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ACPICA: changed order of interpretation of operand objects

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The interpreter now evaluates operands in the order that they
appear (both in the
 AML and ASL), instead of in reverse order. This previously
 caused subtle incompatibilities with the MS interpreter as well
 as being non-intuitive.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bob Moore
2008-04-10 19:06:37 +04:00
committed by Len Brown
parent ba886cd4ac
commit 4e3156b183
9 changed files with 177 additions and 8 deletions
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26
drivers/acpi/parser/psopcode.c
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@@ -49,6 +49,8 @@
#define _COMPONENT ACPI_PARSER
ACPI_MODULE_NAME("psopcode")
const u8 acpi_gbl_argument_count[] = { 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 6 };
/*******************************************************************************
*
* NAME: acpi_gbl_aml_op_info
@@ -59,6 +61,7 @@ ACPI_MODULE_NAME("psopcode")
* the operand type.
*
******************************************************************************/
/*
* Summary of opcode types/flags
*
@@ -176,6 +179,7 @@ ACPI_MODULE_NAME("psopcode")
AML_CREATE_QWORD_FIELD_OP
******************************************************************************/
/*
* Master Opcode information table. A summary of everything we know about each
* opcode, all in one place.
@@ -779,3 +783,25 @@ char *acpi_ps_get_opcode_name(u16 opcode)
#endif
}
/*******************************************************************************
*
* FUNCTION: acpi_ps_get_argument_count
*
* PARAMETERS: op_type - Type associated with the AML opcode
*
* RETURN: Argument count
*
* DESCRIPTION: Obtain the number of expected arguments for an AML opcode
*
******************************************************************************/
u8 acpi_ps_get_argument_count(u32 op_type)
{
if (op_type <= AML_TYPE_EXEC_6A_0T_1R) {
return (acpi_gbl_argument_count[op_type]);
}
return (0);
}