From: Bin Meng Date: Tue, 2 Oct 2018 14:39:34 +0000 (-0700) Subject: riscv: efi: Generate Microsoft PE format compliant images X-Git-Tag: v2019.01-rc1~9^2~44 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=a33a4efd2785dfda23216bc97e7b636cfd29b9f8;p=oweals%2Fu-boot.git 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 Reviewed-by: Heinrich Schuchardt Signed-off-by: Alexander Graf --- diff --git a/arch/riscv/lib/crt0_riscv_efi.S b/arch/riscv/lib/crt0_riscv_efi.S index 18f61f515a..b7b5329e1f 100644 --- a/arch/riscv/lib/crt0_riscv_efi.S +++ b/arch/riscv/lib/crt0_riscv_efi.S @@ -41,13 +41,13 @@ coff_header: .short 2 /* nr_sections */ .long 0 /* TimeDateStamp */ .long 0 /* PointerToSymbolTable */ - .long 1 /* NumberOfSymbols */ + .long 0 /* NumberOfSymbols */ .short section_table - optional_header /* SizeOfOptionalHeader */ - /* - * Characteristics: IMAGE_FILE_DEBUG_STRIPPED | - * IMAGE_FILE_EXECUTABLE_IMAGE | IMAGE_FILE_LINE_NUMS_STRIPPED - */ - .short 0x206 + /* Characteristics */ + .short (IMAGE_FILE_EXECUTABLE_IMAGE | \ + IMAGE_FILE_LINE_NUMS_STRIPPED | \ + IMAGE_FILE_LOCAL_SYMS_STRIPPED | \ + IMAGE_FILE_DEBUG_STRIPPED) optional_header: .short 0x20b /* PE32+ format */ .byte 0x02 /* MajorLinkerVersion */