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authorPeter Maydell <peter.maydell@linaro.org>2017-09-07 13:54:53 +0100
committerPeter Maydell <peter.maydell@linaro.org>2017-09-07 13:54:53 +0100
commitecf5e8eae8b0b5fa41f00b53d67747b42fd1b8b9 (patch)
tree56930bb977234b0836ed9e57fba0622a1facd3d3 /hw/intc/armv7m_nvic.c
parent1bc04a8880374407c4b12d82ceb8752e12ff5336 (diff)
downloadfocaccia-qemu-ecf5e8eae8b0b5fa41f00b53d67747b42fd1b8b9.tar.gz
focaccia-qemu-ecf5e8eae8b0b5fa41f00b53d67747b42fd1b8b9.zip
target/arm: Make MPU_CTRL register banked for v8M
Make the MPU_CTRL register banked if v8M security extensions are
enabled.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 1503414539-28762-16-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'hw/intc/armv7m_nvic.c')
-rw-r--r--hw/intc/armv7m_nvic.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index c3c214c22c..a4c298f9c9 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -541,7 +541,7 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
         return cpu->pmsav7_dregion << 8;
         break;
     case 0xd94: /* MPU_CTRL */
-        return cpu->env.v7m.mpu_ctrl;
+        return cpu->env.v7m.mpu_ctrl[attrs.secure];
     case 0xd98: /* MPU_RNR */
         return cpu->env.pmsav7.rnr[attrs.secure];
     case 0xd9c: /* MPU_RBAR */
@@ -720,9 +720,10 @@ static void nvic_writel(NVICState *s, uint32_t offset, uint32_t value,
             qemu_log_mask(LOG_GUEST_ERROR, "MPU_CTRL: HFNMIENA and !ENABLE is "
                           "UNPREDICTABLE\n");
         }
-        cpu->env.v7m.mpu_ctrl = value & (R_V7M_MPU_CTRL_ENABLE_MASK |
-                                         R_V7M_MPU_CTRL_HFNMIENA_MASK |
-                                         R_V7M_MPU_CTRL_PRIVDEFENA_MASK);
+        cpu->env.v7m.mpu_ctrl[attrs.secure]
+            = value & (R_V7M_MPU_CTRL_ENABLE_MASK |
+                       R_V7M_MPU_CTRL_HFNMIENA_MASK |
+                       R_V7M_MPU_CTRL_PRIVDEFENA_MASK);
         tlb_flush(CPU(cpu));
         break;
     case 0xd98: /* MPU_RNR */