Hello,
Could you update CVS / GIT / BZR, thank you
PS : Don't hesitate to correct the document if you found some mistakes
#ifndef __MSP430_HEADERS_MPY32_H
#define __MSP430_HEADERS_MPY32_H
/* mpy.h
*
* mspgcc project: MSP430 device headers
* Hardware 32-bit multiplier
*
* (c) 2008 by Sergey A. Borshch <sb...@sourceforge.net>
* Originally based in MSP430F543x datasheet (slas609)
* and MSP430x5xx Family User's Guide (slau208).
*
* $Id: mpy32.h,v 1.3 2008/12/15 12:48:20 sb-sf Exp $
*
* 2009-09-08 - THLN
* - definition updated with flexible base address
* based on Texas Instruments document : "MSP430x5xx Family User's Guide -
SLAU208 Revised July 2010"
*/
/* Switches:
__MSP430_MPY32_BASE__ - base address of MPY32 module(default is 0x4c0)
*/
#if defined(__MSP430_MPY32_BASE__)
#define __MSP430_MPY32_BASE__ 0x4c0
#endif /* __MSP430_MPY32_BASE__ */
#define MPY_ __MSP430_MPY32_BASE__ + 0x00 /* 16-bit operand 1
- multiply */
sfrw(MPY, MPY_);
#define MPYS_ __MSP430_MPY32_BASE__ + 0x02 /* 16-bit operand 1
- signed multiply */
sfrw(MPYS, MPYS_);
#define MAC_ __MSP430_MPY32_BASE__ + 0x04 /* 16-bit operand 1
- multiply accumulate */
sfrw(MAC, MAC_);
#define MACS_ __MSP430_MPY32_BASE__ + 0x06 /* 16-bit operand 1
- signed multiply accumulate */
sfrw(MACS, MACS_);
#define OP2_ __MSP430_MPY32_BASE__ + 0x08 /* 16-bit operand 2
*/
sfrw(OP2, OP2_);
#define RESLO_ __MSP430_MPY32_BASE__ + 0x0A /* 16x16 result low
word */
sfrw(RESLO, RESLO_);
#define RESHI_ __MSP430_MPY32_BASE__ + 0x0C /* 16x16 result
high word */
sfrw(RESHI, RESHI_);
#define SUMEXT_ __MSP430_MPY32_BASE__ + 0x0E /* 16x16 sum
extension */
sfrw(SUMEXT, SUMEXT_);
#define MPY32L_ __MSP430_MPY32_BASE__ + 0x10 /* 32-bit operand 1
- multiply low word */
sfrw(MPY32L, MPY32L_);
#define MPY32H_ __MSP430_MPY32_BASE__ + 0x12 /* 32-bit operand 1
- multiply high word */
sfrw(MPY32H, MPY32H_);
#define MPYS32L_ __MSP430_MPY32_BASE__ + 0x14 /* 32-bit operand 1
- signed multiply low word */
sfrw(MPYS32L, MPYS32L_);
#define MPYS32H_ __MSP430_MPY32_BASE__ + 0x16 /* 32-bit operand 1
- signed multiply high word */
sfrw(MPYS32H, MPYS32H_);
#define MAC32L_ __MSP430_MPY32_BASE__ + 0x18 /* 32-bit operand 1
- multiply accumulate low word */
sfrw(MAC32L, MAC32L_);
#define MAC32H_ __MSP430_MPY32_BASE__ + 0x1A /* 32-bit operand 1
- multiply accumulate high word */
sfrw(MAC32H, MAC32H_);
#define MACS32L_ __MSP430_MPY32_BASE__ + 0x1C /* 32-bit operand 1
- signed multiply accumulate low word */
sfrw(MACS32L, MACS32L_);
#define MACS32H_ __MSP430_MPY32_BASE__ + 0x1E /* 32-bit operand 1
- signed multiply accumulate high word */
sfrw(MACS32H, MACS32H_);
#define OP2L_ __MSP430_MPY32_BASE__ + 0x20 /* 32-bit operand 2
- low word */
sfrw(OP2L, OP2L_);
#define OP2H_ __MSP430_MPY32_BASE__ + 0x22 /* 32-bit operand 2
- high word */
sfrw(OP2H, OP2H_);
#define RES0_ __MSP430_MPY32_BASE__ + 0x24 /* 32x32 result 3 -
least significant word */
sfrw(RES0,RES0_);
#define RES1_ __MSP430_MPY32_BASE__ + 0x26
sfrw(RES1,RES1_);
#define RES2_ __MSP430_MPY32_BASE__ + 0x28
sfrw(RES2,RES2_);
#define RES3_ __MSP430_MPY32_BASE__ + 0x2A /* 32x32 result 3 -
most significant word */
sfrw(RES3,RES3_);
#define MPY32CTL0_ __MSP430_MPY32_BASE__ + 0x2C /* MPY32 control
register 0 */
sfrw(MPY32CTL0,MPY32CTL0_);
#define MPYDLY32 (1<<9) /* Delayed write mode */
#define MPYDLYWRTEN (1<<8) /* Delayed write enable */
#define MPYPO2_32 (1<<7) /* Multiplier bit width of operand 2 */
#define MPYPO1_32 (1<<6) /* Multiplier bit width of operand 1 */
#define MPYM1 (1<<5) /* Multiplier mode */
#define MPYM0 (1<<4) /* -- // -- */
#define MPYSAT (1<<3) /* Saturation mode */
#define MPYFRAC (1<<2) /* Fractional mode */
#define MPYC (1<<0) /* Carry of the multiplier */
#define MPYM_0 (0<<4) /* Multiply */
#define MPYM_1 (1<<4) /* Signed multiply */
#define MPYM_2 (2<<4) /* Multiply accumulate */
#define MPYM_3 (3<<4) /* Signed multiply accumulate */
#ifndef __ASSEMBLER__
/* Structured declaration */
#undef __xstr
#undef __str
#define __xstr(x) __str(x)
#define __str(x) #x
typedef struct
{
volatile unsigned int MPY; /* 16-bit operand 1 - multiply */
volatile unsigned int MPYS; /* 16-bit operand 1 - signed multiply */
volatile unsigned int MAC; /* 16-bit operand 1 - multiply
accumulate */
volatile unsigned int MACS; /* 16-bit operand 1 - signed multiply
accumulate */
volatile unsigned int OP2; /* 16-bit operand 2 */
volatile unsigned int RESLO; /* 16x16 result low word */
volatile unsigned int RESHI; /* 16x16 result high word */
volatile unsigned int SUMEXT; /* 16x16 sum extension */
volatile unsigned int MPY32L; /* 32-bit operand 1 - multiply low word
*/
volatile unsigned int MPY32H; /* 32-bit operand 1 - multiply high
word */
volatile unsigned int MPYS32L; /* 32-bit operand 1 - signed multiply
low word */
volatile unsigned int MPYS32H; /* 32-bit operand 1 - signed multiply
high word */
volatile unsigned int MAC32L; /* 32-bit operand 1 - multiply
accumulate low word */
volatile unsigned int MAC32H; /* 32-bit operand 1 - multiply
accumulate high word */
volatile unsigned int MACS32L; /* 32-bit operand 1 - signed multiply
accumulate low word */
volatile unsigned int MACS32H; /* 32-bit operand 1 - signed multiply
accumulate high word */
volatile unsigned int OP2L; /* 32-bit operand 2 - low word */
volatile unsigned int OP2H; /* 32-bit operand 2 - high word */
volatile unsigned int RES0; /* 32x32 result 3 - least significant
word */
volatile unsigned int RES1;
volatile unsigned int RES2;
volatile unsigned int RES3; /* 32x32 result 3 - most significant
word */
volatile unsigned int MPY32CTL0; /* MPY32 control register 0 */
} mpy32_t;
mpy32_t mpy32 asm(__xstr(__MSP430_MPY32_BASE__));
#undef __str
#undef __xstr
#endif /* __ASSEMBLER__ */
#endif /* __MSP430_HEADERS_MPY32_H */
