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-rw-r--r--drivers/acpi/dispatcher/dsinit.c25
-rw-r--r--drivers/acpi/dispatcher/dswload.c2
-rw-r--r--drivers/acpi/executer/exconvrt.c12
-rw-r--r--drivers/acpi/executer/exdump.c15
-rw-r--r--drivers/acpi/executer/exmisc.c38
-rw-r--r--drivers/acpi/executer/exnames.c2
-rw-r--r--drivers/acpi/executer/exoparg2.c10
-rw-r--r--drivers/acpi/executer/exregion.c16
-rw-r--r--drivers/acpi/executer/exstorob.c4
-rw-r--r--drivers/acpi/parser/psargs.c152
-rw-r--r--drivers/acpi/parser/psparse.c35
-rw-r--r--drivers/acpi/parser/psxface.c2
-rw-r--r--drivers/acpi/resources/rscalc.c14
-rw-r--r--drivers/acpi/resources/rsdump.c24
-rw-r--r--drivers/acpi/resources/rslist.c4
-rw-r--r--drivers/acpi/resources/rsmisc.c92
-rw-r--r--drivers/acpi/resources/rsutils.c22
-rw-r--r--drivers/acpi/resources/rsxface.c208
-rw-r--r--drivers/acpi/scan.c2
-rw-r--r--drivers/acpi/tables/tbconvrt.c4
-rw-r--r--drivers/acpi/tables/tbgetall.c4
-rw-r--r--drivers/acpi/tables/tbutils.c8
-rw-r--r--drivers/acpi/utilities/utcopy.c19
-rw-r--r--drivers/acpi/utilities/utglobal.c4
-rw-r--r--drivers/acpi/utilities/utmisc.c34
-rw-r--r--drivers/acpi/utilities/utresrc.c19
26 files changed, 449 insertions, 322 deletions
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index 8693c704aea..4fa80abfe6c 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -118,14 +118,6 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
case ACPI_TYPE_METHOD:
/*
- * Print a dot for each method unless we are going to print
- * the entire pathname
- */
- if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
- ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
- }
-
- /*
* Set the execution data width (32 or 64) based upon the
* revision number of the parent ACPI table.
* TBD: This is really for possible future support of integer width
@@ -134,6 +126,21 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
if (info->table_desc->pointer->revision == 1) {
node->flags |= ANOBJ_DATA_WIDTH_32;
}
+#ifdef ACPI_INIT_PARSE_METHODS
+ /*
+ * Note 11/2005: Removed this code to parse all methods during table
+ * load because it causes problems if there are any errors during the
+ * parse. Also, it seems like overkill and we probably don't want to
+ * abort a table load because of an issue with a single method.
+ */
+
+ /*
+ * Print a dot for each method unless we are going to print
+ * the entire pathname
+ */
+ if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
+ }
/*
* Always parse methods to detect errors, we will delete
@@ -149,7 +156,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
/* This parse failed, but we will continue parsing more methods */
}
-
+#endif
info->method_count++;
break;
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
index 411731261c2..89d318cbc8a 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/dispatcher/dswload.c
@@ -311,7 +311,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
op->named.name = node->name.integer;
#if (defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY))
- op->named.path = (u8 *) path;
+ op->named.path = ACPI_CAST_PTR(u8, path);
#endif
/*
diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c
index 04e5194989a..fa9e75d4ec6 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/executer/exconvrt.c
@@ -504,18 +504,12 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
}
/*
- * Perform the conversion.
+ * Create a new string object and string buffer
* (-1 because of extra separator included in string_length from above)
*/
- string_length--;
- if (string_length > ACPI_MAX_STRING_CONVERSION) { /* ACPI limit */
- return_ACPI_STATUS(AE_AML_STRING_LIMIT);
- }
-
- /* Create a new string object and string buffer */
-
return_desc =
- acpi_ut_create_string_object((acpi_size) string_length);
+ acpi_ut_create_string_object((acpi_size)
+ (string_length - 1));
if (!return_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 5a4cca171af..17c79cd91b3 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -117,12 +117,13 @@ static struct acpi_exdump_info acpi_ex_dump_event[2] = {
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.semaphore), "Semaphore"}
};
-static struct acpi_exdump_info acpi_ex_dump_method[7] = {
+static struct acpi_exdump_info acpi_ex_dump_method[8] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "param_count"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.concurrency), "Concurrency"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.semaphore), "Semaphore"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},
+ {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.thread_count), "Thread Count"},
{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(method.aml_length), "Aml Length"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.aml_start), "Aml Start"}
};
@@ -339,7 +340,7 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
count = info->offset;
while (count) {
- target = ((u8 *) obj_desc) + info->offset;
+ target = ACPI_ADD_PTR(u8, obj_desc, info->offset);
name = info->name;
switch (info->opcode) {
@@ -360,20 +361,19 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
case ACPI_EXD_UINT16:
acpi_os_printf("%20s : %4.4X\n", name,
- *ACPI_CAST_PTR(u16, target));
+ ACPI_GET16(target));
break;
case ACPI_EXD_UINT32:
acpi_os_printf("%20s : %8.8X\n", name,
- *ACPI_CAST_PTR(u32, target));
+ ACPI_GET32(target));
break;
case ACPI_EXD_UINT64:
acpi_os_printf("%20s : %8.8X%8.8X\n", "Value",
- ACPI_FORMAT_UINT64(*ACPI_CAST_PTR
- (u64, target)));
+ ACPI_FORMAT_UINT64(ACPI_GET64(target)));
break;
case ACPI_EXD_POINTER:
@@ -969,7 +969,8 @@ acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
acpi_os_printf("[Buffer] Length %.2X = ",
obj_desc->buffer.length);
if (obj_desc->buffer.length) {
- acpi_ut_dump_buffer((u8 *) obj_desc->buffer.pointer,
+ acpi_ut_dump_buffer(ACPI_CAST_PTR
+ (u8, obj_desc->buffer.pointer),
obj_desc->buffer.length,
DB_DWORD_DISPLAY, _COMPONENT);
} else {
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c
index 00a25f8188f..0778bff632b 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/executer/exmisc.c
@@ -205,11 +205,9 @@ acpi_ex_concat_template(union acpi_operand_object *operand0,
ACPI_MEMCPY(new_buf, operand0->buffer.pointer, length0);
ACPI_MEMCPY(new_buf + length0, operand1->buffer.pointer, length1);
- /* Compute the new checksum */
+ /* Set the end_tag checksum to zero, means "ignore checksum" */
- new_buf[return_desc->buffer.length - 1] =
- acpi_ut_generate_checksum(return_desc->buffer.pointer,
- (return_desc->buffer.length - 1));
+ new_buf[return_desc->buffer.length - 1] = 0;
/* Return the completed resource template */
@@ -242,7 +240,6 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
union acpi_operand_object *return_desc;
char *new_buf;
acpi_status status;
- acpi_size new_length;
ACPI_FUNCTION_TRACE("ex_do_concatenate");
@@ -269,7 +266,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
break;
default:
- ACPI_REPORT_ERROR(("Concat - invalid obj type: %X\n",
+ ACPI_REPORT_ERROR(("Concatanate - invalid object type: %X\n",
ACPI_GET_OBJECT_TYPE(operand0)));
status = AE_AML_INTERNAL;
}
@@ -309,8 +306,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
/* Copy the first integer, LSB first */
- ACPI_MEMCPY(new_buf,
- &operand0->integer.value,
+ ACPI_MEMCPY(new_buf, &operand0->integer.value,
acpi_gbl_integer_byte_width);
/* Copy the second integer (LSB first) after the first */
@@ -324,14 +320,11 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
/* Result of two Strings is a String */
- new_length = (acpi_size) operand0->string.length +
- (acpi_size) local_operand1->string.length;
- if (new_length > ACPI_MAX_STRING_CONVERSION) {
- status = AE_AML_STRING_LIMIT;
- goto cleanup;
- }
-
- return_desc = acpi_ut_create_string_object(new_length);
+ return_desc = acpi_ut_create_string_object((acpi_size)
+ (operand0->string.
+ length +
+ local_operand1->
+ string.length));
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -351,11 +344,10 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
/* Result of two Buffers is a Buffer */
return_desc = acpi_ut_create_buffer_object((acpi_size)
- operand0->buffer.
- length +
- (acpi_size)
- local_operand1->
- buffer.length);
+ (operand0->buffer.
+ length +
+ local_operand1->
+ buffer.length));
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -365,8 +357,8 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
/* Concatenate the buffers */
- ACPI_MEMCPY(new_buf,
- operand0->buffer.pointer, operand0->buffer.length);
+ ACPI_MEMCPY(new_buf, operand0->buffer.pointer,
+ operand0->buffer.length);
ACPI_MEMCPY(new_buf + operand0->buffer.length,
local_operand1->buffer.pointer,
local_operand1->buffer.length);
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
index dff41121a30..7bb5e17b568 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/executer/exnames.c
@@ -216,7 +216,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
*aml_address, aml_address));
}
- *in_aml_address = (u8 *) aml_address;
+ *in_aml_address = ACPI_CAST_PTR(u8, aml_address);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/executer/exoparg2.c b/drivers/acpi/executer/exoparg2.c
index 8d70c6beef0..d8472842c1f 100644
--- a/drivers/acpi/executer/exoparg2.c
+++ b/drivers/acpi/executer/exoparg2.c
@@ -344,10 +344,6 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
(length < operand[1]->integer.value) &&
(operand[0]->buffer.pointer[length])) {
length++;
- if (length > ACPI_MAX_STRING_CONVERSION) {
- status = AE_AML_STRING_LIMIT;
- goto cleanup;
- }
}
/* Allocate a new string object */
@@ -358,8 +354,10 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
goto cleanup;
}
- /* Copy the raw buffer data with no transform. NULL terminated already */
-
+ /*
+ * Copy the raw buffer data with no transform.
+ * (NULL terminated already)
+ */
ACPI_MEMCPY(return_desc->string.pointer,
operand[0]->buffer.pointer, length);
break;
diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c
index 1897379b5f9..80118be3f54 100644
--- a/drivers/acpi/executer/exregion.c
+++ b/drivers/acpi/executer/exregion.c
@@ -199,20 +199,20 @@ acpi_ex_system_memory_space_handler(u32 function,
*value = 0;
switch (bit_width) {
case 8:
- *value = (acpi_integer) * ((u8 *) logical_addr_ptr);
+ *value = (acpi_integer) ACPI_GET8(logical_addr_ptr);
break;
case 16:
- *value = (acpi_integer) * ((u16 *) logical_addr_ptr);
+ *value = (acpi_integer) ACPI_GET16(logical_addr_ptr);
break;
case 32:
- *value = (acpi_integer) * ((u32 *) logical_addr_ptr);
+ *value = (acpi_integer) ACPI_GET32(logical_addr_ptr);
break;
#if ACPI_MACHINE_WIDTH != 16
case 64:
- *value = (acpi_integer) * ((u64 *) logical_addr_ptr);
+ *value = (acpi_integer) ACPI_GET64(logical_addr_ptr);
break;
#endif
default:
@@ -225,20 +225,20 @@ acpi_ex_system_memory_space_handler(u32 function,
switch (bit_width) {
case 8:
- *(u8 *) logical_addr_ptr = (u8) * value;
+ ACPI_SET8(logical_addr_ptr) = (u8) * value;
break;
case 16:
- *(u16 *) logical_addr_ptr = (u16) * value;
+ ACPI_SET16(logical_addr_ptr) = (u16) * value;
break;
case 32:
- *(u32 *) logical_addr_ptr = (u32) * value;
+ ACPI_SET32(logical_addr_ptr) = (u32) * value;
break;
#if ACPI_MACHINE_WIDTH != 16
case 64:
- *(u64 *) logical_addr_ptr = (u64) * value;
+ ACPI_SET64(logical_addr_ptr) = (u64) * value;
break;
#endif
diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/executer/exstorob.c
index c4ff654a669..855db713075 100644
--- a/drivers/acpi/executer/exstorob.c
+++ b/drivers/acpi/executer/exstorob.c
@@ -71,7 +71,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
/* We know that source_desc is a buffer by now */
- buffer = (u8 *) source_desc->buffer.pointer;
+ buffer = ACPI_CAST_PTR(u8, source_desc->buffer.pointer);
length = source_desc->buffer.length;
/*
@@ -160,7 +160,7 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
/* We know that source_desc is a string by now */
- buffer = (u8 *) source_desc->string.pointer;
+ buffer = ACPI_CAST_PTR(u8, source_desc->string.pointer);
length = source_desc->string.length;
/*
diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c
index 562d0f822ab..6eae35febcc 100644
--- a/drivers/acpi/parser/psargs.c
+++ b/drivers/acpi/parser/psargs.c
@@ -62,61 +62,51 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
*
* PARAMETERS: parser_state - Current parser state object
*
- * RETURN: Decoded package length. On completion, the AML pointer points
+ * RETURN: Decoded package length. On completion, the AML pointer points
* past the length byte or bytes.
*
- * DESCRIPTION: Decode and return a package length field
+ * DESCRIPTION: Decode and return a package length field.
+ * Note: Largest package length is 28 bits, from ACPI specification
*
******************************************************************************/
static u32
acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
{
- u32 encoded_length;
- u32 length = 0;
+ u8 *aml = parser_state->aml;
+ u32 package_length = 0;
+ acpi_native_uint byte_count;
+ u8 byte_zero_mask = 0x3F; /* Default [0:5] */
ACPI_FUNCTION_TRACE("ps_get_next_package_length");
- encoded_length = (u32) ACPI_GET8(parser_state->aml);
- parser_state->aml++;
-
- switch (encoded_length >> 6) { /* bits 6-7 contain encoding scheme */
- case 0: /* 1-byte encoding (bits 0-5) */
-
- length = (encoded_length & 0x3F);
- break;
-
- case 1: /* 2-byte encoding (next byte + bits 0-3) */
-
- length = ((ACPI_GET8(parser_state->aml) << 04) |
- (encoded_length & 0x0F));
- parser_state->aml++;
- break;
-
- case 2: /* 3-byte encoding (next 2 bytes + bits 0-3) */
-
- length = ((ACPI_GET8(parser_state->aml + 1) << 12) |
- (ACPI_GET8(parser_state->aml) << 04) |
- (encoded_length & 0x0F));
- parser_state->aml += 2;
- break;
-
- case 3: /* 4-byte encoding (next 3 bytes + bits 0-3) */
+ /*
+ * Byte 0 bits [6:7] contain the number of additional bytes
+ * used to encode the package length, either 0,1,2, or 3
+ */
+ byte_count = (aml[0] >> 6);
+ parser_state->aml += (byte_count + 1);
- length = ((ACPI_GET8(parser_state->aml + 2) << 20) |
- (ACPI_GET8(parser_state->aml + 1) << 12) |
- (ACPI_GET8(parser_state->aml) << 04) |
- (encoded_length & 0x0F));
- parser_state->aml += 3;
- break;
+ /* Get bytes 3, 2, 1 as needed */
- default:
+ while (byte_count) {
+ /*
+ * Final bit positions for the package length bytes:
+ * Byte3->[20:27]
+ * Byte2->[12:19]
+ * Byte1->[04:11]
+ * Byte0->[00:03]
+ */
+ package_length |= (aml[byte_count] << ((byte_count << 3) - 4));
- /* Can't get here, only 2 bits / 4 cases */
- break;
+ byte_zero_mask = 0x0F; /* Use bits [0:3] of byte 0 */
+ byte_count--;
}
- return_UINT32(length);
+ /* Byte 0 is a special case, either bits [0:3] or [0:5] are used */
+
+ package_length |= (aml[0] & byte_zero_mask);
+ return_UINT32(package_length);
}
/*******************************************************************************
@@ -135,16 +125,15 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
u8 *acpi_ps_get_next_package_end(struct acpi_parse_state *parser_state)
{
u8 *start = parser_state->aml;
- acpi_native_uint length;
+ u32 package_length;
ACPI_FUNCTION_TRACE("ps_get_next_package_end");
- /* Function below changes parser_state->Aml */
+ /* Function below updates parser_state->Aml */
- length =
- (acpi_native_uint) acpi_ps_get_next_package_length(parser_state);
+ package_length = acpi_ps_get_next_package_length(parser_state);
- return_PTR(start + length); /* end of package */
+ return_PTR(start + package_length); /* end of package */
}
/*******************************************************************************
@@ -169,17 +158,15 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state)
ACPI_FUNCTION_TRACE("ps_get_next_namestring");
- /* Handle multiple prefix characters */
-
- while (acpi_ps_is_prefix_char(ACPI_GET8(end))) {
- /* Include prefix '\\' or '^' */
+ /* Point past any namestring prefix characters (backslash or carat) */
+ while (acpi_ps_is_prefix_char(*end)) {
end++;
}
- /* Decode the path */
+ /* Decode the path prefix character */
- switch (ACPI_GET8(end)) {
+ switch (*end) {
case 0:
/* null_name */
@@ -199,9 +186,9 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state)
case AML_MULTI_NAME_PREFIX_OP:
- /* Multiple name segments, 4 chars each */
+ /* Multiple name segments, 4 chars each, count in next byte */
- end += 2 + ((acpi_size) ACPI_GET8(end + 1) * ACPI_NAME_SIZE);
+ end += 2 + (*(end + 1) * ACPI_NAME_SIZE);
break;
default:
@@ -212,7 +199,7 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state)
break;
}
- parser_state->aml = (u8 *) end;
+ parser_state->aml = end;
return_PTR((char *)start);
}
@@ -342,7 +329,6 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
("search_node %p start_node %p return_node %p\n",
scope_info.scope.node,
parser_state->start_node, node);
-
} else {
/*
* We got a NOT_FOUND during table load or we encountered
@@ -382,59 +368,63 @@ void
acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
u32 arg_type, union acpi_parse_object *arg)
{
+ u32 length;
+ u16 opcode;
+ u8 *aml = parser_state->aml;
ACPI_FUNCTION_TRACE_U32("ps_get_next_simple_arg", arg_type);
switch (arg_type) {
case ARGP_BYTEDATA:
- acpi_ps_init_op(arg, AML_BYTE_OP);
- arg->common.value.integer = (u32) ACPI_GET8(parser_state->aml);
- parser_state->aml++;
+ /* Get 1 byte from the AML stream */
+
+ opcode = AML_BYTE_OP;
+ arg->common.value.integer = (acpi_integer) * aml;
+ length = 1;
break;
case ARGP_WORDDATA:
- acpi_ps_init_op(arg, AML_WORD_OP);
-
/* Get 2 bytes from the AML stream */
- ACPI_MOVE_16_TO_32(&arg->common.value.integer,
- parser_state->aml);
- parser_state->aml += 2;
+ opcode = AML_WORD_OP;
+ ACPI_MOVE_16_TO_64(&arg->common.value.integer, aml);
+ length = 2;
break;
case ARGP_DWORDDATA:
- acpi_ps_init_op(arg, AML_DWORD_OP);
-
/* Get 4 bytes from the AML stream */
- ACPI_MOVE_32_TO_32(&arg->common.value.integer,
- parser_state->aml);
- parser_state->aml += 4;
+ opcode = AML_DWORD_OP;
+ ACPI_MOVE_32_TO_64(&arg->common.value.integer, aml);
+ length = 4;
break;
case ARGP_QWORDDATA:
- acpi_ps_init_op(arg, AML_QWORD_OP);
-
/* Get 8 bytes from the AML stream */
- ACPI_MOVE_64_TO_64(&arg->common.value.integer,
- parser_state->aml);
- parser_state->aml += 8;
+ opcode = AML_QWORD_OP;
+ ACPI_MOVE_64_TO_64(&arg->common.value.integer, aml);
+ length = 8;
break;
case ARGP_CHARLIST:
- acpi_ps_init_op(arg, AML_STRING_OP);
- arg->common.value.string = (char *)parser_state->aml;
+ /* Get a pointer to the string, point past the string */
+
+ opcode = AML_STRING_OP;
+ arg->common.value.string = ACPI_CAST_PTR(char, aml);
- while (ACPI_GET8(parser_state->aml) != '\0') {
- parser_state->aml++;
+ /* Find the null terminator */
+
+ length = 0;
+ while (aml[length]) {
+ length++;
}
- parser_state->aml++;
+ length++;
break;
case ARGP_NAME:
@@ -443,14 +433,16 @@ acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
acpi_ps_init_op(arg, AML_INT_NAMEPATH_OP);
arg->common.value.name =
acpi_ps_get_next_namestring(parser_state);
- break;
+ return_VOID;
default:
ACPI_REPORT_ERROR(("Invalid arg_type %X\n", arg_type));
- break;
+ return_VOID;
}
+ acpi_ps_init_op(arg, opcode);
+ parser_state->aml += length;
return_VOID;
}
@@ -540,7 +532,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
* access_type is first operand, access_attribute is second
*/
field->common.value.integer =
- (ACPI_GET8(parser_state->aml) << 8);
+ (((u32) ACPI_GET8(parser_state->aml) << 8));
parser_state->aml++;
field->common.value.integer |= ACPI_GET8(parser_state->aml);
parser_state->aml++;
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index 76d4d640d83..7cfa7eb0dfc 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -503,22 +503,23 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
} else if (status == AE_CTRL_TERMINATE) {
status = AE_OK;
} else if ((status != AE_OK) && (walk_state->method_desc)) {
- ACPI_REPORT_METHOD_ERROR("Method execution failed",
- walk_state->method_node, NULL,
- status);
+ /* Either the method parse or actual execution failed */
- /* Ensure proper cleanup */
-
- walk_state->parse_flags |= ACPI_PARSE_EXECUTE;
+ ACPI_REPORT_METHOD_ERROR
+ ("Method parse/execution failed",
+ walk_state->method_node, NULL, status);
/* Check for possible multi-thread reentrancy problem */
if ((status == AE_ALREADY_EXISTS) &&
(!walk_state->method_desc->method.semaphore)) {
/*
- * This method is marked not_serialized, but it tried to create
+ * Method tried to create an object twice. The probable cause is
+ * that the method cannot handle reentrancy.
+ *
+ * The method is marked not_serialized, but it tried to create
* a named object, causing the second thread entrance to fail.
- * We will workaround this by marking the method permanently
+ * Workaround this problem by marking the method permanently
* as Serialized.
*/
walk_state->method_desc->method.method_flags |=
@@ -536,15 +537,22 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
acpi_ds_scope_stack_clear(walk_state);
/*
- * If we just returned from the execution of a control method,
- * there's lots of cleanup to do
+ * If we just returned from the execution of a control method or if we
+ * encountered an error during the method parse phase, there's lots of
+ * cleanup to do
*/
- if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
- ACPI_PARSE_EXECUTE) {
+ if (((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
+ ACPI_PARSE_EXECUTE) || (ACPI_FAILURE(status))) {
if (walk_state->method_desc) {
/* Decrement the thread count on the method parse tree */
- walk_state->method_desc->method.thread_count--;
+ if (walk_state->method_desc->method.
+ thread_count) {
+ walk_state->method_desc->method.
+ thread_count--;
+ } else {
+ ACPI_REPORT_ERROR(("Invalid zero thread count in method\n"));
+ }
}
acpi_ds_terminate_control_method(walk_state);
@@ -553,7 +561,6 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
/* Delete this walk state and all linked control states */
acpi_ps_cleanup_scope(&walk_state->parser_state);
-
previous_walk_state = walk_state;
ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index 4c426f4c6af..14d544d6086 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -87,7 +87,7 @@ acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags)
/* TBDs: Validate name, allow full path or just nameseg */
- acpi_gbl_trace_method_name = *(u32 *) name;
+ acpi_gbl_trace_method_name = *ACPI_CAST_PTR(u32, name);
acpi_gbl_trace_flags = flags;
if (debug_level) {
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index eca7439ee9d..c2c4d9079c6 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -300,7 +300,7 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
/* Point to the next object */
resource =
- ACPI_PTR_ADD(struct acpi_resource, resource,
+ ACPI_ADD_PTR(struct acpi_resource, resource,
resource->length);
}
@@ -374,8 +374,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
* Get the number of bits set in the 16-bit IRQ mask
*/
ACPI_MOVE_16_TO_16(&temp16, buffer);
- extra_struct_bytes =
- acpi_rs_count_set_bits(temp16) * sizeof(u32);
+ extra_struct_bytes = acpi_rs_count_set_bits(temp16);
break;
case ACPI_RESOURCE_NAME_DMA:
@@ -383,8 +382,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
* DMA Resource:
* Get the number of bits set in the 8-bit DMA mask
*/
- extra_struct_bytes =
- acpi_rs_count_set_bits(*buffer) * sizeof(u32);
+ extra_struct_bytes = acpi_rs_count_set_bits(*buffer);
break;
case ACPI_RESOURCE_NAME_VENDOR_SMALL:
@@ -399,9 +397,9 @@ acpi_rs_get_list_length(u8 * aml_buffer,
case ACPI_RESOURCE_NAME_END_TAG:
/*
- * End Tag: This is the normal exit
+ * End Tag: This is the normal exit, add size of end_tag
*/
- *size_needed = buffer_size;
+ *size_needed = buffer_size + ACPI_RS_SIZE_MIN;
return_ACPI_STATUS(AE_OK);
case ACPI_RESOURCE_NAME_VENDOR_LARGE:
@@ -466,7 +464,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
temp16 = (u16) (acpi_gbl_resource_struct_sizes[resource_index] +
extra_struct_bytes);
- buffer_size += (u32) ACPI_ALIGN_RESOURCE_SIZE(temp16);
+ buffer_size += (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(temp16);
/*
* Point to the next resource within the stream
diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/resources/rsdump.c
index f617ca80c5a..cebd890d3db 100644
--- a/drivers/acpi/resources/rsdump.c
+++ b/drivers/acpi/resources/rsdump.c
@@ -383,7 +383,7 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
while (count) {
previous_target = target;
- target = ((u8 *) resource) + table->offset;
+ target = ACPI_ADD_PTR(u8, resource, table->offset);
name = table->name;
switch (table->opcode) {
@@ -410,22 +410,19 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
/* Data items, 8/16/32/64 bit */
case ACPI_RSD_UINT8:
- acpi_rs_out_integer8(name, *ACPI_CAST_PTR(u8, target));
+ acpi_rs_out_integer8(name, ACPI_GET8(target));
break;
case ACPI_RSD_UINT16:
- acpi_rs_out_integer16(name,
- *ACPI_CAST_PTR(u16, target));
+ acpi_rs_out_integer16(name, ACPI_GET16(target));
break;
case ACPI_RSD_UINT32:
- acpi_rs_out_integer32(name,
- *ACPI_CAST_PTR(u32, target));
+ acpi_rs_out_integer32(name, ACPI_GET32(target));
break;
case ACPI_RSD_UINT64:
- acpi_rs_out_integer64(name,
- *ACPI_CAST_PTR(u64, target));
+ acpi_rs_out_integer64(name, ACPI_GET64(target));
break;
/* Flags: 1-bit and 2-bit flags supported */
@@ -462,8 +459,8 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
* Note: The list length is obtained from the previous table entry
*/
if (previous_target) {
- acpi_rs_dump_byte_list(*ACPI_CAST_PTR
- (u16, previous_target),
+ acpi_rs_dump_byte_list(ACPI_GET16
+ (previous_target),
target);
}
break;
@@ -634,7 +631,7 @@ void acpi_rs_dump_resource_list(struct acpi_resource *resource_list)
/* Point to the next resource structure */
resource_list =
- ACPI_PTR_ADD(struct acpi_resource, resource_list,
+ ACPI_ADD_PTR(struct acpi_resource, resource_list,
resource_list->length);
/* Exit when END_TAG descriptor is reached */
@@ -675,9 +672,8 @@ void acpi_rs_dump_irq_list(u8 * route_table)
count);
acpi_rs_dump_descriptor(prt_element, acpi_rs_dump_prt);
- prt_element = ACPI_CAST_PTR(struct acpi_pci_routing_table,
- ((u8 *) prt_element) +
- prt_element->length);
+ prt_element = ACPI_ADD_PTR(struct acpi_pci_routing_table,
+ prt_element, prt_element->length);
}
}
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c
index b83996233c1..573c0670564 100644
--- a/drivers/acpi/resources/rslist.c
+++ b/drivers/acpi/resources/rslist.c
@@ -112,7 +112,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml, u32 aml_length, u8 * output_buffer)
/* Point to the next structure in the output buffer */
resource =
- ACPI_PTR_ADD(struct acpi_resource, resource,
+ ACPI_ADD_PTR(struct acpi_resource, resource,
resource->length);
}
@@ -201,7 +201,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
/* Point to the next input resource descriptor */
resource =
- ACPI_PTR_ADD(struct acpi_resource, resource,
+ ACPI_ADD_PTR(struct acpi_resource, resource,
resource->length);
}
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c
index 16ad3bfbee2..e1b5aa2af9a 100644
--- a/drivers/acpi/resources/rsmisc.c
+++ b/drivers/acpi/resources/rsmisc.c
@@ -104,8 +104,9 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
* Source is the external AML byte stream buffer,
* destination is the internal resource descriptor
*/
- source = ((u8 *) aml) + info->aml_offset;
- destination = ((u8 *) resource) + info->resource_offset;
+ source = ACPI_ADD_PTR(void, aml, info->aml_offset);
+ destination =
+ ACPI_ADD_PTR(void, resource, info->resource_offset);
switch (info->opcode) {
case ACPI_RSC_INITGET:
@@ -129,22 +130,22 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
/*
* Mask and shift the flag bit
*/
- *((u8 *) destination) = (u8)
- ((*((u8 *) source) >> info->value) & 0x01);
+ ACPI_SET8(destination) = (u8)
+ ((ACPI_GET8(source) >> info->value) & 0x01);
break;
case ACPI_RSC_2BITFLAG:
/*
* Mask and shift the flag bits
*/
- *((u8 *) destination) = (u8)
- ((*((u8 *) source) >> info->value) & 0x03);
+ ACPI_SET8(destination) = (u8)
+ ((ACPI_GET8(source) >> info->value) & 0x03);
break;
case ACPI_RSC_COUNT:
- item_count = *((u8 *) source);
- *((u8 *) destination) = (u8) item_count;
+ item_count = ACPI_GET8(source);
+ ACPI_SET8(destination) = (u8) item_count;
resource->length = resource->length +
(info->value * (item_count - 1));
@@ -153,7 +154,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
case ACPI_RSC_COUNT16:
item_count = aml_resource_length;
- *((u16 *) destination) = item_count;
+ ACPI_SET16(destination) = item_count;
resource->length = resource->length +
(info->value * (item_count - 1));
@@ -186,9 +187,8 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
case ACPI_RSC_DATA8:
- target = ((char *)resource) + info->value;
- ACPI_MEMCPY(destination, source,
- *(ACPI_CAST_PTR(u16, target)));
+ target = ACPI_ADD_PTR(char, resource, info->value);
+ ACPI_MEMCPY(destination, source, ACPI_GET16(target));
break;
case ACPI_RSC_ADDRESS:
@@ -217,8 +217,8 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
* complicated case used by the Interrupt() macro
*/
target =
- ((char *)resource) + info->aml_offset +
- (item_count * 4);
+ ACPI_ADD_PTR(char, resource,
+ info->aml_offset + (item_count * 4));
resource->length +=
acpi_rs_get_resource_source(aml_resource_length,
@@ -230,15 +230,14 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
* 8-bit encoded bitmask (DMA macro)
*/
item_count =
- acpi_rs_decode_bitmask(*((u8 *) source),
+ acpi_rs_decode_bitmask(ACPI_GET8(source),
destination);
if (item_count) {
- resource->length +=
- resource->length + (item_count - 1);
+ resource->length += (item_count - 1);
}
- target = ((char *)resource) + info->value;
- *((u8 *) target) = (u8) item_count;
+ target = ACPI_ADD_PTR(char, resource, info->value);
+ ACPI_SET8(target) = (u8) item_count;
break;
case ACPI_RSC_BITMASK16:
@@ -250,12 +249,11 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
item_count =
acpi_rs_decode_bitmask(temp16, destination);
if (item_count) {
- resource->length =
- resource->length + (item_count - 1);
+ resource->length += (item_count - 1);
}
- target = ((char *)resource) + info->value;
- *((u8 *) target) = (u8) item_count;
+ target = ACPI_ADD_PTR(char, resource, info->value);
+ ACPI_SET8(target) = (u8) item_count;
break;
case ACPI_RSC_EXIT_NE:
@@ -270,7 +268,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
break;
case ACPI_RSC_COMPARE_VALUE:
- if (*((u8 *) source) != info->value) {
+ if (ACPI_GET8(source) != info->value) {
goto exit;
}
break;
@@ -349,8 +347,8 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
* Source is the internal resource descriptor,
* destination is the external AML byte stream buffer
*/
- source = ((u8 *) resource) + info->resource_offset;
- destination = ((u8 *) aml) + info->aml_offset;
+ source = ACPI_ADD_PTR(void, resource, info->resource_offset);
+ destination = ACPI_ADD_PTR(void, aml, info->aml_offset);
switch (info->opcode) {
case ACPI_RSC_INITSET:
@@ -368,37 +366,38 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
/*
* Clear the flag byte
*/
- *((u8 *) destination) = 0;
+ ACPI_SET8(destination) = 0;
break;
case ACPI_RSC_1BITFLAG:
/*
* Mask and shift the flag bit
*/
- *((u8 *) destination) |= (u8)
- ((*((u8 *) source) & 0x01) << info->value);
+ ACPI_SET8(destination) |= (u8)
+ ((ACPI_GET8(source) & 0x01) << info->value);
break;
case ACPI_RSC_2BITFLAG:
/*
* Mask and shift the flag bits
*/
- *((u8 *) destination) |= (u8)
- ((*((u8 *) source) & 0x03) << info->value);
+ ACPI_SET8(destination) |= (u8)
+ ((ACPI_GET8(source) & 0x03) << info->value);
break;
case ACPI_RSC_COUNT:
- item_count = *((u8 *) source);
- *((u8 *) destination) = (u8) item_count;
+ item_count = ACPI_GET8(source);
+ ACPI_SET8(destination) = (u8) item_count;
- aml_length = (u16) (aml_length +
- (info->value * (item_count - 1)));
+ aml_length =
+ (u16) (aml_length +
+ (info->value * (item_count - 1)));
break;
case ACPI_RSC_COUNT16:
- item_count = *((u16 *) source);
+ item_count = ACPI_GET16(source);
aml_length = (u16) (aml_length + item_count);
acpi_rs_set_resource_length(aml_length, aml);
break;
@@ -453,20 +452,21 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
/*
* 8-bit encoded bitmask (DMA macro)
*/
- *((u8 *) destination) = (u8)
+ ACPI_SET8(destination) = (u8)
acpi_rs_encode_bitmask(source,
- *(((u8 *) resource) +
- info->value));
+ *ACPI_ADD_PTR(u8, resource,
+ info->value));
break;
case ACPI_RSC_BITMASK16:
/*
* 16-bit encoded bitmask (IRQ macro)
*/
- temp16 =
- acpi_rs_encode_bitmask(source,
- *(((u8 *) resource) +
- info->value));
+ temp16 = acpi_rs_encode_bitmask(source,
+ *ACPI_ADD_PTR(u8,
+ resource,
+ info->
+ value));
ACPI_MOVE_16_TO_16(destination, &temp16);
break;
@@ -485,9 +485,9 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
*/
switch (COMPARE_OPCODE(info)) {
case ACPI_RSC_COMPARE_VALUE:
- if (*
- ((u8 *) (((u8 *) resource) +
- COMPARE_TARGET(info))) !=
+
+ if (*ACPI_ADD_PTR(u8, resource,
+ COMPARE_TARGET(info)) !=
COMPARE_VALUE(info)) {
goto exit;
}
diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/resources/rsutils.c
index a1eac0f1df5..2236a0c90da 100644
--- a/drivers/acpi/resources/rsutils.c
+++ b/drivers/acpi/resources/rsutils.c
@@ -152,18 +152,18 @@ acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type)
* misaligned memory transfers
*/
case ACPI_RSC_MOVE16:
- ACPI_MOVE_16_TO_16(&((u16 *) destination)[i],
- &((u16 *) source)[i]);
+ ACPI_MOVE_16_TO_16(&ACPI_CAST_PTR(u16, destination)[i],
+ &ACPI_CAST_PTR(u16, source)[i]);
break;
case ACPI_RSC_MOVE32:
- ACPI_MOVE_32_TO_32(&((u32 *) destination)[i],
- &((u32 *) source)[i]);
+ ACPI_MOVE_32_TO_32(&ACPI_CAST_PTR(u32, destination)[i],
+ &ACPI_CAST_PTR(u32, source)[i]);
break;
case ACPI_RSC_MOVE64:
- ACPI_MOVE_64_TO_64(&((u64 *) destination)[i],
- &((u64 *) source)[i]);
+ ACPI_MOVE_64_TO_64(&ACPI_CAST_PTR(u64, destination)[i],
+ &ACPI_CAST_PTR(u64, source)[i]);
break;
default:
@@ -318,7 +318,7 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
total_length =
resource_length + sizeof(struct aml_resource_large_header);
- aml_resource_source = ((u8 *) aml) + minimum_length;
+ aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length);
/*
* resource_source is present if the length of the descriptor is longer than
@@ -338,9 +338,9 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
* String destination pointer is not specified; Set the String
* pointer to the end of the current resource_source structure.
*/
- resource_source->string_ptr = (char *)
- ((u8 *) resource_source) +
- sizeof(struct acpi_resource_source);
+ resource_source->string_ptr =
+ ACPI_ADD_PTR(char, resource_source,
+ sizeof(struct acpi_resource_source));
}
/*
@@ -407,7 +407,7 @@ acpi_rs_set_resource_source(union aml_resource * aml,
if (resource_source->string_length) {
/* Point to the end of the AML descriptor */
- aml_resource_source = ((u8 *) aml) + minimum_length;
+ aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length);
/* Copy the resource_source_index */
diff --git a/drivers/acpi/resources/rsxface.c b/drivers/acpi/resources/rsxface.c
index 09d250ab987..50a956b705b 100644
--- a/drivers/acpi/resources/rsxface.c
+++ b/drivers/acpi/resources/rsxface.c
@@ -64,6 +64,10 @@ ACPI_MODULE_NAME("rsxface")
ACPI_COPY_FIELD(out, in, translation_offset); \
ACPI_COPY_FIELD(out, in, address_length); \
ACPI_COPY_FIELD(out, in, resource_source);
+/* Local prototypes */
+static acpi_status
+acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context);
+
/*******************************************************************************
*
* FUNCTION: acpi_get_irq_routing_table
@@ -86,6 +90,7 @@ ACPI_MODULE_NAME("rsxface")
* the object indicated by the passed device_handle.
*
******************************************************************************/
+
acpi_status
acpi_get_irq_routing_table(acpi_handle device_handle,
struct acpi_buffer *ret_buffer)
@@ -222,12 +227,12 @@ EXPORT_SYMBOL(acpi_get_possible_resources);
*
* FUNCTION: acpi_walk_resources
*
- * PARAMETERS: device_handle - a handle to the device object for the
+ * PARAMETERS: device_handle - Handle to the device object for the
* device we are querying
- * Path - method name of the resources we want
+ * Name - Method name of the resources we want
* (METHOD_NAME__CRS or METHOD_NAME__PRS)
- * user_function - called for each resource
- * Context - passed to user_function
+ * user_function - Called for each resource
+ * Context - Passed to user_function
*
* RETURN: Status
*
@@ -239,79 +244,74 @@ EXPORT_SYMBOL(acpi_get_possible_resources);
acpi_status
acpi_walk_resources(acpi_handle device_handle,
- char *path,
+ char *name,
ACPI_WALK_RESOURCE_CALLBACK user_function, void *context)
{
acpi_status status;
- struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_buffer buffer;
struct acpi_resource *resource;
- struct acpi_resource *buffer_end;
+ struct acpi_resource *resource_end;
ACPI_FUNCTION_TRACE("acpi_walk_resources");
- if (!device_handle ||
- (ACPI_STRNCMP(path, METHOD_NAME__CRS, sizeof(METHOD_NAME__CRS)) &&
- ACPI_STRNCMP(path, METHOD_NAME__PRS, sizeof(METHOD_NAME__PRS)))) {
+ /* Parameter validation */
+
+ if (!device_handle || !user_function || !name ||
+ (ACPI_STRNCMP(name, METHOD_NAME__CRS, sizeof(METHOD_NAME__CRS)) &&
+ ACPI_STRNCMP(name, METHOD_NAME__PRS, sizeof(METHOD_NAME__PRS)))) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- status = acpi_rs_get_method_data(device_handle, path, &buffer);
+ /* Get the _CRS or _PRS resource list */
+
+ buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+ status = acpi_rs_get_method_data(device_handle, name, &buffer);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
- /* Setup pointers */
+ /* Buffer now contains the resource list */
- resource = (struct acpi_resource *)buffer.pointer;
- buffer_end = ACPI_CAST_PTR(struct acpi_resource,
- ((u8 *) buffer.pointer + buffer.length));
+ resource = ACPI_CAST_PTR(struct acpi_resource, buffer.pointer);
+ resource_end =
+ ACPI_ADD_PTR(struct acpi_resource, buffer.pointer, buffer.length);
- /* Walk the resource list */
+ /* Walk the resource list until the end_tag is found (or buffer end) */
- for (;;) {
- if (!resource || resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
+ while (resource < resource_end) {
+ /* Sanity check the resource */
+
+ if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
+ status = AE_AML_INVALID_RESOURCE_TYPE;
break;
}
- status = user_function(resource, context);
-
- switch (status) {
- case AE_OK:
- case AE_CTRL_DEPTH:
+ /* Invoke the user function, abort on any error returned */
- /* Just keep going */
+ status = user_function(resource, context);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_CTRL_TERMINATE) {
+ /* This is an OK termination by the user function */
- status = AE_OK;
+ status = AE_OK;
+ }
break;
+ }
- case AE_CTRL_TERMINATE:
-
- /* Exit now, with OK stats */
-
- status = AE_OK;
- goto cleanup;
-
- default:
-
- /* All others are valid exceptions */
+ /* end_tag indicates end-of-list */
- goto cleanup;
+ if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
+ break;
}
/* Get the next resource descriptor */
- resource = ACPI_NEXT_RESOURCE(resource);
-
- /* Check for end-of-buffer */
-
- if (resource >= buffer_end) {
- goto cleanup;
- }
+ resource =
+ ACPI_ADD_PTR(struct acpi_resource, resource,
+ resource->length);
}
- cleanup:
-
- acpi_os_free(buffer.pointer);
+ ACPI_MEM_FREE(buffer.pointer);
return_ACPI_STATUS(status);
}
@@ -381,6 +381,12 @@ acpi_resource_to_address64(struct acpi_resource *resource,
struct acpi_resource_address16 *address16;
struct acpi_resource_address32 *address32;
+ if (!resource || !out) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Convert 16 or 32 address descriptor to 64 */
+
switch (resource->type) {
case ACPI_RESOURCE_TYPE_ADDRESS16:
@@ -410,3 +416,113 @@ acpi_resource_to_address64(struct acpi_resource *resource,
}
EXPORT_SYMBOL(acpi_resource_to_address64);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_get_vendor_resource
+ *
+ * PARAMETERS: device_handle - Handle for the parent device object
+ * Name - Method name for the parent resource
+ * (METHOD_NAME__CRS or METHOD_NAME__PRS)
+ * Uuid - Pointer to the UUID to be matched.
+ * includes both subtype and 16-byte UUID
+ * ret_buffer - Where the vendor resource is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Walk a resource template for the specified evice to find a
+ * vendor-defined resource that matches the supplied UUID and
+ * UUID subtype. Returns a struct acpi_resource of type Vendor.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_get_vendor_resource(acpi_handle device_handle,
+ char *name,
+ struct acpi_vendor_uuid * uuid,
+ struct acpi_buffer * ret_buffer)
+{
+ struct acpi_vendor_walk_info info;
+ acpi_status status;
+
+ /* Other parameters are validated by acpi_walk_resources */
+
+ if (!uuid || !ret_buffer) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ info.uuid = uuid;
+ info.buffer = ret_buffer;
+ info.status = AE_NOT_EXIST;
+
+ /* Walk the _CRS or _PRS resource list for this device */
+
+ status =
+ acpi_walk_resources(device_handle, name,
+ acpi_rs_match_vendor_resource, &info);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ return (info.status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_rs_match_vendor_resource
+ *
+ * PARAMETERS: ACPI_WALK_RESOURCE_CALLBACK
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Match a vendor resource via the ACPI 3.0 UUID
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context)
+{
+ struct acpi_vendor_walk_info *info = context;
+ struct acpi_resource_vendor_typed *vendor;
+ struct acpi_buffer *buffer;
+ acpi_status status;
+
+ /* Ignore all descriptors except Vendor */
+
+ if (resource->type != ACPI_RESOURCE_TYPE_VENDOR) {
+ return (AE_OK);
+ }
+
+ vendor = &resource->data.vendor_typed;
+
+ /*
+ * For a valid match, these conditions must hold:
+ *
+ * 1) Length of descriptor data must be at least as long as a UUID struct
+ * 2) The UUID subtypes must match
+ * 3) The UUID data must match
+ */
+ if ((vendor->byte_length < (ACPI_UUID_LENGTH + 1)) ||
+ (vendor->uuid_subtype != info->uuid->subtype) ||
+ (ACPI_MEMCMP(vendor->uuid, info->uuid->data, ACPI_UUID_LENGTH))) {
+ return (AE_OK);
+ }
+
+ /* Validate/Allocate/Clear caller buffer */
+
+ buffer = info->buffer;
+ status = acpi_ut_initialize_buffer(buffer, resource->length);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Found the correct resource, copy and return it */
+
+ ACPI_MEMCPY(buffer->pointer, resource, resource->length);
+ buffer->length = resource->length;
+
+ /* Found the desired descriptor, terminate resource walk */
+
+ info->status = AE_OK;
+ return (AE_CTRL_TERMINATE);
+}
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 31218e1d2a1..e332306ae2b 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -844,7 +844,7 @@ static void acpi_device_set_id(struct acpi_device *device,
* ----
* Fix for the system root bus device -- the only root-level device.
*/
- if ((parent == ACPI_ROOT_OBJECT) && (type == ACPI_BUS_TYPE_DEVICE)) {
+ if (((acpi_handle)parent == ACPI_ROOT_OBJECT) && (type == ACPI_BUS_TYPE_DEVICE)) {
hid = ACPI_BUS_HID;
strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME);
strcpy(device->pnp.device_class, ACPI_BUS_CLASS);
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c
index a03939399fa..cd33397d923 100644
--- a/drivers/acpi/tables/tbconvrt.c
+++ b/drivers/acpi/tables/tbconvrt.c
@@ -554,7 +554,9 @@ acpi_status acpi_tb_convert_table_fadt(void)
ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
"Hex dump of common internal FADT, size %d (%X)\n",
acpi_gbl_FADT->length, acpi_gbl_FADT->length));
- ACPI_DUMP_BUFFER((u8 *) (acpi_gbl_FADT), acpi_gbl_FADT->length);
+
+ ACPI_DUMP_BUFFER(ACPI_CAST_PTR(u8, acpi_gbl_FADT),
+ acpi_gbl_FADT->length);
return_ACPI_STATUS(AE_OK);
}
diff --git a/drivers/acpi/tables/tbgetall.c b/drivers/acpi/tables/tbgetall.c
index 8d72343537e..33c9ed8a6f9 100644
--- a/drivers/acpi/tables/tbgetall.c
+++ b/drivers/acpi/tables/tbgetall.c
@@ -292,7 +292,9 @@ acpi_status acpi_tb_get_required_tables(void)
"Hex dump of entire DSDT, size %d (0x%X), Integer width = %d\n",
acpi_gbl_DSDT->length, acpi_gbl_DSDT->length,
acpi_gbl_integer_bit_width));
- ACPI_DUMP_BUFFER((u8 *) acpi_gbl_DSDT, acpi_gbl_DSDT->length);
+
+ ACPI_DUMP_BUFFER(ACPI_CAST_PTR(u8, acpi_gbl_DSDT),
+ acpi_gbl_DSDT->length);
/* Always delete the RSDP mapping, we are done with it */
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index e6dfe688b76..9d0bf536d67 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -240,16 +240,16 @@ acpi_tb_verify_table_checksum(struct acpi_table_header * table_header)
u8 acpi_tb_generate_checksum(void *buffer, u32 length)
{
- const u8 *limit;
- const u8 *rover;
+ u8 *end_buffer;
+ u8 *rover;
u8 sum = 0;
if (buffer && length) {
/* Buffer and Length are valid */
- limit = (u8 *) buffer + length;
+ end_buffer = ACPI_ADD_PTR(u8, buffer, length);
- for (rover = buffer; rover < limit; rover++) {
+ for (rover = buffer; rover < end_buffer; rover++) {
sum = (u8) (sum + *rover);
}
}
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 5442b32de61..568df9e42f8 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -398,14 +398,17 @@ acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *internal_object,
* Build a simple object (no nested objects)
*/
status = acpi_ut_copy_isimple_to_esimple(internal_object,
- (union acpi_object *)
- ret_buffer->pointer,
- ((u8 *) ret_buffer->
- pointer +
- ACPI_ROUND_UP_TO_NATIVE_WORD
- (sizeof
- (union
- acpi_object))),
+ ACPI_CAST_PTR(union
+ acpi_object,
+ ret_buffer->
+ pointer),
+ ACPI_ADD_PTR(u8,
+ ret_buffer->
+ pointer,
+ ACPI_ROUND_UP_TO_NATIVE_WORD
+ (sizeof
+ (union
+ acpi_object))),
&ret_buffer->length);
/*
* build simple does not include the object size in the length
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 413e1dd8ae3..d6813d88a10 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -638,7 +638,7 @@ char *acpi_ut_get_node_name(void *object)
/* Name must be a valid ACPI name */
- if (!acpi_ut_valid_acpi_name(*(u32 *) node->name.ascii)) {
+ if (!acpi_ut_valid_acpi_name(node->name.integer)) {
return ("????");
}
@@ -831,6 +831,7 @@ void acpi_ut_init_globals(void)
acpi_gbl_ps_find_count = 0;
acpi_gbl_acpi_hardware_present = TRUE;
acpi_gbl_owner_id_mask = 0;
+ acpi_gbl_last_owner_id = 0;
acpi_gbl_trace_method_name = 0;
acpi_gbl_trace_dbg_level = 0;
acpi_gbl_trace_dbg_layer = 0;
@@ -845,7 +846,6 @@ void acpi_ut_init_globals(void)
/* Namespace */
acpi_gbl_root_node = NULL;
-
acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
acpi_gbl_root_node_struct.descriptor = ACPI_DESC_TYPE_NAMED;
acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 2a9110c0639..89efba7bf44 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -63,6 +63,7 @@ ACPI_MODULE_NAME("utmisc")
acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
{
acpi_native_uint i;
+ acpi_native_uint j;
acpi_status status;
ACPI_FUNCTION_TRACE("ut_allocate_owner_id");
@@ -82,29 +83,46 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
return_ACPI_STATUS(status);
}
- /* Find a free owner ID */
+ /*
+ * Find a free owner ID, cycle through all possible IDs on repeated
+ * allocations. Note: Index for next possible ID is equal to the value
+ * of the last allocated ID.
+ */
+ for (i = 0, j = acpi_gbl_last_owner_id; i < 32; i++, j++) {
+ if (j >= 32) {
+ j = 0; /* Wraparound to ID start */
+ }
+
+ if (!(acpi_gbl_owner_id_mask & (1 << j))) {
+ /*
+ * 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_last_owner_id = (acpi_owner_id) (j + 1);
+ *owner_id = acpi_gbl_last_owner_id;
- for (i = 0; i < 32; i++) {
- if (!(acpi_gbl_owner_id_mask & (1 << i))) {
ACPI_DEBUG_PRINT((ACPI_DB_VALUES,
"Current owner_id mask: %8.8X New ID: %2.2X\n",
acpi_gbl_owner_id_mask,
- (unsigned int)(i + 1)));
+ (unsigned int)
+ acpi_gbl_last_owner_id));
- acpi_gbl_owner_id_mask |= (1 << i);
- *owner_id = (acpi_owner_id) (i + 1);
+ acpi_gbl_owner_id_mask |= (1 << j);
goto exit;
}
}
/*
- * If we are here, all owner_ids have been allocated. This probably should
+ * 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.
*/
- *owner_id = 0;
status = AE_OWNER_ID_LIMIT;
ACPI_REPORT_ERROR(("Could not allocate new owner_id (32 max), AE_OWNER_ID_LIMIT\n"));
diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c
index 07a314c710d..6c0ce7b1219 100644
--- a/drivers/acpi/utilities/utresrc.c
+++ b/drivers/acpi/utilities/utresrc.c
@@ -157,7 +157,7 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index)
/*
* 1) Validate the resource_type field (Byte 0)
*/
- resource_type = *((u8 *) aml);
+ resource_type = ACPI_GET8(aml);
/*
* Byte 0 contains the descriptor name (Resource Type)
@@ -266,14 +266,14 @@ u8 acpi_ut_get_resource_type(void *aml)
* Byte 0 contains the descriptor name (Resource Type)
* Examine the large/small bit in the resource header
*/
- if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
+ if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
/* Large Resource Type -- bits 6:0 contain the name */
- return (*((u8 *) aml));
+ return (ACPI_GET8(aml));
} else {
/* Small Resource Type -- bits 6:3 contain the name */
- return ((u8) (*((u8 *) aml) & ACPI_RESOURCE_NAME_SMALL_MASK));
+ return ((u8) (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_SMALL_MASK));
}
}
@@ -301,15 +301,15 @@ u16 acpi_ut_get_resource_length(void *aml)
* Byte 0 contains the descriptor name (Resource Type)
* Examine the large/small bit in the resource header
*/
- if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
+ if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
/* Large Resource type -- bytes 1-2 contain the 16-bit length */
- ACPI_MOVE_16_TO_16(&resource_length, &((u8 *) aml)[1]);
+ ACPI_MOVE_16_TO_16(&resource_length, ACPI_ADD_PTR(u8, aml, 1));
} else {
/* Small Resource type -- bits 2:0 of byte 0 contain the length */
- resource_length = (u16) (*((u8 *) aml) &
+ resource_length = (u16) (ACPI_GET8(aml) &
ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK);
}
@@ -334,7 +334,7 @@ u8 acpi_ut_get_resource_header_length(void *aml)
/* Examine the large/small bit in the resource header */
- if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
+ if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
return (sizeof(struct aml_resource_large_header));
} else {
return (sizeof(struct aml_resource_small_header));
@@ -372,8 +372,9 @@ u32 acpi_ut_get_descriptor_length(void *aml)
* FUNCTION: acpi_ut_get_resource_end_tag
*
* PARAMETERS: obj_desc - The resource template buffer object
+ * end_tag - Where the pointer to the end_tag is returned
*
- * RETURN: Pointer to the end tag
+ * RETURN: Status, pointer to the end tag
*
* DESCRIPTION: Find the end_tag resource descriptor in an AML resource template
*