mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-08 18:43:21 +01:00
Mike Rapoport
65fddcfca8
The replacement of <asm/pgrable.h> with <linux/pgtable.h> made the include
of the latter in the middle of asm includes. Fix this up with the aid of
the below script and manual adjustments here and there.
import sys
import re
if len(sys.argv) is not 3:
print "USAGE: %s <file> <header>" % (sys.argv[0])
sys.exit(1)
hdr_to_move="#include <linux/%s>" % sys.argv[2]
moved = False
in_hdrs = False
with open(sys.argv[1], "r") as f:
lines = f.readlines()
for _line in lines:
line = _line.rstrip('
')
if line == hdr_to_move:
continue
if line.startswith("#include <linux/"):
in_hdrs = True
elif not moved and in_hdrs:
moved = True
print hdr_to_move
print line
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Cain <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Chris Zankel <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Greentime Hu <[email protected]>
Cc: Greg Ungerer <[email protected]>
Cc: Guan Xuetao <[email protected]>
Cc: Guo Ren <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Helge Deller <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Ley Foon Tan <[email protected]>
Cc: Mark Salter <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Matt Turner <[email protected]>
Cc: Max Filippov <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Nick Hu <[email protected]>
Cc: Paul Walmsley <[email protected]>
Cc: Richard Weinberger <[email protected]>
Cc: Rich Felker <[email protected]>
Cc: Russell King <[email protected]>
Cc: Stafford Horne <[email protected]>
Cc: Thomas Bogendoerfer <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Vincent Chen <[email protected]>
Cc: Vineet Gupta <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Yoshinori Sato <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
229 lines
5.3 KiB
C
229 lines
5.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Common prep/pmac/chrp boot and setup code.
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*/
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#include <linux/module.h>
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#include <linux/string.h>
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#include <linux/sched.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/reboot.h>
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#include <linux/delay.h>
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#include <linux/initrd.h>
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#include <linux/tty.h>
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#include <linux/seq_file.h>
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#include <linux/root_dev.h>
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#include <linux/cpu.h>
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#include <linux/console.h>
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#include <linux/memblock.h>
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#include <linux/export.h>
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#include <linux/nvram.h>
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#include <linux/pgtable.h>
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#include <asm/io.h>
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#include <asm/prom.h>
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#include <asm/processor.h>
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#include <asm/setup.h>
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#include <asm/smp.h>
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#include <asm/elf.h>
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#include <asm/cputable.h>
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#include <asm/bootx.h>
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#include <asm/btext.h>
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#include <asm/machdep.h>
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#include <linux/uaccess.h>
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#include <asm/pmac_feature.h>
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#include <asm/sections.h>
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#include <asm/nvram.h>
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#include <asm/xmon.h>
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#include <asm/time.h>
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#include <asm/serial.h>
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#include <asm/udbg.h>
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#include <asm/code-patching.h>
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#include <asm/cpu_has_feature.h>
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#include <asm/asm-prototypes.h>
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#include <asm/kdump.h>
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#include <asm/feature-fixups.h>
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#include <asm/early_ioremap.h>
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#include "setup.h"
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#define DBG(fmt...)
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extern void bootx_init(unsigned long r4, unsigned long phys);
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int boot_cpuid_phys;
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EXPORT_SYMBOL_GPL(boot_cpuid_phys);
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int smp_hw_index[NR_CPUS];
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EXPORT_SYMBOL(smp_hw_index);
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unsigned int DMA_MODE_READ;
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unsigned int DMA_MODE_WRITE;
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EXPORT_SYMBOL(DMA_MODE_READ);
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EXPORT_SYMBOL(DMA_MODE_WRITE);
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/*
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* This is run before start_kernel(), the kernel has been relocated
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* and we are running with enough of the MMU enabled to have our
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* proper kernel virtual addresses
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*
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* We do the initial parsing of the flat device-tree and prepares
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* for the MMU to be fully initialized.
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*/
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notrace void __init machine_init(u64 dt_ptr)
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{
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struct ppc_inst *addr = (struct ppc_inst *)patch_site_addr(&patch__memset_nocache);
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struct ppc_inst insn;
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/* Configure static keys first, now that we're relocated. */
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setup_feature_keys();
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early_ioremap_init();
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/* Enable early debugging if any specified (see udbg.h) */
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udbg_early_init();
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patch_instruction_site(&patch__memcpy_nocache, ppc_inst(PPC_INST_NOP));
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create_cond_branch(&insn, addr, branch_target(addr), 0x820000);
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patch_instruction(addr, insn); /* replace b by bne cr0 */
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/* Do some early initialization based on the flat device tree */
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early_init_devtree(__va(dt_ptr));
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early_init_mmu();
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setup_kdump_trampoline();
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}
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/* Checks "l2cr=xxxx" command-line option */
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static int __init ppc_setup_l2cr(char *str)
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{
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if (cpu_has_feature(CPU_FTR_L2CR)) {
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unsigned long val = simple_strtoul(str, NULL, 0);
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printk(KERN_INFO "l2cr set to %lx\n", val);
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_set_L2CR(0); /* force invalidate by disable cache */
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_set_L2CR(val); /* and enable it */
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}
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return 1;
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}
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__setup("l2cr=", ppc_setup_l2cr);
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/* Checks "l3cr=xxxx" command-line option */
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static int __init ppc_setup_l3cr(char *str)
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{
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if (cpu_has_feature(CPU_FTR_L3CR)) {
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unsigned long val = simple_strtoul(str, NULL, 0);
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printk(KERN_INFO "l3cr set to %lx\n", val);
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_set_L3CR(val); /* and enable it */
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}
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return 1;
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}
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__setup("l3cr=", ppc_setup_l3cr);
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static int __init ppc_init(void)
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{
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/* clear the progress line */
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if (ppc_md.progress)
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ppc_md.progress(" ", 0xffff);
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/* call platform init */
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if (ppc_md.init != NULL) {
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ppc_md.init();
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}
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return 0;
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}
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arch_initcall(ppc_init);
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static void *__init alloc_stack(void)
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{
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void *ptr = memblock_alloc(THREAD_SIZE, THREAD_ALIGN);
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if (!ptr)
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panic("cannot allocate %d bytes for stack at %pS\n",
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THREAD_SIZE, (void *)_RET_IP_);
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return ptr;
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}
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void __init irqstack_early_init(void)
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{
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unsigned int i;
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if (IS_ENABLED(CONFIG_VMAP_STACK))
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return;
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/* interrupt stacks must be in lowmem, we get that for free on ppc32
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* as the memblock is limited to lowmem by default */
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for_each_possible_cpu(i) {
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softirq_ctx[i] = alloc_stack();
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hardirq_ctx[i] = alloc_stack();
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}
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}
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#ifdef CONFIG_VMAP_STACK
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void *emergency_ctx[NR_CPUS] __ro_after_init;
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void __init emergency_stack_init(void)
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{
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unsigned int i;
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for_each_possible_cpu(i)
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emergency_ctx[i] = alloc_stack();
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}
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#endif
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#if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
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void __init exc_lvl_early_init(void)
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{
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unsigned int i, hw_cpu;
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/* interrupt stacks must be in lowmem, we get that for free on ppc32
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* as the memblock is limited to lowmem by MEMBLOCK_REAL_LIMIT */
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for_each_possible_cpu(i) {
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#ifdef CONFIG_SMP
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hw_cpu = get_hard_smp_processor_id(i);
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#else
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hw_cpu = 0;
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#endif
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critirq_ctx[hw_cpu] = alloc_stack();
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#ifdef CONFIG_BOOKE
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dbgirq_ctx[hw_cpu] = alloc_stack();
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mcheckirq_ctx[hw_cpu] = alloc_stack();
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#endif
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}
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}
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#endif
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void __init setup_power_save(void)
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{
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#ifdef CONFIG_PPC_BOOK3S_32
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if (cpu_has_feature(CPU_FTR_CAN_DOZE) ||
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cpu_has_feature(CPU_FTR_CAN_NAP))
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ppc_md.power_save = ppc6xx_idle;
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#endif
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#ifdef CONFIG_E500
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if (cpu_has_feature(CPU_FTR_CAN_DOZE) ||
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cpu_has_feature(CPU_FTR_CAN_NAP))
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ppc_md.power_save = e500_idle;
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#endif
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}
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__init void initialize_cache_info(void)
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{
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/*
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* Set cache line size based on type of cpu as a default.
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* Systems with OF can look in the properties on the cpu node(s)
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* for a possibly more accurate value.
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*/
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dcache_bsize = cur_cpu_spec->dcache_bsize;
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icache_bsize = cur_cpu_spec->icache_bsize;
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ucache_bsize = 0;
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if (IS_ENABLED(CONFIG_PPC_BOOK3S_601) || IS_ENABLED(CONFIG_E200))
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ucache_bsize = icache_bsize = dcache_bsize;
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}
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