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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 04/23] framebuffer: drop use of cpu_get_physical_page_desc()
cpu_get_physical_page_desc() is tied into the memory core's
innards, replace it with uses of the API.
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
hw/framebuffer.c | 30 +++++++++++++-----------------
hw/framebuffer.h | 3 +++
hw/milkymist-vgafb.c | 2 +-
hw/omap_lcdc.c | 4 +++-
hw/pl110.c | 2 +-
hw/pxa2xx_lcd.c | 10 ++++++----
6 files changed, 27 insertions(+), 24 deletions(-)
diff --git a/hw/framebuffer.c b/hw/framebuffer.c
index 56cf16e..3f4e773 100644
--- a/hw/framebuffer.c
+++ b/hw/framebuffer.c
@@ -22,6 +22,7 @@
void framebuffer_update_display(
DisplayState *ds,
+ MemoryRegion *address_space,
target_phys_addr_t base,
int cols, /* Width in pixels. */
int rows, /* Leight in pixels. */
@@ -42,27 +43,21 @@ void framebuffer_update_display(
int dirty;
int i;
ram_addr_t addr;
- ram_addr_t pd;
- ram_addr_t pd2;
+ MemoryRegionSection mem_section;
+ MemoryRegion *mem;
i = *first_row;
*first_row = -1;
src_len = src_width * rows;
cpu_physical_sync_dirty_bitmap(base, base + src_len);
- pd = cpu_get_physical_page_desc(base);
- pd2 = cpu_get_physical_page_desc(base + src_len - 1);
- /* We should reall check that this is a continuous ram region.
- Instead we just check that the first and last pages are
- both ram, and the right distance apart. */
- if ((pd & ~TARGET_PAGE_MASK) > IO_MEM_ROM
- || (pd2 & ~TARGET_PAGE_MASK) > IO_MEM_ROM) {
- return;
- }
- pd = (pd & TARGET_PAGE_MASK) + (base & ~TARGET_PAGE_MASK);
- if (((pd + src_len - 1) & TARGET_PAGE_MASK) != (pd2 & TARGET_PAGE_MASK)) {
+ mem_section = memory_region_find(address_space, base, src_len);
+ if (mem_section.size != src_len || !memory_region_is_ram(mem_section.mr)) {
return;
}
+ mem = mem_section.mr;
+ assert(mem);
+ assert(mem_section.offset_within_address_space == base);
src_base = cpu_physical_memory_map(base, &src_len, 0);
/* If we can't map the framebuffer then bail. We could try harder,
@@ -82,7 +77,7 @@ void framebuffer_update_display(
dest -= dest_row_pitch * (rows - 1);
}
first = -1;
- addr = pd;
+ addr = mem_section.offset_within_region;
addr += i * src_width;
src += i * src_width;
@@ -93,8 +88,8 @@ void framebuffer_update_display(
dirty = 0;
dirty_offset = 0;
while (addr + dirty_offset < TARGET_PAGE_ALIGN(addr + src_width)) {
- dirty |= cpu_physical_memory_get_dirty(addr + dirty_offset,
- VGA_DIRTY_FLAG);
+ dirty |= memory_region_get_dirty(mem, addr + dirty_offset,
+ DIRTY_MEMORY_VGA);
dirty_offset += TARGET_PAGE_SIZE;
}
@@ -112,7 +107,8 @@ void framebuffer_update_display(
if (first < 0) {
return;
}
- cpu_physical_memory_reset_dirty(pd, pd + src_len, VGA_DIRTY_FLAG);
+ memory_region_reset_dirty(mem, mem_section.offset_within_region, src_len,
+ DIRTY_MEMORY_VGA);
*first_row = first;
*last_row = last;
return;
diff --git a/hw/framebuffer.h b/hw/framebuffer.h
index a3a2146..527a6b8 100644
--- a/hw/framebuffer.h
+++ b/hw/framebuffer.h
@@ -1,12 +1,15 @@
#ifndef QEMU_FRAMEBUFFER_H
#define QEMU_FRAMEBUFFER_H
+#include "memory.h"
+
/* Framebuffer device helper routines. */
typedef void (*drawfn)(void *, uint8_t *, const uint8_t *, int, int);
void framebuffer_update_display(
DisplayState *ds,
+ MemoryRegion *address_space,
target_phys_addr_t base,
int cols,
int rows,
diff --git a/hw/milkymist-vgafb.c b/hw/milkymist-vgafb.c
index 01cd309..108115e 100644
--- a/hw/milkymist-vgafb.c
+++ b/hw/milkymist-vgafb.c
@@ -120,7 +120,7 @@ static void vgafb_update_display(void *opaque)
break;
}
- framebuffer_update_display(s->ds,
+ framebuffer_update_display(s->ds, sysbus_address_space(&s->busdev),
s->regs[R_BASEADDRESS] + s->fb_offset,
s->regs[R_HRES],
s->regs[R_VRES],
diff --git a/hw/omap_lcdc.c b/hw/omap_lcdc.c
index 8484f70..f265306 100644
--- a/hw/omap_lcdc.c
+++ b/hw/omap_lcdc.c
@@ -22,6 +22,7 @@
#include "framebuffer.h"
struct omap_lcd_panel_s {
+ MemoryRegion *sysmem;
MemoryRegion iomem;
qemu_irq irq;
DisplayState *state;
@@ -211,7 +212,7 @@ static void omap_update_display(void *opaque)
step = width * bpp >> 3;
linesize = ds_get_linesize(omap_lcd->state);
- framebuffer_update_display(omap_lcd->state,
+ framebuffer_update_display(omap_lcd->state, omap_lcd->sysmem,
frame_base, width, height,
step, linesize, 0,
omap_lcd->invalidate,
@@ -440,6 +441,7 @@ struct omap_lcd_panel_s *omap_lcdc_init(MemoryRegion
*sysmem,
s->irq = irq;
s->dma = dma;
+ s->sysmem = sysmem;
omap_lcdc_reset(s);
memory_region_init_io(&s->iomem, &omap_lcdc_ops, s, "omap.lcdc", 0x100);
diff --git a/hw/pl110.c b/hw/pl110.c
index cc1eb6d..303a9bc 100644
--- a/hw/pl110.c
+++ b/hw/pl110.c
@@ -229,7 +229,7 @@ static void pl110_update_display(void *opaque)
}
dest_width *= s->cols;
first = 0;
- framebuffer_update_display(s->ds,
+ framebuffer_update_display(s->ds, sysbus_address_space(&s->busdev),
s->upbase, s->cols, s->rows,
src_width, dest_width, 0,
s->invalidate,
diff --git a/hw/pxa2xx_lcd.c b/hw/pxa2xx_lcd.c
index fd23d63..5dd4ef0 100644
--- a/hw/pxa2xx_lcd.c
+++ b/hw/pxa2xx_lcd.c
@@ -30,6 +30,7 @@ struct DMAChannel {
};
struct PXA2xxLCDState {
+ MemoryRegion *sysmem;
MemoryRegion iomem;
qemu_irq irq;
int irqlevel;
@@ -681,7 +682,7 @@ static void pxa2xx_lcdc_dma0_redraw_rot0(PXA2xxLCDState *s,
dest_width = s->xres * s->dest_width;
*miny = 0;
- framebuffer_update_display(s->ds,
+ framebuffer_update_display(s->ds, s->sysmem,
addr, s->xres, s->yres,
src_width, dest_width, s->dest_width,
s->invalidated,
@@ -708,7 +709,7 @@ static void pxa2xx_lcdc_dma0_redraw_rot90(PXA2xxLCDState *s,
dest_width = s->yres * s->dest_width;
*miny = 0;
- framebuffer_update_display(s->ds,
+ framebuffer_update_display(s->ds, s->sysmem,
addr, s->xres, s->yres,
src_width, s->dest_width, -dest_width,
s->invalidated,
@@ -739,7 +740,7 @@ static void pxa2xx_lcdc_dma0_redraw_rot180(PXA2xxLCDState
*s,
dest_width = s->xres * s->dest_width;
*miny = 0;
- framebuffer_update_display(s->ds,
+ framebuffer_update_display(s->ds, s->sysmem,
addr, s->xres, s->yres,
src_width, -dest_width, -s->dest_width,
s->invalidated,
@@ -769,7 +770,7 @@ static void pxa2xx_lcdc_dma0_redraw_rot270(PXA2xxLCDState
*s,
dest_width = s->yres * s->dest_width;
*miny = 0;
- framebuffer_update_display(s->ds,
+ framebuffer_update_display(s->ds, s->sysmem,
addr, s->xres, s->yres,
src_width, -s->dest_width, dest_width,
s->invalidated,
@@ -985,6 +986,7 @@ static int pxa2xx_lcdc_post_load(void *opaque, int
version_id)
s = (PXA2xxLCDState *) g_malloc0(sizeof(PXA2xxLCDState));
s->invalidated = 1;
s->irq = irq;
+ s->sysmem = sysmem;
pxa2xx_lcdc_orientation(s, graphic_rotate);
--
1.7.7.1
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