diff --git a/stand/efi/loader/arch/arm64/ldscript.arm64 b/stand/efi/loader/arch/arm64/ldscript.arm64 index d0ed320a319c..c10448f4180e 100644 --- a/stand/efi/loader/arch/arm64/ldscript.arm64 +++ b/stand/efi/loader/arch/arm64/ldscript.arm64 @@ -1,86 +1,89 @@ /* $FreeBSD$ */ /* OUTPUT_FORMAT("elf64-aarch64-freebsd", "elf64-aarch64-freebsd", "elf64-aarch64-freebsd") */ OUTPUT_ARCH(aarch64) ENTRY(_start) SECTIONS { /* Read-only sections, merged into text segment: */ . = 0; ImageBase = .; .text : { *(.peheader) *(.text .stub .text.* .gnu.linkonce.t.*) /* .gnu.warning sections are handled specially by elf32.em. */ *(.gnu.warning) *(.plt) } =0xD4200000 - . = ALIGN(16); + . = ALIGN(4096); + _etext = .; + __data_start = .; .data : { *(.rodata .rodata.* .gnu.linkonce.r.*) *(.rodata1) *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) *(.opd) *(.data .data.* .gnu.linkonce.d.*) *(.data1) *(.plabel) . = ALIGN(16); __bss_start = .; *(.sbss .sbss.* .gnu.linkonce.sb.*) *(.scommon) *(.dynbss) *(.bss *.bss.*) *(COMMON) . = ALIGN(16); __bss_end = .; } . = ALIGN(16); set_Xcommand_set : { __start_set_Xcommand_set = .; *(set_Xcommand_set) __stop_set_Xcommand_set = .; } set_Xficl_compile_set : { __start_set_Xficl_compile_set = .; *(set_Xficl_compile_set) __stop_set_Xficl_compile_set = .; } . = ALIGN(16); __gp = .; .sdata : { *(.got.plt .got) *(.sdata .sdata.* .gnu.linkonce.s.*) *(dynsbss) *(.scommon) } . = ALIGN(16); .dynamic : { *(.dynamic) } . = ALIGN(16); .rela.dyn : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) *(.rela.got) *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) *(.rela.plt) *(.relset_*) *(.rela.dyn .rela.dyn.*) } . = ALIGN(16); .reloc : { *(.reloc) } . = ALIGN(16); .dynsym : { *(.dynsym) } _edata = .; + __data_size = . - __data_start; /* Unused sections */ .interp : { *(.interp) } .dynstr : { *(.dynstr) } .hash : { *(.hash) } } diff --git a/stand/efi/loader/arch/arm64/start.S b/stand/efi/loader/arch/arm64/start.S index 675d4e153f36..0b8537fed30e 100644 --- a/stand/efi/loader/arch/arm64/start.S +++ b/stand/efi/loader/arch/arm64/start.S @@ -1,187 +1,191 @@ /*- * Copyright (c) 2014 Andrew Turner * All rights reserved. * * 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, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ /* * We need to be a PE32+ file for EFI. On some architectures we can use * objcopy to create the correct file, however on arm64 we need to do * it ourselves. */ #define IMAGE_FILE_MACHINE_ARM64 0xaa64 +#define IMAGE_FILE_EXECUTABLE 0x0002 + #define IMAGE_SCN_CNT_CODE 0x00000020 #define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 #define IMAGE_SCN_MEM_DISCARDABLE 0x02000000 #define IMAGE_SCN_MEM_EXECUTE 0x20000000 #define IMAGE_SCN_MEM_READ 0x40000000 +#define IMAGE_SCN_MEM_WRITE 0x80000000 .section .peheader,"a" efi_start: /* The MS-DOS Stub, only used to get the offset of the COFF header */ .ascii "MZ" .short 0 .space 0x38 .long pe_sig - efi_start /* The PE32 Signature. Needs to be 8-byte aligned */ .align 3 pe_sig: .ascii "PE" .short 0 coff_head: .short IMAGE_FILE_MACHINE_ARM64 /* AArch64 file */ .short 2 /* 2 Sections */ .long 0 /* Timestamp */ .long 0 /* No symbol table */ .long 0 /* No symbols */ .short section_table - optional_header /* Optional header size */ - .short 0 /* Characteristics TODO: Fill in */ + .short IMAGE_FILE_EXECUTABLE /* Characteristics */ optional_header: .short 0x020b /* PE32+ (64-bit addressing) */ .byte 0 /* Major linker version */ .byte 0 /* Minor linker version */ - .long _edata - _end_header /* Code size */ - .long 0 /* No initialized data */ + .long _etext - _end_header /* Code size */ + .long __data_size /* Initialized data size */ .long 0 /* No uninitialized data */ .long _start - efi_start /* Entry point */ .long _end_header - efi_start /* Start of code */ optional_windows_header: .quad 0 /* Image base */ - .long 32 /* Section Alignment */ - .long 8 /* File alignment */ + .long 4096 /* Section Alignment */ + .long 512 /* File alignment */ .short 0 /* Major OS version */ .short 0 /* Minor OS version */ .short 0 /* Major image version */ .short 0 /* Minor image version */ .short 0 /* Major subsystem version */ .short 0 /* Minor subsystem version */ .long 0 /* Win32 version */ .long _edata - efi_start /* Image size */ .long _end_header - efi_start /* Header size */ .long 0 /* Checksum */ .short 0xa /* Subsystem (EFI app) */ .short 0 /* DLL Characteristics */ .quad 0 /* Stack reserve */ .quad 0 /* Stack commit */ .quad 0 /* Heap reserve */ .quad 0 /* Heap commit */ .long 0 /* Loader flags */ .long 6 /* Number of RVAs */ /* RVAs: */ .quad 0 .quad 0 .quad 0 .quad 0 .quad 0 .quad 0 section_table: - /* We need a .reloc section for EFI */ - .ascii ".reloc" + .ascii ".text" + .byte 0 .byte 0 .byte 0 /* Pad to 8 bytes */ - .long 0 /* Virtual size */ - .long 0 /* Virtual address */ - .long 0 /* Size of raw data */ - .long 0 /* Pointer to raw data */ + .long _etext - _end_header /* Virtual size */ + .long _end_header - efi_start /* Virtual address */ + .long _etext - _end_header /* Size of raw data */ + .long _end_header - efi_start /* Pointer to raw data */ .long 0 /* Pointer to relocations */ .long 0 /* Pointer to line numbers */ .short 0 /* Number of relocations */ .short 0 /* Number of line numbers */ - .long (IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ | \ - IMAGE_SCN_MEM_DISCARDABLE) /* Characteristics */ + .long (IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE | \ + IMAGE_SCN_MEM_READ) /* Characteristics */ - /* The contents of the loader */ - .ascii ".text" + .ascii ".data" .byte 0 .byte 0 .byte 0 /* Pad to 8 bytes */ - .long _edata - _end_header /* Virtual size */ - .long _end_header - efi_start /* Virtual address */ - .long _edata - _end_header /* Size of raw data */ - .long _end_header - efi_start /* Pointer to raw data */ + .long __data_size /* Virtual size */ + .long __data_start - efi_start /* Virtual address */ + .long __data_size /* Size of raw data */ + .long __data_start - efi_start /* Pointer to raw data */ .long 0 /* Pointer to relocations */ .long 0 /* Pointer to line numbers */ .short 0 /* Number of relocations */ .short 0 /* Number of line numbers */ - .long (IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE | \ - IMAGE_SCN_MEM_READ) /* Characteristics */ + .long (IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ | \ + IMAGE_SCN_MEM_WRITE) /* Characteristics */ + + .align 12 _end_header: .text .globl _start _start: /* Save the boot params to the stack */ stp x0, x1, [sp, #-16]! adrp x0, __bss_start add x0, x0, :lo12:__bss_start adrp x1, __bss_end add x1, x1, :lo12:__bss_end b 2f 1: stp xzr, xzr, [x0], #16 2: cmp x0, x1 b.lo 1b adrp x0, ImageBase add x0, x0, :lo12:ImageBase adrp x1, _DYNAMIC add x1, x1, :lo12:_DYNAMIC bl self_reloc ldp x0, x1, [sp], #16 #ifndef EFI_BOOT1 /* * Load the stack to use. The default stack may be too small for * the lua loader. */ adrp x2, initstack_end add x2, x2, :lo12:initstack_end mov sp, x2 #endif bl efi_main 1: b 1b #ifndef EFI_BOOT1 .bss .align 4 initstack: .space (64 * 1024) initstack_end: #endif