psopcode.c

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/*  5_a */  /* AML_DEVICE_OP */             OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_NAMED_OBJECT|    AML_HAS_ARGS, "Device",             ARGP_DEVICE_OP,         ARGI_DEVICE_OP),
/*  5_b */  /* AML_PROCESSOR_OP */          OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_NAMED_OBJECT|    AML_HAS_ARGS, "Processor",          ARGP_PROCESSOR_OP,      ARGI_PROCESSOR_OP),
/*  5_c */  /* AML_POWER_RES_OP */          OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_NAMED_OBJECT|    AML_HAS_ARGS, "Power_res",          ARGP_POWER_RES_OP,      ARGI_POWER_RES_OP),
/*  5_d */  /* AML_THERMAL_ZONE_OP */       OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_NAMED_OBJECT|    AML_HAS_ARGS, "Thermal_zone",       ARGP_THERMAL_ZONE_OP,   ARGI_THERMAL_ZONE_OP),
/*  5_e */  /* AML_INDEX_FIELD_OP */        OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_NAMED_OBJECT|    AML_HAS_ARGS, "Index_field",        ARGP_INDEX_FIELD_OP,    ARGI_INDEX_FIELD_OP),
/*  5_f */  /* AML_BANK_FIELD_OP */         OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_NAMED_OBJECT|    AML_HAS_ARGS, "Bank_field",         ARGP_BANK_FIELD_OP,     ARGI_BANK_FIELD_OP),

/* Internal opcodes that map to invalid AML opcodes */

/*  60 */   /* AML_LNOTEQUAL_OP */          OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_BOGUS|           AML_HAS_ARGS, "LNot_equal",         ARGP_LNOTEQUAL_OP,      ARGI_LNOTEQUAL_OP),
/*  61 */   /* AML_LLESSEQUAL_OP */         OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_BOGUS|           AML_HAS_ARGS, "LLess_equal",        ARGP_LLESSEQUAL_OP,     ARGI_LLESSEQUAL_OP),
/*  62 */   /* AML_LGREATEREQUAL_OP */      OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_BOGUS|           AML_HAS_ARGS, "LGreater_equal",     ARGP_LGREATEREQUAL_OP,  ARGI_LGREATEREQUAL_OP),
/*  63 */   /* AML_NAMEPATH_OP */           OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_LITERAL|         AML_NO_ARGS,  "Name_path",          ARGP_NAMEPATH_OP,       ARGI_NAMEPATH_OP),
/*  64 */   /* AML_METHODCALL_OP */         OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_METHOD_CALL|     AML_HAS_ARGS, "Method_call",        ARGP_METHODCALL_OP,     ARGI_METHODCALL_OP),
/*  65 */   /* AML_BYTELIST_OP */           OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_LITERAL|         AML_NO_ARGS,  "Byte_list",          ARGP_BYTELIST_OP,       ARGI_BYTELIST_OP),
/*  66 */   /* AML_RESERVEDFIELD_OP */      OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_BOGUS|           AML_NO_ARGS,  "Reserved_field",     ARGP_RESERVEDFIELD_OP,  ARGI_RESERVEDFIELD_OP),
/*  67 */   /* AML_NAMEDFIELD_OP */         OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_BOGUS|           AML_NO_ARGS,  "Named_field",        ARGP_NAMEDFIELD_OP,     ARGI_NAMEDFIELD_OP),
/*  68 */   /* AML_ACCESSFIELD_OP */        OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_BOGUS|           AML_NO_ARGS,  "Access_field",       ARGP_ACCESSFIELD_OP,    ARGI_ACCESSFIELD_OP),
/*  69 */   /* AML_STATICSTRING_OP */       OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_BOGUS|           AML_NO_ARGS,  "Static_string",      ARGP_STATICSTRING_OP,   ARGI_STATICSTRING_OP),
/*  6_a */  /* AML_RETURN_VALUE_OP */       OP_INFO_ENTRY (ACPI_OP_TYPE_OPCODE | OPTYPE_RETURN|          AML_HAS_ARGS, "[Return Value]",     ARG_NONE,               ARG_NONE),
/*  6_b */  /* UNKNOWN OPCODES */           OP_INFO_ENTRY (ACPI_OP_TYPE_UNKNOWN | OPTYPE_BOGUS|          AML_HAS_ARGS, "UNKNOWN_OP!",        ARG_NONE,               ARG_NONE),
/*  6_c */  /* ASCII CHARACTERS */          OP_INFO_ENTRY (ACPI_OP_TYPE_ASCII  | OPTYPE_BOGUS|           AML_HAS_ARGS, "ASCII_ONLY!",        ARG_NONE,               ARG_NONE),
/*  6_d */  /* PREFIX CHARACTERS */         OP_INFO_ENTRY (ACPI_OP_TYPE_PREFIX | OPTYPE_BOGUS|           AML_HAS_ARGS, "PREFIX_ONLY!",       ARG_NONE,               ARG_NONE),
};

/*
 * This table is directly indexed by the opcodes, and returns an
 * index into the table above
 */

static u8 aml_short_op_info_index[256] =
{
/*              0     1     2     3     4     5     6     7  */
/* 0x00 */    0x00, 0x01, _UNK, _UNK, _UNK, _UNK, 0x02, _UNK,
/* 0x08 */    0x03, _UNK, 0x04, 0x05, 0x06, 0x07, _UNK, _UNK,
/* 0x10 */    0x08, 0x09, 0x0a, _UNK, 0x0b, _UNK, _UNK, _UNK,
/* 0x18 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x20 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x28 */    _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX,
/* 0x30 */    0x67, 0x66, 0x68, 0x65, 0x69, 0x64, 0x6A, _UNK,
/* 0x38 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x40 */    _UNK, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
/* 0x48 */    _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
/* 0x50 */    _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
/* 0x58 */    _ASC, _ASC, _ASC, _UNK, _PFX, _UNK, _PFX, _ASC,
/* 0x60 */    0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
/* 0x68 */    0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, _UNK,
/* 0x70 */    0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22,
/* 0x78 */    0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a,
/* 0x80 */    0x2b, 0x2c, 0x2d, 0x2e, _UNK, _UNK, 0x2f, 0x30,
/* 0x88 */    0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, _UNK,
/* 0x90 */    0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, _UNK, _UNK,
/* 0x98 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0xA0 */    0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x60, 0x61,
/* 0xA8 */    0x62, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0xB0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0xB8 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0xC0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0xC8 */    _UNK, _UNK, _UNK, _UNK, 0x44, _UNK, _UNK, _UNK,
/* 0xD0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0xD8 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0xE0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0xE8 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0xF0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0xF8 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x45,
};


static u8 aml_long_op_info_index[NUM_EXTENDED_OPCODE] =
{
/*              0     1     2     3     4     5     6     7  */
/* 0x00 */    _UNK, 0x46, 0x47, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x08 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x10 */    _UNK, _UNK, 0x48, 0x49, _UNK, _UNK, _UNK, _UNK,
/* 0x18 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x20 */    0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51,
/* 0x28 */    0x52, 0x53, 0x54, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x30 */    0x55, 0x56, 0x57, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x38 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x40 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x48 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x50 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x58 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x60 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x68 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x70 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x78 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x80 */    0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
};


/*              0     1     2     3     4     5     6     7  */
/* 0x00 */


/*******************************************************************************
 *
 * FUNCTION:    Acpi_ps_get_opcode_info
 *
 * PARAMETERS:  Opcode              - The AML opcode
 *
 * RETURN:      A pointer to the info about the opcode.  NULL if the opcode was
 *              not found in the table.
 *
 * DESCRIPTION: Find AML opcode description based on the opcode.
 *              NOTE: This procedure must ALWAYS return a valid pointer!
 *
 ******************************************************************************/

ACPI_OPCODE_INFO *
acpi_ps_get_opcode_info (
	u16                     opcode)
{
	ACPI_OPCODE_INFO        *op_info;
	u8                      upper_opcode;
	u8                      lower_opcode;


	/* Split the 16-bit opcode into separate bytes */

	upper_opcode = (u8) (opcode >> 8);
	lower_opcode = (u8) opcode;

	/* Default is "unknown opcode" */

	op_info = &aml_op_info [_UNK];


	/*
	 * Detect normal 8-bit opcode or extended 16-bit opcode
	 */

	switch (upper_opcode)
	{
	case 0:

		/* Simple (8-bit) opcode: 0-255, can't index beyond table  */

		op_info = &aml_op_info [aml_short_op_info_index [lower_opcode]];
		break;


	case AML_EXTOP:

		/* Extended (16-bit, prefix+opcode) opcode */

		if (lower_opcode <= MAX_EXTENDED_OPCODE) {
			op_info = &aml_op_info [aml_long_op_info_index [lower_opcode]];
		}
		break;


	case AML_LNOT_OP:

		/* This case is for the bogus opcodes LNOTEQUAL, LLESSEQUAL, LGREATEREQUAL */
		/* TBD: [Investigate] remove this case? */

		break;


	default:

		break;
	}


	/* Get the Op info pointer for this opcode */

	return (op_info);
}


/*******************************************************************************
 *
 * FUNCTION:    Acpi_ps_get_opcode_name
 *
 * PARAMETERS:  Opcode              - The AML opcode
 *
 * RETURN:      A pointer to the name of the opcode (ASCII String)
 *              Note: Never returns NULL.
 *
 * DESCRIPTION: Translate an opcode into a human-readable string
 *
 ******************************************************************************/

NATIVE_CHAR *
acpi_ps_get_opcode_name (
	u16                     opcode)
{
	ACPI_OPCODE_INFO             *op;


	op = acpi_ps_get_opcode_info (opcode);

	/* Always guaranteed to return a valid pointer */

	return ("AE_NOT_CONFIGURED");
}