[arty] 22612: Get at least the basics working and make regdump output a little nicer.

Author: arty
Date: Sun Jun 25 22:12:29 2006
New Revision: 22612

URL: http://svn.reactos.org/svn/reactos?rev=22612&view=rev
Log:
Get at least the basics working and make regdump output a little nicer.

Modified:
    branches/powerpc/reactos/boot/freeldr/bootsect/ofwboot.s

Modified: branches/powerpc/reactos/boot/freeldr/bootsect/ofwboot.s
URL: http://svn.reactos.org/svn/reactos/branches/powerpc/reactos/boot/freeldr/boo...
==============================================================================
--- branches/powerpc/reactos/boot/freeldr/bootsect/ofwboot.s (original)
+++ branches/powerpc/reactos/boot/freeldr/bootsect/ofwboot.s Sun Jun 25 22:12:29 2006
@@ -15,11 +15,6 @@
    addi    %r1,%r1,stack@l 
    addi    %r1,%r1,16384 - 0x10

-	mfmsr   %r8             
-	li      %r0,0
-	mtmsr   %r0             
-	isync                   
-
    /* Store ofw call addr */
    mr	%r21,%r5
    lis	%r10,0xe00000@ha
@@ -27,10 +22,12 @@

bl	setup_bats

-	li	%r8,0x3030
-	mtmsr	%r8
-
-	bl	ofw_print_regs
+	lis	%r3,0xe00000@ha
+	addi	%r3,%r3,freeldr_banner - _start
+
+	bl	ofw_print_string
+
+	bl	ofw_print_eol

lis	%r4,_binary_freeldr_tmp_end@ha
    addi	%r4,%r4,_binary_freeldr_tmp_end@l
@@ -40,18 +37,13 @@
    lis	%r5,0x8000@ha
    addi	%r5,%r5,0x8000@l

+	bl	ofw_print_regs 
+
    bl	copy_bits

bl	zero_registers

-	lis	%r3,0xe00000@ha
-	addi	%r3,%r3,freeldr_banner - _start
-
-	bl	ofw_print_string
-
-	bl	ofw_print_eol
-
-	bl	setup_exc
+/*	bl	setup_exc */

/* Zero CTR */
    mtcr	%r31
@@ -81,36 +73,9 @@
  * the address given as the 1st argument.
  */
 setup_bats:
-        mfpvr   5
-        rlwinm  5,5,16,16,31            /* r3 = 1 for 601, 4 for 604 */
-        cmpwi   0,5,1
-        li      0,0
-        bne     4f
-        mtibatl 3,0                     /* invalidate BAT first */
-        ori     3,3,4                   /* set up BAT registers for 601 */
-        li      4,0x7f
-        mtibatu 2,3
-        mtibatl 2,4
-        oris    3,3,0x80
-        oris    4,4,0x80
-        mtibatu 3,3
-        mtibatl 3,4
-        b       5f
-4:	mtdbatu 3,0                     /* invalidate BATs first */
-        mtibatu 3,0
-        ori     3,3,0xff                /* set up BAT registers for 604 */
-        li      4,2
-        mtdbatl 2,4
-        mtdbatu 2,3
-        mtibatl 2,4
-        mtibatu 2,3
-        oris    3,3,0x80
-        oris    4,4,0x80
-        mtdbatl 3,4
-        mtdbatu 3,3
-        mtibatl 3,4
-        mtibatu 3,3
-5:	sync
+	xor	3,3,3
+	
+	sync
         isync
         blr
    
@@ -498,6 +463,25 @@
    lwz	%r3,144(%r1)
    addi	%r3,%r3,1
    stw	%r3,144(%r1)
+
+	bl	ofw_print_space
+	
+	lis	%r3,0xe00000@ha
+	addi	%r3,%r3,freeldr_reg_init - _start
+	bl	ofw_print_string
+	lwz	%r3,144(%r1)
+	bl	ofw_print_number
+	bl	ofw_print_space
+	lwz	%r3,144(%r1)
+	mulli	%r3,%r3,4
+	add	%r3,%r1,%r3
+	lwz	%r3,0(%r3)
+	stw	%r3,152(%r1)
+	bl	ofw_print_number
+	lwz	%r3,144(%r1)
+	addi	%r3,%r3,1
+	stw	%r3,144(%r1)
+
    b	done_dump

dump_optional: