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[Qemu-devel] [PATCH 3/7] target/arm: Get PRECISERR and IBUSERR the right
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 3/7] target/arm: Get PRECISERR and IBUSERR the right way round |
Date: |
Mon, 11 Sep 2017 14:52:06 +0100 |
For a bus fault, the M profile BFSR bit PRECISERR means a bus
fault on a data access, and IBUSERR means a bus fault on an
instruction access. We had these the wrong way around; fix this.
Signed-off-by: Peter Maydell <address@hidden>
---
target/arm/helper.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 668e367..1741e0d 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6430,15 +6430,15 @@ void arm_v7m_cpu_do_interrupt(CPUState *cs)
case 0x8: /* External Abort */
switch (cs->exception_index) {
case EXCP_PREFETCH_ABORT:
- env->v7m.cfsr[M_REG_NS] |= R_V7M_CFSR_PRECISERR_MASK;
- qemu_log_mask(CPU_LOG_INT, "...with CFSR.PRECISERR\n");
+ env->v7m.cfsr[M_REG_NS] |= R_V7M_CFSR_IBUSERR_MASK;
+ qemu_log_mask(CPU_LOG_INT, "...with CFSR.IBUSERR\n");
break;
case EXCP_DATA_ABORT:
env->v7m.cfsr[M_REG_NS] |=
- (R_V7M_CFSR_IBUSERR_MASK | R_V7M_CFSR_BFARVALID_MASK);
+ (R_V7M_CFSR_PRECISERR_MASK | R_V7M_CFSR_BFARVALID_MASK);
env->v7m.bfar = env->exception.vaddress;
qemu_log_mask(CPU_LOG_INT,
- "...with CFSR.IBUSERR and BFAR 0x%x\n",
+ "...with CFSR.PRECISERR and BFAR 0x%x\n",
env->v7m.bfar);
break;
}
--
2.7.4
- [Qemu-devel] [PATCH 0/7] ARMv8M: some bugfixes and prep. cleanup, Peter Maydell, 2017/09/11
- [Qemu-devel] [PATCH 4/7] nvic: Don't apply group priority mask to negative priorities, Peter Maydell, 2017/09/11
- [Qemu-devel] [PATCH 3/7] target/arm: Get PRECISERR and IBUSERR the right way round,
Peter Maydell <=
- [Qemu-devel] [PATCH 7/7] target/arm: Rename 'type' to 'excret' in do_v7m_exception_exit(), Peter Maydell, 2017/09/11
- [Qemu-devel] [PATCH 2/7] target/arm: Clear exclusive monitor on v7M reset, exception entry/exit, Peter Maydell, 2017/09/11
- [Qemu-devel] [PATCH 6/7] target/arm: Add and use defines for EXCRET constants, Peter Maydell, 2017/09/11