From dc50eab76b709d68175a358d6e23a5a3890764d3 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 19:39:57 +0200 Subject: Merging upstream version 6.7.7. Signed-off-by: Daniel Baumann --- arch/m68k/kernel/Makefile | 4 ++-- arch/m68k/kernel/dma.c | 34 +--------------------------------- arch/m68k/kernel/early_printk.c | 4 ++-- arch/m68k/kernel/entry.S | 7 ++----- arch/m68k/kernel/head.S | 8 ++------ arch/m68k/kernel/ints.c | 2 ++ arch/m68k/kernel/ints.h | 7 +++++++ arch/m68k/kernel/process.c | 1 + arch/m68k/kernel/process.h | 8 ++++++++ arch/m68k/kernel/ptrace.c | 2 ++ arch/m68k/kernel/ptrace.h | 6 ++++++ arch/m68k/kernel/setup_mm.c | 2 -- arch/m68k/kernel/signal.c | 4 +++- arch/m68k/kernel/signal.h | 7 +++++++ arch/m68k/kernel/sys_m68k.c | 4 ++-- arch/m68k/kernel/syscalls/syscall.tbl | 6 +++++- arch/m68k/kernel/traps.c | 19 +++++++++---------- arch/m68k/kernel/traps.h | 10 ++++++++++ arch/m68k/kernel/uboot.c | 13 ++++++++----- arch/m68k/kernel/vectors.c | 3 +++ arch/m68k/kernel/vectors.h | 3 +++ 21 files changed, 85 insertions(+), 69 deletions(-) create mode 100644 arch/m68k/kernel/ints.h create mode 100644 arch/m68k/kernel/process.h create mode 100644 arch/m68k/kernel/ptrace.h create mode 100644 arch/m68k/kernel/signal.h create mode 100644 arch/m68k/kernel/traps.h create mode 100644 arch/m68k/kernel/vectors.h (limited to 'arch/m68k/kernel') diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile index af015447df..f335bf3268 100644 --- a/arch/m68k/kernel/Makefile +++ b/arch/m68k/kernel/Makefile @@ -23,9 +23,9 @@ obj-$(CONFIG_MMU_MOTOROLA) += ints.o vectors.o obj-$(CONFIG_MMU_SUN3) += ints.o vectors.o obj-$(CONFIG_PCI) += pcibios.o -obj-$(CONFIG_HAS_DMA) += dma.o +obj-$(CONFIG_M68K_NONCOHERENT_DMA) += dma.o -obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o +obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o obj-$(CONFIG_BOOTINFO_PROC) += bootinfo_proc.o obj-$(CONFIG_UBOOT) += uboot.o diff --git a/arch/m68k/kernel/dma.c b/arch/m68k/kernel/dma.c index 2e192a5df9..16063783aa 100644 --- a/arch/m68k/kernel/dma.c +++ b/arch/m68k/kernel/dma.c @@ -4,20 +4,11 @@ * for more details. */ -#undef DEBUG - #include -#include #include -#include -#include -#include -#include -#include - #include -#if defined(CONFIG_MMU) && !defined(CONFIG_COLDFIRE) +#ifndef CONFIG_COLDFIRE void arch_dma_prep_coherent(struct page *page, size_t size) { cache_push(page_to_phys(page), size); @@ -33,29 +24,6 @@ pgprot_t pgprot_dmacoherent(pgprot_t prot) } return prot; } -#else -void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, - gfp_t gfp, unsigned long attrs) -{ - void *ret; - - if (dev == NULL || (*dev->dma_mask < 0xffffffff)) - gfp |= GFP_DMA; - ret = (void *)__get_free_pages(gfp, get_order(size)); - - if (ret != NULL) { - memset(ret, 0, size); - *dma_handle = virt_to_phys(ret); - } - return ret; -} - -void arch_dma_free(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_handle, unsigned long attrs) -{ - free_pages((unsigned long)vaddr, get_order(size)); -} - #endif /* CONFIG_MMU && !CONFIG_COLDFIRE */ void arch_sync_dma_for_device(phys_addr_t handle, size_t size, diff --git a/arch/m68k/kernel/early_printk.c b/arch/m68k/kernel/early_printk.c index 7d3fe08a48..3cc944df04 100644 --- a/arch/m68k/kernel/early_printk.c +++ b/arch/m68k/kernel/early_printk.c @@ -12,8 +12,8 @@ #include #include -extern void mvme16x_cons_write(struct console *co, - const char *str, unsigned count); + +#include "../mvme16x/mvme16x.h" asmlinkage void __init debug_cons_nputs(const char *s, unsigned n); diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index 4dd2fd7acb..3bcdd32a6b 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -1,13 +1,10 @@ -/* -*- mode: asm -*- +/* SPDX-License-Identifier: GPL-2.0-or-later + * -*- mode: asm -*- * * linux/arch/m68k/kernel/entry.S * * Copyright (C) 1991, 1992 Linus Torvalds * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file README.legal in the main directory of this archive - * for more details. - * * Linux/m68k support by Hamish Macdonald * * 68060 fixes by Jesper Skov diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S index 9e812d8606..852255cf60 100644 --- a/arch/m68k/kernel/head.S +++ b/arch/m68k/kernel/head.S @@ -1,4 +1,5 @@ -/* -*- mode: asm -*- +/* SPDX-License-Identifier: GPL-2.0-or-later +** -*- mode: asm -*- ** ** head.S -- This file contains the initial boot code for the ** Linux/68k kernel. @@ -25,11 +26,6 @@ ** for linux-2.1.115 ** 1999/02/11 Richard Zidlicky: added Q40 support (initial version 99/01/01) ** 2004/05/13 Kars de Jong: Finalised HP300 support -** -** This file is subject to the terms and conditions of the GNU General Public -** License. See the file README.legal in the main directory of this archive -** for more details. -** */ /* diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c index 5b8d66fbf3..cf2b134884 100644 --- a/arch/m68k/kernel/ints.c +++ b/arch/m68k/kernel/ints.c @@ -26,6 +26,8 @@ #include #endif +#include "ints.h" + extern u32 auto_irqhandler_fixup[]; extern u16 user_irqvec_fixup[]; diff --git a/arch/m68k/kernel/ints.h b/arch/m68k/kernel/ints.h new file mode 100644 index 0000000000..ecac6011c1 --- /dev/null +++ b/arch/m68k/kernel/ints.h @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include + +struct pt_regs; + +asmlinkage void handle_badint(struct pt_regs *regs); diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index e06ce147c0..2584e94e21 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -38,6 +38,7 @@ #include #include +#include "process.h" asmlinkage void ret_from_fork(void); asmlinkage void ret_from_kernel_thread(void); diff --git a/arch/m68k/kernel/process.h b/arch/m68k/kernel/process.h new file mode 100644 index 0000000000..d31745f2e6 --- /dev/null +++ b/arch/m68k/kernel/process.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#include + +struct pt_regs; + +asmlinkage int m68k_clone(struct pt_regs *regs); +asmlinkage int m68k_clone3(struct pt_regs *regs); diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c index cd0172d294..c20d590e42 100644 --- a/arch/m68k/kernel/ptrace.c +++ b/arch/m68k/kernel/ptrace.c @@ -26,6 +26,8 @@ #include #include +#include "ptrace.h" + /* * does not yet catch signals sent when the child dies. * in exit.c or in signal.c. diff --git a/arch/m68k/kernel/ptrace.h b/arch/m68k/kernel/ptrace.h new file mode 100644 index 0000000000..77018037f1 --- /dev/null +++ b/arch/m68k/kernel/ptrace.h @@ -0,0 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include + +asmlinkage int syscall_trace_enter(void); +asmlinkage void syscall_trace_leave(void); diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c index 6f1ae01f32..10310b04f7 100644 --- a/arch/m68k/kernel/setup_mm.c +++ b/arch/m68k/kernel/setup_mm.c @@ -107,8 +107,6 @@ EXPORT_SYMBOL(isa_sex); #define MASK_256K 0xfffc0000 -extern void paging_init(void); - static void __init m68k_parse_bootinfo(const struct bi_record *record) { const struct bi_record *first_record = record; diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index ba468b5f3f..e628b859ef 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -51,6 +51,8 @@ #include #include +#include "signal.h" + #ifdef CONFIG_MMU /* @@ -1109,7 +1111,7 @@ static void do_signal(struct pt_regs *regs) restore_saved_sigmask(); } -void do_notify_resume(struct pt_regs *regs) +asmlinkage void do_notify_resume(struct pt_regs *regs) { if (test_thread_flag(TIF_NOTIFY_SIGNAL) || test_thread_flag(TIF_SIGPENDING)) diff --git a/arch/m68k/kernel/signal.h b/arch/m68k/kernel/signal.h new file mode 100644 index 0000000000..498d84f828 --- /dev/null +++ b/arch/m68k/kernel/signal.h @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include + +asmlinkage void do_notify_resume(struct pt_regs *regs); +asmlinkage void *do_sigreturn(struct pt_regs *regs, struct switch_stack *sw); +asmlinkage void *do_rt_sigreturn(struct pt_regs *regs, struct switch_stack *sw); diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index c586034d2a..1af5e60824 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include @@ -34,8 +35,7 @@ #include -asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address, - unsigned long error_code); +#include "../mm/fault.h" asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl index 259ceb1253..7a4b780e82 100644 --- a/arch/m68k/kernel/syscalls/syscall.tbl +++ b/arch/m68k/kernel/syscalls/syscall.tbl @@ -255,7 +255,7 @@ 245 common io_cancel sys_io_cancel 246 common fadvise64 sys_fadvise64 247 common exit_group sys_exit_group -248 common lookup_dcookie sys_lookup_dcookie +248 common lookup_dcookie sys_ni_syscall 249 common epoll_create sys_epoll_create 250 common epoll_ctl sys_epoll_ctl 251 common epoll_wait sys_epoll_wait @@ -452,3 +452,7 @@ 450 common set_mempolicy_home_node sys_set_mempolicy_home_node 451 common cachestat sys_cachestat 452 common fchmodat2 sys_fchmodat2 +453 common map_shadow_stack sys_map_shadow_stack +454 common futex_wake sys_futex_wake +455 common futex_wait sys_futex_wait +456 common futex_requeue sys_futex_requeue diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index a700807c9b..53d0cf343d 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -41,6 +41,9 @@ #include #include +#include "traps.h" +#include "../mm/fault.h" + static const char *vec_names[] = { [VEC_RESETSP] = "RESET SP", [VEC_RESETPC] = "RESET PC", @@ -124,10 +127,6 @@ static const char *space_names[] = { }; void die_if_kernel(char *,struct pt_regs *,int); -asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address, - unsigned long error_code); -int send_fault_sig(struct pt_regs *regs); - asmlinkage void trap_c(struct frame *fp); #if defined (CONFIG_M68060) @@ -365,7 +364,7 @@ disable_wb: #if defined(CONFIG_SUN3) #include -extern int mmu_emu_handle_fault (unsigned long, int, int); +#include "../sun3/sun3.h" /* sun3 version of bus_error030 */ @@ -487,10 +486,10 @@ static inline void bus_error030 (struct frame *fp) if (buserr_type & SUN3_BUSERR_INVALID) { if (!mmu_emu_handle_fault(addr, 1, 0)) do_page_fault (&fp->ptregs, addr, 0); - } else { + } else { pr_debug("protection fault on insn access (segv).\n"); force_sig (SIGSEGV); - } + } } #else #if defined(CPU_M68020_OR_M68030) @@ -851,9 +850,9 @@ void show_registers(struct pt_regs *regs) pr_info("PC: [<%08lx>] %pS\n", regs->pc, (void *)regs->pc); pr_info("SR: %04x SP: %p a2: %08lx\n", regs->sr, regs, regs->a2); pr_info("d0: %08lx d1: %08lx d2: %08lx d3: %08lx\n", - regs->d0, regs->d1, regs->d2, regs->d3); + regs->d0, regs->d1, regs->d2, regs->d3); pr_info("d4: %08lx d5: %08lx a0: %08lx a1: %08lx\n", - regs->d4, regs->d5, regs->a0, regs->a1); + regs->d4, regs->d5, regs->a0, regs->a1); pr_info("Process %s (pid: %d, task=%p)\n", current->comm, task_pid_nr(current), current); @@ -965,7 +964,7 @@ void show_stack(struct task_struct *task, unsigned long *stack, * real 68k parts, but it won't hurt either. */ -void bad_super_trap (struct frame *fp) +static void bad_super_trap(struct frame *fp) { int vector = (fp->ptregs.vector >> 2) & 0xff; diff --git a/arch/m68k/kernel/traps.h b/arch/m68k/kernel/traps.h new file mode 100644 index 0000000000..6414b4a0e5 --- /dev/null +++ b/arch/m68k/kernel/traps.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include + +struct frame; + +asmlinkage void buserr_c(struct frame *fp); +asmlinkage void fpemu_signal(int signal, int code, void *addr); +asmlinkage void fpsp040_die(void); +asmlinkage void set_esp0(unsigned long ssp); diff --git a/arch/m68k/kernel/uboot.c b/arch/m68k/kernel/uboot.c index 928dbd33fc..8bb1cb3a74 100644 --- a/arch/m68k/kernel/uboot.c +++ b/arch/m68k/kernel/uboot.c @@ -27,6 +27,7 @@ #include #include #include +#include /* * parse_uboot_commandline @@ -63,20 +64,22 @@ static void __init parse_uboot_commandline(char *commandp, int size) { extern unsigned long _init_sp; unsigned long *sp; - unsigned long uboot_kbd; - unsigned long uboot_initrd_start, uboot_initrd_end; unsigned long uboot_cmd_start, uboot_cmd_end; +#if defined(CONFIG_BLK_DEV_INITRD) + unsigned long uboot_initrd_start, uboot_initrd_end; +#endif /* if defined(CONFIG_BLK_DEV_INITRD) */ sp = (unsigned long *)_init_sp; - uboot_kbd = sp[1]; - uboot_initrd_start = sp[2]; - uboot_initrd_end = sp[3]; uboot_cmd_start = sp[4]; uboot_cmd_end = sp[5]; if (uboot_cmd_start && uboot_cmd_end) strncpy(commandp, (const char *)uboot_cmd_start, size); + #if defined(CONFIG_BLK_DEV_INITRD) + uboot_initrd_start = sp[2]; + uboot_initrd_end = sp[3]; + if (uboot_initrd_start && uboot_initrd_end && (uboot_initrd_end > uboot_initrd_start)) { initrd_start = uboot_initrd_start; diff --git a/arch/m68k/kernel/vectors.c b/arch/m68k/kernel/vectors.c index 322c977bb9..667e848070 100644 --- a/arch/m68k/kernel/vectors.c +++ b/arch/m68k/kernel/vectors.c @@ -17,6 +17,7 @@ /* * Sets up all exception vectors */ +#include #include #include #include @@ -27,6 +28,8 @@ #include #include +#include "vectors.h" + /* assembler routines */ asmlinkage void system_call(void); asmlinkage void buserr(void); diff --git a/arch/m68k/kernel/vectors.h b/arch/m68k/kernel/vectors.h new file mode 100644 index 0000000000..897330737e --- /dev/null +++ b/arch/m68k/kernel/vectors.h @@ -0,0 +1,3 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +void base_trap_init(void); -- cgit v1.2.3