diff options
Diffstat (limited to 'target-arm/helper.c')
-rw-r--r-- | target-arm/helper.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index cb83ee2008..25b15dc100 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -6573,12 +6573,19 @@ static inline bool check_for_semihosting(CPUState *cs) /* Only intercept calls from privileged modes, to provide some * semblance of security. */ - if (!semihosting_enabled() || - ((env->uncached_cpsr & CPSR_M) == ARM_CPU_MODE_USR)) { + if (cs->exception_index != EXCP_SEMIHOST && + (!semihosting_enabled() || + ((env->uncached_cpsr & CPSR_M) == ARM_CPU_MODE_USR))) { return false; } switch (cs->exception_index) { + case EXCP_SEMIHOST: + /* This is always a semihosting call; the "is this usermode" + * and "is semihosting enabled" checks have been done at + * translate time. + */ + break; case EXCP_SWI: /* Check for semihosting interrupt. */ if (env->thumb) { |