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[PULL,14/17] target-arm: Check watchpoints against CPU security state

Message ID 1430148045-32400-15-git-send-email-peter.maydell@linaro.org
State New
Headers show

Commit Message

Peter Maydell April 27, 2015, 3:20 p.m. UTC 
Fix a TODO in bp_wp_matches() now that we have a function for
testing whether the CPU is currently in Secure mode or not.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
---
 target-arm/op_helper.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c
index 4a8c4e0..3df9c57 100644
--- a/target-arm/op_helper.c
+++ b/target-arm/op_helper.c
@@ -600,8 +600,10 @@  static bool bp_wp_matches(ARMCPU *cpu, int n, bool is_wp)
     CPUARMState *env = &cpu->env;
     uint64_t cr;
     int pac, hmc, ssc, wt, lbn;
-    /* TODO: check against CPU security state when we implement TrustZone */
-    bool is_secure = false;
+    /* Note that for watchpoints the check is against the CPU security
+     * state, not the S/NS attribute on the offending data access.
+     */
+    bool is_secure = arm_is_secure(env);
     int access_el = arm_current_el(env);
 
     if (is_wp) {