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dirty flag changes

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1281 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-02-10 22:00:27 +00:00
parent d993e0260b
commit 0a962c0276
4 changed files with 57 additions and 23 deletions
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11
hw/vga.c
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@ -1454,11 +1454,13 @@ static void vga_draw_graphic(VGAState *s, int full_update)
}
page0 = s->vram_offset + (addr & TARGET_PAGE_MASK);
page1 = s->vram_offset + ((addr + bwidth - 1) & TARGET_PAGE_MASK);
update = full_update | cpu_physical_memory_is_dirty(page0) |
cpu_physical_memory_is_dirty(page1);
update = full_update |
cpu_physical_memory_get_dirty(page0, VGA_DIRTY_FLAG) |
cpu_physical_memory_get_dirty(page1, VGA_DIRTY_FLAG);
if ((page1 - page0) > TARGET_PAGE_SIZE) {
/* if wide line, can use another page */
update |= cpu_physical_memory_is_dirty(page0 + TARGET_PAGE_SIZE);
update |= cpu_physical_memory_get_dirty(page0 + TARGET_PAGE_SIZE,
VGA_DIRTY_FLAG);
}
/* explicit invalidation for the hardware cursor */
update |= (s->invalidated_y_table[y >> 5] >> (y & 0x1f)) & 1;
@ -1501,7 +1503,8 @@ static void vga_draw_graphic(VGAState *s, int full_update)
}
/* reset modified pages */
if (page_max != -1) {
cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE);
cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE,
VGA_DIRTY_FLAG);
}
memset(s->invalidated_y_table, 0, ((height + 31) >> 5) * 4);
}