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Mrvq stopping reqq popping added to avoid mrvq full deadlock

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felsabbagh3
2020-03-29 13:19:06 -07:00
parent f43a9ad1a6
commit cd418a1f96
2 changed files with 6 additions and 3 deletions
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5
rtl/VX_cache/VX_cache_miss_resrv.v
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@@ -61,6 +61,7 @@ module VX_cache_miss_resrv
input wire[2:0] miss_add_mem_write,
input wire[31:0] miss_add_pc,
output wire miss_resrv_full,
output wire miss_resrv_stop,
// Broadcast Fill
input wire is_fill_st1,
@@ -94,8 +95,8 @@ module VX_cache_miss_resrv
// assign miss_resrv_full = (MRVQ_SIZE != 2) && (tail_ptr+1) == head_ptr;
assign miss_resrv_full = (MRVQ_SIZE != 2) && (size == MRVQ_SIZE);
assign miss_resrv_full = (MRVQ_SIZE != 2) && (size == MRVQ_SIZE );
assign miss_resrv_stop = (MRVQ_SIZE != 2) && (size == (MRVQ_SIZE-4));
wire enqueue_possible = !miss_resrv_full;
wire[`vx_clog2(MRVQ_SIZE)-1:0] enqueue_index = tail_ptr;