2 * PS3 bootwrapper entry.
4 * Copyright (C) 2007 Sony Computer Entertainment Inc.
5 * Copyright 2007 Sony Corp.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 * __system_reset_overlay - The PS3 first stage entry.
30 * The bootwraper build script copies the 512 bytes at symbol
31 * __system_reset_overlay to offset 0x100 of the rom image. This symbol
32 * must occupy 512 or less bytes.
34 * The PS3 has a single processor with two threads.
37 .globl __system_reset_overlay
38 __system_reset_overlay:
40 /* Switch to 32-bit mode. */
47 /* Get thread number in r3 and branch. */
53 /* Secondary goes to __secondary_hold in kernel. */
60 /* Primary delays then goes to _zimage_start in wrapper. */
62 or 31, 31, 31 /* db16cyc */
63 or 31, 31, 31 /* db16cyc */
65 lis r4, _zimage_start@ha
66 addi r4, r4, _zimage_start@l
70 . = __system_reset_overlay + 512
73 * __system_reset_kernel - Place holder for the kernel reset vector.
75 * The bootwrapper build script copies 512 bytes from offset 0x100
76 * of the rom image to the symbol __system_reset_kernel. At runtime
77 * the bootwrapper program copies the 512 bytes at __system_reset_kernel
78 * to ram address 0x100. This symbol must occupy 512 bytes.
81 .globl __system_reset_kernel
82 __system_reset_kernel:
84 . = __system_reset_kernel + 512