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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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8
hw/tcx.c
View file

@ -129,7 +129,7 @@ void tcx_update_display(void *opaque)
}
for(y = 0; y < YSZ; y += 4, page += TARGET_PAGE_SIZE) {
if (cpu_physical_memory_is_dirty(page)) {
if (cpu_physical_memory_get_dirty(page, VGA_DIRTY_FLAG)) {
if (y_start < 0)
y_start = y;
if (page < page_min)
@ -166,7 +166,8 @@ void tcx_update_display(void *opaque)
}
/* 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);
}
}
@ -216,7 +217,8 @@ static void tcx_reset(void *opaque)
memset(s->b, 0, 256);
s->r[255] = s->g[255] = s->b[255] = 255;
memset(s->vram, 0, MAXX*MAXY);
cpu_physical_memory_reset_dirty(s->vram_offset, s->vram_offset + MAXX*MAXY);
cpu_physical_memory_reset_dirty(s->vram_offset, s->vram_offset + MAXX*MAXY,
VGA_DIRTY_FLAG);
}
void *tcx_init(DisplayState *ds, uint32_t addr, uint8_t *vram_base,

11
hw/vga.c
View file

@ -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);
}