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[Qemu-devel] [PULL 08/12] target/arm: Report unsupported MPU region size
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 08/12] target/arm: Report unsupported MPU region sizes more clearly |
Date: |
Tue, 10 Apr 2018 13:17:20 +0100 |
Currently our PMSAv7 and ARMv7M MPU implementation cannot handle
MPU region sizes smaller than our TARGET_PAGE_SIZE. However we
report that in a slightly confusing way:
DRSR[3]: No support for MPU (sub)region alignment of 9 bits. Minimum is 10
The problem is not the alignment of the region, but its size;
tweak the error message to say so:
DRSR[3]: No support for MPU (sub)region size of 512 bytes. Minimum is 1024.
Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Message-id: address@hidden
---
target/arm/helper.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/target/arm/helper.c b/target/arm/helper.c
index dcb8476d9e..b14fdab140 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -9625,9 +9625,9 @@ static bool get_phys_addr_pmsav7(CPUARMState *env,
uint32_t address,
}
if (rsize < TARGET_PAGE_BITS) {
qemu_log_mask(LOG_UNIMP,
- "DRSR[%d]: No support for MPU (sub)region "
- "alignment of %" PRIu32 " bits. Minimum is %d\n",
- n, rsize, TARGET_PAGE_BITS);
+ "DRSR[%d]: No support for MPU (sub)region size
of"
+ " %" PRIu32 " bytes. Minimum is %d.\n",
+ n, (1 << rsize), TARGET_PAGE_SIZE);
continue;
}
if (srdis) {
--
2.16.2
- [Qemu-devel] [PULL 00/12] target-arm queue, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 10/12] linux-user/signal.c: Ensure AArch64 signal frame isn't too small, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 12/12] fpu: Fix rounding mode for floatN_to_uintM_round_to_zero, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 09/12] cpus.c: ensure running CPU recalculates icount deadlines on timer expiry, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 11/12] tcg: Introduce tcg_set_insn_start_param, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 01/12] hw/arm: Allow manually specified /psci node, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 08/12] target/arm: Report unsupported MPU region sizes more clearly,
Peter Maydell <=
- [Qemu-devel] [PULL 03/12] target-arm: Check undefined opcodes for SWP in A32 decoder, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 05/12] hw/sd/bcm2835_sdhost: Don't raise spurious interrupts, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 04/12] hw/sd/bcm2835_sdhost: Add tracepoints, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 07/12] hw/arm/fsl-imx: Fix introspection problem with fsl-imx6 and fsl-imx7, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 02/12] hw/arm/integratorcp: Don't do things that could be fatal in the instance_init, Peter Maydell, 2018/04/10
- [Qemu-devel] [PULL 06/12] hw/arm/allwinner-a10: Do not use nd_table in instance_init function, Peter Maydell, 2018/04/10
- Re: [Qemu-devel] [PULL 00/12] target-arm queue, Peter Maydell, 2018/04/10