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[config] Compressed extension parameter added #2361

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Merged
marnovandermaas merged 1 commit into from
Jan 28, 2026
Merged

[config] Compressed extension parameter added #2361

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7 changes: 7 additions & 0 deletions dv/riscv_compliance/ibex_riscv_compliance.core
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,12 @@ parameters:
paramtype: vlogdefine
description: "Bitmanip implementation parameter enum. See the ibex_pkg::rv32b_e enum in ibex_pkg.sv for permitted values."

RV32ZC:
datatype: str
default: ibex_pkg::RV32Zca
paramtype: vlogdefine
description: "Compressed instructions parameter enum. See the ibex_pkg::rv32zc_e enum in ibex_pkg.sv for permitted values."

RegFile:
datatype: str
default: ibex_pkg::RegFileFF
Expand Down Expand Up @@ -135,6 +141,7 @@ targets:
- RV32E
- RV32M
- RV32B
- RV32ZC
- RegFile
- ICache
- ICacheECC
Expand Down
2 changes: 2 additions & 0 deletions dv/riscv_compliance/rtl/ibex_riscv_compliance.sv
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Expand Up @@ -23,6 +23,7 @@ module ibex_riscv_compliance (
parameter bit RV32E = 1'b0;
parameter ibex_pkg::rv32m_e RV32M = ibex_pkg::RV32MFast;
parameter ibex_pkg::rv32b_e RV32B = ibex_pkg::RV32BNone;
parameter ibex_pkg::rv32zc_e RV32ZC = ibex_pkg::RV32Zca;
parameter ibex_pkg::regfile_e RegFile = ibex_pkg::RegFileFF;
parameter bit BranchTargetALU = 1'b0;
parameter bit WritebackStage = 1'b0;
Expand Down Expand Up @@ -146,6 +147,7 @@ module ibex_riscv_compliance (
.RV32E (RV32E ),
.RV32M (RV32M ),
.RV32B (RV32B ),
.RV32ZC (RV32ZC ),
.RegFile (RegFile ),
.BranchTargetALU (BranchTargetALU ),
.WritebackStage (WritebackStage ),
Expand Down
7 changes: 7 additions & 0 deletions dv/verilator/simple_system_cosim/ibex_simple_system_cosim.core
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Expand Up @@ -35,6 +35,12 @@ parameters:
paramtype: vlogdefine
description: "Bitmanip implementation parameter enum. See the ibex_pkg::rv32b_e enum in ibex_pkg.sv for permitted values."

RV32ZC:
datatype: str
default: ibex_pkg::RV32ZcaZcbZcmp
paramtype: vlogdefine
description: "Compressed instructions parameter enum. See the ibex_pkg::rv32zc_e enum in ibex_pkg.sv for permitted values."

RegFile:
datatype: str
default: ibex_pkg::RegFileFF
Expand Down Expand Up @@ -133,6 +139,7 @@ targets:
- RV32E
- RV32M
- RV32B
- RV32ZC
- RegFile
- ICache
- ICacheECC
Expand Down
6 changes: 6 additions & 0 deletions examples/simple_system/rtl/ibex_simple_system.sv
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Expand Up @@ -14,6 +14,10 @@
`define RV32B ibex_pkg::RV32BNone
`endif

`ifndef RV32ZC
`define RV32ZC ibex_pkg::RV32ZcaZcbZcmp
`endif

`ifndef RegFile
`define RegFile ibex_pkg::RegFileFF
`endif
Expand Down Expand Up @@ -45,6 +49,7 @@ module ibex_simple_system (
parameter bit RV32E = 1'b0;
parameter ibex_pkg::rv32m_e RV32M = `RV32M;
parameter ibex_pkg::rv32b_e RV32B = `RV32B;
parameter ibex_pkg::rv32zc_e RV32ZC = `RV32ZC;
parameter ibex_pkg::regfile_e RegFile = `RegFile;
parameter bit BranchTargetALU = 1'b0;
parameter bit WritebackStage = 1'b0;
Expand Down Expand Up @@ -197,6 +202,7 @@ module ibex_simple_system (
.RV32E ( RV32E ),
.RV32M ( RV32M ),
.RV32B ( RV32B ),
.RV32ZC ( RV32ZC ),
.RegFile ( RegFile ),
.BranchTargetALU ( BranchTargetALU ),
.ICache ( ICache ),
Expand Down
9 changes: 8 additions & 1 deletion ibex_configs.yaml
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Expand Up @@ -20,6 +20,7 @@ small:
RV32E : 0
RV32M : "ibex_pkg::RV32MFast"
RV32B : "ibex_pkg::RV32BNone"
RV32ZC : "ibex_pkg::RV32Zca"
RegFile : "ibex_pkg::RegFileFF"
BranchTargetALU : 0
WritebackStage : 0
Expand All @@ -40,6 +41,7 @@ opentitan:
RV32E : 0
RV32M : "ibex_pkg::RV32MSingleCycle"
RV32B : "ibex_pkg::RV32BOTEarlGrey"
RV32ZC : "ibex_pkg::RV32ZcaZcbZcmp"
RegFile : "ibex_pkg::RegFileFF"
BranchTargetALU : 1
WritebackStage : 1
Expand All @@ -63,6 +65,7 @@ maxperf:
RV32E : 0
RV32M : "ibex_pkg::RV32MSingleCycle"
RV32B : "ibex_pkg::RV32BNone"
RV32ZC : "ibex_pkg::RV32ZcaZcbZcmp"
RegFile : "ibex_pkg::RegFileFF"
BranchTargetALU : 1
WritebackStage : 1
Expand All @@ -83,6 +86,7 @@ maxperf-pmp-bmbalanced:
RV32E : 0
RV32M : "ibex_pkg::RV32MSingleCycle"
RV32B : "ibex_pkg::RV32BBalanced"
RV32ZC : "ibex_pkg::RV32ZcaZcbZcmp"
RegFile : "ibex_pkg::RegFileFF"
BranchTargetALU : 1
WritebackStage : 1
Expand All @@ -109,6 +113,7 @@ maxperf-pmp:
RV32E : 0
RV32M : "ibex_pkg::RV32MSingleCycle"
RV32B : "ibex_pkg::RV32BNone"
RV32ZC : "ibex_pkg::RV32ZcaZcbZcmp"
RegFile : "ibex_pkg::RegFileFF"
BranchTargetALU : 1
WritebackStage : 1
Expand All @@ -130,6 +135,7 @@ maxperf-pmp-bmfull:
RV32E : 0
RV32M : "ibex_pkg::RV32MSingleCycle"
RV32B : "ibex_pkg::RV32BFull"
RV32ZC : "ibex_pkg::RV32ZcaZcbZcmp"
RegFile : "ibex_pkg::RegFileFF"
BranchTargetALU : 1
WritebackStage : 1
Expand All @@ -150,6 +156,7 @@ maxperf-pmp-bmfull-icache:
RV32E : 0
RV32M : "ibex_pkg::RV32MSingleCycle"
RV32B : "ibex_pkg::RV32BFull"
RV32ZC : "ibex_pkg::RV32ZcaZcbZcmp"
RegFile : "ibex_pkg::RegFileFF"
BranchTargetALU : 1
WritebackStage : 1
Expand Down Expand Up @@ -177,6 +184,7 @@ experimental-branch-predictor:
RV32E : 0
RV32M : "ibex_pkg::RV32MSingleCycle"
RV32B : "ibex_pkg::RV32BNone"
RV32ZC : "ibex_pkg::RV32ZcaZcbZcmp"
RegFile : "ibex_pkg::RegFileFF"
BranchTargetALU : 1
WritebackStage : 1
Expand All @@ -191,4 +199,3 @@ experimental-branch-predictor:
PMPNumRegions : 4
MHPMCounterNum : 0
MHPMCounterWidth : 40

6 changes: 6 additions & 0 deletions ibex_core.core
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Expand Up @@ -78,6 +78,12 @@ parameters:
paramtype: vlogdefine
description: "Bitmanip implementation parameter enum. See the ibex_pkg::rv32b_e enum in ibex_pkg.sv for permitted values."

RV32ZC:
datatype: str
default: ibex_pkg::RV32ZcaZcbZcmp
paramtype: vlogdefine
description: "Compressed instructions parameter enum. See the ibex_pkg::rv32zc_e enum in ibex_pkg.sv for permitted values."

RegFile:
datatype: str
default: ibex_pkg::RegFileFF
Expand Down
6 changes: 6 additions & 0 deletions ibex_top.core
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Expand Up @@ -66,6 +66,12 @@ parameters:
paramtype: vlogdefine
description: "Bitmanip implementation parameter enum. See the ibex_pkg::rv32b_e enum in ibex_pkg.sv for permitted values."

RV32ZC:
datatype: str
default: ibex_pkg::RV32ZcaZcbZcmp
paramtype: vlogdefine
description: "Compressed instructions parameter enum. See the ibex_pkg::rv32zc_e enum in ibex_pkg.sv for permitted values."

RegFile:
datatype: str
default: ibex_pkg::RegFileFF
Expand Down
7 changes: 7 additions & 0 deletions ibex_top_tracing.core
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,12 @@ parameters:
paramtype: vlogdefine
description: "Bitmanip implementation parameter enum. See the ibex_pkg::rv32b_e enum in ibex_pkg.sv for permitted values."

RV32ZC:
datatype: str
default: ibex_pkg::RV32ZcaZcbZcmp
paramtype: vlogdefine
description: "Compressed instructions parameter enum. See the ibex_pkg::rv32zc_e enum in ibex_pkg.sv for permitted values."

RegFile:
datatype: str
default: ibex_pkg::RegFileFF
Expand Down Expand Up @@ -143,6 +149,7 @@ targets:
- RV32E
- RV32M
- RV32B
- RV32ZC
- RegFile
- ICache
- ICacheECC
Expand Down
2 changes: 2 additions & 0 deletions util/ibex_config.py
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Expand Up @@ -24,6 +24,7 @@ class Config:
('RV32E', bool),
('RV32M', str),
('RV32B', str),
('RV32ZC', str),
('RegFile', str),
('BranchTargetALU', bool),
('WritebackStage', bool),
Expand Down Expand Up @@ -62,6 +63,7 @@ def __init__(self, yml):
self.rv32e = Config.read_bool('RV32E', yml)
self.rv32m = Config.read_str('RV32M', yml)
self.rv32b = Config.read_str('RV32B', yml)
self.rv32zc = Config.read_str('RV32ZC', yml)
self.reg_file = Config.read_str('RegFile', yml)
self.branch_target_alu = Config.read_bool('BranchTargetALU', yml)
self.writeback_stage = Config.read_bool('WritebackStage', yml)
Expand Down
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