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-rw-r--r--vl.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/vl.c b/vl.c
index f1a5d66cb6..113e98e56b 100644
--- a/vl.c
+++ b/vl.c
@@ -554,6 +554,22 @@ static QemuOptsList qemu_icount_opts = {
},
};
+static QemuOptsList qemu_semihosting_config_opts = {
+ .name = "semihosting-config",
+ .implied_opt_name = "enable",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
+ .desc = {
+ {
+ .name = "enable",
+ .type = QEMU_OPT_BOOL,
+ }, {
+ .name = "target",
+ .type = QEMU_OPT_STRING,
+ },
+ { /* end of list */ }
+ },
+};
+
/**
* Get machine options
*
@@ -2812,6 +2828,7 @@ int main(int argc, char **argv, char **envp)
qemu_add_opts(&qemu_name_opts);
qemu_add_opts(&qemu_numa_opts);
qemu_add_opts(&qemu_icount_opts);
+ qemu_add_opts(&qemu_semihosting_config_opts);
runstate_init();
@@ -3623,6 +3640,37 @@ int main(int argc, char **argv, char **envp)
break;
case QEMU_OPTION_semihosting:
semihosting_enabled = 1;
+ semihosting_target = SEMIHOSTING_TARGET_AUTO;
+ break;
+ case QEMU_OPTION_semihosting_config:
+ semihosting_enabled = 1;
+ opts = qemu_opts_parse(qemu_find_opts("semihosting-config"),
+ optarg, 0);
+ if (opts != NULL) {
+ semihosting_enabled = qemu_opt_get_bool(opts, "enable",
+ true);
+ const char *target = qemu_opt_get(opts, "target");
+ if (target != NULL) {
+ if (strcmp("native", target) == 0) {
+ semihosting_target = SEMIHOSTING_TARGET_NATIVE;
+ } else if (strcmp("gdb", target) == 0) {
+ semihosting_target = SEMIHOSTING_TARGET_GDB;
+ } else if (strcmp("auto", target) == 0) {
+ semihosting_target = SEMIHOSTING_TARGET_AUTO;
+ } else {
+ fprintf(stderr, "Unsupported semihosting-config"
+ " %s\n",
+ optarg);
+ exit(1);
+ }
+ } else {
+ semihosting_target = SEMIHOSTING_TARGET_AUTO;
+ }
+ } else {
+ fprintf(stderr, "Unsupported semihosting-config %s\n",
+ optarg);
+ exit(1);
+ }
break;
case QEMU_OPTION_tdf:
fprintf(stderr, "Warning: user space PIT time drift fix "