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Add support for LoongArch64 architecture

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This commit is contained in:
zhoumingtao 2021-12-30 15:39:47 +08:00
parent af773c779d
commit e7db4418b1
15 changed files with 688 additions and 3 deletions
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2
Make.defaults
View file

@ -143,11 +143,13 @@ ifneq ($(ARCH),aarch64)
ifneq ($(ARCH),arm)
ifneq ($(ARCH),mips64el)
ifneq ($(ARCH),riscv64)
ifneq ($(ARCH),loongarch64)
export HAVE_EFI_OBJCOPY=y
endif
endif
endif
endif
endif
ifneq ($(ARCH),arm)
export LIBGCC=$(shell $(CC) $(ARCH3264) -print-libgcc-file-name)

6
apps/lfbgrid.c
View file

@ -52,7 +52,8 @@ draw_boxes(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
UINT32 *PixelBuffer;
UINT32 CopySize, BufferSize;
#if defined(__x86_64__) || defined(__aarch64__) || \
(defined (__riscv) && __riscv_xlen == 64)
(defined (__riscv) && __riscv_xlen == 64) || \
defined(__loongarch64)
UINT64 FrameBufferAddr;
#elif defined(__i386__) || defined(__arm__)
UINT32 FrameBufferAddr;
@ -116,7 +117,8 @@ draw_boxes(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
return;
}
#if defined(__x86_64__) || defined(__aarch64__) || \
(defined (__riscv) && __riscv_xlen == 64)
(defined (__riscv) && __riscv_xlen == 64) || \
defined(__loongarch64)
FrameBufferAddr = (UINT64)gop->Mode->FrameBufferBase;
#elif defined(__i386__) || defined(__arm__)
FrameBufferAddr = (UINT32)(UINT64)gop->Mode->FrameBufferBase;

148
gnuefi/crt0-efi-loongarch64.S Normal file
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@ -0,0 +1,148 @@
/*
* crt0-efi-loongarch64.S - PE/COFF header for LOONGARCH64 EFI applications
*
* Copyright (C) 2021 Loongson Technology Corporation Limited. <zhoumingtao@loongson.cn>
* Copyright (C) 2014 Linaro Ltd. <ard.biesheuvel@linaro.org>
*
* 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
.long pe_header - ImageBase // Offset to the PE header.
pe_header:
.ascii "PE"
.short 0
coff_header:
.short 0x6264 // loongarch64 little endian
.short 2 // nr_sections
.long 0 // TimeDateStamp
.long 0 // PointerToSymbolTable
.long 1 // NumberOfSymbols
.short section_table - optional_header // SizeOfOptionalHeader
.short 0x206 // Characteristics.
// IMAGE_FILE_DEBUG_STRIPPED |
// IMAGE_FILE_EXECUTABLE_IMAGE |
// IMAGE_FILE_LINE_NUMS_STRIPPED
optional_header:
.short 0x20b // PE32+ format
.byte 0x02 // MajorLinkerVersion
.byte 0x14 // MinorLinkerVersion
.long _edata - _start // SizeOfCode
.long 0 // SizeOfInitializedData
.long 0 // SizeOfUninitializedData
.long _start - ImageBase // AddressOfEntryPoint
.long _start - ImageBase // BaseOfCode
extra_header_fields:
.quad 0 // ImageBase
.long 0x20 // SectionAlignment
.long 0x8 // FileAlignment
.short 0 // MajorOperatingSystemVersion
.short 0 // MinorOperatingSystemVersion
.short 0 // MajorImageVersion
.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 EFI_SUBSYSTEM // Subsystem
.short 0 // DllCharacteristics
.quad 0 // SizeOfStackReserve
.quad 0 // SizeOfStackCommit
.quad 0 // SizeOfHeapReserve
.quad 0 // SizeOfHeapCommit
.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)
.align 4
.globl _start
.type _start, @function
_start:
addi.d $sp, $sp, -24
st.d $ra, $sp, 0
st.d $a0, $sp, 8
st.d $a1, $sp, 16
move $a2, $a0 // a2: ImageHandle
move $a3, $a1 // a3: SystemTable
la.local $a0, ImageBase // a0: ImageBase
la.local $a1, _DYNAMIC // a1: DynamicSection
bl _relocate
bnez $a0, 0f
ld.d $a0, $sp, 8
ld.d $a1, $sp, 16
bl efi_main
0: ld.d $ra, $sp, 0
addi.d $sp, $sp, 24
jirl $ra, $ra, 0
.end _start

63
gnuefi/elf_loongarch64_efi.lds Normal file
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@ -0,0 +1,63 @@
OUTPUT_FORMAT("elf64-loongarch", "elf64-loongarch", "elf64-loongarch")
OUTPUT_ARCH(loongarch)
ENTRY(_start)
SECTIONS
{
.text 0x0 : {
_text = .;
*(.text.head)
*(.text)
*(.text.*)
*(.gnu.linkonce.t.*)
*(.srodata)
*(.rodata*)
. = ALIGN(16);
}
_etext = .;
_text_size = . - _text;
.dynamic : { *(.dynamic) }
.data : ALIGN(4096)
{
_data = .;
*(.sdata)
*(.data)
*(.data1)
*(.data.*)
*(.got.plt)
*(.got)
/* 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)
*(COMMON)
. = ALIGN(16);
_bss_end = .;
}
.rela.dyn : { *(.rela.dyn) }
.rela.plt : { *(.rela.plt) }
.rela.got : { *(.rela.got) }
.rela.data : { *(.rela.data) *(.rela.data*) }
. = ALIGN(512);
_edata = .;
_data_size = . - _data;
. = ALIGN(4096);
.dynsym : { *(.dynsym) }
. = ALIGN(4096);
.dynstr : { *(.dynstr) }
. = ALIGN(4096);
.note.gnu.build-id : { *(.note.gnu.build-id) }
/DISCARD/ :
{
*(.rel.reloc)
*(.eh_frame)
*(.note.GNU-stack)
}
.comment 0 : { *(.comment) }
}

104
gnuefi/reloc_loongarch64.c Normal file
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@ -0,0 +1,104 @@
/* reloc_loongarch64.c - position independent loongarch64 ELF shared object relocator
Copyright (C) 2021 Loongson Technology Corporation Limited. <zhoumingtao@loongson.cn>
Copyright (C) 2014 Linaro Ltd. <ard.biesheuvel@linaro.org>
Copyright (C) 1999 Hewlett-Packard Co.
Contributed by David Mosberger <davidm@hpl.hp.com>.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* 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.
* Neither the name of Hewlett-Packard Co. nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER OR CONTRIBUTORS
BE LIABLE FOR ANYDIRECT, 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.
*/
#include <efi.h>
#include <efilib.h>
#include <elf.h>
EFI_STATUS _relocate (long ldbase, Elf64_Dyn *dyn,
EFI_HANDLE image EFI_UNUSED,
EFI_SYSTEM_TABLE *systab EFI_UNUSED)
{
long relsz = 0, relent = 0;
Elf64_Rela *rel = 0;
unsigned long *addr;
int i;
for (i = 0; dyn[i].d_tag != DT_NULL; ++i) {
switch (dyn[i].d_tag) {
case DT_RELA:
rel = (Elf64_Rela*)
((unsigned long)dyn[i].d_un.d_ptr
+ ldbase);
break;
case DT_RELASZ:
relsz = dyn[i].d_un.d_val;
break;
case DT_RELAENT:
relent = dyn[i].d_un.d_val;
break;
case DT_PLTGOT:
addr = (unsigned long *)
((unsigned long)dyn[i].d_un.d_ptr
+ ldbase);
break;
default:
break;
}
}
if (!rel && relent == 0)
return EFI_SUCCESS;
if (!rel || relent == 0)
return EFI_LOAD_ERROR;
while (relsz > 0) {
/* apply the relocs */
switch (ELF64_R_TYPE (rel->r_info)) {
case R_LARCH_NONE:
break;
case R_LARCH_RELATIVE:
addr = (unsigned long *)
(ldbase + rel->r_offset);
*addr += ldbase;
break;
default:
break;
}
rel = (Elf64_Rela*) ((char *) rel + relent);
relsz -= relent;
}
return EFI_SUCCESS;
}

2
inc/efi.h
View file

@ -52,6 +52,8 @@ Revision History
#include "mips64el/efibind.h"
#elif defined (__riscv) && __riscv_xlen == 64
#include "riscv64/efibind.h"
#elif defined (__loongarch64)
#include "loongarch64/efibind.h"
#else
#error Usupported architecture
#endif

2
inc/efilib.h
View file

@ -35,6 +35,8 @@ Revision History
#include "mips64el/efilibplat.h"
#elif defined (__riscv) && __riscv_xlen == 64
#include "riscv64/efilibplat.h"
#elif defined (__loongarch64)
#include "loongarch64/efilibplat.h"
#endif
#include "efilink.h"
#include "efirtlib.h"

157
inc/loongarch64/efibind.h Normal file
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@ -0,0 +1,157 @@
/*
* Copright (C) 2014 - 2015 Linaro Ltd.
* Author: Ard Biesheuvel <ard.biesheuvel@linaro.org>
* Copright (C) 2017 Lemote Co.
* Author: Heiher <r@hev.cc>
* Copright (C) 2021 Loongson Technology Corporation Limited.
* Author: zhoumingtao <zhoumingtao@loongson.cn>
*
* 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.
*/
#if !defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L ) && !defined(__cplusplus)
// ANSI C 1999/2000 stdint.h integer width declarations
typedef unsigned long uint64_t;
typedef long int64_t;
typedef unsigned int uint32_t;
typedef int int32_t;
typedef unsigned short uint16_t;
typedef short int16_t;
typedef unsigned char uint8_t;
typedef signed char int8_t; // unqualified 'char' is unsigned on ARM
typedef uint64_t uintptr_t;
typedef int64_t intptr_t;
#else
#include <stdint.h>
#endif
//
// Basic EFI types of various widths
//
#ifndef __WCHAR_TYPE__
# define __WCHAR_TYPE__ short
#endif
typedef uint64_t UINT64;
typedef int64_t INT64;
typedef uint32_t UINT32;
typedef int32_t INT32;
typedef uint16_t UINT16;
typedef int16_t INT16;
typedef uint8_t UINT8;
typedef int8_t INT8;
typedef __WCHAR_TYPE__ WCHAR;
#undef VOID
#define VOID void
typedef int64_t INTN;
typedef uint64_t UINTN;
#define EFIERR(a) (0x8000000000000000 | a)
#define EFI_ERROR_MASK 0x8000000000000000
#define EFIERR_OEM(a) (0xc000000000000000 | a)
#define BAD_POINTER 0xFBFBFBFBFBFBFBFB
#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFF
#define BREAKPOINT() while (TRUE); // Make it hang on Bios[Dbg]32
//
// Pointers must be aligned to these address to function
//
#define MIN_ALIGNMENT_SIZE 8
#define ALIGN_VARIABLE(Value ,Adjustment) \
(UINTN)Adjustment = 0; \
if((UINTN)Value % MIN_ALIGNMENT_SIZE) \
(UINTN)Adjustment = MIN_ALIGNMENT_SIZE - ((UINTN)Value % MIN_ALIGNMENT_SIZE); \
Value = (UINTN)Value + (UINTN)Adjustment
//
// Define macros to build data structure signatures from characters.
//
#define EFI_SIGNATURE_16(A,B) ((A) | (B<<8))
#define EFI_SIGNATURE_32(A,B,C,D) (EFI_SIGNATURE_16(A,B) | (EFI_SIGNATURE_16(C,D) << 16))
#define EFI_SIGNATURE_64(A,B,C,D,E,F,G,H) (EFI_SIGNATURE_32(A,B,C,D) | ((UINT64)(EFI_SIGNATURE_32(E,F,G,H)) << 32))
//
// EFIAPI - prototype calling convention for EFI function pointers
// BOOTSERVICE - prototype for implementation of a boot service interface
// RUNTIMESERVICE - prototype for implementation of a runtime service interface
// RUNTIMEFUNCTION - prototype for implementation of a runtime function that is not a service
// RUNTIME_CODE - pragma macro for declaring runtime code
//
#ifndef EFIAPI // Forces EFI calling conventions reguardless of compiler options
#define EFIAPI // Substitute expresion to force C calling convention
#endif
#define BOOTSERVICE
#define RUNTIMESERVICE
#define RUNTIMEFUNCTION
#define RUNTIME_CODE(a) alloc_text("rtcode", a)
#define BEGIN_RUNTIME_DATA() data_seg("rtdata")
#define END_RUNTIME_DATA() data_seg("")
#define VOLATILE volatile
#define MEMORY_FENCE __sync_synchronize
//
// When build similiar to FW, then link everything together as
// one big module.
//
#define EFI_DRIVER_ENTRY_POINT(InitFunction) \
UINTN \
InitializeDriver ( \
VOID *ImageHandle, \
VOID *SystemTable \
) \
{ \
return InitFunction(ImageHandle, \
SystemTable); \
} \
\
EFI_STATUS efi_main( \
EFI_HANDLE image, \
EFI_SYSTEM_TABLE *systab \
) __attribute__((weak, \
alias ("InitializeDriver")));
#define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \
(_if)->LoadInternal(type, name, entry)
//
// Some compilers don't support the forward reference construct:
// typedef struct XXXXX
//
// The following macro provide a workaround for such cases.
#define INTERFACE_DECL(x) struct x
#define uefi_call_wrapper(func, va_num, ...) func(__VA_ARGS__)
#define EFI_FUNCTION

24
inc/loongarch64/efilibplat.h Normal file
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@ -0,0 +1,24 @@
/*++
Copyright (c) 1998 Intel Corporation
Module Name:
efilibplat.h
Abstract:
EFI to compile bindings
Revision History
--*/
VOID
InitializeLibPlatform (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);

23
inc/loongarch64/efisetjmp_arch.h Normal file
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@ -0,0 +1,23 @@
#ifndef GNU_EFI_LOONGARCH64_SETJMP_H
#define GNU_EFI_LOONGARCH64_SETJMP_H
#define JMPBUF_ALIGN 8
typedef struct {
/* GP regs */
UINT64 RA;
UINT64 SP;
UINT64 FP;
UINT64 S0;
UINT64 S1;
UINT64 S2;
UINT64 S3;
UINT64 S4;
UINT64 S5;
UINT64 S6;
UINT64 S7;
UINT64 S8;
} ALIGN(JMPBUF_ALIGN) jmp_buf[1];
#endif /* GNU_EFI_LOONGARCH64_SETJMP_H */

2
lib/Makefile
View file

@ -64,7 +64,7 @@ endif
OBJS = $(FILES:%=%.o)
SUBDIRS = ia32 x86_64 ia64 aarch64 arm mips64el riscv64 runtime
SUBDIRS = ia32 x86_64 ia64 aarch64 arm mips64el riscv64 loongarch64 runtime
LIBDIRINSTALL = $(INSTALLROOT)$(LIBDIR)

1
lib/loongarch64/efi_stub.S Normal file
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@ -0,0 +1 @@
/* This stub is a stub to make the build happy */

26
lib/loongarch64/initplat.c Normal file
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@ -0,0 +1,26 @@
/*
* Copright (C) 2014 Linaro Ltd.
* Author: Ard Biesheuvel <ard.biesheuvel@linaro.org>
*
* 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.
*/
#include "lib.h"
VOID
InitializeLibPlatform (
IN EFI_HANDLE ImageHandle EFI_UNUSED,
IN EFI_SYSTEM_TABLE *SystemTable EFI_UNUSED
)
{
}

63
lib/loongarch64/math.c Normal file
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@ -0,0 +1,63 @@
/*
* Copright (C) 2014 Linaro Ltd.
* Author: Ard Biesheuvel <ard.biesheuvel@linaro.org>
*
* 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.
*/
#include "lib.h"
UINT64
LShiftU64 (
IN UINT64 Operand,
IN UINTN Count
)
// Left shift 64bit by 32bit and get a 64bit result
{
return Operand << Count;
}
UINT64
RShiftU64 (
IN UINT64 Operand,
IN UINTN Count
)
// Right shift 64bit by 32bit and get a 64bit result
{
return Operand >> Count;
}
UINT64
MultU64x32 (
IN UINT64 Multiplicand,
IN UINTN Multiplier
)
// Multiple 64bit by 32bit and get a 64bit result
{
return Multiplicand * Multiplier;
}
UINT64
DivU64x32 (
IN UINT64 Dividend,
IN UINTN Divisor,
OUT UINTN *Remainder OPTIONAL
)
// divide 64bit by 32bit and get a 64bit result
// N.B. only works for 31bit divisors!!
{
if (Remainder)
*Remainder = Dividend % Divisor;
return Dividend / Divisor;
}

68
lib/loongarch64/setjmp.S Normal file
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@ -0,0 +1,68 @@
/*
* Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
* Copyright (c) 2021 Loongson Technology Corporation Limited.All rights
* reserved.
* Author: zhoumingtao <zhoumingtao@loongson.cn>
*
* This program and the accompanying materials are licensed and made
* available
* under the terms and conditions of the BSD License which accompanies
* this
* distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php.
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
* BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
* IMPLIED.
*/
.text
.p2align 3
/*
int setjmp(jmp_buf env);
*/
.globl setjmp
.type setjmp, @function
setjmp:
st.d $ra, $a0, 0x0
st.d $sp, $a0, 0x8
st.d $fp, $a0, 0x10
st.d $s0, $a0, 0x18
st.d $s1, $a0, 0x20
st.d $s2, $a0, 0x28
st.d $s3, $a0, 0x30
st.d $s4, $a0, 0x38
st.d $s5, $a0, 0x40
st.d $s6, $a0, 0x48
st.d $s7, $a0, 0x50
st.d $s8, $a0, 0x58
move $a0, $zero
jirl $zero,$ra,0
/*
void longjmp(jmp_buf env, int val);
*/
.globl longjmp
.type longjmp, @function
longjmp:
ld.d $ra, $a0, 0x0
ld.d $sp, $a0, 0x8
ld.d $fp, $a0, 0x10
ld.d $s0, $a0, 0x18
ld.d $s1, $a0, 0x20
ld.d $s2, $a0, 0x28
ld.d $s3, $a0, 0x30
ld.d $s4, $a0, 0x38
ld.d $s5, $a0, 0x40
ld.d $s6, $a0, 0x48
ld.d $s7, $a0, 0x50
ld.d $s8, $a0, 0x58
addi.d $a0, $zero, 1 # a0 = 1
beqz $a1, .L0 # if (a1 == 0); goto L0
move $a0, $a1 # a0 = a1
.L0:
jirl $zero,$ra,0