1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * PS3 bootwrapper entry.
5 * Copyright (C) 2007 Sony Computer Entertainment Inc.
6 * Copyright 2007 Sony Corp.
16 * __system_reset_overlay - The PS3 first stage entry.
18 * The bootwraper build script copies the 512 bytes at symbol
19 * __system_reset_overlay to offset 0x100 of the rom image. This symbol
20 * must occupy 512 or less bytes.
22 * The PS3 has a single processor with two threads.
25 .globl __system_reset_overlay
26 __system_reset_overlay:
28 /* Switch to 32-bit mode. */
35 /* Get thread number in r3 and branch. */
41 /* Secondary goes to __secondary_hold in kernel. */
48 /* Primary delays then goes to _zimage_start in wrapper. */
50 or 31, 31, 31 /* db16cyc */
51 or 31, 31, 31 /* db16cyc */
53 lis r4, _zimage_start@ha
54 addi r4, r4, _zimage_start@l
58 . = __system_reset_overlay + 512
61 * __system_reset_kernel - Place holder for the kernel reset vector.
63 * The bootwrapper build script copies 512 bytes from offset 0x100
64 * of the rom image to the symbol __system_reset_kernel. At runtime
65 * the bootwrapper program copies the 512 bytes at __system_reset_kernel
66 * to ram address 0x100. This symbol must occupy 512 bytes.
69 .globl __system_reset_kernel
70 __system_reset_kernel:
72 . = __system_reset_kernel + 512