PERFORCE change 54801 for review

[Juli Mallett]

http://perforce.freebsd.org/chv.cgi?CH=54801

Change 54801 by jmallett at jmallett_oingo on 2004/06/13 07:37:18

	Prevent corruption of thread0 pcb, tf and stack by starting the stack
	at the correct place loaded into the PCB by cpu_thread_setup.

Affected files ...

.. //depot/projects/mips/sys/mips/mips/locore.S#13 edit

Differences ...

==== //depot/projects/mips/sys/mips/mips/locore.S#13 (text+ko) ====

@@ -90,10 +90,10 @@
 	jal	platform_start
 	nop
 
-	ld	sp, kstack0
-	daddiu	sp, KSTACK_PAGES << PAGE_SHIFT
-	dsrl	sp, 3
-	dsll	sp, 3
+	ld	k0, pcpup
+	ld	k0, PC_CURTHREAD(k0)
+	ld	k0, TD_PCB(k0)
+	ld	k0, SF_REG_SP(k0)
 
 	/* Start MI things rolling. */
 	jal	mi_startup