* [Qemu-devel] [PATCH v2 01/11] vga: Start cutting out non-32bpp conversion support
2014-09-29 9:31 [Qemu-devel] [PATCH v2 00/11] vga: cleanup and endianness patch series Gerd Hoffmann
@ 2014-09-29 9:31 ` Gerd Hoffmann
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 02/11] vga: Remove remainder of old conversion cruft Gerd Hoffmann
` (9 subsequent siblings)
10 siblings, 0 replies; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-29 9:31 UTC (permalink / raw)
To: qemu-devel; +Cc: Gerd Hoffmann, David Gibson
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Nowadays, we either share a surface with the host, or we create
a 32bpp ARGB console surface.
So we only need to draw/convert to 32bpp, enabling us to remove
all but one instance of vga_template.h inclusion (to be further
cleaned up), rgb_to_pixel_* etc...
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
---
hw/display/vga.c | 258 +++++--------------------------------------------------
1 file changed, 22 insertions(+), 236 deletions(-)
diff --git a/hw/display/vga.c b/hw/display/vga.c
index df0c010..47e5d70 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1006,81 +1006,12 @@ void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val)
}
}
-typedef void vga_draw_glyph8_func(uint8_t *d, int linesize,
- const uint8_t *font_ptr, int h,
- uint32_t fgcol, uint32_t bgcol);
-typedef void vga_draw_glyph9_func(uint8_t *d, int linesize,
- const uint8_t *font_ptr, int h,
- uint32_t fgcol, uint32_t bgcol, int dup9);
typedef void vga_draw_line_func(VGACommonState *s1, uint8_t *d,
const uint8_t *s, int width);
-#define DEPTH 8
-#include "vga_template.h"
-
-#define DEPTH 15
-#include "vga_template.h"
-
-#define BGR_FORMAT
-#define DEPTH 15
-#include "vga_template.h"
-
-#define DEPTH 16
-#include "vga_template.h"
-
-#define BGR_FORMAT
-#define DEPTH 16
-#include "vga_template.h"
-
#define DEPTH 32
#include "vga_template.h"
-#define BGR_FORMAT
-#define DEPTH 32
-#include "vga_template.h"
-
-static unsigned int rgb_to_pixel8_dup(unsigned int r, unsigned int g, unsigned b)
-{
- unsigned int col;
- col = rgb_to_pixel8(r, g, b);
- col |= col << 8;
- col |= col << 16;
- return col;
-}
-
-static unsigned int rgb_to_pixel15_dup(unsigned int r, unsigned int g, unsigned b)
-{
- unsigned int col;
- col = rgb_to_pixel15(r, g, b);
- col |= col << 16;
- return col;
-}
-
-static unsigned int rgb_to_pixel15bgr_dup(unsigned int r, unsigned int g,
- unsigned int b)
-{
- unsigned int col;
- col = rgb_to_pixel15bgr(r, g, b);
- col |= col << 16;
- return col;
-}
-
-static unsigned int rgb_to_pixel16_dup(unsigned int r, unsigned int g, unsigned b)
-{
- unsigned int col;
- col = rgb_to_pixel16(r, g, b);
- col |= col << 16;
- return col;
-}
-
-static unsigned int rgb_to_pixel16bgr_dup(unsigned int r, unsigned int g,
- unsigned int b)
-{
- unsigned int col;
- col = rgb_to_pixel16bgr(r, g, b);
- col |= col << 16;
- return col;
-}
static unsigned int rgb_to_pixel32_dup(unsigned int r, unsigned int g, unsigned b)
{
@@ -1089,13 +1020,6 @@ static unsigned int rgb_to_pixel32_dup(unsigned int r, unsigned int g, unsigned
return col;
}
-static unsigned int rgb_to_pixel32bgr_dup(unsigned int r, unsigned int g, unsigned b)
-{
- unsigned int col;
- col = rgb_to_pixel32bgr(r, g, b);
- return col;
-}
-
/* return true if the palette was modified */
static int update_palette16(VGACommonState *s)
{
@@ -1202,56 +1126,6 @@ static int update_basic_params(VGACommonState *s)
return full_update;
}
-#define NB_DEPTHS 7
-
-static inline int get_depth_index(DisplaySurface *s)
-{
- switch (surface_bits_per_pixel(s)) {
- default:
- case 8:
- return 0;
- case 15:
- return 1;
- case 16:
- return 2;
- case 32:
- if (is_surface_bgr(s)) {
- return 4;
- } else {
- return 3;
- }
- }
-}
-
-static vga_draw_glyph8_func * const vga_draw_glyph8_table[NB_DEPTHS] = {
- vga_draw_glyph8_8,
- vga_draw_glyph8_16,
- vga_draw_glyph8_16,
- vga_draw_glyph8_32,
- vga_draw_glyph8_32,
- vga_draw_glyph8_16,
- vga_draw_glyph8_16,
-};
-
-static vga_draw_glyph8_func * const vga_draw_glyph16_table[NB_DEPTHS] = {
- vga_draw_glyph16_8,
- vga_draw_glyph16_16,
- vga_draw_glyph16_16,
- vga_draw_glyph16_32,
- vga_draw_glyph16_32,
- vga_draw_glyph16_16,
- vga_draw_glyph16_16,
-};
-
-static vga_draw_glyph9_func * const vga_draw_glyph9_table[NB_DEPTHS] = {
- vga_draw_glyph9_8,
- vga_draw_glyph9_16,
- vga_draw_glyph9_16,
- vga_draw_glyph9_32,
- vga_draw_glyph9_32,
- vga_draw_glyph9_16,
- vga_draw_glyph9_16,
-};
static const uint8_t cursor_glyph[32 * 4] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
@@ -1303,18 +1177,6 @@ static void vga_get_text_resolution(VGACommonState *s, int *pwidth, int *pheight
*pcheight = cheight;
}
-typedef unsigned int rgb_to_pixel_dup_func(unsigned int r, unsigned int g, unsigned b);
-
-static rgb_to_pixel_dup_func * const rgb_to_pixel_dup_table[NB_DEPTHS] = {
- rgb_to_pixel8_dup,
- rgb_to_pixel15_dup,
- rgb_to_pixel16_dup,
- rgb_to_pixel32_dup,
- rgb_to_pixel32bgr_dup,
- rgb_to_pixel15bgr_dup,
- rgb_to_pixel16bgr_dup,
-};
-
/*
* Text mode update
* Missing:
@@ -1331,11 +1193,9 @@ static void vga_draw_text(VGACommonState *s, int full_update)
uint32_t offset, fgcol, bgcol, v, cursor_offset;
uint8_t *d1, *d, *src, *dest, *cursor_ptr;
const uint8_t *font_ptr, *font_base[2];
- int dup9, line_offset, depth_index;
+ int dup9, line_offset;
uint32_t *palette;
uint32_t *ch_attr_ptr;
- vga_draw_glyph8_func *vga_draw_glyph8;
- vga_draw_glyph9_func *vga_draw_glyph9;
int64_t now = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL);
/* compute font data address (in plane 2) */
@@ -1387,8 +1247,7 @@ static void vga_draw_text(VGACommonState *s, int full_update)
s->last_cw = cw;
full_update = 1;
}
- s->rgb_to_pixel =
- rgb_to_pixel_dup_table[get_depth_index(surface)];
+ s->rgb_to_pixel = rgb_to_pixel32_dup;
full_update |= update_palette16(s);
palette = s->last_palette;
x_incr = cw * surface_bytes_per_pixel(surface);
@@ -1422,13 +1281,6 @@ static void vga_draw_text(VGACommonState *s, int full_update)
s->cursor_visible_phase = !s->cursor_visible_phase;
}
- depth_index = get_depth_index(surface);
- if (cw == 16)
- vga_draw_glyph8 = vga_draw_glyph16_table[depth_index];
- else
- vga_draw_glyph8 = vga_draw_glyph8_table[depth_index];
- vga_draw_glyph9 = vga_draw_glyph9_table[depth_index];
-
dest = surface_data(surface);
linesize = surface_stride(surface);
ch_attr_ptr = s->last_ch_attr;
@@ -1458,17 +1310,20 @@ static void vga_draw_text(VGACommonState *s, int full_update)
font_ptr += 32 * 4 * ch;
bgcol = palette[cattr >> 4];
fgcol = palette[cattr & 0x0f];
- if (cw != 9) {
- vga_draw_glyph8(d1, linesize,
- font_ptr, cheight, fgcol, bgcol);
+ if (cw == 16) {
+ vga_draw_glyph16_32(d1, linesize,
+ font_ptr, cheight, fgcol, bgcol);
+ } else if (cw != 9) {
+ vga_draw_glyph8_32(d1, linesize,
+ font_ptr, cheight, fgcol, bgcol);
} else {
dup9 = 0;
if (ch >= 0xb0 && ch <= 0xdf &&
(s->ar[VGA_ATC_MODE] & 0x04)) {
dup9 = 1;
}
- vga_draw_glyph9(d1, linesize,
- font_ptr, cheight, fgcol, bgcol, dup9);
+ vga_draw_glyph9_32(d1, linesize,
+ font_ptr, cheight, fgcol, bgcol, dup9);
}
if (src == cursor_ptr &&
!(s->cr[VGA_CRTC_CURSOR_START] & 0x20) &&
@@ -1483,12 +1338,15 @@ static void vga_draw_text(VGACommonState *s, int full_update)
if (line_last >= line_start && line_start < cheight) {
h = line_last - line_start + 1;
d = d1 + linesize * line_start;
- if (cw != 9) {
- vga_draw_glyph8(d, linesize,
- cursor_glyph, h, fgcol, bgcol);
+ if (cw == 16) {
+ vga_draw_glyph16_32(d, linesize,
+ cursor_glyph, h, fgcol, bgcol);
+ } else if (cw != 9) {
+ vga_draw_glyph8_32(d, linesize,
+ cursor_glyph, h, fgcol, bgcol);
} else {
- vga_draw_glyph9(d, linesize,
- cursor_glyph, h, fgcol, bgcol, 1);
+ vga_draw_glyph9_32(d, linesize,
+ cursor_glyph, h, fgcol, bgcol, 1);
}
}
}
@@ -1525,86 +1383,17 @@ enum {
VGA_DRAW_LINE_NB,
};
-static vga_draw_line_func * const vga_draw_line_table[NB_DEPTHS * VGA_DRAW_LINE_NB] = {
- vga_draw_line2_8,
- vga_draw_line2_16,
- vga_draw_line2_16,
- vga_draw_line2_32,
+static vga_draw_line_func * const vga_draw_line_table[VGA_DRAW_LINE_NB] = {
vga_draw_line2_32,
- vga_draw_line2_16,
- vga_draw_line2_16,
-
- vga_draw_line2d2_8,
- vga_draw_line2d2_16,
- vga_draw_line2d2_16,
- vga_draw_line2d2_32,
vga_draw_line2d2_32,
- vga_draw_line2d2_16,
- vga_draw_line2d2_16,
-
- vga_draw_line4_8,
- vga_draw_line4_16,
- vga_draw_line4_16,
vga_draw_line4_32,
- vga_draw_line4_32,
- vga_draw_line4_16,
- vga_draw_line4_16,
-
- vga_draw_line4d2_8,
- vga_draw_line4d2_16,
- vga_draw_line4d2_16,
vga_draw_line4d2_32,
- vga_draw_line4d2_32,
- vga_draw_line4d2_16,
- vga_draw_line4d2_16,
-
- vga_draw_line8d2_8,
- vga_draw_line8d2_16,
- vga_draw_line8d2_16,
- vga_draw_line8d2_32,
vga_draw_line8d2_32,
- vga_draw_line8d2_16,
- vga_draw_line8d2_16,
-
- vga_draw_line8_8,
- vga_draw_line8_16,
- vga_draw_line8_16,
- vga_draw_line8_32,
vga_draw_line8_32,
- vga_draw_line8_16,
- vga_draw_line8_16,
-
- vga_draw_line15_8,
- vga_draw_line15_15,
- vga_draw_line15_16,
vga_draw_line15_32,
- vga_draw_line15_32bgr,
- vga_draw_line15_15bgr,
- vga_draw_line15_16bgr,
-
- vga_draw_line16_8,
- vga_draw_line16_15,
- vga_draw_line16_16,
vga_draw_line16_32,
- vga_draw_line16_32bgr,
- vga_draw_line16_15bgr,
- vga_draw_line16_16bgr,
-
- vga_draw_line24_8,
- vga_draw_line24_15,
- vga_draw_line24_16,
vga_draw_line24_32,
- vga_draw_line24_32bgr,
- vga_draw_line24_15bgr,
- vga_draw_line24_16bgr,
-
- vga_draw_line32_8,
- vga_draw_line32_15,
- vga_draw_line32_16,
vga_draw_line32_32,
- vga_draw_line32_32bgr,
- vga_draw_line32_15bgr,
- vga_draw_line32_16bgr,
};
static int vga_get_bpp(VGACommonState *s)
@@ -1753,8 +1542,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
dpy_gfx_replace_surface(s->con, surface);
}
- s->rgb_to_pixel =
- rgb_to_pixel_dup_table[get_depth_index(surface)];
+ s->rgb_to_pixel = rgb_to_pixel32_dup;
if (shift_control == 0) {
full_update |= update_palette16(s);
@@ -1803,8 +1591,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
break;
}
}
- vga_draw_line = vga_draw_line_table[v * NB_DEPTHS +
- get_depth_index(surface)];
+ vga_draw_line = vga_draw_line_table[v];
if (!is_buffer_shared(surface) && s->cursor_invalidate) {
s->cursor_invalidate(s);
@@ -1902,8 +1689,7 @@ static void vga_draw_blank(VGACommonState *s, int full_update)
if (s->last_scr_width <= 0 || s->last_scr_height <= 0)
return;
- s->rgb_to_pixel =
- rgb_to_pixel_dup_table[get_depth_index(surface)];
+ s->rgb_to_pixel = rgb_to_pixel32_dup;
if (surface_bits_per_pixel(surface) == 8) {
val = s->rgb_to_pixel(0, 0, 0);
} else {
--
1.8.3.1
^ permalink raw reply related [flat|nested] 17+ messages in thread* [Qemu-devel] [PATCH v2 02/11] vga: Remove remainder of old conversion cruft
2014-09-29 9:31 [Qemu-devel] [PATCH v2 00/11] vga: cleanup and endianness patch series Gerd Hoffmann
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 01/11] vga: Start cutting out non-32bpp conversion support Gerd Hoffmann
@ 2014-09-29 9:31 ` Gerd Hoffmann
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 03/11] vga: Separate LE and BE conversion functions Gerd Hoffmann
` (8 subsequent siblings)
10 siblings, 0 replies; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-29 9:31 UTC (permalink / raw)
To: qemu-devel; +Cc: Gerd Hoffmann, David Gibson
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
All the macros used to generate different versions of vga_template.h
are now unnecessary, take them all out and remove the _32 suffix from
most functions.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
---
hw/display/vga.c | 46 +++++-----
hw/display/vga_template.h | 227 +++++++++++++++-------------------------------
2 files changed, 95 insertions(+), 178 deletions(-)
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 47e5d70..721309f 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1009,10 +1009,8 @@ void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val)
typedef void vga_draw_line_func(VGACommonState *s1, uint8_t *d,
const uint8_t *s, int width);
-#define DEPTH 32
#include "vga_template.h"
-
static unsigned int rgb_to_pixel32_dup(unsigned int r, unsigned int g, unsigned b)
{
unsigned int col;
@@ -1311,19 +1309,19 @@ static void vga_draw_text(VGACommonState *s, int full_update)
bgcol = palette[cattr >> 4];
fgcol = palette[cattr & 0x0f];
if (cw == 16) {
- vga_draw_glyph16_32(d1, linesize,
- font_ptr, cheight, fgcol, bgcol);
+ vga_draw_glyph16(d1, linesize,
+ font_ptr, cheight, fgcol, bgcol);
} else if (cw != 9) {
- vga_draw_glyph8_32(d1, linesize,
- font_ptr, cheight, fgcol, bgcol);
+ vga_draw_glyph8(d1, linesize,
+ font_ptr, cheight, fgcol, bgcol);
} else {
dup9 = 0;
if (ch >= 0xb0 && ch <= 0xdf &&
(s->ar[VGA_ATC_MODE] & 0x04)) {
dup9 = 1;
}
- vga_draw_glyph9_32(d1, linesize,
- font_ptr, cheight, fgcol, bgcol, dup9);
+ vga_draw_glyph9(d1, linesize,
+ font_ptr, cheight, fgcol, bgcol, dup9);
}
if (src == cursor_ptr &&
!(s->cr[VGA_CRTC_CURSOR_START] & 0x20) &&
@@ -1339,14 +1337,14 @@ static void vga_draw_text(VGACommonState *s, int full_update)
h = line_last - line_start + 1;
d = d1 + linesize * line_start;
if (cw == 16) {
- vga_draw_glyph16_32(d, linesize,
- cursor_glyph, h, fgcol, bgcol);
+ vga_draw_glyph16(d, linesize,
+ cursor_glyph, h, fgcol, bgcol);
} else if (cw != 9) {
- vga_draw_glyph8_32(d, linesize,
- cursor_glyph, h, fgcol, bgcol);
+ vga_draw_glyph8(d, linesize,
+ cursor_glyph, h, fgcol, bgcol);
} else {
- vga_draw_glyph9_32(d, linesize,
- cursor_glyph, h, fgcol, bgcol, 1);
+ vga_draw_glyph9(d, linesize,
+ cursor_glyph, h, fgcol, bgcol, 1);
}
}
}
@@ -1384,16 +1382,16 @@ enum {
};
static vga_draw_line_func * const vga_draw_line_table[VGA_DRAW_LINE_NB] = {
- vga_draw_line2_32,
- vga_draw_line2d2_32,
- vga_draw_line4_32,
- vga_draw_line4d2_32,
- vga_draw_line8d2_32,
- vga_draw_line8_32,
- vga_draw_line15_32,
- vga_draw_line16_32,
- vga_draw_line24_32,
- vga_draw_line32_32,
+ vga_draw_line2,
+ vga_draw_line2d2,
+ vga_draw_line4,
+ vga_draw_line4d2,
+ vga_draw_line8d2,
+ vga_draw_line8,
+ vga_draw_line15,
+ vga_draw_line16,
+ vga_draw_line24,
+ vga_draw_line32,
};
static int vga_get_bpp(VGACommonState *s)
diff --git a/hw/display/vga_template.h b/hw/display/vga_template.h
index 90ec9c2..0660b52 100644
--- a/hw/display/vga_template.h
+++ b/hw/display/vga_template.h
@@ -22,41 +22,9 @@
* THE SOFTWARE.
*/
-#if DEPTH == 8
-#define BPP 1
-#define PIXEL_TYPE uint8_t
-#elif DEPTH == 15 || DEPTH == 16
-#define BPP 2
-#define PIXEL_TYPE uint16_t
-#elif DEPTH == 32
-#define BPP 4
-#define PIXEL_TYPE uint32_t
-#else
-#error unsupport depth
-#endif
-
-#ifdef BGR_FORMAT
-#define PIXEL_NAME glue(DEPTH, bgr)
-#else
-#define PIXEL_NAME DEPTH
-#endif /* BGR_FORMAT */
-
-#if DEPTH != 15 && !defined(BGR_FORMAT)
-
-static inline void glue(vga_draw_glyph_line_, DEPTH)(uint8_t *d,
- uint32_t font_data,
- uint32_t xorcol,
- uint32_t bgcol)
+static inline void vga_draw_glyph_line(uint8_t *d, uint32_t font_data,
+ uint32_t xorcol, uint32_t bgcol)
{
-#if BPP == 1
- ((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol;
- ((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
-#elif BPP == 2
- ((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol;
- ((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol;
- ((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol;
- ((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
-#else
((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
@@ -65,25 +33,24 @@ static inline void glue(vga_draw_glyph_line_, DEPTH)(uint8_t *d,
((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
-#endif
}
-static void glue(vga_draw_glyph8_, DEPTH)(uint8_t *d, int linesize,
- const uint8_t *font_ptr, int h,
- uint32_t fgcol, uint32_t bgcol)
+static void vga_draw_glyph8(uint8_t *d, int linesize,
+ const uint8_t *font_ptr, int h,
+ uint32_t fgcol, uint32_t bgcol)
{
uint32_t font_data, xorcol;
xorcol = bgcol ^ fgcol;
do {
font_data = font_ptr[0];
- glue(vga_draw_glyph_line_, DEPTH)(d, font_data, xorcol, bgcol);
+ vga_draw_glyph_line(d, font_data, xorcol, bgcol);
font_ptr += 4;
d += linesize;
} while (--h);
}
-static void glue(vga_draw_glyph16_, DEPTH)(uint8_t *d, int linesize,
+static void vga_draw_glyph16(uint8_t *d, int linesize,
const uint8_t *font_ptr, int h,
uint32_t fgcol, uint32_t bgcol)
{
@@ -92,48 +59,24 @@ static void glue(vga_draw_glyph16_, DEPTH)(uint8_t *d, int linesize,
xorcol = bgcol ^ fgcol;
do {
font_data = font_ptr[0];
- glue(vga_draw_glyph_line_, DEPTH)(d,
- expand4to8[font_data >> 4],
- xorcol, bgcol);
- glue(vga_draw_glyph_line_, DEPTH)(d + 8 * BPP,
- expand4to8[font_data & 0x0f],
- xorcol, bgcol);
+ vga_draw_glyph_line(d, expand4to8[font_data >> 4],
+ xorcol, bgcol);
+ vga_draw_glyph_line(d + 32, expand4to8[font_data & 0x0f],
+ xorcol, bgcol);
font_ptr += 4;
d += linesize;
} while (--h);
}
-static void glue(vga_draw_glyph9_, DEPTH)(uint8_t *d, int linesize,
- const uint8_t *font_ptr, int h,
- uint32_t fgcol, uint32_t bgcol, int dup9)
+static void vga_draw_glyph9(uint8_t *d, int linesize,
+ const uint8_t *font_ptr, int h,
+ uint32_t fgcol, uint32_t bgcol, int dup9)
{
uint32_t font_data, xorcol, v;
xorcol = bgcol ^ fgcol;
do {
font_data = font_ptr[0];
-#if BPP == 1
- stl_p((uint32_t *)d, (dmask16[(font_data >> 4)] & xorcol) ^ bgcol);
- v = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
- stl_p(((uint32_t *)d)+1, v);
- if (dup9)
- ((uint8_t *)d)[8] = v >> (24 * (1 - BIG));
- else
- ((uint8_t *)d)[8] = bgcol;
-
-#elif BPP == 2
- stl_p(((uint32_t *)d)+0, (dmask4[(font_data >> 6)] & xorcol) ^ bgcol);
- stl_p(((uint32_t *)d)+1,
- (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol);
- stl_p(((uint32_t *)d)+2,
- (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol);
- v = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
- stl_p(((uint32_t *)d)+3, v);
- if (dup9)
- ((uint16_t *)d)[8] = v >> (16 * (1 - BIG));
- else
- ((uint16_t *)d)[8] = bgcol;
-#else
((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
@@ -147,7 +90,6 @@ static void glue(vga_draw_glyph9_, DEPTH)(uint8_t *d, int linesize,
((uint32_t *)d)[8] = v;
else
((uint32_t *)d)[8] = bgcol;
-#endif
font_ptr += 4;
d += linesize;
} while (--h);
@@ -156,8 +98,8 @@ static void glue(vga_draw_glyph9_, DEPTH)(uint8_t *d, int linesize,
/*
* 4 color mode
*/
-static void glue(vga_draw_line2_, DEPTH)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line2(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
uint32_t plane_mask, *palette, data, v;
int x;
@@ -170,36 +112,30 @@ static void glue(vga_draw_line2_, DEPTH)(VGACommonState *s1, uint8_t *d,
data &= plane_mask;
v = expand2[GET_PLANE(data, 0)];
v |= expand2[GET_PLANE(data, 2)] << 2;
- ((PIXEL_TYPE *)d)[0] = palette[v >> 12];
- ((PIXEL_TYPE *)d)[1] = palette[(v >> 8) & 0xf];
- ((PIXEL_TYPE *)d)[2] = palette[(v >> 4) & 0xf];
- ((PIXEL_TYPE *)d)[3] = palette[(v >> 0) & 0xf];
+ ((uint32_t *)d)[0] = palette[v >> 12];
+ ((uint32_t *)d)[1] = palette[(v >> 8) & 0xf];
+ ((uint32_t *)d)[2] = palette[(v >> 4) & 0xf];
+ ((uint32_t *)d)[3] = palette[(v >> 0) & 0xf];
v = expand2[GET_PLANE(data, 1)];
v |= expand2[GET_PLANE(data, 3)] << 2;
- ((PIXEL_TYPE *)d)[4] = palette[v >> 12];
- ((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf];
- ((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf];
- ((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf];
- d += BPP * 8;
+ ((uint32_t *)d)[4] = palette[v >> 12];
+ ((uint32_t *)d)[5] = palette[(v >> 8) & 0xf];
+ ((uint32_t *)d)[6] = palette[(v >> 4) & 0xf];
+ ((uint32_t *)d)[7] = palette[(v >> 0) & 0xf];
+ d += 32;
s += 4;
}
}
-#if BPP == 1
-#define PUT_PIXEL2(d, n, v) ((uint16_t *)d)[(n)] = (v)
-#elif BPP == 2
-#define PUT_PIXEL2(d, n, v) ((uint32_t *)d)[(n)] = (v)
-#else
#define PUT_PIXEL2(d, n, v) \
((uint32_t *)d)[2*(n)] = ((uint32_t *)d)[2*(n)+1] = (v)
-#endif
/*
* 4 color mode, dup2 horizontal
*/
-static void glue(vga_draw_line2d2_, DEPTH)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line2d2(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
uint32_t plane_mask, *palette, data, v;
int x;
@@ -223,7 +159,7 @@ static void glue(vga_draw_line2d2_, DEPTH)(VGACommonState *s1, uint8_t *d,
PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
- d += BPP * 16;
+ d += 64;
s += 4;
}
}
@@ -231,8 +167,8 @@ static void glue(vga_draw_line2d2_, DEPTH)(VGACommonState *s1, uint8_t *d,
/*
* 16 color mode
*/
-static void glue(vga_draw_line4_, DEPTH)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line4(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
uint32_t plane_mask, data, v, *palette;
int x;
@@ -247,15 +183,15 @@ static void glue(vga_draw_line4_, DEPTH)(VGACommonState *s1, uint8_t *d,
v |= expand4[GET_PLANE(data, 1)] << 1;
v |= expand4[GET_PLANE(data, 2)] << 2;
v |= expand4[GET_PLANE(data, 3)] << 3;
- ((PIXEL_TYPE *)d)[0] = palette[v >> 28];
- ((PIXEL_TYPE *)d)[1] = palette[(v >> 24) & 0xf];
- ((PIXEL_TYPE *)d)[2] = palette[(v >> 20) & 0xf];
- ((PIXEL_TYPE *)d)[3] = palette[(v >> 16) & 0xf];
- ((PIXEL_TYPE *)d)[4] = palette[(v >> 12) & 0xf];
- ((PIXEL_TYPE *)d)[5] = palette[(v >> 8) & 0xf];
- ((PIXEL_TYPE *)d)[6] = palette[(v >> 4) & 0xf];
- ((PIXEL_TYPE *)d)[7] = palette[(v >> 0) & 0xf];
- d += BPP * 8;
+ ((uint32_t *)d)[0] = palette[v >> 28];
+ ((uint32_t *)d)[1] = palette[(v >> 24) & 0xf];
+ ((uint32_t *)d)[2] = palette[(v >> 20) & 0xf];
+ ((uint32_t *)d)[3] = palette[(v >> 16) & 0xf];
+ ((uint32_t *)d)[4] = palette[(v >> 12) & 0xf];
+ ((uint32_t *)d)[5] = palette[(v >> 8) & 0xf];
+ ((uint32_t *)d)[6] = palette[(v >> 4) & 0xf];
+ ((uint32_t *)d)[7] = palette[(v >> 0) & 0xf];
+ d += 32;
s += 4;
}
}
@@ -263,8 +199,8 @@ static void glue(vga_draw_line4_, DEPTH)(VGACommonState *s1, uint8_t *d,
/*
* 16 color mode, dup2 horizontal
*/
-static void glue(vga_draw_line4d2_, DEPTH)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line4d2(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
uint32_t plane_mask, data, v, *palette;
int x;
@@ -287,7 +223,7 @@ static void glue(vga_draw_line4d2_, DEPTH)(VGACommonState *s1, uint8_t *d,
PUT_PIXEL2(d, 5, palette[(v >> 8) & 0xf]);
PUT_PIXEL2(d, 6, palette[(v >> 4) & 0xf]);
PUT_PIXEL2(d, 7, palette[(v >> 0) & 0xf]);
- d += BPP * 16;
+ d += 64;
s += 4;
}
}
@@ -297,8 +233,8 @@ static void glue(vga_draw_line4d2_, DEPTH)(VGACommonState *s1, uint8_t *d,
*
* XXX: add plane_mask support (never used in standard VGA modes)
*/
-static void glue(vga_draw_line8d2_, DEPTH)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line8d2(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
uint32_t *palette;
int x;
@@ -310,7 +246,7 @@ static void glue(vga_draw_line8d2_, DEPTH)(VGACommonState *s1, uint8_t *d,
PUT_PIXEL2(d, 1, palette[s[1]]);
PUT_PIXEL2(d, 2, palette[s[2]]);
PUT_PIXEL2(d, 3, palette[s[3]]);
- d += BPP * 8;
+ d += 32;
s += 4;
}
}
@@ -320,8 +256,8 @@ static void glue(vga_draw_line8d2_, DEPTH)(VGACommonState *s1, uint8_t *d,
*
* XXX: add plane_mask support (never used in standard VGA modes)
*/
-static void glue(vga_draw_line8_, DEPTH)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line8(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
uint32_t *palette;
int x;
@@ -329,33 +265,28 @@ static void glue(vga_draw_line8_, DEPTH)(VGACommonState *s1, uint8_t *d,
palette = s1->last_palette;
width >>= 3;
for(x = 0; x < width; x++) {
- ((PIXEL_TYPE *)d)[0] = palette[s[0]];
- ((PIXEL_TYPE *)d)[1] = palette[s[1]];
- ((PIXEL_TYPE *)d)[2] = palette[s[2]];
- ((PIXEL_TYPE *)d)[3] = palette[s[3]];
- ((PIXEL_TYPE *)d)[4] = palette[s[4]];
- ((PIXEL_TYPE *)d)[5] = palette[s[5]];
- ((PIXEL_TYPE *)d)[6] = palette[s[6]];
- ((PIXEL_TYPE *)d)[7] = palette[s[7]];
- d += BPP * 8;
+ ((uint32_t *)d)[0] = palette[s[0]];
+ ((uint32_t *)d)[1] = palette[s[1]];
+ ((uint32_t *)d)[2] = palette[s[2]];
+ ((uint32_t *)d)[3] = palette[s[3]];
+ ((uint32_t *)d)[4] = palette[s[4]];
+ ((uint32_t *)d)[5] = palette[s[5]];
+ ((uint32_t *)d)[6] = palette[s[6]];
+ ((uint32_t *)d)[7] = palette[s[7]];
+ d += 32;
s += 8;
}
}
-#endif /* DEPTH != 15 */
-
/* XXX: optimize */
/*
* 15 bit color
*/
-static void glue(vga_draw_line15_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line15(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
-#if DEPTH == 15 && defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
- memcpy(d, s, width * 2);
-#else
int w;
uint32_t v, r, g, b;
@@ -365,22 +296,18 @@ static void glue(vga_draw_line15_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d,
r = (v >> 7) & 0xf8;
g = (v >> 2) & 0xf8;
b = (v << 3) & 0xf8;
- ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
+ ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
s += 2;
- d += BPP;
+ d += 4;
} while (--w != 0);
-#endif
}
/*
* 16 bit color
*/
-static void glue(vga_draw_line16_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line16(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
-#if DEPTH == 16 && defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
- memcpy(d, s, width * 2);
-#else
int w;
uint32_t v, r, g, b;
@@ -390,18 +317,17 @@ static void glue(vga_draw_line16_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d,
r = (v >> 8) & 0xf8;
g = (v >> 3) & 0xfc;
b = (v << 3) & 0xf8;
- ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
+ ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
s += 2;
- d += BPP;
+ d += 4;
} while (--w != 0);
-#endif
}
/*
* 24 bit color
*/
-static void glue(vga_draw_line24_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line24(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
int w;
uint32_t r, g, b;
@@ -417,19 +343,19 @@ static void glue(vga_draw_line24_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d,
g = s[1];
r = s[2];
#endif
- ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
+ ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
s += 3;
- d += BPP;
+ d += 4;
} while (--w != 0);
}
/*
* 32 bit color
*/
-static void glue(vga_draw_line32_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line32(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
-#if DEPTH == 32 && defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN) && !defined(BGR_FORMAT)
+#if defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
memcpy(d, s, width * 4);
#else
int w;
@@ -446,16 +372,9 @@ static void glue(vga_draw_line32_, PIXEL_NAME)(VGACommonState *s1, uint8_t *d,
g = s[1];
r = s[2];
#endif
- ((PIXEL_TYPE *)d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
+ ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
s += 4;
- d += BPP;
+ d += 4;
} while (--w != 0);
#endif
}
-
-#undef PUT_PIXEL2
-#undef DEPTH
-#undef BPP
-#undef PIXEL_TYPE
-#undef PIXEL_NAME
-#undef BGR_FORMAT
--
1.8.3.1
^ permalink raw reply related [flat|nested] 17+ messages in thread* [Qemu-devel] [PATCH v2 03/11] vga: Separate LE and BE conversion functions
2014-09-29 9:31 [Qemu-devel] [PATCH v2 00/11] vga: cleanup and endianness patch series Gerd Hoffmann
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 01/11] vga: Start cutting out non-32bpp conversion support Gerd Hoffmann
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 02/11] vga: Remove remainder of old conversion cruft Gerd Hoffmann
@ 2014-09-29 9:31 ` Gerd Hoffmann
2014-09-30 0:43 ` David Gibson
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 04/11] vga: Remove rgb_to_pixel indirection Gerd Hoffmann
` (7 subsequent siblings)
10 siblings, 1 reply; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-29 9:31 UTC (permalink / raw)
To: qemu-devel; +Cc: Gerd Hoffmann, David Gibson
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Provide different functions for converting from an LE vs a BE
framebuffer. We cannot rely on the simple cases always being
shared surfaces since cirrus will need to always shadow for
cursor emulation, so we need the full set of functions to
be able to later handle runtime switching.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>\
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
hw/display/vga.c | 43 +++++++++++-------
hw/display/vga_template.h | 109 +++++++++++++++++++++++++++++++++++-----------
2 files changed, 112 insertions(+), 40 deletions(-)
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 721309f..451c354 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1374,10 +1374,14 @@ enum {
VGA_DRAW_LINE4D2,
VGA_DRAW_LINE8D2,
VGA_DRAW_LINE8,
- VGA_DRAW_LINE15,
- VGA_DRAW_LINE16,
- VGA_DRAW_LINE24,
- VGA_DRAW_LINE32,
+ VGA_DRAW_LINE15_LE,
+ VGA_DRAW_LINE16_LE,
+ VGA_DRAW_LINE24_LE,
+ VGA_DRAW_LINE32_LE,
+ VGA_DRAW_LINE15_BE,
+ VGA_DRAW_LINE16_BE,
+ VGA_DRAW_LINE24_BE,
+ VGA_DRAW_LINE32_BE,
VGA_DRAW_LINE_NB,
};
@@ -1388,10 +1392,14 @@ static vga_draw_line_func * const vga_draw_line_table[VGA_DRAW_LINE_NB] = {
vga_draw_line4d2,
vga_draw_line8d2,
vga_draw_line8,
- vga_draw_line15,
- vga_draw_line16,
- vga_draw_line24,
- vga_draw_line32,
+ vga_draw_line15_le,
+ vga_draw_line16_le,
+ vga_draw_line24_le,
+ vga_draw_line32_le,
+ vga_draw_line15_be,
+ vga_draw_line16_be,
+ vga_draw_line24_be,
+ vga_draw_line32_be,
};
static int vga_get_bpp(VGACommonState *s)
@@ -1464,10 +1472,15 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
uint8_t *d;
uint32_t v, addr1, addr;
vga_draw_line_func *vga_draw_line;
-#if defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
- static const bool byteswap = false;
+#if defined(TARGET_WORDS_BIGENDIAN)
+ static const bool big_endian_fb = true;
#else
- static const bool byteswap = true;
+ static const bool big_endian_fb = false;
+#endif
+#if defined(HOST_WORDS_BIGENDIAN)
+ static const bool byteswap = !big_endian_fb;
+#else
+ static const bool byteswap = big_endian_fb;
#endif
full_update |= update_basic_params(s);
@@ -1572,19 +1585,19 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
bits = 8;
break;
case 15:
- v = VGA_DRAW_LINE15;
+ v = big_endian_fb ? VGA_DRAW_LINE15_BE : VGA_DRAW_LINE15_LE;
bits = 16;
break;
case 16:
- v = VGA_DRAW_LINE16;
+ v = big_endian_fb ? VGA_DRAW_LINE16_BE : VGA_DRAW_LINE16_LE;
bits = 16;
break;
case 24:
- v = VGA_DRAW_LINE24;
+ v = big_endian_fb ? VGA_DRAW_LINE24_BE : VGA_DRAW_LINE24_LE;
bits = 24;
break;
case 32:
- v = VGA_DRAW_LINE32;
+ v = big_endian_fb ? VGA_DRAW_LINE32_BE : VGA_DRAW_LINE32_LE;
bits = 32;
break;
}
diff --git a/hw/display/vga_template.h b/hw/display/vga_template.h
index 0660b52..94f6de2 100644
--- a/hw/display/vga_template.h
+++ b/hw/display/vga_template.h
@@ -278,21 +278,36 @@ static void vga_draw_line8(VGACommonState *s1, uint8_t *d,
}
}
-
-/* XXX: optimize */
-
/*
* 15 bit color
*/
-static void vga_draw_line15(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line15_le(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
int w;
uint32_t v, r, g, b;
w = width;
do {
- v = lduw_p((void *)s);
+ v = lduw_le_p((void *)s);
+ r = (v >> 7) & 0xf8;
+ g = (v >> 2) & 0xf8;
+ b = (v << 3) & 0xf8;
+ ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
+ s += 2;
+ d += 4;
+ } while (--w != 0);
+}
+
+static void vga_draw_line15_be(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
+{
+ int w;
+ uint32_t v, r, g, b;
+
+ w = width;
+ do {
+ v = lduw_be_p((void *)s);
r = (v >> 7) & 0xf8;
g = (v >> 2) & 0xf8;
b = (v << 3) & 0xf8;
@@ -305,15 +320,33 @@ static void vga_draw_line15(VGACommonState *s1, uint8_t *d,
/*
* 16 bit color
*/
-static void vga_draw_line16(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line16_le(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
int w;
uint32_t v, r, g, b;
w = width;
do {
- v = lduw_p((void *)s);
+ v = lduw_le_p((void *)s);
+ r = (v >> 8) & 0xf8;
+ g = (v >> 3) & 0xfc;
+ b = (v << 3) & 0xf8;
+ ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
+ s += 2;
+ d += 4;
+ } while (--w != 0);
+}
+
+static void vga_draw_line16_be(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
+{
+ int w;
+ uint32_t v, r, g, b;
+
+ w = width;
+ do {
+ v = lduw_be_p((void *)s);
r = (v >> 8) & 0xf8;
g = (v >> 3) & 0xfc;
b = (v << 3) & 0xf8;
@@ -326,23 +359,34 @@ static void vga_draw_line16(VGACommonState *s1, uint8_t *d,
/*
* 24 bit color
*/
-static void vga_draw_line24(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line24_le(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
int w;
uint32_t r, g, b;
w = width;
do {
-#if defined(TARGET_WORDS_BIGENDIAN)
- r = s[0];
- g = s[1];
- b = s[2];
-#else
b = s[0];
g = s[1];
r = s[2];
-#endif
+ ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
+ s += 3;
+ d += 4;
+ } while (--w != 0);
+}
+
+static void vga_draw_line24_be(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
+{
+ int w;
+ uint32_t r, g, b;
+
+ w = width;
+ do {
+ r = s[0];
+ g = s[1];
+ b = s[2];
((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
s += 3;
d += 4;
@@ -352,10 +396,10 @@ static void vga_draw_line24(VGACommonState *s1, uint8_t *d,
/*
* 32 bit color
*/
-static void vga_draw_line32(VGACommonState *s1, uint8_t *d,
- const uint8_t *s, int width)
+static void vga_draw_line32_le(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
{
-#if defined(HOST_WORDS_BIGENDIAN) == defined(TARGET_WORDS_BIGENDIAN)
+#ifndef HOST_WORDS_BIGENDIAN
memcpy(d, s, width * 4);
#else
int w;
@@ -363,15 +407,30 @@ static void vga_draw_line32(VGACommonState *s1, uint8_t *d,
w = width;
do {
-#if defined(TARGET_WORDS_BIGENDIAN)
- r = s[1];
- g = s[2];
- b = s[3];
-#else
b = s[0];
g = s[1];
r = s[2];
+ ((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
+ s += 4;
+ d += 4;
+ } while (--w != 0);
#endif
+}
+
+static void vga_draw_line32_be(VGACommonState *s1, uint8_t *d,
+ const uint8_t *s, int width)
+{
+#ifdef HOST_WORDS_BIGENDIAN
+ memcpy(d, s, width * 4);
+#else
+ int w;
+ uint32_t r, g, b;
+
+ w = width;
+ do {
+ r = s[1];
+ g = s[2];
+ b = s[3];
((uint32_t *)d)[0] = rgb_to_pixel32(r, g, b);
s += 4;
d += 4;
--
1.8.3.1
^ permalink raw reply related [flat|nested] 17+ messages in thread* Re: [Qemu-devel] [PATCH v2 03/11] vga: Separate LE and BE conversion functions
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 03/11] vga: Separate LE and BE conversion functions Gerd Hoffmann
@ 2014-09-30 0:43 ` David Gibson
2014-09-30 7:59 ` Gerd Hoffmann
0 siblings, 1 reply; 17+ messages in thread
From: David Gibson @ 2014-09-30 0:43 UTC (permalink / raw)
To: Gerd Hoffmann; +Cc: David Gibson, qemu-devel
[-- Attachment #1: Type: text/plain, Size: 1457 bytes --]
On Mon, Sep 29, 2014 at 11:31:04AM +0200, Gerd Hoffmann wrote:
> From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>
> Provide different functions for converting from an LE vs a BE
> framebuffer. We cannot rely on the simple cases always being
> shared surfaces since cirrus will need to always shadow for
> cursor emulation, so we need the full set of functions to
> be able to later handle runtime switching.
>
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>\
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
[snip]
> @@ -1572,19 +1585,19 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
> bits = 8;
> break;
> case 15:
> - v = VGA_DRAW_LINE15;
> + v = big_endian_fb ? VGA_DRAW_LINE15_BE : VGA_DRAW_LINE15_LE;
> bits = 16;
> break;
> case 16:
> - v = VGA_DRAW_LINE16;
> + v = big_endian_fb ? VGA_DRAW_LINE16_BE : VGA_DRAW_LINE16_LE;
> bits = 16;
> break;
So, v1 changed both of these cases to bits = 15, which looked wrong
for case 16. v2 changes neither, which looks wrong for case 15. Or
is there a reason it should be 16 for case 15?
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
[-- Attachment #2: Type: application/pgp-signature, Size: 819 bytes --]
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [Qemu-devel] [PATCH v2 03/11] vga: Separate LE and BE conversion functions
2014-09-30 0:43 ` David Gibson
@ 2014-09-30 7:59 ` Gerd Hoffmann
2014-09-30 8:07 ` David Gibson
0 siblings, 1 reply; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-30 7:59 UTC (permalink / raw)
To: David Gibson; +Cc: David Gibson, qemu-devel
Hi,
> > case 15:
> > - v = VGA_DRAW_LINE15;
> > + v = big_endian_fb ? VGA_DRAW_LINE15_BE : VGA_DRAW_LINE15_LE;
> > bits = 16;
> > break;
> > case 16:
> > - v = VGA_DRAW_LINE16;
> > + v = big_endian_fb ? VGA_DRAW_LINE16_BE : VGA_DRAW_LINE16_LE;
> > bits = 16;
> > break;
>
> So, v1 changed both of these cases to bits = 15, which looked wrong
> for case 16. v2 changes neither, which looks wrong for case 15. Or
> is there a reason it should be 16 for case 15?
It is correct. The '15' is the color depth, and 'bits' is the number of
bits per pixel, which is 16 because the color format uses two bytes per
pixel and one of the bits is unused.
cheers,
Gerd
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [Qemu-devel] [PATCH v2 03/11] vga: Separate LE and BE conversion functions
2014-09-30 7:59 ` Gerd Hoffmann
@ 2014-09-30 8:07 ` David Gibson
0 siblings, 0 replies; 17+ messages in thread
From: David Gibson @ 2014-09-30 8:07 UTC (permalink / raw)
To: Gerd Hoffmann; +Cc: David Gibson, qemu-devel
[-- Attachment #1: Type: text/plain, Size: 1155 bytes --]
On Tue, Sep 30, 2014 at 09:59:30AM +0200, Gerd Hoffmann wrote:
> Hi,
>
> > > case 15:
> > > - v = VGA_DRAW_LINE15;
> > > + v = big_endian_fb ? VGA_DRAW_LINE15_BE : VGA_DRAW_LINE15_LE;
> > > bits = 16;
> > > break;
> > > case 16:
> > > - v = VGA_DRAW_LINE16;
> > > + v = big_endian_fb ? VGA_DRAW_LINE16_BE : VGA_DRAW_LINE16_LE;
> > > bits = 16;
> > > break;
> >
> > So, v1 changed both of these cases to bits = 15, which looked wrong
> > for case 16. v2 changes neither, which looks wrong for case 15. Or
> > is there a reason it should be 16 for case 15?
>
> It is correct. The '15' is the color depth, and 'bits' is the number of
> bits per pixel, which is 16 because the color format uses two bytes per
> pixel and one of the bits is unused.
Ok, then:
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
[-- Attachment #2: Type: application/pgp-signature, Size: 819 bytes --]
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Qemu-devel] [PATCH v2 04/11] vga: Remove rgb_to_pixel indirection
2014-09-29 9:31 [Qemu-devel] [PATCH v2 00/11] vga: cleanup and endianness patch series Gerd Hoffmann
` (2 preceding siblings ...)
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 03/11] vga: Separate LE and BE conversion functions Gerd Hoffmann
@ 2014-09-29 9:31 ` Gerd Hoffmann
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 05/11] vga: Simplify vga_draw_blank() a bit Gerd Hoffmann
` (6 subsequent siblings)
10 siblings, 0 replies; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-29 9:31 UTC (permalink / raw)
To: qemu-devel; +Cc: Gerd Hoffmann, David Gibson
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
We always use rgb_to_pixel32 nowadays.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
---
hw/display/cirrus_vga.c | 15 +++++++++------
hw/display/vga.c | 31 ++++++++++---------------------
hw/display/vga_int.h | 2 --
3 files changed, 19 insertions(+), 29 deletions(-)
diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c
index db330e9..6f8d149 100644
--- a/hw/display/cirrus_vga.c
+++ b/hw/display/cirrus_vga.c
@@ -29,6 +29,7 @@
#include "hw/hw.h"
#include "hw/pci/pci.h"
#include "ui/console.h"
+#include "ui/pixel_ops.h"
#include "vga_int.h"
#include "hw/loader.h"
@@ -2212,6 +2213,8 @@ static void cirrus_cursor_draw_line(VGACommonState *s1, uint8_t *d1, int scr_y)
} else {
src += (s->vga.sr[0x13] & 0x3f) * 256;
src += (scr_y - s->hw_cursor_y) * 4;
+
+
poffset = 128;
content = ((uint32_t *)src)[0] |
((uint32_t *)(src + 128))[0];
@@ -2229,12 +2232,12 @@ static void cirrus_cursor_draw_line(VGACommonState *s1, uint8_t *d1, int scr_y)
x2 = s->vga.last_scr_width;
w = x2 - x1;
palette = s->cirrus_hidden_palette;
- color0 = s->vga.rgb_to_pixel(c6_to_8(palette[0x0 * 3]),
- c6_to_8(palette[0x0 * 3 + 1]),
- c6_to_8(palette[0x0 * 3 + 2]));
- color1 = s->vga.rgb_to_pixel(c6_to_8(palette[0xf * 3]),
- c6_to_8(palette[0xf * 3 + 1]),
- c6_to_8(palette[0xf * 3 + 2]));
+ color0 = rgb_to_pixel32(c6_to_8(palette[0x0 * 3]),
+ c6_to_8(palette[0x0 * 3 + 1]),
+ c6_to_8(palette[0x0 * 3 + 2]));
+ color1 = rgb_to_pixel32(c6_to_8(palette[0xf * 3]),
+ c6_to_8(palette[0xf * 3 + 1]),
+ c6_to_8(palette[0xf * 3 + 2]));
bpp = surface_bytes_per_pixel(surface);
d1 += x1 * bpp;
switch (surface_bits_per_pixel(surface)) {
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 451c354..9d06691 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1011,13 +1011,6 @@ typedef void vga_draw_line_func(VGACommonState *s1, uint8_t *d,
#include "vga_template.h"
-static unsigned int rgb_to_pixel32_dup(unsigned int r, unsigned int g, unsigned b)
-{
- unsigned int col;
- col = rgb_to_pixel32(r, g, b);
- return col;
-}
-
/* return true if the palette was modified */
static int update_palette16(VGACommonState *s)
{
@@ -1034,9 +1027,9 @@ static int update_palette16(VGACommonState *s)
v = ((s->ar[VGA_ATC_COLOR_PAGE] & 0xc) << 4) | (v & 0x3f);
}
v = v * 3;
- col = s->rgb_to_pixel(c6_to_8(s->palette[v]),
- c6_to_8(s->palette[v + 1]),
- c6_to_8(s->palette[v + 2]));
+ col = rgb_to_pixel32(c6_to_8(s->palette[v]),
+ c6_to_8(s->palette[v + 1]),
+ c6_to_8(s->palette[v + 2]));
if (col != palette[i]) {
full_update = 1;
palette[i] = col;
@@ -1056,13 +1049,13 @@ static int update_palette256(VGACommonState *s)
v = 0;
for(i = 0; i < 256; i++) {
if (s->dac_8bit) {
- col = s->rgb_to_pixel(s->palette[v],
- s->palette[v + 1],
- s->palette[v + 2]);
+ col = rgb_to_pixel32(s->palette[v],
+ s->palette[v + 1],
+ s->palette[v + 2]);
} else {
- col = s->rgb_to_pixel(c6_to_8(s->palette[v]),
- c6_to_8(s->palette[v + 1]),
- c6_to_8(s->palette[v + 2]));
+ col = rgb_to_pixel32(c6_to_8(s->palette[v]),
+ c6_to_8(s->palette[v + 1]),
+ c6_to_8(s->palette[v + 2]));
}
if (col != palette[i]) {
full_update = 1;
@@ -1245,7 +1238,6 @@ static void vga_draw_text(VGACommonState *s, int full_update)
s->last_cw = cw;
full_update = 1;
}
- s->rgb_to_pixel = rgb_to_pixel32_dup;
full_update |= update_palette16(s);
palette = s->last_palette;
x_incr = cw * surface_bytes_per_pixel(surface);
@@ -1553,8 +1545,6 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
dpy_gfx_replace_surface(s->con, surface);
}
- s->rgb_to_pixel = rgb_to_pixel32_dup;
-
if (shift_control == 0) {
full_update |= update_palette16(s);
if (s->sr[VGA_SEQ_CLOCK_MODE] & 8) {
@@ -1700,9 +1690,8 @@ static void vga_draw_blank(VGACommonState *s, int full_update)
if (s->last_scr_width <= 0 || s->last_scr_height <= 0)
return;
- s->rgb_to_pixel = rgb_to_pixel32_dup;
if (surface_bits_per_pixel(surface) == 8) {
- val = s->rgb_to_pixel(0, 0, 0);
+ val = rgb_to_pixel32(0, 0, 0);
} else {
val = 0;
}
diff --git a/hw/display/vga_int.h b/hw/display/vga_int.h
index bbc0cb2..9073370 100644
--- a/hw/display/vga_int.h
+++ b/hw/display/vga_int.h
@@ -154,8 +154,6 @@ typedef struct VGACommonState {
bool cursor_visible_phase;
int64_t cursor_blink_time;
uint32_t cursor_offset;
- unsigned int (*rgb_to_pixel)(unsigned int r,
- unsigned int g, unsigned b);
const GraphicHwOps *hw_ops;
bool full_update_text;
bool full_update_gfx;
--
1.8.3.1
^ permalink raw reply related [flat|nested] 17+ messages in thread* [Qemu-devel] [PATCH v2 05/11] vga: Simplify vga_draw_blank() a bit
2014-09-29 9:31 [Qemu-devel] [PATCH v2 00/11] vga: cleanup and endianness patch series Gerd Hoffmann
` (3 preceding siblings ...)
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 04/11] vga: Remove rgb_to_pixel indirection Gerd Hoffmann
@ 2014-09-29 9:31 ` Gerd Hoffmann
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 06/11] cirrus: Remove non-32bpp cursor drawing Gerd Hoffmann
` (5 subsequent siblings)
10 siblings, 0 replies; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-29 9:31 UTC (permalink / raw)
To: qemu-devel; +Cc: Gerd Hoffmann, David Gibson
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
The test for surface_bits_per_pixel() isn't necessary anymore,
the 8bpp case never happens.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
---
hw/display/vga.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 9d06691..c3df0c5 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1682,7 +1682,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
static void vga_draw_blank(VGACommonState *s, int full_update)
{
DisplaySurface *surface = qemu_console_surface(s->con);
- int i, w, val;
+ int i, w;
uint8_t *d;
if (!full_update)
@@ -1690,15 +1690,10 @@ static void vga_draw_blank(VGACommonState *s, int full_update)
if (s->last_scr_width <= 0 || s->last_scr_height <= 0)
return;
- if (surface_bits_per_pixel(surface) == 8) {
- val = rgb_to_pixel32(0, 0, 0);
- } else {
- val = 0;
- }
w = s->last_scr_width * surface_bytes_per_pixel(surface);
d = surface_data(surface);
for(i = 0; i < s->last_scr_height; i++) {
- memset(d, val, w);
+ memset(d, 0, w);
d += surface_stride(surface);
}
dpy_gfx_update(s->con, 0, 0,
--
1.8.3.1
^ permalink raw reply related [flat|nested] 17+ messages in thread* [Qemu-devel] [PATCH v2 06/11] cirrus: Remove non-32bpp cursor drawing
2014-09-29 9:31 [Qemu-devel] [PATCH v2 00/11] vga: cleanup and endianness patch series Gerd Hoffmann
` (4 preceding siblings ...)
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 05/11] vga: Simplify vga_draw_blank() a bit Gerd Hoffmann
@ 2014-09-29 9:31 ` Gerd Hoffmann
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 07/11] vga: Remove some "should be done in BIOS" comments Gerd Hoffmann
` (4 subsequent siblings)
10 siblings, 0 replies; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-29 9:31 UTC (permalink / raw)
To: qemu-devel; +Cc: Gerd Hoffmann, David Gibson
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
We only draw cursor on non-shared surfaces (so it seems...) and
these are always 32bpp
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
---
hw/display/cirrus_vga.c | 64 +++++++++++++-----------
hw/display/cirrus_vga_template.h | 102 ---------------------------------------
2 files changed, 36 insertions(+), 130 deletions(-)
delete mode 100644 hw/display/cirrus_vga_template.h
diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c
index 6f8d149..8a5b76c 100644
--- a/hw/display/cirrus_vga.c
+++ b/hw/display/cirrus_vga.c
@@ -2171,20 +2171,44 @@ static void cirrus_cursor_invalidate(VGACommonState *s1)
}
}
-#define DEPTH 8
-#include "cirrus_vga_template.h"
-
-#define DEPTH 16
-#include "cirrus_vga_template.h"
-
-#define DEPTH 32
-#include "cirrus_vga_template.h"
+static void vga_draw_cursor_line(uint8_t *d1,
+ const uint8_t *src1,
+ int poffset, int w,
+ unsigned int color0,
+ unsigned int color1,
+ unsigned int color_xor)
+{
+ const uint8_t *plane0, *plane1;
+ int x, b0, b1;
+ uint8_t *d;
+
+ d = d1;
+ plane0 = src1;
+ plane1 = src1 + poffset;
+ for (x = 0; x < w; x++) {
+ b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1;
+ b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1;
+ switch (b0 | (b1 << 1)) {
+ case 0:
+ break;
+ case 1:
+ ((uint32_t *)d)[0] ^= color_xor;
+ break;
+ case 2:
+ ((uint32_t *)d)[0] = color0;
+ break;
+ case 3:
+ ((uint32_t *)d)[0] = color1;
+ break;
+ }
+ d += 4;
+ }
+}
static void cirrus_cursor_draw_line(VGACommonState *s1, uint8_t *d1, int scr_y)
{
CirrusVGAState *s = container_of(s1, CirrusVGAState, vga);
- DisplaySurface *surface = qemu_console_surface(s->vga.con);
- int w, h, bpp, x1, x2, poffset;
+ int w, h, x1, x2, poffset;
unsigned int color0, color1;
const uint8_t *palette, *src;
uint32_t content;
@@ -2238,24 +2262,8 @@ static void cirrus_cursor_draw_line(VGACommonState *s1, uint8_t *d1, int scr_y)
color1 = rgb_to_pixel32(c6_to_8(palette[0xf * 3]),
c6_to_8(palette[0xf * 3 + 1]),
c6_to_8(palette[0xf * 3 + 2]));
- bpp = surface_bytes_per_pixel(surface);
- d1 += x1 * bpp;
- switch (surface_bits_per_pixel(surface)) {
- default:
- break;
- case 8:
- vga_draw_cursor_line_8(d1, src, poffset, w, color0, color1, 0xff);
- break;
- case 15:
- vga_draw_cursor_line_16(d1, src, poffset, w, color0, color1, 0x7fff);
- break;
- case 16:
- vga_draw_cursor_line_16(d1, src, poffset, w, color0, color1, 0xffff);
- break;
- case 32:
- vga_draw_cursor_line_32(d1, src, poffset, w, color0, color1, 0xffffff);
- break;
- }
+ d1 += x1 * 4;
+ vga_draw_cursor_line(d1, src, poffset, w, color0, color1, 0xffffff);
}
/***************************************
diff --git a/hw/display/cirrus_vga_template.h b/hw/display/cirrus_vga_template.h
deleted file mode 100644
index 3b28280..0000000
--- a/hw/display/cirrus_vga_template.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * QEMU Cirrus VGA Emulator templates
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#if DEPTH == 8
-#define BPP 1
-#elif DEPTH == 15 || DEPTH == 16
-#define BPP 2
-#elif DEPTH == 32
-#define BPP 4
-#else
-#error unsupported depth
-#endif
-
-static void glue(vga_draw_cursor_line_, DEPTH)(uint8_t *d1,
- const uint8_t *src1,
- int poffset, int w,
- unsigned int color0,
- unsigned int color1,
- unsigned int color_xor)
-{
- const uint8_t *plane0, *plane1;
- int x, b0, b1;
- uint8_t *d;
-
- d = d1;
- plane0 = src1;
- plane1 = src1 + poffset;
- for (x = 0; x < w; x++) {
- b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1;
- b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1;
-#if DEPTH == 8
- switch (b0 | (b1 << 1)) {
- case 0:
- break;
- case 1:
- d[0] ^= color_xor;
- break;
- case 2:
- d[0] = color0;
- break;
- case 3:
- d[0] = color1;
- break;
- }
-#elif DEPTH == 16
- switch (b0 | (b1 << 1)) {
- case 0:
- break;
- case 1:
- ((uint16_t *)d)[0] ^= color_xor;
- break;
- case 2:
- ((uint16_t *)d)[0] = color0;
- break;
- case 3:
- ((uint16_t *)d)[0] = color1;
- break;
- }
-#elif DEPTH == 32
- switch (b0 | (b1 << 1)) {
- case 0:
- break;
- case 1:
- ((uint32_t *)d)[0] ^= color_xor;
- break;
- case 2:
- ((uint32_t *)d)[0] = color0;
- break;
- case 3:
- ((uint32_t *)d)[0] = color1;
- break;
- }
-#else
-#error unsupported depth
-#endif
- d += BPP;
- }
-}
-
-#undef DEPTH
-#undef BPP
--
1.8.3.1
^ permalink raw reply related [flat|nested] 17+ messages in thread* [Qemu-devel] [PATCH v2 07/11] vga: Remove some "should be done in BIOS" comments
2014-09-29 9:31 [Qemu-devel] [PATCH v2 00/11] vga: cleanup and endianness patch series Gerd Hoffmann
` (5 preceding siblings ...)
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 06/11] cirrus: Remove non-32bpp cursor drawing Gerd Hoffmann
@ 2014-09-29 9:31 ` Gerd Hoffmann
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 08/11] vga: Rename vga_template.h to vga-helpers.h Gerd Hoffmann
` (3 subsequent siblings)
10 siblings, 0 replies; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-29 9:31 UTC (permalink / raw)
To: qemu-devel; +Cc: Gerd Hoffmann, David Gibson
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Not all platforms have a VGA BIOS, powerpc typically relies on
using the DISPI interface to initialize the card.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
---
hw/display/vga.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/hw/display/vga.c b/hw/display/vga.c
index c3df0c5..21aa2c6 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -761,14 +761,13 @@ void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val)
s->vbe_regs[VBE_DISPI_INDEX_ENABLE] |= VBE_DISPI_ENABLED;
vbe_fixup_regs(s);
- /* clear the screen (should be done in BIOS) */
+ /* clear the screen */
if (!(val & VBE_DISPI_NOCLEARMEM)) {
memset(s->vram_ptr, 0,
s->vbe_regs[VBE_DISPI_INDEX_YRES] * s->vbe_line_offset);
}
- /* we initialize the VGA graphic mode (should be done
- in BIOS) */
+ /* we initialize the VGA graphic mode */
/* graphic mode + memory map 1 */
s->gr[VGA_GFX_MISC] = (s->gr[VGA_GFX_MISC] & ~0x0c) | 0x04 |
VGA_GR06_GRAPHICS_MODE;
@@ -801,7 +800,6 @@ void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val)
(shift_control << 5);
s->cr[VGA_CRTC_MAX_SCAN] &= ~0x9f; /* no double scan */
} else {
- /* XXX: the bios should do that */
s->bank_offset = 0;
}
s->dac_8bit = (val & VBE_DISPI_8BIT_DAC) > 0;
--
1.8.3.1
^ permalink raw reply related [flat|nested] 17+ messages in thread* [Qemu-devel] [PATCH v2 08/11] vga: Rename vga_template.h to vga-helpers.h
2014-09-29 9:31 [Qemu-devel] [PATCH v2 00/11] vga: cleanup and endianness patch series Gerd Hoffmann
` (6 preceding siblings ...)
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 07/11] vga: Remove some "should be done in BIOS" comments Gerd Hoffmann
@ 2014-09-29 9:31 ` Gerd Hoffmann
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 09/11] vga: Make fb endian a common state variable Gerd Hoffmann
` (2 subsequent siblings)
10 siblings, 0 replies; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-29 9:31 UTC (permalink / raw)
To: qemu-devel; +Cc: Gerd Hoffmann, David Gibson
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
It's no longer a template, we only instanciate the file once.
Keep it a #included file so the functions remain static.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
---
hw/display/{vga_template.h => vga-helpers.h} | 0
hw/display/vga.c | 2 +-
2 files changed, 1 insertion(+), 1 deletion(-)
rename hw/display/{vga_template.h => vga-helpers.h} (100%)
diff --git a/hw/display/vga_template.h b/hw/display/vga-helpers.h
similarity index 100%
rename from hw/display/vga_template.h
rename to hw/display/vga-helpers.h
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 21aa2c6..9f60f88 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1007,7 +1007,7 @@ void vga_mem_writeb(VGACommonState *s, hwaddr addr, uint32_t val)
typedef void vga_draw_line_func(VGACommonState *s1, uint8_t *d,
const uint8_t *s, int width);
-#include "vga_template.h"
+#include "vga-helpers.h"
/* return true if the palette was modified */
static int update_palette16(VGACommonState *s)
--
1.8.3.1
^ permalink raw reply related [flat|nested] 17+ messages in thread* [Qemu-devel] [PATCH v2 09/11] vga: Make fb endian a common state variable
2014-09-29 9:31 [Qemu-devel] [PATCH v2 00/11] vga: cleanup and endianness patch series Gerd Hoffmann
` (7 preceding siblings ...)
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 08/11] vga: Rename vga_template.h to vga-helpers.h Gerd Hoffmann
@ 2014-09-29 9:31 ` Gerd Hoffmann
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 10/11] vga: Add endian control register Gerd Hoffmann
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 11/11] vga-pci: add qext region to mmio Gerd Hoffmann
10 siblings, 0 replies; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-29 9:31 UTC (permalink / raw)
To: qemu-devel; +Cc: Gerd Hoffmann, David Gibson
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
And initialize it based on target endian
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
---
hw/display/vga.c | 32 +++++++++++++++++++-------------
hw/display/vga_int.h | 1 +
2 files changed, 20 insertions(+), 13 deletions(-)
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 9f60f88..49a4b8b 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1461,16 +1461,11 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
int disp_width, multi_scan, multi_run;
uint8_t *d;
uint32_t v, addr1, addr;
- vga_draw_line_func *vga_draw_line;
-#if defined(TARGET_WORDS_BIGENDIAN)
- static const bool big_endian_fb = true;
-#else
- static const bool big_endian_fb = false;
-#endif
-#if defined(HOST_WORDS_BIGENDIAN)
- static const bool byteswap = !big_endian_fb;
+ vga_draw_line_func *vga_draw_line = NULL;
+#ifdef HOST_WORDS_BIGENDIAN
+ bool byteswap = !s->big_endian_fb;
#else
- static const bool byteswap = big_endian_fb;
+ bool byteswap = s->big_endian_fb;
#endif
full_update |= update_basic_params(s);
@@ -1573,19 +1568,19 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
bits = 8;
break;
case 15:
- v = big_endian_fb ? VGA_DRAW_LINE15_BE : VGA_DRAW_LINE15_LE;
+ v = s->big_endian_fb ? VGA_DRAW_LINE15_BE : VGA_DRAW_LINE15_LE;
bits = 16;
break;
case 16:
- v = big_endian_fb ? VGA_DRAW_LINE16_BE : VGA_DRAW_LINE16_LE;
+ v = s->big_endian_fb ? VGA_DRAW_LINE16_BE : VGA_DRAW_LINE16_LE;
bits = 16;
break;
case 24:
- v = big_endian_fb ? VGA_DRAW_LINE24_BE : VGA_DRAW_LINE24_LE;
+ v = s->big_endian_fb ? VGA_DRAW_LINE24_BE : VGA_DRAW_LINE24_LE;
bits = 24;
break;
case 32:
- v = big_endian_fb ? VGA_DRAW_LINE32_BE : VGA_DRAW_LINE32_LE;
+ v = s->big_endian_fb ? VGA_DRAW_LINE32_BE : VGA_DRAW_LINE32_LE;
bits = 32;
break;
}
@@ -2129,6 +2124,17 @@ void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate)
s->update_retrace_info = vga_precise_update_retrace_info;
break;
}
+
+ /*
+ * Set default fb endian based on target, should probably be turned
+ * into a device attribute set by the machine/platform to remove
+ * all target endian dependencies from this file.
+ */
+#ifdef TARGET_WORDS_BIGENDIAN
+ s->big_endian_fb = true;
+#else
+ s->big_endian_fb = false;
+#endif
vga_dirty_log_start(s);
}
diff --git a/hw/display/vga_int.h b/hw/display/vga_int.h
index 9073370..28d67cf 100644
--- a/hw/display/vga_int.h
+++ b/hw/display/vga_int.h
@@ -157,6 +157,7 @@ typedef struct VGACommonState {
const GraphicHwOps *hw_ops;
bool full_update_text;
bool full_update_gfx;
+ bool big_endian_fb;
/* hardware mouse cursor support */
uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32];
void (*cursor_invalidate)(struct VGACommonState *s);
--
1.8.3.1
^ permalink raw reply related [flat|nested] 17+ messages in thread* [Qemu-devel] [PATCH v2 10/11] vga: Add endian control register
2014-09-29 9:31 [Qemu-devel] [PATCH v2 00/11] vga: cleanup and endianness patch series Gerd Hoffmann
` (8 preceding siblings ...)
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 09/11] vga: Make fb endian a common state variable Gerd Hoffmann
@ 2014-09-29 9:31 ` Gerd Hoffmann
2014-09-30 0:45 ` David Gibson
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 11/11] vga-pci: add qext region to mmio Gerd Hoffmann
10 siblings, 1 reply; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-29 9:31 UTC (permalink / raw)
To: qemu-devel; +Cc: Gerd Hoffmann, David Gibson
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Include the endian state in the migration stream as an optional
subsection which we only include when the endian isn't the default,
thus enabling backward compatibility of the common case.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Changes by kraxel:
* Remove bochs dispi interface changes. We'll do that in
a different way to make sure we don't conflict with
possible future bochs dispi interface changes.
* keep live migration bits.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
hw/display/vga.c | 41 +++++++++++++++++++++++++++++++++++++----
hw/display/vga_int.h | 2 ++
2 files changed, 39 insertions(+), 4 deletions(-)
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 49a4b8b..19e7f23 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1508,7 +1508,8 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
if (s->line_offset != s->last_line_offset ||
disp_width != s->last_width ||
height != s->last_height ||
- s->last_depth != depth) {
+ s->last_depth != depth ||
+ s->last_byteswap != byteswap) {
if (depth == 32 || (depth == 16 && !byteswap)) {
pixman_format_code_t format =
qemu_default_pixman_format(depth, !byteswap);
@@ -1526,6 +1527,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
s->last_height = height;
s->last_line_offset = s->line_offset;
s->last_depth = depth;
+ s->last_byteswap = byteswap;
full_update = 1;
} else if (is_buffer_shared(surface) &&
(full_update || surface_data(surface) != s->vram_ptr
@@ -1789,6 +1791,7 @@ void vga_common_reset(VGACommonState *s)
s->cursor_start = 0;
s->cursor_end = 0;
s->cursor_offset = 0;
+ s->big_endian_fb = s->default_endian_fb;
memset(s->invalidated_y_table, '\0', sizeof(s->invalidated_y_table));
memset(s->last_palette, '\0', sizeof(s->last_palette));
memset(s->last_ch_attr, '\0', sizeof(s->last_ch_attr));
@@ -2020,6 +2023,28 @@ static int vga_common_post_load(void *opaque, int version_id)
return 0;
}
+static bool vga_endian_state_needed(void *opaque)
+{
+ VGACommonState *s = opaque;
+
+ /*
+ * Only send the endian state if it's different from the
+ * default one, thus ensuring backward compatibility for
+ * migration of the common case
+ */
+ return s->default_endian_fb != s->big_endian_fb;
+}
+
+const VMStateDescription vmstate_vga_endian = {
+ .name = "vga.endian",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_BOOL(big_endian_fb, VGACommonState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
const VMStateDescription vmstate_vga_common = {
.name = "vga",
.version_id = 2,
@@ -2056,6 +2081,14 @@ const VMStateDescription vmstate_vga_common = {
VMSTATE_UINT32(vbe_line_offset, VGACommonState),
VMSTATE_UINT32(vbe_bank_mask, VGACommonState),
VMSTATE_END_OF_LIST()
+ },
+ .subsections = (VMStateSubsection []) {
+ {
+ .vmsd = &vmstate_vga_endian,
+ .needed = vga_endian_state_needed,
+ }, {
+ /* empty */
+ }
}
};
@@ -2126,14 +2159,14 @@ void vga_common_init(VGACommonState *s, Object *obj, bool global_vmstate)
}
/*
- * Set default fb endian based on target, should probably be turned
+ * Set default fb endian based on target, could probably be turned
* into a device attribute set by the machine/platform to remove
* all target endian dependencies from this file.
*/
#ifdef TARGET_WORDS_BIGENDIAN
- s->big_endian_fb = true;
+ s->default_endian_fb = true;
#else
- s->big_endian_fb = false;
+ s->default_endian_fb = false;
#endif
vga_dirty_log_start(s);
}
diff --git a/hw/display/vga_int.h b/hw/display/vga_int.h
index 28d67cf..ed69e06 100644
--- a/hw/display/vga_int.h
+++ b/hw/display/vga_int.h
@@ -150,6 +150,7 @@ typedef struct VGACommonState {
uint32_t last_width, last_height; /* in chars or pixels */
uint32_t last_scr_width, last_scr_height; /* in pixels */
uint32_t last_depth; /* in bits */
+ bool last_byteswap;
uint8_t cursor_start, cursor_end;
bool cursor_visible_phase;
int64_t cursor_blink_time;
@@ -158,6 +159,7 @@ typedef struct VGACommonState {
bool full_update_text;
bool full_update_gfx;
bool big_endian_fb;
+ bool default_endian_fb;
/* hardware mouse cursor support */
uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32];
void (*cursor_invalidate)(struct VGACommonState *s);
--
1.8.3.1
^ permalink raw reply related [flat|nested] 17+ messages in thread* Re: [Qemu-devel] [PATCH v2 10/11] vga: Add endian control register
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 10/11] vga: Add endian control register Gerd Hoffmann
@ 2014-09-30 0:45 ` David Gibson
2014-09-30 10:56 ` Gerd Hoffmann
0 siblings, 1 reply; 17+ messages in thread
From: David Gibson @ 2014-09-30 0:45 UTC (permalink / raw)
To: Gerd Hoffmann; +Cc: David Gibson, qemu-devel
[-- Attachment #1: Type: text/plain, Size: 1012 bytes --]
On Mon, Sep 29, 2014 at 11:31:11AM +0200, Gerd Hoffmann wrote:
> From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>
> Include the endian state in the migration stream as an optional
> subsection which we only include when the endian isn't the default,
> thus enabling backward compatibility of the common case.
>
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>
> Changes by kraxel:
> * Remove bochs dispi interface changes. We'll do that in
> a different way to make sure we don't conflict with
> possible future bochs dispi interface changes.
> * keep live migration bits.
>
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
short desc doesn't quite seem to match the patch contents. Otherwise
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
[-- Attachment #2: Type: application/pgp-signature, Size: 819 bytes --]
^ permalink raw reply [flat|nested] 17+ messages in thread
* Re: [Qemu-devel] [PATCH v2 10/11] vga: Add endian control register
2014-09-30 0:45 ` David Gibson
@ 2014-09-30 10:56 ` Gerd Hoffmann
0 siblings, 0 replies; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-30 10:56 UTC (permalink / raw)
To: David Gibson; +Cc: David Gibson, qemu-devel
On Di, 2014-09-30 at 10:45 +1000, David Gibson wrote:
> On Mon, Sep 29, 2014 at 11:31:11AM +0200, Gerd Hoffmann wrote:
> > From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> >
> > Include the endian state in the migration stream as an optional
> > subsection which we only include when the endian isn't the default,
> > thus enabling backward compatibility of the common case.
> >
> > Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> >
> > Changes by kraxel:
> > * Remove bochs dispi interface changes. We'll do that in
> > a different way to make sure we don't conflict with
> > possible future bochs dispi interface changes.
> > * keep live migration bits.
> >
> > Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
>
> short desc doesn't quite seem to match the patch contents. Otherwise
Indeed, with my changes it isn't correct any more. Retitled to say
"vga: Add endian to vmstate".
cheers,
Gerd
^ permalink raw reply [flat|nested] 17+ messages in thread
* [Qemu-devel] [PATCH v2 11/11] vga-pci: add qext region to mmio
2014-09-29 9:31 [Qemu-devel] [PATCH v2 00/11] vga: cleanup and endianness patch series Gerd Hoffmann
` (9 preceding siblings ...)
2014-09-29 9:31 ` [Qemu-devel] [PATCH v2 10/11] vga: Add endian control register Gerd Hoffmann
@ 2014-09-29 9:31 ` Gerd Hoffmann
10 siblings, 0 replies; 17+ messages in thread
From: Gerd Hoffmann @ 2014-09-29 9:31 UTC (permalink / raw)
To: qemu-devel
Cc: Michael S. Tsirkin, Gerd Hoffmann, Anthony Liguori, David Gibson
Add a qemu extented register range to the standard vga mmio bar.
Right nowe there are two registers: One readonly register returning the
size of the region (so we can easily add more registers there if needed)
and one endian control register, so guests (especially ppc) can flip
the framebuffer endianness as they need it.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
---
docs/specs/standard-vga.txt | 9 ++++++
hw/display/vga-pci.c | 68 +++++++++++++++++++++++++++++++++++++++++++++
include/hw/i386/pc.h | 8 ++++++
3 files changed, 85 insertions(+)
diff --git a/docs/specs/standard-vga.txt b/docs/specs/standard-vga.txt
index f82773e..19d2a74 100644
--- a/docs/specs/standard-vga.txt
+++ b/docs/specs/standard-vga.txt
@@ -70,3 +70,12 @@ Likewise applies to the pci variant only for obvious reasons.
0500 - 0515 : bochs dispi interface registers, mapped flat
without index/data ports. Use (index << 1)
as offset for (16bit) register access.
+
+0600 - 0607 : qemu extended registers. qemu 2.2+ only.
+ The pci revision is 2 (or greater) when
+ these registers are present. The registers
+ are 32bit.
+ 0600 : qemu extended register region size, in bytes.
+ 0604 : framebuffer endianness register.
+ - 0xbebebebe indicates big endian.
+ - 0x1e1e1e1e indicates little endian.
diff --git a/hw/display/vga-pci.c b/hw/display/vga-pci.c
index 0351d94..3394ec2 100644
--- a/hw/display/vga-pci.c
+++ b/hw/display/vga-pci.c
@@ -35,10 +35,18 @@
#define PCI_VGA_IOPORT_SIZE (0x3e0 - 0x3c0)
#define PCI_VGA_BOCHS_OFFSET 0x500
#define PCI_VGA_BOCHS_SIZE (0x0b * 2)
+#define PCI_VGA_QEXT_OFFSET 0x600
+#define PCI_VGA_QEXT_SIZE (2 * 4)
#define PCI_VGA_MMIO_SIZE 0x1000
+#define PCI_VGA_QEXT_REG_SIZE (0 * 4)
+#define PCI_VGA_QEXT_REG_BYTEORDER (1 * 4)
+#define PCI_VGA_QEXT_LITTLE_ENDIAN 0x1e1e1e1e
+#define PCI_VGA_QEXT_BIG_ENDIAN 0xbebebebe
+
enum vga_pci_flags {
PCI_VGA_FLAG_ENABLE_MMIO = 1,
+ PCI_VGA_FLAG_ENABLE_QEXT = 2,
};
typedef struct PCIVGAState {
@@ -48,6 +56,7 @@ typedef struct PCIVGAState {
MemoryRegion mmio;
MemoryRegion ioport;
MemoryRegion bochs;
+ MemoryRegion qext;
} PCIVGAState;
static const VMStateDescription vmstate_vga_pci = {
@@ -140,6 +149,46 @@ static const MemoryRegionOps pci_vga_bochs_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
+static uint64_t pci_vga_qext_read(void *ptr, hwaddr addr, unsigned size)
+{
+ PCIVGAState *d = ptr;
+
+ switch (addr) {
+ case PCI_VGA_QEXT_REG_SIZE:
+ return PCI_VGA_QEXT_SIZE;
+ case PCI_VGA_QEXT_REG_BYTEORDER:
+ return d->vga.big_endian_fb ?
+ PCI_VGA_QEXT_BIG_ENDIAN : PCI_VGA_QEXT_LITTLE_ENDIAN;
+ default:
+ return 0;
+ }
+}
+
+static void pci_vga_qext_write(void *ptr, hwaddr addr,
+ uint64_t val, unsigned size)
+{
+ PCIVGAState *d = ptr;
+
+ switch (addr) {
+ case PCI_VGA_QEXT_REG_BYTEORDER:
+ if (val == PCI_VGA_QEXT_BIG_ENDIAN) {
+ d->vga.big_endian_fb = true;
+ }
+ if (val == PCI_VGA_QEXT_LITTLE_ENDIAN) {
+ d->vga.big_endian_fb = false;
+ }
+ break;
+ }
+}
+
+static const MemoryRegionOps pci_vga_qext_ops = {
+ .read = pci_vga_qext_read,
+ .write = pci_vga_qext_write,
+ .valid.min_access_size = 4,
+ .valid.max_access_size = 4,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
static int pci_std_vga_initfn(PCIDevice *dev)
{
PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev);
@@ -167,6 +216,15 @@ static int pci_std_vga_initfn(PCIDevice *dev)
&d->ioport);
memory_region_add_subregion(&d->mmio, PCI_VGA_BOCHS_OFFSET,
&d->bochs);
+
+ if (d->flags & (1 << PCI_VGA_FLAG_ENABLE_QEXT)) {
+ memory_region_init_io(&d->qext, NULL, &pci_vga_qext_ops, d,
+ "qemu extended regs", PCI_VGA_QEXT_SIZE);
+ memory_region_add_subregion(&d->mmio, PCI_VGA_QEXT_OFFSET,
+ &d->qext);
+ pci_set_byte(&d->dev.config[PCI_REVISION_ID], 2);
+ }
+
pci_register_bar(&d->dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &d->mmio);
}
@@ -199,6 +257,14 @@ static int pci_secondary_vga_initfn(PCIDevice *dev)
memory_region_add_subregion(&d->mmio, PCI_VGA_BOCHS_OFFSET,
&d->bochs);
+ if (d->flags & (1 << PCI_VGA_FLAG_ENABLE_QEXT)) {
+ memory_region_init_io(&d->qext, NULL, &pci_vga_qext_ops, d,
+ "qemu extended regs", PCI_VGA_QEXT_SIZE);
+ memory_region_add_subregion(&d->mmio, PCI_VGA_QEXT_OFFSET,
+ &d->qext);
+ pci_set_byte(&d->dev.config[PCI_REVISION_ID], 2);
+ }
+
pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->vram);
pci_register_bar(&d->dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &d->mmio);
@@ -215,11 +281,13 @@ static void pci_secondary_vga_reset(DeviceState *dev)
static Property vga_pci_properties[] = {
DEFINE_PROP_UINT32("vgamem_mb", PCIVGAState, vga.vram_size_mb, 16),
DEFINE_PROP_BIT("mmio", PCIVGAState, flags, PCI_VGA_FLAG_ENABLE_MMIO, true),
+ DEFINE_PROP_BIT("qext", PCIVGAState, flags, PCI_VGA_FLAG_ENABLE_QEXT, true),
DEFINE_PROP_END_OF_LIST(),
};
static Property secondary_pci_properties[] = {
DEFINE_PROP_UINT32("vgamem_mb", PCIVGAState, vga.vram_size_mb, 16),
+ DEFINE_PROP_BIT("qext", PCIVGAState, flags, PCI_VGA_FLAG_ENABLE_QEXT, true),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 77316d5..23acc1f 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -306,6 +306,14 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
.driver = "intel-hda",\
.property = "old_msi_addr",\
.value = "on",\
+ },{\
+ .driver = "VGA",\
+ .property = "qext",\
+ .value = "off",\
+ },{\
+ .driver = "secondary-vga",\
+ .property = "qext",\
+ .value = "off",\
}
#define PC_COMPAT_2_0 \
--
1.8.3.1
^ permalink raw reply related [flat|nested] 17+ messages in thread