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/************************************************************************
*
* macros.h
*
* (c) Copyright 2001-2003 Analog Devices, Inc. All rights reserved.
*
************************************************************************/
/* Defines various assembly macros. */
#ifndef _MACROS_H
#define _MACROS_H
#define LO(con32) ((con32) & 0xFFFF)
#define lo(con32) ((con32) & 0xFFFF)
#define HI(con32) (((con32) >> 16) & 0xFFFF)
#define hi(con32) (((con32) >> 16) & 0xFFFF)
/*
* Set the corresponding bits in a System Register (SR);
* All bits set in "mask" will be set in the system register
* specified by "sys_reg" bitset_SR(sys_reg, mask), where
* sys_reg is the system register and mask are the bits to be set.
*/
#define bitset_SR(sys_reg, mask)\
[--SP] = (R7:6);\
r7 = sys_reg;\
r6.l = (mask) & 0xffff;\
r6.h = (mask) >> 16;\
r7 = r7 | r6;\
sys_reg = r7;\
csync;\
(R7:6) = [SP++]
/*
* Clear the corresponding bits in a System Register (SR);
* All bits set in "mask" will be cleared in the SR
* specified by "sys_reg" bitclr_SR(sys_reg, mask), where
* sys_reg is the SR and mask are the bits to be cleared.
*/
#define bitclr_SR(sys_reg, mask)\
[--SP] = (R7:6);\
r7 = sys_reg;\
r7 =~ r7;\
r6.l = (mask) & 0xffff;\
r6.h = (mask) >> 16;\
r7 = r7 | r6;\
r7 =~ r7;\
sys_reg = r7;\
csync;\
(R7:6) = [SP++]
/*
* Set the corresponding bits in a Memory Mapped Register (MMR);
* All bits set in "mask" will be set in the MMR specified by "mmr_reg"
* bitset_MMR(mmr_reg, mask), where mmr_reg is the MMR and mask are
* the bits to be set.
*/
#define bitset_MMR(mmr_reg, mask)\
[--SP] = (R7:6);\
[--SP] = P5;\
p5.l = mmr_reg & 0xffff;\
p5.h = mmr_reg >> 16;\
r7 = [p5];\
r6.l = (mask) & 0xffff;\
r6.h = (mask) >> 16;\
r7 = r7 | r6;\
[p5] = r7;\
csync;\
p5 = [SP++];\
(R7:6) = [SP++]
/*
* Clear the corresponding bits in a Memory Mapped Register (MMR);
* All bits set in "mask" will be cleared in the MMR specified by "mmr_reg"
* bitclr_MMRreg(mmr_reg, mask), where sys_reg is the MMR and mask are
* the bits to be cleared.
*/
#define bitclr_MMR(mmr_reg, mask)\
[--SP] = (R7:6);\
[--SP] = P5;\
p5.l = mmr_reg & 0xffff;\
p5.h = mmr_reg >> 16;\
r7 = [p5];\
r7 =~ r7;\
r6.l = (mask) & 0xffff;\
r6.h = (mask) >> 16;\
r7 = r7 | r6;\
r7 =~ r7;\
[p5] = r7;\
csync;\
p5 = [SP++];\
(R7:6) = [SP++]
#endif /* _MACROS_H */
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