packages/gnu-efi
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
gnu-efi/1000-add-loongarch64-support.patch
lanruo f010ba72b5 add support loongarch64 
(cherry picked from commit cb04ef81c1659899e972a37332ece87466e9116b)
2023-09-21 17:13:42 +08:00

880 lines
25 KiB
Diff
Raw Permalink Blame History

From 1f492a5cc36f7443c49ce456f6e4c3c0774f8967 Mon Sep 17 00:00:00 2001
From: herengui <herengui@kylinsec.com.cn>
Date: Sat, 13 May 2023 15:51:23 +0800
Subject: [PATCH] add loongarch64 support
Signed-off-by: herengui <herengui@kylinsec.com.cn>
---
Make.defaults | 8 ++
apps/lfbgrid.c | 4 +-
gnuefi/crt0-efi-loongarch64.S | 152 ++++++++++++++++++++++++++++++
gnuefi/elf_loongarch64_efi.lds | 63 +++++++++++++
gnuefi/reloc_loongarch64.c | 104 ++++++++++++++++++++
inc/efi.h | 21 ++++-
inc/loongarch64/efibind.h | 157 +++++++++++++++++++++++++++++++
inc/loongarch64/efilibplat.h | 19 ++++
inc/loongarch64/efisetjmp_arch.h | 23 +++++
lib/Makefile | 2 +-
lib/loongarch64/efi_stub.S | 1 +
lib/loongarch64/initplat.c | 26 +++++
lib/loongarch64/math.c | 63 +++++++++++++
lib/loongarch64/setjmp.S | 68 +++++++++++++
14 files changed, 707 insertions(+), 4 deletions(-)
create mode 100644 gnuefi/crt0-efi-loongarch64.S
create mode 100644 gnuefi/elf_loongarch64_efi.lds
create mode 100644 gnuefi/reloc_loongarch64.c
create mode 100644 inc/loongarch64/efibind.h
create mode 100644 inc/loongarch64/efilibplat.h
create mode 100644 inc/loongarch64/efisetjmp_arch.h
create mode 100644 lib/loongarch64/efi_stub.S
create mode 100644 lib/loongarch64/initplat.c
create mode 100644 lib/loongarch64/math.c
create mode 100644 lib/loongarch64/setjmp.S
diff --git a/Make.defaults b/Make.defaults
index ba743f1..d7c7201 100755
--- a/Make.defaults
+++ b/Make.defaults
@@ -135,6 +135,12 @@ ifeq ($(ARCH),mips64el)
ARCH3264 = -mabi=64
endif
+ifeq ($(ARCH),loongarch64)
+ CFLAGS += -march=loongarch64
+ CFLAGS += -Wno-maybe-uninitialized
+ ARCH3264 = -mabi=lp64d
+endif
+
#
# Set HAVE_EFI_OBJCOPY if objcopy understands --target efi-[app|bsdrv|rtdrv],
# otherwise we need to compose the PE/COFF header using the assembler
@@ -142,10 +148,12 @@ endif
ifneq ($(ARCH),aarch64)
ifneq ($(ARCH),arm)
ifneq ($(ARCH),mips64el)
+ifneq ($(ARCH),loongarch64)
export HAVE_EFI_OBJCOPY=y
endif
endif
endif
+endif
ifneq ($(ARCH),arm)
export LIBGCC=$(shell $(CC) $(ARCH3264) -print-libgcc-file-name)
diff --git a/apps/lfbgrid.c b/apps/lfbgrid.c
index 53a255a..6924714 100644
--- a/apps/lfbgrid.c
+++ b/apps/lfbgrid.c
@@ -51,7 +51,7 @@ draw_boxes(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
UINTN NumPixels;
UINT32 *PixelBuffer;
UINT32 CopySize, BufferSize;
-#if defined(__x86_64__) || defined(__aarch64__)
+#if defined(__x86_64__) || defined(__aarch64__) || defined(__loongarch64)
UINT64 FrameBufferAddr;
#elif defined(__i386__) || defined(__arm__)
UINT32 FrameBufferAddr;
@@ -114,7 +114,7 @@ draw_boxes(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
Print(L"No linear framebuffer on this device.\n");
return;
}
-#if defined(__x86_64__) || defined(__aarch64__)
+#if defined(__x86_64__) || defined(__aarch64__) || defined(__loongarch64)
FrameBufferAddr = (UINT64)gop->Mode->FrameBufferBase;
#elif defined(__i386__) || defined(__arm__)
FrameBufferAddr = (UINT32)(UINT64)gop->Mode->FrameBufferBase;
diff --git a/gnuefi/crt0-efi-loongarch64.S b/gnuefi/crt0-efi-loongarch64.S
new file mode 100644
index 0000000..883c79a
--- /dev/null
+++ b/gnuefi/crt0-efi-loongarch64.S
@@ -0,0 +1,152 @@
+/*
+ * 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.
+ */
+
+#ifndef EFI_SUBSYSTEM
+#define EFI_SUBSYSTEM 0xa
+#endif
+
+ .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
+ jr $ra
+ .end _start
\ No newline at end of file
diff --git a/gnuefi/elf_loongarch64_efi.lds b/gnuefi/elf_loongarch64_efi.lds
new file mode 100644
index 0000000..d64ccb9
--- /dev/null
+++ b/gnuefi/elf_loongarch64_efi.lds
@@ -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) }
+}
\ No newline at end of file
diff --git a/gnuefi/reloc_loongarch64.c b/gnuefi/reloc_loongarch64.c
new file mode 100644
index 0000000..e593f52
--- /dev/null
+++ b/gnuefi/reloc_loongarch64.c
@@ -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;
+}
\ No newline at end of file
diff --git a/inc/efi.h b/inc/efi.h
index 9cbc22d..cc075a7 100644
--- a/inc/efi.h
+++ b/inc/efi.h
@@ -38,7 +38,26 @@ Revision History
#define EFI_FIRMWARE_MINOR_REVISION 33
#define EFI_FIRMWARE_REVISION ((EFI_FIRMWARE_MAJOR_REVISION <<16) | (EFI_FIRMWARE_MINOR_REVISION))
-#include "efibind.h"
+#if defined(_M_X64) || defined(__x86_64__) || defined(__amd64__)
+#include "x86_64/efibind.h"
+#elif defined(_M_IX86) || defined(__i386__)
+#include "ia32/efibind.h"
+#elif defined(_M_IA64) || defined(__ia64__)
+#include "ia64/efibind.h"
+#elif defined (_M_ARM64) || defined(__aarch64__)
+#include "aarch64/efibind.h"
+#elif defined (_M_ARM) || defined(__arm__)
+#include "arm/efibind.h"
+#elif defined (_M_MIPS64) || defined(__mips64__) || defined(__mips64)
+#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
+
#include "eficompiler.h"
#include "efidef.h"
#include "efidevp.h"
diff --git a/inc/loongarch64/efibind.h b/inc/loongarch64/efibind.h
new file mode 100644
index 0000000..d46f06f
--- /dev/null
+++ b/inc/loongarch64/efibind.h
@@ -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;
+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
\ No newline at end of file
diff --git a/inc/loongarch64/efilibplat.h b/inc/loongarch64/efilibplat.h
new file mode 100644
index 0000000..5e84eba
--- /dev/null
+++ b/inc/loongarch64/efilibplat.h
@@ -0,0 +1,19 @@
+/*++
+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
+ );
\ No newline at end of file
diff --git a/inc/loongarch64/efisetjmp_arch.h b/inc/loongarch64/efisetjmp_arch.h
new file mode 100644
index 0000000..17e193d
--- /dev/null
+++ b/inc/loongarch64/efisetjmp_arch.h
@@ -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 */
\ No newline at end of file
diff --git a/lib/Makefile b/lib/Makefile
index 0e6410d..6967381 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -64,7 +64,7 @@ endif
OBJS = $(FILES:%=%.o)
-SUBDIRS = ia32 x86_64 ia64 aarch64 arm mips64el runtime
+SUBDIRS = ia32 x86_64 ia64 aarch64 arm mips64el loongarch64 runtime
LIBDIRINSTALL = $(INSTALLROOT)$(LIBDIR)
diff --git a/lib/loongarch64/efi_stub.S b/lib/loongarch64/efi_stub.S
new file mode 100644
index 0000000..184f9ab
--- /dev/null
+++ b/lib/loongarch64/efi_stub.S
@@ -0,0 +1 @@
+/* This stub is a stub to make the build happy */
\ No newline at end of file
diff --git a/lib/loongarch64/initplat.c b/lib/loongarch64/initplat.c
new file mode 100644
index 0000000..44a2e77
--- /dev/null
+++ b/lib/loongarch64/initplat.c
@@ -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
+ )
+{
+}
\ No newline at end of file
diff --git a/lib/loongarch64/math.c b/lib/loongarch64/math.c
new file mode 100644
index 0000000..d41be9d
--- /dev/null
+++ b/lib/loongarch64/math.c
@@ -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;
+}
\ No newline at end of file
diff --git a/lib/loongarch64/setjmp.S b/lib/loongarch64/setjmp.S
new file mode 100644
index 0000000..54be8e7
--- /dev/null
+++ b/lib/loongarch64/setjmp.S
@@ -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
+ jr $ra
+
+/*
+ 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:
+ jr $ra
\ No newline at end of file
--
2.39.2
Reference in New Issue View Git Blame Copy Permalink