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Use cnt0 in serv_ctrl

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This commit is contained in:
Olof Kindgren
2020-12-01 22:40:52 +01:00
parent bbe3e56ab2
commit fd79a2ea0c
2 changed files with 4 additions and 2 deletions
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5
rtl/serv_ctrl.v
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@@ -9,6 +9,7 @@ module serv_ctrl
//State
input wire i_pc_en,
input wire i_cnt12to31,
input wire i_cnt0,
input wire i_cnt2,
input wire i_cnt_done,
//Control
@@ -54,7 +55,7 @@ module serv_ctrl
generate
if (WITH_CSR)
assign new_pc = i_trap ? (i_csr_pc & en_pc_r) : i_jump ? pc_plus_offset_aligned : pc_plus_4;
assign new_pc = i_trap ? (i_csr_pc & !i_cnt0) : i_jump ? pc_plus_offset_aligned : pc_plus_4;
else
assign new_pc = i_jump ? pc_plus_offset_aligned : pc_plus_4;
endgenerate
@@ -64,7 +65,7 @@ module serv_ctrl
assign offset_b = i_utype ? (i_imm & i_cnt12to31): i_buf;
assign {pc_plus_offset_cy,pc_plus_offset} = offset_a+offset_b+pc_plus_offset_cy_r;
assign pc_plus_offset_aligned = pc_plus_offset & en_pc_r;
assign pc_plus_offset_aligned = pc_plus_offset & !i_cnt0;
assign o_ibus_cyc = en_pc_r & !i_pc_en;