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[Qemu-devel] [RFC PATCH 08/21] target-arm: adjust arm_current_pl() for T


From: Sergey Fedorov
Subject: [Qemu-devel] [RFC PATCH 08/21] target-arm: adjust arm_current_pl() for TrustZone
Date: Tue, 03 Dec 2013 12:48:42 +0400

Make arm_current_pl() to return PL3 in secure privileged mode.

Signed-off-by: Sergey Fedorov <address@hidden>
---
 target-arm/cpu.h |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index a00c86f..1b03450 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -622,9 +622,11 @@ static inline int arm_current_pl(CPUARMState *env)
 {
     if ((env->uncached_cpsr & 0x1f) == ARM_CPU_MODE_USR) {
         return 0;
+    } else if (arm_is_secure(env)) {
+        return 3;
     }
-    /* We don't currently implement the Virtualization or TrustZone
-     * extensions, so PL2 and PL3 don't exist for us.
+    /* We don't currently implement the Virtualization extensions, so PL2 don't
+     * exist for us.
      */
     return 1;
 }
-- 
1.7.9.5




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