vaxregdef.h

<B>Digital的Unix操作系统VAX 4.2源码</B>

 # 
 # 
 #                       31            24       20      16
 #                      +----------------+-----+----------+
 #                      |             dstlen              |
 #                      +----------------+-----+----------+
 #                     /                /       \          \
 #                    /                /         \          \
 #                   +----------------+           +----------+
 #                   |    delta-pc    |           |  dstlen  |
 #                   +----------------+           +----------+
 #                    31            24             20      16
# define cvttp_s_cvttp 16
 # define cvttp 0
# define cvttp_w_srclen 0
# define cvttp_s_srclen 5
# define cvttp_v_srclen 0
# define cvttp_v_fpd 15
# define cvttp_w_dstlen 2
# define cvttp_b_dstlen 2
# define cvttp_s_dstlen 5
# define cvttp_v_dstlen 0
# define cvttp_b_delta_pc 3
# define cvttp_a_srcaddr 4                 
					#  srcaddr.ab
# define cvttp_a_tbladdr 8                 
					#  tbladdr.ab
# define cvttp_a_dstaddr 12                
					#  dstaddr.ab
 #	.endm
 
 #	.macro	divp_def,..equ=<=>,..col=<:>
 #  define register usage for the divp instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |    delta-pc    |      xxxx      |             divrlen             | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                             divraddr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |              xxxxx              |             divdlen             | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                             divdaddr                              | : r3
 #     +----------------+----------------+----------------+----------------+
 #     |              xxxxx              |             quolen              | : r4
 #     +----------------+----------------+----------------+----------------+
 #     |                              quoaddr                              | : r5
 #     +----------------+----------------+----------------+----------------+
# define divp_s_divp 24
 # define divp 0
# define divp_w_divrlen 0
# define divp_s_divrlen 5
# define divp_v_divrlen 0
# define divp_b_delta_pc 3
# define divp_a_divraddr 4                 
					#  divraddr.ab
# define divp_w_divdlen 8
# define divp_s_divdlen 5
# define divp_v_divdlen 0
# define divp_a_divdaddr 12                
					#  divdaddr.ab
# define divp_w_quolen 16
# define divp_s_quolen 5
# define divp_v_quolen 0
# define divp_a_quoaddr 20                 
					#  quoaddr.ab
 #	.endm
 
 #	.macro	movp_def,..equ=<=>,..col=<:>
 #  define register usage for the movp instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |    delta-pc    |      state     |               len               | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                              srcaddr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |                               xxxxx                               | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                              dstaddr                              | : r3
 #     +----------------+----------------+----------------+----------------+
# define movp_s_movp 16
 # define movp 0
# define movp_w_len 0
# define movp_s_len 5
# define movp_v_len 0
# define movp_b_state 2
# define movp_s_saved_psw 4
# define movp_v_saved_psw 0
# define movp_m_fpd 16
# define movp_v_fpd 4
# define movp_b_delta_pc 3
# define movp_a_srcaddr 4                  
					#  srcaddr.ab
# define movp_a_dstaddr 12                 
					#  dstaddr.ab
 #	.endm
 
 #	.macro	mulp_def,..equ=<=>,..col=<:>
 #  define register usage for the mulp instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |    delta-pc    |      xxxx      |             mulrlen             | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                             mulraddr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |              xxxxx              |             muldlen             | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                             muldaddr                              | : r3
 #     +----------------+----------------+----------------+----------------+
 #     |              xxxxx              |             prodlen             | : r4
 #     +----------------+----------------+----------------+----------------+
 #     |                             prodaddr                              | : r5
 #     +----------------+----------------+----------------+----------------+
# define mulp_s_mulp 24
 # define mulp 0
# define mulp_w_mulrlen 0
# define mulp_s_mulrlen 5
# define mulp_v_mulrlen 0
# define mulp_b_delta_pc 3
# define mulp_a_mulraddr 4                 
					#  mulraddr.ab
# define mulp_w_muldlen 8
# define mulp_s_muldlen 5
# define mulp_v_muldlen 0
# define mulp_a_muldaddr 12                
					#  muldaddr.ab
# define mulp_w_prodlen 16
# define mulp_s_prodlen 5
# define mulp_v_prodlen 0
# define mulp_a_prodaddr 20                
					#  prodaddr.ab
 #	.endm
 
 #	.macro	subp4_def,..equ=<=>,..col=<:>
 #  define register usage for the subp4 instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |    delta-pc    |      xxxx      |             sublen              | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                              subaddr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |              xxxxx              |             diflen              | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                              difaddr                              | : r3
 #     +----------------+----------------+----------------+----------------+
# define subp4_s_subp4 16
 # define subp4 0
# define subp4_w_sublen 0
# define subp4_s_sublen 5
# define subp4_v_sublen 0
# define subp4_b_delta_pc 3
# define subp4_a_subaddr 4                 
					#  subaddr.ab
# define subp4_w_diflen 8
# define subp4_s_diflen 5
# define subp4_v_diflen 0
# define subp4_a_difaddr 12                
					#  difaddr.ab
 #	.endm
 
 #	.macro	subp6_def,..equ=<=>,..col=<:>
 #  define register usage for the subp6 instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |    delta-pc    |      xxxx      |             sublen              | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                              subaddr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |              xxxxx              |             minlen              | : r2
 #     +----------------+----------------+----------------+----------------+
 #     |                              minaddr                              | : r3
 #     +----------------+----------------+----------------+----------------+
 #     |              xxxxx              |             diflen              | : r4
 #     +----------------+----------------+----------------+----------------+
 #     |                              difaddr                              | : r5
 #     +----------------+----------------+----------------+----------------+
# define subp6_s_subp6 24
 # define subp6 0
# define subp6_w_sublen 0
# define subp6_s_sublen 5
# define subp6_v_sublen 0
# define subp6_b_delta_pc 3
# define subp6_a_subaddr 4                 
					#  subaddr.ab
# define subp6_w_minlen 8
# define subp6_s_minlen 5
# define subp6_v_minlen 0

# define subp6_a_minaddr 12                
					#  minaddr.ab
# define subp6_w_diflen 16
# define subp6_s_diflen 5
# define subp6_v_diflen 0
# define subp6_a_difaddr 20                
					#  difaddr.ab
 #	.endm
 
 #	.macro	editpc_def,..equ=<=>,..col=<:>
 #  define register usage for the editpc instruction
 # 
 #      31               23               15               07            00
 #     +----------------+----------------+----------------+----------------+
 #     |           zero count            |             srclen              | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                              srcaddr                              | : r1
 #     +----------------+----------------+----------------+----------------+
 #     |    delta-pc    |  delta-pc      |      sign      |      fill      | : r0
 #     +----------------+----------------+----------------+----------------+
 #     |                              pattern                              | : r3
 #     +----------------+----------------+----------------+----------------+
 #     |  loop-count    |  state         |  saved_psw     | inisrclen      | : r4
 #     +----------------+----------------+----------------+----------------+
 #     |                              dstaddr                              | : r5
 #     +----------------+----------------+----------------+----------------+
# define editpc_m_state 15
# define editpc_m_fpd 16
# define editpc_s_editpc 24
 # define editpc 0
# define editpc_w_srclen 0
# define editpc_b_srclen 0
# define editpc_s_srclen 5
# define editpc_v_srclen 0
# define editpc_b_eo_read_char 1
# define editpc_w_zero_count 2
# define editpc_a_srcaddr 4                
					#  srcaddr.ab
# define editpc_b_fill 8
# define editpc_b_sign 9
# define editpc_b_delta_pc 10
# define editpc_b_delta_srcaddr 11         
					#  current srcaddr minus initial srcaddr
# define editpc_a_pattern 12               
					#  pattern.ab
# define editpc_b_inisrclen 16
# define editpc_b_saved_psw 17
# define editpc_b_state 18
# define editpc_s_state 4
# define editpc_v_state 1
# define editpc_v_fpd 4
# define editpc_b_loop_count 19
# define editpc_a_dstaddr 20               
					#  dstaddr.ab
# define editpc_l_saved_r0 16              
					#  initial srclen.rw
# define editpc_l_saved_r1 20              
					#  initial srcaddr.ab
/*
 *	Misc offsets
 */

# define cmppx_m_src1_minus 1
# define cmppx_m_src2_minus 2
# define cmppx_v_src1_minus 0
# define cmppx_v_src2_minus 1

 #	.endm