File be675041bcc3435830d83d19d8fdbca686a27b87.patch of Package fwupd-efi2

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File be675041bcc3435830d83d19d8fdbca686a27b87.patch of Package fwupd-efi2 (Revision 87c6398262add43a4487bb3737591ac5)

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From be675041bcc3435830d83d19d8fdbca686a27b87 Mon Sep 17 00:00:00 2001
From: Callum Farmer <gmbr3@opensuse.org>
Date: Sun, 11 Feb 2024 13:49:32 +0000
Subject: [PATCH] Add RISC-V support

* Add crt0/lds from gnu-efi
* Merge previous two attempts

Signed-off-by: Callum Farmer <gmbr3@opensuse.org>
Co-authored-by: Richard Hughes <richard@hughsie.com>
Co-authored-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
---
 efi/crt0/crt0-efi-riscv64.S | 214 ++++++++++++++++++++++++++++++++++++
 efi/fwupdate.c              |   2 +-
 efi/generate_binary.py      |   2 +-
 efi/lds/elf_riscv64_efi.lds | 171 ++++++++++++++++++++++++++++
 efi/meson.build             |   4 +-
 meson.build                 |   3 +
 6 files changed, 392 insertions(+), 4 deletions(-)
 create mode 100644 efi/crt0/crt0-efi-riscv64.S
 create mode 100644 efi/lds/elf_riscv64_efi.lds

diff --git a/efi/crt0/crt0-efi-riscv64.S b/efi/crt0/crt0-efi-riscv64.S
new file mode 100644
index 0000000..dbc87fb
--- /dev/null
+++ b/efi/crt0/crt0-efi-riscv64.S
@@ -0,0 +1,214 @@
+/* SPDX-License-Identifier: GPL-2.0+ OR BSD-2-Clause */
+/*
+ * Copright (C) 2014 Linaro Ltd. <ard.biesheuvel@linaro.org>
+ * Copright (C) 2018 Alexander Graf <agraf@suse.de>
+ *
+ * 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 10
+#endif
+
+	.section	.text.head
+
+	/*
+	 * Magic "MZ" signature for PE/COFF
+	 */
+	.globl	ImageBase
+ImageBase:
+	.ascii	"MZ"
+	.skip	58				// 'MZ' + pad + offset == 64
+	.4byte	pe_header - ImageBase		// Offset to the PE header.
+pe_header:
+	.ascii	"PE"
+	.2byte 	0
+coff_header:
+	.2byte	0x5064				// riscv64
+	.2byte	4				// nr_sections
+	.4byte	0 				// TimeDateStamp
+	.4byte	0				// PointerToSymbolTable
+	.4byte	0				// NumberOfSymbols
+	.2byte	section_table - optional_header	// SizeOfOptionalHeader
+	.2byte	0x206				// Characteristics.
+						// IMAGE_FILE_DEBUG_STRIPPED |
+						// IMAGE_FILE_EXECUTABLE_IMAGE |
+						// IMAGE_FILE_LINE_NUMS_STRIPPED
+optional_header:
+	.2byte	0x20b				// PE32+ format
+	.byte	0x02				// MajorLinkerVersion
+	.byte	0x14				// MinorLinkerVersion
+	.4byte	_text_size - ImageBase		// SizeOfCode
+	.4byte	_alldata_size - ImageBase		// SizeOfInitializedData
+	.4byte	0				// SizeOfUninitializedData
+	.4byte	_start - ImageBase		// AddressOfEntryPoint
+	.4byte	_text - ImageBase		// BaseOfCode
+
+extra_header_fields:
+	.8byte	0				// ImageBase
+	.4byte	0x1000				// SectionAlignment
+	.4byte	0x1000				// FileAlignment
+	.2byte	0				// MajorOperatingSystemVersion
+	.2byte	0				// MinorOperatingSystemVersion
+	.2byte	0				// MajorImageVersion
+	.2byte	0				// MinorImageVersion
+	.2byte	0				// MajorSubsystemVersion
+	.2byte	0				// MinorSubsystemVersion
+	.4byte	0				// Win32VersionValue
+
+	.4byte	_image_end - ImageBase		// SizeOfImage
+
+	// Everything before the kernel image is considered part of the header
+	.4byte	_text - ImageBase		// SizeOfHeaders
+	.4byte	0				// CheckSum
+	.2byte	EFI_SUBSYSTEM			// Subsystem
+	.2byte	0				// DllCharacteristics
+	.8byte	0				// SizeOfStackReserve
+	.8byte	0				// SizeOfStackCommit
+	.8byte	0				// SizeOfHeapReserve
+	.8byte	0				// SizeOfHeapCommit
+	.4byte	0				// LoaderFlags
+	.4byte	0x10				// NumberOfRvaAndSizes
+
+	.8byte	0				// ExportTable
+	.8byte	0				// ImportTable
+	.8byte	0				// ResourceTable
+	.8byte	0				// ExceptionTable
+	.8byte	0				// CertificationTable
+	.4byte	_reloc - ImageBase				// BaseRelocationTable (VirtualAddress)
+	.4byte	_reloc_vsize - ImageBase				// BaseRelocationTable (Size)
+	.8byte	0				// Debug
+	.8byte	0				// Architecture
+	.8byte	0				// Global Ptr
+	.8byte	0				// TLS Table
+	.8byte	0				// Load Config Table
+	.8byte	0				// Bound Import
+	.8byte	0				// IAT
+	.8byte	0				// Delay Import Descriptor
+	.8byte	0				// CLR Runtime Header
+	.8byte	0				// Reserved, must be zero
+
+	// Section table
+section_table:
+
+	.ascii	".text\0\0\0"
+	.4byte	_text_vsize - ImageBase		// VirtualSize
+	.4byte	_text - ImageBase	// VirtualAddress
+	.4byte	_text_size - ImageBase		// SizeOfRawData
+	.4byte	_text - ImageBase	// PointerToRawData
+	.4byte	0		// PointerToRelocations (0 for executables)
+	.4byte	0		// PointerToLineNumbers (0 for executables)
+	.2byte	0		// NumberOfRelocations  (0 for executables)
+	.2byte	0		// NumberOfLineNumbers  (0 for executables)
+	.4byte	0x60000020	// Characteristics (section flags)
+
+	/*
+	 * 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\0\0"
+	.4byte	_reloc_vsize - ImageBase			// VirtualSize
+	.4byte	_reloc - ImageBase			// VirtualAddress
+	.4byte	_reloc_size - ImageBase			// SizeOfRawData
+	.4byte	_reloc - ImageBase			// PointerToRawData
+	.4byte	0			// PointerToRelocations
+	.4byte	0			// PointerToLineNumbers
+	.2byte	0			// NumberOfRelocations
+	.2byte	0			// NumberOfLineNumbers
+	.4byte	0x42000040		// Characteristics (section flags)
+
+	.ascii	".data\0\0\0"
+	.4byte	_data_vsize - ImageBase			// VirtualSize
+	.4byte	_data - ImageBase			// VirtualAddress
+	.4byte	_data_size - ImageBase			// SizeOfRawData
+	.4byte	_data - ImageBase			// PointerToRawData
+	.4byte	0			// PointerToRelocations
+	.4byte	0			// PointerToLineNumbers
+	.2byte	0			// NumberOfRelocations
+	.2byte	0			// NumberOfLineNumbers
+	.4byte	0xC0000040		// Characteristics (section flags)
+
+	.ascii	".rodata\0"
+	.4byte	_rodata_vsize - ImageBase			// VirtualSize
+	.4byte	_rodata - ImageBase			// VirtualAddress
+	.4byte	_rodata_size - ImageBase			// SizeOfRawData
+	.4byte	_rodata - ImageBase			// PointerToRawData
+	.4byte	0			// PointerToRelocations
+	.4byte	0			// PointerToLineNumbers
+	.2byte	0			// NumberOfRelocations
+	.2byte	0			// NumberOfLineNumbers
+	.4byte	0x40000040		// Characteristics (section flags)
+
+#ifdef USING_SBAT
+	.ascii	".sbat\0\0\0"
+	.4byte	_sbat_vsize - ImageBase		// VirtualSize
+	.4byte	_sbat - ImageBase	// VirtualAddress
+	.4byte	_sbat_size - ImageBase		// SizeOfRawData
+	.4byte	_sbat - ImageBase	// PointerToRawData
+
+	.4byte	0		// PointerToRelocations (0 for executables)
+	.4byte	0		// PointerToLineNumbers (0 for executables)
+	.2byte	0		// NumberOfRelocations  (0 for executables)
+	.2byte	0		// NumberOfLineNumbers  (0 for executables)
+	.4byte	0x40000040	// Characteristics (section flags)
+#endif
+#ifdef USING_SBOM
+	.ascii	".sbom\0\0\0"
+	.4byte	_sbom_vsize - ImageBase		// VirtualSize
+	.4byte	_sbom - ImageBase	// VirtualAddress
+	.4byte	_sbom_size - ImageBase		// SizeOfRawData
+	.4byte	_sbom - ImageBase	// PointerToRawData
+
+	.4byte	0		// PointerToRelocations (0 for executables)
+	.4byte	0		// PointerToLineNumbers (0 for executables)
+	.2byte	0		// NumberOfRelocations  (0 for executables)
+	.2byte	0		// NumberOfLineNumbers  (0 for executables)
+	.4byte	0x40000040	// Characteristics (section flags)
+#endif
+
+	.text
+	.globl _start
+	.type _start,%function
+_start:
+	addi		sp, sp, -24
+	sd		a0, 0(sp)
+	sd		a1, 8(sp)
+	sd		ra, 16(sp)
+	lla		a0, ImageBase
+	lla		a1, _DYNAMIC
+	call		_relocate
+	bne		a0, zero, 0f
+	ld		a1, 8(sp)
+	ld		a0, 0(sp)
+	call		efi_main
+	ld		ra, 16(sp)
+0:	addi		sp, sp, 24
+	ret
+
+// hand-craft a dummy .reloc section so EFI knows it's a relocatable executable:
+ 
+ 	.data
+dummy:	.4byte	0
+
+#define IMAGE_REL_ABSOLUTE	0
+ 	.section .reloc, "a"
+label1:
+	.4byte	dummy-label1				// Page RVA
+	.4byte	12					// Block Size (2*4+2*2), must be aligned by 32 Bits
+	.2byte	(IMAGE_REL_ABSOLUTE<<12) +  0		// reloc for dummy
+	.2byte	(IMAGE_REL_ABSOLUTE<<12) +  0		// reloc for dummy
+
+#if defined(__ELF__) && defined(__linux__)
+	.section .note.GNU-stack,"",%progbits
+#endif
diff --git a/efi/fwupdate.c b/efi/fwupdate.c
index 4853c48..ad5a6b1 100644
--- a/efi/fwupdate.c
+++ b/efi/fwupdate.c
@@ -431,7 +431,7 @@ fwup_add_update_capsule(FWUP_UPDATE_TABLE *update, EFI_CAPSULE_HEADER **capsule_
 	capsule = cap_out = (EFI_CAPSULE_HEADER *)fbuf;
 	if (cap_out->Flags == 0 &&
 	    CompareGuid(&update->info->guid, &ux_capsule_guid) != 0) {
-#if defined(__aarch64__)
+#if defined(__aarch64__) || (defined(__riscv) && __riscv_xlen == 64)
 		cap_out->Flags |= update->info->capsule_flags;
 #else
 		cap_out->Flags |= update->info->capsule_flags |
diff --git a/efi/generate_binary.py b/efi/generate_binary.py
index e27f926..443472a 100755
--- a/efi/generate_binary.py
+++ b/efi/generate_binary.py
@@ -38,7 +38,7 @@ def _run_objcopy(args):
         args.outfile,
     ]
 
-    # older objcopy for Aarch64 and ARM32 are not EFI capable.
+    # older objcopy for Aarch64, ARM32 and RISC-V are not EFI capable.
     # Use "binary" instead, and add required symbols manually.
     if args.objcopy_manualsymbols:
         argv.extend(["-O", "binary"])
diff --git a/efi/lds/elf_riscv64_efi.lds b/efi/lds/elf_riscv64_efi.lds
new file mode 100644
index 0000000..52aa289
--- /dev/null
+++ b/efi/lds/elf_riscv64_efi.lds
@@ -0,0 +1,171 @@
+/* SPDX-License-Identifier: GPL-2.0+ OR BSD-2-Clause */
+
+OUTPUT_FORMAT("elf64-littleriscv", "elf64-littleriscv", "elf64-littleriscv")
+OUTPUT_ARCH(riscv)
+ENTRY(_start)
+SECTIONS
+{
+  .text 0 : {
+    *(.text.head)
+    . = ALIGN(4096);
+    _text = .;
+    *(.text)
+    *(.text.*)
+    *(.gnu.linkonce.t.*)
+    *(.plt)
+    . = ALIGN(16);
+    _evtext = .;
+    . = ALIGN(4096);
+    _etext = .;
+  } =0
+  _text_vsize = _evtext - _text;
+  _text_size = _etext - _text;
+  . = ALIGN(4096);
+  _reloc = .;
+  .reloc : {
+    *(.reloc)
+    _evreloc = .;
+    . = ALIGN(4096);
+    _ereloc = .;
+  } =0
+  _reloc_vsize = _evreloc - _reloc;
+  _reloc_size = _ereloc - _reloc;
+  . = ALIGN(4096);
+  _data = .;
+  .dynamic  : { *(.dynamic) }
+  . = ALIGN(4096);
+  .data :
+  {
+   *(.sdata)
+   *(.data)
+   *(.data1)
+   *(.data.*)
+   *(.got.plt)
+   *(.got)
+
+   /*
+    * Note that these aren't the using the GNU "CONSTRUCTOR" output section
+    * command, so they don't start with a size.  Because of p2align and the
+    * end/END definitions, and the fact that they're mergeable, they can also
+    * have NULLs which aren't guaranteed to be at the end.
+    */
+   . = ALIGN(16);
+   __init_array_start = .;
+   *(SORT(.init_array.*))
+   *(.init_array)
+   __init_array_end = .;
+  . = ALIGN(16);
+   __CTOR_LIST__ = .;
+   *(SORT(.ctors.*))
+   *(.ctors)
+   __CTOR_END__ = .;
+  . = ALIGN(16);
+   __DTOR_LIST__ = .;
+   *(SORT(.dtors.*))
+   *(.dtors)
+   __DTOR_END__ = .;
+   . = ALIGN(16);
+   __fini_array_start = .;
+   *(SORT(.fini_array.*))
+   *(.fini_array)
+   __fini_array_end = .;
+
+   /* 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)
+   *(.bss.*)
+   *(COMMON)
+   . = ALIGN(16);
+   _bss_end = .;
+   _evdata = .;
+   . = ALIGN(4096);
+   _edata = .;
+  } =0
+  _data_vsize = _evdata - _data;
+  _data_size = _edata - _data;
+
+  . = ALIGN(4096);
+  _rodata = .;
+  .rela :
+  {
+    *(.rela.text*)
+    *(.rela.data*)
+    *(.rela.got)
+    *(.rela.dyn)
+    *(.rela.stab)
+    *(.rela.init_array*)
+    *(.rela.fini_array*)
+    *(.rela.ctors*)
+    *(.rela.dtors*)
+
+  }
+  . = ALIGN(4096);
+  .rela.plt : { *(.rela.plt) }
+  . = ALIGN(4096);
+  .rodata : {
+    *(.rodata*)
+    _evrodata = .;
+    . = ALIGN(4096);
+    _erodata = .;
+  } =0
+  _rodata_vsize = _evrodata - _rodata;
+  _rodata_size = _erodata - _rodata;
+/*
+   * Note that _sbat must be the beginning of the data, and _esbat must be the
+   * end and must be before any section padding.  The sbat self-check uses
+   * _esbat to find the bounds of the data, and if the padding is included, the
+   * CSV parser (correctly) rejects the data as having NUL values in one of the
+   * required columns.
+   */
+  . = ALIGN(4096);
+  .sbat :
+  {
+    _sbat = .;
+    *(.sbat)
+    *(.sbat.*)
+    _esbat = .;
+    . = ALIGN(4096);
+    _epsbat = .;
+  } =0
+  _sbat_size = _epsbat - _sbat;
+  _sbat_vsize = _esbat - _sbat;
+  . = ALIGN(4096);
+  .sbom :
+  {
+    _sbom = .;
+    *(.sbom)
+    _esbom = .;
+    . = ALIGN(4096);
+    _epsbom = .;
+  } =0
+  _sbom_size = _epsbom - _sbom;
+  _sbom_vsize = _esbom - _sbom;
+  _image_end = .;
+  _alldata_size = _image_end - _reloc;
+
+  . = ALIGN(4096);
+  .dynsym   : { *(.dynsym) }
+  . = ALIGN(4096);
+  .dynstr   : { *(.dynstr) }
+  . = ALIGN(4096);
+  .note.gnu.build-id : { *(.note.gnu.build-id) }
+  . = ALIGN(4096);
+  .hash : { *(.hash) }
+  . = ALIGN(4096);
+  .gnu.hash : { *(.gnu.hash) }
+  . = ALIGN(4096);
+  .eh_frame : { *(.eh_frame) }
+  . = ALIGN(4096);
+  .gcc_except_table : { *(.gcc_except_table*) }
+  /DISCARD/ :
+  {
+    *(.rela.reloc)
+    *(.note.GNU-stack)
+  }
+  .comment 0 : { *(.comment) }
+}
diff --git a/efi/meson.build b/efi/meson.build
index eb31a5c..37e49b5 100644
--- a/efi/meson.build
+++ b/efi/meson.build
@@ -100,9 +100,9 @@ if run_command('grep', '-q', '.note.GNU-stack', join_paths(efi_crtdir, arch_crt)
   warning('Cannot find NX section in @0@, update to gnu-efi 3.0.15+'.format(join_paths(efi_crtdir, arch_crt)))
 endif
 
-# older objcopy for Aarch64 and ARM32 are not EFI capable.
+# older objcopy for Aarch64, ARM32 and RISC-V are not EFI capable.
 # Use 'binary' instead, and add required symbols manually.
-if host_cpu == 'arm' or (host_cpu == 'aarch64' and (objcopy_version.version_compare ('< 2.38') or coff_header_in_crt0 or uswid.found()))
+if host_cpu == 'arm' or host_cpu == 'riscv64' or (host_cpu == 'aarch64' and (objcopy_version.version_compare ('< 2.38') or coff_header_in_crt0 or uswid.found()))
   objcopy_manualsymbols = true
   generate_binary_extra = ['--objcopy-manualsymbols']
 elif host_cpu == 'loongarch64' and (objcopy_version.version_compare ('< 2.41') or coff_header_in_crt0)
diff --git a/meson.build b/meson.build
index 163f986..500414b 100644
--- a/meson.build
+++ b/meson.build
@@ -36,6 +36,9 @@ elif host_cpu == 'aarch64'
 elif host_cpu == 'loongarch64'
         EFI_MACHINE_TYPE_NAME = 'loongarch64'
         gnu_efi_arch = 'loongarch64'
+elif host_cpu == 'riscv64'
+        EFI_MACHINE_TYPE_NAME = 'riscv64'
+        gnu_efi_arch = 'riscv64'
 else
         error('Unknown host_cpu ' + host_cpu)
 endif

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File be675041bcc3435830d83d19d8fdbca686a27b87.patch of Package fwupd-efi2 (Revision 87c6398262add43a4487bb3737591ac5)

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