Re: [Qemu-devel] [PATCH] Fix memory dirty getting API change fallout

[Jan Kiszka <jan.kiszka@web.de>]

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On 2012-02-04 18:39, Blue Swirl wrote:
> Fix confusion in length calculation in commit
> cd7a45c95ecf2404810f3c6becb7cb83c5010ad8.
> 
> Reported-by: Jan Kiszka <jan.kiszka@web.de>
> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
> ---
>  hw/framebuffer.c |    2 +-
>  hw/sm501.c       |    4 ++--
>  hw/vga.c         |    2 +-
>  3 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/hw/framebuffer.c b/hw/framebuffer.c
> index ea122fb..f4747cd 100644
> --- a/hw/framebuffer.c
> +++ b/hw/framebuffer.c
> @@ -87,7 +87,7 @@ void framebuffer_update_display(
>      dest += i * dest_row_pitch;
> 
>      for (; i < rows; i++) {
> -        dirty = memory_region_get_dirty(mem, addr, addr + src_width,
> +        dirty = memory_region_get_dirty(mem, addr, src_width,
>                                               DIRTY_MEMORY_VGA);
>          if (dirty || invalidate) {
>              fn(opaque, dest, src, cols, dest_col_pitch);
> diff --git a/hw/sm501.c b/hw/sm501.c
> index 94c0abf..786e076 100644
> --- a/hw/sm501.c
> +++ b/hw/sm501.c
> @@ -1327,8 +1327,8 @@ static void sm501_draw_crt(SM501State * s)
>          ram_addr_t page1 = offset + width * src_bpp - 1;
> 
>  	/* check dirty flags for each line */
> -        update = memory_region_get_dirty(&s->local_mem_region, page0, page1,
> -                                         DIRTY_MEMORY_VGA);
> +        update = memory_region_get_dirty(&s->local_mem_region, page0,
> +                                         page1 - page0, DIRTY_MEMORY_VGA);
> 
>  	/* draw line and change status */
>  	if (update) {
> diff --git a/hw/vga.c b/hw/vga.c
> index d87c4f9..d27700d 100644
> --- a/hw/vga.c
> +++ b/hw/vga.c
> @@ -1779,7 +1779,7 @@ static void vga_draw_graphic(VGACommonState *s,
> int full_update)
>          }
>          page0 = addr;
>          page1 = addr + bwidth - 1;
> -        update = memory_region_get_dirty(&s->vram, page0, page1,
> +        update = memory_region_get_dirty(&s->vram, page0, page1 - page0,
>                                           DIRTY_MEMORY_VGA);
>          /* explicit invalidation for the hardware cursor */
>          update |= (s->invalidated_y_table[y >> 5] >> (y & 0x1f)) & 1;

Nope, doesn't help yet. It's particularly bad with the SDL GUI.

Jan


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