load multiboot memory map, heap is done!!!

1 files changed, 106 insertions, 0 deletions

diff --git a/kernel/mboot/mboot.h b/kernel/mboot/mboot.h
new file mode 100644
index 0000000..39a961d
--- /dev/null
+++ b/kernel/mboot/mboot.h
@@ -0,0 +1,106 @@
+/**
+ * @file mboot.h
+ *
+ * @author Freya Murphy <freya@freyacat.org>
+ *
+ * Internal multiboot structures
+ */
+
+#ifndef __MBOOT_H_
+#define __MBOOT_H_
+
+#include <lib.h>
+
+#define MBOOT_HEADER_MAGIC  0x36D76289
+
+#define MBOOT_CMDLINE       1
+#define MBOOT_MEMORY_MAP    6
+#define MBOOT_FRAMEBUFFER   8
+#define MBOOT_ELF_SYMBOLS   9
+#define MBOOT_OLD_RSDP     14
+#define MBOOT_NEW_RSDP     15
+
+struct mboot_info {
+	uint32_t total_size;
+	uint32_t reserved;
+	char tags[];
+};
+
+struct mboot_tag {
+	uint32_t type;
+	uint32_t size;
+	char data[];
+};
+
+struct mboot_tag_elf_sections {
+	uint32_t type;
+	uint32_t size;
+	uint16_t num;
+	uint16_t entsize;
+	uint16_t shndx;
+	uint16_t reserved;
+	char sections[];
+};
+
+struct mboot_tag_elf_sections_entry {
+	uint32_t sh_name;
+	uint32_t sh_type;
+	uint64_t sh_flags;
+	uint64_t sh_addr;
+	uint64_t sh_offset;
+	uint64_t sh_size;
+	uint32_t sh_link;
+	uint32_t sh_info;
+	uint64_t sh_addralign;
+	uint64_t sh_entsize;
+};
+
+struct mboot_mmap_entry {
+	uint64_t addr;
+	uint64_t len;
+	uint32_t type;
+	uint32_t zero;
+};
+
+struct mboot_tag_mmap {
+	uint32_t type;
+	uint32_t size;
+	uint32_t entry_size;
+	uint32_t entry_version;
+	struct mboot_mmap_entry entries[];
+};
+
+
+struct mboot_tag_old_rsdp {
+	uint32_t type;
+	uint32_t size;
+	char rsdp[];
+};
+
+struct mboot_tag_new_rsdp {
+	uint32_t type;
+	uint32_t size;
+	char rsdp[];
+};
+
+struct mboot_tag_cmdline {
+	uint32_t type;
+	uint32_t size;
+	uint8_t cmdline[];
+};
+
+struct mboot_tag_framebuffer {
+	uint32_t type;
+	uint32_t size;
+	uint64_t framebuffer_addr;
+	uint32_t framebuffer_pitch;
+	uint32_t framebuffer_width;
+	uint32_t framebuffer_height;
+	uint8_t framebuffer_bpp;
+	uint8_t framebuffer_type;
+	uint16_t reserved;
+};
+
+void *locate_mboot_table(volatile void *mboot, uint32_t type);
+
+#endif /* mboot.h */