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authorPeter Maydell <peter.maydell@linaro.org>2017-09-14 18:43:17 +0100
committerPeter Maydell <peter.maydell@linaro.org>2017-09-14 18:43:17 +0100
commitc6158878650c01b2c753b2ea7d0967c8fe5ca59e (patch)
tree075aa99de925b3bb67b79eb33f5bcc0af368e324
parentdc3c4c14f0f12854dbd967be3486f4db4e66d25b (diff)
downloadqemu-c6158878650c01b2c753b2ea7d0967c8fe5ca59e.zip
target/arm: Get PRECISERR and IBUSERR the right way round
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 <peter.maydell@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@xilinx.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 1505137930-13255-4-git-send-email-peter.maydell@linaro.org
-rw-r--r--target/arm/helper.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 668e3671bd..1741e0daeb 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;
}