From 3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Wed, 2 Sep 2026 15:31:14 -0700 Subject: treewide: refresh kmalloc_obj() conversions This is another run of the Coccinelle script for converting kmalloc() family of allocations to kmalloc_obj() via the existing rules in scripts/coccinelle/api/kmalloc_objs.cocci This catches both the set of kmalloc() uses added since the first kmalloc_obj() conversions in v7.0 and adds a large group missed in the first pass due to Coccinelle not interacting well with the cleanup.h scoped_...() family of macros[1]. I worked around this with spatch's "--macro-file" argument to a file with all the scoped_...() macros mapped to Coccinelle's YACFE_ITERATOR[2] as that was the closest viable control flow indicator I could find. Build tested allmodconfig on x86, arm64, arm, loongarch, mips, powerpc, riscv, and s390 with no new warnings. Link: https://lore.kernel.org/lkml/202609021314.8A9C0B8@keescook/ [1] Link: https://github.com/coccinelle/coccinelle/blob/master/standard.h [2] Signed-off-by: Kees Cook --- arch/powerpc/boot/ps3-head.S | 72 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 arch/powerpc/boot/ps3-head.S (limited to 'arch/powerpc/boot/ps3-head.S') diff --git a/arch/powerpc/boot/ps3-head.S b/arch/powerpc/boot/ps3-head.S new file mode 100644 index 000000000..0a4ebfcc3 --- /dev/null +++ b/arch/powerpc/boot/ps3-head.S @@ -0,0 +1,72 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * PS3 bootwrapper entry. + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + */ + +#include "ppc_asm.h" + + .machine "ppc64" + + .text + +/* + * __system_reset_overlay - The PS3 first stage entry. + * + * The bootwraper build script copies the 512 bytes at symbol + * __system_reset_overlay to offset 0x100 of the rom image. This symbol + * must occupy 512 or less bytes. + * + * The PS3 has a single processor with two threads. + */ + + .globl __system_reset_overlay +__system_reset_overlay: + + /* Switch to 32-bit mode. */ + + mfmsr r9 + clrldi r9,r9,1 + mtmsrd r9 + nop + + /* Get thread number in r3 and branch. */ + + mfspr r3, 0x88 + cntlzw. r3, r3 + beq 1f + + /* Secondary goes to __secondary_hold in kernel. */ + + li r4, 0x60 + mtctr r4 + bctr + +1: + /* Primary delays then goes to _zimage_start in wrapper. */ + + or 31, 31, 31 /* db16cyc */ + or 31, 31, 31 /* db16cyc */ + + lis r4, _zimage_start@ha + addi r4, r4, _zimage_start@l + mtctr r4 + bctr + + . = __system_reset_overlay + 512 + +/* + * __system_reset_kernel - Place holder for the kernel reset vector. + * + * The bootwrapper build script copies 512 bytes from offset 0x100 + * of the rom image to the symbol __system_reset_kernel. At runtime + * the bootwrapper program copies the 512 bytes at __system_reset_kernel + * to ram address 0x100. This symbol must occupy 512 bytes. + */ + + .globl __system_reset_kernel +__system_reset_kernel: + + . = __system_reset_kernel + 512 -- cgit v1.3.1