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removed unuseful state

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This commit is contained in:
Pasquale Davide Schiavone 2017-09-14 16:52:48 +02:00
parent bac9faedf1
commit 2ae033aeae
1 changed files with 1 additions and 18 deletions
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19
zeroriscy_controller.sv
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@ -122,7 +122,7 @@ module zeroriscy_controller
// FSM state encoding
enum logic [3:0] { RESET, BOOT_SET, WAIT_SLEEP, SLEEP, FIRST_FETCH,
DECODE, FLUSH, IRQ_TAKEN,
DBG_SIGNAL, DBG_SIGNAL_SLEEP, DBG_WAIT, DBG_WAIT_BRANCH, DBG_WAIT_SLEEP } ctrl_fsm_cs, ctrl_fsm_ns;
DBG_SIGNAL, DBG_SIGNAL_SLEEP, DBG_WAIT, DBG_WAIT_BRANCH } ctrl_fsm_cs, ctrl_fsm_ns;
logic irq_enable_int;
@ -360,23 +360,6 @@ module zeroriscy_controller
ctrl_fsm_ns = DBG_WAIT;
end
// The Debugger is active in this state
// we wait until it is done and go back to SLEEP
DBG_WAIT_SLEEP:
begin
halt_if_o = 1'b1;
if (dbg_jump_req_i) begin
pc_mux_o = PC_DBG_NPC;
pc_set_o = 1'b1;
ctrl_fsm_ns = DBG_WAIT;
end
if (dbg_stall_i == 1'b0) begin
ctrl_fsm_ns = SLEEP;
end
end
// The Debugger is active in this state
// we wait until it is done and go back to DECODE
DBG_WAIT: