haraldwolff/qemu-patch-raspberry4
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ram dirty flag handling fixes

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1247 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-01-28 00:00:27 +00:00
parent 5416376efe
commit 662f3c86ec
1 changed files with 2 additions and 12 deletions
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14
hw/tcx.c
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@ -104,11 +104,7 @@ void tcx_update_display(void *opaque)
if (ts->ds->depth == 0)
return;
#ifdef LD_BYPASS_OK
page = ts->vram_offset + YOFF*MAXX;
#else
page = ts->addr + YOFF*MAXX;
#endif
y_start = -1;
page_min = 0x7fffffff;
page_max = -1;
@ -131,7 +127,7 @@ void tcx_update_display(void *opaque)
case 0:
return;
}
for(y = 0; y < YSZ; y += 4, page += TARGET_PAGE_SIZE) {
if (cpu_physical_memory_is_dirty(page)) {
if (y_start < 0)
@ -180,11 +176,7 @@ void tcx_invalidate_display(void *opaque)
int i;
for (i = 0; i < MAXX*MAXY; i += TARGET_PAGE_SIZE) {
#ifdef LD_BYPASS_OK
cpu_physical_memory_set_dirty(s->vram_offset + i);
#else
cpu_physical_memory_set_dirty(s->addr + i);
#endif
}
}
@ -224,9 +216,7 @@ 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);
#ifdef LD_BYPASS_OK
cpu_physical_memory_reset_dirty(s->vram_offset, s->vram_offset + MAXX*MAXY - 1);
#endif
cpu_physical_memory_reset_dirty(s->vram_offset, s->vram_offset + MAXX*MAXY);
}
void *tcx_init(DisplayState *ds, uint32_t addr, uint8_t *vram_base,