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Diffstat (limited to 'hw/misc/bcm2835_property.c')
-rw-r--r--hw/misc/bcm2835_property.c33
1 files changed, 24 insertions, 9 deletions
diff --git a/hw/misc/bcm2835_property.c b/hw/misc/bcm2835_property.c
index 530411f841..34473469d4 100644
--- a/hw/misc/bcm2835_property.c
+++ b/hw/misc/bcm2835_property.c
@@ -21,6 +21,8 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value)
int n;
uint32_t offset, length, color;
uint32_t xres, yres, xoffset, yoffset, bpp, pixo, alpha;
+ uint32_t tmp_xres, tmp_yres, tmp_xoffset, tmp_yoffset;
+ uint32_t tmp_bpp, tmp_pixo, tmp_alpha;
uint32_t *newxres = NULL, *newyres = NULL, *newxoffset = NULL,
*newyoffset = NULL, *newbpp = NULL, *newpixo = NULL, *newalpha = NULL;
@@ -139,7 +141,11 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value)
case 0x00040001: /* Allocate buffer */
stl_le_phys(&s->dma_as, value + 12, s->fbdev->base);
- stl_le_phys(&s->dma_as, value + 16, s->fbdev->size);
+ tmp_xres = newxres != NULL ? *newxres : s->fbdev->xres;
+ tmp_yres = newyres != NULL ? *newyres : s->fbdev->yres;
+ tmp_bpp = newbpp != NULL ? *newbpp : s->fbdev->bpp;
+ stl_le_phys(&s->dma_as, value + 16,
+ tmp_xres * tmp_yres * tmp_bpp / 8);
resplen = 8;
break;
case 0x00048001: /* Release buffer */
@@ -150,8 +156,10 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value)
break;
case 0x00040003: /* Get display width/height */
case 0x00040004:
- stl_le_phys(&s->dma_as, value + 12, s->fbdev->xres);
- stl_le_phys(&s->dma_as, value + 16, s->fbdev->yres);
+ tmp_xres = newxres != NULL ? *newxres : s->fbdev->xres;
+ tmp_yres = newyres != NULL ? *newyres : s->fbdev->yres;
+ stl_le_phys(&s->dma_as, value + 12, tmp_xres);
+ stl_le_phys(&s->dma_as, value + 16, tmp_yres);
resplen = 8;
break;
case 0x00044003: /* Test display width/height */
@@ -167,7 +175,8 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value)
resplen = 8;
break;
case 0x00040005: /* Get depth */
- stl_le_phys(&s->dma_as, value + 12, s->fbdev->bpp);
+ tmp_bpp = newbpp != NULL ? *newbpp : s->fbdev->bpp;
+ stl_le_phys(&s->dma_as, value + 12, tmp_bpp);
resplen = 4;
break;
case 0x00044005: /* Test depth */
@@ -179,7 +188,8 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value)
resplen = 4;
break;
case 0x00040006: /* Get pixel order */
- stl_le_phys(&s->dma_as, value + 12, s->fbdev->pixo);
+ tmp_pixo = newpixo != NULL ? *newpixo : s->fbdev->pixo;
+ stl_le_phys(&s->dma_as, value + 12, tmp_pixo);
resplen = 4;
break;
case 0x00044006: /* Test pixel order */
@@ -191,7 +201,8 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value)
resplen = 4;
break;
case 0x00040007: /* Get alpha */
- stl_le_phys(&s->dma_as, value + 12, s->fbdev->alpha);
+ tmp_alpha = newalpha != NULL ? *newalpha : s->fbdev->alpha;
+ stl_le_phys(&s->dma_as, value + 12, tmp_alpha);
resplen = 4;
break;
case 0x00044007: /* Test pixel alpha */
@@ -203,12 +214,16 @@ static void bcm2835_property_mbox_push(BCM2835PropertyState *s, uint32_t value)
resplen = 4;
break;
case 0x00040008: /* Get pitch */
- stl_le_phys(&s->dma_as, value + 12, s->fbdev->pitch);
+ tmp_xres = newxres != NULL ? *newxres : s->fbdev->xres;
+ tmp_bpp = newbpp != NULL ? *newbpp : s->fbdev->bpp;
+ stl_le_phys(&s->dma_as, value + 12, tmp_xres * tmp_bpp / 8);
resplen = 4;
break;
case 0x00040009: /* Get virtual offset */
- stl_le_phys(&s->dma_as, value + 12, s->fbdev->xoffset);
- stl_le_phys(&s->dma_as, value + 16, s->fbdev->yoffset);
+ tmp_xoffset = newxoffset != NULL ? *newxoffset : s->fbdev->xoffset;
+ tmp_yoffset = newyoffset != NULL ? *newyoffset : s->fbdev->yoffset;
+ stl_le_phys(&s->dma_as, value + 12, tmp_xoffset);
+ stl_le_phys(&s->dma_as, value + 16, tmp_yoffset);
resplen = 8;
break;
case 0x00044009: /* Test virtual offset */