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authorLi Qiang <liq3ea@163.com>2019-05-10 09:43:48 -0700
committerPaolo Bonzini <pbonzini@redhat.com>2019-06-03 14:03:01 +0200
commitc45eb53aabaa620c71ac567ddf4ee89802a97a70 (patch)
treeb702ed0f88038b4fde7b48a37181e2ad7f01e170 /hw/misc/edu.c
parent20fb3105ce632e70500a92d7c76e02f28c2c07d4 (diff)
edu: mmio: allow 64-bit access in read dispatch
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>
Diffstat (limited to 'hw/misc/edu.c')
-rw-r--r--hw/misc/edu.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/hw/misc/edu.c b/hw/misc/edu.c
index 65fc32b928..33de05141f 100644
--- a/hw/misc/edu.c
+++ b/hw/misc/edu.c
@@ -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;
}