asm.h File Reference

Assembly helper. More...

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Macros
#define	VAR2REG_B(var, reg)
#define	VAR2REG_W(var, reg)
#define	VAR2REG_L(var, reg)
#define	REG2VAR_B(reg, var)
#define	REG2VAR_W(reg, var)
#define	REG2VAR_L(reg, var)
#define	ENUM_BEGIN   typedef enum {
#define	ENUM_BEGIN_EX(tmpName)
#define	ENUM_BEGIN_SHORT   typedef enum __attribute__ ((__packed__)) {
#define	ENUM_BEGIN_SHORT_EX(tmpName)
#define	ENUM_VAL(name)
#define	ENUM_VALASSIGN(name, value)
#define	ENUM_END(enum_name)

Detailed Description

Assembly helper.

Author

Stephane Dallongeville

Date

08/2011

This unit provides methods to help dealing with inline assembly or header inclusion GAS.

Macro Definition Documentation

ENUM_BEGIN_EX

#define ENUM_BEGIN_EX

(

tmpName

)

Value:

typedef enum tmpName {

ENUM_BEGIN_SHORT_EX

#define ENUM_BEGIN_SHORT_EX

(

tmpName

)

Value:

typedef enum __attribute__ ((__packed__)) tmpName {

ENUM_END

#define ENUM_END

(

enum_name

)

Value:

} enum_name;

ENUM_VAL

#define ENUM_VAL

(

name

)

Value:

name,

ENUM_VALASSIGN

#define ENUM_VALASSIGN	(		name,
			value )

Value:

name = value,

REG2VAR_B

#define REG2VAR_B	(		reg,
			var )

Value:

asm volatile ("move.b %/"reg", %0" : "=r" (var));

REG2VAR_L

#define REG2VAR_L	(		reg,
			var )

Value:

asm volatile ("move.l %/"reg", %0" : "=r" (var));

REG2VAR_W

#define REG2VAR_W	(		reg,
			var )

Value:

asm volatile ("move.w %/"reg", %0" : "=r" (var));

VAR2REG_B

#define VAR2REG_B	(		var,
			reg )

Value:

asm volatile ("move.b %0, %/"reg"" :: "r" (var) : ""reg"");

VAR2REG_L

#define VAR2REG_L	(		var,
			reg )

Value:

asm volatile ("move.l %0, %/"reg"" :: "r" (var) : ""reg"");

VAR2REG_W

#define VAR2REG_W	(		var,
			reg )

Value:

asm volatile ("move.w %0, %/"reg"" :: "r" (var) : ""reg"");