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author | Karthik B K <karthik.bk@incoresemi.com> | 2023-11-04 15:55:21 +0530 |
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committer | Karthik B K <karthik.bk@incoresemi.com> | 2023-11-04 15:55:21 +0530 |
commit | 5bdb9d4d7e8b8e113606446fe64ab7af9c17850a (patch) | |
tree | 0601ff0361a2c515e7d3360b8b14ada81695e2bf /spike_main/spike.cc | |
parent | 5a1145742e701597eb45825855311dfad21232a6 (diff) | |
download | riscv-isa-sim-5bdb9d4d7e8b8e113606446fe64ab7af9c17850a.zip riscv-isa-sim-5bdb9d4d7e8b8e113606446fe64ab7af9c17850a.tar.gz riscv-isa-sim-5bdb9d4d7e8b8e113606446fe64ab7af9c17850a.tar.bz2 |
expose pmp granularity as a cli option.
PMP Granularity is made available as a command line option. The default
value is 4 Bytes. The value can be changed by passing the option
--pmp-granularity=<value> to spike.
Signed-off-by: Karthik B K <karthik.bk@incoresemi.com>
Diffstat (limited to 'spike_main/spike.cc')
-rw-r--r-- | spike_main/spike.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/spike_main/spike.cc b/spike_main/spike.cc index 7b28e25..8fd9104 100644 --- a/spike_main/spike.cc +++ b/spike_main/spike.cc @@ -41,6 +41,7 @@ static void help(int exit_code = 1) fprintf(stderr, " --debug-cmd=<name> Read commands from file (use with -d)\n"); fprintf(stderr, " --isa=<name> RISC-V ISA string [default %s]\n", DEFAULT_ISA); fprintf(stderr, " --pmpregions=<n> Number of PMP regions [default 16]\n"); + fprintf(stderr, " --pmpgranularity=<n> PMP Granularity in bytes [default 4]\n"); fprintf(stderr, " --priv=<m|mu|msu> RISC-V privilege modes supported [default %s]\n", DEFAULT_PRIV); fprintf(stderr, " --varch=<name> RISC-V Vector uArch string [default %s]\n", DEFAULT_VARCH); fprintf(stderr, " --pc=<address> Override ELF entry point\n"); @@ -366,6 +367,7 @@ int main(int argc, char** argv) /*default_misaligned=*/false, /*default_endianness*/endianness_little, /*default_pmpregions=*/16, + /*default_pmpgranularity=*/(1 << PMP_SHIFT), /*default_mem_layout=*/parse_mem_layout("2048"), /*default_hartids=*/std::vector<size_t>(), /*default_real_time_clint=*/false, @@ -406,6 +408,7 @@ int main(int argc, char** argv) parser.option(0, "log-cache-miss", 0, [&](const char UNUSED *s){log_cache = true;}); parser.option(0, "isa", 1, [&](const char* s){cfg.isa = s;}); parser.option(0, "pmpregions", 1, [&](const char* s){cfg.pmpregions = atoul_safe(s);}); + parser.option(0, "pmpgranularity", 1, [&](const char* s){cfg.pmpgranularity = atoul_safe(s);}); parser.option(0, "priv", 1, [&](const char* s){cfg.priv = s;}); parser.option(0, "varch", 1, [&](const char* s){cfg.varch = s;}); parser.option(0, "device", 1, device_parser); |