Add LoongArch support

Signed-off-by: mengyingkun <mengyingkun@loongson.cn>
(cherry picked from commit e9acecfb21878c4ffa6baf3e9ed914ff3b0edede)

grub.macros

@@ -99,7 +99,7 @@
 %endif
 
 
-%global efi_only aarch64 %{arm} riscv64
+%global efi_only aarch64 %{arm} riscv64 loongarch64
 %global efi_arch x86_64 ia64 %{efi_only}
 %ifarch %{efi_arch}
 %global with_efi_arch 1
@@ -117,7 +117,7 @@
 %{?with_efi_only:%global without_efi_only 1}
 
 ### fixme
-%ifarch aarch64 %{arm} riscv64
+%ifarch aarch64 %{arm} riscv64 loongarch64
 %global efi_modules " tpm "
 %else
 %global efi_modules " backtrace chain tpm usb usbserial_common usbserial_pl2303 usbserial_ftdi usbserial_usbdebug keylayouts at_keyboard "
@@ -192,6 +192,14 @@
 	)}
 %endif
 
+%ifarch loongarch64
+%global with_emu_arch 0
+%global efiarch loongarch64
+%global target_cpu_name loongarch64
+%global grub_target_name loongarch64-efi
+%global package_arch efi-loongarch64
+%endif
+
 %global _target_platform %{target_cpu_name}-%{_vendor}-%{_target_os}%{?_gnu}
 %global _alt_target_platform %{alt_target_cpu_name}-%{_vendor}-%{_target_os}%{?_gnu}
 

grub.patches

@@ -286,3 +286,6 @@ Patch0286: backport-font-Fix-an-integer-underflow-in-blit_comb.patch
 Patch0287: backport-font-Harden-grub_font_blit_glyph-and-grub_font_blit_.patch
 Patch0288: backport-font-Assign-null_font-to-glyphs-in-ascii_font_glyph.patch
 Patch0289: backport-normal-charset-Fix-an-integer-overflow-in-grub_unico.patch
+%ifarch loongarch64
+Patch0290: port-Add-LoongArch-support.patch
+%endif

grub2.spec

@@ -14,7 +14,7 @@
 Name:		grub2
 Epoch:		1
 Version:	2.06
-Release:	17
+Release:	18
 Summary:	Bootloader with support for Linux, Multiboot and more
 License:	GPLv3+
 URL:		http://www.gnu.org/software/grub/
@@ -439,6 +439,12 @@ fi
 %{_datadir}/man/man*
 
 %changelog
+* Tue Jan 10 2023 mengyingkun <mengyingkun@loongson.cn> - 1:2.06-18
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:add loongarch support
+
 * Mon Dec 19 2022 zhangqiumiao <zhangqiumiao1@huawei.com> - 1:2.06-17
 - Type:bugfix
 - CVE:NA