Merge branch 'WIP.x86/asm' into x86/urgent, because the topic is ready

Signed-off-by: Ingo Molnar <mingo@kernel.org>

14 files changed, 0 insertions, 1314 deletions

diff --git a/arch/cris/kernel/Makefile b/arch/cris/kernel/Makefile
deleted file mode 100644
index f6bfee6c8c1b..000000000000
--- a/arch/cris/kernel/Makefile
+++ /dev/null
@@ -1,17 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-#
-# Makefile for the CRIS port.
-#
-
-CPPFLAGS_vmlinux.lds := -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
-extra-y := vmlinux.lds
-
-obj-y := process.o traps.o irq.o ptrace.o setup.o time.o sys_cris.o
-obj-y += stacktrace.o
-
-obj-$(CONFIG_MODULES)		+= crisksyms.o
-obj-$(CONFIG_MODULES)		+= module.o
-obj-$(CONFIG_SYSTEM_PROFILER)	+= profile.o
-
-clean:
-
diff --git a/arch/cris/kernel/asm-offsets.c b/arch/cris/kernel/asm-offsets.c
deleted file mode 100644
index 0a5129941485..000000000000
--- a/arch/cris/kernel/asm-offsets.c
+++ /dev/null
@@ -1,60 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/kbuild.h>
-#include <linux/sched.h>
-#include <asm/thread_info.h>
-
-/*
- * Generate definitions needed by assembly language modules.
- * This code generates raw asm output which is post-processed to extract
- * and format the required data.
- */
-
-#if !defined(CONFIG_ETRAX_ARCH_V10) && !defined(CONFIG_ETRAX_ARCH_V32)
-#error One of ARCH v10 and ARCH v32 must be true!
-#endif
-
-int main(void)
-{
-#define ENTRY(entry) DEFINE(PT_ ## entry, offsetof(struct pt_regs, entry))
-	ENTRY(orig_r10);
-	ENTRY(r13);
-	ENTRY(r12);
-	ENTRY(r11);
-	ENTRY(r10);
-	ENTRY(r9);
-#ifdef CONFIG_ETRAX_ARCH_V32
-	ENTRY(acr);
-	ENTRY(srs);
-#endif
-	ENTRY(mof);
-#ifdef CONFIG_ETRAX_ARCH_V10
-	ENTRY(dccr);
-#else
-	ENTRY(ccs);
-#endif
-	ENTRY(srp);
-	BLANK();
-#undef ENTRY
-#define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry))
-	ENTRY(task);
-	ENTRY(flags);
-	ENTRY(preempt_count);
-	BLANK();
-#undef ENTRY
-#define ENTRY(entry) DEFINE(THREAD_ ## entry, offsetof(struct thread_struct, entry))
-	ENTRY(ksp);
-	ENTRY(usp);
-#ifdef CONFIG_ETRAX_ARCH_V10
-	ENTRY(dccr);
-#else
-	ENTRY(ccs);
-#endif
-	BLANK();
-#undef ENTRY
-#define ENTRY(entry) DEFINE(TASK_ ## entry, offsetof(struct task_struct, entry))
-	ENTRY(pid);
-	BLANK();
-	DEFINE(LCLONE_VM, CLONE_VM);
-	DEFINE(LCLONE_UNTRACED, CLONE_UNTRACED);
-	return 0;
-}
diff --git a/arch/cris/kernel/crisksyms.c b/arch/cris/kernel/crisksyms.c
deleted file mode 100644
index 7024f7278c89..000000000000
--- a/arch/cris/kernel/crisksyms.c
+++ /dev/null
@@ -1,69 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/module.h>
-#include <linux/user.h>
-#include <linux/elfcore.h>
-#include <linux/sched.h>
-#include <linux/in6.h>
-#include <linux/interrupt.h>
-#include <linux/pm.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/tty.h>
-
-#include <asm/processor.h>
-#include <linux/uaccess.h>
-#include <asm/checksum.h>
-#include <asm/io.h>
-#include <asm/delay.h>
-#include <asm/irq.h>
-#include <asm/pgtable.h>
-#include <asm/fasttimer.h>
-
-extern void __Udiv(void);
-extern void __Umod(void);
-extern void __Div(void);
-extern void __Mod(void);
-extern void __ashldi3(void);
-extern void __ashrdi3(void);
-extern void __lshrdi3(void);
-extern void __negdi2(void);
-extern void iounmap(volatile void * __iomem);
-
-/* Platform dependent support */
-EXPORT_SYMBOL(loops_per_usec);
-
-/* Math functions */
-EXPORT_SYMBOL(__Udiv);
-EXPORT_SYMBOL(__Umod);
-EXPORT_SYMBOL(__Div);
-EXPORT_SYMBOL(__Mod);
-EXPORT_SYMBOL(__ashldi3);
-EXPORT_SYMBOL(__ashrdi3);
-EXPORT_SYMBOL(__lshrdi3);
-EXPORT_SYMBOL(__negdi2);
-
-/* Memory functions */
-EXPORT_SYMBOL(__ioremap);
-EXPORT_SYMBOL(iounmap);
-
-#undef memcpy
-#undef memset
-extern void * memset(void *, int, __kernel_size_t);
-extern void * memcpy(void *, const void *, __kernel_size_t);
-EXPORT_SYMBOL(memcpy);
-EXPORT_SYMBOL(memset);
-#ifdef CONFIG_ETRAX_ARCH_V32
-#undef strcmp
-EXPORT_SYMBOL(strcmp);
-#endif
-
-#ifdef CONFIG_ETRAX_FAST_TIMER
-/* Fast timer functions */
-EXPORT_SYMBOL(fast_timer_list);
-EXPORT_SYMBOL(start_one_shot_timer);
-EXPORT_SYMBOL(del_fast_timer);
-EXPORT_SYMBOL(schedule_usleep);
-#endif
-EXPORT_SYMBOL(csum_partial);
-EXPORT_SYMBOL(csum_partial_copy_from_user);
-EXPORT_SYMBOL(csum_partial_copy_nocheck);
diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c
deleted file mode 100644
index 726cdf4bf2d8..000000000000
--- a/arch/cris/kernel/irq.c
+++ /dev/null
@@ -1,72 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *
- *	linux/arch/cris/kernel/irq.c
- *
- *      Copyright (c) 2000,2007 Axis Communications AB
- *
- *      Authors: Bjorn Wesen (bjornw@axis.com)
- *
- * This file contains the code used by various IRQ handling routines:
- * asking for different IRQs should be done through these routines
- * instead of just grabbing them. Thus setups with different IRQ numbers
- * shouldn't result in any weird surprises, and installing new handlers
- * should be easier.
- *
- */
-
-/*
- * IRQs are in fact implemented a bit like signal handlers for the kernel.
- * Naturally it's not a 1:1 relation, but there are similarities.
- */
-
-#include <linux/module.h>
-#include <linux/ptrace.h>
-#include <linux/irq.h>
-#include <linux/sched/debug.h>
-
-#include <linux/kernel_stat.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/timex.h>
-#include <linux/random.h>
-#include <linux/init.h>
-#include <linux/seq_file.h>
-#include <linux/errno.h>
-#include <linux/spinlock.h>
-
-#include <asm/io.h>
-#include <arch/system.h>
-
-/* called by the assembler IRQ entry functions defined in irq.h
- * to dispatch the interrupts to registered handlers
- */
-
-asmlinkage void do_IRQ(int irq, struct pt_regs * regs)
-{
-	unsigned long sp;
-	struct pt_regs *old_regs;
-
-	trace_hardirqs_off();
-
-	old_regs = set_irq_regs(regs);
-	irq_enter();
-	sp = rdsp();
-	if (unlikely((sp & (PAGE_SIZE - 1)) < (PAGE_SIZE/8))) {
-		printk("do_IRQ: stack overflow: %lX\n", sp);
-		show_stack(NULL, (unsigned long *)sp);
-	}
-	generic_handle_irq(irq);
-	irq_exit();
-	set_irq_regs(old_regs);
-}
-
-void weird_irq(void)
-{
-	local_irq_disable();
-	printk("weird irq\n");
-	while(1);
-}
-
diff --git a/arch/cris/kernel/module.c b/arch/cris/kernel/module.c
deleted file mode 100644
index af04cb6b6dc9..000000000000
--- a/arch/cris/kernel/module.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*  Kernel module help for i386.
-    Copyright (C) 2001 Rusty Russell.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-*/
-#include <linux/moduleloader.h>
-#include <linux/elf.h>
-#include <linux/vmalloc.h>
-#include <linux/fs.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-
-#if 0
-#define DEBUGP printk
-#else
-#define DEBUGP(fmt , ...)
-#endif
-
-#ifdef CONFIG_ETRAX_KMALLOCED_MODULES
-void *module_alloc(unsigned long size)
-{
-	return kmalloc(size, GFP_KERNEL);
-}
-
-/* Free memory returned from module_alloc */
-void module_memfree(void *module_region)
-{
-	kfree(module_region);
-}
-#endif
-
-int apply_relocate_add(Elf32_Shdr *sechdrs,
-		       const char *strtab,
-		       unsigned int symindex,
-		       unsigned int relsec,
-		       struct module *me)
-{
-  	unsigned int i;
-	Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr;
-
-	DEBUGP ("Applying add relocate section %u to %u\n", relsec,
-		sechdrs[relsec].sh_info);
-
-	for (i = 0; i < sechdrs[relsec].sh_size / sizeof (*rela); i++) {
-		/* This is where to make the change */
-		uint32_t *loc
-			= ((void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
-			   + rela[i].r_offset);
-		/* This is the symbol it is referring to.  Note that all
-		   undefined symbols have been resolved.  */
-		Elf32_Sym *sym
-			= ((Elf32_Sym *)sechdrs[symindex].sh_addr
-			   + ELF32_R_SYM (rela[i].r_info));
-		switch (ELF32_R_TYPE(rela[i].r_info)) {
-		case R_CRIS_32:
-			*loc = sym->st_value + rela[i].r_addend;
-			break;
-		case R_CRIS_32_PCREL:
-			*loc = sym->st_value - (unsigned)loc + rela[i].r_addend - 4;
-			 break;
-		default:
-			printk(KERN_ERR "module %s: Unknown relocation: %u\n",
-			       me->name, ELF32_R_TYPE(rela[i].r_info));
-			return -ENOEXEC;
-		}
-	}
-
-	return 0;
-}
diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c
deleted file mode 100644
index 50e5cf09841d..000000000000
--- a/arch/cris/kernel/process.c
+++ /dev/null
@@ -1,81 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *  linux/arch/cris/kernel/process.c
- *
- *  Copyright (C) 1995  Linus Torvalds
- *  Copyright (C) 2000-2002  Axis Communications AB
- *
- *  Authors:   Bjorn Wesen (bjornw@axis.com)
- *
- */
-
-/*
- * This file handles the architecture-dependent parts of process handling..
- */
-
-#include <linux/atomic.h>
-#include <asm/pgtable.h>
-#include <linux/uaccess.h>
-#include <asm/irq.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/init_task.h>
-#include <linux/sched.h>
-#include <linux/sched/task.h>
-#include <linux/fs.h>
-#include <linux/user.h>
-#include <linux/elfcore.h>
-#include <linux/mqueue.h>
-#include <linux/reboot.h>
-#include <linux/rcupdate.h>
-
-//#define DEBUG
-
-extern void default_idle(void);
-
-void (*pm_power_off)(void);
-EXPORT_SYMBOL(pm_power_off);
-
-void arch_cpu_idle(void)
-{
-	default_idle();
-}
-
-void hard_reset_now (void);
-
-void machine_restart(char *cmd)
-{
-	hard_reset_now();
-}
-
-/*
- * Similar to machine_power_off, but don't shut off power.  Add code
- * here to freeze the system for e.g. post-mortem debug purpose when
- * possible.  This halt has nothing to do with the idle halt.
- */
-
-void machine_halt(void)
-{
-}
-
-/* If or when software power-off is implemented, add code here.  */
-
-void machine_power_off(void)
-{
-}
-
-/*
- * When a process does an "exec", machine state like FPU and debug
- * registers need to be reset.  This is a hook function for that.
- * Currently we don't have any such state to reset, so this is empty.
- */
-
-void flush_thread(void)
-{
-}
-
-/* Fill in the fpu structure for a core dump. */
-int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
-{
-        return 0;
-}
diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c
deleted file mode 100644
index d2f978ad129a..000000000000
--- a/arch/cris/kernel/profile.c
+++ /dev/null
@@ -1,87 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/proc_fs.h>
-#include <linux/slab.h>
-#include <linux/types.h>
-#include <asm/ptrace.h>
-#include <linux/uaccess.h>
-
-#define SAMPLE_BUFFER_SIZE 8192
-
-static char *sample_buffer;
-static char *sample_buffer_pos;
-static int prof_running = 0;
-
-void cris_profile_sample(struct pt_regs *regs)
-{
-	if (!prof_running)
-		return;
-
-	if (user_mode(regs))
-		*(unsigned int*)sample_buffer_pos = current->pid;
-	else
-		*(unsigned int*)sample_buffer_pos = 0;
-
-	*(unsigned int *)(sample_buffer_pos + 4) = instruction_pointer(regs);
-	sample_buffer_pos += 8;
-
-	if (sample_buffer_pos == sample_buffer + SAMPLE_BUFFER_SIZE)
-		sample_buffer_pos = sample_buffer;
-}
-
-static ssize_t
-read_cris_profile(struct file *file, char __user *buf,
-		  size_t count, loff_t *ppos)
-{
-	unsigned long p = *ppos;
-	ssize_t ret;
-
-	ret = simple_read_from_buffer(buf, count, ppos, sample_buffer,
-						SAMPLE_BUFFER_SIZE);
-	if (ret < 0)
-		return ret;
-
-	memset(sample_buffer + p, 0, ret);
-
-	return ret;
-}
-
-static ssize_t
-write_cris_profile(struct file *file, const char __user *buf,
-		   size_t count, loff_t *ppos)
-{
-	sample_buffer_pos = sample_buffer;
-	memset(sample_buffer, 0, SAMPLE_BUFFER_SIZE);
-	return count < SAMPLE_BUFFER_SIZE ? count : SAMPLE_BUFFER_SIZE;
-}
-
-static const struct file_operations cris_proc_profile_operations = {
-	.read		= read_cris_profile,
-	.write		= write_cris_profile,
-	.llseek		= default_llseek,
-};
-
-static int __init init_cris_profile(void)
-{
-	struct proc_dir_entry *entry;
-
-	sample_buffer = kmalloc(SAMPLE_BUFFER_SIZE, GFP_KERNEL);
-	if (!sample_buffer) {
-		return -ENOMEM;
-	}
-
-	sample_buffer_pos = sample_buffer;
-
-	entry = proc_create("system_profile", S_IWUSR | S_IRUGO, NULL,
-			    &cris_proc_profile_operations);
-	if (entry) {
-		proc_set_size(entry, SAMPLE_BUFFER_SIZE);
-	}
-	prof_running = 1;
-
-	return 0;
-}
-__initcall(init_cris_profile);
-
diff --git a/arch/cris/kernel/ptrace.c b/arch/cris/kernel/ptrace.c
deleted file mode 100644
index af42789a1544..000000000000
--- a/arch/cris/kernel/ptrace.c
+++ /dev/null
@@ -1,68 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *  linux/arch/cris/kernel/ptrace.c
- *
- * Parts taken from the m68k port.
- *
- * Copyright (c) 2000, 2001, 2002 Axis Communications AB
- *
- * Authors:   Bjorn Wesen
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/errno.h>
-#include <linux/ptrace.h>
-#include <linux/user.h>
-#include <linux/tracehook.h>
-
-#include <linux/uaccess.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-
-
-/* notification of userspace execution resumption
- * - triggered by current->work.notify_resume
- */
-extern int do_signal(int canrestart, struct pt_regs *regs);
-
-
-void do_notify_resume(int canrestart, struct pt_regs *regs,
-		      __u32 thread_info_flags)
-{
-	/* deal with pending signal delivery */
-	if (thread_info_flags & _TIF_SIGPENDING)
-		do_signal(canrestart,regs);
-
-	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
-		clear_thread_flag(TIF_NOTIFY_RESUME);
-		tracehook_notify_resume(regs);
-	}
-}
-
-void do_work_pending(int syscall, struct pt_regs *regs,
-		     unsigned int thread_flags)
-{
-	do {
-		if (likely(thread_flags & _TIF_NEED_RESCHED)) {
-			schedule();
-		} else {
-			if (unlikely(!user_mode(regs)))
-				return;
-			local_irq_enable();
-			if (thread_flags & _TIF_SIGPENDING) {
-				do_signal(syscall, regs);
-				syscall = 0;
-			} else {
-				clear_thread_flag(TIF_NOTIFY_RESUME);
-				tracehook_notify_resume(regs);
-			}
-		}
-		local_irq_disable();
-		thread_flags = current_thread_info()->flags;
-	} while (thread_flags & _TIF_WORK_MASK);
-}
diff --git a/arch/cris/kernel/setup.c b/arch/cris/kernel/setup.c
deleted file mode 100644
index 1b61a7207afb..000000000000
--- a/arch/cris/kernel/setup.c
+++ /dev/null
@@ -1,214 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *
- *  linux/arch/cris/kernel/setup.c
- *
- *  Copyright (C) 1995  Linus Torvalds
- *  Copyright (c) 2001  Axis Communications AB
- */
-
-/*
- * This file handles the architecture-dependent parts of initialization
- */
-
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-#include <asm/pgtable.h>
-#include <linux/seq_file.h>
-#include <linux/screen_info.h>
-#include <linux/utsname.h>
-#include <linux/pfn.h>
-#include <linux/cpu.h>
-#include <linux/of.h>
-#include <linux/of_fdt.h>
-#include <asm/setup.h>
-#include <arch/system.h>
-#include <asm/sections.h>
-
-/*
- * Setup options
- */
-struct screen_info screen_info;
-
-extern int root_mountflags;
-
-char __initdata cris_command_line[COMMAND_LINE_SIZE] = { 0, };
-
-extern const unsigned long text_start, edata; /* set by the linker script */
-extern unsigned long dram_start, dram_end;
-
-extern unsigned long romfs_start, romfs_length, romfs_in_flash; /* from head.S */
-
-static struct cpu cpu_devices[NR_CPUS];
-
-extern void show_etrax_copyright(void);		/* arch-vX/kernel/setup.c */
-
-/* This mainly sets up the memory area, and can be really confusing.
- *
- * The physical DRAM is virtually mapped into dram_start to dram_end
- * (usually c0000000 to c0000000 + DRAM size). The physical address is
- * given by the macro __pa().
- *
- * In this DRAM, the kernel code and data is loaded, in the beginning.
- * It really starts at c0004000 to make room for some special pages -
- * the start address is text_start. The kernel data ends at _end. After
- * this the ROM filesystem is appended (if there is any).
- *
- * Between this address and dram_end, we have RAM pages usable to the
- * boot code and the system.
- *
- */
-
-void __init setup_arch(char **cmdline_p)
-{
-	extern void init_etrax_debug(void);
-	unsigned long bootmap_size;
-	unsigned long start_pfn, max_pfn;
-	unsigned long memory_start;
-
-#ifdef CONFIG_OF
-	early_init_dt_scan(__dtb_start);
-#endif
-
-	/* register an initial console printing routine for printk's */
-
-	init_etrax_debug();
-
-	/* we should really poll for DRAM size! */
-
-	high_memory = &dram_end;
-
-	if(romfs_in_flash || !romfs_length) {
-		/* if we have the romfs in flash, or if there is no rom filesystem,
-		 * our free area starts directly after the BSS
-		 */
-		memory_start = (unsigned long) &_end;
-	} else {
-		/* otherwise the free area starts after the ROM filesystem */
-		printk("ROM fs in RAM, size %lu bytes\n", romfs_length);
-		memory_start = romfs_start + romfs_length;
-	}
-
-	/* process 1's initial memory region is the kernel code/data */
-
-	init_mm.start_code = (unsigned long) &text_start;
-	init_mm.end_code =   (unsigned long) &_etext;
-	init_mm.end_data =   (unsigned long) &_edata;
-	init_mm.brk =        (unsigned long) &_end;
-
-	/* min_low_pfn points to the start of DRAM, start_pfn points
-	 * to the first DRAM pages after the kernel, and max_low_pfn
-	 * to the end of DRAM.
-	 */
-
-        /*
-         * partially used pages are not usable - thus
-         * we are rounding upwards:
-         */
-
-        start_pfn = PFN_UP(memory_start);  /* usually c0000000 + kernel + romfs */
-	max_pfn =   PFN_DOWN((unsigned long)high_memory); /* usually c0000000 + dram size */
-
-        /*
-         * Initialize the boot-time allocator (start, end)
-	 *
-	 * We give it access to all our DRAM, but we could as well just have
-	 * given it a small slice. No point in doing that though, unless we
-	 * have non-contiguous memory and want the boot-stuff to be in, say,
-	 * the smallest area.
-	 *
-	 * It will put a bitmap of the allocated pages in the beginning
-	 * of the range we give it, but it won't mark the bitmaps pages
-	 * as reserved. We have to do that ourselves below.
-	 *
-	 * We need to use init_bootmem_node instead of init_bootmem
-	 * because our map starts at a quite high address (min_low_pfn).
-         */
-
-	max_low_pfn = max_pfn;
-	min_low_pfn = PAGE_OFFSET >> PAGE_SHIFT;
-
-	bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn,
-					 min_low_pfn,
-					 max_low_pfn);
-
-	/* And free all memory not belonging to the kernel (addr, size) */
-
-	free_bootmem(PFN_PHYS(start_pfn), PFN_PHYS(max_pfn - start_pfn));
-
-        /*
-         * Reserve the bootmem bitmap itself as well. We do this in two
-         * steps (first step was init_bootmem()) because this catches
-         * the (very unlikely) case of us accidentally initializing the
-         * bootmem allocator with an invalid RAM area.
-	 *
-	 * Arguments are start, size
-         */
-
-	reserve_bootmem(PFN_PHYS(start_pfn), bootmap_size, BOOTMEM_DEFAULT);
-
-	unflatten_and_copy_device_tree();
-
-	/* paging_init() sets up the MMU and marks all pages as reserved */
-
-	paging_init();
-
-	*cmdline_p = cris_command_line;
-
-#ifdef CONFIG_ETRAX_CMDLINE
-        if (!strcmp(cris_command_line, "")) {
-		strlcpy(cris_command_line, CONFIG_ETRAX_CMDLINE, COMMAND_LINE_SIZE);
-		cris_command_line[COMMAND_LINE_SIZE - 1] = '\0';
-	}
-#endif
-
-	/* Save command line for future references. */
-	memcpy(boot_command_line, cris_command_line, COMMAND_LINE_SIZE);
-	boot_command_line[COMMAND_LINE_SIZE - 1] = '\0';
-
-	/* give credit for the CRIS port */
-	show_etrax_copyright();
-
-	/* Setup utsname */
-	strcpy(init_utsname()->machine, cris_machine_name);
-}
-
-#ifdef CONFIG_PROC_FS
-static void *c_start(struct seq_file *m, loff_t *pos)
-{
-	return *pos < nr_cpu_ids ? (void *)(int)(*pos + 1) : NULL;
-}
-
-static void *c_next(struct seq_file *m, void *v, loff_t *pos)
-{
-	++*pos;
-	return c_start(m, pos);
-}
-
-static void c_stop(struct seq_file *m, void *v)
-{
-}
-
-extern int show_cpuinfo(struct seq_file *m, void *v);
-
-const struct seq_operations cpuinfo_op = {
-	.start = c_start,
-	.next  = c_next,
-	.stop  = c_stop,
-	.show  = show_cpuinfo,
-};
-#endif /* CONFIG_PROC_FS */
-
-static int __init topology_init(void)
-{
-	int i;
-
-	for_each_possible_cpu(i) {
-		 return register_cpu(&cpu_devices[i], i);
-	}
-
-	return 0;
-}
-
-subsys_initcall(topology_init);
diff --git a/arch/cris/kernel/stacktrace.c b/arch/cris/kernel/stacktrace.c
deleted file mode 100644
index f1cc3aaacd8d..000000000000
--- a/arch/cris/kernel/stacktrace.c
+++ /dev/null
@@ -1,76 +0,0 @@
-#include <linux/sched.h>
-#include <linux/sched/debug.h>
-#include <linux/stacktrace.h>
-#include <asm/stacktrace.h>
-
-void walk_stackframe(unsigned long sp,
-		     int (*fn)(unsigned long addr, void *data),
-		     void *data)
-{
-	unsigned long high = ALIGN(sp, THREAD_SIZE);
-
-	for (; sp <= high - 4; sp += 4) {
-		unsigned long addr = *(unsigned long *) sp;
-
-		if (!kernel_text_address(addr))
-			continue;
-
-		if (fn(addr, data))
-			break;
-	}
-}
-
-struct stack_trace_data {
-	struct stack_trace *trace;
-	unsigned int no_sched_functions;
-	unsigned int skip;
-};
-
-#ifdef CONFIG_STACKTRACE
-
-static int save_trace(unsigned long addr, void *d)
-{
-	struct stack_trace_data *data = d;
-	struct stack_trace *trace = data->trace;
-
-	if (data->no_sched_functions && in_sched_functions(addr))
-		return 0;
-
-	if (data->skip) {
-		data->skip--;
-		return 0;
-	}
-
-	trace->entries[trace->nr_entries++] = addr;
-
-	return trace->nr_entries >= trace->max_entries;
-}
-
-void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
-{
-	struct stack_trace_data data;
-	unsigned long sp;
-
-	data.trace = trace;
-	data.skip = trace->skip;
-
-	if (tsk != current) {
-		data.no_sched_functions = 1;
-		sp = tsk->thread.ksp;
-	} else {
-		data.no_sched_functions = 0;
-		sp = rdsp();
-	}
-
-	walk_stackframe(sp, save_trace, &data);
-	if (trace->nr_entries < trace->max_entries)
-		trace->entries[trace->nr_entries++] = ULONG_MAX;
-}
-
-void save_stack_trace(struct stack_trace *trace)
-{
-	save_stack_trace_tsk(current, trace);
-}
-EXPORT_SYMBOL_GPL(save_stack_trace);
-
-#endif /* CONFIG_STACKTRACE */
diff --git a/arch/cris/kernel/sys_cris.c b/arch/cris/kernel/sys_cris.c
deleted file mode 100644
index ecea13f1d760..000000000000
--- a/arch/cris/kernel/sys_cris.c
+++ /dev/null
@@ -1,36 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* $Id: sys_cris.c,v 1.6 2004/03/11 11:38:40 starvik Exp $
- *
- * linux/arch/cris/kernel/sys_cris.c
- *
- * This file contains various random system calls that
- * have a non-standard calling sequence on some platforms.
- * Since we don't have to do any backwards compatibility, our
- * versions are done in the most "normal" way possible.
- *
- */
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/syscalls.h>
-#include <linux/mm.h>
-#include <linux/fs.h>
-#include <linux/smp.h>
-#include <linux/sem.h>
-#include <linux/msg.h>
-#include <linux/shm.h>
-#include <linux/stat.h>
-#include <linux/mman.h>
-#include <linux/file.h>
-#include <linux/ipc.h>
-
-#include <linux/uaccess.h>
-#include <asm/segment.h>
-
-asmlinkage long
-sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
-          unsigned long flags, unsigned long fd, unsigned long pgoff)
-{
-	/* bug(?): 8Kb pages here */
-        return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
-}
diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c
deleted file mode 100644
index 593239274f98..000000000000
--- a/arch/cris/kernel/time.c
+++ /dev/null
@@ -1,73 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *  linux/arch/cris/kernel/time.c
- *
- *  Copyright (C) 1991, 1992, 1995  Linus Torvalds
- *  Copyright (C) 1999, 2000, 2001 Axis Communications AB
- *
- * 1994-07-02    Alan Modra
- *	fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime
- * 1995-03-26    Markus Kuhn
- *      fixed 500 ms bug at call to set_rtc_mmss, fixed DS12887
- *      precision CMOS clock update
- * 1996-05-03    Ingo Molnar
- *      fixed time warps in do_[slow|fast]_gettimeoffset()
- * 1997-09-10	Updated NTP code according to technical memorandum Jan '96
- *		"A Kernel Model for Precision Timekeeping" by Dave Mills
- *
- * Linux/CRIS specific code:
- *
- * Authors:    Bjorn Wesen
- *             Johan Adolfsson
- *
- */
-
-#include <linux/errno.h>
-#include <linux/module.h>
-#include <linux/param.h>
-#include <linux/jiffies.h>
-#include <linux/bcd.h>
-#include <linux/timex.h>
-#include <linux/init.h>
-#include <linux/profile.h>
-#include <linux/sched/clock.h>
-
-
-#define D(x)
-
-#define TICK_SIZE tick
-
-extern unsigned long loops_per_jiffy; /* init/main.c */
-unsigned long loops_per_usec;
-
-extern void cris_profile_sample(struct pt_regs* regs);
-
-void
-cris_do_profile(struct pt_regs* regs)
-{
-
-#ifdef CONFIG_SYSTEM_PROFILER
-        cris_profile_sample(regs);
-#endif
-
-#ifdef CONFIG_PROFILING
-	profile_tick(CPU_PROFILING);
-#endif
-}
-
-#ifndef CONFIG_GENERIC_SCHED_CLOCK
-unsigned long long sched_clock(void)
-{
-	return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ) +
-		get_ns_in_jiffie();
-}
-#endif
-
-static int
-__init init_udelay(void)
-{
-	loops_per_usec = (loops_per_jiffy * HZ) / 1000000;
-	return 0;
-}
-
-__initcall(init_udelay);
diff --git a/arch/cris/kernel/traps.c b/arch/cris/kernel/traps.c
deleted file mode 100644
index d4bc80469218..000000000000
--- a/arch/cris/kernel/traps.c
+++ /dev/null
@@ -1,241 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *  linux/arch/cris/traps.c
- *
- *  Here we handle the break vectors not used by the system call
- *  mechanism, as well as some general stack/register dumping
- *  things.
- *
- *  Copyright (C) 2000-2007 Axis Communications AB
- *
- *  Authors:   Bjorn Wesen
- *             Hans-Peter Nilsson
- *
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/utsname.h>
-#include <linux/sched/debug.h>
-#ifdef CONFIG_KALLSYMS
-#include <linux/kallsyms.h>
-#endif
-
-#include <asm/pgtable.h>
-#include <linux/uaccess.h>
-#include <arch/system.h>
-
-extern void arch_enable_nmi(void);
-extern void stop_watchdog(void);
-extern void reset_watchdog(void);
-extern void show_registers(struct pt_regs *regs);
-
-#ifdef CONFIG_DEBUG_BUGVERBOSE
-extern void handle_BUG(struct pt_regs *regs);
-#else
-#define handle_BUG(regs)
-#endif
-
-static int kstack_depth_to_print = 24;
-
-void (*nmi_handler)(struct pt_regs *);
-
-void show_trace(unsigned long *stack)
-{
-	unsigned long addr, module_start, module_end;
-	extern char _stext[], _etext[];
-	int i;
-
-	pr_err("\nCall Trace: ");
-
-	i = 1;
-	module_start = VMALLOC_START;
-	module_end = VMALLOC_END;
-
-	while (((long)stack & (THREAD_SIZE - 1)) != 0) {
-		if (__get_user(addr, stack)) {
-			/* This message matches "failing address" marked
-			   s390 in ksymoops, so lines containing it will
-			   not be filtered out by ksymoops.  */
-			pr_err("Failing address 0x%lx\n", (unsigned long)stack);
-			break;
-		}
-		stack++;
-
-		/*
-		 * If the address is either in the text segment of the
-		 * kernel, or in the region which contains vmalloc'ed
-		 * memory, it *may* be the address of a calling
-		 * routine; if so, print it so that someone tracing
-		 * down the cause of the crash will be able to figure
-		 * out the call path that was taken.
-		 */
-		if (((addr >= (unsigned long)_stext) &&
-		     (addr <= (unsigned long)_etext)) ||
-		    ((addr >= module_start) && (addr <= module_end))) {
-#ifdef CONFIG_KALLSYMS
-			print_ip_sym(addr);
-#else
-			if (i && ((i % 8) == 0))
-				pr_err("\n       ");
-			pr_err("[<%08lx>] ", addr);
-			i++;
-#endif
-		}
-	}
-}
-
-/*
- * These constants are for searching for possible module text
- * segments. MODULE_RANGE is a guess of how much space is likely
- * to be vmalloced.
- */
-
-#define MODULE_RANGE (8*1024*1024)
-
-/*
- * The output (format, strings and order) is adjusted to be usable with
- * ksymoops-2.4.1 with some necessary CRIS-specific patches.  Please don't
- * change it unless you're serious about adjusting ksymoops and syncing
- * with the ksymoops maintainer.
- */
-
-void
-show_stack(struct task_struct *task, unsigned long *sp)
-{
-	unsigned long *stack, addr;
-	int i;
-
-	/*
-	 * debugging aid: "show_stack(NULL);" prints a
-	 * back trace.
-	 */
-
-	if (sp == NULL) {
-		if (task)
-			sp = (unsigned long*)task->thread.ksp;
-		else
-			sp = (unsigned long*)rdsp();
-	}
-
-	stack = sp;
-
-	pr_err("\nStack from %08lx:\n       ", (unsigned long)stack);
-	for (i = 0; i < kstack_depth_to_print; i++) {
-		if (((long)stack & (THREAD_SIZE-1)) == 0)
-			break;
-		if (i && ((i % 8) == 0))
-			pr_err("\n       ");
-		if (__get_user(addr, stack)) {
-			/* This message matches "failing address" marked
-			   s390 in ksymoops, so lines containing it will
-			   not be filtered out by ksymoops.  */
-			pr_err("Failing address 0x%lx\n", (unsigned long)stack);
-			break;
-		}
-		stack++;
-		pr_err("%08lx ", addr);
-	}
-	show_trace(sp);
-}
-
-#if 0
-/* displays a short stack trace */
-
-int
-show_stack(void)
-{
-	unsigned long *sp = (unsigned long *)rdusp();
-	int i;
-
-	pr_err("Stack dump [0x%08lx]:\n", (unsigned long)sp);
-	for (i = 0; i < 16; i++)
-		pr_err("sp + %d: 0x%08lx\n", i*4, sp[i]);
-	return 0;
-}
-#endif
-
-void set_nmi_handler(void (*handler)(struct pt_regs *))
-{
-	nmi_handler = handler;
-	arch_enable_nmi();
-}
-
-#ifdef CONFIG_DEBUG_NMI_OOPS
-void oops_nmi_handler(struct pt_regs *regs)
-{
-	stop_watchdog();
-	oops_in_progress = 1;
-	pr_err("NMI!\n");
-	show_registers(regs);
-	oops_in_progress = 0;
-	oops_exit();
-	pr_err("\n"); /* Flush mtdoops.  */
-}
-
-static int __init oops_nmi_register(void)
-{
-	set_nmi_handler(oops_nmi_handler);
-	return 0;
-}
-
-__initcall(oops_nmi_register);
-
-#endif
-
-/*
- * This gets called from entry.S when the watchdog has bitten. Show something
- * similar to an Oops dump, and if the kernel is configured to be a nice
- * doggy, then halt instead of reboot.
- */
-void watchdog_bite_hook(struct pt_regs *regs)
-{
-#ifdef CONFIG_ETRAX_WATCHDOG_NICE_DOGGY
-	local_irq_disable();
-	stop_watchdog();
-	show_registers(regs);
-
-	while (1)
-		; /* Do nothing. */
-#else
-	show_registers(regs);
-#endif
-}
-
-/* This is normally the Oops function. */
-void die_if_kernel(const char *str, struct pt_regs *regs, long err)
-{
-	if (user_mode(regs))
-		return;
-
-#ifdef CONFIG_ETRAX_WATCHDOG_NICE_DOGGY
-	/*
-	 * This printout might take too long and could trigger
-	 * the watchdog normally. If NICE_DOGGY is set, simply
-	 * stop the watchdog during the printout.
-	 */
-	stop_watchdog();
-#endif
-
-	oops_enter();
-	handle_BUG(regs);
-
-	pr_err("Linux %s %s\n", utsname()->release, utsname()->version);
-	pr_err("%s: %04lx\n", str, err & 0xffff);
-
-	show_registers(regs);
-
-	oops_exit();
-	oops_in_progress = 0;
-	pr_err("\n"); /* Flush mtdoops.  */
-
-#ifdef CONFIG_ETRAX_WATCHDOG_NICE_DOGGY
-	reset_watchdog();
-#endif
-	do_exit(SIGSEGV);
-}
-
-void __init trap_init(void)
-{
-	/* Nothing needs to be done */
-}
diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S
deleted file mode 100644
index 9b232e0f673e..000000000000
--- a/arch/cris/kernel/vmlinux.lds.S
+++ /dev/null
@@ -1,138 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* ld script to make the Linux/CRIS kernel
- * Authors: Bjorn Wesen (bjornw@axis.com)
- *
- * It is VERY DANGEROUS to fiddle around with the symbols in this
- * script. It is for example quite vital that all generated sections
- * that are used are actually named here, otherwise the linker will
- * put them at the end, where the init stuff is which is FREED after
- * the kernel has booted.
- */
-
-#include <asm-generic/vmlinux.lds.h>
-#include <asm/page.h>
-#include <asm/thread_info.h>
-
-#ifdef CONFIG_ETRAX_VMEM_SIZE
-#define __CONFIG_ETRAX_VMEM_SIZE CONFIG_ETRAX_VMEM_SIZE
-#else
-#define __CONFIG_ETRAX_VMEM_SIZE 0
-#endif
-
-
-jiffies = jiffies_64;
-SECTIONS
-{
-	. = DRAM_VIRTUAL_BASE;
-	dram_start = .;
-#ifdef CONFIG_ETRAX_ARCH_V10
-	ibr_start = .;
-#else
-	ebp_start = .;
-	/* The boot section is only necessary until the VCS top */
-	/* level testbench includes both flash and DRAM. */
-	.boot : { *(.boot) }
-#endif
-
-	/* see head.S and pages reserved at the start */
-	. = DRAM_VIRTUAL_BASE + 0x4000;
-
-	_text = .;			/* Text and read-only data. */
-	text_start = .;			/* Lots of aliases. */
-	_stext = .;
-	__stext = .;
-	.text : {
-		HEAD_TEXT
-		TEXT_TEXT
-		SCHED_TEXT
-		CPUIDLE_TEXT
-		LOCK_TEXT
-		*(.fixup)
-		*(.text.__*)
-	}
-
-	_etext = . ;			/* End of text section. */
-	__etext = .;
-
-	EXCEPTION_TABLE(4)
-
-	_sdata = .;
-	RODATA
-
-	. = ALIGN (4);
-	___data_start = . ;
-	__Sdata = . ;
-	.data : {			/* Data */
-		CACHELINE_ALIGNED_DATA(32)
-		READ_MOSTLY_DATA(32)
-		DATA_DATA
-	}
-	__edata = . ;			/* End of data section. */
-	_edata = . ;
-
-	BUG_TABLE
-
-	INIT_TASK_DATA_SECTION(PAGE_SIZE)
-
-	. = ALIGN(PAGE_SIZE);		/* Init code and data. */
-	__init_begin = .;
-	INIT_TEXT_SECTION(PAGE_SIZE)
-	.init.data : { INIT_DATA }
-	.init.setup : { INIT_SETUP(16) }
-	.initcall.init : {
-		INIT_CALLS
-	}
-
-	.con_initcall.init : {
-		CON_INITCALL
-	}
-	SECURITY_INIT
-
-	/* .exit.text is discarded at runtime, not link time,
-	 * to deal with references from __bug_table
-	 */
-	.exit.text : {
-		EXIT_TEXT
-	}
-	.exit.data : {
-		EXIT_DATA
-	}
-
-#ifdef CONFIG_ETRAX_ARCH_V10
-#ifdef CONFIG_BLK_DEV_INITRD
-	.init.ramfs : {
-		__initramfs_start = .;
-		*(.init.ramfs)
-		__initramfs_end = .;
-	}
-#endif
-#endif
-	__vmlinux_end = .;		/* Last address of the physical file. */
-#ifdef CONFIG_ETRAX_ARCH_V32
-	PERCPU_SECTION(32)
-
-	.init.ramfs : {
-		INIT_RAM_FS
-	}
-#endif
-
-	/*
-	 * We fill to the next page, so we can discard all init
-	 * pages without needing to consider what payload might be
-	 * appended to the kernel image.
-	 */
-	. = ALIGN(PAGE_SIZE);
-
-	__init_end = .;
-
-	__data_end = . ;		/* Move to _edata ? */
-	BSS_SECTION(1, 1, 1)
-
-	. =  ALIGN (0x20);
-	_end = .;
-	__end = .;
-
-	dram_end = dram_start + (CONFIG_ETRAX_DRAM_SIZE - __CONFIG_ETRAX_VMEM_SIZE)*1024*1024;
-
-	DISCARDS
-}