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authorAlejandro Soto <alejandro@34project.org>2022-11-12 21:47:54 -0600
committerAlejandro Soto <alejandro@34project.org>2022-11-13 05:54:44 -0600
commit6cb000adf57d7af2ec4aac8fd93d12f09cc63556 (patch)
tree39610a5bd40d8fbb5b0ffd54252113f859dc3c71 /rtl/core/control/cycles.sv
parent6281f45ac01e113f2b59fe6f49baad0cc8ab16fc (diff)
Implement CPU halt
Diffstat (limited to 'rtl/core/control/cycles.sv')
-rw-r--r--rtl/core/control/cycles.sv3
1 files changed, 3 insertions, 0 deletions
diff --git a/rtl/core/control/cycles.sv b/rtl/core/control/cycles.sv
index 0a70d5e..0c5d94c 100644
--- a/rtl/core/control/cycles.sv
+++ b/rtl/core/control/cycles.sv
@@ -4,6 +4,7 @@ module core_control_cycles
(
input logic clk,
rst_n,
+ halt,
mul,
ldst,
bubble,
@@ -28,6 +29,8 @@ module core_control_cycles
ISSUE:
if(exception)
next_cycle = EXCEPTION;
+ else if(halt)
+ next_cycle = ISSUE;
else if(mul)
next_cycle = mul_add ? MUL_ACC_LD : MUL;
else if(data_snd_shift_by_reg)