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-rw-r--r--hw/cirrus_vga.c1276
1 files changed, 655 insertions, 621 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index 7fe5ff4ca7..f0b22e77c1 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -29,6 +29,14 @@
#include "vl.h"
#include "vga_int.h"
+/*
+ * TODO:
+ * - add support for WRITEMASK (GR2F)
+ * - add support for scanline modulo in pattern fill
+ * - optimize linear mappings
+ * - optimize bitblt functions
+ */
+
//#define DEBUG_CIRRUS
//#define DEBUG_BITBLT
@@ -103,6 +111,7 @@
#define CIRRUS_BLT_START 0x02
#define CIRRUS_BLT_RESET 0x04
#define CIRRUS_BLT_FIFOUSED 0x10
+#define CIRRUS_BLT_AUTOSTART 0x80
// control 0x32
#define CIRRUS_ROP_0 0x00
@@ -122,8 +131,12 @@
#define CIRRUS_ROP_NOTSRC_OR_DST 0xd6
#define CIRRUS_ROP_NOTSRC_AND_NOTDST 0xda
+#define CIRRUS_ROP_NOP_INDEX 2
+#define CIRRUS_ROP_SRC_INDEX 5
+
// control 0x33
-#define CIRRUS_BLTMODEEXT_SOLIDFILL 0x04
+#define CIRRUS_BLTMODEEXT_SOLIDFILL 0x04
+#define CIRRUS_BLTMODEEXT_DWORDGRANULARITY 0x01
// memory-mapped IO
#define CIRRUS_MMIO_BLTBGCOLOR 0x00 // dword
@@ -204,16 +217,19 @@
#define CIRRUS_HOOK_NOT_HANDLED 0
#define CIRRUS_HOOK_HANDLED 1
-typedef void (*cirrus_bitblt_rop_t) (uint8_t * dst, const uint8_t * src,
+struct CirrusVGAState;
+typedef void (*cirrus_bitblt_rop_t) (struct CirrusVGAState *s,
+ uint8_t * dst, const uint8_t * src,
int dstpitch, int srcpitch,
int bltwidth, int bltheight);
-
-typedef void (*cirrus_bitblt_handler_t) (void *opaque);
+typedef void (*cirrus_fill_t)(struct CirrusVGAState *s,
+ uint8_t *dst, int dst_pitch, int width, int height);
typedef struct CirrusVGAState {
VGA_STATE_COMMON
int cirrus_linear_io_addr;
+ int cirrus_linear_bitblt_io_addr;
int cirrus_mmio_io_addr;
uint32_t cirrus_addr_mask;
uint8_t cirrus_shadow_gr0;
@@ -223,18 +239,21 @@ typedef struct CirrusVGAState {
uint32_t cirrus_bank_base[2];
uint32_t cirrus_bank_limit[2];
uint8_t cirrus_hidden_palette[48];
- uint32_t cirrus_hw_cursor_x;
- uint32_t cirrus_hw_cursor_y;
+ uint32_t hw_cursor_x;
+ uint32_t hw_cursor_y;
int cirrus_blt_pixelwidth;
int cirrus_blt_width;
int cirrus_blt_height;
int cirrus_blt_dstpitch;
int cirrus_blt_srcpitch;
+ uint32_t cirrus_blt_fgcol;
+ uint32_t cirrus_blt_bgcol;
uint32_t cirrus_blt_dstaddr;
uint32_t cirrus_blt_srcaddr;
uint8_t cirrus_blt_mode;
+ uint8_t cirrus_blt_modeext;
cirrus_bitblt_rop_t cirrus_rop;
-#define CIRRUS_BLTBUFSIZE 256
+#define CIRRUS_BLTBUFSIZE (2048 * 4) /* one line width */
uint8_t cirrus_bltbuf[CIRRUS_BLTBUFSIZE];
uint8_t *cirrus_srcptr;
uint8_t *cirrus_srcptr_end;
@@ -242,8 +261,12 @@ typedef struct CirrusVGAState {
uint8_t *cirrus_dstptr;
uint8_t *cirrus_dstptr_end;
uint32_t cirrus_dstcounter;
- cirrus_bitblt_handler_t cirrus_blt_handler;
- int cirrus_blt_horz_counter;
+ /* hwcursor display state */
+ int last_hw_cursor_size;
+ int last_hw_cursor_x;
+ int last_hw_cursor_y;
+ int last_hw_cursor_y_start;
+ int last_hw_cursor_y_end;
} CirrusVGAState;
typedef struct PCICirrusVGAState {
@@ -251,6 +274,8 @@ typedef struct PCICirrusVGAState {
CirrusVGAState cirrus_vga;
} PCICirrusVGAState;
+static uint8_t rop_to_index[256];
+
/***************************************
*
* prototypes.
@@ -266,343 +291,233 @@ static void cirrus_bitblt_reset(CirrusVGAState * s);
*
***************************************/
-#define IMPLEMENT_BITBLT(name,opline) \
- static void \
- cirrus_bitblt_rop_fwd_##name( \
- uint8_t *dst,const uint8_t *src, \
- int dstpitch,int srcpitch, \
- int bltwidth,int bltheight) \
- { \
- int x,y; \
- dstpitch -= bltwidth; \
- srcpitch -= bltwidth; \
- for (y = 0; y < bltheight; y++) { \
- for (x = 0; x < bltwidth; x++) { \
- opline; \
- dst++; \
- src++; \
- } \
- dst += dstpitch; \
- src += srcpitch; \
- } \
- } \
- \
- static void \
- cirrus_bitblt_rop_bkwd_##name( \
- uint8_t *dst,const uint8_t *src, \
- int dstpitch,int srcpitch, \
- int bltwidth,int bltheight) \
- { \
- int x,y; \
- dstpitch += bltwidth; \
- srcpitch += bltwidth; \
- for (y = 0; y < bltheight; y++) { \
- for (x = 0; x < bltwidth; x++) { \
- opline; \
- dst--; \
- src--; \
- } \
- dst += dstpitch; \
- src += srcpitch; \
- } \
- }
-
-IMPLEMENT_BITBLT(0, *dst = 0)
-IMPLEMENT_BITBLT(src_and_dst, *dst = (*src) & (*dst))
-IMPLEMENT_BITBLT(nop, (void) 0)
-IMPLEMENT_BITBLT(src_and_notdst, *dst = (*src) & (~(*dst)))
-IMPLEMENT_BITBLT(notdst, *dst = ~(*dst))
-IMPLEMENT_BITBLT(src, *dst = *src)
-IMPLEMENT_BITBLT(1, *dst = 0xff)
-IMPLEMENT_BITBLT(notsrc_and_dst, *dst = (~(*src)) & (*dst))
-IMPLEMENT_BITBLT(src_xor_dst, *dst = (*src) ^ (*dst))
-IMPLEMENT_BITBLT(src_or_dst, *dst = (*src) | (*dst))
-IMPLEMENT_BITBLT(notsrc_or_notdst, *dst = (~(*src)) | (~(*dst)))
-IMPLEMENT_BITBLT(src_notxor_dst, *dst = ~((*src) ^ (*dst)))
-IMPLEMENT_BITBLT(src_or_notdst, *dst = (*src) | (~(*dst)))
-IMPLEMENT_BITBLT(notsrc, *dst = (~(*src)))
-IMPLEMENT_BITBLT(notsrc_or_dst, *dst = (~(*src)) | (*dst))
-IMPLEMENT_BITBLT(notsrc_and_notdst, *dst = (~(*src)) & (~(*dst)))
-
-static cirrus_bitblt_rop_t cirrus_get_fwd_rop_handler(uint8_t rop)
-{
- cirrus_bitblt_rop_t rop_handler = cirrus_bitblt_rop_fwd_nop;
-
- switch (rop) {
- case CIRRUS_ROP_0:
- rop_handler = cirrus_bitblt_rop_fwd_0;
- break;
- case CIRRUS_ROP_SRC_AND_DST:
- rop_handler = cirrus_bitblt_rop_fwd_src_and_dst;
- break;
- case CIRRUS_ROP_NOP:
- rop_handler = cirrus_bitblt_rop_fwd_nop;
- break;
- case CIRRUS_ROP_SRC_AND_NOTDST:
- rop_handler = cirrus_bitblt_rop_fwd_src_and_notdst;
- break;
- case CIRRUS_ROP_NOTDST:
- rop_handler = cirrus_bitblt_rop_fwd_notdst;
- break;
- case CIRRUS_ROP_SRC:
- rop_handler = cirrus_bitblt_rop_fwd_src;
- break;
- case CIRRUS_ROP_1:
- rop_handler = cirrus_bitblt_rop_fwd_1;
- break;
- case CIRRUS_ROP_NOTSRC_AND_DST:
- rop_handler = cirrus_bitblt_rop_fwd_notsrc_and_dst;
- break;
- case CIRRUS_ROP_SRC_XOR_DST:
- rop_handler = cirrus_bitblt_rop_fwd_src_xor_dst;
- break;
- case CIRRUS_ROP_SRC_OR_DST:
- rop_handler = cirrus_bitblt_rop_fwd_src_or_dst;
- break;
- case CIRRUS_ROP_NOTSRC_OR_NOTDST:
- rop_handler = cirrus_bitblt_rop_fwd_notsrc_or_notdst;
- break;
- case CIRRUS_ROP_SRC_NOTXOR_DST:
- rop_handler = cirrus_bitblt_rop_fwd_src_notxor_dst;
- break;
- case CIRRUS_ROP_SRC_OR_NOTDST:
- rop_handler = cirrus_bitblt_rop_fwd_src_or_notdst;
- break;
- case CIRRUS_ROP_NOTSRC:
- rop_handler = cirrus_bitblt_rop_fwd_notsrc;
- break;
- case CIRRUS_ROP_NOTSRC_OR_DST:
- rop_handler = cirrus_bitblt_rop_fwd_notsrc_or_dst;
- break;
- case CIRRUS_ROP_NOTSRC_AND_NOTDST:
- rop_handler = cirrus_bitblt_rop_fwd_notsrc_and_notdst;
- break;
- default:
-#ifdef DEBUG_CIRRUS
- printf("unknown ROP %02x\n", rop);
-#endif
- break;
- }
-
- return rop_handler;
+static void cirrus_bitblt_rop_nop(CirrusVGAState *s,
+ uint8_t *dst,const uint8_t *src,
+ int dstpitch,int srcpitch,
+ int bltwidth,int bltheight)
+{
}
-static cirrus_bitblt_rop_t cirrus_get_bkwd_rop_handler(uint8_t rop)
+static void cirrus_bitblt_fill_nop(CirrusVGAState *s,
+ uint8_t *dst,
+ int dstpitch, int bltwidth,int bltheight)
{
- cirrus_bitblt_rop_t rop_handler = cirrus_bitblt_rop_bkwd_nop;
+}
- switch (rop) {
- case CIRRUS_ROP_0:
- rop_handler = cirrus_bitblt_rop_bkwd_0;
- break;
- case CIRRUS_ROP_SRC_AND_DST:
- rop_handler = cirrus_bitblt_rop_bkwd_src_and_dst;
- break;
- case CIRRUS_ROP_NOP:
- rop_handler = cirrus_bitblt_rop_bkwd_nop;
- break;
- case CIRRUS_ROP_SRC_AND_NOTDST:
- rop_handler = cirrus_bitblt_rop_bkwd_src_and_notdst;
- break;
- case CIRRUS_ROP_NOTDST:
- rop_handler = cirrus_bitblt_rop_bkwd_notdst;
- break;
- case CIRRUS_ROP_SRC:
- rop_handler = cirrus_bitblt_rop_bkwd_src;
- break;
- case CIRRUS_ROP_1:
- rop_handler = cirrus_bitblt_rop_bkwd_1;
- break;
- case CIRRUS_ROP_NOTSRC_AND_DST:
- rop_handler = cirrus_bitblt_rop_bkwd_notsrc_and_dst;
- break;
- case CIRRUS_ROP_SRC_XOR_DST:
- rop_handler = cirrus_bitblt_rop_bkwd_src_xor_dst;
- break;
- case CIRRUS_ROP_SRC_OR_DST:
- rop_handler = cirrus_bitblt_rop_bkwd_src_or_dst;
- break;
- case CIRRUS_ROP_NOTSRC_OR_NOTDST:
- rop_handler = cirrus_bitblt_rop_bkwd_notsrc_or_notdst;
- break;
- case CIRRUS_ROP_SRC_NOTXOR_DST:
- rop_handler = cirrus_bitblt_rop_bkwd_src_notxor_dst;
- break;
- case CIRRUS_ROP_SRC_OR_NOTDST:
- rop_handler = cirrus_bitblt_rop_bkwd_src_or_notdst;
- break;
- case CIRRUS_ROP_NOTSRC:
- rop_handler = cirrus_bitblt_rop_bkwd_notsrc;
- break;
- case CIRRUS_ROP_NOTSRC_OR_DST:
- rop_handler = cirrus_bitblt_rop_bkwd_notsrc_or_dst;
- break;
- case CIRRUS_ROP_NOTSRC_AND_NOTDST:
- rop_handler = cirrus_bitblt_rop_bkwd_notsrc_and_notdst;
- break;
- default:
-#ifdef DEBUG_CIRRUS
- printf("unknown ROP %02x\n", rop);
-#endif
- break;
- }
+#define ROP_NAME 0
+#define ROP_OP(d, s) d = 0
+#include "cirrus_vga_rop.h"
- return rop_handler;
-}
+#define ROP_NAME src_and_dst
+#define ROP_OP(d, s) d = (s) & (d)
+#include "cirrus_vga_rop.h"
-/***************************************
- *
- * color expansion
- *
- ***************************************/
+#define ROP_NAME src_and_notdst
+#define ROP_OP(d, s) d = (s) & (~(d))
+#include "cirrus_vga_rop.h"
-static void
-cirrus_colorexpand_8(CirrusVGAState * s, uint8_t * dst,
- const uint8_t * src, int count)
-{
- int x;
- uint8_t colors[2];
- unsigned bits;
- unsigned bitmask;
- int srcskipleft = 0;
-
- colors[0] = s->cirrus_shadow_gr0;
- colors[1] = s->cirrus_shadow_gr1;
-
- bitmask = 0x80 >> srcskipleft;
- bits = *src++;
- for (x = 0; x < count; x++) {
- if ((bitmask & 0xff) == 0) {
- bitmask = 0x80;
- bits = *src++;
- }
- *dst++ = colors[!!(bits & bitmask)];
- bitmask >>= 1;
- }
-}
+#define ROP_NAME notdst
+#define ROP_OP(d, s) d = ~(d)
+#include "cirrus_vga_rop.h"
-static void
-cirrus_colorexpand_16(CirrusVGAState * s, uint8_t * dst,
- const uint8_t * src, int count)
-{
- int x;
- uint8_t colors[2][2];
- unsigned bits;
- unsigned bitmask;
- unsigned index;
- int srcskipleft = 0;
-
- colors[0][0] = s->cirrus_shadow_gr0;
- colors[0][1] = s->gr[0x10];
- colors[1][0] = s->cirrus_shadow_gr1;
- colors[1][1] = s->gr[0x11];
-
- bitmask = 0x80 >> srcskipleft;
- bits = *src++;
- for (x = 0; x < count; x++) {
- if ((bitmask & 0xff) == 0) {
- bitmask = 0x80;
- bits = *src++;
- }
- index = !!(bits & bitmask);
- *dst++ = colors[index][0];
- *dst++ = colors[index][1];
- bitmask >>= 1;
- }
-}
+#define ROP_NAME src
+#define ROP_OP(d, s) d = s
+#include "cirrus_vga_rop.h"
-static void
-cirrus_colorexpand_24(CirrusVGAState * s, uint8_t * dst,
- const uint8_t * src, int count)
-{
- int x;
- uint8_t colors[2][3];
- unsigned bits;
- unsigned bitmask;
- unsigned index;
- int srcskipleft = 0;
-
- colors[0][0] = s->cirrus_shadow_gr0;
- colors[0][1] = s->gr[0x10];
- colors[0][2] = s->gr[0x12];
- colors[1][0] = s->cirrus_shadow_gr1;
- colors[1][1] = s->gr[0x11];
- colors[1][2] = s->gr[0x13];
-
- bitmask = 0x80 << srcskipleft;
- bits = *src++;
- for (x = 0; x < count; x++) {
- if ((bitmask & 0xff) == 0) {
- bitmask = 0x80;
- bits = *src++;
- }
- index = !!(bits & bitmask);
- *dst++ = colors[index][0];
- *dst++ = colors[index][1];
- *dst++ = colors[index][2];
- bitmask >>= 1;
- }
-}
+#define ROP_NAME 1
+#define ROP_OP(d, s) d = 0xff
+#include "cirrus_vga_rop.h"
+
+#define ROP_NAME notsrc_and_dst
+#define ROP_OP(d, s) d = (~(s)) & (d)
+#include "cirrus_vga_rop.h"
+
+#define ROP_NAME src_xor_dst
+#define ROP_OP(d, s) d = (s) ^ (d)
+#include "cirrus_vga_rop.h"
+
+#define ROP_NAME src_or_dst
+#define ROP_OP(d, s) d = (s) | (d)
+#include "cirrus_vga_rop.h"
+
+#define ROP_NAME notsrc_or_notdst
+#define ROP_OP(d, s) d = (~(s)) | (~(d))
+#include "cirrus_vga_rop.h"
+
+#define ROP_NAME src_notxor_dst
+#define ROP_OP(d, s) d = ~((s) ^ (d))
+#include "cirrus_vga_rop.h"
-static void
-cirrus_colorexpand_32(CirrusVGAState * s, uint8_t * dst,
- const uint8_t * src, int count)
+#define ROP_NAME src_or_notdst
+#define ROP_OP(d, s) d = (s) | (~(d))
+#include "cirrus_vga_rop.h"
+
+#define ROP_NAME notsrc
+#define ROP_OP(d, s) d = (~(s))
+#include "cirrus_vga_rop.h"
+
+#define ROP_NAME notsrc_or_dst
+#define ROP_OP(d, s) d = (~(s)) | (d)
+#include "cirrus_vga_rop.h"
+
+#define ROP_NAME notsrc_and_notdst
+#define ROP_OP(d, s) d = (~(s)) & (~(d))
+#include "cirrus_vga_rop.h"
+
+static const cirrus_bitblt_rop_t cirrus_fwd_rop[16] = {
+ cirrus_bitblt_rop_fwd_0,
+ cirrus_bitblt_rop_fwd_src_and_dst,
+ cirrus_bitblt_rop_nop,
+ cirrus_bitblt_rop_fwd_src_and_notdst,
+ cirrus_bitblt_rop_fwd_notdst,
+ cirrus_bitblt_rop_fwd_src,
+ cirrus_bitblt_rop_fwd_1,
+ cirrus_bitblt_rop_fwd_notsrc_and_dst,
+ cirrus_bitblt_rop_fwd_src_xor_dst,
+ cirrus_bitblt_rop_fwd_src_or_dst,
+ cirrus_bitblt_rop_fwd_notsrc_or_notdst,
+ cirrus_bitblt_rop_fwd_src_notxor_dst,
+ cirrus_bitblt_rop_fwd_src_or_notdst,
+ cirrus_bitblt_rop_fwd_notsrc,
+ cirrus_bitblt_rop_fwd_notsrc_or_dst,
+ cirrus_bitblt_rop_fwd_notsrc_and_notdst,
+};
+
+static const cirrus_bitblt_rop_t cirrus_bkwd_rop[16] = {
+ cirrus_bitblt_rop_bkwd_0,
+ cirrus_bitblt_rop_bkwd_src_and_dst,
+ cirrus_bitblt_rop_nop,
+ cirrus_bitblt_rop_bkwd_src_and_notdst,
+ cirrus_bitblt_rop_bkwd_notdst,
+ cirrus_bitblt_rop_bkwd_src,
+ cirrus_bitblt_rop_bkwd_1,
+ cirrus_bitblt_rop_bkwd_notsrc_and_dst,
+ cirrus_bitblt_rop_bkwd_src_xor_dst,
+ cirrus_bitblt_rop_bkwd_src_or_dst,
+ cirrus_bitblt_rop_bkwd_notsrc_or_notdst,
+ cirrus_bitblt_rop_bkwd_src_notxor_dst,
+ cirrus_bitblt_rop_bkwd_src_or_notdst,
+ cirrus_bitblt_rop_bkwd_notsrc,
+ cirrus_bitblt_rop_bkwd_notsrc_or_dst,
+ cirrus_bitblt_rop_bkwd_notsrc_and_notdst,
+};
+
+#define ROP2(name) {\
+ name ## _8,\
+ name ## _16,\
+ name ## _24,\
+ name ## _32,\
+ }
+
+#define ROP_NOP2(func) {\
+ func,\
+ func,\
+ func,\
+ func,\
+ }
+
+static const cirrus_bitblt_rop_t cirrus_colorexpand_transp[16][4] = {
+ ROP2(cirrus_colorexpand_transp_0),
+ ROP2(cirrus_colorexpand_transp_src_and_dst),
+ ROP_NOP2(cirrus_bitblt_rop_nop),
+ ROP2(cirrus_colorexpand_transp_src_and_notdst),
+ ROP2(cirrus_colorexpand_transp_notdst),
+ ROP2(cirrus_colorexpand_transp_src),
+ ROP2(cirrus_colorexpand_transp_1),
+ ROP2(cirrus_colorexpand_transp_notsrc_and_dst),
+ ROP2(cirrus_colorexpand_transp_src_xor_dst),
+ ROP2(cirrus_colorexpand_transp_src_or_dst),
+ ROP2(cirrus_colorexpand_transp_notsrc_or_notdst),
+ ROP2(cirrus_colorexpand_transp_src_notxor_dst),
+ ROP2(cirrus_colorexpand_transp_src_or_notdst),
+ ROP2(cirrus_colorexpand_transp_notsrc),
+ ROP2(cirrus_colorexpand_transp_notsrc_or_dst),
+ ROP2(cirrus_colorexpand_transp_notsrc_and_notdst),
+};
+
+static const cirrus_bitblt_rop_t cirrus_colorexpand[16][4] = {
+ ROP2(cirrus_colorexpand_0),
+ ROP2(cirrus_colorexpand_src_and_dst),
+ ROP_NOP2(cirrus_bitblt_rop_nop),
+ ROP2(cirrus_colorexpand_src_and_notdst),
+ ROP2(cirrus_colorexpand_notdst),
+ ROP2(cirrus_colorexpand_src),
+ ROP2(cirrus_colorexpand_1),
+ ROP2(cirrus_colorexpand_notsrc_and_dst),
+ ROP2(cirrus_colorexpand_src_xor_dst),
+ ROP2(cirrus_colorexpand_src_or_dst),
+ ROP2(cirrus_colorexpand_notsrc_or_notdst),
+ ROP2(cirrus_colorexpand_src_notxor_dst),
+ ROP2(cirrus_colorexpand_src_or_notdst),
+ ROP2(cirrus_colorexpand_notsrc),
+ ROP2(cirrus_colorexpand_notsrc_or_dst),
+ ROP2(cirrus_colorexpand_notsrc_and_notdst),
+};
+
+static const cirrus_fill_t cirrus_fill[16][4] = {
+ ROP2(cirrus_fill_0),
+ ROP2(cirrus_fill_src_and_dst),
+ ROP_NOP2(cirrus_bitblt_fill_nop),
+ ROP2(cirrus_fill_src_and_notdst),
+ ROP2(cirrus_fill_notdst),
+ ROP2(cirrus_fill_src),
+ ROP2(cirrus_fill_1),
+ ROP2(cirrus_fill_notsrc_and_dst),
+ ROP2(cirrus_fill_src_xor_dst),
+ ROP2(cirrus_fill_src_or_dst),
+ ROP2(cirrus_fill_notsrc_or_notdst),
+ ROP2(cirrus_fill_src_notxor_dst),
+ ROP2(cirrus_fill_src_or_notdst),
+ ROP2(cirrus_fill_notsrc),
+ ROP2(cirrus_fill_notsrc_or_dst),
+ ROP2(cirrus_fill_notsrc_and_notdst),
+};
+
+static inline void cirrus_bitblt_fgcol(CirrusVGAState *s)
{
- int x;
- uint8_t colors[2][4];
- unsigned bits;
- unsigned bitmask;
- unsigned index;
- int srcskipleft = 0;
-
- colors[0][0] = s->cirrus_shadow_gr0;
- colors[0][1] = s->gr[0x10];
- colors[0][2] = s->gr[0x12];
- colors[0][3] = s->gr[0x14];
- colors[1][0] = s->cirrus_shadow_gr1;
- colors[1][1] = s->gr[0x11];
- colors[1][2] = s->gr[0x13];
- colors[1][3] = s->gr[0x15];
-
- bitmask = 0x80 << srcskipleft;
- bits = *src++;
- for (x = 0; x < count; x++) {
- if ((bitmask & 0xff) == 0) {
- bitmask = 0x80;
- bits = *src++;
- }
- index = !!(bits & bitmask);
- *dst++ = colors[index][0];
- *dst++ = colors[index][1];
- *dst++ = colors[index][2];
- *dst++ = colors[index][3];
- bitmask >>= 1;
+ unsigned int color;
+ switch (s->cirrus_blt_pixelwidth) {
+ case 1:
+ s->cirrus_blt_fgcol = s->cirrus_shadow_gr1;
+ break;
+ case 2:
+ color = s->cirrus_shadow_gr1 | (s->gr[0x11] << 8);
+ s->cirrus_blt_fgcol = le16_to_cpu(color);
+ break;
+ case 3:
+ s->cirrus_blt_fgcol = s->cirrus_shadow_gr1 |
+ (s->gr[0x11] << 8) | (s->gr[0x13] << 16);
+ break;
+ default:
+ case 4:
+ color = s->cirrus_shadow_gr1 | (s->gr[0x11] << 8) |
+ (s->gr[0x13] << 16) | (s->gr[0x15] << 24);
+ s->cirrus_blt_fgcol = le32_to_cpu(color);
+ break;
}
}
-static void
-cirrus_colorexpand(CirrusVGAState * s, uint8_t * dst, const uint8_t * src,
- int count)
+static inline void cirrus_bitblt_bgcol(CirrusVGAState *s)
{
+ unsigned int color;
switch (s->cirrus_blt_pixelwidth) {
case 1:
- cirrus_colorexpand_8(s, dst, src, count);
- break;
+ s->cirrus_blt_bgcol = s->cirrus_shadow_gr0;
+ break;
case 2:
- cirrus_colorexpand_16(s, dst, src, count);
- break;
+ color = s->cirrus_shadow_gr0 | (s->gr[0x10] << 8);
+ s->cirrus_blt_bgcol = le16_to_cpu(color);
+ break;
case 3:
- cirrus_colorexpand_24(s, dst, src, count);
- break;
- case 4:
- cirrus_colorexpand_32(s, dst, src, count);
- break;
+ s->cirrus_blt_bgcol = s->cirrus_shadow_gr0 |
+ (s->gr[0x10] << 8) | (s->gr[0x12] << 16);
+ break;
default:
-#ifdef DEBUG_CIRRUS
- printf("cirrus: COLOREXPAND pixelwidth %d - unimplemented\n",
- s->cirrus_blt_pixelwidth);
-#endif
- break;
+ case 4:
+ color = s->cirrus_shadow_gr0 | (s->gr[0x10] << 8) |
+ (s->gr[0x12] << 16) | (s->gr[0x14] << 24);
+ s->cirrus_blt_bgcol = le32_to_cpu(color);
+ break;
}
}
@@ -626,8 +541,6 @@ static void cirrus_invalidate_region(CirrusVGAState * s, int off_begin,
}
}
-
-
static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s,
const uint8_t * src)
{
@@ -639,12 +552,16 @@ static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s,
int patternbytes = s->cirrus_blt_pixelwidth * 8;
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
- cirrus_colorexpand(s, work_colorexp, src, 8 * 8);
+ cirrus_bitblt_rop_t rop_func;
+ cirrus_bitblt_fgcol(s);
+ cirrus_bitblt_bgcol(s);
+ rop_func = cirrus_colorexpand[CIRRUS_ROP_SRC_INDEX][s->cirrus_blt_pixelwidth - 1];
+ rop_func(s, work_colorexp, src, patternbytes, 1, patternbytes, 8);
src = work_colorexp;
s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_COLOREXPAND;
}
if (s->cirrus_blt_mode & ~CIRRUS_BLTMODE_PATTERNCOPY) {
-#ifdef DEBUG_CIRRUS
+#ifdef DEBUG_BITBLT
printf("cirrus: blt mode %02x (pattercopy) - unimplemented\n",
s->cirrus_blt_mode);
#endif
@@ -657,7 +574,7 @@ static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s,
tileheight = qemu_MIN(8, s->cirrus_blt_height - y);
for (x = 0; x < s->cirrus_blt_width; x += patternbytes) {
tilewidth = qemu_MIN(patternbytes, s->cirrus_blt_width - x);
- (*s->cirrus_rop) (dstc, src,
+ (*s->cirrus_rop) (s, dstc, src,
s->cirrus_blt_dstpitch, patternbytes,
tilewidth, tileheight);
dstc += patternbytes;
@@ -672,111 +589,14 @@ static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s,
/* fill */
-static void cirrus_fill_8(CirrusVGAState *s,
- uint8_t *dst, int dst_pitch, int width, int height)
+static int cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop)
{
- uint8_t *d, *d1;
- uint32_t val;
- int x, y;
+ cirrus_fill_t rop_func;
- val = s->cirrus_shadow_gr1;
-
- d1 = dst;
- for(y = 0; y < height; y++) {
- d = d1;
- for(x = 0; x < width; x++) {
- *d++ = val;
- }
- d1 += dst_pitch;
- }
-}
-
-static void cirrus_fill_16(CirrusVGAState *s,
- uint8_t *dst, int dst_pitch, int width, int height)
-{
- uint8_t *d, *d1;
- uint32_t val;
- int x, y;
-
- val = s->cirrus_shadow_gr1 | (s->gr[0x11] << 8);
- val = le16_to_cpu(val);
- width >>= 1;
-
- d1 = dst;
- for(y = 0; y < height; y++) {
- d = d1;
- for(x = 0; x < width; x++) {
- ((uint16_t *)d)[0] = val;
- d += 2;
- }
- d1 += dst_pitch;
- }
-}
-
-static void cirrus_fill_24(CirrusVGAState *s,
- uint8_t *dst, int dst_pitch, int width, int height)
-{
- uint8_t *d, *d1;
- int x, y;
-
- d1 = dst;
- for(y = 0; y < height; y++) {
- d = d1;
- for(x = 0; x < width; x += 3) {
- *d++ = s->cirrus_shadow_gr1;
- *d++ = s->gr[0x11];
- *d++ = s->gr[0x13];
- }
- d1 += dst_pitch;
- }
-}
-
-static void cirrus_fill_32(CirrusVGAState *s,
- uint8_t *dst, int dst_pitch, int width, int height)
-{
- uint8_t *d, *d1;
- uint32_t val;
- int x, y;
-
- val = s->cirrus_shadow_gr1 | (s->gr[0x11] << 8) |
- (s->gr[0x13] << 8) | (s->gr[0x15] << 8);
- val = le32_to_cpu(val);
- width >>= 2;
-
- d1 = dst;
- for(y = 0; y < height; y++) {
- d = d1;
- for(x = 0; x < width; x++) {
- ((uint32_t *)d)[0] = val;
- d += 4;
- }
- d1 += dst_pitch;
- }
-}
-
-static int cirrus_bitblt_solidfill(CirrusVGAState *s)
-{
- uint8_t *dst;
- dst = s->vram_ptr + s->cirrus_blt_dstaddr;
- switch (s->cirrus_blt_pixelwidth) {
- case 1:
- cirrus_fill_8(s, dst, s->cirrus_blt_dstpitch,
- s->cirrus_blt_width, s->cirrus_blt_height);
- break;
- case 2:
- cirrus_fill_16(s, dst, s->cirrus_blt_dstpitch,
- s->cirrus_blt_width, s->cirrus_blt_height);
- break;
- case 3:
- cirrus_fill_24(s, dst, s->cirrus_blt_dstpitch,
- s->cirrus_blt_width, s->cirrus_blt_height);
- break;
- default:
- case 4:
- cirrus_fill_32(s, dst, s->cirrus_blt_dstpitch,
- s->cirrus_blt_width, s->cirrus_blt_height);
- break;
- }
+ rop_func = cirrus_fill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
+ rop_func(s, s->vram_ptr + s->cirrus_blt_dstaddr,
+ s->cirrus_blt_dstpitch,
+ s->cirrus_blt_width, s->cirrus_blt_height);
cirrus_invalidate_region(s, s->cirrus_blt_dstaddr,
s->cirrus_blt_dstpitch, s->cirrus_blt_width,
s->cirrus_blt_height);
@@ -799,21 +619,7 @@ static int cirrus_bitblt_videotovideo_patterncopy(CirrusVGAState * s)
static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s)
{
- if ((s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) != 0) {
-#ifdef DEBUG_CIRRUS
- printf("cirrus: CIRRUS_BLTMODE_COLOREXPAND - unimplemented\n");
-#endif
- return 0;
- }
- if ((s->cirrus_blt_mode & (~CIRRUS_BLTMODE_BACKWARDS)) != 0) {
-#ifdef DEBUG_CIRRUS
- printf("cirrus: blt mode %02x - unimplemented\n",
- s->cirrus_blt_mode);
-#endif
- return 0;
- }
-
- (*s->cirrus_rop) (s->vram_ptr + s->cirrus_blt_dstaddr,
+ (*s->cirrus_rop) (s, s->vram_ptr + s->cirrus_blt_dstaddr,
s->vram_ptr + s->cirrus_blt_srcaddr,
s->cirrus_blt_dstpitch, s->cirrus_blt_srcpitch,
s->cirrus_blt_width, s->cirrus_blt_height);
@@ -829,130 +635,38 @@ static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s)
*
***************************************/
-static void cirrus_bitblt_cputovideo_patterncopy(void *opaque)
-{
- CirrusVGAState *s = (CirrusVGAState *) opaque;
- int data_count;
-
- data_count = s->cirrus_srcptr - &s->cirrus_bltbuf[0];
-
- if (data_count > 0) {
- if (data_count != s->cirrus_srccounter) {
-#ifdef DEBUG_CIRRUS
- printf("cirrus: internal error\n");
-#endif
- } else {
- cirrus_bitblt_common_patterncopy(s, &s->cirrus_bltbuf[0]);
- }
- cirrus_bitblt_reset(s);
- }
-}
-
-static void cirrus_bitblt_cputovideo_copy(void *opaque)
-{
- CirrusVGAState *s = (CirrusVGAState *) opaque;
- int data_count;
- int data_avail;
- uint8_t work_colorexp[256];
- uint8_t *src_ptr = NULL;
- int src_avail = 0;
- int src_processing;
- int src_linepad = 0;
-
- if (s->cirrus_blt_height <= 0) {
- s->cirrus_srcptr = s->cirrus_srcptr_end;
- return;
- }
-
- s->cirrus_srcptr = &s->cirrus_bltbuf[0];
- while (1) {
- /* get BLT source. */
- if (src_avail <= 0) {
- data_count = s->cirrus_srcptr_end - s->cirrus_srcptr;
- if (data_count <= 0)
- break;
-
- if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
- if (s->cirrus_blt_mode & ~CIRRUS_BLTMODE_COLOREXPAND) {
-#ifdef DEBUG_CIRRUS
- printf("cirrus: unsupported\n");
-#endif
- cirrus_bitblt_reset(s);
- return;
- }
- data_avail = qemu_MIN(data_count, 256 / 32);
- cirrus_colorexpand(s, work_colorexp, s->cirrus_srcptr,
- data_avail * 8);
- src_ptr = &work_colorexp[0];
- src_avail = data_avail * 8 * s->cirrus_blt_pixelwidth;
- s->cirrus_srcptr += data_avail;
- src_linepad =
- ((s->cirrus_blt_width + 7) / 8) * 8 -
- s->cirrus_blt_width;
- src_linepad *= s->cirrus_blt_pixelwidth;
- } else {
- if (s->cirrus_blt_mode != 0) {
-#ifdef DEBUG_CIRRUS
- printf("cirrus: unsupported\n");
-#endif
- cirrus_bitblt_reset(s);
- return;
- }
- src_ptr = s->cirrus_srcptr;
- src_avail =
- data_count / s->cirrus_blt_pixelwidth *
- s->cirrus_blt_pixelwidth;
- s->cirrus_srcptr += src_avail;
- }
- if (src_avail <= 0)
- break;
- }
-
- /* 1-line BLT */
- src_processing =
- s->cirrus_blt_srcpitch - s->cirrus_blt_horz_counter;
- src_processing = qemu_MIN(src_avail, src_processing);
- (*s->cirrus_rop) (s->vram_ptr + s->cirrus_blt_dstaddr,
- src_ptr, 0, 0, src_processing, 1);
- cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, 0,
- src_processing, 1);
-
- s->cirrus_blt_dstaddr += src_processing;
- src_ptr += src_processing;
- src_avail -= src_processing;
- s->cirrus_blt_horz_counter += src_processing;
- if (s->cirrus_blt_horz_counter >= s->cirrus_blt_srcpitch) {
- src_ptr += src_linepad;
- src_avail -= src_linepad;
- s->cirrus_blt_dstaddr +=
- s->cirrus_blt_dstpitch - s->cirrus_blt_srcpitch;
- s->cirrus_blt_horz_counter = 0;
- s->cirrus_blt_height--;
- if (s->cirrus_blt_height <= 0) {
- s->cirrus_srcptr = s->cirrus_srcptr_end;
- return;
- }
- }
- }
-}
-
static void cirrus_bitblt_cputovideo_next(CirrusVGAState * s)
{
int copy_count;
- int avail_count;
-
- s->cirrus_blt_handler(s);
-
+ uint8_t *end_ptr;
+
if (s->cirrus_srccounter > 0) {
- s->cirrus_srccounter -= s->cirrus_srcptr - &s->cirrus_bltbuf[0];
- copy_count = s->cirrus_srcptr_end - s->cirrus_srcptr;
- memmove(&s->cirrus_bltbuf[0], s->cirrus_srcptr, copy_count);
- avail_count = qemu_MIN(CIRRUS_BLTBUFSIZE, s->cirrus_srccounter);
- s->cirrus_srcptr = &s->cirrus_bltbuf[0];
- s->cirrus_srcptr_end = s->cirrus_srcptr + avail_count;
- if (s->cirrus_srccounter <= 0) {
- cirrus_bitblt_reset(s);
- }
+ if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
+ cirrus_bitblt_common_patterncopy(s, s->cirrus_bltbuf);
+ the_end:
+ s->cirrus_srccounter = 0;
+ cirrus_bitblt_reset(s);
+ } else {
+ /* at least one scan line */
+ do {
+ (*s->cirrus_rop)(s, s->vram_ptr + s->cirrus_blt_dstaddr,
+ s->cirrus_bltbuf, 0, 0, s->cirrus_blt_width, 1);
+ cirrus_invalidate_region(s, s->cirrus_blt_dstaddr, 0,
+ s->cirrus_blt_width, 1);
+ s->cirrus_blt_dstaddr += s->cirrus_blt_dstpitch;
+ s->cirrus_srccounter -= s->cirrus_blt_srcpitch;
+ if (s->cirrus_srccounter <= 0)
+ goto the_end;
+ /* more bytes than needed can be transfered because of
+ word alignment, so we keep them for the next line */
+ /* XXX: keep alignment to speed up transfer */
+ end_ptr = s->cirrus_bltbuf + s->cirrus_blt_srcpitch;
+ copy_count = s->cirrus_srcptr_end - end_ptr;
+ memmove(s->cirrus_bltbuf, end_ptr, copy_count);
+ s->cirrus_srcptr = s->cirrus_bltbuf + copy_count;
+ s->cirrus_srcptr_end = s->cirrus_bltbuf + s->cirrus_blt_srcpitch;
+ } while (s->cirrus_srcptr >= s->cirrus_srcptr_end);
+ }
}
}
@@ -972,49 +686,44 @@ static void cirrus_bitblt_reset(CirrusVGAState * s)
s->cirrus_dstptr = &s->cirrus_bltbuf[0];
s->cirrus_dstptr_end = &s->cirrus_bltbuf[0];
s->cirrus_dstcounter = 0;
- s->cirrus_blt_handler = NULL;
}
static int cirrus_bitblt_cputovideo(CirrusVGAState * s)
{
+ int w;
+
s->cirrus_blt_mode &= ~CIRRUS_BLTMODE_MEMSYSSRC;
s->cirrus_srcptr = &s->cirrus_bltbuf[0];
s->cirrus_srcptr_end = &s->cirrus_bltbuf[0];
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_PATTERNCOPY) {
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
- s->cirrus_srccounter = 8;
+ s->cirrus_blt_srcpitch = 8;
} else {
- s->cirrus_srccounter = 8 * 8 * s->cirrus_blt_pixelwidth;
+ s->cirrus_blt_srcpitch = 8 * 8 * s->cirrus_blt_pixelwidth;
}
- s->cirrus_blt_srcpitch = 0;
- s->cirrus_blt_handler = cirrus_bitblt_cputovideo_patterncopy;
+ s->cirrus_srccounter = s->cirrus_blt_srcpitch;
} else {
if (s->cirrus_blt_mode & CIRRUS_BLTMODE_COLOREXPAND) {
- s->cirrus_srccounter =
- ((s->cirrus_blt_width + 7) / 8) * s->cirrus_blt_height;
- s->cirrus_blt_srcpitch =
- s->cirrus_blt_width * s->cirrus_blt_pixelwidth;
+ w = s->cirrus_blt_width / s->cirrus_blt_pixelwidth;
+ if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_DWORDGRANULARITY)
+ s->cirrus_blt_srcpitch = ((w + 31) >> 5);
+ else
+ s->cirrus_blt_srcpitch = ((w + 7) >> 3);
} else {
- s->cirrus_srccounter =
- s->cirrus_blt_width * s->cirrus_blt_height;
s->cirrus_blt_srcpitch = s->cirrus_blt_width;
}
- /* 4-byte alignment */
- s->cirrus_srccounter = (s->cirrus_srccounter + 3) & (~3);
-
- s->cirrus_blt_handler = cirrus_bitblt_cputovideo_copy;
- s->cirrus_blt_horz_counter = 0;
+ s->cirrus_srccounter = s->cirrus_blt_srcpitch * s->cirrus_blt_height;
}
-
- cirrus_bitblt_cputovideo_next(s);
+ s->cirrus_srcptr = s->cirrus_bltbuf;
+ s->cirrus_srcptr_end = s->cirrus_bltbuf + s->cirrus_blt_srcpitch;
return 1;
}
static int cirrus_bitblt_videotocpu(CirrusVGAState * s)
{
/* XXX */
-#ifdef DEBUG_CIRRUS
+#ifdef DEBUG_BITBLT
printf("cirrus: bitblt (video to cpu) is not implemented yet\n");
#endif
return 0;
@@ -1029,7 +738,6 @@ static int cirrus_bitblt_videotovideo(CirrusVGAState * s)
} else {
ret = cirrus_bitblt_videotovideo_copy(s);
}
-
if (ret)
cirrus_bitblt_reset(s);
return ret;
@@ -1039,6 +747,8 @@ static void cirrus_bitblt_start(CirrusVGAState * s)
{
uint8_t blt_rop;
+ s->gr[0x31] |= CIRRUS_BLT_BUSY;
+
s->cirrus_blt_width = (s->gr[0x20] | (s->gr[0x21] << 8)) + 1;
s->cirrus_blt_height = (s->gr[0x22] | (s->gr[0x23] << 8)) + 1;
s->cirrus_blt_dstpitch = (s->gr[0x24] | (s->gr[0x25] << 8));
@@ -1048,19 +758,21 @@ static void cirrus_bitblt_start(CirrusVGAState * s)
s->cirrus_blt_srcaddr =
(s->gr[0x2c] | (s->gr[0x2d] << 8) | (s->gr[0x2e] << 16));
s->cirrus_blt_mode = s->gr[0x30];
+ s->cirrus_blt_modeext = s->gr[0x33];
blt_rop = s->gr[0x32];
#ifdef DEBUG_BITBLT
- printf("rop=%02x mode=%02x modeext=%02x w=%d h=%d dpitch=%d spicth=%d daddr=%08x saddr=%08x\n",
+ printf("rop=0x%02x mode=0x%02x modeext=0x%02x w=%d h=%d dpitch=%d spicth=%d daddr=0x%08x saddr=0x%08x writemask=0x%02x\n",
blt_rop,
s->cirrus_blt_mode,
- s->gr[0x33],
+ s->cirrus_blt_modeext,
s->cirrus_blt_width,
s->cirrus_blt_height,
s->cirrus_blt_dstpitch,
s->cirrus_blt_srcpitch,
s->cirrus_blt_dstaddr,
- s->cirrus_blt_srcaddr);
+ s->cirrus_blt_srcaddr,
+ s->sr[0x2f]);
#endif
switch (s->cirrus_blt_mode & CIRRUS_BLTMODE_PIXELWIDTHMASK) {
@@ -1077,7 +789,7 @@ static void cirrus_bitblt_start(CirrusVGAState * s)
s->cirrus_blt_pixelwidth = 4;
break;
default:
-#ifdef DEBUG_CIRRUS
+#ifdef DEBUG_BITBLT
printf("cirrus: bitblt - pixel width is unknown\n");
#endif
goto bitblt_ignore;
@@ -1088,26 +800,41 @@ static void cirrus_bitblt_start(CirrusVGAState * s)
cirrus_blt_mode & (CIRRUS_BLTMODE_MEMSYSSRC |
CIRRUS_BLTMODE_MEMSYSDEST))
== (CIRRUS_BLTMODE_MEMSYSSRC | CIRRUS_BLTMODE_MEMSYSDEST)) {
-#ifdef DEBUG_CIRRUS
+#ifdef DEBUG_BITBLT
printf("cirrus: bitblt - memory-to-memory copy is requested\n");
#endif
goto bitblt_ignore;
}
- if ((s->gr[0x33] & CIRRUS_BLTMODEEXT_SOLIDFILL) &&
+ if ((s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_SOLIDFILL) &&
(s->cirrus_blt_mode & (CIRRUS_BLTMODE_MEMSYSDEST |
CIRRUS_BLTMODE_TRANSPARENTCOMP |
CIRRUS_BLTMODE_PATTERNCOPY |
CIRRUS_BLTMODE_COLOREXPAND)) ==
(CIRRUS_BLTMODE_PATTERNCOPY | CIRRUS_BLTMODE_COLOREXPAND)) {
- cirrus_bitblt_solidfill(s);
+ cirrus_bitblt_fgcol(s);
+ cirrus_bitblt_solidfill(s, blt_rop);
} else {
- if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
- s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
- s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch;
- s->cirrus_rop = cirrus_get_bkwd_rop_handler(blt_rop);
+ if ((s->cirrus_blt_mode & (CIRRUS_BLTMODE_COLOREXPAND |
+ CIRRUS_BLTMODE_PATTERNCOPY)) ==
+ CIRRUS_BLTMODE_COLOREXPAND) {
+
+ if (s->cirrus_blt_mode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
+ cirrus_bitblt_fgcol(s);
+ s->cirrus_rop = cirrus_colorexpand_transp[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
+ } else {
+ cirrus_bitblt_fgcol(s);
+ cirrus_bitblt_bgcol(s);
+ s->cirrus_rop = cirrus_colorexpand[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
+ }
} else {
- s->cirrus_rop = cirrus_get_fwd_rop_handler(blt_rop);
+ if (s->cirrus_blt_mode & CIRRUS_BLTMODE_BACKWARDS) {
+ s->cirrus_blt_dstpitch = -s->cirrus_blt_dstpitch;
+ s->cirrus_blt_srcpitch = -s->cirrus_blt_srcpitch;
+ s->cirrus_rop = cirrus_bkwd_rop[rop_to_index[blt_rop]];
+ } else {
+ s->cirrus_rop = cirrus_fwd_rop[rop_to_index[blt_rop]];
+ }
}
// setup bitblt engine.
@@ -1139,7 +866,6 @@ static void cirrus_write_bitblt(CirrusVGAState * s, unsigned reg_value)
cirrus_bitblt_reset(s);
} else if (((old_value & CIRRUS_BLT_START) == 0) &&
((reg_value & CIRRUS_BLT_START) != 0)) {
- s->gr[0x31] |= CIRRUS_BLT_BUSY;
cirrus_bitblt_start(s);
}
}
@@ -1312,6 +1038,7 @@ cirrus_hook_read_sr(CirrusVGAState * s, unsigned reg_index, int *reg_value)
case 0x91:
case 0xb1:
case 0xd1:
+ case 0xf1: // Graphics Cursor Y
*reg_value = s->sr[0x11];
break;
case 0x05: // ???
@@ -1324,7 +1051,6 @@ cirrus_hook_read_sr(CirrusVGAState * s, unsigned reg_index, int *reg_value)
case 0x0d: // VCLK 2
case 0x0e: // VCLK 3
case 0x0f: // DRAM Control
- case 0xf1: // Graphics Cursor Y
case 0x12: // Graphics Cursor Attribute
case 0x13: // Graphics Cursor Pattern Address
case 0x14: // Scratch Register 2
@@ -1382,7 +1108,7 @@ cirrus_hook_write_sr(CirrusVGAState * s, unsigned reg_index, int reg_value)
case 0xd0:
case 0xf0: // Graphics Cursor X
s->sr[0x10] = reg_value;
- s->cirrus_hw_cursor_x = ((reg_index << 3) & 0x700) | reg_value;
+ s->hw_cursor_x = (reg_value << 3) | (reg_index >> 5);
break;
case 0x11:
case 0x31:
@@ -1393,7 +1119,7 @@ cirrus_hook_write_sr(CirrusVGAState * s, unsigned reg_index, int reg_value)
case 0xd1:
case 0xf1: // Graphics Cursor Y
s->sr[0x11] = reg_value;
- s->cirrus_hw_cursor_y = ((reg_index << 3) & 0x700) | reg_value;
+ s->hw_cursor_y = (reg_value << 3) | (reg_index >> 5);
break;
case 0x07: // Extended Sequencer Mode
case 0x08: // EEPROM Control
@@ -1471,13 +1197,9 @@ static int cirrus_hook_read_palette(CirrusVGAState * s, int *reg_value)
{
if (!(s->sr[0x12] & CIRRUS_CURSOR_HIDDENPEL))
return CIRRUS_HOOK_NOT_HANDLED;
- if (s->dac_read_index < 0x10) {
- *reg_value =
- s->cirrus_hidden_palette[s->dac_read_index * 3 +
- s->dac_sub_index];
- } else {
- *reg_value = 0xff; /* XXX */
- }
+ *reg_value =
+ s->cirrus_hidden_palette[(s->dac_read_index & 0x0f) * 3 +
+ s->dac_sub_index];
if (++s->dac_sub_index == 3) {
s->dac_sub_index = 0;
s->dac_read_index++;
@@ -1491,11 +1213,9 @@ static int cirrus_hook_write_palette(CirrusVGAState * s, int reg_value)
return CIRRUS_HOOK_NOT_HANDLED;
s->dac_cache[s->dac_sub_index] = reg_value;
if (++s->dac_sub_index == 3) {
- if (s->dac_read_index < 0x10) {
- memcpy(&s->cirrus_hidden_palette[s->dac_write_index * 3],
- s->dac_cache, 3);
- /* XXX update cursor */
- }
+ memcpy(&s->cirrus_hidden_palette[(s->dac_write_index & 0x0f) * 3],
+ s->dac_cache, 3);
+ /* XXX update cursor */
s->dac_sub_index = 0;
s->dac_write_index++;
}
@@ -1545,6 +1265,9 @@ cirrus_hook_read_gr(CirrusVGAState * s, unsigned reg_index, int *reg_value)
static int
cirrus_hook_write_gr(CirrusVGAState * s, unsigned reg_index, int reg_value)
{
+#if defined(DEBUG_BITBLT) && 0
+ printf("gr%02x: %02x\n", reg_index, reg_value);
+#endif
switch (reg_index) {
case 0x00: // Standard VGA, BGCOLOR 0x000000ff
s->cirrus_shadow_gr0 = reg_value;
@@ -1583,6 +1306,7 @@ cirrus_hook_write_gr(CirrusVGAState * s, unsigned reg_index, int reg_value)
case 0x29: // BLT DEST ADDR 0x00ff00
case 0x2c: // BLT SRC ADDR 0x0000ff
case 0x2d: // BLT SRC ADDR 0x00ff00
+ case 0x2f: // BLT WRITEMASK
case 0x30: // BLT MODE
case 0x32: // RASTER OP
case 0x33: // BLT MODEEXT
@@ -1599,6 +1323,12 @@ cirrus_hook_write_gr(CirrusVGAState * s, unsigned reg_index, int reg_value)
s->gr[reg_index] = reg_value & 0x1f;
break;
case 0x2a: // BLT DEST ADDR 0x3f0000
+ s->gr[reg_index] = reg_value & 0x3f;
+ /* if auto start mode, starts bit blt now */
+ if (s->gr[0x31] & CIRRUS_BLT_AUTOSTART) {
+ cirrus_bitblt_start(s);
+ }
+ break;
case 0x2e: // BLT SRC ADDR 0x3f0000
s->gr[reg_index] = reg_value & 0x3f;
break;
@@ -2111,7 +1841,7 @@ static void cirrus_vga_mem_writeb(void *opaque, target_phys_addr_t addr,
if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
/* bitblt */
*s->cirrus_srcptr++ = (uint8_t) mem_value;
- if (s->cirrus_srcptr == s->cirrus_srcptr_end) {
+ if (s->cirrus_srcptr >= s->cirrus_srcptr_end) {
cirrus_bitblt_cputovideo_next(s);
}
} else {
@@ -2196,6 +1926,176 @@ static CPUWriteMemoryFunc *cirrus_vga_mem_write[3] = {
/***************************************
*
+ * hardware cursor
+ *
+ ***************************************/
+
+static inline void invalidate_cursor1(CirrusVGAState *s)
+{
+ if (s->last_hw_cursor_size) {
+ vga_invalidate_scanlines((VGAState *)s,
+ s->last_hw_cursor_y + s->last_hw_cursor_y_start,
+ s->last_hw_cursor_y + s->last_hw_cursor_y_end);
+ }
+}
+
+static inline void cirrus_cursor_compute_yrange(CirrusVGAState *s)
+{
+ const uint8_t *src;
+ uint32_t content;
+ int y, y_min, y_max;
+
+ src = s->vram_ptr + 0x200000 - 16 * 1024;
+ if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) {
+ src += (s->sr[0x13] & 0x3c) * 256;
+ y_min = 64;
+ y_max = -1;
+ for(y = 0; y < 64; y++) {
+ content = ((uint32_t *)src)[0] |
+ ((uint32_t *)src)[1] |
+ ((uint32_t *)src)[2] |
+ ((uint32_t *)src)[3];
+ if (content) {
+ if (y < y_min)
+ y_min = y;
+ if (y > y_max)
+ y_max = y;
+ }
+ src += 16;
+ }
+ } else {
+ src += (s->sr[0x13] & 0x3f) * 256;
+ y_min = 32;
+ y_max = -1;
+ for(y = 0; y < 32; y++) {
+ content = ((uint32_t *)src)[0] |
+ ((uint32_t *)(src + 128))[0];
+ if (content) {
+ if (y < y_min)
+ y_min = y;
+ if (y > y_max)
+ y_max = y;
+ }
+ src += 4;
+ }
+ }
+ if (y_min > y_max) {
+ s->last_hw_cursor_y_start = 0;
+ s->last_hw_cursor_y_end = 0;
+ } else {
+ s->last_hw_cursor_y_start = y_min;
+ s->last_hw_cursor_y_end = y_max + 1;
+ }
+}
+
+/* NOTE: we do not currently handle the cursor bitmap change, so we
+ update the cursor only if it moves. */
+static void cirrus_cursor_invalidate(VGAState *s1)
+{
+ CirrusVGAState *s = (CirrusVGAState *)s1;
+ int size;
+
+ if (!s->sr[0x12] & CIRRUS_CURSOR_SHOW) {
+ size = 0;
+ } else {
+ if (s->sr[0x12] & CIRRUS_CURSOR_LARGE)
+ size = 64;
+ else
+ size = 32;
+ }
+ /* invalidate last cursor and new cursor if any change */
+ if (s->last_hw_cursor_size != size ||
+ s->last_hw_cursor_x != s->hw_cursor_x ||
+ s->last_hw_cursor_y != s->hw_cursor_y) {
+
+ invalidate_cursor1(s);
+
+ s->last_hw_cursor_size = size;
+ s->last_hw_cursor_x = s->hw_cursor_x;
+ s->last_hw_cursor_y = s->hw_cursor_y;
+ /* compute the real cursor min and max y */
+ cirrus_cursor_compute_yrange(s);
+ invalidate_cursor1(s);
+ }
+}
+
+static void cirrus_cursor_draw_line(VGAState *s1, uint8_t *d1, int scr_y)
+{
+ CirrusVGAState *s = (CirrusVGAState *)s1;
+ int w, h, bpp, x1, x2, poffset;
+ unsigned int color0, color1;
+ const uint8_t *palette, *src;
+ uint32_t content;
+
+ if (!(s->sr[0x12] & CIRRUS_CURSOR_SHOW))
+ return;
+ /* fast test to see if the cursor intersects with the scan line */
+ if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) {
+ h = 64;
+ } else {
+ h = 32;
+ }
+ if (scr_y < s->hw_cursor_y ||
+ scr_y >= (s->hw_cursor_y + h))
+ return;
+
+ src = s->vram_ptr + 0x200000 - 16 * 1024;
+ if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) {
+ src += (s->sr[0x13] & 0x3c) * 256;
+ src += (scr_y - s->hw_cursor_y) * 16;
+ poffset = 8;
+ content = ((uint32_t *)src)[0] |
+ ((uint32_t *)src)[1] |
+ ((uint32_t *)src)[2] |
+ ((uint32_t *)src)[3];
+ } else {
+ src += (s->sr[0x13] & 0x3f) * 256;
+ src += (scr_y - s->hw_cursor_y) * 4;
+ poffset = 128;
+ content = ((uint32_t *)src)[0] |
+ ((uint32_t *)(src + 128))[0];
+ }
+ /* if nothing to draw, no need to continue */
+ if (!content)
+ return;
+ w = h;
+
+ x1 = s->hw_cursor_x;
+ if (x1 >= s->last_scr_width)
+ return;
+ x2 = s->hw_cursor_x + w;
+ if (x2 > s->last_scr_width)
+ x2 = s->last_scr_width;
+ w = x2 - x1;
+ palette = s->cirrus_hidden_palette;
+ color0 = s->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->rgb_to_pixel(c6_to_8(palette[0xf * 3]),
+ c6_to_8(palette[0xf * 3 + 1]),
+ c6_to_8(palette[0xf * 3 + 2]));
+ bpp = ((s->ds->depth + 7) >> 3);
+ d1 += x1 * bpp;
+ switch(s->ds->depth) {
+ 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;
+ }
+}
+
+/***************************************
+ *
* LFB memory access
*
***************************************/
@@ -2272,7 +2172,7 @@ static void cirrus_linear_writeb(void *opaque, target_phys_addr_t addr,
} else if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
/* bitblt */
*s->cirrus_srcptr++ = (uint8_t) val;
- if (s->cirrus_srcptr == s->cirrus_srcptr_end) {
+ if (s->cirrus_srcptr >= s->cirrus_srcptr_end) {
cirrus_bitblt_cputovideo_next(s);
}
} else {
@@ -2339,6 +2239,107 @@ static CPUWriteMemoryFunc *cirrus_linear_write[3] = {
cirrus_linear_writel,
};
+/***************************************
+ *
+ * system to screen memory access
+ *
+ ***************************************/
+
+
+static uint32_t cirrus_linear_bitblt_readb(void *opaque, target_phys_addr_t addr)
+{
+ uint32_t ret;
+
+ /* XXX handle bitblt */
+ ret = 0xff;
+ return ret;
+}
+
+static uint32_t cirrus_linear_bitblt_readw(void *opaque, target_phys_addr_t addr)
+{
+ uint32_t v;
+#ifdef TARGET_WORDS_BIGENDIAN
+ v = cirrus_linear_bitblt_readb(opaque, addr) << 8;
+ v |= cirrus_linear_bitblt_readb(opaque, addr + 1);
+#else
+ v = cirrus_linear_bitblt_readb(opaque, addr);
+ v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 8;
+#endif
+ return v;
+}
+
+static uint32_t cirrus_linear_bitblt_readl(void *opaque, target_phys_addr_t addr)
+{
+ uint32_t v;
+#ifdef TARGET_WORDS_BIGENDIAN
+ v = cirrus_linear_bitblt_readb(opaque, addr) << 24;
+ v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 16;
+ v |= cirrus_linear_bitblt_readb(opaque, addr + 2) << 8;
+ v |= cirrus_linear_bitblt_readb(opaque, addr + 3);
+#else
+ v = cirrus_linear_bitblt_readb(opaque, addr);
+ v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 8;
+ v |= cirrus_linear_bitblt_readb(opaque, addr + 2) << 16;
+ v |= cirrus_linear_bitblt_readb(opaque, addr + 3) << 24;
+#endif
+ return v;
+}
+
+static void cirrus_linear_bitblt_writeb(void *opaque, target_phys_addr_t addr,
+ uint32_t val)
+{
+ CirrusVGAState *s = (CirrusVGAState *) opaque;
+
+ if (s->cirrus_srcptr != s->cirrus_srcptr_end) {
+ /* bitblt */
+ *s->cirrus_srcptr++ = (uint8_t) val;
+ if (s->cirrus_srcptr >= s->cirrus_srcptr_end) {
+ cirrus_bitblt_cputovideo_next(s);
+ }
+ }
+}
+
+static void cirrus_linear_bitblt_writew(void *opaque, target_phys_addr_t addr,
+ uint32_t val)
+{
+#ifdef TARGET_WORDS_BIGENDIAN
+ cirrus_linear_bitblt_writeb(opaque, addr, (val >> 8) & 0xff);
+ cirrus_linear_bitblt_writeb(opaque, addr + 1, val & 0xff);
+#else
+ cirrus_linear_bitblt_writeb(opaque, addr, val & 0xff);
+ cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 8) & 0xff);
+#endif
+}
+
+static void cirrus_linear_bitblt_writel(void *opaque, target_phys_addr_t addr,
+ uint32_t val)
+{
+#ifdef TARGET_WORDS_BIGENDIAN
+ cirrus_linear_bitblt_writeb(opaque, addr, (val >> 24) & 0xff);
+ cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 16) & 0xff);
+ cirrus_linear_bitblt_writeb(opaque, addr + 2, (val >> 8) & 0xff);
+ cirrus_linear_bitblt_writeb(opaque, addr + 3, val & 0xff);
+#else
+ cirrus_linear_bitblt_writeb(opaque, addr, val & 0xff);
+ cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 8) & 0xff);
+ cirrus_linear_bitblt_writeb(opaque, addr + 2, (val >> 16) & 0xff);
+ cirrus_linear_bitblt_writeb(opaque, addr + 3, (val >> 24) & 0xff);
+#endif
+}
+
+
+static CPUReadMemoryFunc *cirrus_linear_bitblt_read[3] = {
+ cirrus_linear_bitblt_readb,
+ cirrus_linear_bitblt_readw,
+ cirrus_linear_bitblt_readl,
+};
+
+static CPUWriteMemoryFunc *cirrus_linear_bitblt_write[3] = {
+ cirrus_linear_bitblt_writeb,
+ cirrus_linear_bitblt_writew,
+ cirrus_linear_bitblt_writel,
+};
+
/* I/O ports */
static uint32_t vga_ioport_read(void *opaque, uint32_t addr)
@@ -2691,7 +2692,30 @@ static CPUWriteMemoryFunc *cirrus_mmio_write[3] = {
static void cirrus_init_common(CirrusVGAState * s, int device_id)
{
- int vga_io_memory;
+ int vga_io_memory, i;
+ static int inited;
+
+ if (!inited) {
+ inited = 1;
+ for(i = 0;i < 256; i++)
+ rop_to_index[i] = CIRRUS_ROP_NOP_INDEX; /* nop rop */
+ rop_to_index[CIRRUS_ROP_0] = 0;
+ rop_to_index[CIRRUS_ROP_SRC_AND_DST] = 1;
+ rop_to_index[CIRRUS_ROP_NOP] = 2;
+ rop_to_index[CIRRUS_ROP_SRC_AND_NOTDST] = 3;
+ rop_to_index[CIRRUS_ROP_NOTDST] = 4;
+ rop_to_index[CIRRUS_ROP_SRC] = 5;
+ rop_to_index[CIRRUS_ROP_1] = 6;
+ rop_to_index[CIRRUS_ROP_NOTSRC_AND_DST] = 7;
+ rop_to_index[CIRRUS_ROP_SRC_XOR_DST] = 8;
+ rop_to_index[CIRRUS_ROP_SRC_OR_DST] = 9;
+ rop_to_index[CIRRUS_ROP_NOTSRC_OR_NOTDST] = 10;
+ rop_to_index[CIRRUS_ROP_SRC_NOTXOR_DST] = 11;
+ rop_to_index[CIRRUS_ROP_SRC_OR_NOTDST] = 12;
+ rop_to_index[CIRRUS_ROP_NOTSRC] = 13;
+ rop_to_index[CIRRUS_ROP_NOTSRC_OR_DST] = 14;
+ rop_to_index[CIRRUS_ROP_NOTSRC_AND_NOTDST] = 15;
+ }
register_ioport_write(0x3c0, 16, 1, vga_ioport_write, s);
@@ -2725,6 +2749,11 @@ static void cirrus_init_common(CirrusVGAState * s, int device_id)
s->cirrus_linear_io_addr =
cpu_register_io_memory(0, cirrus_linear_read, cirrus_linear_write,
s);
+ /* I/O handler for LFB */
+ s->cirrus_linear_bitblt_io_addr =
+ cpu_register_io_memory(0, cirrus_linear_bitblt_read, cirrus_linear_bitblt_write,
+ s);
+
/* I/O handler for memory-mapped I/O */
s->cirrus_mmio_io_addr =
cpu_register_io_memory(0, cirrus_mmio_read, cirrus_mmio_write, s);
@@ -2734,6 +2763,8 @@ static void cirrus_init_common(CirrusVGAState * s, int device_id)
s->get_bpp = cirrus_get_bpp;
s->get_offsets = cirrus_get_offsets;
+ s->cursor_invalidate = cirrus_cursor_invalidate;
+ s->cursor_draw_line = cirrus_cursor_draw_line;
}
/***************************************
@@ -2767,8 +2798,11 @@ static void cirrus_pci_lfb_map(PCIDevice *d, int region_num,
{
CirrusVGAState *s = &((PCICirrusVGAState *)d)->cirrus_vga;
+ /* XXX: add byte swapping apertures */
cpu_register_physical_memory(addr, s->vram_size,
s->cirrus_linear_io_addr);
+ cpu_register_physical_memory(addr + 0x1000000, 0x400000,
+ s->cirrus_linear_bitblt_io_addr);
}
static void cirrus_pci_mmio_map(PCIDevice *d, int region_num,
@@ -2815,7 +2849,7 @@ void pci_cirrus_vga_init(DisplayState *ds, uint8_t *vga_ram_base,
/* memory #0 LFB */
/* memory #1 memory-mapped I/O */
/* XXX: s->vram_size must be a power of two */
- pci_register_io_region((PCIDevice *)d, 0, s->vram_size,
+ pci_register_io_region((PCIDevice *)d, 0, 0x2000000,
PCI_ADDRESS_SPACE_MEM_PREFETCH, cirrus_pci_lfb_map);
if (device_id == CIRRUS_ID_CLGD5446) {
pci_register_io_region((PCIDevice *)d, 1, CIRRUS_PNPMMIO_SIZE,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 16:34:40 +0000