Move riscv64 default to objcopy

Fixes ncroxon/gnu-efi#11

Signed-off-by: Callum Farmer <gmbr3@opensuse.org>
This commit is contained in:
Callum Farmer 2024-06-11 14:13:31 +01:00
parent 23715d6389
commit 353984bb97
No known key found for this signature in database
GPG Key ID: 9A5B19E18CD0013C
7 changed files with 380 additions and 185 deletions

View File

@ -178,12 +178,22 @@ endif
#
ifneq ($(ARCH),arm)
ifneq ($(ARCH),mips64el)
ifneq ($(ARCH),riscv64)
export HAVE_EFI_OBJCOPY=y
endif
endif
ifeq ($(ARCH),riscv64)
export SYSTEM_HAS_EFI_OBJCOPY ?= 0
endif
ifeq ($(HAVE_EFI_OBJCOPY),y)
export SYSTEM_HAS_EFI_OBJCOPY ?= 1
else
export SYSTEM_HAS_EFI_OBJCOPY ?= 0
endif
ifeq ($(ARCH),arm)
CFLAGS += -marm
endif

View File

@ -44,15 +44,23 @@ include $(SRCDIR)/../Make.defaults
LINUX_HEADERS = /usr/src/sys/build
APPSDIR = $(LIBDIR)/gnuefi/apps
CPPFLAGS += -D__KERNEL__ -I$(LINUX_HEADERS)/include
ifneq ($(HAVE_EFI_OBJCOPY),)
ifeq ($(SYSTEM_HAS_EFI_OBJCOPY),0)
CRT0_LOCAL = -local
LDS_LOCAL = _local
endif
endif
ifeq ($(IS_MINGW32),)
# The CRT0 libs are only needed for non MinGW platforms
CRT0_LIBS = -lgnuefi
endif
ifneq ($(CRT0_LIBS),)
CRTOBJS = $(TOPDIR)/$(ARCH)/gnuefi/crt0-efi-$(ARCH).o
CRTOBJS = $(TOPDIR)/$(ARCH)/gnuefi/crt0-efi-$(ARCH)$(CRT0_LOCAL).o
LDSCRIPT = $(TOPDIR)/gnuefi/elf_$(ARCH)_efi.lds
LDSCRIPT = $(TOPDIR)/gnuefi/elf_$(ARCH)_efi$(LDS_LOCAL).lds
ifneq (,$(findstring FreeBSD,$(OS)))
LDSCRIPT = $(TOPDIR)/gnuefi/elf_$(ARCH)_fbsd_efi.lds
endif
@ -81,7 +89,7 @@ SUBSYSTEM := 0xa
$(TARGET_BSDRIVERS): SUBSYSTEM = 0xb
$(TARGET_RTDRIVERS): SUBSYSTEM = 0xc
ifneq ($(HAVE_EFI_OBJCOPY),)
ifeq ($(SYSTEM_HAS_EFI_OBJCOPY),1)
FORMAT := --target efi-app-$(ARCH)
$(TARGET_BSDRIVERS): FORMAT=--target efi-bsdrv-$(ARCH)

View File

@ -80,7 +80,7 @@ endif
# on aarch64, avoid jump tables before all relocations have been processed
reloc_aarch64.o: CFLAGS += -fno-jump-tables
ifneq (,$(filter $(ARCH),aarch64))
ifneq (,$(filter $(ARCH),aarch64 riscv64))
CRT0_LOCAL_TARGET = crt0-efi-$(ARCH)-local.o
endif
@ -116,7 +116,7 @@ ifneq (,$(findstring FreeBSD,$(OS)))
ifeq ($(ARCH),x86_64)
$(INSTALL) -m 644 $(SRCDIR)/elf_$(ARCH)_fbsd_efi.lds $(INSTALLROOT)$(LIBDIR)
else
ifneq (,$(filter $(ARCH),aarch64))
ifneq (,$(filter $(ARCH),aarch64 riscv64))
$(INSTALL) -m 644 $(SRCDIR)/elf_$(ARCH)_efi_local.lds $(INSTALLROOT)$(LIBDIR)
endif
$(INSTALL) -m 644 $(SRCDIR)/elf_$(ARCH)_efi.lds $(INSTALLROOT)$(LIBDIR)

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@ -0,0 +1,185 @@
/* SPDX-License-Identifier: GPL-2.0+ OR BSD-2-Clause */
/*
* crt0-efi-riscv64-local.S - PE/COFF header for RISC-V 64 EFI applications (without suitable objcopy)
*
* Copyright (C) 2014 Linaro Ltd. <ard.biesheuvel@linaro.org>
* Copyright (C) 2018 Alexander Graf <agraf@suse.de>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice and this list of conditions, without modification.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* Alternatively, this software may be distributed 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.
*/
.section .text.head
/*
* Magic "MZ" signature for PE/COFF
*/
.globl ImageBase
ImageBase:
.ascii "MZ"
.skip 58 // 'MZ' + pad + offset == 64
.4byte pe_header - ImageBase // Offset to the PE header.
pe_header:
.ascii "PE"
.2byte 0
coff_header:
.2byte 0x5064 // riscv64
.2byte 4 // nr_sections
.4byte 0 // TimeDateStamp
.4byte 0 // PointerToSymbolTable
.4byte 0 // NumberOfSymbols
.2byte section_table - optional_header // SizeOfOptionalHeader
.2byte 0x206 // Characteristics.
// IMAGE_FILE_DEBUG_STRIPPED |
// IMAGE_FILE_EXECUTABLE_IMAGE |
// IMAGE_FILE_LINE_NUMS_STRIPPED
optional_header:
.2byte 0x20b // PE32+ format
.byte 0x02 // MajorLinkerVersion
.byte 0x14 // MinorLinkerVersion
.4byte _text_size - ImageBase // SizeOfCode
.4byte _alldata_size - ImageBase // SizeOfInitializedData
.4byte 0 // SizeOfUninitializedData
.4byte _start - ImageBase // AddressOfEntryPoint
.4byte _text - ImageBase // BaseOfCode
extra_header_fields:
.8byte 0 // ImageBase
.4byte 0x1000 // SectionAlignment
.4byte 0x1000 // FileAlignment
.2byte 0 // MajorOperatingSystemVersion
.2byte 0 // MinorOperatingSystemVersion
.2byte 0 // MajorImageVersion
.2byte 0 // MinorImageVersion
.2byte 0 // MajorSubsystemVersion
.2byte 0 // MinorSubsystemVersion
.4byte 0 // Win32VersionValue
.4byte _image_end - ImageBase // SizeOfImage
// Everything before the kernel image is considered part of the header
.4byte _text - ImageBase // SizeOfHeaders
.4byte 0 // CheckSum
.2byte 0 // Subsystem
.2byte 0 // DllCharacteristics
.8byte 0 // SizeOfStackReserve
.8byte 0 // SizeOfStackCommit
.8byte 0 // SizeOfHeapReserve
.8byte 0 // SizeOfHeapCommit
.4byte 0 // LoaderFlags
.4byte 0x10 // NumberOfRvaAndSizes
.8byte 0 // ExportTable
.8byte 0 // ImportTable
.8byte 0 // ResourceTable
.8byte 0 // ExceptionTable
.8byte 0 // CertificationTable
.4byte _reloc - ImageBase // BaseRelocationTable (VirtualAddress)
.4byte _reloc_vsize - ImageBase // BaseRelocationTable (Size)
.8byte 0 // Debug
.8byte 0 // Architecture
.8byte 0 // Global Ptr
.8byte 0 // TLS Table
.8byte 0 // Load Config Table
.8byte 0 // Bound Import
.8byte 0 // IAT
.8byte 0 // Delay Import Descriptor
.8byte 0 // CLR Runtime Header
.8byte 0 // Reserved, must be zero
// Section table
section_table:
.ascii ".text\0\0\0"
.4byte _text_vsize - ImageBase // VirtualSize
.4byte _text - ImageBase // VirtualAddress
.4byte _text_size - ImageBase // SizeOfRawData
.4byte _text - ImageBase // PointerToRawData
.4byte 0 // PointerToRelocations (0 for executables)
.4byte 0 // PointerToLineNumbers (0 for executables)
.2byte 0 // NumberOfRelocations (0 for executables)
.2byte 0 // NumberOfLineNumbers (0 for executables)
.4byte 0x60000020 // Characteristics (section flags)
/*
* The EFI application loader requires a relocation section
* because EFI applications must be relocatable. This is a
* dummy section as far as we are concerned.
*/
.ascii ".reloc\0\0"
.4byte _reloc_vsize - ImageBase // VirtualSize
.4byte _reloc - ImageBase // VirtualAddress
.4byte _reloc_size - ImageBase // SizeOfRawData
.4byte _reloc - ImageBase // PointerToRawData
.4byte 0 // PointerToRelocations
.4byte 0 // PointerToLineNumbers
.2byte 0 // NumberOfRelocations
.2byte 0 // NumberOfLineNumbers
.4byte 0x42000040 // Characteristics (section flags)
.ascii ".data\0\0\0"
.4byte _data_vsize - ImageBase // VirtualSize
.4byte _data - ImageBase // VirtualAddress
.4byte _data_size - ImageBase // SizeOfRawData
.4byte _data - ImageBase // PointerToRawData
.4byte 0 // PointerToRelocations
.4byte 0 // PointerToLineNumbers
.2byte 0 // NumberOfRelocations
.2byte 0 // NumberOfLineNumbers
.4byte 0xC0000040 // Characteristics (section flags)
.ascii ".rodata\0"
.4byte _rodata_vsize - ImageBase // VirtualSize
.4byte _rodata - ImageBase // VirtualAddress
.4byte _rodata_size - ImageBase // SizeOfRawData
.4byte _rodata - ImageBase // PointerToRawData
.4byte 0 // PointerToRelocations
.4byte 0 // PointerToLineNumbers
.2byte 0 // NumberOfRelocations
.2byte 0 // NumberOfLineNumbers
.4byte 0x40000040 // Characteristics (section flags)
.text
.globl _start
.type _start,%function
_start:
addi sp, sp, -24
sd a0, 0(sp)
sd a1, 8(sp)
sd ra, 16(sp)
lla a0, ImageBase
lla a1, _DYNAMIC
call _relocate
bne a0, zero, 0f
ld a1, 8(sp)
ld a0, 0(sp)
call _entry
ld ra, 16(sp)
0: addi sp, sp, 24
ret
// hand-craft a dummy .reloc section so EFI knows it's a relocatable executable:
.data
dummy: .4byte 0
#define IMAGE_REL_ABSOLUTE 0
.section .reloc, "a"
label1:
.4byte dummy-label1 // Page RVA
.4byte 12 // Block Size (2*4+2*2), must be aligned by 32 Bits
.2byte (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
.2byte (IMAGE_REL_ABSOLUTE<<12) + 0 // reloc for dummy
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",%progbits
#endif

View File

@ -16,136 +16,6 @@
* either version 2 of the License, or (at your option) any later version.
*/
.section .text.head
/*
* Magic "MZ" signature for PE/COFF
*/
.globl ImageBase
ImageBase:
.ascii "MZ"
.skip 58 // 'MZ' + pad + offset == 64
.4byte pe_header - ImageBase // Offset to the PE header.
pe_header:
.ascii "PE"
.2byte 0
coff_header:
.2byte 0x5064 // riscv64
.2byte 4 // nr_sections
.4byte 0 // TimeDateStamp
.4byte 0 // PointerToSymbolTable
.4byte 0 // NumberOfSymbols
.2byte section_table - optional_header // SizeOfOptionalHeader
.2byte 0x206 // Characteristics.
// IMAGE_FILE_DEBUG_STRIPPED |
// IMAGE_FILE_EXECUTABLE_IMAGE |
// IMAGE_FILE_LINE_NUMS_STRIPPED
optional_header:
.2byte 0x20b // PE32+ format
.byte 0x02 // MajorLinkerVersion
.byte 0x14 // MinorLinkerVersion
.4byte _text_size - ImageBase // SizeOfCode
.4byte _alldata_size - ImageBase // SizeOfInitializedData
.4byte 0 // SizeOfUninitializedData
.4byte _start - ImageBase // AddressOfEntryPoint
.4byte _text - ImageBase // BaseOfCode
extra_header_fields:
.8byte 0 // ImageBase
.4byte 0x1000 // SectionAlignment
.4byte 0x1000 // FileAlignment
.2byte 0 // MajorOperatingSystemVersion
.2byte 0 // MinorOperatingSystemVersion
.2byte 0 // MajorImageVersion
.2byte 0 // MinorImageVersion
.2byte 0 // MajorSubsystemVersion
.2byte 0 // MinorSubsystemVersion
.4byte 0 // Win32VersionValue
.4byte _image_end - ImageBase // SizeOfImage
// Everything before the kernel image is considered part of the header
.4byte _text - ImageBase // SizeOfHeaders
.4byte 0 // CheckSum
.2byte 0 // Subsystem
.2byte 0 // DllCharacteristics
.8byte 0 // SizeOfStackReserve
.8byte 0 // SizeOfStackCommit
.8byte 0 // SizeOfHeapReserve
.8byte 0 // SizeOfHeapCommit
.4byte 0 // LoaderFlags
.4byte 0x10 // NumberOfRvaAndSizes
.8byte 0 // ExportTable
.8byte 0 // ImportTable
.8byte 0 // ResourceTable
.8byte 0 // ExceptionTable
.8byte 0 // CertificationTable
.4byte _reloc - ImageBase // BaseRelocationTable (VirtualAddress)
.4byte _reloc_vsize - ImageBase // BaseRelocationTable (Size)
.8byte 0 // Debug
.8byte 0 // Architecture
.8byte 0 // Global Ptr
.8byte 0 // TLS Table
.8byte 0 // Load Config Table
.8byte 0 // Bound Import
.8byte 0 // IAT
.8byte 0 // Delay Import Descriptor
.8byte 0 // CLR Runtime Header
.8byte 0 // Reserved, must be zero
// Section table
section_table:
.ascii ".text\0\0\0"
.4byte _text_vsize - ImageBase // VirtualSize
.4byte _text - ImageBase // VirtualAddress
.4byte _text_size - ImageBase // SizeOfRawData
.4byte _text - ImageBase // PointerToRawData
.4byte 0 // PointerToRelocations (0 for executables)
.4byte 0 // PointerToLineNumbers (0 for executables)
.2byte 0 // NumberOfRelocations (0 for executables)
.2byte 0 // NumberOfLineNumbers (0 for executables)
.4byte 0x60000020 // Characteristics (section flags)
/*
* The EFI application loader requires a relocation section
* because EFI applications must be relocatable. This is a
* dummy section as far as we are concerned.
*/
.ascii ".reloc\0\0"
.4byte _reloc_vsize - ImageBase // VirtualSize
.4byte _reloc - ImageBase // VirtualAddress
.4byte _reloc_size - ImageBase // SizeOfRawData
.4byte _reloc - ImageBase // PointerToRawData
.4byte 0 // PointerToRelocations
.4byte 0 // PointerToLineNumbers
.2byte 0 // NumberOfRelocations
.2byte 0 // NumberOfLineNumbers
.4byte 0x42000040 // Characteristics (section flags)
.ascii ".data\0\0\0"
.4byte _data_vsize - ImageBase // VirtualSize
.4byte _data - ImageBase // VirtualAddress
.4byte _data_size - ImageBase // SizeOfRawData
.4byte _data - ImageBase // PointerToRawData
.4byte 0 // PointerToRelocations
.4byte 0 // PointerToLineNumbers
.2byte 0 // NumberOfRelocations
.2byte 0 // NumberOfLineNumbers
.4byte 0xC0000040 // Characteristics (section flags)
.ascii ".rodata\0"
.4byte _rodata_vsize - ImageBase // VirtualSize
.4byte _rodata - ImageBase // VirtualAddress
.4byte _rodata_size - ImageBase // SizeOfRawData
.4byte _rodata - ImageBase // PointerToRawData
.4byte 0 // PointerToRelocations
.4byte 0 // PointerToLineNumbers
.2byte 0 // NumberOfRelocations
.2byte 0 // NumberOfLineNumbers
.4byte 0x40000040 // Characteristics (section flags)
.text
.globl _start
.type _start,%function

View File

@ -5,37 +5,37 @@ OUTPUT_ARCH(riscv)
ENTRY(_start)
SECTIONS
{
.text 0 : {
*(.text.head)
. = 0;
ImageBase = .;
/* .hash and/or .gnu.hash MUST come first! */
.hash : { *(.hash) }
.gnu.hash : { *(.gnu.hash) }
. = ALIGN(4096);
.eh_frame : { *(.eh_frame) }
.eh_frame_hdr : { *(.eh_frame_hdr) }
.gcc_except_table : { *(.gcc_except_table*) }
. = ALIGN(4096);
.text : {
_text = .;
*(.text)
*(.text.*)
*(.gnu.linkonce.t.*)
*(.plt)
. = ALIGN(16);
_evtext = .;
. = ALIGN(4096);
}
_etext = .;
} =0
_text_vsize = _evtext - _text;
_text_size = _etext - _text;
. = ALIGN(65536);
.reloc :
{
KEEP (*(.reloc))
}
. = ALIGN(4096);
_reloc = .;
.reloc : {
*(.reloc)
_evreloc = .;
. = ALIGN(4096);
_ereloc = .;
} =0
_reloc_vsize = _evreloc - _reloc;
_reloc_size = _ereloc - _reloc;
. = ALIGN(4096);
_data = .;
.dynamic : { *(.dynamic) }
. = ALIGN(4096);
.data :
{
_data = .;
*(.sdata)
*(.data)
*(.data1)
@ -77,20 +77,15 @@ SECTIONS
*(.sbss)
*(.scommon)
*(.dynbss)
*(.bss)
*(.bss.*)
*(.bss*)
*(COMMON)
*(.rel.local)
. = ALIGN(16);
_bss_end = .;
_evdata = .;
. = ALIGN(4096);
_edata = .;
} =0
_data_vsize = _evdata - _data;
_data_size = _edata - _data;
}
. = ALIGN(4096);
_rodata = .;
.rela :
{
*(.rela.text*)
@ -107,16 +102,10 @@ SECTIONS
. = ALIGN(4096);
.rela.plt : { *(.rela.plt) }
. = ALIGN(4096);
.rodata : {
*(.rodata*)
_evrodata = .;
. = ALIGN(4096);
_erodata = .;
} =0
_rodata_vsize = _evrodata - _rodata;
_rodata_size = _erodata - _rodata;
_image_end = .;
_alldata_size = _image_end - _reloc;
.rodata : { *(.rodata*) }
. = ALIGN(512);
_edata = .;
_data_size = _edata - _data;
. = ALIGN(4096);
.dynsym : { *(.dynsym) }
@ -124,20 +113,10 @@ SECTIONS
.dynstr : { *(.dynstr) }
. = ALIGN(4096);
.note.gnu.build-id : { *(.note.gnu.build-id) }
. = ALIGN(4096);
.hash : { *(.hash) }
. = ALIGN(4096);
.gnu.hash : { *(.gnu.hash) }
. = ALIGN(4096);
.eh_frame : { *(.eh_frame) }
.eh_frame_hdr : { *(.eh_frame_hdr) }
. = ALIGN(4096);
.gcc_except_table : { *(.gcc_except_table*) }
/DISCARD/ :
.ignored.reloc :
{
*(.rela.reloc)
*(.note.GNU-stack)
}
.comment 0 : { *(.comment) }
}

View File

@ -0,0 +1,143 @@
/* SPDX-License-Identifier: GPL-2.0+ OR BSD-2-Clause */
OUTPUT_FORMAT("elf64-littleriscv", "elf64-littleriscv", "elf64-littleriscv")
OUTPUT_ARCH(riscv)
ENTRY(_start)
SECTIONS
{
.text 0 : {
*(.text.head)
. = ALIGN(4096);
_text = .;
*(.text)
*(.text.*)
*(.gnu.linkonce.t.*)
*(.plt)
. = ALIGN(16);
_evtext = .;
. = ALIGN(4096);
_etext = .;
} =0
_text_vsize = _evtext - _text;
_text_size = _etext - _text;
. = ALIGN(4096);
_reloc = .;
.reloc : {
*(.reloc)
_evreloc = .;
. = ALIGN(4096);
_ereloc = .;
} =0
_reloc_vsize = _evreloc - _reloc;
_reloc_size = _ereloc - _reloc;
. = ALIGN(4096);
_data = .;
.dynamic : { *(.dynamic) }
. = ALIGN(4096);
.data :
{
*(.sdata)
*(.data)
*(.data1)
*(.data.*)
*(.got.plt)
*(.got)
/*
* Note that these aren't the using the GNU "CONSTRUCTOR" output section
* command, so they don't start with a size. Because of p2align and the
* end/END definitions, and the fact that they're mergeable, they can also
* have NULLs which aren't guaranteed to be at the end.
*/
. = ALIGN(16);
__init_array_start = .;
*(SORT(.init_array.*))
*(.init_array)
__init_array_end = .;
. = ALIGN(16);
__CTOR_LIST__ = .;
*(SORT(.ctors.*))
*(.ctors)
__CTOR_END__ = .;
. = ALIGN(16);
__DTOR_LIST__ = .;
*(SORT(.dtors.*))
*(.dtors)
__DTOR_END__ = .;
. = ALIGN(16);
__fini_array_start = .;
*(SORT(.fini_array.*))
*(.fini_array)
__fini_array_end = .;
/* the EFI loader doesn't seem to like a .bss section, so we stick
it all into .data: */
. = ALIGN(16);
_bss = .;
*(.sbss)
*(.scommon)
*(.dynbss)
*(.bss)
*(.bss.*)
*(COMMON)
. = ALIGN(16);
_bss_end = .;
_evdata = .;
. = ALIGN(4096);
_edata = .;
} =0
_data_vsize = _evdata - _data;
_data_size = _edata - _data;
. = ALIGN(4096);
_rodata = .;
.rela :
{
*(.rela.text*)
*(.rela.data*)
*(.rela.got)
*(.rela.dyn)
*(.rela.stab)
*(.rela.init_array*)
*(.rela.fini_array*)
*(.rela.ctors*)
*(.rela.dtors*)
}
. = ALIGN(4096);
.rela.plt : { *(.rela.plt) }
. = ALIGN(4096);
.rodata : {
*(.rodata*)
_evrodata = .;
. = ALIGN(4096);
_erodata = .;
} =0
_rodata_vsize = _evrodata - _rodata;
_rodata_size = _erodata - _rodata;
_image_end = .;
_alldata_size = _image_end - _reloc;
. = ALIGN(4096);
.dynsym : { *(.dynsym) }
. = ALIGN(4096);
.dynstr : { *(.dynstr) }
. = ALIGN(4096);
.note.gnu.build-id : { *(.note.gnu.build-id) }
. = ALIGN(4096);
.hash : { *(.hash) }
. = ALIGN(4096);
.gnu.hash : { *(.gnu.hash) }
. = ALIGN(4096);
.eh_frame : { *(.eh_frame) }
.eh_frame_hdr : { *(.eh_frame_hdr) }
. = ALIGN(4096);
.gcc_except_table : { *(.gcc_except_table*) }
/DISCARD/ :
{
*(.rela.reloc)
*(.note.GNU-stack)
}
.comment 0 : { *(.comment) }
}