haraldwolff/qemu-patch-raspberry4
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memory: fix dirty mask function length handling

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Fix handling of cases like start = 0xfff, length = 2.

Change length to ram_addr_t to handle larger lengths.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2012-01-22 11:00:44 +00:00
parent c5bd4f3d2d
commit 59abb06198
1 changed files with 6 additions and 5 deletions
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11
exec-obsolete.h
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@ -77,17 +77,18 @@ static inline int cpu_physical_memory_set_dirty_flags(ram_addr_t addr,
}
static inline void cpu_physical_memory_mask_dirty_range(ram_addr_t start,
int length,
ram_addr_t length,
int dirty_flags)
{
int i, mask, len;
int mask;
uint8_t *p;
ram_addr_t addr, end;
len = length >> TARGET_PAGE_BITS;
end = start + length;
mask = ~dirty_flags;
p = ram_list.phys_dirty + (start >> TARGET_PAGE_BITS);
for (i = 0; i < len; i++) {
p[i] &= mask;
for (addr = start; addr <= end; addr += TARGET_PAGE_SIZE) {
*p++ &= mask;
}
}