Radix cross Linux

Index: include/grub/riscv32/linux.h
===================================================================
--- include/grub/riscv32/linux.h	(nonexistent)
+++ include/grub/riscv32/linux.h	(revision 216)
@@ -0,0 +1,42 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2018  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_RISCV32_LINUX_HEADER
+#define GRUB_RISCV32_LINUX_HEADER 1
+
+#define GRUB_LINUX_RISCV_MAGIC_SIGNATURE 0x05435352 /* 'RSC\0x5' */
+
+/* From linux/Documentation/riscv/boot-image-header.rst */
+struct linux_riscv_kernel_header
+{
+  grub_uint32_t code0;		/* Executable code */
+  grub_uint32_t code1;		/* Executable code */
+  grub_uint64_t text_offset;	/* Image load offset, little endian */
+  grub_uint64_t image_size;	/* Effective Image size, little endian */
+  grub_uint64_t flags;		/* kernel flags, little endian */
+  grub_uint32_t version;	/* Version of this header */
+  grub_uint32_t res1;		/* reserved */
+  grub_uint64_t res2;		/* reserved */
+  grub_uint64_t res3;		/* reserved */
+  grub_uint32_t magic;		/* Magic number, little endian, "RSC\0x5" */
+  grub_uint32_t hdr_offset;	/* Offset of PE/COFF header */
+};
+
+#define linux_arch_kernel_header linux_riscv_kernel_header
+
+#endif /* ! GRUB_RISCV32_LINUX_HEADER */
Index: include/grub/riscv64/linux.h
===================================================================
--- include/grub/riscv64/linux.h	(nonexistent)
+++ include/grub/riscv64/linux.h	(revision 216)
@@ -0,0 +1,44 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2018  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_RISCV64_LINUX_HEADER
+#define GRUB_RISCV64_LINUX_HEADER 1
+
+#define GRUB_LINUX_RISCV_MAGIC_SIGNATURE 0x05435352 /* 'RSC\0x5' */
+
+#define GRUB_EFI_PE_MAGIC	0x5A4D
+
+/* From linux/Documentation/riscv/boot-image-header.rst */
+struct linux_riscv_kernel_header
+{
+  grub_uint32_t code0;		/* Executable code */
+  grub_uint32_t code1;		/* Executable code */
+  grub_uint64_t text_offset;	/* Image load offset, little endian */
+  grub_uint64_t image_size;	/* Effective Image size, little endian */
+  grub_uint64_t flags;		/* kernel flags, little endian */
+  grub_uint32_t version;	/* Version of this header */
+  grub_uint32_t res1;		/* reserved */
+  grub_uint64_t res2;		/* reserved */
+  grub_uint64_t res3;		/* reserved */
+  grub_uint32_t magic;		/* Magic number, little endian, "RSC\0x5" */
+  grub_uint32_t hdr_offset;	/* Offset of PE/COFF header */
+};
+
+#define linux_arch_kernel_header linux_riscv_kernel_header
+
+#endif /* ! GRUB_RISCV64_LINUX_HEADER */