#ifdef __CC_ARM 
/* ARM RealView assembler */
#  define SECTION(x,t1,t2)   AREA |x|,t1
#  define ARM        CODE32
#  define THUMB      CODE16
#  define ALIGN(x)   ALIGN x
#  define LABEL(x)   x
#  define GLOBL(x)   GLOBAL x
#  define EXTERN(x)  EXTERN x
#else
/* GNU assembler */
#  define SECTION(x,t1,t2)  .section x,t2
#  define ARM       .arm
#  define THUMB     .thumb
#  define ALIGN(x)  .align x
#  define LABEL(x)   x:
#  define GLOBL(x)  .globl x
#  define EXTERN(x) .extern x
#  define END
#endif

	SECTION(.text,CODE,"ax")
	ALIGN(2)
	ARM
	GLOBL(RdCtrlReg)
	GLOBL(WrCtrlReg)
	GLOBL(mrc)

LABEL(RdCtrlReg)
	mrc  p15,0,r0,c1,c0,0
	bx   r14

LABEL(WrCtrlReg)
	mrc  p15,0,r0,c1,c0,0
	bx   r14

LABEL(mrc)
	/* Transfer data to or from coprocessor
	 *  r0 : data to read or write
	 *  r1 : mrc/mcr command 
	 */

	/* disable caches */
	mrc  p15,0,r2,c1,c0,0
	bic  r3,r2,#0x000c
	bic  r3,r3,#0x1000
	mcr  p15,0,r3,c1,c0,0

	/* write mrc/mcr command to memory */
	str  r1,cmd

	nop
	nop
	nop
	nop
LABEL(cmd)
	nop   /* execute mrc/mcr command (which gets written here) */

	/* re-enable caches */
	mcr  p15,0,r2,c1,c0,0

	bx   r14

	END