vaxregdef.h

<B>Digital的Unix操作系统VAX 4.2源码</B>

# define ashp_s_dstlen 5
# define ashp_v_dstlen 0
# define ashp_b_round 10
# define ashp_s_round 4
# define ashp_v_round 0
# define ashp_a_dstaddr 12
					#  dstaddr.ab
 #	.endm
 
 #	.macro	cmpp3_def,..equ=<=>,..col=<:>
 #  define register usage for the cmpp3 instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |    delta-pc    |      xxxx      |               len               | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                             src1addr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |                               xxxxx                               | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                             src2addr                              | : r3
 #     +----------------+----------------+----------------+----------------+
# define cmpp3_s_cmpp3 16
 # define cmpp3 0
# define cmpp3_w_len 0
# define cmpp3_s_len 5
# define cmpp3_v_len 0
# define cmpp3_b_delta_pc 3
# define cmpp3_a_src1addr 4                
					#  src1addr.ab
# define cmpp3_a_src2addr 12               
					#  src2addr.ab
 #	.endm
 
 #	.macro	cmpp4_def,..equ=<=>,..col=<:>
 #  define register usage for the cmpp4 instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |    delta-pc    |      xxxx      |             src1len             | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                             src1addr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |              xxxxx              |             src2len             | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                             src2addr                              | : r3
 #     +----------------+----------------+----------------+----------------+
# define cmpp4_s_cmpp4 16
 # define cmpp4 0
# define cmpp4_w_src1len 0
# define cmpp4_s_src1len 5
# define cmpp4_v_src1len 0
# define cmpp4_b_delta_pc 3
# define cmpp4_a_src1addr 4                
					#  src1addr.ab
# define cmpp4_w_src2len 8
# define cmpp4_s_src2len 5
# define cmpp4_v_src2len 0
# define cmpp4_a_src2addr 12               
					#  src2addr.ab
 #	.endm
 
 #	.macro	cvtlp_def,..equ=<=>,..col=<:>
 #  define register usage for the cvtlp instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |                                src                                | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |    state          saved_psw        saved_r5          saved_r4     | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |    delta-pc    |      xxxx      |             dstlen              | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                              dstaddr                              | : r3
 #     +----------------+----------------+----------------+----------------+
#define cvtlp_m_state 7
#define cvtlp_m_fpd 8
#define cvtlp_s_cvtlp16
# define cvtlp_s_cvtlp 16
 # define cvtlp 0
# define cvtlp_l_src 0                     
					#  src.rl
#define cvtlp_b_saved_r4 4
#define cvtlp_b_saved_r5 5
#define cvtlp_b_saved_psw 6
#define cvtlp_b_state 7
#define cvtlp_s_state 3
#define cvtlp_v_state 0
#define cvtlp_v_fpd 3
# define cvtlp_w_dstlen 8
# define cvtlp_s_dstlen 5
# define cvtlp_v_dstlen 0
# define cvtlp_b_delta_pc 11
# define cvtlp_a_dstaddr 12                
					#  dstaddr.ab
 #	.endm
 
 #	.macro	cvtpl_def,..equ=<=>,..col=<:>
 #  define register usage for the cvtpl instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |    delta-pc    |      state     |             srclen              | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                              srcaddr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |                               result                              | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                                dst                                | : r3
 #     +----------------+----------------+----------------+----------------+
#define cvtpl_m_saved 15
#define cvtpl_m_state 112
#define cvtpl_m_fpd 128
# define cvtpl_s_cvtpl 16
 # define cvtpl 0
# define cvtpl_w_srclen 0
# define cvtpl_b_srclen 0
# define cvtpl_s_srclen 5
# define cvtpl_v_srclen 0
# define cvtpl_b_delta_srcaddr 1
# define cvtpl_b_state 2
# define cvtpl_s_saved_psw 4
# define cvtpl_v_saved_psw 0
# define cvtpl_s_state 3
# define cvtpl_v_state 4
# define cvtpl_v_fpd 7
# define cvtpl_b_delta_pc 3
# define cvtpl_a_srcaddr 4                 
					#  srcaddr.ab
# define cvtpl_l_result 8
# define cvtpl_a_dst 12                    
					#  dst.wl
 #	.endm
 
 #	.macro	cvtps_def,..equ=<=>,..col=<:>
 #  define register usage for the cvtps instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |    delta-pc    |      xxxx      |             srclen              | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                              srcaddr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |              xxxxx              |             dstlen              | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                              dstaddr                              | : r3
 #     +----------------+----------------+----------------+----------------+
# define cvtps_s_cvtps 16
 # define cvtps 0
# define cvtps_w_srclen 0
# define cvtps_s_srclen 5
# define cvtps_v_srclen 0
# define cvtps_b_delta_pc 3
# define cvtps_a_srcaddr 4                 
					#  srcaddr.ab
# define cvtps_w_dstlen 8
# define cvtps_s_dstlen 5
# define cvtps_v_dstlen 0
# define cvtps_a_dstaddr 12                
					#  dstaddr.ab
 #	.endm
 
 #	.macro	cvtpt_def,..equ=<=>,..col=<:>
 #  define register usage for the cvtpt instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |             dstlen              |             srclen              | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                              srcaddr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |                              tbladdr                              | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                              dstaddr                              | : r3
 #     +----------------+----------------+----------------+----------------+
 # 
 #     there is no spare byte to store the delta-pc quantity with three
 #     addresses to be stored in four registers. the delta-pc quantity is
 #     stored in the upper byte of the dstlen cell. once the destination length
 #     has been checked for a legal range (a decimal string length larger than
 #     31 causes a reserved operand abort), that length can be easily stored in
 #     five bytes, leaving the upper byte free. 
 # 
 # 
 #                       31            24       20      16
 #                      +----------------+-----+----------+
 #                      |             dstlen              |
 #                      +----------------+-----+----------+
 #                     /                /       \          \
 #                    /                /         \          \
 #                   +----------------+           +----------+
 #                   |    delta-pc    |           |  dstlen  |
 #                   +----------------+           +----------+
 #                    31            24             20      16
# define cvtpt_s_cvtpt 16
 # define cvtpt 0
# define cvtpt_w_srclen 0
# define cvtpt_s_srclen 5
# define cvtpt_v_srclen 0
# define cvtpt_v_fpd 15
# define cvtpt_w_dstlen 2
# define cvtpt_b_dstlen 2
# define cvtpt_s_dstlen 5
# define cvtpt_v_dstlen 0
# define cvtpt_b_delta_pc 3
# define cvtpt_a_srcaddr 4                 
					#  srcaddr.ab
# define cvtpt_a_tbladdr 8                 
					#  tbladdr.ab
# define cvtpt_a_dstaddr 12                
					#  dstaddr.ab
 #	.endm
 
 #	.macro	cvtsp_def,..equ=<=>,..col=<:>
 #  define register usage for the cvtsp instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |    delta-pc    |      xxxx      |             srclen              | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                              srcaddr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |              xxxxx              |             dstlen              | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                              dstaddr                              | : r3
 #     +----------------+----------------+----------------+----------------+
# define cvtsp_s_cvtsp 16
 # define cvtsp 0
# define cvtsp_w_srclen 0
# define cvtsp_s_srclen 5
# define cvtsp_v_srclen 0
# define cvtsp_b_delta_pc 3
# define cvtsp_a_srcaddr 4                 
					#  srcaddr.ab
# define cvtsp_w_dstlen 8
# define cvtsp_s_dstlen 5
# define cvtsp_v_dstlen 0
# define cvtsp_a_dstaddr 12                
					#  dstaddr.ab
 #	.endm
 
 #	.macro	cvttp_def,..equ=<=>,..col=<:>
 #  define register usage for the cvttp instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |             dstlen              |             srclen              | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                              srcaddr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |                              tbladdr                              | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                              dstaddr                              | : r3
 #     +----------------+----------------+----------------+----------------+
 # 
 #     there is no spare byte to store the delta-pc quantity with three
 #     addresses to be stored in four registers. the delta-pc quantity is
 #     stored in the upper byte of the dstlen cell. once the destination length
 #     has been checked for a legal range (a decimal string length larger than
 #     31 causes a reserved operand abort), that length can be easily stored in
 #     five bytes, leaving the upper byte free.