_id) -{ - acpi_status status; - u32 i; - u32 this_thread_id; - - - ACPI_FUNCTION_NAME ("ut_acquire_mutex"); - - - if (mutex_id > MAX_MUTEX) { - return (AE_BAD_PARAMETER); - } - - this_thread_id = acpi_os_get_thread_id (); - - /* - * Deadlock prevention. Check if this thread owns any mutexes of value - * greater than or equal to this one. If so, the thread has violated - * the mutex ordering rule. This indicates a coding error somewhere in - * the ACPI subsystem code. - */ - for (i = mutex_id; i < MAX_MUTEX; i++) { - if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) { - if (i == mutex_id) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Mutex [%s] already acquired by this thread [%X]\n", - acpi_ut_get_mutex_name (mutex_id), this_thread_id)); - - return (AE_ALREADY_ACQUIRED); - } - - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Invalid acquire order: Thread %X owns [%s], wants [%s]\n", - this_thread_id, acpi_ut_get_mutex_name (i), - acpi_ut_get_mutex_name (mutex_id))); - - return (AE_ACQUIRE_DEADLOCK); - } - } - - ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, - "Thread %X attempting to acquire Mutex [%s]\n", - this_thread_id, acpi_ut_get_mutex_name (mutex_id))); - - status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, - 1, ACPI_WAIT_FOREVER); - if (ACPI_SUCCESS (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n", - this_thread_id, acpi_ut_get_mutex_name (mutex_id))); - - acpi_gbl_mutex_info[mutex_id].use_count++; - acpi_gbl_mutex_info[mutex_id].owner_id = this_thread_id; - } - else { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Thread %X could not acquire Mutex [%s] %s\n", - this_thread_id, acpi_ut_get_mutex_name (mutex_id), - acpi_format_exception (status))); - } - - return (status); -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_release_mutex - * - * PARAMETERS: mutex_iD - ID of the mutex to be released - * - * RETURN: Status - * - * DESCRIPTION: Release a mutex object. - * - ******************************************************************************/ - -acpi_status -acpi_ut_release_mutex ( - acpi_mutex_handle mutex_id) -{ - acpi_status status; - u32 i; - u32 this_thread_id; - - - ACPI_FUNCTION_NAME ("ut_release_mutex"); - - - this_thread_id = acpi_os_get_thread_id (); - ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, - "Thread %X releasing Mutex [%s]\n", this_thread_id, - acpi_ut_get_mutex_name (mutex_id))); - - if (mutex_id > MAX_MUTEX) { - return (AE_BAD_PARAMETER); - } - - /* - * Mutex must be acquired in order to release it! - */ - if (acpi_gbl_mutex_info[mutex_id].owner_id == ACPI_MUTEX_NOT_ACQUIRED) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Mutex [%s] is not acquired, cannot release\n", - acpi_ut_get_mutex_name (mutex_id))); - - return (AE_NOT_ACQUIRED); - } - - /* - * Deadlock prevention. Check if this thread owns any mutexes of value - * greater than this one. If so, the thread has violated the mutex - * ordering rule. This indicates a coding error somewhere in - * the ACPI subsystem code. - */ - for (i = mutex_id; i < MAX_MUTEX; i++) { - if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) { - if (i == mutex_id) { - continue; - } - - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Invalid release order: owns [%s], releasing [%s]\n", - acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id))); - - return (AE_RELEASE_DEADLOCK); - } - } - - /* Mark unlocked FIRST */ - - acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED; - - status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1); - - if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Thread %X could not release Mutex [%s] %s\n", - this_thread_id, acpi_ut_get_mutex_name (mutex_id), - acpi_format_exception (status))); - } - else { - ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n", - this_thread_id, acpi_ut_get_mutex_name (mutex_id))); - } - - return (status); -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_update_state_and_push - * - * PARAMETERS: *Object - Object to be added to the new state - * Action - Increment/Decrement - * state_list - List the state will be added to - * - * RETURN: None - * - * DESCRIPTION: Create a new state and push it - * - ******************************************************************************/ - -acpi_status -acpi_ut_create_update_state_and_push ( - union acpi_operand_object *object, - u16 action, - union acpi_generic_state **state_list) -{ - union acpi_generic_state *state; - - - ACPI_FUNCTION_ENTRY (); - - - /* Ignore null objects; these are expected */ - - if (!object) { - return (AE_OK); - } - - state = acpi_ut_create_update_state (object, action); - if (!state) { - return (AE_NO_MEMORY); - } - - acpi_ut_push_generic_state (state_list, state); - return (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_pkg_state_and_push - * - * PARAMETERS: *Object - Object to be added to the new state - * Action - Increment/Decrement - * state_list - List the state will be added to - * - * RETURN: None - * - * DESCRIPTION: Create a new state and push it - * - ******************************************************************************/ - -acpi_status -acpi_ut_create_pkg_state_and_push ( - void *internal_object, - void *external_object, - u16 index, - union acpi_generic_state **state_list) -{ - union acpi_generic_state *state; - - - ACPI_FUNCTION_ENTRY (); - - - state = acpi_ut_create_pkg_state (internal_object, external_object, index); - if (!state) { - return (AE_NO_MEMORY); - } - - acpi_ut_push_generic_state (state_list, state); - return (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_push_generic_state - * - * PARAMETERS: list_head - Head of the state stack - * State - State object to push - * - * RETURN: Status - * - * DESCRIPTION: Push a state object onto a state stack - * - ******************************************************************************/ - -void -acpi_ut_push_generic_state ( - union acpi_generic_state **list_head, - union acpi_generic_state *state) -{ - ACPI_FUNCTION_TRACE ("ut_push_generic_state"); - - - /* Push the state object onto the front of the list (stack) */ - - state->common.next = *list_head; - *list_head = state; - - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_pop_generic_state - * - * PARAMETERS: list_head - Head of the state stack - * - * RETURN: Status - * - * DESCRIPTION: Pop a state object from a state stack - * - ******************************************************************************/ - -union acpi_generic_state * -acpi_ut_pop_generic_state ( - union acpi_generic_state **list_head) -{ - union acpi_generic_state *state; - - - ACPI_FUNCTION_TRACE ("ut_pop_generic_state"); - - - /* Remove the state object at the head of the list (stack) */ - - state = *list_head; - if (state) { - /* Update the list head */ - - *list_head = state->common.next; - } - - return_PTR (state); -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_generic_state - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Create a generic state object. Attempt to obtain one from - * the global state cache; If none available, create a new one. - * - ******************************************************************************/ - -union acpi_generic_state * -acpi_ut_create_generic_state (void) -{ - union acpi_generic_state *state; - - - ACPI_FUNCTION_ENTRY (); - - - state = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_STATE); - - /* Initialize */ - - if (state) { - state->common.data_type = ACPI_DESC_TYPE_STATE; - } - - return (state); -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_thread_state - * - * PARAMETERS: None - * - * RETURN: Thread State - * - * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used - * to track per-thread info during method execution - * - ******************************************************************************/ - -struct acpi_thread_state * -acpi_ut_create_thread_state ( - void) -{ - union acpi_generic_state *state; - - - ACPI_FUNCTION_TRACE ("ut_create_thread_state"); - - - /* Create the generic state object */ - - state = acpi_ut_create_generic_state (); - if (!state) { - return_PTR (NULL); - } - - /* Init fields specific to the update struct */ - - state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD; - state->thread.thread_id = acpi_os_get_thread_id (); - - return_PTR ((struct acpi_thread_state *) state); -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_update_state - * - * PARAMETERS: Object - Initial Object to be installed in the - * state - * Action - Update action to be performed - * - * RETURN: Status - * - * DESCRIPTION: Create an "Update State" - a flavor of the generic state used - * to update reference counts and delete complex objects such - * as packages. - * - ******************************************************************************/ - -union acpi_generic_state * -acpi_ut_create_update_state ( - union acpi_operand_object *object, - u16 action) -{ - union acpi_generic_state *state; - - - ACPI_FUNCTION_TRACE_PTR ("ut_create_update_state", object); - - - /* Create the generic state object */ - - state = acpi_ut_create_generic_state (); - if (!state) { - return_PTR (NULL); - } - - /* Init fields specific to the update struct */ - - state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE; - state->update.object = object; - state->update.value = action; - - return_PTR (state); -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_pkg_state - * - * PARAMETERS: Object - Initial Object to be installed in the - * state - * Action - Update action to be performed - * - * RETURN: Status - * - * DESCRIPTION: Create a "Package State" - * - ******************************************************************************/ - -union acpi_generic_state * -acpi_ut_create_pkg_state ( - void *internal_object, - void *external_object, - u16 index) -{ - union acpi_generic_state *state; - - - ACPI_FUNCTION_TRACE_PTR ("ut_create_pkg_state", internal_object); - - - /* Create the generic state object */ - - state = acpi_ut_create_generic_state (); - if (!state) { - return_PTR (NULL); - } - - /* Init fields specific to the update struct */ - - state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE; - state->pkg.source_object = (union acpi_operand_object *) internal_object; - state->pkg.dest_object = external_object; - state->pkg.index = index; - state->pkg.num_packages = 1; - - return_PTR (state); -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_create_control_state - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Create a "Control State" - a flavor of the generic state used - * to support nested IF/WHILE constructs in the AML. - * - ******************************************************************************/ - -union acpi_generic_state * -acpi_ut_create_control_state ( - void) -{ - union acpi_generic_state *state; - - - ACPI_FUNCTION_TRACE ("ut_create_control_state"); - - - /* Create the generic state object */ - - state = acpi_ut_create_generic_state (); - if (!state) { - return_PTR (NULL); - } - - /* Init fields specific to the control struct */ - - state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL; - state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING; - - return_PTR (state); -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_delete_generic_state - * - * PARAMETERS: State - The state object to be deleted - * - * RETURN: Status - * - * DESCRIPTION: Put a state object back into the global state cache. The object - * is not actually freed at this time. - * - ******************************************************************************/ - -void -acpi_ut_delete_generic_state ( - union acpi_generic_state *state) -{ - ACPI_FUNCTION_TRACE ("ut_delete_generic_state"); - - - acpi_ut_release_to_cache (ACPI_MEM_LIST_STATE, state); - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_delete_generic_state_cache - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Purge the global state object cache. Used during subsystem - * termination. - * - ******************************************************************************/ - -void -acpi_ut_delete_generic_state_cache ( - void) -{ - ACPI_FUNCTION_TRACE ("ut_delete_generic_state_cache"); - - - acpi_ut_delete_generic_cache (ACPI_MEM_LIST_STATE); - return_VOID; -} - - -/******************************************************************************* - * - * FUNCTION: acpi_ut_walk_package_tree - * - * PARAMETERS: obj_desc - The Package object on which to resolve refs - * - * RETURN: Status - * - * DESCRIPTION: Walk through a package - * - ******************************************************************************/ - -acpi_status -acpi_ut_walk_package_tree ( - union acpi_operand_object *source_object, - void *target_object, - acpi_pkg_callback walk_callback, - void *context) -{ - acpi_status status = AE_OK; - union acpi_generic_state *state_list = NULL; - union acpi_generic_state *state; - u32 this_index; - union acpi_operand_object *this_source_obj; - - - ACPI_FUNCTION_TRACE ("ut_walk_package_tree"); - - - state = acpi_ut_create_pkg_state (source_object, target_object, 0); - if (!state) { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - while (state) { - /* Get one element of the package */ - - this_index = state->pkg.index; - this_source_obj = (union acpi_operand_object *) - state->pkg.source_object->package.elements[this_index]; + this_index = state->pkg.index; + this_source_obj = (union acpi_operand_object *) + state->pkg.source_object->package.elements[this_index]; /* * Check for: @@ -1281,16 +868,20 @@ acpi_ut_walk_package_tree ( * case below. */ if ((!this_source_obj) || - (ACPI_GET_DESCRIPTOR_TYPE (this_source_obj) != ACPI_DESC_TYPE_OPERAND) || - (ACPI_GET_OBJECT_TYPE (this_source_obj) != ACPI_TYPE_PACKAGE)) { - status = walk_callback (ACPI_COPY_TYPE_SIMPLE, this_source_obj, - state, context); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + (ACPI_GET_DESCRIPTOR_TYPE(this_source_obj) != + ACPI_DESC_TYPE_OPERAND) + || (ACPI_GET_OBJECT_TYPE(this_source_obj) != + ACPI_TYPE_PACKAGE)) { + status = + walk_callback(ACPI_COPY_TYPE_SIMPLE, + this_source_obj, state, context); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } state->pkg.index++; - while (state->pkg.index >= state->pkg.source_object->package.count) { + while (state->pkg.index >= + state->pkg.source_object->package.count) { /* * We've handled all of the objects at this level, This means * that we have just completed a package. That package may @@ -1298,8 +889,8 @@ acpi_ut_walk_package_tree ( * * Delete this state and pop the previous state (package). */ - acpi_ut_delete_generic_state (state); - state = acpi_ut_pop_generic_state (&state_list); + acpi_ut_delete_generic_state(state); + state = acpi_ut_pop_generic_state(&state_list); /* Finished when there are no more states */ @@ -1309,7 +900,7 @@ acpi_ut_walk_package_tree ( * package just add the length of the package objects * and exit */ - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } /* @@ -1318,194 +909,96 @@ acpi_ut_walk_package_tree ( */ state->pkg.index++; } - } - else { + } else { /* This is a subobject of type package */ - status = walk_callback (ACPI_COPY_TYPE_PACKAGE, this_source_obj, - state, context); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = + walk_callback(ACPI_COPY_TYPE_PACKAGE, + this_source_obj, state, context); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* * Push the current state and create a new one * The callback above returned a new target package object. */ - acpi_ut_push_generic_state (&state_list, state); - state = acpi_ut_create_pkg_state (this_source_obj, - state->pkg.this_target_obj, 0); + acpi_ut_push_generic_state(&state_list, state); + state = acpi_ut_create_pkg_state(this_source_obj, + state->pkg. + this_target_obj, 0); if (!state) { - return_ACPI_STATUS (AE_NO_MEMORY); + return_ACPI_STATUS(AE_NO_MEMORY); } } } /* We should never get here */ - return_ACPI_STATUS (AE_AML_INTERNAL); + return_ACPI_STATUS(AE_AML_INTERNAL); } - /******************************************************************************* * - * FUNCTION: acpi_ut_generate_checksum + * FUNCTION: acpi_ut_error, acpi_ut_warning, acpi_ut_info * - * PARAMETERS: Buffer - Buffer to be scanned - * Length - number of bytes to examine + * PARAMETERS: module_name - Caller's module name (for error output) + * line_number - Caller's line number (for error output) + * Format - Printf format string + additional args * - * RETURN: checksum + * RETURN: None * - * DESCRIPTION: Generate a checksum on a raw buffer + * DESCRIPTION: Print message with module/line/version info * ******************************************************************************/ -u8 -acpi_ut_generate_checksum ( - u8 *buffer, - u32 length) +void ACPI_INTERNAL_VAR_XFACE +acpi_ut_error(char *module_name, u32 line_number, char *format, ...) { - u32 i; - signed char sum = 0; - + va_list args; - for (i = 0; i < length; i++) { - sum = (signed char) (sum + buffer[i]); - } + acpi_os_printf("ACPI Error (%s-%04d): ", module_name, line_number); - return ((u8) (0 - sum)); + va_start(args, format); + acpi_os_vprintf(format, args); + acpi_os_printf(" [%X]\n", ACPI_CA_VERSION); } - -/******************************************************************************* - * - * FUNCTION: acpi_ut_get_resource_end_tag - * - * PARAMETERS: obj_desc - The resource template buffer object - * - * RETURN: Pointer to the end tag - * - * DESCRIPTION: Find the END_TAG resource descriptor in a resource template - * - ******************************************************************************/ - - -u8 * -acpi_ut_get_resource_end_tag ( - union acpi_operand_object *obj_desc) +void ACPI_INTERNAL_VAR_XFACE +acpi_ut_exception(char *module_name, + u32 line_number, acpi_status status, char *format, ...) { - u8 buffer_byte; - u8 *buffer; - u8 *end_buffer; - - - buffer = obj_desc->buffer.pointer; - end_buffer = buffer + obj_desc->buffer.length; - - while (buffer < end_buffer) { - buffer_byte = *buffer; - if (buffer_byte & ACPI_RDESC_TYPE_MASK) { - /* Large Descriptor - Length is next 2 bytes */ - - buffer += ((*(buffer+1) | (*(buffer+2) << 8)) + 3); - } - else { - /* Small Descriptor. End Tag will be found here */ - - if ((buffer_byte & ACPI_RDESC_SMALL_MASK) == ACPI_RDESC_TYPE_END_TAG) { - /* Found the end tag descriptor, all done. */ - - return (buffer); - } - - /* Length is in the header */ - - buffer += ((buffer_byte & 0x07) + 1); - } - } + va_list args; - /* End tag not found */ + acpi_os_printf("ACPI Exception (%s-%04d): %s, ", module_name, + line_number, acpi_format_exception(status)); - return (NULL); + va_start(args, format); + acpi_os_vprintf(format, args); + acpi_os_printf(" [%X]\n", ACPI_CA_VERSION); } +EXPORT_SYMBOL(acpi_ut_exception); - -/******************************************************************************* - * - * FUNCTION: acpi_ut_report_error - * - * PARAMETERS: module_name - Caller's module name (for error output) - * line_number - Caller's line number (for error output) - * component_id - Caller's component ID (for error output) - * Message - Error message to use on failure - * - * RETURN: None - * - * DESCRIPTION: Print error message - * - ******************************************************************************/ - -void -acpi_ut_report_error ( - char *module_name, - u32 line_number, - u32 component_id) +void ACPI_INTERNAL_VAR_XFACE +acpi_ut_warning(char *module_name, u32 line_number, char *format, ...) { + va_list args; + acpi_os_printf("ACPI Warning (%s-%04d): ", module_name, line_number); - acpi_os_printf ("%8s-%04d: *** Error: ", module_name, line_number); + va_start(args, format); + acpi_os_vprintf(format, args); + acpi_os_printf(" [%X]\n", ACPI_CA_VERSION); } - -/******************************************************************************* - * - * FUNCTION: acpi_ut_report_warning - * - * PARAMETERS: module_name - Caller's module name (for error output) - * line_number - Caller's line number (for error output) - * component_id - Caller's component ID (for error output) - * Message - Error message to use on failure - * - * RETURN: None - * - * DESCRIPTION: Print warning message - * - ******************************************************************************/ - -void -acpi_ut_report_warning ( - char *module_name, - u32 line_number, - u32 component_id) +void ACPI_INTERNAL_VAR_XFACE +acpi_ut_info(char *module_name, u32 line_number, char *format, ...) { + va_list args; - acpi_os_printf ("%8s-%04d: *** Warning: ", module_name, line_number); -} + acpi_os_printf("ACPI (%s-%04d): ", module_name, line_number); - -/******************************************************************************* - * - * FUNCTION: acpi_ut_report_info - * - * PARAMETERS: module_name - Caller's module name (for error output) - * line_number - Caller's line number (for error output) - * component_id - Caller's component ID (for error output) - * Message - Error message to use on failure - * - * RETURN: None - * - * DESCRIPTION: Print information message - * - ******************************************************************************/ - -void -acpi_ut_report_info ( - char *module_name, - u32 line_number, - u32 component_id) -{ - - acpi_os_printf ("%8s-%04d: *** Info: ", module_name, line_number); + va_start(args, format); + acpi_os_vprintf(format, args); + acpi_os_printf(" [%X]\n", ACPI_CA_VERSION); } - -