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[Qemu-arm] [PATCH v2 17/26] armv7m: mpu background miss is perm fault
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From: |
Michael Davidsaver |
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Subject: |
[Qemu-arm] [PATCH v2 17/26] armv7m: mpu background miss is perm fault |
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Date: |
Wed, 2 Dec 2015 19:18:44 -0500 |
Set an appropriate FSR code when an access does
not match any MPU region, including the background/default.
---
target-arm/helper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target-arm/helper.c b/target-arm/helper.c
index da99825..e73f7a6 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -7163,7 +7163,7 @@ static bool get_phys_addr_pmsav7(CPUARMState *env,
uint32_t address,
if (cpu->pmsav7_dregion &&
(is_user || !(regime_sctlr(env, mmu_idx) & SCTLR_BR))) {
/* background fault */
- *fsr = 0;
+ *fsr = 0x00d; /* Permission fault */
qemu_log_mask(CPU_LOG_MMU, "Miss MPU\n");
return true;
--
2.1.4
[Qemu-arm] [PATCH v2 09/26] armv7m: implement CFSR, HFSR, BFAR, and MMFAR, Michael Davidsaver, 2015/12/02
[Qemu-arm] [PATCH v2 11/26] arm: gic: Remove references to NVIC, Michael Davidsaver, 2015/12/02
[Qemu-arm] [PATCH v2 10/26] armv7m: auto-clear FAULTMASK, Michael Davidsaver, 2015/12/02
[Qemu-arm] [PATCH v2 17/26] armv7m: mpu background miss is perm fault,
Michael Davidsaver <=
[Qemu-arm] [PATCH v2 21/26] armv7m: CONTROL<1> handling, Michael Davidsaver, 2015/12/02
[Qemu-arm] [PATCH v2 16/26] armv7m: add some mpu debugging prints, Michael Davidsaver, 2015/12/02
[Qemu-arm] [PATCH v2 24/26] armv7m: split armv7m_init in two parts, Michael Davidsaver, 2015/12/02
[Qemu-arm] [PATCH v2 22/26] armv7m: priority field mask, Michael Davidsaver, 2015/12/02
[Qemu-arm] [PATCH v2 25/26] armv7m: remove extra cpu_reset(), Michael Davidsaver, 2015/12/02
[Qemu-arm] [PATCH v2 15/26] armv7m: add MPU to cortex-m3 and cortex-m4, Michael Davidsaver, 2015/12/02
[Qemu-arm] [PATCH v2 14/26] armv7m: prevent unprivileged write to STIR, Michael Davidsaver, 2015/12/02
[Qemu-arm] [PATCH v2 19/26] armv7m: mpu not allowed to map exception return codes, Michael Davidsaver, 2015/12/02
[Qemu-arm] [PATCH v2 13/26] armv7m: implement CCR, Michael Davidsaver, 2015/12/02