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/m68k/virt/config.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 arch/m68k/virt/config.c (limited to 'arch/m68k/virt/config.c') diff --git a/arch/m68k/virt/config.c b/arch/m68k/virt/config.c new file mode 100644 index 000000000..b338e2a8d --- /dev/null +++ b/arch/m68k/virt/config.c @@ -0,0 +1,92 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +struct virt_booter_data virt_bi_data; + +static void virt_get_model(char *str) +{ + /* str is 80 characters long */ + sprintf(str, "QEMU Virtual M68K Machine (%u.%u.%u)", + (u8)(virt_bi_data.qemu_version >> 24), + (u8)(virt_bi_data.qemu_version >> 16), + (u8)(virt_bi_data.qemu_version >> 8)); +} +static void virt_reset(void) +{ + do_kernel_restart(NULL); +} + +/* + * Parse a virtual-m68k-specific record in the bootinfo + */ + +int __init virt_parse_bootinfo(const struct bi_record *record) +{ + int unknown = 0; + const void *data = record->data; + + switch (be16_to_cpu(record->tag)) { + case BI_VIRT_QEMU_VERSION: + virt_bi_data.qemu_version = be32_to_cpup(data); + break; + case BI_VIRT_GF_PIC_BASE: + virt_bi_data.pic.mmio = be32_to_cpup(data); + data += 4; + virt_bi_data.pic.irq = be32_to_cpup(data); + break; + case BI_VIRT_GF_RTC_BASE: + virt_bi_data.rtc.mmio = be32_to_cpup(data); + data += 4; + virt_bi_data.rtc.irq = be32_to_cpup(data); + break; + case BI_VIRT_GF_TTY_BASE: + virt_bi_data.tty.mmio = be32_to_cpup(data); + data += 4; + virt_bi_data.tty.irq = be32_to_cpup(data); + break; + case BI_VIRT_CTRL_BASE: + virt_bi_data.ctrl.mmio = be32_to_cpup(data); + data += 4; + virt_bi_data.ctrl.irq = be32_to_cpup(data); + break; + case BI_VIRT_VIRTIO_BASE: + virt_bi_data.virtio.mmio = be32_to_cpup(data); + data += 4; + virt_bi_data.virtio.irq = be32_to_cpup(data); + break; + default: + unknown = 1; + break; + } + return unknown; +} + +static void __init virt_sched_init(void) +{ + goldfish_timer_init(virt_bi_data.rtc.irq, + (void __iomem *)virt_bi_data.rtc.mmio); +} + +void __init config_virt(void) +{ + char earlycon[24]; + + snprintf(earlycon, sizeof(earlycon), "early_gf_tty,0x%08x", + virt_bi_data.tty.mmio); + setup_earlycon(earlycon); + + mach_init_IRQ = virt_init_IRQ; + mach_sched_init = virt_sched_init; + mach_get_model = virt_get_model; + mach_reset = virt_reset; +} -- cgit v1.3.1