vx32

commit 5e41c6d8e3c51b4e017979c96e554c37f8c7892e
parent 037fe6d6643e0364dc831360649d437e030def44
Author: rminnich@gmail.com <none@none>
Date:   Thu,  2 Sep 2010 22:58:07 -0700

fix tos issues. Fix exploding issue with a  hack in sched.c

Diffstat:
M
src/9vx/a/tos.h
 | 
21
+++++++++++++++++++++
M
src/9vx/nogui.c
 | 
2
+-
M
src/9vx/sched.c
 | 
2
++
M
src/9vx/stub.c
 | 
16
++++++++++++++++

4 files changed, 40 insertions(+), 1 deletion(-)
diff --git a/src/9vx/a/tos.h b/src/9vx/a/tos.h
@@ -1,6 +1,7 @@
 typedef struct Tos Tos;
 typedef struct Plink Plink;
 
+#if 0
 
 struct Tos {
 	struct			/* Per process profiling */
@@ -19,5 +20,25 @@ struct Tos {
 	ulong	clock;
 	/* top of stack is here */
 };
+#else
+
+struct Tos {
+	struct			/* Per process profiling */
+	{
+		uint32_t pp;	/* known to be 0(ptr) */
+		uint32_t next;	/* known to be 4(ptr) */
+		uint32_t last;
+		uint32_t first;
+		uint32_t	pid;
+		uint32_t	what;
+	} prof;
+	uvlong	cyclefreq;	/* cycle clock frequency if there is one, 0 otherwise */
+	vlong	kcycles;	/* cycles spent in kernel */
+	vlong	pcycles;	/* cycles spent in process (kernel + user) */
+	uint32_t	pid;		/* might as well put the pid here */
+	uint32_t	clock;
+	/* top of stack is here */
+};
+#endif
 
 extern Tos *_tos;
diff --git a/src/9vx/nogui.c b/src/9vx/nogui.c
@@ -77,7 +77,7 @@ unloadmemimage(Memimage *i, Rectangle r, uchar *data, int ndata)
 	return _unloadmemimage(i, r, data, ndata);
 }
 
-ulong
+uint32
 pixelbits(Memimage *m, Point p)
 {
 	return _pixelbits(m, p);
diff --git a/src/9vx/sched.c b/src/9vx/sched.c
@@ -158,6 +158,8 @@ runproc(void)
 			m->machno, p->pid, p->text, kprocq.n, nrunproc);
 	unlock(&kprocq.lk);
 	punlock(&run);
+	while (p->mach)
+		sched_yield();
 	return p;
 }
 
diff --git a/src/9vx/stub.c b/src/9vx/stub.c
@@ -508,6 +508,21 @@ iprint(char *fmt, ...)
 	return n;
 }
 
+void 
+talktome(void)
+{
+	int i;
+	static char cmd[512];
+	while (fgets(cmd, sizeof(cmd), stdin)) {
+		if (! strcmp(cmd, "mach")) {
+			for(i = 0; i < MAXMACH; i++) {
+				fprintf(stderr, "%d ", MACHP(i)->splpc);
+			}
+			
+		}
+	}
+	fprintf(stderr, "We're done talking\n");
+}
 /*
  * Panics go to standard error.
  */
@@ -536,6 +551,7 @@ panic(char *fmt, ...)
 			microdelay(1000000);
 #else
 		fprint(2, "aborting, to dump core.\n");
+		talktome();
 		abort();
 #endif
 	}