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target-arm: Wire up HLT 0xf000 as the A64 semihosting instruction

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For the A64 instruction set, the semihosting call instruction
is 'HLT 0xf000'. Wire this up to call do_arm_semihosting()
if semihosting is enabled.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Christopher Covington <christopher.covington@linaro.org>
Tested-by: Christopher Covington <cov@codeaurora.org>
Message-id: 1439483745-28752-10-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2015-09-07 10:39:28 +01:00
parent 7446d35e1d
commit 8012c84ff9
5 changed files with 34 additions and 2 deletions
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3
linux-user/main.c
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@ -1052,6 +1052,9 @@ void cpu_loop(CPUARMState *env)
queue_signal(env, info.si_signo, &info);
}
break;
case EXCP_SEMIHOST:
env->xregs[0] = do_arm_semihosting(env);
break;
default:
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
trapnr);