diff options
Diffstat (limited to 'sim/arm/armos.c')
| -rw-r--r-- | sim/arm/armos.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sim/arm/armos.c b/sim/arm/armos.c index ccf9a576e87..7c0360c51f4 100644 --- a/sim/arm/armos.c +++ b/sim/arm/armos.c @@ -553,6 +553,13 @@ ARMul_OSHandleSWI (ARMul_State * state, ARMword number) /* R0 is a reason code. */ switch (state->Reg[0]) { + case -1: + /* This can happen when a SWI is interrupted (eg receiving a + ctrl-C whilst processing SWIRead()). The SWI will complete + returning -1 in r0 to the caller. If GDB is then used to + resume the system call the reason code will now be -1. */ + return FALSE; + /* Unimplemented reason codes. */ case AngelSWI_Reason_ReadC: case AngelSWI_Reason_IsTTY: @@ -685,6 +692,13 @@ ARMul_OSHandleSWI (ARMul_State * state, ARMword number) /* These are used by the FPE code. */ break; + case -1: + /* This can happen when a SWI is interrupted (eg receiving a + ctrl-C whilst processing SWIRead()). The SWI will complete + returning -1 in r0 to the caller. If GDB is then used to + resume the system call the reason code will now be -1. */ + return FALSE; + case 0x180001: /* RedBoot's Syscall SWI in ARM mode. */ if (swi_mask & SWI_MASK_REDBOOT) { |