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armv7m: Make bitband device take the address space to access

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Instead of the bitband device doing a cpu_physical_memory_read/write,
make it take a MemoryRegion which specifies where it should be
accessing, and use address_space_read/write to access the
corresponding AddressSpace.

Since this entails pretty much a rewrite, convert away from
old_mmio in the process.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-8-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2017-02-20 15:36:01 +00:00
parent 98957a94ef
commit f68d881c9b
2 changed files with 79 additions and 85 deletions
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2
include/hw/arm/armv7m.h
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@ -21,8 +21,10 @@ typedef struct {
SysBusDevice parent_obj;
/*< public >*/
AddressSpace *source_as;
MemoryRegion iomem;
uint32_t base;
MemoryRegion *source_memory;
} BitBandState;
#define TYPE_ARMV7M "armv7m"