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Implement and use shared memory framebuffer device rendering reoutine.

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Use DMA mapping API.

Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6965 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2009-04-01 12:27:59 +00:00
parent 602dafcf43
commit 714fa308a3
10 changed files with 253 additions and 231 deletions
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61
hw/pl110.c
View file

@ -10,6 +10,7 @@
#include "hw.h"
#include "primecell.h"
#include "console.h"
#include "framebuffer.h"
#define PL110_CR_EN 0x001
#define PL110_CR_BGR 0x100
@ -61,8 +62,6 @@ static const unsigned char pl110_versatile_id[] =
#include "pixel_ops.h"
typedef void (*drawfn)(uint32_t *, uint8_t *, const uint8_t *, int);
#define BITS 8
#include "pl110_template.h"
#define BITS 15
@ -84,17 +83,11 @@ static void pl110_update_display(void *opaque)
pl110_state *s = (pl110_state *)opaque;
drawfn* fntable;
drawfn fn;
uint32_t *pallette;
uint32_t addr;
uint32_t base;
int dest_width;
int src_width;
uint8_t *dest;
uint8_t *src;
int first, last = 0;
int dirty, new_dirty;
int i;
int bpp_offset;
int first;
int last;
if (!pl110_enabled(s))
return;
@ -159,47 +152,17 @@ static void pl110_update_display(void *opaque)
break;
}
dest_width *= s->cols;
pallette = s->pallette;
base = s->upbase;
/* HACK: Arm aliases physical memory at 0x80000000. */
if (base > 0x80000000)
base -= 0x80000000;
src = phys_ram_base + base;
dest = ds_get_data(s->ds);
first = -1;
addr = base;
dirty = cpu_physical_memory_get_dirty(addr, VGA_DIRTY_FLAG);
new_dirty = dirty;
for (i = 0; i < s->rows; i++) {
if ((addr & ~TARGET_PAGE_MASK) + src_width >= TARGET_PAGE_SIZE) {
uint32_t tmp;
new_dirty = 0;
for (tmp = 0; tmp < src_width; tmp += TARGET_PAGE_SIZE) {
new_dirty |= cpu_physical_memory_get_dirty(addr + tmp,
VGA_DIRTY_FLAG);
}
}
if (dirty || new_dirty || s->invalidate) {
fn(pallette, dest, src, s->cols);
if (first == -1)
first = i;
last = i;
}
dirty = new_dirty;
addr += src_width;
dest += dest_width;
src += src_width;
first = 0;
framebuffer_update_display(s->ds,
s->upbase, s->cols, s->rows,
src_width, dest_width, 0,
s->invalidate,
fn, s->pallette,
&first, &last);
if (first >= 0) {
dpy_update(s->ds, 0, first, s->cols, last - first + 1);
}
if (first < 0)
return;
s->invalidate = 0;
cpu_physical_memory_reset_dirty(base + first * src_width,
base + (last + 1) * src_width,
VGA_DIRTY_FLAG);
dpy_update(s->ds, 0, first, s->cols, last - first + 1);
}
static void pl110_invalidate_display(void * opaque)