From: michael <michael>
Date: Sun, 24 Jul 2005 17:43:55 +0000 (+0000)
Subject: 2.6 fixes
X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/linexec-j720/commitdiff_plain/939a97308e97829d147b897c6e26f2ca1a278756?ds=inline

2.6 fixes
---

diff --git a/asm/asm.asm b/asm/asm.asm
index ddc6ef5..aae80b8 100644
--- a/asm/asm.asm
+++ b/asm/asm.asm
@@ -88,6 +88,28 @@ label		ldr     r8, [r9]
 		mov	r0, r0
 		sub 	pc, pc, #4		
 
+; This is needed to get Linux 2.6 booting
+		mov	r0, #0
+		mcr	p15, 0, r0, c7, c10, 4	; Drain write buffer
+		mcr	p15, 0, r0, c7, c7, 0	; invalidate I+D & BTB
+		
+		mrc	p15, 0, r0, c1, c0, 0
+		bic	r0, r0, #5		; MMU & Dcache off
+		bic	r0, r0, #0x1000		; Icache off
+		mcr	p15, 0, r0, c1, c0, 0	; disable the MMU & caches
+		mrc	p15, 0, r0, c2, c0, 0
+		mov	r0, r0
+		sub	pc, pc, #4
+		
+		
+		mov	r0, #0
+		mcr	p15, 0, r0, c13, c0, 0	; clear PID
+		mcr	p15, 0, r0, c8, c7, 0	; invalidate I+D TLB
+		mrc	p15, 0, r0, c2, c0, 0
+		mov	r0, r0
+		sub	pc, pc, #4
+
+;Set parameters for kernel
 		mov     r0, #0
 	        mov     r1, r10
 		ldr     r2, [r2, #0]