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u-boot/arch/riscv/lib/crt0_riscv_efi.S

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SPDX: Convert single license tags to Linux Kernel style Fix license tags problem after apply patchs about riscv: Enable efi_loader support. Signed-off-by: Rick Chen <rick@andestech.com> Signed-off-by: Rick Chen <rickchen36@gmail.com> Cc: Greentime Hu <green.hu@gmail.com>
2018-05-29 06:10:06 +00:00
/* SPDX-License-Identifier: GPL-2.0+ */
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
/*
* crt0-efi-riscv.S - PE/COFF header for RISC-V EFI applications
*
* Copright (C) 2014 Linaro Ltd. <ard.biesheuvel@linaro.org>
* Copright (C) 2018 Alexander Graf <agraf@suse.de>
*
* This file is inspired by arch/arm/lib/crt0_aarch64_efi.S
*/
#include <asm-generic/pe.h>
#if __riscv_xlen == 64
#define SIZE_LONG 8
#define SAVE_LONG(reg, idx) sd reg, (idx*SIZE_LONG)(sp)
#define LOAD_LONG(reg, idx) ld reg, (idx*SIZE_LONG)(sp)
efi_loader: use predefined constants in crt0_*_efi.S We should use predefined constants instead of magic numbers. Move some constant definitions from include/pe.h to include/asm-generic/pe.h. Use these constants in crt0_*_efi.S. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-07-11 04:39:32 +00:00
#define PE_MACHINE IMAGE_FILE_MACHINE_RISCV64
riscv: Fix efi header size for RV32 This patch depends on Atish's patch. (https://patchwork.ozlabs.org/project/uboot/patch/20201013192331.3236458-1-atish.patra@wdc.com/) Modify the size of the Optional Header "Windows-Specific Fields" to fit with the specification. (https://docs.microsoft.com/en-us/windows/win32/debug/pe-format) Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com> Cc: rick@andestech.com Cc: alankao@andestech.com Cc: atish.patra@wdc.com Cc: xypron.glpk@gmx.de Cc: bmeng.cn@gmail.com
2020-11-12 02:09:52 +00:00
#define PE_MAGIC IMAGE_NT_OPTIONAL_HDR64_MAGIC
efi_loader: set IMAGE_FILE_LARGE_ADDRESS_AWARE For the 64bit EFI binaries that we create set the IMAGE_FILE_LARGE_ADDRESS_AWARE characteristic in the PE-COFF header to indicate that they can handle addresses above 2 GiB. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2022-12-23 01:16:03 +00:00
#define IMG_CHARACTERISTICS \
(IMAGE_FILE_EXECUTABLE_IMAGE | \
IMAGE_FILE_LINE_NUMS_STRIPPED | \
IMAGE_FILE_LOCAL_SYMS_STRIPPED | \
IMAGE_FILE_LARGE_ADDRESS_AWARE | \
IMAGE_FILE_DEBUG_STRIPPED)
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
#else
#define SIZE_LONG 4
#define SAVE_LONG(reg, idx) sw reg, (idx*SIZE_LONG)(sp)
#define LOAD_LONG(reg, idx) lw reg, (idx*SIZE_LONG)(sp)
efi_loader: use predefined constants in crt0_*_efi.S We should use predefined constants instead of magic numbers. Move some constant definitions from include/pe.h to include/asm-generic/pe.h. Use these constants in crt0_*_efi.S. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-07-11 04:39:32 +00:00
#define PE_MACHINE IMAGE_FILE_MACHINE_RISCV32
riscv: Fix efi header size for RV32 This patch depends on Atish's patch. (https://patchwork.ozlabs.org/project/uboot/patch/20201013192331.3236458-1-atish.patra@wdc.com/) Modify the size of the Optional Header "Windows-Specific Fields" to fit with the specification. (https://docs.microsoft.com/en-us/windows/win32/debug/pe-format) Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com> Cc: rick@andestech.com Cc: alankao@andestech.com Cc: atish.patra@wdc.com Cc: xypron.glpk@gmx.de Cc: bmeng.cn@gmail.com
2020-11-12 02:09:52 +00:00
#define PE_MAGIC IMAGE_NT_OPTIONAL_HDR32_MAGIC
efi_loader: set IMAGE_FILE_LARGE_ADDRESS_AWARE For the 64bit EFI binaries that we create set the IMAGE_FILE_LARGE_ADDRESS_AWARE characteristic in the PE-COFF header to indicate that they can handle addresses above 2 GiB. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2022-12-23 01:16:03 +00:00
#define IMG_CHARACTERISTICS \
(IMAGE_FILE_EXECUTABLE_IMAGE | \
IMAGE_FILE_LINE_NUMS_STRIPPED | \
IMAGE_FILE_LOCAL_SYMS_STRIPPED | \
IMAGE_FILE_DEBUG_STRIPPED)
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
#endif
.section .text.head
/*
* Magic "MZ" signature for PE/COFF
*/
.globl ImageBase
ImageBase:
efi_loader: use predefined constants in crt0_*_efi.S We should use predefined constants instead of magic numbers. Move some constant definitions from include/pe.h to include/asm-generic/pe.h. Use these constants in crt0_*_efi.S. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-07-11 04:39:32 +00:00
.short IMAGE_DOS_SIGNATURE /* 'MZ' */
efi_loader: add Linux magic to RISC-V crt0 Add the Linux magic to the EFI file header to allow running our test programs with GRUB's linux command. MajorImageVersion = 1 indicates a kernel that can consume the EFI_LOAD_FILE2_PROTOCOL. This allows to dump the GRUB provided intird with our initrddump.efi tool. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-05-28 20:24:37 +00:00
.skip 46 /* 'MZ' + pad + offset == 64 */
.long 0x43534952 /* Linux magic "RISCV */
.long 0x00000056
.long 0x05435352 /* Linux magic2 "RSC\x05*/
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
.long pe_header - ImageBase /* Offset to the PE header */
pe_header:
efi_loader: use predefined constants in crt0_*_efi.S We should use predefined constants instead of magic numbers. Move some constant definitions from include/pe.h to include/asm-generic/pe.h. Use these constants in crt0_*_efi.S. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-07-11 04:39:32 +00:00
.long IMAGE_NT_SIGNATURE /* 'PE' */
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
coff_header:
.short PE_MACHINE /* RISC-V 64/32-bit */
.short 2 /* nr_sections */
.long 0 /* TimeDateStamp */
.long 0 /* PointerToSymbolTable */
riscv: efi: Generate Microsoft PE format compliant images Per Microsoft PE Format documentation [1], PointerToSymbolTable and NumberOfSymbols should be zero for an image in the COFF file header. Currently the COFF file header is hardcoded on RISC-V and these two members are not zero. This updates the hardcoded structure to clear these two members, as well as setting the flag IMAGE_FILE_LOCAL_SYMS_STRIPPED so that we can generate compliant *.efi images. [1] https://docs.microsoft.com/zh-cn/windows/desktop/Debug/pe-format Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-10-02 14:39:34 +00:00
.long 0 /* NumberOfSymbols */
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
.short section_table - optional_header /* SizeOfOptionalHeader */
efi_loader: set IMAGE_FILE_LARGE_ADDRESS_AWARE For the 64bit EFI binaries that we create set the IMAGE_FILE_LARGE_ADDRESS_AWARE characteristic in the PE-COFF header to indicate that they can handle addresses above 2 GiB. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2022-12-23 01:16:03 +00:00
.short IMG_CHARACTERISTICS /* Characteristics */
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
optional_header:
riscv: Fix efi header size for RV32 This patch depends on Atish's patch. (https://patchwork.ozlabs.org/project/uboot/patch/20201013192331.3236458-1-atish.patra@wdc.com/) Modify the size of the Optional Header "Windows-Specific Fields" to fit with the specification. (https://docs.microsoft.com/en-us/windows/win32/debug/pe-format) Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com> Cc: rick@andestech.com Cc: alankao@andestech.com Cc: atish.patra@wdc.com Cc: xypron.glpk@gmx.de Cc: bmeng.cn@gmail.com
2020-11-12 02:09:52 +00:00
.short PE_MAGIC /* PE32(+) format */
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
.byte 0x02 /* MajorLinkerVersion */
.byte 0x14 /* MinorLinkerVersion */
.long _edata - _start /* SizeOfCode */
.long 0 /* SizeOfInitializedData */
.long 0 /* SizeOfUninitializedData */
.long _start - ImageBase /* AddressOfEntryPoint */
.long _start - ImageBase /* BaseOfCode */
riscv: Fix efi header for RV32 RV32 should use PE32 format instead of PE32+ as the efi header format. This requires following changes 1. A different header magic value 2. An additional parameter known as BaseOfData. Currently, it is set to zero in absence of any usage. Signed-off-by: Atish Patra <atish.patra@wdc.com> Reviewed-by: Bin Meng <bin.meng@windriver.com> Reviewed-by: Rick Chen <rick@andestech.com>
2020-10-13 19:23:31 +00:00
#if __riscv_xlen == 32
.long 0 /* BaseOfData */
#endif
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
extra_header_fields:
riscv: Fix efi header size for RV32 This patch depends on Atish's patch. (https://patchwork.ozlabs.org/project/uboot/patch/20201013192331.3236458-1-atish.patra@wdc.com/) Modify the size of the Optional Header "Windows-Specific Fields" to fit with the specification. (https://docs.microsoft.com/en-us/windows/win32/debug/pe-format) Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com> Cc: rick@andestech.com Cc: alankao@andestech.com Cc: atish.patra@wdc.com Cc: xypron.glpk@gmx.de Cc: bmeng.cn@gmail.com
2020-11-12 02:09:52 +00:00
#if __riscv_xlen == 32
.long 0 /* ImageBase */
#else
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
.quad 0 /* ImageBase */
riscv: Fix efi header size for RV32 This patch depends on Atish's patch. (https://patchwork.ozlabs.org/project/uboot/patch/20201013192331.3236458-1-atish.patra@wdc.com/) Modify the size of the Optional Header "Windows-Specific Fields" to fit with the specification. (https://docs.microsoft.com/en-us/windows/win32/debug/pe-format) Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com> Cc: rick@andestech.com Cc: alankao@andestech.com Cc: atish.patra@wdc.com Cc: xypron.glpk@gmx.de Cc: bmeng.cn@gmail.com
2020-11-12 02:09:52 +00:00
#endif
efi_loader: fix SectionAlignment, FileAlignment The alignment of sections in the EFI binaries generated by U-Boot is incorrect. According to the PE-COFF specification [1] the minimum value for FileAlignment is 512. If the value of SectionAlignment is less then the page size, it must equal FileAlignment. Let's set both values to 512 for the ARM and RISC-V architectures. [1] https://docs.microsoft.com/en-us/windows/win32/debug/pe-format Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2022-01-14 20:40:15 +00:00
.long 0x200 /* SectionAlignment */
.long 0x200 /* FileAlignment */
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
.short 0 /* MajorOperatingSystemVersion */
.short 0 /* MinorOperatingSystemVersion */
efi_loader: add Linux magic to RISC-V crt0 Add the Linux magic to the EFI file header to allow running our test programs with GRUB's linux command. MajorImageVersion = 1 indicates a kernel that can consume the EFI_LOAD_FILE2_PROTOCOL. This allows to dump the GRUB provided intird with our initrddump.efi tool. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-05-28 20:24:37 +00:00
.short 1 /* MajorImageVersion */
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
.short 0 /* MinorImageVersion */
.short 0 /* MajorSubsystemVersion */
.short 0 /* MinorSubsystemVersion */
.long 0 /* Win32VersionValue */
.long _edata - ImageBase /* SizeOfImage */
/*
* Everything before the kernel image is considered part of the header
*/
.long _start - ImageBase /* SizeOfHeaders */
.long 0 /* CheckSum */
.short IMAGE_SUBSYSTEM_EFI_APPLICATION /* Subsystem */
.short 0 /* DllCharacteristics */
riscv: Fix efi header size for RV32 This patch depends on Atish's patch. (https://patchwork.ozlabs.org/project/uboot/patch/20201013192331.3236458-1-atish.patra@wdc.com/) Modify the size of the Optional Header "Windows-Specific Fields" to fit with the specification. (https://docs.microsoft.com/en-us/windows/win32/debug/pe-format) Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com> Cc: rick@andestech.com Cc: alankao@andestech.com Cc: atish.patra@wdc.com Cc: xypron.glpk@gmx.de Cc: bmeng.cn@gmail.com
2020-11-12 02:09:52 +00:00
#if __riscv_xlen == 32
.long 0 /* SizeOfStackReserve */
.long 0 /* SizeOfStackCommit */
.long 0 /* SizeOfHeapReserve */
.long 0 /* SizeOfHeapCommit */
#else
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
.quad 0 /* SizeOfStackReserve */
.quad 0 /* SizeOfStackCommit */
.quad 0 /* SizeOfHeapReserve */
.quad 0 /* SizeOfHeapCommit */
riscv: Fix efi header size for RV32 This patch depends on Atish's patch. (https://patchwork.ozlabs.org/project/uboot/patch/20201013192331.3236458-1-atish.patra@wdc.com/) Modify the size of the Optional Header "Windows-Specific Fields" to fit with the specification. (https://docs.microsoft.com/en-us/windows/win32/debug/pe-format) Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com> Cc: rick@andestech.com Cc: alankao@andestech.com Cc: atish.patra@wdc.com Cc: xypron.glpk@gmx.de Cc: bmeng.cn@gmail.com
2020-11-12 02:09:52 +00:00
#endif
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
.long 0 /* LoaderFlags */
.long 0x6 /* NumberOfRvaAndSizes */
.quad 0 /* ExportTable */
.quad 0 /* ImportTable */
.quad 0 /* ResourceTable */
.quad 0 /* ExceptionTable */
.quad 0 /* CertificationTable */
.quad 0 /* BaseRelocationTable */
/* Section table */
section_table:
/*
* 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"
.byte 0
.byte 0 /* end of 0 padding of section name */
.long 0
.long 0
.long 0 /* SizeOfRawData */
.long 0 /* PointerToRawData */
.long 0 /* PointerToRelocations */
.long 0 /* PointerToLineNumbers */
.short 0 /* NumberOfRelocations */
.short 0 /* NumberOfLineNumbers */
.long 0x42100040 /* Characteristics (section flags) */
.ascii ".text"
.byte 0
.byte 0
.byte 0 /* end of 0 padding of section name */
.long _edata - _start /* VirtualSize */
.long _start - ImageBase /* VirtualAddress */
.long _edata - _start /* SizeOfRawData */
.long _start - ImageBase /* PointerToRawData */
.long 0 /* PointerToRelocations (0 for executables) */
.long 0 /* PointerToLineNumbers (0 for executables) */
.short 0 /* NumberOfRelocations (0 for executables) */
.short 0 /* NumberOfLineNumbers (0 for executables) */
.long 0xe0500020 /* Characteristics (section flags) */
efi_loader: fix SectionAlignment, FileAlignment The alignment of sections in the EFI binaries generated by U-Boot is incorrect. According to the PE-COFF specification [1] the minimum value for FileAlignment is 512. If the value of SectionAlignment is less then the page size, it must equal FileAlignment. Let's set both values to 512 for the ARM and RISC-V architectures. [1] https://docs.microsoft.com/en-us/windows/win32/debug/pe-format Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2022-01-14 20:40:15 +00:00
.align 9
riscv: Add EFI application infrastructure The hello world binary and a few selftests require to build EFI target binaries, not just the EFI host environment. This patch adds all required files to generate an EFI binary for RISC-V. Signed-off-by: Alexander Graf <agraf@suse.de>
2018-04-23 05:59:45 +00:00
_start:
addi sp, sp, -(SIZE_LONG * 3)
SAVE_LONG(a0, 0)
SAVE_LONG(a1, 1)
SAVE_LONG(ra, 2)
lla a0, ImageBase
lla a1, _DYNAMIC
call _relocate
bne a0, zero, 0f
LOAD_LONG(a1, 1)
LOAD_LONG(a0, 0)
call efi_main
LOAD_LONG(ra, 2)
0: addi sp, sp, (SIZE_LONG * 3)
ret
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