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Updating parameters for OpenTitan option

Browse source 
Updated the parameters with respect to top_earlgrey.hjson in OpenTitan
repository. For other builds, kept the previously undeclared parameters
as their default values.

Signed-off-by: Canberk Topal <ctopal@lowrisc.org>
This commit is contained in:
Canberk Topal 2022-04-27 15:59:39 +01:00 • committed by Rupert Swarbrick
parent 2f28987916
commit 394a0d2160
11 changed files with 279 additions and 104 deletions
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35
dv/riscv_compliance/ibex_riscv_compliance.core
View file

@ -77,6 +77,24 @@ parameters:
default: 0
description: "Enables static branch prediction (EXPERIMENTAL)"
DbgTriggerEn:
datatype: int
default: 0
paramtype: vlogparam
description: "Enable support for debug triggers. "
SecureIbex:
datatype: int
default: 0
paramtype: vlogparam
description: "Enables security hardening features (EXPERIMENTAL) [0/1]"
ICacheScramble:
datatype: int
default: 0
paramtype: vlogparam
description: "Enables ICache scrambling feature (EXPERIMENTAL) [0/1]"
PMPEnable:
datatype: int
default: 0
@ -95,17 +113,17 @@ parameters:
paramtype: vlogparam
description: "Number of PMP regions"
SecureIbex:
MHPMCounterNum:
datatype: int
paramtype: vlogparam
default: 0
description: "Enables security hardening features (EXPERIMENTAL) [0/1]"
description: Number of performance monitor event counters [0/29]
ICacheScramble:
MHPMCounterWidth:
datatype: int
paramtype: vlogparam
default: 0
description: "Enables ICache scrambling feature (EXPERIMENTAL) [0/1]"
default: 40
description: Bit width of performance monitor event counters [32/64]
targets:
sim:
@ -123,11 +141,14 @@ targets:
- BranchTargetALU
- WritebackStage
- BranchPredictor
- DbgTriggerEn
- SecureIbex
- ICacheScramble
- PMPEnable
- PMPGranularity
- PMPNumRegions
- SecureIbex
- ICacheScramble
- MHPMCounterNum
- MHPMCounterWidth
toplevel: ibex_riscv_compliance
tools:
verilator:

6
dv/riscv_compliance/rtl/ibex_riscv_compliance.sv
View file

@ -18,6 +18,8 @@ module ibex_riscv_compliance (
parameter bit PMPEnable = 1'b0;
parameter int unsigned PMPGranularity = 0;
parameter int unsigned PMPNumRegions = 4;
parameter int unsigned MHPMCounterNum = 0;
parameter int unsigned MHPMCounterWidth = 40;
parameter bit RV32E = 1'b0;
parameter ibex_pkg::rv32m_e RV32M = ibex_pkg::RV32MFast;
parameter ibex_pkg::rv32b_e RV32B = ibex_pkg::RV32BNone;
@ -29,6 +31,7 @@ module ibex_riscv_compliance (
parameter bit BranchPredictor = 1'b0;
parameter bit SecureIbex = 1'b0;
parameter bit ICacheScramble = 1'b0;
parameter bit DbgTriggerEn = 1'b0;
logic clk_sys, rst_sys_n;
@ -138,6 +141,8 @@ module ibex_riscv_compliance (
.PMPEnable (PMPEnable ),
.PMPGranularity (PMPGranularity ),
.PMPNumRegions (PMPNumRegions ),
.MHPMCounterNum (MHPMCounterNum ),
.MHPMCounterWidth (MHPMCounterWidth ),
.RV32E (RV32E ),
.RV32M (RV32M ),
.RV32B (RV32B ),
@ -147,6 +152,7 @@ module ibex_riscv_compliance (
.ICache (ICache ),
.ICacheECC (ICacheECC ),
.BranchPredictor (BranchPredictor ),
.DbgTriggerEn (DbgTriggerEn ),
.SecureIbex (SecureIbex ),
.ICacheScramble (ICacheScramble ),
.DmHaltAddr (32'h00000000 ),

10
dv/uvm/core_ibex/tb/core_ibex_tb_top.sv
View file

@ -54,6 +54,8 @@ module core_ibex_tb_top;
parameter bit PMPEnable = 1'b0;
parameter int unsigned PMPGranularity = 0;
parameter int unsigned PMPNumRegions = 4;
parameter int unsigned MHPMCounterNum = 0;
parameter int unsigned MHPMCounterWidth = 40;
parameter bit RV32E = 1'b0;
parameter ibex_pkg::rv32m_e RV32M = `IBEX_CFG_RV32M;
parameter ibex_pkg::rv32b_e RV32B = `IBEX_CFG_RV32B;
@ -65,6 +67,8 @@ module core_ibex_tb_top;
parameter bit BranchPredictor = 1'b0;
parameter bit SecureIbex = 1'b0;
parameter bit ICacheScramble = 1'b0;
parameter bit DbgTriggerEn = 1'b0;
ibex_top_tracing #(
.DmHaltAddr (32'h`BOOT_ADDR + 'h0 ),
@ -72,6 +76,8 @@ module core_ibex_tb_top;
.PMPEnable (PMPEnable ),
.PMPGranularity (PMPGranularity ),
.PMPNumRegions (PMPNumRegions ),
.MHPMCounterNum (MHPMCounterNum ),
.MHPMCounterWidth (MHPMCounterWidth ),
.RV32E (RV32E ),
.RV32M (RV32M ),
.RV32B (RV32B ),
@ -82,7 +88,9 @@ module core_ibex_tb_top;
.ICacheECC (ICacheECC ),
.SecureIbex (SecureIbex ),
.ICacheScramble (ICacheScramble ),
.BranchPredictor (BranchPredictor )
.BranchPredictor (BranchPredictor ),
.DbgTriggerEn (DbgTriggerEn )
) dut (
.clk_i (clk ),
.rst_ni (rst_n ),

21
dv/verilator/simple_system_cosim/ibex_simple_system_cosim.core
View file

@ -82,6 +82,12 @@ parameters:
default: 0
description: "Enables static branch prediction (EXPERIMENTAL)"
DbgTriggerEn:
datatype: int
default: 0
paramtype: vlogparam
description: "Enable support for debug triggers. "
PMPEnable:
datatype: int
default: 0
@ -100,6 +106,18 @@ parameters:
paramtype: vlogparam
description: "Number of PMP regions"
MHPMCounterNum:
datatype: int
paramtype: vlogparam
default: 0
description: Number of performance monitor event counters [0/29]
MHPMCounterWidth:
datatype: int
paramtype: vlogparam
default: 40
description: Bit width of performance monitor event counters [32/64]
ICacheScramble:
datatype: int
default: 0
@ -122,9 +140,12 @@ targets:
- WritebackStage
- SecureIbex
- BranchPredictor
- DbgTriggerEn
- PMPEnable
- PMPGranularity
- PMPNumRegions
- MHPMCounterNum
- MHPMCounterWidth
- ICacheScramble
- SRAMInitFile

21
examples/simple_system/ibex_simple_system.core
View file

@ -84,6 +84,12 @@ parameters:
default: 0
description: "Enables static branch prediction (EXPERIMENTAL)"
DbgTriggerEn:
datatype: int
default: 0
paramtype: vlogparam
description: "Enable support for debug triggers. "
PMPEnable:
datatype: int
default: 0
@ -102,6 +108,18 @@ parameters:
paramtype: vlogparam
description: "Number of PMP regions"
MHPMCounterNum:
datatype: int
paramtype: vlogparam
default: 0
description: Number of performance monitor event counters [0/29]
MHPMCounterWidth:
datatype: int
paramtype: vlogparam
default: 40
description: Bit width of performance monitor event counters [32/64]
targets:
default: &default_target
filesets:
@ -119,9 +137,12 @@ targets:
- WritebackStage
- SecureIbex
- BranchPredictor
- DbgTriggerEn
- PMPEnable
- PMPGranularity
- PMPNumRegions
- MHPMCounterNum
- MHPMCounterWidth
- SRAMInitFile
lint:

5
examples/simple_system/rtl/ibex_simple_system.sv
View file

@ -40,6 +40,8 @@ module ibex_simple_system (
parameter bit PMPEnable = 1'b0;
parameter int unsigned PMPGranularity = 0;
parameter int unsigned PMPNumRegions = 4;
parameter int unsigned MHPMCounterNum = 0;
parameter int unsigned MHPMCounterWidth = 40;
parameter bit RV32E = 1'b0;
parameter ibex_pkg::rv32m_e RV32M = `RV32M;
parameter ibex_pkg::rv32b_e RV32B = `RV32B;
@ -47,6 +49,7 @@ module ibex_simple_system (
parameter bit BranchTargetALU = 1'b0;
parameter bit WritebackStage = 1'b0;
parameter bit ICache = 1'b0;
parameter bit DbgTriggerEn = 1'b0;
parameter bit ICacheECC = 1'b0;
parameter bit BranchPredictor = 1'b0;
parameter SRAMInitFile = "";
@ -190,6 +193,7 @@ module ibex_simple_system (
.PMPGranularity ( PMPGranularity ),
.PMPNumRegions ( PMPNumRegions ),
.MHPMCounterNum ( 29 ),
.MHPMCounterWidth( MHPMCounterWidth ),
.RV32E ( RV32E ),
.RV32M ( RV32M ),
.RV32B ( RV32B ),
@ -199,6 +203,7 @@ module ibex_simple_system (
.ICacheECC ( ICacheECC ),
.WritebackStage ( WritebackStage ),
.BranchPredictor ( BranchPredictor ),
.DbgTriggerEn ( DbgTriggerEn ),
.DmHaltAddr ( 32'h00100000 ),
.DmExceptionAddr ( 32'h00100000 )
) u_top (

56
ibex_configs.yaml
View file

@ -16,12 +16,15 @@ small:
WritebackStage : 0
ICache : 0
ICacheECC : 0
ICacheScramble : 0
BranchPredictor : 0
DbgTriggerEn : 0
SecureIbex : 0
PMPEnable : 0
PMPGranularity : 0
PMPNumRegions : 4
SecureIbex : 0
ICacheScramble : 0
MHPMCounterNum : 0
MHPMCounterWidth : 40
# Configuration to match that used in the OpenTitan project
opentitan:
@ -33,12 +36,15 @@ opentitan:
WritebackStage : 1
ICache : 1
ICacheECC : 1
ICacheScramble : 1
BranchPredictor : 0
DbgTriggerEn : 1
SecureIbex : 1
PMPEnable : 1
PMPGranularity : 0
PMPNumRegions : 16
SecureIbex : 1
ICacheScramble : 0
MHPMCounterNum : 10
MHPMCounterWidth : 32
# ===============================
# * EXPERIMENTAL CONFIGURATIONS *
@ -56,12 +62,15 @@ experimental-maxperf:
WritebackStage : 1
ICache : 0
ICacheECC : 0
ICacheScramble : 0
BranchPredictor : 0
DbgTriggerEn : 0
SecureIbex : 0
PMPEnable : 0
PMPGranularity : 0
PMPNumRegions : 4
SecureIbex : 0
ICacheScramble : 0
MHPMCounterNum : 0
MHPMCounterWidth : 40
# experimental-maxperf config above plus PMP enabled with 16 regions.
experimental-maxperf-pmp:
@ -73,12 +82,15 @@ experimental-maxperf-pmp:
WritebackStage : 1
ICache : 0
ICacheECC : 0
ICacheScramble : 0
BranchPredictor : 0
DbgTriggerEn : 0
SecureIbex : 0
PMPEnable : 1
PMPGranularity : 0
PMPNumRegions : 16
SecureIbex : 0
ICacheScramble : 0
MHPMCounterNum : 0
MHPMCounterWidth : 40
# experimental-maxperf-pmp config above with balanced bitmanip extension
experimental-maxperf-pmp-bmbalanced:
@ -90,12 +102,15 @@ experimental-maxperf-pmp-bmbalanced:
WritebackStage : 1
ICache : 0
ICacheECC : 0
ICacheScramble : 0
BranchPredictor : 0
DbgTriggerEn : 0
SecureIbex : 0
PMPEnable : 1
PMPGranularity : 0
PMPNumRegions : 16
SecureIbex : 0
ICacheScramble : 0
MHPMCounterNum : 0
MHPMCounterWidth : 40
# experimental-maxperf-pmp config above with full bitmanip extension
experimental-maxperf-pmp-bmfull:
@ -107,12 +122,15 @@ experimental-maxperf-pmp-bmfull:
WritebackStage : 1
ICache : 0
ICacheECC : 0
ICacheScramble : 0
BranchPredictor : 0
DbgTriggerEn : 0
SecureIbex : 0
PMPEnable : 1
PMPGranularity : 0
PMPNumRegions : 16
SecureIbex : 0
ICacheScramble : 0
MHPMCounterNum : 0
MHPMCounterWidth : 40
# experimental-maxperf-pmp-bmfull config above with icache enabled
experimental-maxperf-pmp-bmfull-icache:
@ -124,12 +142,15 @@ experimental-maxperf-pmp-bmfull-icache:
WritebackStage : 1
ICache : 1
ICacheECC : 1
ICacheScramble : 0
BranchPredictor : 0
DbgTriggerEn : 0
SecureIbex : 0
PMPEnable : 1
PMPGranularity : 0
PMPNumRegions : 16
SecureIbex : 0
ICacheScramble : 0
MHPMCounterNum : 0
MHPMCounterWidth : 40
# experimental-maxperf with branch predictor switched on. This exists to allow
# easy use of Ibex with the branch predictor in particular for CI runs. The
@ -144,10 +165,13 @@ experimental-branch-predictor:
WritebackStage : 1
ICache : 0
ICacheECC : 0
ICacheScramble : 0
BranchPredictor : 1
DbgTriggerEn : 0
SecureIbex : 0
PMPEnable : 0
PMPGranularity : 0
PMPNumRegions : 4
SecureIbex : 0
ICacheScramble : 0
MHPMCounterNum : 0
MHPMCounterWidth : 40

24
ibex_core.core
View file

@ -118,12 +118,24 @@ parameters:
default: 0
description: "Enables static branch prediction (EXPERIMENTAL)"
DbgTriggerEn:
datatype: int
default: 0
paramtype: vlogparam
description: "Enable support for debug triggers. "
SecureIbex:
datatype: int
default: 0
paramtype: vlogparam
description: "Enables security hardening features (EXPERIMENTAL) [0/1]"
ICacheScramble:
datatype: int
default: 0
paramtype: vlogparam
description: "Enables ICache scrambling feature (EXPERIMENTAL) [0/1]"
PMPEnable:
datatype: int
default: 0
@ -142,6 +154,18 @@ parameters:
paramtype: vlogparam
description: "Number of PMP regions"
MHPMCounterNum:
datatype: int
paramtype: vlogparam
default: 0
description: Number of performance monitor event counters [0/29]
MHPMCounterWidth:
datatype: int
paramtype: vlogparam
default: 40
description: Bit width of performance monitor event counters [32/64]
targets:
default: &default_target
filesets:

18
ibex_top.core
View file

@ -103,6 +103,12 @@ parameters:
default: 0
description: "Enables static branch prediction (EXPERIMENTAL)"
DbgTriggerEn:
datatype: int
default: 0
paramtype: vlogparam
description: "Enable support for debug triggers. "
SecureIbex:
datatype: int
default: 0
@ -133,6 +139,18 @@ parameters:
paramtype: vlogparam
description: "Number of PMP regions"
MHPMCounterNum:
datatype: int
paramtype: vlogparam
default: 0
description: Number of performance monitor event counters [0/29]
MHPMCounterWidth:
datatype: int
paramtype: vlogparam
default: 40
description: Bit width of performance monitor event counters [32/64]
targets:
default: &default_target
filesets:

21
ibex_top_tracing.core
View file

@ -77,6 +77,12 @@ parameters:
default: 0
description: "Enables static branch prediction (EXPERIMENTAL)"
DbgTriggerEn:
datatype: int
default: 0
paramtype: vlogparam
description: "Enable support for debug triggers. "
SecureIbex:
datatype: int
default: 0
@ -107,6 +113,18 @@ parameters:
paramtype: vlogparam
description: "Number of PMP regions"
MHPMCounterNum:
datatype: int
paramtype: vlogparam
default: 0
description: Number of performance monitor event counters [0/29]
MHPMCounterWidth:
datatype: int
paramtype: vlogparam
default: 40
description: Bit width of performance monitor event counters [32/64]
targets:
default: &default_target
filesets:
@ -129,11 +147,14 @@ targets:
- BranchTargetALU
- WritebackStage
- BranchPredictor
- DbgTriggerEn
- SecureIbex
- ICacheScramble
- PMPEnable
- PMPGranularity
- PMPNumRegions
- MHPMCounterNum
- MHPMCounterWidth
default_tool: verilator
tools:
verilator:

14
util/ibex_config.py
View file

@ -29,12 +29,15 @@ class Config:
('WritebackStage', bool),
('ICache', bool),
('ICacheECC', bool),
('ICacheScramble', bool),
('BranchPredictor', bool),
('DbgTriggerEn', bool),
('SecureIbex', bool),
('PMPEnable', bool),
('PMPGranularity', int),
('PMPNumRegions', int),
('SecureIbex', bool),
('ICacheScramble', bool)
('MHPMCounterNum', int),
('MHPMCounterWidth', int)
]
def __init__(self, yml):
@ -64,12 +67,15 @@ class Config:
self.writeback_stage = Config.read_bool('WritebackStage', yml)
self.icache = Config.read_bool('ICache', yml)
self.icache_ecc = Config.read_bool('ICacheECC', yml)
self.icache_scramble = Config.read_bool('ICacheScramble', yml)
self.branch_predictor = Config.read_bool('BranchPredictor', yml)
self.dbg_trigger_en = Config.read_bool('DbgTriggerEn', yml)
self.secure_ibex = Config.read_bool('SecureIbex', yml)
self.pmp_enable = Config.read_bool('PMPEnable', yml)
self.pmp_granularity = Config.read_int('PMPGranularity', yml)
self.pmp_num_regions = Config.read_int('PMPNumRegions', yml)
self.secure_ibex = Config.read_bool('SecureIbex', yml)
self.icache_scramble = Config.read_bool('ICacheScramble', yml)
self.mhpm_counter_num = Config.read_int('MHPMCounterNum', yml)
self.mhpm_counter_width = Config.read_int('MHPMCounterWidth', yml)
@staticmethod
def read_bool(fld, yml):