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Merge pull request #133 from eroom1966/main

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Add support for setting PMP registers + Async DV
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David Harris 2023-03-08 05:17:45 -08:00 committed by GitHub
commit 6c14d30dd7
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3 changed files with 44 additions and 19 deletions
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7
sim/imperas.ic
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@ -1,12 +1,14 @@
#--showoverrides
#--help --helpall
--traceregs
--override cpu/show_c_prefix=T
--override cpu/unaligned=F
--override cpu/ignore_non_leaf_DAU=1
--override cpu/wfi_is_nop=T
# this should be 16 not 0
--override cpu/PMP_registers=0
# Enable the Imperas instruction coverage
#-extlib refRoot/cpu/cv=imperas.com/intercept/riscvInstructionCoverage/1.0
#-override refRoot/cpu/cv/cover=basic
@ -32,9 +34,6 @@
# Store simulator output to logfile
--output imperas.log
--override cpu/PMP_registers=0
#--showoverrides
#--mpdconsole
# ignore settings of bits DAU for non leaf page table walks
--override cpu/ignore_non_leaf_DAU=1

31
testbench/common/wallyTracer.sv
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@ -98,6 +98,37 @@ module wallyTracer(rvviTrace rvvi);
if(valid) begin
// machine CSRs
// *** missing PMP and performance counters.
// PMPCFG space is 0-15 3a0 - 3af
int i, i4, i8, csrid;
logic [`XLEN-1:0] pmp;
for (i=0; i<`PMP_ENTRIES; i+=8) begin
i4 = i / 4;
i8 = (i / 8) * 8;
pmp = 0;
pmp |= testbench.dut.core.priv.priv.csr.csrm.PMPCFG_ARRAY_REGW[i8+0] << 0;
pmp |= testbench.dut.core.priv.priv.csr.csrm.PMPCFG_ARRAY_REGW[i8+1] << 8;
pmp |= testbench.dut.core.priv.priv.csr.csrm.PMPCFG_ARRAY_REGW[i8+2] << 16;
pmp |= testbench.dut.core.priv.priv.csr.csrm.PMPCFG_ARRAY_REGW[i8+3] << 24;
pmp |= testbench.dut.core.priv.priv.csr.csrm.PMPCFG_ARRAY_REGW[i8+4] << 32;
pmp |= testbench.dut.core.priv.priv.csr.csrm.PMPCFG_ARRAY_REGW[i8+5] << 40;
pmp |= testbench.dut.core.priv.priv.csr.csrm.PMPCFG_ARRAY_REGW[i8+6] << 48;
pmp |= testbench.dut.core.priv.priv.csr.csrm.PMPCFG_ARRAY_REGW[i8+7] << 56;
csrid = 12'h3A0 + i4;
//if (CSRArray[csrid] != pmp) $display("Info: %m pmpcfg%0d [%03X] %016X -> %016X", i4, csrid, CSRArray[csrid], pmp);
CSRArray[csrid] = pmp;
end
// PMPADDR space is 0-63 3b0 - 3ef
for (i=0; i<`PMP_ENTRIES; i++) begin
pmp = testbench.dut.core.priv.priv.csr.csrm.PMPADDR_ARRAY_REGW[i];
csrid = 12'h3B0 + i;
//if (CSRArray[csrid] != pmp) $display("Info: %m Change pmpaddr%0d [%03X] %016X -> %016X", i, csrid, CSRArray[csrid], pmp);
CSRArray[csrid] = pmp;
end
CSRArray[12'h300] = testbench.dut.core.priv.priv.csr.csrm.MSTATUS_REGW;
CSRArray[12'h310] = testbench.dut.core.priv.priv.csr.csrm.MSTATUSH_REGW;
CSRArray[12'h305] = testbench.dut.core.priv.priv.csr.csrm.MTVEC_REGW;

25
testbench/testbench_imperas.sv
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@ -27,7 +27,7 @@
`include "wally-config.vh"
// This is set from the commsnd line script
// This is set from the command line script
// `define USE_IMPERAS_DV
`ifdef USE_IMPERAS_DV
@ -121,10 +121,11 @@ module testbench;
end
rvviTrace #(.XLEN(`XLEN), .FLEN(`FLEN)) rvvi();
wallyTracer wallyTracer(rvvi);
`ifdef USE_IMPERAS_DV
rvviTrace #(.XLEN(`XLEN), .FLEN(`FLEN)) rvvi();
wallyTracer wallyTracer(rvvi);
trace2log idv_trace2log(rvvi);
trace2cov idv_trace2cov(rvvi);
@ -139,6 +140,7 @@ module testbench;
int PRIV_RWX = RVVI_MEMORY_PRIVILEGE_READ | RVVI_MEMORY_PRIVILEGE_WRITE | RVVI_MEMORY_PRIVILEGE_EXEC;
int PRIV_RW = RVVI_MEMORY_PRIVILEGE_READ | RVVI_MEMORY_PRIVILEGE_WRITE;
int PRIV_RX = RVVI_MEMORY_PRIVILEGE_READ | RVVI_MEMORY_PRIVILEGE_EXEC;
int PRIV_X = RVVI_MEMORY_PRIVILEGE_EXEC;
initial begin
@ -170,11 +172,12 @@ module testbench;
// pending and taken
void'(rvviRefCsrSetVolatile(0, 32'h344)); // MIP
void'(rvviRefCsrSetVolatile(0, 32'h144)); // SIP
/*
// Memory lo, hi, priv (RVVI_MEMORY_PRIVILEGE_{READ,WRITE,EXEC})
void'(rvviRefMemorySetPrivilege(56'h0, 56'h7fffffffff, 0));
if (`BOOTROM_SUPPORTED)
void'(rvviRefMemorySetPrivilege(`BOOTROM_BASE, (`BOOTROM_BASE + `BOOTROM_RANGE), PRIV_X));
void'(rvviRefMemorySetPrivilege(`BOOTROM_BASE, (`BOOTROM_BASE + `BOOTROM_RANGE), PRIV_RX));
if (`UNCORE_RAM_SUPPORTED)
void'(rvviRefMemorySetPrivilege(`UNCORE_RAM_BASE, (`UNCORE_RAM_BASE + `UNCORE_RAM_RANGE), PRIV_RWX));
if (`EXT_MEM_SUPPORTED)
@ -200,6 +203,7 @@ module testbench;
void'(rvviRefMemorySetPrivilege(`SDC_BASE, (`SDC_BASE + `SDC_RANGE), PRIV_RW));
void'(rvviRefMemorySetVolatile(`SDC_BASE, (`SDC_BASE + `SDC_RANGE)));
end
*/
if(`XLEN==32) begin
void'(rvviRefCsrSetVolatile(0, 32'hC80)); // CYCLEH
@ -210,15 +214,6 @@ module testbench;
void'(rvviRefCsrSetVolatile(0, 32'h104)); // SIE - Temporary!!!!
// These should be done in the attached client
// // Enable the trace2log module
// if ($value$plusargs("TRACE2LOG_ENABLE=%d", TRACE2LOG_ENABLE)) begin
// msgnote($sformatf("%m @ t=%0t: TRACE2LOG_ENABLE is %0d", $time, TRACE2LOG_ENABLE));
// end
//
// if ($value$plusargs("TRACE2COV_ENABLE=%d", TRACE2COV_ENABLE)) begin
// msgnote($sformatf("%m @ t=%0t: TRACE2COV_ENABLE is %0d", $time, TRACE2COV_ENABLE));
// end
end
always @(dut.core.MTimerInt) void'(rvvi.net_push("MTimerInterrupt", dut.core.MTimerInt));