Browse Source

ppc4xx: Fix dflush() to restore DVLIM register

Signed-off-by: Larry Johnson <lrj@acm.org>
Larry Johnson 17 years ago
parent
commit
6d8184b00c
1 changed files with 2 additions and 0 deletions
  1. 2 0
      cpu/ppc4xx/start.S

+ 2 - 0
cpu/ppc4xx/start.S

@@ -1700,6 +1700,7 @@ trap_reloc:
 	rlwinm	r8,r9,0,15,13
 	rlwinm	r8,r8,0,17,15
 	mtmsr	r8
+	mfspr	r8,dvlim
 	addi	r3,r0,0x0000
 	mtspr	dvlim,r3
 	mfspr	r3,ivpr
@@ -1714,6 +1715,7 @@ trap_reloc:
 ..ag:	dcbf	r0,r3
 	addi	r3,r3,-32
 	bdnz	..ag
+	mtspr	dvlim,r8
 	sync
 	mtmsr	r9
 	blr