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edu: mmio: allow 64-bit access in read dispatch

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The edu spec says when address >= 0x80, the MMIO area can
be accessed by 64-bit.

Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Message-Id: <20190510164349.81507-3-liq3ea@163.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Li Qiang 2019-05-10 09:43:48 -07:00 committed by Paolo Bonzini
parent 20fb3105ce
commit c45eb53aab
1 changed files with 5 additions and 1 deletions
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6
hw/misc/edu.c
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@ -185,7 +185,11 @@ static uint64_t edu_mmio_read(void *opaque, hwaddr addr, unsigned size)
EduState *edu = opaque;
uint64_t val = ~0ULL;
if (size != 4) {
if (addr < 0x80 && size != 4) {
return val;
}
if (addr >= 0x80 && size != 4 && size != 8) {
return val;
}