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Add test for identification CSRs vs expected values

This commit is contained in:
Luke Wren 2021-12-11 13:26:59 +00:00
parent 4066e941ef
commit f64f44f7af
3 changed files with 34 additions and 0 deletions
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21
test/sim/sw_testcases/csr_id.c Normal file
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@ -0,0 +1,21 @@
#include "tb_cxxrtl_io.h"
#include "hazard3_csr.h"
// This is a new CSR for priv-1.12. Most compilers (maybe binutils?) don't know about it.
#define mconfigptr 0xf15
int main() {
// Expected value: 32'hdeadbeef, set in tb Makefile
tb_printf("mvendorid: %08x\n", read_csr(mvendorid ));
// Expected value: 27, the registered ID for Hazard3
tb_printf("marchid: %08x\n", read_csr(marchid ));
// Expected value: 32'h12345678, set in tb Makefile
tb_printf("mimpid: %08x\n", read_csr(mimpid ));
// Expected value: 0
tb_printf("mhartid: %08x\n", read_csr(mhartid ));
// Expected value: 32'h9abcdef0, set in tb Makefile
tb_printf("mconfigptr: %08x\n", read_csr(mconfigptr));
// Expected value: 40801105, RV32I + A C M X
tb_printf("misa: %08x\n", read_csr(misa ));
return 0;
}

6
test/sim/sw_testcases/csr_id.expected_output Normal file
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@ -0,0 +1,6 @@
mvendorid: deadbeef
marchid: 0000001b
mimpid: 12345678
mhartid: 00000000
mconfigptr: 9abcdef0
misa: 40801105

7
test/sim/tb_cxxrtl/Makefile
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@ -15,6 +15,10 @@ MUL_FAST := 1
MULH_FAST := 1
REDUCED_BYPASS := 0
MVENDORID_VAL := 32'hdeadbeef
MIMPID_VAL := 32'h12345678
MCONFIGPTR_VAL := 32'h9abcdef0
.PHONY: clean all
all: tb
@ -33,6 +37,9 @@ SYNTH_CMD += chparam -set REDUCED_BYPASS $(REDUCED_BYPASS) $(TOP);
SYNTH_CMD += chparam -set MULDIV_UNROLL $(MULDIV_UNROLL) $(TOP);
SYNTH_CMD += chparam -set MUL_FAST $(MUL_FAST) $(TOP);
SYNTH_CMD += chparam -set MULH_FAST $(MULH_FAST) $(TOP);
SYNTH_CMD += chparam -set MVENDORID_VAL $(MVENDORID_VAL) $(TOP);
SYNTH_CMD += chparam -set MIMPID_VAL $(MIMPID_VAL) $(TOP);
SYNTH_CMD += chparam -set MCONFIGPTR_VAL $(MCONFIGPTR_VAL) $(TOP);
SYNTH_CMD += hierarchy -top $(TOP);
SYNTH_CMD += write_cxxrtl dut.cpp