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[intercon] add fence signal to bus switch

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stnolting 2024-02-09 17:08:29 +01:00
parent c4153dfa98
commit 50068e8168
1 changed files with 15 additions and 14 deletions
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29
rtl/core/neorv32_intercon.vhd
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@ -133,21 +133,22 @@ begin
-- Request Switch -------------------------------------------------------------------------
-- -------------------------------------------------------------------------------------------
x_req_o.addr <= a_req_i.addr when (arbiter.sel = '0') else b_req_i.addr;
x_req_o.rvso <= a_req_i.rvso when (arbiter.sel = '0') else b_req_i.rvso;
x_req_o.priv <= a_req_i.priv when (arbiter.sel = '0') else b_req_i.priv;
x_req_o.src <= a_req_i.src when (arbiter.sel = '0') else b_req_i.src;
x_req_o.rw <= a_req_i.rw when (arbiter.sel = '0') else b_req_i.rw;
x_req_o.addr <= a_req_i.addr when (arbiter.sel = '0') else b_req_i.addr;
x_req_o.rvso <= a_req_i.rvso when (arbiter.sel = '0') else b_req_i.rvso;
x_req_o.priv <= a_req_i.priv when (arbiter.sel = '0') else b_req_i.priv;
x_req_o.src <= a_req_i.src when (arbiter.sel = '0') else b_req_i.src;
x_req_o.rw <= a_req_i.rw when (arbiter.sel = '0') else b_req_i.rw;
x_req_o.fence <= a_req_i.fence or b_req_i.fence; -- propagate any fence operations
x_req_o.data <= b_req_i.data when PORT_A_READ_ONLY else
a_req_i.data when PORT_B_READ_ONLY else
a_req_i.data when (arbiter.sel = '0') else b_req_i.data;
x_req_o.ben <= b_req_i.ben when PORT_A_READ_ONLY else
a_req_i.ben when PORT_B_READ_ONLY else
a_req_i.ben when (arbiter.sel = '0') else b_req_i.ben;
x_req_o.stb <= arbiter.stb;
x_req_o.data <= b_req_i.data when PORT_A_READ_ONLY else
a_req_i.data when PORT_B_READ_ONLY else
a_req_i.data when (arbiter.sel = '0') else b_req_i.data;
x_req_o.ben <= b_req_i.ben when PORT_A_READ_ONLY else
a_req_i.ben when PORT_B_READ_ONLY else
a_req_i.ben when (arbiter.sel = '0') else b_req_i.ben;
x_req_o.stb <= arbiter.stb;
-- Response Switch ------------------------------------------------------------------------