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 <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Cain <bcain@codeaurora.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Guo Ren <guoren@kernel.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: http://lkml.kernel.org/r/20200514170327.31389-4-rppt@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Extensible Firmware Interface
|
|
*
|
|
* Based on Extensible Firmware Interface Specification version 1.0
|
|
*
|
|
* Copyright (C) 1999 VA Linux Systems
|
|
* Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
|
|
* Copyright (C) 1999-2002 Hewlett-Packard Co.
|
|
* David Mosberger-Tang <davidm@hpl.hp.com>
|
|
* Stephane Eranian <eranian@hpl.hp.com>
|
|
*
|
|
* All EFI Runtime Services are not implemented yet as EFI only
|
|
* supports physical mode addressing on SoftSDV. This is to be fixed
|
|
* in a future version. --drummond 1999-07-20
|
|
*
|
|
* Implemented EFI runtime services and virtual mode calls. --davidm
|
|
*
|
|
* Goutham Rao: <goutham.rao@intel.com>
|
|
* Skip non-WB memory and ignore empty memory ranges.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/efi.h>
|
|
#include <linux/pgtable.h>
|
|
|
|
#include <asm/io.h>
|
|
#include <asm/desc.h>
|
|
#include <asm/page.h>
|
|
#include <asm/tlbflush.h>
|
|
#include <asm/efi.h>
|
|
|
|
/*
|
|
* To make EFI call EFI runtime service in physical addressing mode we need
|
|
* prolog/epilog before/after the invocation to claim the EFI runtime service
|
|
* handler exclusively and to duplicate a memory mapping in low memory space,
|
|
* say 0 - 3G.
|
|
*/
|
|
|
|
int __init efi_alloc_page_tables(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void efi_sync_low_kernel_mappings(void) {}
|
|
|
|
void __init efi_dump_pagetable(void)
|
|
{
|
|
#ifdef CONFIG_EFI_PGT_DUMP
|
|
ptdump_walk_pgd_level(NULL, &init_mm);
|
|
#endif
|
|
}
|
|
|
|
int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void __init efi_map_region(efi_memory_desc_t *md)
|
|
{
|
|
old_map_region(md);
|
|
}
|
|
|
|
void __init efi_map_region_fixed(efi_memory_desc_t *md) {}
|
|
void __init parse_efi_setup(u64 phys_addr, u32 data_len) {}
|
|
|
|
efi_status_t efi_call_svam(efi_runtime_services_t * const *,
|
|
u32, u32, u32, void *, u32);
|
|
|
|
efi_status_t __init efi_set_virtual_address_map(unsigned long memory_map_size,
|
|
unsigned long descriptor_size,
|
|
u32 descriptor_version,
|
|
efi_memory_desc_t *virtual_map,
|
|
unsigned long systab_phys)
|
|
{
|
|
const efi_system_table_t *systab = (efi_system_table_t *)systab_phys;
|
|
struct desc_ptr gdt_descr;
|
|
efi_status_t status;
|
|
unsigned long flags;
|
|
pgd_t *save_pgd;
|
|
|
|
/* Current pgd is swapper_pg_dir, we'll restore it later: */
|
|
save_pgd = swapper_pg_dir;
|
|
load_cr3(initial_page_table);
|
|
__flush_tlb_all();
|
|
|
|
gdt_descr.address = get_cpu_gdt_paddr(0);
|
|
gdt_descr.size = GDT_SIZE - 1;
|
|
load_gdt(&gdt_descr);
|
|
|
|
/* Disable interrupts around EFI calls: */
|
|
local_irq_save(flags);
|
|
status = efi_call_svam(&systab->runtime,
|
|
memory_map_size, descriptor_size,
|
|
descriptor_version, virtual_map,
|
|
__pa(&efi.runtime));
|
|
local_irq_restore(flags);
|
|
|
|
load_fixmap_gdt(0);
|
|
load_cr3(save_pgd);
|
|
__flush_tlb_all();
|
|
|
|
return status;
|
|
}
|
|
|
|
void __init efi_runtime_update_mappings(void)
|
|
{
|
|
if (__supported_pte_mask & _PAGE_NX)
|
|
runtime_code_page_mkexec();
|
|
}
|