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Fixes for Dino and Artist.

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Merge remote-tracking branch 'remotes/rth/tags/pull-pa-20200218' into staging

Fixes for Dino and Artist.

# gpg: Signature made Tue 18 Feb 2020 19:35:09 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-pa-20200218:
  hw/hppa/dino: Do not accept accesses to registers 0x818 and 0x82c
  hw/hppa/dino: Fix bitmask for the PCIROR register
  hw/hppa/dino: Fix reg800_keep_bits overrun (CID 1419387 1419393 1419394)
  hw/hppa/dino: Add comments with register name
  hw/display/artist: Remove dead code (CID 1419388 & 1419389)
  hw/display/artist: Avoid drawing line when nothing to display
  hw/display/artist: Delay some variables initialization
  hw/display/artist: Remove pointless initialization
  hw/display/artist: Move trace event to draw_line()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2020-02-20 14:04:16 +00:00
parent 672f9d0df1 90e94c0591
commit 8cd7325f03
2 changed files with 26 additions and 34 deletions
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29
hw/display/artist.c
View file

@ -558,21 +558,17 @@ static void draw_line(ARTISTState *s, int x1, int y1, int x2, int y2,
bool update_start, int skip_pix, int max_pix)
{
struct vram_buffer *buf;
uint8_t color = artist_get_color(s);
uint8_t color;
int dx, dy, t, e, x, y, incy, diago, horiz;
bool c1;
uint8_t *p;
trace_artist_draw_line(x1, y1, x2, y2);
if (update_start) {
s->vram_start = (x2 << 16) | y2;
}
buf = &s->vram_buffer[ARTIST_BUFFER_AP];
c1 = false;
incy = 1;
if (x2 > x1) {
dx = x2 - x1;
} else {
@ -583,6 +579,11 @@ static void draw_line(ARTISTState *s, int x1, int y1, int x2, int y2,
} else {
dy = y1 - y2;
}
if (!dx || !dy) {
return;
}
c1 = false;
if (dy > dx) {
t = y2;
y2 = x2;
@ -620,6 +621,8 @@ static void draw_line(ARTISTState *s, int x1, int y1, int x2, int y2,
}
x = x1;
y = y1;
color = artist_get_color(s);
buf = &s->vram_buffer[ARTIST_BUFFER_AP];
do {
if (c1) {
@ -654,7 +657,6 @@ static void draw_line_pattern_start(ARTISTState *s)
int endy = artist_get_y(s->blockmove_size);
int pstart = s->line_pattern_start >> 16;
trace_artist_draw_line(startx, starty, endx, endy);
draw_line(s, startx, starty, endx, endy, false, -1, pstart);
s->line_pattern_skip = pstart;
}
@ -668,7 +670,6 @@ static void draw_line_pattern_next(ARTISTState *s)
int endy = artist_get_y(s->blockmove_size);
int line_xy = s->line_xy >> 16;
trace_artist_draw_line(startx, starty, endx, endy);
draw_line(s, startx, starty, endx, endy, false, s->line_pattern_skip,
s->line_pattern_skip + line_xy);
s->line_pattern_skip += line_xy;
@ -683,7 +684,6 @@ static void draw_line_size(ARTISTState *s, bool update_start)
int endx = artist_get_x(s->line_size);
int endy = artist_get_y(s->line_size);
trace_artist_draw_line(startx, starty, endx, endy);
draw_line(s, startx, starty, endx, endy, update_start, -1, -1);
}
@ -734,16 +734,6 @@ static void draw_line_xy(ARTISTState *s, bool update_start)
endy = 0;
}
if (endx < 0) {
return;
}
if (endy < 0) {
return;
}
trace_artist_draw_line(startx, starty, endx, endy);
draw_line(s, startx, starty, endx, endy, false, -1, -1);
}
@ -755,7 +745,6 @@ static void draw_line_end(ARTISTState *s, bool update_start)
int endx = artist_get_x(s->line_end);
int endy = artist_get_y(s->line_end);
trace_artist_draw_line(startx, starty, endx, endy);
draw_line(s, startx, starty, endx, endy, update_start, -1, -1);
}

31
hw/hppa/dino.c
View file

@ -83,20 +83,21 @@
#define DINO_PCI_HOST_BRIDGE(obj) \
OBJECT_CHECK(DinoState, (obj), TYPE_DINO_PCI_HOST_BRIDGE)
#define DINO800_REGS ((DINO_TLTIM - DINO_GMASK) / 4)
#define DINO800_REGS (1 + (DINO_TLTIM - DINO_GMASK) / 4)
static const uint32_t reg800_keep_bits[DINO800_REGS] = {
MAKE_64BIT_MASK(0, 1),
MAKE_64BIT_MASK(0, 7),
MAKE_64BIT_MASK(0, 7),
MAKE_64BIT_MASK(0, 8),
MAKE_64BIT_MASK(0, 7),
MAKE_64BIT_MASK(0, 9),
MAKE_64BIT_MASK(0, 32),
MAKE_64BIT_MASK(0, 8),
MAKE_64BIT_MASK(0, 30),
MAKE_64BIT_MASK(0, 25),
MAKE_64BIT_MASK(0, 22),
MAKE_64BIT_MASK(0, 9),
MAKE_64BIT_MASK(0, 1), /* GMASK */
MAKE_64BIT_MASK(0, 7), /* PAMR */
MAKE_64BIT_MASK(0, 7), /* PAPR */
MAKE_64BIT_MASK(0, 8), /* DAMODE */
MAKE_64BIT_MASK(0, 7), /* PCICMD */
MAKE_64BIT_MASK(0, 9), /* PCISTS */
MAKE_64BIT_MASK(0, 32), /* Undefined */
MAKE_64BIT_MASK(0, 8), /* MLTIM */
MAKE_64BIT_MASK(0, 30), /* BRDG_FEAT */
MAKE_64BIT_MASK(0, 24), /* PCIROR */
MAKE_64BIT_MASK(0, 22), /* PCIWOR */
MAKE_64BIT_MASK(0, 32), /* Undocumented */
MAKE_64BIT_MASK(0, 9), /* TLTIM */
};
typedef struct DinoState {
@ -180,7 +181,9 @@ static bool dino_chip_mem_valid(void *opaque, hwaddr addr,
case DINO_IO_ADDR_EN:
case DINO_PCI_IO_DATA:
case DINO_TOC_ADDR:
case DINO_GMASK ... DINO_TLTIM:
case DINO_GMASK ... DINO_PCISTS:
case DINO_MLTIM ... DINO_PCIWOR:
case DINO_TLTIM:
ret = true;
break;
case DINO_PCI_IO_DATA + 2: