4 files changed, 50 insertions(+), 1 deletions(-)

M port/portdat.h
M port/sysfile.c
M port/systab.h
M power/mmu.c

@@ 344,7 344,6 @@ struct Page
 	ulong	va;			/* Virtual address for user */
 	ulong	daddr;			/* Disc address on swap */
 	ushort	ref;			/* Reference count */
-	char	lock;			/* Software lock */
 	char	modref;			/* Simulated modify/reference bits */
 	char	cachectl[MAXMACH];	/* Cache flushing control for putmmu */
 	Image	*image;			/* Associated text or swap image */

@@ 85,6 85,13 @@ openmode(ulong o)
 }
 
 long
+sysfsession(ulong *arg)
+{
+	USED(arg);
+	return 0;
+}
+
+long
 syspipe(ulong *arg)
 {
 	int fd[2];

@@ 40,6 40,7 @@ Syscall syssegflush;
 Syscall sysrendezvous;
 Syscall sysunmount;
 Syscall syswait;
+Syscall sysfsession;
 Syscall	sysdeath;
 
 Syscall *systab[]={


@@ 80,6 81,7 @@ Syscall *systab[]={
 	[RENDEZVOUS]	sysrendezvous,
 	[UNMOUNT]	sysunmount,
 	[WAIT]		syswait,
+	[FSESSION]	sysfsession,
 };
 
 char *sysctab[]={


@@ 120,4 122,5 @@ char *sysctab[]={
 	[RENDEZVOUS]	"Rendez",
 	[UNMOUNT]	"Unmount",
 	[WAIT]		"Wait",
+	[FSESSION]	"Fsession",
 };

@@ 180,3 180,43 @@ putstlb(ulong tlbvirt, ulong tlbphys)
 	if(tlbphys == 0)
 		entry->virt = 0;
 }
+
+/* Mapping routines for td's frame buffer
+Page*
+a16seg(Segment *s, ulong va)
+{
+	Page *pg;
+
+	pg = smalloc(sizeof(Page));
+	memset(pg, 0, sizeof(Page));
+	pg->va = va;
+	pg->pa = 0xd0000 + (va - s->base);
+	pg->ref = 1;
+	return pg;
+}
+
+Page*
+a32seg(Segment *s, ulong va)
+{
+	Page *pg;
+
+	pg = smalloc(sizeof(Page));
+	memset(pg, 0, sizeof(Page));
+	pg->va = va;
+	pg->pa = VMEA32SUP(ulong, va - s->base);
+	pg->ref = 1;
+	return pg;
+}
+
+void
+vmefree(Page *pg)
+{
+	int x;
+
+	lock(pg);
+	x = --pg->ref;
+	unlock(pg);
+	if(x <= 0)
+		free(pg);
+}
+*/