[arty] 22596: Added simple main function for powerpc.

Author: arty
Date: Sun Jun 25 02:07:06 2006
New Revision: 22596

URL: http://svn.reactos.org/svn/reactos?rev=22596&view=rev
Log:
Added simple main function for powerpc.

Added:
    branches/powerpc/reactos/ntoskrnl/ke/powerpc/
    branches/powerpc/reactos/ntoskrnl/ke/powerpc/main_asm.S

Added: branches/powerpc/reactos/ntoskrnl/ke/powerpc/main_asm.S
URL:
http://svn.reactos.org/svn/reactos/branches/powerpc/reactos/ntoskrnl/ke/pow…
==============================================================================
--- branches/powerpc/reactos/ntoskrnl/ke/powerpc/main_asm.S (added)
+++ branches/powerpc/reactos/ntoskrnl/ke/powerpc/main_asm.S Sun Jun 25 02:07:06 2006
@@ -1,0 +1,57 @@
+#include <roscfg.h>
+#include <ndk/asm.h>
+
+#define AP_MAGIC (0x12481020)
+
+.global _kernel_stack
+.global _kernel_stack_top
+.global _kernel_trap_stack
+.global _kernel_trap_stack_top
+
+	.section .bss
+	.align 12
+
+
+/* guard page for the kernel stack */
+.fill 4096, 1, 0
+
+_kernel_stack:
+.fill 3*4096, 1, 0
+_kernel_stack_top:
+
+/* guard page for the trap stack */
+.fill 4096, 1, 0
+
+_kernel_trap_stack:
+.fill 3*4096, 1, 0
+_kernel_trap_stack_top:
+	
+	.text
+	.globl NtProcessStartup
+NtProcessStartup:
+    lis		0,AP_MAGIC@ha
+    ori		0,0,AP_MAGIC@l
+    cmpw	0,0,3
+    bne		.m1
+     
+    /*
+     *  Reserve space for the floating point save area.
+     */
+    addi  1,1,-SIZEOF_FX_SAVE_AREA
+
+    /*
+     * Call the application processor initialization code
+     */
+    bl  _KiSystemStartup
+    
+.m1:     
+    /* Load the initial kernel stack */
+    lis		1,_kernel_stack_top@ha
+    ori		1,1,_kernel_stack_top@l
+    addi	1,1,-SIZEOF_FX_SAVE_AREA
+    
+    /* Call the main kernel initialization */
+    mr		3,5
+    mr		4,6
+    bl		__main
+