Source code of Windows XP (NT5)
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#ifndef _ALPHA_DIS_
#define _ALPHA_DIS_
//
// Bit manipulations for Alpha instructions
//
#define SHFT_OPCODE 26
#define SHFT_RA 21
#define SHFT_RB 16
#define SHFT_JMP_FNC 14
#define SHFT_OP_FNC 5
#define SHFT_RBV_TYPE 12
#define SHFT_LIT 13
#define SHFT_FP_FNC 5
#define WIDTH_OPCODE 6
#define WIDTH_REG 5
#define WIDTH_MEM_DISP 16
#define WIDTH_HINT 14
#define WIDTH_JMP_FNC 2
#define WIDTH_BR_DISP 21
#define WIDTH_OP_FNC 7
#define WIDTH_LIT 8
#define WIDTH_FP_FNC 11
#define WIDTH_PAL_FNC 26
#define BITS_OPCODE ~(-1 << WIDTH_OPCODE)
#define BITS_REG ~(-1 << WIDTH_REG)
#define BITS_MEM_DISP ~(-1 << WIDTH_MEM_DISP)
#define BITS_HINT ~(-1 << WIDTH_HINT)
#define BITS_JMP_FNC ~(-1 << WIDTH_JMP_FNC)
#define BITS_BR_DISP ~(-1 << WIDTH_BR_DISP)
#define BITS_OP_FNC ~(-1 << WIDTH_OP_FNC)
#define BITS_LIT ~(-1 << WIDTH_LIT)
#define BITS_FP_FNC ~(-1 << WIDTH_FP_FNC)
#define BITS_PAL_FNC ~(-1 << WIDTH_PAL_FNC)
#define OPCODE(a) ((BITS_OPCODE & (a)) << SHFT_OPCODE)
#define REG_A(a) ((BITS_REG & (a)) << SHFT_RA)
#define REG_B(a) ((BITS_REG & (a)) << SHFT_RB)
#define REG_C(a) (BITS_REG & (a))
#define MEM_DISP(a) (BITS_MEM_DISP & (a))
#define MEM_FUNC(a) MEM_DISP(a)
#define HINT(a) (BITS_HINT & (a))
#define JMP_FNC(a) ((BITS_JMP_FNC & (a)) << SHFT_JMP_FNC)
#define BR_DISP(a) (BITS_BR_DISP & (a))
#define OP_FNC(a) ((BITS_OP_FNC & (a)) << SHFT_OP_FNC)
#define RBV_TYPE(a) ((1 & (a)) << SHFT_RBV_TYPE)
#define LIT(a) ((BITS_LIT & (a)) << SHFT_LIT)
#define FP_FNC(a) ((BITS_FP_FNC & (a)) << SHFT_FP_FNC)
#define PAL_FNC(a) (BITS_PAL_FNC & (a))
#define MSK_OPCODE OPCODE(BITS_OPCODE)
#define MSK_RA GET_RA(BITS_REG)
#define MSK_RB REG_B(BITS_REG)
#define MSK_RC REG_C(BITS_REG)
#define MSK_MEM_DISP DISP(BITS_MEM_DISP)
#define MSK_HINT HINT(BITS_HINT)
#define MSK_JMP_FNC JMP_FNC(BITS_JMP_FNC)
#define MSK_BR_DISP BR_DISP(BITS_BR_DISP)
#define MSK_RBV_TYPE RBV_TYPE(1)
#define MSK_LIT LIT(BITS_LIT)
#define MSK_FP_FNC FP_FNC(BITS_FP_FNC)
#define MSK_PAL_FNC PAL_FNC(BITS_PAL_FNC)
#define EXTR_OPCODE(a) (((a) & MSK_OPCODE) >> SHFT_OPCODE)
#define EXTR_RA(a) (((a) & MSK_RA) >> SHFT_RA)
#define EXTR_RB(a) (((a) & MSK_RB) >> SHFT_RA)
#define EXTR_RC(a) ((a) & MSK_RC)
#define EXTR_MEM_DISP(a) ((a) & MSK_MEM_DISP)
#define EXTR_HINT(a) ((a) & MSK_HINT)
#define EXTR_JMP_FNC(a) (((a) & MSK_JMP_FNC) >> SHFT_JMP_FNC)
#define EXTR_BR_DISP(a) ((a) & MSK_BR_DISP)
#define EXTR_RBV_TYPE(a) (((a) & MSK_RBV_TYPE) >> SHFT_RBV_TYPE)
#define EXTR_LIT(a) (((a) & MSK_LIT) >> SHFT_LIT)
#define EXTR_FP_FNC(a) (((a) & MSK_FP_FNC) >> SHFT_FP_FNC)
#define EXTR_PAL_FNC(a) ((a) & MSK_PAL_FNC)
//
// Bit manipulations for EV4 PAL mode instructions
//
#define SHFT_EV4_IBOX 5
#define SHFT_EV4_ABOX 6
#define SHFT_EV4_PALTEMP 7
#define SHFT_EV4_QWORD 12
#define SHFT_EV4_RWCHECK 13
#define SHFT_EV4_ALT 14
#define SHFT_EV4_PHYSICAL 15
#define WIDTH_EV4_INDEX 5
#define WIDTH_EV4_IBOX 1
#define WIDTH_EV4_ABOX 1
#define WIDTH_EV4_PALTEMP 1
#define WIDTH_EV4_DISP 12
#define WIDTH_EV4_QWORD 1
#define WIDTH_EV4_RWCHECK 1
#define WIDTH_EV4_ALT 1
#define WIDTH_EV4_PHYSICAL 1
#define BITS_EV4_INDEX ~(-1 << WIDTH_EV4_INDEX)
#define BITS_EV4_IBOX ~(-1 << WIDTH_EV4_IBOX)
#define BITS_EV4_ABOX ~(-1 << WIDTH_EV4_ABOX)
#define BITS_EV4_PALTEMP ~(-1 << WIDTH_EV4_PALTEMP)
#define BITS_EV4_DISP ~(-1 << WIDTH_EV4_DISP)
#define BITS_EV4_QWORD ~(-1 << WIDTH_EV4_QWORD)
#define BITS_EV4_RWCHECK ~(-1 << WIDTH_EV4_RWCHECK)
#define BITS_EV4_ALT ~(-1 << WIDTH_EV4_ALT)
#define BITS_EV4_PHYSICAL ~(-1 << WIDTH_EV4_PHYSICAL)
#define EV4_INDEX(a) (BITS_EV4_INDEX & (a))
#define EV4_IBOX(a) ((BITS_EV4_IBOX & (a)) << SHFT_EV4_IBOX)
#define EV4_ABOX(a) ((BITS_EV4_ABOX & (a)) << SHFT_EV4_ABOX)
#define EV4_PALTEMP(a) ((BITS_EV4_PALTEMP & (a)) << SHFT_EV4_PALTEMP)
#define EV4_DISP(a) (BITS_EV4_DISP & (a))
#define EV4_QWORD(a) ((BITS_EV4_QWORD & (a)) << SHFT_EV4_QWORD)
#define EV4_RWCHECK(a) ((BITS_EV4_RWCHECK & (a)) << SHFT_EV4_RWCHECK)
#define EV4_ALT(a) ((BITS_EV4_ALT & (a)) << SHFT_EV4_ALT)
#define EV4_PHYSICAL(a) ((BITS_EV4_PHYSICAL & (a)) << SHFT_EV4_PHYSICAL)
#define MSK_EV4_INDEX EV4_INDEX(BITS_EV4_INDEX)
#define MSK_EV4_IBOX EV4_IBOX(BITS_EV4_IBOX)
#define MSK_EV4_ABOX EV4_ABOX(BITS_EV4_ABOX)
#define MSK_EV4_PALTEMP EV4_PALTEMP(BITS_EV4_PALTEMP)
#define MSK_EV4_PR (MSK_EV4_INDEX | MSK_EV4_IBOX | MSK_EV4_ABOX | MSK_EV4_PALTEMP)
#define MSK_EV4_DISP EV4_DISP(BITS_EV4_DISP)
#define MSK_EV4_QWORD EV4_QWORD(BITS_EV4_QWORD)
#define MSK_EV4_RWCHECK EV4_RWCHECK(BITS_EV4_RWCHECK)
#define MSK_EV4_ALT EV4_ALT(BITS_EV4_ALT)
#define MSK_EV4_PHYSICAL EV4_PHYSICAL(BITS_EV4_PHYSICAL)
#define EXTR_EV4_INDEX(a) (MSK_EV4_INDEX & (a))
#define EXTR_EV4_IBOX(a) ((MSK_EV4_IBOX & (a)) >> SHFT_EV4_IBOX)
#define EXTR_EV4_ABOX(a) ((MSK_EV4_ABOX & (a)) >> SHFT_EV4_ABOX)
#define EXTR_EV4_PALTEMP(a) ((MSK_EV4_PALTEMP & (a)) >> SHFT_EV4_PALTEMP)
#define EXTR_EV4_DISP(a) (MSK_EV4_DISP & (a))
#define EXTR_EV4_QWORD(a) ((MSK_EV4_QWORD & (a)) >> SHFT_EV4_QWORD)
#define EXTR_EV4_RWCHECK(a) ((MSK_EV4_RWCHECK & (a)) >> SHFT_EV4_RWCHECK)
#define EXTR_EV4_ALT(a) ((MSK_EV4_ALT & (a)) >> SHFT_EV4_ALT)
#define EXTR_EV4_PHYSICAL(a) ((MSK_EV4_PHYSICAL & (a)) >> SHFT_EV4_PHYSICAL)
#define EV4_TB_TAG (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(0))
#define EV4_ITB_PTE (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(1))
#define EV4_ICCSR (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(2))
#define EV4_ITM_PTE_TEMP (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(3))
#define EV4_EXC_ADDR (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(4))
#define EV4_SL_RCV (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(5))
#define EV4_ITBZAP (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(6))
#define EV4_ITBASM (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(7))
#define EV4_ITBIS (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(8))
#define EV4_PS (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(9))
#define EV4_EXC_SUM (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(10))
#define EV4_PAL_BASE (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(11))
#define EV4_HIRR (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(12))
#define EV4_SIRR (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(13))
#define EV4_ASTRR (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(14))
#define EV4_HIER (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(16))
#define EV4_SIER (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(17))
#define EV4_ASTER (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(18))
#define EV4_SL_CLR (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(19))
#define EV4_SL_XMIT (EV4_PALTEMP(0) | EV4_ABOX(0) | EV4_IBOX(1) | EV4_INDEX(22))
#define EV4_DTB_CTL (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(0))
#define EV4_DTB_PTE (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(2))
#define EV4_DTB_PTE_TEMP (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(3))
#define EV4_MMCSR (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(4))
#define EV4_VA (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(5))
#define EV4_DTBZAP (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(6))
#define EV4_DTASM (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(7))
#define EV4_DTBIS (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(8))
#define EV4_BIU_ADDR (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(9))
#define EV4_BIU_STAT (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(10))
#define EV4_DC_ADDR (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(11))
#define EV4_DC_STAT (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(12))
#define EV4_FILL_ADDR (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(13))
#define EV4_ABOX_CTL (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(14))
#define EV4_ALT_MODE (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(15))
#define EV4_CC (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(16))
#define EV4_CC_CTL (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(17))
#define EV4_BIU_CTL (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(18))
#define EV4_FILL_SYNDROME (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(19))
#define EV4_BC_TAG (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(20))
#define EV4_FLUSH_IC (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(21))
#define EV4_FLUSH_IC_ASM (EV4_PALTEMP(0) | EV4_ABOX(1) | EV4_IBOX(0) | EV4_INDEX(23))
#define EV4_PAL_TEMP(x) (EV4_PALTEMP(1) | EV4_ABOX(0) | EV4_IBOX(0) | EV4_INDEX(x))
#endif
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