diff options
| author | Keith Packard <keithp@keithp.com> | 2021-01-08 22:42:56 +0000 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2021-01-18 10:05:06 +0000 |
| commit | 767ba049b8f8f8ebfebe90ecaf1b5a9cf8c865ff (patch) | |
| tree | 9e0d12258a3763b705faf79fdfc4c6fd92c0f38b /hw | |
| parent | 27e3b109d1bcf9a43888d3d3c825bda38157dfe4 (diff) | |
| download | qemu-767ba049b8f8f8ebfebe90ecaf1b5a9cf8c865ff.zip qemu-767ba049b8f8f8ebfebe90ecaf1b5a9cf8c865ff.tar.gz qemu-767ba049b8f8f8ebfebe90ecaf1b5a9cf8c865ff.tar.bz2 | |
semihosting: Implement SYS_ISERROR
Part of Semihosting for AArch32 and AArch64 Release 2.0
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210107170717.2098982-10-keithp@keithp.com>
Message-Id: <20210108224256.2321-21-alex.bennee@linaro.org>
Diffstat (limited to 'hw')
| -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 a631904..23c6e3e 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); |