Given the processor circuit below, what are the control logic actions of dm_we, dm_re, and add_sub if instruction lw $t1, e($t2) is executed? PC rst CTRL ir31 26 ir5_0 rf_wa_s rf_wd_s rf_we rf_rie r_r2e ld 11:2 1, 1, 1 O 0, 1, 1 0, 1, 0 IM 1, 1, 0 ir31_26 ir5_0 add2 s dm_we dm_re add_sub dm_we= ______, dm_re= ir20_16 ir15 11 ir25 21 ir20_16 ir15_0 +4 0 s wd P ria r2a rst RF rid r2d we rie r2e add_sub = SE dm_rd 11:2 dm a dm_wd add ADD/ SUB add2 sub wd rd DM we re

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Given the processor circuit below, what are the control logic actions of dm_we, dm_re, and add_sub if instruction lw $t1, 0($t2) is executed?

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Given the processor circuit below, what are the control logic
actions of dm_we, dm_re, and add_sub if instruction lw $t1,
($t2) is executed?
PC
rst
CTRL
ir31 26
ir5_0
ld
rf_wa_s
rf_wd_s
rf_we
rf_rie
rf_r2e.
add2_s.
dm_we.
dm_re
add_sub
dm_we =
11:2
1, 1, 1
0, 1, 1
0, 1, 0
1, 1,0
Ha d
IM
ir31_26
ir5_0
ir20_16
ir15_11
ir25_21
ir20_16
ir15_0
dm_re=
+4
Os
wd
wa
ria
r2a
rst
RF
r1d
r2d
we rie r2e
add_sub
=
SE
dm_rd
11:2 dm_a
dm wd
add1 /ADD/
SUB
add2
sub
a
wd
rd
DM
we re
Transcribed Image Text:Given the processor circuit below, what are the control logic actions of dm_we, dm_re, and add_sub if instruction lw $t1, ($t2) is executed? PC rst CTRL ir31 26 ir5_0 ld rf_wa_s rf_wd_s rf_we rf_rie rf_r2e. add2_s. dm_we. dm_re add_sub dm_we = 11:2 1, 1, 1 0, 1, 1 0, 1, 0 1, 1,0 Ha d IM ir31_26 ir5_0 ir20_16 ir15_11 ir25_21 ir20_16 ir15_0 dm_re= +4 Os wd wa ria r2a rst RF r1d r2d we rie r2e add_sub = SE dm_rd 11:2 dm_a dm wd add1 /ADD/ SUB add2 sub a wd rd DM we re
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