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author | Anup Patel <anup.patel@wdc.com> | 2020-06-22 08:38:44 +0530 |
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committer | Anup Patel <anup@brainfault.org> | 2020-07-09 23:04:23 +0530 |
commit | 2cb19ac699b51d38fba57f4acb1ce02f06e7548f (patch) | |
tree | 5fef42799cb4cc024905ca5d0d08f79bfb3b4117 /spike_main | |
parent | 564ed97f618321b8499a3e8837c36f622ee8a893 (diff) | |
download | spike-2cb19ac699b51d38fba57f4acb1ce02f06e7548f.zip spike-2cb19ac699b51d38fba57f4acb1ce02f06e7548f.tar.gz spike-2cb19ac699b51d38fba57f4acb1ce02f06e7548f.tar.bz2 |
Add bootargs command-line option to Spike
We add bootargs command-line option to Spike which allows us to
provide custom kernel parameters to Linux and Xvisor.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Diffstat (limited to 'spike_main')
-rw-r--r-- | spike_main/spike.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/spike_main/spike.cc b/spike_main/spike.cc index d4e572c..1f5b771 100644 --- a/spike_main/spike.cc +++ b/spike_main/spike.cc @@ -51,6 +51,7 @@ static void help(int exit_code = 1) fprintf(stderr, " --dump-dts Print device tree string and exit\n"); fprintf(stderr, " --disable-dtb Don't write the device tree blob into memory\n"); fprintf(stderr, " --initrd=<path> Load kernel initrd into memory\n"); + fprintf(stderr, " --bootargs=<args> Provide custom bootargs for kernel [default: console=hvc0 earlycon=sbi]\n"); fprintf(stderr, " --real-time-clint Increment clint time at real-time rate\n"); fprintf(stderr, " --dm-progsize=<words> Progsize for the debug module [default 2]\n"); fprintf(stderr, " --dm-sba=<bits> Debug bus master supports up to " @@ -191,6 +192,7 @@ int main(int argc, char** argv) size_t nprocs = 1; size_t initrd_size; reg_t initrd_start = 0, initrd_end = 0; + const char* bootargs = NULL; reg_t start_pc = reg_t(-1); std::vector<std::pair<reg_t, mem_t*>> mems; std::vector<std::pair<reg_t, abstract_device_t*>> plugin_devices; @@ -301,6 +303,7 @@ int main(int argc, char** argv) parser.option(0, "disable-dtb", 0, [&](const char *s){dtb_enabled = false;}); parser.option(0, "dtb", 1, [&](const char *s){dtb_file = s;}); parser.option(0, "initrd", 1, [&](const char* s){initrd = s;}); + parser.option(0, "bootargs", 1, [&](const char* s){bootargs = s;}); parser.option(0, "real-time-clint", 0, [&](const char *s){real_time_clint = true;}); parser.option(0, "extlib", 1, [&](const char *s){ void *lib = dlopen(s, RTLD_NOW | RTLD_GLOBAL); @@ -351,7 +354,7 @@ int main(int argc, char** argv) } sim_t s(isa, priv, varch, nprocs, halted, real_time_clint, - initrd_start, initrd_end, start_pc, mems, plugin_devices, htif_args, + initrd_start, initrd_end, bootargs, start_pc, mems, plugin_devices, htif_args, std::move(hartids), dm_config, log_path, dtb_enabled, dtb_file); std::unique_ptr<remote_bitbang_t> remote_bitbang((remote_bitbang_t *) NULL); std::unique_ptr<jtag_dtm_t> jtag_dtm( |