linux/arch/loongarch/include/asm/efi.h
Linus Torvalds 2f26e42455 LoongArch changes for v6.2
1, Switch to relative exception tables;
 2, Add unaligned access support;
 3, Add alternative runtime patching mechanism;
 4, Add FDT booting support from efi system table;
 5, Add suspend/hibernation (ACPI S3/S4) support;
 6, Add basic STACKPROTECTOR support;
 7, Add ftrace (function tracer) support;
 8, Update the default config file.
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Merge tag 'loongarch-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch updates from Huacai Chen:

 - Switch to relative exception tables

 - Add unaligned access support

 - Add alternative runtime patching mechanism

 - Add FDT booting support from efi system table

 - Add suspend/hibernation (ACPI S3/S4) support

 - Add basic STACKPROTECTOR support

 - Add ftrace (function tracer) support

 - Update the default config file

* tag 'loongarch-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (24 commits)
  LoongArch: Update Loongson-3 default config file
  LoongArch: modules/ftrace: Initialize PLT at load time
  LoongArch/ftrace: Add HAVE_FUNCTION_GRAPH_RET_ADDR_PTR support
  LoongArch/ftrace: Add HAVE_DYNAMIC_FTRACE_WITH_ARGS support
  LoongArch/ftrace: Add HAVE_DYNAMIC_FTRACE_WITH_REGS support
  LoongArch/ftrace: Add dynamic function graph tracer support
  LoongArch/ftrace: Add dynamic function tracer support
  LoongArch/ftrace: Add recordmcount support
  LoongArch/ftrace: Add basic support
  LoongArch: module: Use got/plt section indices for relocations
  LoongArch: Add basic STACKPROTECTOR support
  LoongArch: Add hibernation (ACPI S4) support
  LoongArch: Add suspend (ACPI S3) support
  LoongArch: Add processing ISA Node in DeviceTree
  LoongArch: Add FDT booting support from efi system table
  LoongArch: Use alternative to optimize libraries
  LoongArch: Add alternative runtime patching mechanism
  LoongArch: Add unaligned access support
  LoongArch: BPF: Add BPF exception tables
  LoongArch: Remove the .fixup section usage
  ...
2022-12-19 08:23:27 -06:00

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C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#ifndef _ASM_LOONGARCH_EFI_H
#define _ASM_LOONGARCH_EFI_H
#include <linux/efi.h>
void __init efi_init(void);
void __init efi_runtime_init(void);
void __init *efi_fdt_pointer(void);
void efifb_setup_from_dmi(struct screen_info *si, const char *opt);
#define ARCH_EFI_IRQ_FLAGS_MASK 0x00000004 /* Bit 2: CSR.CRMD.IE */
#define arch_efi_call_virt_setup()
#define arch_efi_call_virt_teardown()
#define EFI_ALLOC_ALIGN SZ_64K
#define EFI_RT_VIRTUAL_OFFSET CSR_DMW0_BASE
static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr)
{
return ULONG_MAX;
}
static inline unsigned long efi_get_kimg_min_align(void)
{
return SZ_2M;
}
#define EFI_KIMG_PREFERRED_ADDRESS PHYSADDR(VMLINUX_LOAD_ADDRESS)
unsigned long kernel_entry_address(void);
#endif /* _ASM_LOONGARCH_EFI_H */