diff options
| -rw-r--r-- | target/mips/tcg/sysemu/mips-semi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/target/mips/tcg/sysemu/mips-semi.c b/target/mips/tcg/sysemu/mips-semi.c index 5fb1ad9..85f0567 100644 --- a/target/mips/tcg/sysemu/mips-semi.c +++ b/target/mips/tcg/sysemu/mips-semi.c @@ -321,6 +321,9 @@ void mips_semihosting(CPUMIPSState *env) if (use_gdb_syscalls()) { addr = gpr[29] - str->len; p = lock_user(VERIFY_WRITE, addr, str->len, 0); + if (!p) { + report_fault(env); + } memcpy(p, str->str, str->len); unlock_user(p, addr, str->len); semihost_sys_write(cs, uhi_cb, 2, addr, str->len); |