diff options
Diffstat (limited to 'gdbstub.c')
| -rw-r--r-- | gdbstub.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/gdbstub.c b/gdbstub.c index 0faca568d9..e4a1a79384 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -317,6 +317,8 @@ static GDBState *gdbserver_state; bool gdb_has_xml; +int semihosting_target = SEMIHOSTING_TARGET_AUTO; + #ifdef CONFIG_USER_ONLY /* XXX: This is not thread safe. Do we care? */ static int gdbserver_fd = -1; @@ -351,10 +353,19 @@ static enum { GDB_SYS_DISABLED, } gdb_syscall_mode; -/* If gdb is connected when the first semihosting syscall occurs then use - remote gdb syscalls. Otherwise use native file IO. */ +/* Decide if either remote gdb syscalls or native file IO should be used. */ int use_gdb_syscalls(void) { + if (semihosting_target == SEMIHOSTING_TARGET_NATIVE) { + /* -semihosting-config target=native */ + return false; + } else if (semihosting_target == SEMIHOSTING_TARGET_GDB) { + /* -semihosting-config target=gdb */ + return true; + } + + /* -semihosting-config target=auto */ + /* On the first call check if gdb is connected and remember. */ if (gdb_syscall_mode == GDB_SYS_UNKNOWN) { gdb_syscall_mode = (gdbserver_state ? GDB_SYS_ENABLED : GDB_SYS_DISABLED); |