diff options
| -rwxr-xr-x | rc/bin/xargs | 2 | ||||
| -rw-r--r-- | sys/src/cmd/aux/icanhasmsi.c | 60 | ||||
| -rw-r--r-- | sys/src/games/xs.c | 4 |
3 files changed, 64 insertions, 2 deletions
diff --git a/rc/bin/xargs b/rc/bin/xargs index 0387f2712..4255b3440 100755 --- a/rc/bin/xargs +++ b/rc/bin/xargs @@ -19,3 +19,5 @@ while(~ $1 -*) { } while(x = `{read -n $nargs}) $* $x +if(! ~ $#x 0) + $* $x diff --git a/sys/src/cmd/aux/icanhasmsi.c b/sys/src/cmd/aux/icanhasmsi.c new file mode 100644 index 000000000..eac4acc57 --- /dev/null +++ b/sys/src/cmd/aux/icanhasmsi.c @@ -0,0 +1,60 @@ +#include <u.h> +#include <libc.h> + +int +pcicfg16r(int fd, ushort *s, vlong offset) +{ + char buf[2]; + + if(pread(fd, buf, 2, offset) < 2) return -1; + *s = buf[0] | (buf[1] << 8); + return 0; +} + +void +main() +{ + int fd; + long n; + Dir *dir; + char *p, *s; + uchar cap, c; + ushort sh; + + fd = open("/dev/pci", OREAD); + if(fd < 0) sysfatal("open /dev/pci: %r"); + n = dirreadall(fd, &dir); + if(n < 0) sysfatal("dirreadall /dev/pci: %r"); + close(fd); + for(; n--; dir++) { + p = dir->name + strlen(dir->name) - 3; + if(strcmp(p, "raw") != 0) + continue; + s = smprint("/dev/pci/%s", dir->name); + fd = open(s, OREAD); + if(fd < 0) { + fprint(2, "open %s: %r", s); + free(s); + continue; + } + if(pcicfg16r(fd, &sh, 0) < 0) goto err; + if(sh == 0xFFFF) goto end; + if(pcicfg16r(fd, &sh, 0x06) < 0) goto err; + if((sh & (1<<4)) == 0) goto end; + cap = 0x33; + for(;;) { + if(pread(fd, &cap, 1, cap+1) < 0) goto err; + if(cap == 0) goto end; + if(pread(fd, &c, 1, cap) < 0) goto err; + if(c == 0x05) break; + } + s[strlen(s) - 3] = 0; + print("%s\n", s+9); + goto end; + err: + fprint(2, "read %s: %r", s); + end: + free(s); + close(fd); + } +} diff --git a/sys/src/games/xs.c b/sys/src/games/xs.c index ef8451816..4a1a72284 100644 --- a/sys/src/games/xs.c +++ b/sys/src/games/xs.c @@ -848,7 +848,7 @@ threadmain(int argc, char *argv[]) snprint(buf, sizeof(buf), "/sys/games/lib/%dscores", N); scores = open(buf, OWRITE); if(scores < 0) - sysfatal("can't open %s: %r", buf); + print("can't open %s: %r\n", buf); tb = 0; if(screen->depth < 3){ tb = allocimage(display, Rect(0,0,16,16), 0, 1, -1); @@ -881,7 +881,7 @@ threadmain(int argc, char *argv[]) points = 0; memset(board, 0, sizeof(board)); redraw(0); - if(play()){ + if(play() && scores >= 0){ endtime = time(0); fprint(scores, "%ld\t%s\t%lud\t%ld\n", points, getuser(), starttime, endtime-starttime); |