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hw/arm: Set ignore_memory_transaction_failures for most ARM boards

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Set the MachineClass flag ignore_memory_transaction_failures
for almost all ARM boards. This means they retain the legacy
behaviour that accesses to unimplemented addresses will RAZ/WI
rather than aborting, when a subsequent commit adds support
for external aborts.

The exceptions are:
 * virt -- we know that guests won't try to prod devices
   that we don't describe in the device tree or ACPI tables
 * mps2 -- this board was written to use unimplemented-device
   for all the ranges with devices we don't yet handle

New boards should not set the flag, but instead be written
like the mps2.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1504626814-23124-3-git-send-email-peter.maydell@linaro.org
For the Xilinx boards:
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
This commit is contained in:
Peter Maydell 2017-09-07 13:54:54 +01:00
parent ed860129ac
commit 4672cbd7be
27 changed files with 43 additions and 0 deletions
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2
hw/arm/nseries.c
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@ -1425,6 +1425,7 @@ static void n800_class_init(ObjectClass *oc, void *data)
mc->desc = "Nokia N800 tablet aka. RX-34 (OMAP2420)";
mc->init = n800_init;
mc->default_boot_order = "";
mc->ignore_memory_transaction_failures = true;
}
static const TypeInfo n800_type = {
@ -1440,6 +1441,7 @@ static void n810_class_init(ObjectClass *oc, void *data)
mc->desc = "Nokia N810 tablet aka. RX-44 (OMAP2420)";
mc->init = n810_init;
mc->default_boot_order = "";
mc->ignore_memory_transaction_failures = true;
}
static const TypeInfo n810_type = {