forked from Minki/linux
EFI boot support for loongarch
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE+9lifEBpyUIVN1cpw08iOZLZjyQFAmMXEPMACgkQw08iOZLZ jySwXwv+LUbReZM78R3bA39fYnUU3McEcdZtRlFpoqjueZU55TTVnWyvwdCOzaFd ZsjoNY0NUT2AnO0kH8aXwy9uD+cHxgfl5DDhff+MuHoNOO3XTEq8leBVjRuY8Po6 +PyjP0uszHPo8rDlz2/yIauyJ/kwrDd/ptpxPiBOvdEVRIBxVBvhQdSrfoPPX6vl A61SFJRIWZ5cH3ACerNiwcMyhYuybmBhx2OX4mrLh1TfzMMMv5+J4EC0hdFdapr2 tP859NfFotUX6KySsoAuEolUNqIG0ET67DWiLrxrz9BBffs+IaTpBopFSyXAT15t R+sF4CLPj0K70H5dCyszzCBvrpnQE1Maumoc1ob2dbW6st1xzVnk9Flpdw1z1Eaj tSfBX1Pv5SKWGJQrbgTa39zCp/WIpAvtxqxSxPWrkLByWOFtn8HI/aRZIjqhimjv s/Hri2UhhETayrHs0DapPrN5M5oZ3qHgSsuPDCG94MfDUJYvBUTUyLG9XfxNw4nD PgBhTrB8 =/T5q -----END PGP SIGNATURE----- Merge tag 'efi-loongarch-for-v6.1' into efi/next EFI boot support for loongarch
This commit is contained in:
Ard Biesheuvel
commit
4bf2329882
@ -317,6 +317,15 @@ config EFI
|
||||
This enables the kernel to use EFI runtime services that are
|
||||
available (such as the EFI variable services).
|
||||
|
||||
config EFI_STUB
|
||||
bool "EFI boot stub support"
|
||||
default y
|
||||
depends on EFI
|
||||
select EFI_GENERIC_STUB
|
||||
help
|
||||
This kernel feature allows the kernel to be loaded directly by
|
||||
EFI firmware without the use of a bootloader.
|
||||
|
||||
config SMP
|
||||
bool "Multi-Processing support"
|
||||
help
|
||||
|
||||
@ -7,7 +7,11 @@ boot := arch/loongarch/boot
|
||||
|
||||
KBUILD_DEFCONFIG := loongson3_defconfig
|
||||
|
||||
KBUILD_IMAGE = $(boot)/vmlinux
|
||||
ifndef CONFIG_EFI_STUB
|
||||
KBUILD_IMAGE := $(boot)/vmlinux.elf
|
||||
else
|
||||
KBUILD_IMAGE := $(boot)/vmlinux.efi
|
||||
endif
|
||||
|
||||
#
|
||||
# Select the object file format to substitute into the linker script.
|
||||
@ -75,6 +79,7 @@ endif
|
||||
head-y := arch/loongarch/kernel/head.o
|
||||
|
||||
libs-y += arch/loongarch/lib/
|
||||
libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
|
||||
|
||||
ifeq ($(KBUILD_EXTMOD),)
|
||||
prepare: vdso_prepare
|
||||
@ -86,10 +91,10 @@ PHONY += vdso_install
|
||||
vdso_install:
|
||||
$(Q)$(MAKE) $(build)=arch/loongarch/vdso $@
|
||||
|
||||
all: $(KBUILD_IMAGE)
|
||||
all: $(notdir $(KBUILD_IMAGE))
|
||||
|
||||
$(KBUILD_IMAGE): vmlinux
|
||||
$(Q)$(MAKE) $(build)=$(boot) $(bootvars-y) $@
|
||||
vmlinux.elf vmlinux.efi: vmlinux
|
||||
$(Q)$(MAKE) $(build)=$(boot) $(bootvars-y) $(boot)/$@
|
||||
|
||||
install:
|
||||
$(Q)install -D -m 755 $(KBUILD_IMAGE) $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
|
||||
|
||||
@ -8,9 +8,13 @@ drop-sections := .comment .note .options .note.gnu.build-id
|
||||
strip-flags := $(addprefix --remove-section=,$(drop-sections)) -S
|
||||
OBJCOPYFLAGS_vmlinux.efi := -O binary $(strip-flags)
|
||||
|
||||
targets := vmlinux
|
||||
quiet_cmd_strip = STRIP $@
|
||||
cmd_strip = $(STRIP) -s -o $@ $<
|
||||
|
||||
$(obj)/vmlinux: vmlinux FORCE
|
||||
targets := vmlinux.elf
|
||||
$(obj)/vmlinux.elf: vmlinux FORCE
|
||||
$(call if_changed,strip)
|
||||
|
||||
targets += vmlinux.efi
|
||||
$(obj)/vmlinux.efi: vmlinux FORCE
|
||||
$(call if_changed,objcopy)
|
||||
|
||||
@ -17,9 +17,16 @@ void efifb_setup_from_dmi(struct screen_info *si, const char *opt);
|
||||
#define arch_efi_call_virt_teardown()
|
||||
|
||||
#define EFI_ALLOC_ALIGN SZ_64K
|
||||
#define EFI_RT_VIRTUAL_OFFSET CSR_DMW0_BASE
|
||||
|
||||
struct screen_info *alloc_screen_info(void);
|
||||
void free_screen_info(struct screen_info *si);
|
||||
static inline struct screen_info *alloc_screen_info(void)
|
||||
{
|
||||
return &screen_info;
|
||||
}
|
||||
|
||||
static inline void free_screen_info(struct screen_info *si)
|
||||
{
|
||||
}
|
||||
|
||||
static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr)
|
||||
{
|
||||
|
||||
99
arch/loongarch/kernel/efi-header.S
Normal file
99
arch/loongarch/kernel/efi-header.S
Normal file
@ -0,0 +1,99 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
/*
|
||||
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
|
||||
*/
|
||||
|
||||
#include <linux/pe.h>
|
||||
#include <linux/sizes.h>
|
||||
|
||||
.macro __EFI_PE_HEADER
|
||||
.long PE_MAGIC
|
||||
.Lcoff_header:
|
||||
.short IMAGE_FILE_MACHINE_LOONGARCH64 /* Machine */
|
||||
.short .Lsection_count /* NumberOfSections */
|
||||
.long 0 /* TimeDateStamp */
|
||||
.long 0 /* PointerToSymbolTable */
|
||||
.long 0 /* NumberOfSymbols */
|
||||
.short .Lsection_table - .Loptional_header /* SizeOfOptionalHeader */
|
||||
.short IMAGE_FILE_DEBUG_STRIPPED | \
|
||||
IMAGE_FILE_EXECUTABLE_IMAGE | \
|
||||
IMAGE_FILE_LINE_NUMS_STRIPPED /* Characteristics */
|
||||
|
||||
.Loptional_header:
|
||||
.short PE_OPT_MAGIC_PE32PLUS /* PE32+ format */
|
||||
.byte 0x02 /* MajorLinkerVersion */
|
||||
.byte 0x14 /* MinorLinkerVersion */
|
||||
.long __inittext_end - .Lefi_header_end /* SizeOfCode */
|
||||
.long _end - __initdata_begin /* SizeOfInitializedData */
|
||||
.long 0 /* SizeOfUninitializedData */
|
||||
.long __efistub_efi_pe_entry - _head /* AddressOfEntryPoint */
|
||||
.long .Lefi_header_end - _head /* BaseOfCode */
|
||||
|
||||
.Lextra_header_fields:
|
||||
.quad 0 /* ImageBase */
|
||||
.long PECOFF_SEGMENT_ALIGN /* SectionAlignment */
|
||||
.long PECOFF_FILE_ALIGN /* FileAlignment */
|
||||
.short 0 /* MajorOperatingSystemVersion */
|
||||
.short 0 /* MinorOperatingSystemVersion */
|
||||
.short LINUX_EFISTUB_MAJOR_VERSION /* MajorImageVersion */
|
||||
.short LINUX_EFISTUB_MINOR_VERSION /* MinorImageVersion */
|
||||
.short 0 /* MajorSubsystemVersion */
|
||||
.short 0 /* MinorSubsystemVersion */
|
||||
.long 0 /* Win32VersionValue */
|
||||
|
||||
.long _end - _head /* SizeOfImage */
|
||||
|
||||
/* Everything before the kernel image is considered part of the header */
|
||||
.long .Lefi_header_end - _head /* SizeOfHeaders */
|
||||
.long 0 /* CheckSum */
|
||||
.short IMAGE_SUBSYSTEM_EFI_APPLICATION /* Subsystem */
|
||||
.short 0 /* DllCharacteristics */
|
||||
.quad 0 /* SizeOfStackReserve */
|
||||
.quad 0 /* SizeOfStackCommit */
|
||||
.quad 0 /* SizeOfHeapReserve */
|
||||
.quad 0 /* SizeOfHeapCommit */
|
||||
.long 0 /* LoaderFlags */
|
||||
.long (.Lsection_table - .) / 8 /* NumberOfRvaAndSizes */
|
||||
|
||||
.quad 0 /* ExportTable */
|
||||
.quad 0 /* ImportTable */
|
||||
.quad 0 /* ResourceTable */
|
||||
.quad 0 /* ExceptionTable */
|
||||
.quad 0 /* CertificationTable */
|
||||
.quad 0 /* BaseRelocationTable */
|
||||
|
||||
/* Section table */
|
||||
.Lsection_table:
|
||||
.ascii ".text\0\0\0"
|
||||
.long __inittext_end - .Lefi_header_end /* VirtualSize */
|
||||
.long .Lefi_header_end - _head /* VirtualAddress */
|
||||
.long __inittext_end - .Lefi_header_end /* SizeOfRawData */
|
||||
.long .Lefi_header_end - _head /* PointerToRawData */
|
||||
|
||||
.long 0 /* PointerToRelocations */
|
||||
.long 0 /* PointerToLineNumbers */
|
||||
.short 0 /* NumberOfRelocations */
|
||||
.short 0 /* NumberOfLineNumbers */
|
||||
.long IMAGE_SCN_CNT_CODE | \
|
||||
IMAGE_SCN_MEM_READ | \
|
||||
IMAGE_SCN_MEM_EXECUTE /* Characteristics */
|
||||
|
||||
.ascii ".data\0\0\0"
|
||||
.long _end - __initdata_begin /* VirtualSize */
|
||||
.long __initdata_begin - _head /* VirtualAddress */
|
||||
.long _edata - __initdata_begin /* SizeOfRawData */
|
||||
.long __initdata_begin - _head /* PointerToRawData */
|
||||
|
||||
.long 0 /* PointerToRelocations */
|
||||
.long 0 /* PointerToLineNumbers */
|
||||
.short 0 /* NumberOfRelocations */
|
||||
.short 0 /* NumberOfLineNumbers */
|
||||
.long IMAGE_SCN_CNT_INITIALIZED_DATA | \
|
||||
IMAGE_SCN_MEM_READ | \
|
||||
IMAGE_SCN_MEM_WRITE /* Characteristics */
|
||||
|
||||
.set .Lsection_count, (. - .Lsection_table) / 40
|
||||
|
||||
.balign 0x10000 /* PECOFF_SEGMENT_ALIGN */
|
||||
.Lefi_header_end:
|
||||
.endm
|
||||
@ -69,4 +69,7 @@ void __init efi_init(void)
|
||||
config_tables = early_memremap(efi_config_table, efi_nr_tables * size);
|
||||
efi_config_parse_tables(config_tables, efi_systab->nr_tables, arch_tables);
|
||||
early_memunmap(config_tables, efi_nr_tables * size);
|
||||
|
||||
if (screen_info.orig_video_isVGA == VIDEO_TYPE_EFI)
|
||||
memblock_reserve(screen_info.lfb_base, screen_info.lfb_size);
|
||||
}
|
||||
|
||||
@ -12,6 +12,26 @@
|
||||
#include <asm/loongarch.h>
|
||||
#include <asm/stackframe.h>
|
||||
|
||||
#ifdef CONFIG_EFI_STUB
|
||||
|
||||
#include "efi-header.S"
|
||||
|
||||
__HEAD
|
||||
|
||||
_head:
|
||||
.word MZ_MAGIC /* "MZ", MS-DOS header */
|
||||
.org 0x3c /* 0x04 ~ 0x3b reserved */
|
||||
.long pe_header - _head /* Offset to the PE header */
|
||||
|
||||
pe_header:
|
||||
__EFI_PE_HEADER
|
||||
|
||||
SYM_DATA(kernel_asize, .long _end - _text);
|
||||
SYM_DATA(kernel_fsize, .long _edata - _text);
|
||||
SYM_DATA(kernel_offset, .long kernel_offset - _text);
|
||||
|
||||
#endif
|
||||
|
||||
__REF
|
||||
|
||||
SYM_CODE_START(kernel_entry) # kernel entry point
|
||||
|
||||
30
arch/loongarch/kernel/image-vars.h
Normal file
30
arch/loongarch/kernel/image-vars.h
Normal file
@ -0,0 +1,30 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
/*
|
||||
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
|
||||
*/
|
||||
#ifndef __LOONGARCH_KERNEL_IMAGE_VARS_H
|
||||
#define __LOONGARCH_KERNEL_IMAGE_VARS_H
|
||||
|
||||
#ifdef CONFIG_EFI_STUB
|
||||
|
||||
__efistub_memcmp = memcmp;
|
||||
__efistub_memchr = memchr;
|
||||
__efistub_memcpy = memcpy;
|
||||
__efistub_memmove = memmove;
|
||||
__efistub_memset = memset;
|
||||
__efistub_strcat = strcat;
|
||||
__efistub_strcmp = strcmp;
|
||||
__efistub_strlen = strlen;
|
||||
__efistub_strncat = strncat;
|
||||
__efistub_strnstr = strnstr;
|
||||
__efistub_strnlen = strnlen;
|
||||
__efistub_strrchr = strrchr;
|
||||
__efistub_kernel_entry = kernel_entry;
|
||||
__efistub_kernel_asize = kernel_asize;
|
||||
__efistub_kernel_fsize = kernel_fsize;
|
||||
__efistub_kernel_offset = kernel_offset;
|
||||
__efistub_screen_info = screen_info;
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* __LOONGARCH_KERNEL_IMAGE_VARS_H */
|
||||
@ -49,9 +49,7 @@
|
||||
#define SMBIOS_CORE_PACKAGE_OFFSET 0x23
|
||||
#define LOONGSON_EFI_ENABLE (1 << 3)
|
||||
|
||||
#ifdef CONFIG_VT
|
||||
struct screen_info screen_info;
|
||||
#endif
|
||||
struct screen_info screen_info __section(".data");
|
||||
|
||||
unsigned long fw_arg0, fw_arg1;
|
||||
DEFINE_PER_CPU(unsigned long, kernelsp);
|
||||
@ -122,16 +120,9 @@ static void __init parse_cpu_table(const struct dmi_header *dm)
|
||||
|
||||
static void __init parse_bios_table(const struct dmi_header *dm)
|
||||
{
|
||||
int bios_extern;
|
||||
char *dmi_data = (char *)dm;
|
||||
|
||||
bios_extern = *(dmi_data + SMBIOS_BIOSEXTERN_OFFSET);
|
||||
b_info.bios_size = (*(dmi_data + SMBIOS_BIOSSIZE_OFFSET) + 1) << 6;
|
||||
|
||||
if (bios_extern & LOONGSON_EFI_ENABLE)
|
||||
set_bit(EFI_BOOT, &efi.flags);
|
||||
else
|
||||
clear_bit(EFI_BOOT, &efi.flags);
|
||||
}
|
||||
|
||||
static void __init find_tokens(const struct dmi_header *dm, void *dummy)
|
||||
|
||||
@ -12,6 +12,7 @@
|
||||
#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir)
|
||||
|
||||
#include <asm-generic/vmlinux.lds.h>
|
||||
#include "image-vars.h"
|
||||
|
||||
/*
|
||||
* Max avaliable Page Size is 64K, so we set SectionAlignment
|
||||
|
||||
@ -107,7 +107,7 @@ config EFI_GENERIC_STUB
|
||||
|
||||
config EFI_ARMSTUB_DTB_LOADER
|
||||
bool "Enable the DTB loader"
|
||||
depends on EFI_GENERIC_STUB && !RISCV
|
||||
depends on EFI_GENERIC_STUB && !RISCV && !LOONGARCH
|
||||
default y
|
||||
help
|
||||
Select this config option to add support for the dtb= command
|
||||
@ -124,7 +124,7 @@ config EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER
|
||||
bool "Enable the command line initrd loader" if !X86
|
||||
depends on EFI_STUB && (EFI_GENERIC_STUB || X86)
|
||||
default y if X86
|
||||
depends on !RISCV
|
||||
depends on !RISCV && !LOONGARCH
|
||||
help
|
||||
Select this config option to add support for the initrd= command
|
||||
line parameter, allowing an initrd that resides on the same volume
|
||||
|
||||
@ -26,6 +26,8 @@ cflags-$(CONFIG_ARM) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \
|
||||
$(call cc-option,-mno-single-pic-base)
|
||||
cflags-$(CONFIG_RISCV) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \
|
||||
-fpic
|
||||
cflags-$(CONFIG_LOONGARCH) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \
|
||||
-fpie
|
||||
|
||||
cflags-$(CONFIG_EFI_GENERIC_STUB) += -I$(srctree)/scripts/dtc/libfdt
|
||||
|
||||
@ -70,6 +72,8 @@ lib-$(CONFIG_ARM) += arm32-stub.o
|
||||
lib-$(CONFIG_ARM64) += arm64-stub.o
|
||||
lib-$(CONFIG_X86) += x86-stub.o
|
||||
lib-$(CONFIG_RISCV) += riscv-stub.o
|
||||
lib-$(CONFIG_LOONGARCH) += loongarch-stub.o
|
||||
|
||||
CFLAGS_arm32-stub.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
|
||||
|
||||
# Even when -mbranch-protection=none is set, Clang will generate a
|
||||
@ -125,6 +129,12 @@ STUBCOPY_FLAGS-$(CONFIG_RISCV) += --prefix-alloc-sections=.init \
|
||||
--prefix-symbols=__efistub_
|
||||
STUBCOPY_RELOC-$(CONFIG_RISCV) := R_RISCV_HI20
|
||||
|
||||
# For LoongArch, keep all the symbols in .init section and make sure that no
|
||||
# absolute symbols references exist.
|
||||
STUBCOPY_FLAGS-$(CONFIG_LOONGARCH) += --prefix-alloc-sections=.init \
|
||||
--prefix-symbols=__efistub_
|
||||
STUBCOPY_RELOC-$(CONFIG_LOONGARCH) := R_LARCH_MARK_LA
|
||||
|
||||
$(obj)/%.stub.o: $(obj)/%.o FORCE
|
||||
$(call if_changed,stubcopy)
|
||||
|
||||
|
||||
@ -40,14 +40,22 @@
|
||||
|
||||
#ifdef CONFIG_ARM64
|
||||
# define EFI_RT_VIRTUAL_LIMIT DEFAULT_MAP_WINDOW_64
|
||||
#elif defined(CONFIG_RISCV)
|
||||
#elif defined(CONFIG_RISCV) || defined(CONFIG_LOONGARCH)
|
||||
# define EFI_RT_VIRTUAL_LIMIT TASK_SIZE_MIN
|
||||
#else
|
||||
#else /* Only if TASK_SIZE is a constant */
|
||||
# define EFI_RT_VIRTUAL_LIMIT TASK_SIZE
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Some architectures map the EFI regions into the kernel's linear map using a
|
||||
* fixed offset.
|
||||
*/
|
||||
#ifndef EFI_RT_VIRTUAL_OFFSET
|
||||
#define EFI_RT_VIRTUAL_OFFSET 0
|
||||
#endif
|
||||
|
||||
static u64 virtmap_base = EFI_RT_VIRTUAL_BASE;
|
||||
static bool flat_va_mapping;
|
||||
static bool flat_va_mapping = (EFI_RT_VIRTUAL_OFFSET != 0);
|
||||
|
||||
const efi_system_table_t *efi_system_table;
|
||||
|
||||
@ -254,8 +262,8 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
|
||||
* The easiest way to achieve that is to simply use a 1:1 mapping.
|
||||
*/
|
||||
prop_tbl = get_efi_config_table(EFI_PROPERTIES_TABLE_GUID);
|
||||
flat_va_mapping = prop_tbl &&
|
||||
(prop_tbl->memory_protection_attribute &
|
||||
flat_va_mapping |= prop_tbl &&
|
||||
(prop_tbl->memory_protection_attribute &
|
||||
EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA);
|
||||
|
||||
/* force efi_novamap if SetVirtualAddressMap() is unsupported */
|
||||
@ -338,7 +346,7 @@ void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size,
|
||||
paddr = in->phys_addr;
|
||||
size = in->num_pages * EFI_PAGE_SIZE;
|
||||
|
||||
in->virt_addr = in->phys_addr;
|
||||
in->virt_addr = in->phys_addr + EFI_RT_VIRTUAL_OFFSET;
|
||||
if (efi_novamap) {
|
||||
continue;
|
||||
}
|
||||
|
||||
60
drivers/firmware/efi/libstub/loongarch-stub.c
Normal file
60
drivers/firmware/efi/libstub/loongarch-stub.c
Normal file
@ -0,0 +1,60 @@
|
||||
// SPDX-License-Identifier: GPL-2.0
|
||||
/*
|
||||
* Author: Yun Liu <liuyun@loongson.cn>
|
||||
* Huacai Chen <chenhuacai@loongson.cn>
|
||||
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
|
||||
*/
|
||||
|
||||
#include <asm/efi.h>
|
||||
#include <asm/addrspace.h>
|
||||
#include "efistub.h"
|
||||
|
||||
typedef void __noreturn (*kernel_entry_t)(bool efi, unsigned long fdt);
|
||||
|
||||
extern int kernel_asize;
|
||||
extern int kernel_fsize;
|
||||
extern int kernel_offset;
|
||||
extern kernel_entry_t kernel_entry;
|
||||
|
||||
efi_status_t check_platform_features(void)
|
||||
{
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
efi_status_t handle_kernel_image(unsigned long *image_addr,
|
||||
unsigned long *image_size,
|
||||
unsigned long *reserve_addr,
|
||||
unsigned long *reserve_size,
|
||||
efi_loaded_image_t *image,
|
||||
efi_handle_t image_handle)
|
||||
{
|
||||
efi_status_t status;
|
||||
unsigned long kernel_addr = 0;
|
||||
|
||||
kernel_addr = (unsigned long)&kernel_offset - kernel_offset;
|
||||
|
||||
status = efi_relocate_kernel(&kernel_addr, kernel_fsize, kernel_asize,
|
||||
PHYSADDR(VMLINUX_LOAD_ADDRESS), SZ_2M, 0x0);
|
||||
|
||||
*image_addr = kernel_addr;
|
||||
*image_size = kernel_asize;
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
void __noreturn efi_enter_kernel(unsigned long entrypoint, unsigned long fdt, unsigned long fdt_size)
|
||||
{
|
||||
kernel_entry_t real_kernel_entry;
|
||||
|
||||
/* Config Direct Mapping */
|
||||
csr_write64(CSR_DMW0_INIT, LOONGARCH_CSR_DMWIN0);
|
||||
csr_write64(CSR_DMW1_INIT, LOONGARCH_CSR_DMWIN1);
|
||||
|
||||
real_kernel_entry = (kernel_entry_t)
|
||||
((unsigned long)&kernel_entry - entrypoint + VMLINUX_LOAD_ADDRESS);
|
||||
|
||||
if (!efi_novamap)
|
||||
real_kernel_entry(true, fdt);
|
||||
else
|
||||
real_kernel_entry(false, fdt);
|
||||
}
|
||||
@ -65,6 +65,8 @@
|
||||
#define IMAGE_FILE_MACHINE_SH5 0x01a8
|
||||
#define IMAGE_FILE_MACHINE_THUMB 0x01c2
|
||||
#define IMAGE_FILE_MACHINE_WCEMIPSV2 0x0169
|
||||
#define IMAGE_FILE_MACHINE_LOONGARCH32 0x6232
|
||||
#define IMAGE_FILE_MACHINE_LOONGARCH64 0x6264
|
||||
|
||||
/* flags */
|
||||
#define IMAGE_FILE_RELOCS_STRIPPED 0x0001
|
||||
|
||||
Loading…
Reference in New Issue
Block a user