diff options
| -rw-r--r-- | hw/semihosting/arm-compat-semi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/semihosting/arm-compat-semi.c b/hw/semihosting/arm-compat-semi.c index a631904fb0..23c6e3edcb 100644 --- a/hw/semihosting/arm-compat-semi.c +++ b/hw/semihosting/arm-compat-semi.c @@ -59,6 +59,7 @@ #define TARGET_SYS_WRITE 0x05 #define TARGET_SYS_READ 0x06 #define TARGET_SYS_READC 0x07 +#define TARGET_SYS_ISERROR 0x08 #define TARGET_SYS_ISTTY 0x09 #define TARGET_SYS_SEEK 0x0a #define TARGET_SYS_FLEN 0x0c @@ -967,6 +968,9 @@ target_ulong do_common_semihosting(CPUState *cs) return guestfd_fns[gf->type].readfn(cs, gf, arg1, len); case TARGET_SYS_READC: return qemu_semihosting_console_inc(cs->env_ptr); + case TARGET_SYS_ISERROR: + GET_ARG(0); + return (target_long) arg0 < 0 ? 1 : 0; case TARGET_SYS_ISTTY: GET_ARG(0); |