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i386: hvf: implement vga dirty page tracking

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This patch implements setting the tracking of dirty vga pages, using hvf's
interface to protect guest memory. It uses the MemoryListener callback
mechanism through .log_start/stop/sync

Signed-off-by: Sergio Andres Gomez Del Real <Sergio.G.DelReal@gmail.com>
Message-Id: <20170913090522.4022-13-Sergio.G.DelReal@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sergio Andres Gomez Del Real 2017-09-13 04:05:20 -05:00 • committed by Paolo Bonzini
parent d6dcc5583e
commit babfa20ca4
2 changed files with 71 additions and 7 deletions
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5
include/sysemu/hvf.h
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@ -34,11 +34,16 @@ uint32_t hvf_get_supported_cpuid(uint32_t func, uint32_t idx,
#define hvf_get_supported_cpuid(func, idx, reg) 0
#endif
/* hvf_slot flags */
#define HVF_SLOT_LOG (1 << 0)
typedef struct hvf_slot {
uint64_t start;
uint64_t size;
uint8_t *mem;
int slot_id;
uint32_t flags;
MemoryRegion *region;
} hvf_slot;
typedef struct hvf_vcpu_caps {