aboutsummaryrefslogtreecommitdiff
path: root/drivers/acpi/executer/exoparg1.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/executer/exoparg1.c')
-rw-r--r--drivers/acpi/executer/exoparg1.c574
1 files changed, 273 insertions, 301 deletions
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c
index dbdf8262ba0..97e34542f5e 100644
--- a/drivers/acpi/executer/exoparg1.c
+++ b/drivers/acpi/executer/exoparg1.c
@@ -42,7 +42,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acparser.h>
#include <acpi/acdispat.h>
@@ -50,10 +49,8 @@
#include <acpi/amlcode.h>
#include <acpi/acnamesp.h>
-
#define _COMPONENT ACPI_EXECUTER
- ACPI_MODULE_NAME ("exoparg1")
-
+ACPI_MODULE_NAME("exoparg1")
/*!
* Naming convention for AML interpreter execution routines.
@@ -76,7 +73,6 @@
* The AcpiExOpcode* functions are called via the Dispatcher component with
* fully resolved operands.
!*/
-
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_0A_0T_1R
@@ -88,59 +84,53 @@
* DESCRIPTION: Execute operator with no operands, one return value
*
******************************************************************************/
-
-acpi_status
-acpi_ex_opcode_0A_0T_1R (
- struct acpi_walk_state *walk_state)
+acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state)
{
- acpi_status status = AE_OK;
- union acpi_operand_object *return_desc = NULL;
-
-
- ACPI_FUNCTION_TRACE_STR ("ex_opcode_0A_0T_1R",
- acpi_ps_get_opcode_name (walk_state->opcode));
+ acpi_status status = AE_OK;
+ union acpi_operand_object *return_desc = NULL;
+ ACPI_FUNCTION_TRACE_STR("ex_opcode_0A_0T_1R",
+ acpi_ps_get_opcode_name(walk_state->opcode));
/* Examine the AML opcode */
switch (walk_state->opcode) {
- case AML_TIMER_OP: /* Timer () */
+ case AML_TIMER_OP: /* Timer () */
/* Create a return object of type Integer */
- return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
}
-
- return_desc->integer.value = acpi_os_get_timer ();
+#if ACPI_MACHINE_WIDTH != 16
+ return_desc->integer.value = acpi_os_get_timer();
+#endif
break;
- default: /* Unknown opcode */
+ default: /* Unknown opcode */
- ACPI_REPORT_ERROR (("acpi_ex_opcode_0A_0T_1R: Unknown opcode %X\n",
- walk_state->opcode));
+ ACPI_REPORT_ERROR(("acpi_ex_opcode_0A_0T_1R: Unknown opcode %X\n", walk_state->opcode));
status = AE_AML_BAD_OPCODE;
break;
}
-cleanup:
-
- if (!walk_state->result_obj) {
- walk_state->result_obj = return_desc;
- }
+ cleanup:
/* Delete return object on error */
- if (ACPI_FAILURE (status)) {
- acpi_ut_remove_reference (return_desc);
+ if ((ACPI_FAILURE(status)) || walk_state->result_obj) {
+ acpi_ut_remove_reference(return_desc);
+ } else {
+ /* Save the return value */
+
+ walk_state->result_obj = return_desc;
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_1A_0T_0R
@@ -154,69 +144,58 @@ cleanup:
*
******************************************************************************/
-acpi_status
-acpi_ex_opcode_1A_0T_0R (
- struct acpi_walk_state *walk_state)
+acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state)
{
- union acpi_operand_object **operand = &walk_state->operands[0];
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_0R",
- acpi_ps_get_opcode_name (walk_state->opcode));
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_TRACE_STR("ex_opcode_1A_0T_0R",
+ acpi_ps_get_opcode_name(walk_state->opcode));
/* Examine the AML opcode */
switch (walk_state->opcode) {
- case AML_RELEASE_OP: /* Release (mutex_object) */
+ case AML_RELEASE_OP: /* Release (mutex_object) */
- status = acpi_ex_release_mutex (operand[0], walk_state);
+ status = acpi_ex_release_mutex(operand[0], walk_state);
break;
+ case AML_RESET_OP: /* Reset (event_object) */
- case AML_RESET_OP: /* Reset (event_object) */
-
- status = acpi_ex_system_reset_event (operand[0]);
+ status = acpi_ex_system_reset_event(operand[0]);
break;
+ case AML_SIGNAL_OP: /* Signal (event_object) */
- case AML_SIGNAL_OP: /* Signal (event_object) */
-
- status = acpi_ex_system_signal_event (operand[0]);
+ status = acpi_ex_system_signal_event(operand[0]);
break;
+ case AML_SLEEP_OP: /* Sleep (msec_time) */
- case AML_SLEEP_OP: /* Sleep (msec_time) */
-
- status = acpi_ex_system_do_suspend (operand[0]->integer.value);
+ status = acpi_ex_system_do_suspend(operand[0]->integer.value);
break;
+ case AML_STALL_OP: /* Stall (usec_time) */
- case AML_STALL_OP: /* Stall (usec_time) */
-
- status = acpi_ex_system_do_stall ((u32) operand[0]->integer.value);
+ status =
+ acpi_ex_system_do_stall((u32) operand[0]->integer.value);
break;
+ case AML_UNLOAD_OP: /* Unload (Handle) */
- case AML_UNLOAD_OP: /* Unload (Handle) */
-
- status = acpi_ex_unload_table (operand[0]);
+ status = acpi_ex_unload_table(operand[0]);
break;
+ default: /* Unknown opcode */
- default: /* Unknown opcode */
-
- ACPI_REPORT_ERROR (("acpi_ex_opcode_1A_0T_0R: Unknown opcode %X\n",
- walk_state->opcode));
+ ACPI_REPORT_ERROR(("acpi_ex_opcode_1A_0T_0R: Unknown opcode %X\n", walk_state->opcode));
status = AE_AML_BAD_OPCODE;
break;
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_1A_1T_0R
@@ -230,41 +209,34 @@ acpi_ex_opcode_1A_0T_0R (
*
******************************************************************************/
-acpi_status
-acpi_ex_opcode_1A_1T_0R (
- struct acpi_walk_state *walk_state)
+acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state)
{
- acpi_status status = AE_OK;
- union acpi_operand_object **operand = &walk_state->operands[0];
-
-
- ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_0R",
- acpi_ps_get_opcode_name (walk_state->opcode));
+ acpi_status status = AE_OK;
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ ACPI_FUNCTION_TRACE_STR("ex_opcode_1A_1T_0R",
+ acpi_ps_get_opcode_name(walk_state->opcode));
/* Examine the AML opcode */
switch (walk_state->opcode) {
case AML_LOAD_OP:
- status = acpi_ex_load_op (operand[0], operand[1], walk_state);
+ status = acpi_ex_load_op(operand[0], operand[1], walk_state);
break;
- default: /* Unknown opcode */
+ default: /* Unknown opcode */
- ACPI_REPORT_ERROR (("acpi_ex_opcode_1A_1T_0R: Unknown opcode %X\n",
- walk_state->opcode));
+ ACPI_REPORT_ERROR(("acpi_ex_opcode_1A_1T_0R: Unknown opcode %X\n", walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
}
+ cleanup:
-cleanup:
-
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_1A_1T_1R
@@ -278,23 +250,19 @@ cleanup:
*
******************************************************************************/
-acpi_status
-acpi_ex_opcode_1A_1T_1R (
- struct acpi_walk_state *walk_state)
+acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
{
- acpi_status status = AE_OK;
- union acpi_operand_object **operand = &walk_state->operands[0];
- union acpi_operand_object *return_desc = NULL;
- union acpi_operand_object *return_desc2 = NULL;
- u32 temp32;
- u32 i;
- acpi_integer power_of_ten;
- acpi_integer digit;
-
-
- ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_1R",
- acpi_ps_get_opcode_name (walk_state->opcode));
-
+ acpi_status status = AE_OK;
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ union acpi_operand_object *return_desc = NULL;
+ union acpi_operand_object *return_desc2 = NULL;
+ u32 temp32;
+ u32 i;
+ acpi_integer power_of_ten;
+ acpi_integer digit;
+
+ ACPI_FUNCTION_TRACE_STR("ex_opcode_1A_1T_1R",
+ acpi_ps_get_opcode_name(walk_state->opcode));
/* Examine the AML opcode */
@@ -308,20 +276,19 @@ acpi_ex_opcode_1A_1T_1R (
/* Create a return object of type Integer for these opcodes */
- return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
}
switch (walk_state->opcode) {
- case AML_BIT_NOT_OP: /* Not (Operand, Result) */
+ case AML_BIT_NOT_OP: /* Not (Operand, Result) */
return_desc->integer.value = ~operand[0]->integer.value;
break;
-
- case AML_FIND_SET_LEFT_BIT_OP: /* find_set_left_bit (Operand, Result) */
+ case AML_FIND_SET_LEFT_BIT_OP: /* find_set_left_bit (Operand, Result) */
return_desc->integer.value = operand[0]->integer.value;
@@ -330,15 +297,14 @@ acpi_ex_opcode_1A_1T_1R (
* endian unsigned value, so this boundary condition is valid.
*/
for (temp32 = 0; return_desc->integer.value &&
- temp32 < ACPI_INTEGER_BIT_SIZE; ++temp32) {
+ temp32 < ACPI_INTEGER_BIT_SIZE; ++temp32) {
return_desc->integer.value >>= 1;
}
return_desc->integer.value = temp32;
break;
-
- case AML_FIND_SET_RIGHT_BIT_OP: /* find_set_right_bit (Operand, Result) */
+ case AML_FIND_SET_RIGHT_BIT_OP: /* find_set_right_bit (Operand, Result) */
return_desc->integer.value = operand[0]->integer.value;
@@ -347,18 +313,17 @@ acpi_ex_opcode_1A_1T_1R (
* endian unsigned value, so this boundary condition is valid.
*/
for (temp32 = 0; return_desc->integer.value &&
- temp32 < ACPI_INTEGER_BIT_SIZE; ++temp32) {
+ temp32 < ACPI_INTEGER_BIT_SIZE; ++temp32) {
return_desc->integer.value <<= 1;
}
/* Since the bit position is one-based, subtract from 33 (65) */
return_desc->integer.value = temp32 == 0 ? 0 :
- (ACPI_INTEGER_BIT_SIZE + 1) - temp32;
+ (ACPI_INTEGER_BIT_SIZE + 1) - temp32;
break;
-
- case AML_FROM_BCD_OP: /* from_bcd (BCDValue, Result) */
+ case AML_FROM_BCD_OP: /* from_bcd (BCDValue, Result) */
/*
* The 64-bit ACPI integer can hold 16 4-bit BCD characters
@@ -371,7 +336,9 @@ acpi_ex_opcode_1A_1T_1R (
/* Convert each BCD digit (each is one nybble wide) */
- for (i = 0; (i < acpi_gbl_integer_nybble_width) && (digit > 0); i++) {
+ for (i = 0;
+ (i < acpi_gbl_integer_nybble_width) && (digit > 0);
+ i++) {
/* Get the least significant 4-bit BCD digit */
temp32 = ((u32) digit) & 0xF;
@@ -379,9 +346,9 @@ acpi_ex_opcode_1A_1T_1R (
/* Check the range of the digit */
if (temp32 > 9) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "BCD digit too large (not decimal): 0x%X\n",
- temp32));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "BCD digit too large (not decimal): 0x%X\n",
+ temp32));
status = AE_AML_NUMERIC_OVERFLOW;
goto cleanup;
@@ -389,8 +356,8 @@ acpi_ex_opcode_1A_1T_1R (
/* Sum the digit into the result with the current power of 10 */
- return_desc->integer.value += (((acpi_integer) temp32) *
- power_of_ten);
+ return_desc->integer.value +=
+ (((acpi_integer) temp32) * power_of_ten);
/* Shift to next BCD digit */
@@ -402,45 +369,50 @@ acpi_ex_opcode_1A_1T_1R (
}
break;
-
- case AML_TO_BCD_OP: /* to_bcd (Operand, Result) */
+ case AML_TO_BCD_OP: /* to_bcd (Operand, Result) */
return_desc->integer.value = 0;
digit = operand[0]->integer.value;
/* Each BCD digit is one nybble wide */
- for (i = 0; (i < acpi_gbl_integer_nybble_width) && (digit > 0); i++) {
- (void) acpi_ut_short_divide (digit, 10, &digit, &temp32);
+ for (i = 0;
+ (i < acpi_gbl_integer_nybble_width) && (digit > 0);
+ i++) {
+ (void)acpi_ut_short_divide(digit, 10, &digit,
+ &temp32);
/*
* Insert the BCD digit that resides in the
* remainder from above
*/
- return_desc->integer.value |= (((acpi_integer) temp32) <<
- ACPI_MUL_4 (i));
+ return_desc->integer.value |=
+ (((acpi_integer) temp32) << ACPI_MUL_4(i));
}
/* Overflow if there is any data left in Digit */
if (digit > 0) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Integer too large to convert to BCD: %8.8X%8.8X\n",
- ACPI_FORMAT_UINT64 (operand[0]->integer.value)));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Integer too large to convert to BCD: %8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64(operand
+ [0]->
+ integer.
+ value)));
status = AE_AML_NUMERIC_OVERFLOW;
goto cleanup;
}
break;
-
- case AML_COND_REF_OF_OP: /* cond_ref_of (source_object, Result) */
+ case AML_COND_REF_OF_OP: /* cond_ref_of (source_object, Result) */
/*
* This op is a little strange because the internal return value is
* different than the return value stored in the result descriptor
* (There are really two return values)
*/
- if ((struct acpi_namespace_node *) operand[0] == acpi_gbl_root_node) {
+ if ((struct acpi_namespace_node *)operand[0] ==
+ acpi_gbl_root_node) {
/*
* This means that the object does not exist in the namespace,
* return FALSE
@@ -451,38 +423,38 @@ acpi_ex_opcode_1A_1T_1R (
/* Get the object reference, store it, and remove our reference */
- status = acpi_ex_get_object_reference (operand[0],
- &return_desc2, walk_state);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ex_get_object_reference(operand[0],
+ &return_desc2,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
goto cleanup;
}
- status = acpi_ex_store (return_desc2, operand[1], walk_state);
- acpi_ut_remove_reference (return_desc2);
+ status =
+ acpi_ex_store(return_desc2, operand[1], walk_state);
+ acpi_ut_remove_reference(return_desc2);
/* The object exists in the namespace, return TRUE */
return_desc->integer.value = ACPI_INTEGER_MAX;
goto cleanup;
-
default:
/* No other opcodes get here */
break;
}
break;
-
- case AML_STORE_OP: /* Store (Source, Target) */
+ case AML_STORE_OP: /* Store (Source, Target) */
/*
* A store operand is typically a number, string, buffer or lvalue
* Be careful about deleting the source object,
* since the object itself may have been stored.
*/
- status = acpi_ex_store (operand[0], operand[1], walk_state);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ex_store(operand[0], operand[1], walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* It is possible that the Store already produced a return object */
@@ -495,92 +467,84 @@ acpi_ex_opcode_1A_1T_1R (
* cancel out, and we simply don't do anything.
*/
walk_state->result_obj = operand[0];
- walk_state->operands[0] = NULL; /* Prevent deletion */
+ walk_state->operands[0] = NULL; /* Prevent deletion */
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
+ /*
+ * ACPI 2.0 Opcodes
+ */
+ case AML_COPY_OP: /* Copy (Source, Target) */
- /*
- * ACPI 2.0 Opcodes
- */
- case AML_COPY_OP: /* Copy (Source, Target) */
-
- status = acpi_ut_copy_iobject_to_iobject (operand[0], &return_desc,
- walk_state);
+ status =
+ acpi_ut_copy_iobject_to_iobject(operand[0], &return_desc,
+ walk_state);
break;
+ case AML_TO_DECSTRING_OP: /* to_decimal_string (Data, Result) */
- case AML_TO_DECSTRING_OP: /* to_decimal_string (Data, Result) */
-
- status = acpi_ex_convert_to_string (operand[0], &return_desc,
- ACPI_EXPLICIT_CONVERT_DECIMAL);
+ status = acpi_ex_convert_to_string(operand[0], &return_desc,
+ ACPI_EXPLICIT_CONVERT_DECIMAL);
if (return_desc == operand[0]) {
/* No conversion performed, add ref to handle return value */
- acpi_ut_add_reference (return_desc);
+ acpi_ut_add_reference(return_desc);
}
break;
+ case AML_TO_HEXSTRING_OP: /* to_hex_string (Data, Result) */
- case AML_TO_HEXSTRING_OP: /* to_hex_string (Data, Result) */
-
- status = acpi_ex_convert_to_string (operand[0], &return_desc,
- ACPI_EXPLICIT_CONVERT_HEX);
+ status = acpi_ex_convert_to_string(operand[0], &return_desc,
+ ACPI_EXPLICIT_CONVERT_HEX);
if (return_desc == operand[0]) {
/* No conversion performed, add ref to handle return value */
- acpi_ut_add_reference (return_desc);
+ acpi_ut_add_reference(return_desc);
}
break;
+ case AML_TO_BUFFER_OP: /* to_buffer (Data, Result) */
- case AML_TO_BUFFER_OP: /* to_buffer (Data, Result) */
-
- status = acpi_ex_convert_to_buffer (operand[0], &return_desc);
+ status = acpi_ex_convert_to_buffer(operand[0], &return_desc);
if (return_desc == operand[0]) {
/* No conversion performed, add ref to handle return value */
- acpi_ut_add_reference (return_desc);
+ acpi_ut_add_reference(return_desc);
}
break;
+ case AML_TO_INTEGER_OP: /* to_integer (Data, Result) */
- case AML_TO_INTEGER_OP: /* to_integer (Data, Result) */
-
- status = acpi_ex_convert_to_integer (operand[0], &return_desc,
- ACPI_ANY_BASE);
+ status = acpi_ex_convert_to_integer(operand[0], &return_desc,
+ ACPI_ANY_BASE);
if (return_desc == operand[0]) {
/* No conversion performed, add ref to handle return value */
- acpi_ut_add_reference (return_desc);
+ acpi_ut_add_reference(return_desc);
}
break;
-
- case AML_SHIFT_LEFT_BIT_OP: /* shift_left_bit (Source, bit_num) */
- case AML_SHIFT_RIGHT_BIT_OP: /* shift_right_bit (Source, bit_num) */
+ case AML_SHIFT_LEFT_BIT_OP: /* shift_left_bit (Source, bit_num) */
+ case AML_SHIFT_RIGHT_BIT_OP: /* shift_right_bit (Source, bit_num) */
/* These are two obsolete opcodes */
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "%s is obsolete and not implemented\n",
- acpi_ps_get_opcode_name (walk_state->opcode)));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "%s is obsolete and not implemented\n",
+ acpi_ps_get_opcode_name(walk_state->opcode)));
status = AE_SUPPORT;
goto cleanup;
+ default: /* Unknown opcode */
- default: /* Unknown opcode */
-
- ACPI_REPORT_ERROR (("acpi_ex_opcode_1A_1T_1R: Unknown opcode %X\n",
- walk_state->opcode));
+ ACPI_REPORT_ERROR(("acpi_ex_opcode_1A_1T_1R: Unknown opcode %X\n", walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
}
- if (ACPI_SUCCESS (status)) {
+ if (ACPI_SUCCESS(status)) {
/* Store the return value computed above into the target object */
- status = acpi_ex_store (return_desc, operand[1], walk_state);
+ status = acpi_ex_store(return_desc, operand[1], walk_state);
}
-
-cleanup:
+ cleanup:
if (!walk_state->result_obj) {
walk_state->result_obj = return_desc;
@@ -588,14 +552,13 @@ cleanup:
/* Delete return object on error */
- if (ACPI_FAILURE (status)) {
- acpi_ut_remove_reference (return_desc);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(return_desc);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_1A_0T_1R
@@ -608,28 +571,24 @@ cleanup:
*
******************************************************************************/
-acpi_status
-acpi_ex_opcode_1A_0T_1R (
- struct acpi_walk_state *walk_state)
+acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
{
- union acpi_operand_object **operand = &walk_state->operands[0];
- union acpi_operand_object *temp_desc;
- union acpi_operand_object *return_desc = NULL;
- acpi_status status = AE_OK;
- u32 type;
- acpi_integer value;
-
-
- ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_1R",
- acpi_ps_get_opcode_name (walk_state->opcode));
+ union acpi_operand_object **operand = &walk_state->operands[0];
+ union acpi_operand_object *temp_desc;
+ union acpi_operand_object *return_desc = NULL;
+ acpi_status status = AE_OK;
+ u32 type;
+ acpi_integer value;
+ ACPI_FUNCTION_TRACE_STR("ex_opcode_1A_0T_1R",
+ acpi_ps_get_opcode_name(walk_state->opcode));
/* Examine the AML opcode */
switch (walk_state->opcode) {
- case AML_LNOT_OP: /* LNot (Operand) */
+ case AML_LNOT_OP: /* LNot (Operand) */
- return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -644,15 +603,14 @@ acpi_ex_opcode_1A_0T_1R (
}
break;
-
- case AML_DECREMENT_OP: /* Decrement (Operand) */
- case AML_INCREMENT_OP: /* Increment (Operand) */
+ case AML_DECREMENT_OP: /* Decrement (Operand) */
+ case AML_INCREMENT_OP: /* Increment (Operand) */
/*
* Create a new integer. Can't just get the base integer and
* increment it because it may be an Arg or Field.
*/
- return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -663,10 +621,11 @@ acpi_ex_opcode_1A_0T_1R (
* NS Node or an internal object.
*/
temp_desc = operand[0];
- if (ACPI_GET_DESCRIPTOR_TYPE (temp_desc) == ACPI_DESC_TYPE_OPERAND) {
+ if (ACPI_GET_DESCRIPTOR_TYPE(temp_desc) ==
+ ACPI_DESC_TYPE_OPERAND) {
/* Internal reference object - prevent deletion */
- acpi_ut_add_reference (temp_desc);
+ acpi_ut_add_reference(temp_desc);
}
/*
@@ -676,11 +635,15 @@ acpi_ex_opcode_1A_0T_1R (
* NOTE: We use LNOT_OP here in order to force resolution of the
* reference operand to an actual integer.
*/
- status = acpi_ex_resolve_operands (AML_LNOT_OP, &temp_desc, walk_state);
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s: bad operand(s) %s\n",
- acpi_ps_get_opcode_name (walk_state->opcode),
- acpi_format_exception(status)));
+ status =
+ acpi_ex_resolve_operands(AML_LNOT_OP, &temp_desc,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "%s: bad operand(s) %s\n",
+ acpi_ps_get_opcode_name(walk_state->
+ opcode),
+ acpi_format_exception(status)));
goto cleanup;
}
@@ -690,25 +653,25 @@ acpi_ex_opcode_1A_0T_1R (
* Perform the actual increment or decrement
*/
if (walk_state->opcode == AML_INCREMENT_OP) {
- return_desc->integer.value = temp_desc->integer.value +1;
- }
- else {
- return_desc->integer.value = temp_desc->integer.value -1;
+ return_desc->integer.value =
+ temp_desc->integer.value + 1;
+ } else {
+ return_desc->integer.value =
+ temp_desc->integer.value - 1;
}
/* Finished with this Integer object */
- acpi_ut_remove_reference (temp_desc);
+ acpi_ut_remove_reference(temp_desc);
/*
* Store the result back (indirectly) through the original
* Reference object
*/
- status = acpi_ex_store (return_desc, operand[0], walk_state);
+ status = acpi_ex_store(return_desc, operand[0], walk_state);
break;
-
- case AML_TYPE_OP: /* object_type (source_object) */
+ case AML_TYPE_OP: /* object_type (source_object) */
/*
* Note: The operand is not resolved at this point because we want to
@@ -719,13 +682,15 @@ acpi_ex_opcode_1A_0T_1R (
/* Get the type of the base object */
- status = acpi_ex_resolve_multiple (walk_state, operand[0], &type, NULL);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_ex_resolve_multiple(walk_state, operand[0], &type,
+ NULL);
+ if (ACPI_FAILURE(status)) {
goto cleanup;
}
/* Allocate a descriptor to hold the type. */
- return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -734,8 +699,7 @@ acpi_ex_opcode_1A_0T_1R (
return_desc->integer.value = type;
break;
-
- case AML_SIZE_OF_OP: /* size_of (source_object) */
+ case AML_SIZE_OF_OP: /* size_of (source_object) */
/*
* Note: The operand is not resolved at this point because we want to
@@ -744,9 +708,10 @@ acpi_ex_opcode_1A_0T_1R (
/* Get the base object */
- status = acpi_ex_resolve_multiple (walk_state,
- operand[0], &type, &temp_desc);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ex_resolve_multiple(walk_state,
+ operand[0], &type,
+ &temp_desc);
+ if (ACPI_FAILURE(status)) {
goto cleanup;
}
@@ -777,9 +742,9 @@ acpi_ex_opcode_1A_0T_1R (
break;
default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "size_of - Operand is not Buf/Int/Str/Pkg - found type %s\n",
- acpi_ut_get_type_name (type)));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "size_of - Operand is not Buf/Int/Str/Pkg - found type %s\n",
+ acpi_ut_get_type_name(type)));
status = AE_AML_OPERAND_TYPE;
goto cleanup;
}
@@ -788,7 +753,7 @@ acpi_ex_opcode_1A_0T_1R (
* Now that we have the size of the object, create a result
* object to hold the value
*/
- return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -797,22 +762,23 @@ acpi_ex_opcode_1A_0T_1R (
return_desc->integer.value = value;
break;
+ case AML_REF_OF_OP: /* ref_of (source_object) */
- case AML_REF_OF_OP: /* ref_of (source_object) */
-
- status = acpi_ex_get_object_reference (operand[0], &return_desc, walk_state);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_ex_get_object_reference(operand[0], &return_desc,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
goto cleanup;
}
break;
-
- case AML_DEREF_OF_OP: /* deref_of (obj_reference | String) */
+ case AML_DEREF_OF_OP: /* deref_of (obj_reference | String) */
/* Check for a method local or argument, or standalone String */
- if (ACPI_GET_DESCRIPTOR_TYPE (operand[0]) != ACPI_DESC_TYPE_NAMED) {
- switch (ACPI_GET_OBJECT_TYPE (operand[0])) {
+ if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) !=
+ ACPI_DESC_TYPE_NAMED) {
+ switch (ACPI_GET_OBJECT_TYPE(operand[0])) {
case ACPI_TYPE_LOCAL_REFERENCE:
/*
* This is a deref_of (local_x | arg_x)
@@ -825,11 +791,12 @@ acpi_ex_opcode_1A_0T_1R (
/* Set Operand[0] to the value of the local/arg */
- status = acpi_ds_method_data_get_value (
- operand[0]->reference.opcode,
- operand[0]->reference.offset,
- walk_state, &temp_desc);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_ds_method_data_get_value
+ (operand[0]->reference.opcode,
+ operand[0]->reference.offset,
+ walk_state, &temp_desc);
+ if (ACPI_FAILURE(status)) {
goto cleanup;
}
@@ -837,7 +804,7 @@ acpi_ex_opcode_1A_0T_1R (
* Delete our reference to the input object and
* point to the object just retrieved
*/
- acpi_ut_remove_reference (operand[0]);
+ acpi_ut_remove_reference(operand[0]);
operand[0] = temp_desc;
break;
@@ -845,8 +812,9 @@ acpi_ex_opcode_1A_0T_1R (
/* Get the object to which the reference refers */
- temp_desc = operand[0]->reference.object;
- acpi_ut_remove_reference (operand[0]);
+ temp_desc =
+ operand[0]->reference.object;
+ acpi_ut_remove_reference(operand[0]);
operand[0] = temp_desc;
break;
@@ -857,7 +825,6 @@ acpi_ex_opcode_1A_0T_1R (
}
break;
-
case ACPI_TYPE_STRING:
/*
@@ -868,22 +835,28 @@ acpi_ex_opcode_1A_0T_1R (
* 2) Dereference the node to an actual object. Could be a
* Field, so we need to resolve the node to a value.
*/
- status = acpi_ns_get_node_by_path (operand[0]->string.pointer,
- walk_state->scope_info->scope.node,
- ACPI_NS_SEARCH_PARENT,
- ACPI_CAST_INDIRECT_PTR (
- struct acpi_namespace_node, &return_desc));
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_ns_get_node_by_path(operand[0]->string.
+ pointer,
+ walk_state->
+ scope_info->scope.
+ node,
+ ACPI_NS_SEARCH_PARENT,
+ ACPI_CAST_INDIRECT_PTR
+ (struct
+ acpi_namespace_node,
+ &return_desc));
+ if (ACPI_FAILURE(status)) {
goto cleanup;
}
- status = acpi_ex_resolve_node_to_value (
- ACPI_CAST_INDIRECT_PTR (
- struct acpi_namespace_node, &return_desc),
- walk_state);
+ status =
+ acpi_ex_resolve_node_to_value
+ (ACPI_CAST_INDIRECT_PTR
+ (struct acpi_namespace_node, &return_desc),
+ walk_state);
goto cleanup;
-
default:
status = AE_AML_OPERAND_TYPE;
@@ -893,17 +866,20 @@ acpi_ex_opcode_1A_0T_1R (
/* Operand[0] may have changed from the code above */
- if (ACPI_GET_DESCRIPTOR_TYPE (operand[0]) == ACPI_DESC_TYPE_NAMED) {
+ if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) ==
+ ACPI_DESC_TYPE_NAMED) {
/*
* This is a deref_of (object_reference)
* Get the actual object from the Node (This is the dereference).
* This case may only happen when a local_x or arg_x is
* dereferenced above.
*/
- return_desc = acpi_ns_get_attached_object (
- (struct acpi_namespace_node *) operand[0]);
- }
- else {
+ return_desc = acpi_ns_get_attached_object((struct
+ acpi_namespace_node
+ *)
+ operand[0]);
+ acpi_ut_add_reference(return_desc);
+ } else {
/*
* This must be a reference object produced by either the
* Index() or ref_of() operator
@@ -918,7 +894,8 @@ acpi_ex_opcode_1A_0T_1R (
switch (operand[0]->reference.target_type) {
case ACPI_TYPE_BUFFER_FIELD:
- temp_desc = operand[0]->reference.object;
+ temp_desc =
+ operand[0]->reference.object;
/*
* Create a new object that contains one element of the
@@ -928,7 +905,9 @@ acpi_ex_opcode_1A_0T_1R (
* sub-buffer of the main buffer, it is only a pointer to a
* single element (byte) of the buffer!
*/
- return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
+ return_desc =
+ acpi_ut_create_internal_object
+ (ACPI_TYPE_INTEGER);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@@ -940,66 +919,63 @@ acpi_ex_opcode_1A_0T_1R (
* reference to the buffer itself.
*/
return_desc->integer.value =
- temp_desc->buffer.pointer[operand[0]->reference.offset];
+ temp_desc->buffer.
+ pointer[operand[0]->reference.
+ offset];
break;
-
case ACPI_TYPE_PACKAGE:
/*
* Return the referenced element of the package. We must
* add another reference to the referenced object, however.
*/
- return_desc = *(operand[0]->reference.where);
- if (!return_desc) {
- /*
- * We can't return a NULL dereferenced value. This is
- * an uninitialized package element and is thus a
- * severe error.
- */
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "NULL package element obj %p\n",
- operand[0]));
- status = AE_AML_UNINITIALIZED_ELEMENT;
- goto cleanup;
+ return_desc =
+ *(operand[0]->reference.where);
+ if (return_desc) {
+ acpi_ut_add_reference
+ (return_desc);
}
- acpi_ut_add_reference (return_desc);
break;
-
default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Unknown Index target_type %X in obj %p\n",
- operand[0]->reference.target_type, operand[0]));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Unknown Index target_type %X in obj %p\n",
+ operand[0]->reference.
+ target_type,
+ operand[0]));
status = AE_AML_OPERAND_TYPE;
goto cleanup;
}
break;
-
case AML_REF_OF_OP:
return_desc = operand[0]->reference.object;
- if (ACPI_GET_DESCRIPTOR_TYPE (return_desc) ==
- ACPI_DESC_TYPE_NAMED) {
+ if (ACPI_GET_DESCRIPTOR_TYPE(return_desc) ==
+ ACPI_DESC_TYPE_NAMED) {
- return_desc = acpi_ns_get_attached_object (
- (struct acpi_namespace_node *) return_desc);
+ return_desc =
+ acpi_ns_get_attached_object((struct
+ acpi_namespace_node
+ *)
+ return_desc);
}
/* Add another reference to the object! */
- acpi_ut_add_reference (return_desc);
+ acpi_ut_add_reference(return_desc);
break;
-
default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Unknown opcode in ref(%p) - %X\n",
- operand[0], operand[0]->reference.opcode));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Unknown opcode in ref(%p) - %X\n",
+ operand[0],
+ operand[0]->reference.
+ opcode));
status = AE_TYPE;
goto cleanup;
@@ -1007,25 +983,21 @@ acpi_ex_opcode_1A_0T_1R (
}
break;
-
default:
- ACPI_REPORT_ERROR (("acpi_ex_opcode_1A_0T_1R: Unknown opcode %X\n",
- walk_state->opcode));
+ ACPI_REPORT_ERROR(("acpi_ex_opcode_1A_0T_1R: Unknown opcode %X\n", walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
}
-
-cleanup:
+ cleanup:
/* Delete return object on error */
- if (ACPI_FAILURE (status)) {
- acpi_ut_remove_reference (return_desc);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(return_desc);
}
walk_state->result_obj = return_desc;
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-