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| author | Blue Swirl <blauwirbel@gmail.com> | 2012-01-22 16:38:21 +0000 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2012-02-04 12:45:10 +0000 |
| commit | cd7a45c95ecf2404810f3c6becb7cb83c5010ad8 (patch) | |
| tree | 49d6bedd8bf8267333293bfc5217687d3175b82c /exec-obsolete.h | |
| parent | cb437e48ab7ddd9b85843beb524904ee4b565721 (diff) | |
| download | qemu-cd7a45c95ecf2404810f3c6becb7cb83c5010ad8.zip qemu-cd7a45c95ecf2404810f3c6becb7cb83c5010ad8.tar.gz qemu-cd7a45c95ecf2404810f3c6becb7cb83c5010ad8.tar.bz2 | |
memory: change dirty getting API to take a size
Instead of each device knowing or guessing the guest page size,
just pass the desired size of dirtied memory area.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'exec-obsolete.h')
| -rw-r--r-- | exec-obsolete.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/exec-obsolete.h b/exec-obsolete.h index d2749d3..94c23d0 100644 --- a/exec-obsolete.h +++ b/exec-obsolete.h @@ -59,10 +59,21 @@ static inline int cpu_physical_memory_get_dirty_flags(ram_addr_t addr) return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS]; } -static inline int cpu_physical_memory_get_dirty(ram_addr_t addr, +static inline int cpu_physical_memory_get_dirty(ram_addr_t start, + ram_addr_t length, int dirty_flags) { - return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flags; + int ret = 0; + uint8_t *p; + ram_addr_t addr, end; + + end = TARGET_PAGE_ALIGN(start + length); + start &= TARGET_PAGE_MASK; + p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS); + for (addr = start; addr < end; addr += TARGET_PAGE_SIZE) { + ret |= *p++ & dirty_flags; + } + return ret; } static inline void cpu_physical_memory_set_dirty(ram_addr_t addr) |