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authorPeter Maydell <peter.maydell@linaro.org>2018-08-14 17:17:21 +0100
committerPeter Maydell <peter.maydell@linaro.org>2018-08-14 17:17:21 +0100
commitb8109608bc6f3337298d44ac4369bf0bc8c3a1e4 (patch)
tree26564f74554469d4910cdc15ca407110764236c8 /target
parenta9074977ef59db36f8755c79d3de97ef8f036913 (diff)
target/arm: Initialize exc_secure correctly in do_v7m_exception_exit()
In do_v7m_exception_exit(), we use the exc_secure variable to track whether the exception we're returning from is secure or non-secure. Unfortunately the statement initializing this was accidentally inside an "if (env->v7m.exception != ARMV7M_EXCP_NMI)" conditional, which meant that we were using the wrong value for NMI handlers. Move the initialization out to the right place. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20180720145647.8810-3-peter.maydell@linaro.org
Diffstat (limited to 'target')
-rw-r--r--target/arm/helper.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 1b60c8d66c..9d908f1c66 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -7052,6 +7052,7 @@ static void do_v7m_exception_exit(ARMCPU *cpu)
/* For all other purposes, treat ES as 0 (R_HXSR) */
excret &= ~R_V7M_EXCRET_ES_MASK;
}
+ exc_secure = excret & R_V7M_EXCRET_ES_MASK;
}
if (env->v7m.exception != ARMV7M_EXCP_NMI) {
@@ -7062,7 +7063,6 @@ static void do_v7m_exception_exit(ARMCPU *cpu)
* which security state's faultmask to clear. (v8M ARM ARM R_KBNF.)
*/
if (arm_feature(env, ARM_FEATURE_M_SECURITY)) {
- exc_secure = excret & R_V7M_EXCRET_ES_MASK;
if (armv7m_nvic_raw_execution_priority(env->nvic) >= 0) {
env->v7m.faultmask[exc_secure] = 0;
}