PERFORCE change 48756 for review

[Juli Mallett]

http://perforce.freebsd.org/chv.cgi?CH=48756

Change 48756 by jmallett at jmallett_oingo on 2004/03/11 20:23:49

	Run on real kstack...  Seems to work.

Affected files ...

.. //depot/projects/mips/sys/mips/mips/locore.S#11 edit
.. //depot/projects/mips/sys/mips/mips/machdep.c#40 edit
.. //depot/projects/mips/sys/mips/mips/pmap.c#31 edit

Differences ...

==== //depot/projects/mips/sys/mips/mips/locore.S#11 (text+ko) ====

@@ -28,12 +28,13 @@
 
 #include <machine/asm.h>
 #include <machine/cpuregs.h>
+#include <machine/param.h>
 
 #include "assym.s"
 
 	.data
 GLOBAL(stackspace)
-	.space 131072
+	.space PAGE_SIZE /* Smaller than it should be since it's temp. */
 GLOBAL(topstack)
 /*
  * Dummy interrupt table to keep sysctl happy until
@@ -90,6 +91,11 @@
 	jal	platform_start
 	nop
 
+	ld	sp, kstack0
+	daddiu	sp, KSTACK_PAGES << PAGE_SHIFT
+	dsrl	sp, 3
+	dsll	sp, 3
+
 	/* Start MI things rolling. */
 	jal	mi_startup
 	nop

==== //depot/projects/mips/sys/mips/mips/machdep.c#40 (text+ko) ====

@@ -198,7 +198,6 @@
 struct kva_md_info kmi;
 
 vm_offset_t kstack0;
-vm_paddr_t kstack0_phys;
 
 vm_size_t physsz;
 

==== //depot/projects/mips/sys/mips/mips/pmap.c#31 (text+ko) ====

@@ -270,6 +270,11 @@
 	msgbufinit(msgbufp, MSGBUF_SIZE);
 
 	/*
+	 * Steal thread0 kstack.
+	 */
+	kstack0 = pmap_steal_memory(KSTACK_PAGES << PAGE_SHIFT);
+
+	/*
 	 * Initialise TLB management, and have it allocate page tables.
 	 */
 	tlb_bootstrap(physsz >> PAGE_SHIFT, pmap_steal_memory);