Import the multiboot module from X15 and relicense to GPLv2+

* i386/include/mach/i386/multiboot.h: Merge multiboot.h from X15.

1 files changed, 105 insertions, 0 deletions

diff --git a/i386/include/mach/i386/multiboot.h b/i386/include/mach/i386/multiboot.h
index 8f1c47b..c66ca03 100644
--- a/i386/include/mach/i386/multiboot.h
+++ b/i386/include/mach/i386/multiboot.h
@@ -188,5 +188,110 @@ struct multiboot_mmap
 /* usable memory "Type", all others are reserved.  */
 #define MB_ARD_MEMORY       1
 
+/*
+ * Copyright (c) 2010, 2012 Richard Braun.
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * Versions used by the biosmem module.
+ */
+
+#include <kern/macros.h>
+
+/*
+ * Magic number provided by the OS to the boot loader.
+ */
+#define MULTIBOOT_OS_MAGIC 0x1badb002
+
+/*
+ * Multiboot flags requesting services from the boot loader.
+ */
+#define MULTIBOOT_OS_MEMORY_INFO 0x2
+
+#define MULTIBOOT_OS_FLAGS MULTIBOOT_OS_MEMORY_INFO
+
+/*
+ * Magic number to identify a multiboot compliant boot loader.
+ */
+#define MULTIBOOT_LOADER_MAGIC 0x2badb002
+
+/*
+ * Multiboot flags set by the boot loader.
+ */
+#define MULTIBOOT_LOADER_MEMORY     0x01
+#define MULTIBOOT_LOADER_CMDLINE    0x04
+#define MULTIBOOT_LOADER_MODULES    0x08
+#define MULTIBOOT_LOADER_SHDR       0x20
+#define MULTIBOOT_LOADER_MMAP       0x40
+
+/*
+ * A multiboot module.
+ */
+struct multiboot_raw_module {
+    uint32_t mod_start;
+    uint32_t mod_end;
+    uint32_t string;
+    uint32_t reserved;
+} __packed;
+
+/*
+ * Memory map entry.
+ */
+struct multiboot_raw_mmap_entry {
+    uint32_t size;
+    uint64_t base_addr;
+    uint64_t length;
+    uint32_t type;
+} __packed;
+
+/*
+ * Multiboot information structure as passed by the boot loader.
+ */
+struct multiboot_raw_info {
+    uint32_t flags;
+    uint32_t mem_lower;
+    uint32_t mem_upper;
+    uint32_t unused0;
+    uint32_t cmdline;
+    uint32_t mods_count;
+    uint32_t mods_addr;
+    uint32_t shdr_num;
+    uint32_t shdr_size;
+    uint32_t shdr_addr;
+    uint32_t shdr_strndx;
+    uint32_t mmap_length;
+    uint32_t mmap_addr;
+    uint32_t unused1[9];
+} __packed;
+
+/*
+ * Versions of the multiboot structures suitable for use with 64-bit pointers.
+ */
+
+struct multiboot_os_module {
+    void *mod_start;
+    void *mod_end;
+    char *string;
+};
+
+struct multiboot_os_info {
+    uint32_t flags;
+    char *cmdline;
+    struct multiboot_module *mods_addr;
+    uint32_t mods_count;
+};
 
 #endif /* _MACH_I386_MULTIBOOT_H_ */