Initial checkin

util/baremetal/include/boot/elf.h

@@ -0,0 +1,404 @@
+#ifndef ELF_H
+#define	ELF_H
+
+/* Standard ELF types.  */
+
+#include <stdint.h>
+#include <stddef.h>
+#include <arch/boot/boot.h>
+
+/* Type for a 16-bit quantity.  */
+typedef uint16_t Elf32_Half;
+typedef uint16_t Elf64_Half;
+
+/* Types for signed and unsigned 32-bit quantities.  */
+typedef uint32_t Elf32_Word;
+typedef	int32_t  Elf32_Sword;
+typedef uint32_t Elf64_Word;
+typedef	int32_t  Elf64_Sword;
+
+/* Types for signed and unsigned 64-bit quantities.  */
+typedef uint64_t Elf32_Xword;
+typedef	int64_t  Elf32_Sxword;
+typedef uint64_t Elf64_Xword;
+typedef	int64_t  Elf64_Sxword;
+
+/* Type of addresses.  */
+typedef uint32_t Elf32_Addr;
+typedef uint64_t Elf64_Addr;
+
+/* Type of file offsets.  */
+typedef uint32_t Elf32_Off;
+typedef uint64_t Elf64_Off;
+
+/* Type for section indices, which are 16-bit quantities.  */
+typedef uint16_t Elf32_Section;
+typedef uint16_t Elf64_Section;
+
+/* Type of symbol indices.  */
+typedef uint32_t Elf32_Symndx;
+typedef uint64_t Elf64_Symndx;
+
+
+/* The ELF file header.  This appears at the start of every ELF file.  */
+
+#define EI_NIDENT (16)
+
+typedef struct
+{
+  unsigned char	e_ident[EI_NIDENT];	/* Magic number and other info */
+  Elf32_Half	e_type;			/* Object file type */
+  Elf32_Half	e_machine;		/* Architecture */
+  Elf32_Word	e_version;		/* Object file version */
+  Elf32_Addr	e_entry;		/* Entry point virtual address */
+  Elf32_Off	e_phoff;		/* Program header table file offset */
+  Elf32_Off	e_shoff;		/* Section header table file offset */
+  Elf32_Word	e_flags;		/* Processor-specific flags */
+  Elf32_Half	e_ehsize;		/* ELF header size in bytes */
+  Elf32_Half	e_phentsize;		/* Program header table entry size */
+  Elf32_Half	e_phnum;		/* Program header table entry count */
+  Elf32_Half	e_shentsize;		/* Section header table entry size */
+  Elf32_Half	e_shnum;		/* Section header table entry count */
+  Elf32_Half	e_shstrndx;		/* Section header string table index */
+} Elf32_Ehdr;
+
+typedef struct
+{
+  unsigned char	e_ident[EI_NIDENT];	/* Magic number and other info */
+  Elf64_Half	e_type;			/* Object file type */
+  Elf64_Half	e_machine;		/* Architecture */
+  Elf64_Word	e_version;		/* Object file version */
+  Elf64_Addr	e_entry;		/* Entry point virtual address */
+  Elf64_Off	e_phoff;		/* Program header table file offset */
+  Elf64_Off	e_shoff;		/* Section header table file offset */
+  Elf64_Word	e_flags;		/* Processor-specific flags */
+  Elf64_Half	e_ehsize;		/* ELF header size in bytes */
+  Elf64_Half	e_phentsize;		/* Program header table entry size */
+  Elf64_Half	e_phnum;		/* Program header table entry count */
+  Elf64_Half	e_shentsize;		/* Section header table entry size */
+  Elf64_Half	e_shnum;		/* Section header table entry count */
+  Elf64_Half	e_shstrndx;		/* Section header string table index */
+} Elf64_Ehdr;
+
+/* Fields in the e_ident array.  The EI_* macros are indices into the
+   array.  The macros under each EI_* macro are the values the byte
+   may have.  */
+
+#define EI_MAG0		0		/* File identification byte 0 index */
+#define ELFMAG0		0x7f		/* Magic number byte 0 */
+
+#define EI_MAG1		1		/* File identification byte 1 index */
+#define ELFMAG1		'E'		/* Magic number byte 1 */
+
+#define EI_MAG2		2		/* File identification byte 2 index */
+#define ELFMAG2		'L'		/* Magic number byte 2 */
+
+#define EI_MAG3		3		/* File identification byte 3 index */
+#define ELFMAG3		'F'		/* Magic number byte 3 */
+
+/* Conglomeration of the identification bytes, for easy testing as a word.  */
+#define	ELFMAG		"\177ELF"
+#define	SELFMAG		4
+
+#define EI_CLASS	4		/* File class byte index */
+#define ELFCLASSNONE	0		/* Invalid class */
+#define ELFCLASS32	1		/* 32-bit objects */
+#define ELFCLASS64	2		/* 64-bit objects */
+#define ELFCLASSNUM	3
+
+#define EI_DATA		5		/* Data encoding byte index */
+#define ELFDATANONE	0		/* Invalid data encoding */
+#define ELFDATA2LSB	1		/* 2's complement, little endian */
+#define ELFDATA2MSB	2		/* 2's complement, big endian */
+#define ELFDATANUM	3
+
+#define EI_VERSION	6		/* File version byte index */
+					/* Value must be EV_CURRENT */
+
+#define EI_OSABI	7		/* OS ABI identification */
+#define ELFOSABI_SYSV		0	/* UNIX System V ABI */
+#define ELFOSABI_HPUX		1	/* HP-UX */
+#define ELFOSABI_ARM		97	/* ARM */
+#define ELFOSABI_STANDALONE	255	/* Standalone (embedded) application */
+
+#define EI_ABIVERSION	8		/* ABI version */
+
+#define EI_PAD		9		/* Byte index of padding bytes */
+
+/* Legal values for e_type (object file type).  */
+
+#define ET_NONE		0		/* No file type */
+#define ET_REL		1		/* Relocatable file */
+#define ET_EXEC		2		/* Executable file */
+#define ET_DYN		3		/* Shared object file */
+#define ET_CORE		4		/* Core file */
+#define	ET_NUM		5		/* Number of defined types */
+#define ET_LOPROC	0xff00		/* Processor-specific */
+#define ET_HIPROC	0xffff		/* Processor-specific */
+
+/* Legal values for e_machine (architecture).  */
+
+#define EM_NONE		 0		/* No machine */
+#define EM_M32		 1		/* AT&T WE 32100 */
+#define EM_SPARC	 2		/* SUN SPARC */
+#define EM_386		 3		/* Intel 80386 */
+#define EM_68K		 4		/* Motorola m68k family */
+#define EM_88K		 5		/* Motorola m88k family */
+#define EM_486		 6		/* Intel 80486 */
+#define EM_860		 7		/* Intel 80860 */
+#define EM_MIPS		 8		/* MIPS R3000 big-endian */
+#define EM_S370		 9		/* Amdahl */
+#define EM_MIPS_RS4_BE	10		/* MIPS R4000 big-endian */
+#define EM_RS6000	11		/* RS6000 */
+
+#define EM_PARISC	15		/* HPPA */
+#define EM_nCUBE	16		/* nCUBE */
+#define EM_VPP500	17		/* Fujitsu VPP500 */
+#define EM_SPARC32PLUS	18		/* Sun's "v8plus" */
+#define EM_960		19		/* Intel 80960 */
+#define EM_PPC		20		/* PowerPC */
+
+#define EM_V800		36		/* NEC V800 series */
+#define EM_FR20		37		/* Fujitsu FR20 */
+#define EM_RH32		38		/* TRW RH32 */
+#define EM_MMA		39		/* Fujitsu MMA */
+#define EM_ARM		40		/* ARM */
+#define EM_FAKE_ALPHA	41		/* Digital Alpha */
+#define EM_SH		42		/* Hitachi SH */
+#define EM_SPARCV9	43		/* SPARC v9 64-bit */
+#define EM_TRICORE	44		/* Siemens Tricore */
+#define EM_ARC		45		/* Argonaut RISC Core */
+#define EM_H8_300	46		/* Hitachi H8/300 */
+#define EM_H8_300H	47		/* Hitachi H8/300H */
+#define EM_H8S		48		/* Hitachi H8S */
+#define EM_H8_500	49		/* Hitachi H8/500 */
+#define EM_IA_64	50		/* Intel Merced */
+#define EM_MIPS_X	51		/* Stanford MIPS-X */
+#define EM_COLDFIRE	52		/* Motorola Coldfire */
+#define EM_68HC12	53		/* Motorola M68HC12 */
+#define EM_NUM		54
+
+/* If it is necessary to assign new unofficial EM_* values, please
+   pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the
+   chances of collision with official or non-GNU unofficial values.  */
+
+#define EM_ALPHA	0x9026
+
+/* Legal values for e_version (version).  */
+
+#define EV_NONE		0		/* Invalid ELF version */
+#define EV_CURRENT	1		/* Current version */
+#define EV_NUM		2
+
+
+/* Program segment header.  */
+
+typedef struct
+{
+  Elf32_Word	p_type;			/* Segment type */
+  Elf32_Off	p_offset;		/* Segment file offset */
+  Elf32_Addr	p_vaddr;		/* Segment virtual address */
+  Elf32_Addr	p_paddr;		/* Segment physical address */
+  Elf32_Word	p_filesz;		/* Segment size in file */
+  Elf32_Word	p_memsz;		/* Segment size in memory */
+  Elf32_Word	p_flags;		/* Segment flags */
+  Elf32_Word	p_align;		/* Segment alignment */
+} Elf32_Phdr;
+
+typedef struct
+{
+  Elf64_Word	p_type;			/* Segment type */
+  Elf64_Word	p_flags;		/* Segment flags */
+  Elf64_Off	p_offset;		/* Segment file offset */
+  Elf64_Addr	p_vaddr;		/* Segment virtual address */
+  Elf64_Addr	p_paddr;		/* Segment physical address */
+  Elf64_Xword	p_filesz;		/* Segment size in file */
+  Elf64_Xword	p_memsz;		/* Segment size in memory */
+  Elf64_Xword	p_align;		/* Segment alignment */
+} Elf64_Phdr;
+
+/* Legal values for p_type (segment type).  */
+
+#define	PT_NULL		0		/* Program header table entry unused */
+#define PT_LOAD		1		/* Loadable program segment */
+#define PT_DYNAMIC	2		/* Dynamic linking information */
+#define PT_INTERP	3		/* Program interpreter */
+#define PT_NOTE		4		/* Auxiliary information */
+#define PT_SHLIB	5		/* Reserved */
+#define PT_PHDR		6		/* Entry for header table itself */
+#define	PT_NUM		7		/* Number of defined types.  */
+#define PT_LOOS		0x60000000	/* Start of OS-specific */
+#define PT_HIOS		0x6fffffff	/* End of OS-specific */
+#define PT_LOPROC	0x70000000	/* Start of processor-specific */
+#define PT_HIPROC	0x7fffffff	/* End of processor-specific */
+
+/* Legal values for p_flags (segment flags).  */
+
+#define PF_X		(1 << 0)	/* Segment is executable */
+#define PF_W		(1 << 1)	/* Segment is writable */
+#define PF_R		(1 << 2)	/* Segment is readable */
+#define PF_MASKPROC	0xf0000000	/* Processor-specific */
+
+
+/* Note section contents.  Each entry in the note section begins with
+   a header of a fixed form.  */
+
+typedef struct
+{
+  Elf32_Word n_namesz;			/* Length of the note's name.  */
+  Elf32_Word n_descsz;			/* Length of the note's descriptor.  */
+  Elf32_Word n_type;			/* Type of the note.  */
+} Elf32_Nhdr;
+
+typedef struct
+{
+  Elf64_Word n_namesz;			/* Length of the note's name.  */
+  Elf64_Word n_descsz;			/* Length of the note's descriptor.  */
+  Elf64_Word n_type;			/* Type of the note.  */
+} Elf64_Nhdr;
+
+/* Known names of notes.  */
+
+/* Solaris entries in the note section have this name.  */
+#define ELF_NOTE_SOLARIS	"SUNW Solaris"
+
+/* Note entries for GNU systems have this name.  */
+#define ELF_NOTE_GNU		"GNU"
+
+
+/* Defined types of notes for Solaris.  */
+
+/* Value of descriptor (one word) is desired pagesize for the binary.  */
+#define ELF_NOTE_PAGESIZE_HINT	1
+
+
+/* Defined note types for GNU systems.  */
+
+/* ABI information.  The descriptor consists of words:
+   word 0: OS descriptor
+   word 1: major version of the ABI
+   word 2: minor version of the ABI
+   word 3: subminor version of the ABI
+*/
+#define ELF_NOTE_ABI		1
+
+/* Known OSes.  These value can appear in word 0 of an ELF_NOTE_ABI
+   note section entry.  */
+#define ELF_NOTE_OS_LINUX	0
+#define ELF_NOTE_OS_GNU		1
+#define ELF_NOTE_OS_SOLARIS2	2
+
+
+/* Motorola 68k specific definitions.  */
+
+/* Intel 80386 specific definitions.  */
+
+/* SUN SPARC specific definitions.  */
+
+/* Values for Elf64_Ehdr.e_flags.  */
+
+#define EF_SPARCV9_MM		3
+#define EF_SPARCV9_TSO		0
+#define EF_SPARCV9_PSO		1
+#define EF_SPARCV9_RMO		2
+#define EF_SPARC_EXT_MASK	0xFFFF00
+#define EF_SPARC_SUN_US1	0x000200
+#define EF_SPARC_HAL_R1		0x000400
+
+/* MIPS R3000 specific definitions.  */
+
+/* Legal values for e_flags field of Elf32_Ehdr.  */
+
+#define EF_MIPS_NOREORDER   1		/* A .noreorder directive was used */
+#define EF_MIPS_PIC	    2		/* Contains PIC code */
+#define EF_MIPS_CPIC	    4		/* Uses PIC calling sequence */
+#define EF_MIPS_XGOT	    8
+#define EF_MIPS_64BIT_WHIRL 16
+#define EF_MIPS_ABI2	    32
+#define EF_MIPS_ABI_ON32    64
+#define EF_MIPS_ARCH	    0xf0000000	/* MIPS architecture level */
+
+/* Legal values for MIPS architecture level.  */
+
+#define EF_MIPS_ARCH_1	    0x00000000	/* -mips1 code.  */
+#define EF_MIPS_ARCH_2	    0x10000000	/* -mips2 code.  */
+#define EF_MIPS_ARCH_3	    0x20000000	/* -mips3 code.  */
+#define EF_MIPS_ARCH_4	    0x30000000	/* -mips4 code.  */
+#define EF_MIPS_ARCH_5	    0x40000000	/* -mips5 code.  */
+
+/* Legal values for p_type field of Elf32_Phdr.  */
+
+#define PT_MIPS_REGINFO	0x70000000	/* Register usage information */
+#define PT_MIPS_RTPROC  0x70000001	/* Runtime procedure table. */
+#define PT_MIPS_OPTIONS 0x70000002
+
+/* Special program header types.  */
+
+#define PF_MIPS_LOCAL	0x10000000
+
+
+/* HPPA specific definitions.  */
+
+/* Legal values for e_flags field of Elf32_Ehdr.  */
+
+#define EF_PARISC_TRAPNL	1	/* Trap nil pointer dereference.  */
+#define EF_PARISC_EXT		2	/* Program uses arch. extensions.  */
+#define EF_PARISC_ARCH		0xffff0000 /* Architecture version.  */
+/* Defined values are:
+				0x020b	PA-RISC 1.0 big-endian
+				0x0210	PA-RISC 1.1 big-endian
+				0x028b	PA-RISC 1.0 little-endian
+				0x0290	PA-RISC 1.1 little-endian
+*/
+
+
+/* Alpha specific definitions.  */
+
+/* Legal values for e_flags field of Elf64_Ehdr.  */
+
+#define EF_ALPHA_32BIT		1	/* All addresses must be < 2GB.  */
+#define EF_ALPHA_CANRELAX	2	/* Relocations for relaxing exist.  */
+
+
+/* PowerPC specific declarations */
+
+/* ARM specific declarations */
+
+/* Processor specific flags for the ELF header e_flags field.  */
+#define EF_ARM_RELEXEC     0x01
+#define EF_ARM_HASENTRY    0x02
+#define EF_ARM_INTERWORK   0x04
+#define EF_ARM_APCS_26     0x08
+#define EF_ARM_APCS_FLOAT  0x10
+#define EF_ARM_PIC         0x20
+#define EF_ALIGN8          0x40		/* 8-bit structure alignment is in use */
+#define EF_NEW_ABI         0x80
+#define EF_OLD_ABI         0x100
+
+/* ARM-specific program header flags */
+#define PF_ARM_SB          0x10000000   /* Segment contains the location
+					   addressed by the static base */
+
+#if ELF_CLASS == ELFCLASS32
+typedef Elf32_Ehdr Elf_ehdr;
+typedef Elf32_Phdr Elf_phdr;
+#endif
+
+#if ELF_CLASS == ELFCLASS64
+typedef Elf64_Ehdr Elf_ehdr;
+typedef Elf64_Phdr Elf_phdr;
+#endif
+
+extern int elf_check_arch(Elf_ehdr *ehdr);
+extern void jmp_to_elf_entry(void *entry, unsigned long buffer);
+struct stream;
+struct lb_memory;
+extern int elfload(struct stream *stream, struct lb_memory *mem,
+	unsigned char *header, unsigned long header_size);
+extern int elfboot(struct stream *stream, struct lb_memory *mem);
+
+#define FIRMWARE_TYPE "LinuxBIOS"
+#define BOOTLOADER "elfboot"
+#define BOOTLOADER_VERSION "1.2"
+
+#endif	/* elf.h */

util/baremetal/include/boot/elf_boot.h

@@ -0,0 +1,89 @@
+#ifndef ELF_BOOT_H 
+#define ELF_BOOT_H 
+
+#include <stdint.h>
+
+/* This defines the structure of a table of parameters useful for ELF
+ * bootable images.  These parameters are all passed and generated
+ * by the bootloader to the booted image.  For simplicity and
+ * consistency the Elf Note format is reused.
+ *
+ * All of the information must be Position Independent Data.
+ * That is it must be safe to relocate the whole ELF boot parameter
+ * block without changing the meaning or correctnes of the data.
+ * Additionally it must be safe to permute the order of the ELF notes
+ * to any possible permutation without changing the meaning or correctness
+ * of the data.
+ *
+ */
+
+#define ELF_HEAD_SIZE		(8*1024)
+#define ELF_BOOT_MAGIC		0x0E1FB007
+
+typedef uint16_t Elf_Half;
+typedef uint32_t Elf_Word;
+typedef uint64_t Elf_Xword;
+
+typedef struct
+{
+	Elf_Word b_signature; /* "0x0E1FB007" */
+	Elf_Word b_size;
+	Elf_Half b_checksum;
+	Elf_Half b_records;
+} Elf_Bhdr;
+
+typedef struct 
+{
+	Elf_Word n_namesz;		/* Length of the note's name.  */
+	Elf_Word n_descsz;		/* Length of the note's descriptor.  */
+	Elf_Word n_type;		/* Type of the note.  */
+} Elf_Nhdr;
+
+
+/* For standard notes n_namesz must be zero */
+/* All of the following standard note types provide a single null
+ * terminated string in the descriptor.
+ */
+#define EBN_FIRMWARE_TYPE	0x00000001
+/* On platforms that support multiple classes of firmware this field
+ * specifies the class of firmware you are loaded under.
+ */
+#define EBN_BOOTLOADER_NAME	0x00000002
+/* This specifies just the name of the bootloader for easy comparison */
+#define EBN_BOOTLOADER_VERSION	0x00000003
+/* This specifies the version of the bootlader */
+#define EBN_COMMAND_LINE	0x00000004
+/* This specifies a command line that can be set by user interaction,
+ * and is provided as a free form string to the loaded image.
+ */
+
+
+/* Standardized Elf image notes for booting... The name for all of these is ELFBoot */
+
+#define ELF_NOTE_BOOT		"ELFBoot"
+
+#define EIN_PROGRAM_NAME	0x00000001
+/* The program in this ELF file */
+#define EIN_PROGRAM_VERSION	0x00000002
+/* The version of the program in this ELF file */
+#define EIN_PROGRAM_CHECKSUM	0x00000003
+/* ip style checksum of the memory image. */
+
+
+/* Linux image notes for booting... The name for all of these is Linux */
+
+#define LINUX_NOTE_BOOT		"Linux"
+
+#define LIN_COMMAND_LINE	0x00000001
+/* The command line to pass to the loaded kernel. */
+#define LIN_ROOT_DEV		0x00000002
+/* The root dev to pass to the loaded kernel. */
+#define LIN_RAMDISK_FLAGS	0x00000003
+/* Various old ramdisk flags */
+#define LIN_INITRD_START	0x00000004
+/* Start of the ramdisk in bytes */
+#define LIN_INITRD_SIZE		0x00000005
+/* Size of the ramdisk in bytes */
+
+
+#endif /* ELF_BOOT_H */

util/baremetal/include/boot/linuxbios_table.h

@@ -0,0 +1,33 @@
+#ifndef LINUXBIOS_TABLE_H
+#define LINUXBIOS_TABLE_H
+
+#include <boot/linuxbios_tables.h>
+
+struct mem_range;
+
+/* This file holds function prototypes for building the linuxbios table. */
+unsigned long write_linuxbios_table(
+	unsigned long *processor_map, 
+	struct mem_range *ram,
+	unsigned long low_table_start, unsigned long low_table_end,
+	unsigned long rom_table_start, unsigned long rom_table_end);
+
+struct lb_header *lb_table_init(unsigned long addr);
+struct lb_record *lb_first_record(struct lb_header *header);
+struct lb_record *lb_last_record(struct lb_header *header);
+struct lb_record *lb_next_record(struct lb_record *rec);
+struct lb_record *lb_new_record(struct lb_header *header);
+struct lb_memory *lb_memory(struct lb_header *header);
+void lb_memory_range(struct lb_memory *mem, 
+	uint32_t type, unsigned long startk, unsigned long sizek);
+struct lb_mainboard *lb_mainboard(struct lb_header *header);
+unsigned long lb_table_fini(struct lb_header *header);
+
+/* Routines to extract part so the linuxBIOS table or information
+ * from the linuxBIOS table.
+ */
+struct lb_memory *get_lb_mem(void);
+
+extern struct cmos_option_table option_table;
+
+#endif /* LINUXBIOS_TABLE_H */

util/baremetal/include/boot/linuxbios_tables.h

@@ -0,0 +1,183 @@
+#ifndef LINUXBIOS_TABLES_H
+#define LINUXBIOS_TABLES_H
+
+#include <stdint.h>
+
+/* The linuxbios table information is for conveying information
+ * from the firmware to the loaded OS image.  Primarily this
+ * is expected to be information that cannot be discovered by
+ * other means, such as quering the hardware directly.
+ *
+ * All of the information should be Position Independent Data.  
+ * That is it should be safe to relocated any of the information
+ * without it's meaning/correctnes changing.   For table that
+ * can reasonably be used on multiple architectures the data
+ * size should be fixed.  This should ease the transition between
+ * 32 bit and 64 bit architectures etc.
+ *
+ * The completeness test for the information in this table is:
+ * - Can all of the hardware be detected?
+ * - Are the per motherboard constants available?
+ * - Is there enough to allow a kernel to run that was written before
+ *   a particular motherboard is constructed? (Assuming the kernel
+ *   has drivers for all of the hardware but it does not have
+ *   assumptions on how the hardware is connected together).
+ *
+ * With this test it should be straight forward to determine if a
+ * table entry is required or not.  This should remove much of the
+ * long term compatibility burden as table entries which are
+ * irrelevant or have been replaced by better alternatives may be
+ * dropped.  Of course it is polite and expidite to include extra
+ * table entries and be backwards compatible, but it is not required.
+ */
+
+
+struct lb_header
+{
+	uint8_t  signature[4]; /* LBIO */
+	uint32_t header_bytes;
+	uint32_t header_checksum;
+	uint32_t table_bytes;
+	uint32_t table_checksum;
+	uint32_t table_entries;
+};
+
+/* Every entry in the boot enviroment list will correspond to a boot
+ * info record.  Encoding both type and size.  The type is obviously
+ * so you can tell what it is.  The size allows you to skip that
+ * boot enviroment record if you don't know what it easy.  This allows
+ * forward compatibility with records not yet defined.
+ */
+struct lb_record {
+	uint32_t tag;		/* tag ID */
+	uint32_t size;		/* size of record (in bytes) */
+};
+
+#define LB_TAG_UNUSED	0x0000
+
+#define LB_TAG_MEMORY	0x0001
+
+struct lb_memory_range {
+	uint64_t start;
+	uint64_t size;
+	uint32_t type;
+#define LB_MEM_RAM       1	/* Memory anyone can use */
+#define LB_MEM_RESERVED  2	/* Don't use this memory region */
+#define LB_MEM_TABLE     16	/* Ram configuration tables are kept in */
+	
+};
+
+struct lb_memory {
+	uint32_t tag;
+	uint32_t size;
+	struct lb_memory_range map[0];
+};
+
+#define LB_TAG_HWRPB	0x0002
+struct lb_hwrpb {
+	uint32_t tag;
+	uint32_t size;
+	uint64_t hwrpb;
+};
+
+#define LB_TAG_MAINBOARD	0x0003
+struct lb_mainboard {
+	uint32_t tag;
+	uint32_t size;
+	uint8_t  vendor_idx;
+	uint8_t  part_number_idx;
+	uint8_t  strings[0];
+};
+
+#define LB_TAG_VERSION		0x0004
+#define LB_TAG_EXTRA_VERSION	0x0005
+#define LB_TAG_BUILD		0x0006
+#define LB_TAG_COMPILE_TIME	0x0007
+#define LB_TAG_COMPILE_BY	0x0008
+#define LB_TAG_COMPILE_HOST	0x0009
+#define LB_TAG_COMPILE_DOMAIN	0x000a
+#define LB_TAG_COMPILER		0x000b
+#define LB_TAG_LINKER		0x000c
+#define LB_TAG_ASSEMBLER	0x000d
+struct lb_string {
+	uint32_t tag;
+	uint32_t size;
+	uint8_t  string[0];
+};
+
+/* The following structures are for the cmos definitions table */
+#define LB_TAG_CMOS_OPTION_TABLE 200
+/* cmos header record */
+struct cmos_option_table {
+	uint32_t tag;               /* CMOS definitions table type */
+	uint32_t size;               /* size of the entire table */
+	uint32_t header_length;      /* length of header */
+};
+
+/* cmos entry record
+        This record is variable length.  The name field may be
+        shorter than CMOS_MAX_NAME_LENGTH. The entry may start
+        anywhere in the byte, but can not span bytes unless it
+        starts at the beginning of the byte and the length is
+        fills complete bytes.
+*/
+#define LB_TAG_OPTION 201
+struct cmos_entries {
+	uint32_t tag;                /* entry type */
+	uint32_t size;               /* length of this record */
+	uint32_t bit;                /* starting bit from start of image */
+	uint32_t length;             /* length of field in bits */
+	uint32_t config;             /* e=enumeration, h=hex, r=reserved */
+	uint32_t config_id;          /* a number linking to an enumeration record */
+#define CMOS_MAX_NAME_LENGTH 32
+	uint8_t name[CMOS_MAX_NAME_LENGTH]; /* name of entry in ascii, 
+					       variable length int aligned */
+};
+
+
+/* cmos enumerations record
+        This record is variable length.  The text field may be
+        shorter than CMOS_MAX_TEXT_LENGTH.
+*/
+#define LB_TAG_OPTION_ENUM 202
+struct cmos_enums {
+	uint32_t tag;		     /* enumeration type */
+	uint32_t size; 		     /* length of this record */
+	uint32_t config_id;          /* a number identifying the config id */
+	uint32_t value;              /* the value associated with the text */
+#define CMOS_MAX_TEXT_LENGTH 32
+	uint8_t text[CMOS_MAX_TEXT_LENGTH]; /* enum description in ascii, 
+						variable length int aligned */
+};
+
+/* cmos defaults record
+        This record contains default settings for the cmos ram.
+*/
+#define LB_TAG_OPTION_DEFAULTS 203
+struct cmos_defaults {
+	uint32_t tag;                /* default type */
+	uint32_t size;               /* length of this record */
+	uint32_t name_length;        /* length of the following name field */
+	uint8_t name[CMOS_MAX_NAME_LENGTH]; /* name identifying the default */
+#define CMOS_IMAGE_BUFFER_SIZE 128
+	uint8_t default_set[CMOS_IMAGE_BUFFER_SIZE]; /* default settings */
+};
+
+#define LB_TAG_OPTION_CHECKSUM 204
+struct	cmos_checksum {
+	uint32_t tag;
+	uint32_t size;
+	/* In practice everything is byte aligned, but things are measured
+	 * in bits to be consistent.
+	 */
+	uint32_t range_start;	/* First bit that is checksummed (byte aligned) */
+	uint32_t range_end;	/* Last bit that is checksummed (byte aligned) */
+	uint32_t location;	/* First bit of the checksum (byte aligned) */
+	uint32_t type;		/* Checksum algorithm that is used */
+#define CHECKSUM_NONE	0
+#define CHECKSUM_PCBIOS	1
+};
+
+
+
+#endif /* LINUXBIOS_TABLES_H */

util/baremetal/include/config.h

@@ -0,0 +1,3 @@
+#define SERIAL_CONSOLE
+#define PYRO_SERIAL
+//#define VIDEO_CONSOLE

util/baremetal/include/i386/arch/io.h

@@ -0,0 +1,197 @@
+#ifndef _ASM_IO_H
+#define _ASM_IO_H
+
+/*
+ * This file contains the definitions for the x86 IO instructions
+ * inb/inw/inl/outb/outw/outl and the "string versions" of the same
+ * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
+ * versions of the single-IO instructions (inb_p/inw_p/..).
+ *
+ * This file is not meant to be obfuscating: it's just complicated
+ * to (a) handle it all in a way that makes gcc able to optimize it
+ * as well as possible and (b) trying to avoid writing the same thing
+ * over and over again with slight variations and possibly making a
+ * mistake somewhere.
+ */
+
+/*
+ * Thanks to James van Artsdalen for a better timing-fix than
+ * the two short jumps: using outb's to a nonexistent port seems
+ * to guarantee better timings even on fast machines.
+ *
+ * On the other hand, I'd like to be sure of a non-existent port:
+ * I feel a bit unsafe about using 0x80 (should be safe, though)
+ *
+ *		Linus
+ */
+
+ /*
+  *  Bit simplified and optimized by Jan Hubicka
+  *  Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999.
+  */
+
+#ifdef SLOW_IO_BY_JUMPING
+#define __SLOW_DOWN_IO "\njmp 1f\n1:\tjmp 1f\n1:"
+#else
+#define __SLOW_DOWN_IO "\noutb %%al,$0x80"
+#endif
+
+#ifdef REALLY_SLOW_IO
+#define __FULL_SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO
+#else
+#define __FULL_SLOW_DOWN_IO __SLOW_DOWN_IO
+#endif
+
+/*
+ * Talk about misusing macros..
+ */
+#define __OUT1(s,x) \
+extern inline void out##s(unsigned x value, unsigned short port) {
+
+#define __OUT2(s,s1,s2) \
+__asm__ __volatile__ ("out" #s " %" s1 "0,%" s2 "1"
+
+#define __OUT(s,s1,x) \
+__OUT1(s,x) __OUT2(s,s1,"w") : : "a" (value), "Nd" (port)); } \
+__OUT1(s##_p,x) __OUT2(s,s1,"w") __FULL_SLOW_DOWN_IO : : "a" (value), "Nd" (port));} \
+
+#define __IN1(s) \
+extern inline RETURN_TYPE in##s(unsigned short port) { RETURN_TYPE _v;
+
+#define __IN2(s,s1,s2) \
+__asm__ __volatile__ ("in" #s " %" s2 "1,%" s1 "0"
+
+#define __IN(s,s1,i...) \
+__IN1(s) __IN2(s,s1,"w") : "=a" (_v) : "Nd" (port) ,##i ); return _v; } \
+__IN1(s##_p) __IN2(s,s1,"w") __FULL_SLOW_DOWN_IO : "=a" (_v) : "Nd" (port) ,##i ); return _v; } \
+
+#define __INS(s) \
+extern inline void ins##s(unsigned short port, void * addr, unsigned long count) \
+{ __asm__ __volatile__ ("cld ; rep ; ins" #s \
+: "=D" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); }
+
+#define __OUTS(s) \
+extern inline void outs##s(unsigned short port, const void * addr, unsigned long count) \
+{ __asm__ __volatile__ ("cld ; rep ; outs" #s \
+: "=S" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); }
+
+#define RETURN_TYPE unsigned char
+__IN(b,"")
+#undef RETURN_TYPE
+#define RETURN_TYPE unsigned short
+__IN(w,"")
+#undef RETURN_TYPE
+#define RETURN_TYPE unsigned int
+__IN(l,"")
+#undef RETURN_TYPE
+
+__OUT(b,"b",char)
+__OUT(w,"w",short)
+__OUT(l,,int)
+
+__INS(b)
+__INS(w)
+__INS(l)
+
+__OUTS(b)
+__OUTS(w)
+__OUTS(l)
+
+#ifdef NONONONONO
+
+#include <linux/vmalloc.h>
+#include <asm/page.h>
+
+#define __io_virt(x)		((void *)(PAGE_OFFSET | (unsigned long)(x)))
+#define __io_phys(x)		((unsigned long)(x) & ~PAGE_OFFSET)
+/*
+ * Change virtual addresses to physical addresses and vv.
+ * These are pretty trivial
+ */
+extern inline unsigned long virt_to_phys(volatile void * address)
+{
+#ifdef CONFIG_BIGMEM
+	return __pa(address);
+#else
+	return __io_phys(address);
+#endif
+}
+
+extern inline void * phys_to_virt(unsigned long address)
+{
+#ifdef CONFIG_BIGMEM
+	return __va(address);
+#else
+	return __io_virt(address);
+#endif
+}
+
+extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
+
+extern inline void * ioremap (unsigned long offset, unsigned long size)
+{
+	return __ioremap(offset, size, 0);
+}
+
+/*
+ * This one maps high address device memory and turns off caching for that area.
+ * it's useful if some control registers are in such an area and write combining
+ * or read caching is not desirable:
+ */
+extern inline void * ioremap_nocache (unsigned long offset, unsigned long size)
+{
+        return __ioremap(offset, size, _PAGE_PCD);
+}
+
+extern void iounmap(void *addr);
+
+/*
+ * IO bus memory addresses are also 1:1 with the physical address
+ */
+#define virt_to_bus virt_to_phys
+#define bus_to_virt phys_to_virt
+
+/*
+ * readX/writeX() are used to access memory mapped devices. On some
+ * architectures the memory mapped IO stuff needs to be accessed
+ * differently. On the x86 architecture, we just read/write the
+ * memory location directly.
+ */
+
+#define readb(addr) (*(volatile unsigned char *) __io_virt(addr))
+#define readw(addr) (*(volatile unsigned short *) __io_virt(addr))
+#define readl(addr) (*(volatile unsigned int *) __io_virt(addr))
+
+#define writeb(b,addr) (*(volatile unsigned char *) __io_virt(addr) = (b))
+#define writew(b,addr) (*(volatile unsigned short *) __io_virt(addr) = (b))
+#define writel(b,addr) (*(volatile unsigned int *) __io_virt(addr) = (b))
+
+#define memset_io(a,b,c)	__memset_generic(__io_virt(a),(b),(c))
+#define memcpy_fromio(a,b,c)	__memcpy((a),__io_virt(b),(c))
+#define memcpy_toio(a,b,c)	__memcpy(__io_virt(a),(b),(c))
+
+/*
+ * Again, i386 does not require mem IO specific function.
+ */
+
+#define eth_io_copy_and_sum(a,b,c,d)	eth_copy_and_sum((a),__io_virt(b),(c),(d))
+
+static inline int check_signature(unsigned long io_addr,
+	const unsigned char *signature, int length)
+{
+	int retval = 0;
+	do {
+		if (readb(io_addr) != *signature)
+			goto out;
+		io_addr++;
+		signature++;
+		length--;
+	} while (length);
+	retval = 1;
+out:
+	return retval;
+}
+
+#endif /* __KERNEL__ */
+
+#endif

util/baremetal/include/i386/smp/spinlock.h

@@ -0,0 +1,57 @@
+#ifndef ARCH_SMP_SPINLOCK_H
+#define ARCH_SMP_SPINLOCK_H
+
+/*
+ * Your basic SMP spinlocks, allowing only a single CPU anywhere
+ */
+
+typedef struct {
+	volatile unsigned int lock;
+} spinlock_t;
+
+
+#define SPIN_LOCK_UNLOCKED (spinlock_t) { 1 }
+
+/*
+ * Simple spin lock operations.  There are two variants, one clears IRQ's
+ * on the local processor, one does not.
+ *
+ * We make no fairness assumptions. They have a cost.
+ */
+#define barrier() __asm__ __volatile__("": : :"memory")
+#define spin_is_locked(x)	(*(volatile char *)(&(x)->lock) <= 0)
+#define spin_unlock_wait(x)	do { barrier(); } while(spin_is_locked(x))
+
+#define spin_lock_string \
+	"\n1:\t" \
+	"lock ; decb %0\n\t" \
+	"js 2f\n" \
+	".section .text.lock,\"ax\"\n" \
+	"2:\t" \
+	"cmpb $0,%0\n\t" \
+	"rep;nop\n\t" \
+	"jle 2b\n\t" \
+	"jmp 1b\n" \
+	".previous"
+
+/*
+ * This works. Despite all the confusion.
+ */
+#define spin_unlock_string \
+	"movb $1,%0"
+
+static inline void spin_lock(spinlock_t *lock)
+{
+	__asm__ __volatile__(
+		spin_lock_string
+		:"=m" (lock->lock) : : "memory");
+}
+
+static inline void spin_unlock(spinlock_t *lock)
+{
+	__asm__ __volatile__(
+		spin_unlock_string
+		:"=m" (lock->lock) : : "memory");
+}
+
+#endif /* ARCH_SMP_SPINLOCK_H */

util/baremetal/include/ip_checksum.h

@@ -0,0 +1,7 @@
+#ifndef IP_CHECKSUM_H
+#define IP_CHECKSUM_H
+
+unsigned long compute_ip_checksum(void *addr, unsigned long length);
+unsigned long add_ip_checksums(unsigned long offset, unsigned long sum, unsigned long new);
+
+#endif /* IP_CHECKSUM_H */

util/baremetal/include/loglevel.h

@@ -0,0 +1,30 @@
+#ifndef LOGLEVEL_H
+#define LOGLEVEL_H
+
+/* Safe for inclusion in assembly */
+
+#ifndef MAXIMUM_CONSOLE_LOGLEVEL
+#define MAXIMUM_CONSOLE_LOGLEVEL 8
+#endif
+
+#ifndef DEFAULT_CONSOLE_LOGLEVEL
+#define DEFAULT_CONSOLE_LOGLEVEL 8 /* anything MORE serious than BIOS_SPEW */
+#endif
+
+#if (DEFAULT_CONSOLE_LOGLEVEL <= MAXIMUM_CONSOLE_LOGLEVEL)
+#define ASM_CONSOLE_LOGLEVEL DEFAULT_CONSOLE_LOGLEVEL
+#else
+#define ASM_CONSOLE_LOGLEVEL MAXIMUM_CONSOLE_LOGLEVEL
+#endif
+
+#define BIOS_EMERG      0   /* system is unusable                   */
+#define BIOS_ALERT      1   /* action must be taken immediately     */
+#define BIOS_CRIT       2   /* critical conditions                  */
+#define BIOS_ERR        3   /* error conditions                     */
+#define BIOS_WARNING    4   /* warning conditions                   */
+#define BIOS_NOTICE     5   /* normal but significant condition     */
+#define BIOS_INFO       6   /* informational                        */
+#define BIOS_DEBUG      7   /* debug-level messages                 */
+#define BIOS_SPEW       8   /* Way too many details                 */
+
+#endif /* LOGLEVEL_H */

util/baremetal/include/part/fallback_boot.h

@@ -0,0 +1,16 @@
+#ifndef PART_FALLBACK_BOOT_H
+#define PART_FALLBACK_BOOT_H
+
+#if !defined(ASSEMBLY)
+
+#if HAVE_FALLBACK_BOOT
+void boot_successful(void);
+#else
+#define boot_successful()
+#endif
+
+#endif /* ASSEMBLY */
+
+#define RTC_BOOT_BYTE	48
+
+#endif /* PART_FALLBACK_BOOT_H */

util/baremetal/include/part/floppy.h

@@ -0,0 +1,10 @@
+#ifndef PART_FLOPPY_H
+#define PART_FLOPPY_H
+
+#ifdef MUST_ENABLE_FLOPPY
+void enable_floppy(void);
+#else
+#  define enable_floppy() do {} while(0)
+#endif
+
+#endif /* PART_FLOPPY_H */

util/baremetal/include/part/framebuffer.h

@@ -0,0 +1,10 @@
+#ifndef PART_FRAMEBUFFER_H
+#define PART_FRAMEBUFFER_H
+
+#ifdef HAVE_FRAMEBUFFER
+void framebuffer_on(void);
+#else
+#  define framebuffer_on() do {} while(0)
+#endif /* HAVE_FRAMEBUFFER */
+
+#endif /* PART_FRAMEBUFFER_H */

util/baremetal/include/part/hard_reset.h

@@ -0,0 +1,11 @@
+#ifndef PART_HARD_RESET_H
+#define PART_HARD_RESET_H
+
+#ifdef HAVE_HARD_RESET
+void hard_reset(void);
+#else
+#define hard_reset() do {} while(0)
+#endif
+
+
+#endif

util/baremetal/include/part/keyboard.h

@@ -0,0 +1,10 @@
+#ifndef PART_KEYBOARD_H
+#define KEYBOARD_H
+
+#ifndef NO_KEYBOARD
+void keyboard_on(void);
+#else
+#  define keyboard_on() do {} while(0)
+#endif
+
+#endif /* PART_KEYBOARD_H */

util/baremetal/include/part/mainboard.h

@@ -0,0 +1,12 @@
+#ifndef PART_MAINBOARD_H
+#define PART_MAINBOARD_H
+
+void mainboard_fixup(void);
+
+#ifdef FINAL_MAINBOARD_FIXUP
+void final_mainboard_fixup(void);
+#else
+#  define final_mainboard_fixup() do {} while(0)
+#endif /* FINAL_MAINBOARD_FIXUP */
+
+#endif /* PART_MAINBOARD_H */

util/baremetal/include/part/nvram.h

@@ -0,0 +1,7 @@
+#ifndef PART_NVRAM_H
+#define PART_NVRAM_H
+
+/* Turn on full access to the flash chip */
+void nvram_on(void);
+
+#endif /* PART_NVRAM_H */

util/baremetal/include/part/sizeram.h

@@ -0,0 +1,7 @@
+#ifndef PART_SIZERAM_H
+#define PART_SIZERAM_H
+
+struct mem_rang;
+struct mem_range *sizeram(void);
+
+#endif /* PART_SIZERAM_H */

util/baremetal/include/pc80/ide.h

@@ -0,0 +1,144 @@
+/*
+ *   UBL, The Universal Talkware Boot Loader 
+ *    Copyright (C) 2000 Universal Talkware Inc.
+ *
+ *   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, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ * Note: Parts of this code grew out of the Openbios effort that was 
+ *       abandoned. Without the info that we were able to learn from
+ *       OpenBios this program would have never worked. We are forever
+ *       grateful for those who came before us.
+ *
+ *   This code can be retrieved in a machine/human readable form at:
+ *
+ *   		http://www.talkware.net/GPL/UBL
+ *  
+ *   Anyone making changes to this code please send them to us so we 
+ *   can include them in the standard release.
+ *
+ *  $Id$
+ *
+ */
+#if !defined(IDE_H_INCLUDE)
+#define IDE_H_INCLUDE
+
+#define IDE_WRITE
+
+#include <types.h>
+
+typedef struct {
+    unsigned short controller_port;
+    unsigned short num_heads;
+    unsigned short num_cylinders;
+    unsigned short num_sectors_per_track;
+    unsigned long num_sectors; /* total */
+    unsigned char address_mode;	/* am i lba (0x40) or chs (0x00) */
+    unsigned char model_number[40];
+    unsigned char drive_exists;
+} harddisk_info_t;
+
+#define NUM_HD (2)
+
+extern harddisk_info_t harddisk_info[NUM_HD];
+
+extern int ide_init(void);
+extern int ide_read_sector(int driveno, void * buf, unsigned int sector,
+			   int byte_offset, int n_bytes);
+#ifdef IDE_WRITE
+extern int ide_write_sector(int driveno, void * buf, unsigned int sector);
+#endif
+
+extern int ide_read_data(unsigned base, void * buf, size_t size);
+extern int ide_write_data(unsigned base, void * buf, size_t size);
+extern int ide_shutdown(void);
+
+
+
+#if 1
+#define PORT80(x) (outb_p(x, 0x80))
+#else
+#define PORT80(x) (0)
+#endif
+
+#define IDE_SECTOR_SIZE 0x200
+
+#define IDE_BASE1             (0x1F0u) /* primary controller */
+#define IDE_BASE2             (0x170u) /* secondary */
+#define IDE_BASE3             (0x0F0u) /* third */
+#define IDE_BASE4             (0x070u) /* fourth */
+
+#define IDE_REG_EXTENDED_OFFSET   (0x200u)
+
+#define IDE_REG_DATA(base)          ((base) + 0u) /* word register */
+#define IDE_REG_ERROR(base)         ((base) + 1u)
+#define IDE_REG_PRECOMP(base)       ((base) + 1u)
+#define IDE_REG_SECTOR_COUNT(base)  ((base) + 2u)
+#define IDE_REG_SECTOR_NUMBER(base) ((base) + 3u)
+#define IDE_REG_CYLINDER_LSB(base)  ((base) + 4u)
+#define IDE_REG_CYLINDER_MSB(base)  ((base) + 5u)
+#define IDE_REG_DRIVEHEAD(base)     ((base) + 6u)
+#define IDE_REG_STATUS(base)        ((base) + 7u)
+#define IDE_REG_COMMAND(base)       ((base) + 7u)
+#define IDE_REG_ALTSTATUS(base)     ((base) + IDE_REG_EXTENDED_OFFSET + 6u)
+#define IDE_REG_CONTROL(base)       ((base) + IDE_REG_EXTENDED_OFFSET + 6u)
+#define IDE_REG_ADDRESS(base)       ((base) + IDE_REG_EXTENDED_OFFSET + 7u)
+
+typedef struct {
+    unsigned char precomp;
+    unsigned char sector_count;
+    unsigned char sector_number;
+    unsigned short cylinder;
+    unsigned char drivehead;
+#       define IDE_DH_DEFAULT (0xA0)
+#       define IDE_DH_HEAD(x) ((x) & 0x0F)
+#       define IDE_DH_MASTER  (0x00)
+#       define IDE_DH_SLAVE   (0x10)
+#       define IDE_DH_DRIVE(x) ((((x) & 1) != 0)?IDE_DH_SLAVE:IDE_DH_MASTER)
+#       define IDE_DH_LBA     (0x40)
+#       define IDE_DH_CHS     (0x00)
+
+} ide_cmd_param_t;
+
+#define IDE_DEFAULT_COMMAND { 0xFFu, 0x01, 0x00, 0x0000, IDE_DH_DEFAULT }
+
+typedef enum {
+    IDE_CMD_NOOP = 0,
+    IDE_CMD_RECALIBRATE = 0x10,
+    IDE_CMD_READ_MULTI_RETRY = 0x20,
+    IDE_CMD_WRITE_MULTI_RETRY = 0x30,
+    IDE_CMD_READ_MULTI = IDE_CMD_READ_MULTI_RETRY,
+    IDE_CMD_READ_MULTI_NORETRY = 0x21,
+
+    IDE_CMD_DRIVE_DIAG = 0x90,
+    IDE_CMD_SET_PARAMS = 0x91,
+    IDE_CMD_STANDBY_IMMEDIATE = 0x94, /* 2 byte command- also send 
+                                         IDE_CMD_STANDBY_IMMEDIATE2 */
+    IDE_CMD_SET_MULTIMODE = 0xC6,
+    IDE_CMD_STANDBY_IMMEDIATE2 = 0xE0,
+    IDE_CMD_GET_INFO = 0xEC
+} ide_command_t;
+
+
+#endif /* IDE_H_INCLUDE */
+
+
+
+
+
+
+
+
+
+

util/baremetal/include/pc80/mc146818rtc.h

@@ -0,0 +1,104 @@
+#ifndef PC80_MC146818RTC_H
+#define PC80_MC146818RTC_H
+
+#ifndef RTC_BASE_PORT
+#define RTC_BASE_PORT 0x70
+#endif
+
+#define RTC_PORT(x)	(RTC_BASE_PORT + (x))
+
+/* On PCs, the checksum is built only over bytes 16..45 */
+#define PC_CKS_RANGE_START	16
+#define PC_CKS_RANGE_END	45
+#define PC_CKS_LOC		46
+
+
+/* control registers - Moto names
+ */
+#define RTC_REG_A		10
+#define RTC_REG_B		11
+#define RTC_REG_C		12
+#define RTC_REG_D		13
+
+
+/**********************************************************************
+ * register details
+ **********************************************************************/
+#define RTC_FREQ_SELECT	RTC_REG_A
+
+/* update-in-progress  - set to "1" 244 microsecs before RTC goes off the bus,
+ * reset after update (may take 1.984ms @ 32768Hz RefClock) is complete,
+ * totalling to a max high interval of 2.228 ms.
+ */
+# define RTC_UIP		0x80
+# define RTC_DIV_CTL		0x70
+   /* divider control: refclock values 4.194 / 1.049 MHz / 32.768 kHz */
+#  define RTC_REF_CLCK_4MHZ	0x00
+#  define RTC_REF_CLCK_1MHZ	0x10
+#  define RTC_REF_CLCK_32KHZ	0x20
+   /* 2 values for divider stage reset, others for "testing purposes only" */
+#  define RTC_DIV_RESET1	0x60
+#  define RTC_DIV_RESET2	0x70
+  /* Periodic intr. / Square wave rate select. 0=none, 1=32.8kHz,... 15=2Hz */
+# define RTC_RATE_SELECT 	0x0F
+#  define RTC_RATE_NONE		0x00
+#  define RTC_RATE_32786HZ	0x01
+#  define RTC_RATE_16384HZ	0x02
+#  define RTC_RATE_8192HZ	0x03
+#  define RTC_RATE_4096HZ	0x04
+#  define RTC_RATE_2048HZ	0x05
+#  define RTC_RATE_1024HZ	0x06
+#  define RTC_RATE_512HZ	0x07
+#  define RTC_RATE_256HZ	0x08
+#  define RTC_RATE_128HZ	0x09
+#  define RTC_RATE_64HZ		0x0a
+#  define RTC_RATE_32HZ		0x0b
+#  define RTC_RATE_16HZ		0x0c
+#  define RTC_RATE_8HZ		0x0d
+#  define RTC_RATE_4HZ		0x0e
+#  define RTC_RATE_2HZ		0x0f
+
+/**********************************************************************/
+#define RTC_CONTROL	RTC_REG_B
+# define RTC_SET 0x80		/* disable updates for clock setting */
+# define RTC_PIE 0x40		/* periodic interrupt enable */
+# define RTC_AIE 0x20		/* alarm interrupt enable */
+# define RTC_UIE 0x10		/* update-finished interrupt enable */
+# define RTC_SQWE 0x08		/* enable square-wave output */
+# define RTC_DM_BINARY 0x04	/* all time/date values are BCD if clear */
+# define RTC_24H 0x02		/* 24 hour mode - else hours bit 7 means pm */
+# define RTC_DST_EN 0x01	/* auto switch DST - works f. USA only */
+
+/**********************************************************************/
+#define RTC_INTR_FLAGS	RTC_REG_C
+/* caution - cleared by read */
+# define RTC_IRQF 0x80		/* any of the following 3 is active */
+# define RTC_PF 0x40
+# define RTC_AF 0x20
+# define RTC_UF 0x10
+
+/**********************************************************************/
+#define RTC_VALID	RTC_REG_D
+# define RTC_VRT 0x80		/* valid RAM and time */
+/**********************************************************************/
+
+
+/* On PCs, the checksum is built only over bytes 16..45 */
+#define PC_CKS_RANGE_START	16
+#define PC_CKS_RANGE_END	45
+#define PC_CKS_LOC		46
+
+#define LB_CKS_RANGE_START	49
+#define LB_CKS_RANGE_END	125
+#define LB_CKS_LOC		126
+
+#if !defined(ASSEMBLY)
+void rtc_init(int invalid);
+#if USE_OPTION_TABLE == 1
+int get_option(void *dest, char *name);
+#else
+#define get_option(dest, name) (-2)
+#endif
+#endif
+
+#endif /*  PC80_MC146818RTC_H */

util/baremetal/include/printk.h

@@ -0,0 +1,57 @@
+#ifndef PRINTK_H
+#define PRINTK_H
+
+#include <loglevel.h>
+
+extern int console_loglevel;
+int do_printk(int msg_level, const char *fmt, ...);
+
+#define printk_emerg(fmt, arg...)   do_printk(BIOS_EMERG   ,fmt, ##arg)
+#define printk_alert(fmt, arg...)   do_printk(BIOS_ALERT   ,fmt, ##arg)
+#define printk_crit(fmt, arg...)    do_printk(BIOS_CRIT    ,fmt, ##arg)
+#define printk_err(fmt, arg...)     do_printk(BIOS_ERR     ,fmt, ##arg)
+#define printk_warning(fmt, arg...) do_printk(BIOS_WARNING ,fmt, ##arg)
+#define printk_notice(fmt, arg...)  do_printk(BIOS_NOTICE  ,fmt, ##arg)
+#define printk_info(fmt, arg...)    do_printk(BIOS_INFO    ,fmt, ##arg)
+#define printk_debug(fmt, arg...)   do_printk(BIOS_DEBUG   ,fmt, ##arg)
+#define printk_spew(fmt, arg...)    do_printk(BIOS_SPEW    ,fmt, ##arg)
+#define printk(fmt, arg...)   do_printk(BIOS_EMERG   ,fmt, ##arg)
+
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_EMERG
+#undef  printk_emerg
+#define printk_emerg(fmt, arg...)   do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_ALERT
+#undef  printk_alert
+#define printk_alart(fmt, arg...)   do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_CRIT
+#undef  printk_crit
+#define printk_crit(fmt, arg...)    do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_ERR
+#undef  printk_err
+#define printk_err(fmt, arg...)     do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_WARNING
+#undef  printk_warning
+#define printk_warning(fmt, arg...) do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_NOTICE
+#undef  printk_notice
+#define printk_notice(fmt, arg...)  do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_INFO
+#undef  printk_info
+#define printk_info(fmt, arg...)    do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_DEBUG
+#undef  printk_debug
+#define printk_debug(fmt, arg...)   do {} while(0)
+#endif
+#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_SPEW
+#undef  printk_spew
+#define printk_spew(fmt, arg...)    do {} while(0)
+#endif
+
+#endif

util/baremetal/include/rom/fill_inbuf.h

@@ -0,0 +1,23 @@
+#ifndef ROM_FILL_INBUF_H
+#define ROM_FILL_INBUF_H
+
+extern unsigned char *inbuf;	/* input buffer */
+extern unsigned int insize;	/* valid bytes in inbuf */
+extern unsigned int inptr;	/* index of next byte to be processed in inbuf */
+
+extern int fill_inbuf(void);
+
+#ifndef DEBUG_GET_BYTE
+#define get_byte()  (inptr < insize ? inbuf[inptr++] : fill_inbuf())
+#else
+#include <printk.h>
+static unsigned char get_byte() {
+  static int byteno = 0;
+  unsigned char c = (inptr < insize ? inbuf[inptr++] : fill_inbuf());
+  printk_debug("get_byte 0x%x 0x%x\n", byteno++, c);
+  return c;
+}
+#endif
+
+
+#endif /* ROM_FILL_INBUF_H */

util/baremetal/include/rom/read_bytes.h

@@ -0,0 +1,31 @@
+#ifndef ROM_READ_BYTES_H
+#define ROM_READ_BYTES_H
+
+#include <stdint.h>
+
+typedef long byte_offset_t;
+
+typedef struct tag_t {
+	char signature[5];
+	unsigned char block_count;
+	unsigned long length;
+	char data[6];
+} __attribute__ ((packed)) tag_head;
+
+struct stream {
+	int (*init)(void);
+	int (*init_tags)(void);
+	void (*get_tags)(void *buf);
+	void (*load_tag)(int tag);
+	byte_offset_t (*read)(void *vdest, byte_offset_t count);
+	byte_offset_t (*skip)(byte_offset_t count);
+	void (*fini)(void);
+};
+
+#define __stream	__attribute__ ((unused,__section__ (".rodata.streams")))
+
+/* Defined by the linker... */
+extern struct stream streams[];
+extern struct stream estreams[];
+
+#endif /* ROM_READ_BYTES_H */

util/baremetal/include/serial_subr.h

@@ -0,0 +1,11 @@
+#ifndef _SERIAL_SUBR_H_
+#define _SERIAL_SUBR_H_
+
+void ttys0_init(void);
+void ttys0_tx_byte(unsigned char data);
+unsigned char ttys0_rx_byte(void);
+unsigned long ttys0_rx_bytes(char *buffer, unsigned long size);
+int iskey(void);
+
+void uart_init(unsigned base_port, unsigned divisor);
+#endif /* _SERIAL_SUBR_H_ */

util/baremetal/include/stdlib.h

@@ -0,0 +1,14 @@
+#ifndef STDLIB_H
+#define STDLIB_H
+
+#include <stddef.h>
+
+extern void *malloc(size_t size);
+void free(void *ptr);
+
+/* Extensions to malloc... */
+typedef size_t malloc_mark_t;
+void malloc_mark(malloc_mark_t *place);
+void malloc_release(malloc_mark_t *place);
+
+#endif /* STDLIB_H */

util/baremetal/include/string.h

@@ -0,0 +1,36 @@
+#ifndef STRING_H
+#define STRING_H
+
+#include <stddef.h>
+
+// yes, linux has fancy ones. We don't care. This stuff gets used 
+// hardly at all. And the pain of including those files is just too high.
+
+//extern inline void strcpy(char *dst, char *src) {while (*src) *dst++ = *src++;}
+
+//extern inline int strlen(char *src) { int i = 0; while (*src++) i++; return i;}
+
+static inline size_t strnlen(const char *src, size_t max) 
+{ 
+	size_t i = 0;
+	while((*src++) && (i < max)) {
+		i++;
+	}
+	return i;
+}
+
+static inline size_t strlen(const char *src)
+{
+	size_t i = 0;
+	while(*src++) {
+		i++;
+	}
+	return i;
+}
+
+extern void *memcpy(void *dest, const void *src, size_t n);
+extern void *memset(void *s, int c, size_t n);
+extern int memcmp(const void *s1, const void *s2, size_t n);
+
+extern int sprintf(char * buf, const char *fmt, ...);
+#endif /* STRING_H */

util/baremetal/include/subr.h

@@ -0,0 +1,14 @@
+#ifndef SUBR_H_
+#define SUBR_H_
+
+#include <stdint.h>
+
+void displayinit(void);
+void display(char msg[]);
+void display_tx_byte(unsigned char byte);
+void display_tx_break(void);
+
+void error(char errmsg[]);
+void post_code(uint8_t value);
+
+#endif /* SUBR_H_ */

util/baremetal/include/sys/io.h

@@ -0,0 +1,3 @@
+#include <arch/io.h>
+
+#define iopl(c) (0)

util/baremetal/include/types.h

@@ -0,0 +1,220 @@
+/* Copyright (C) 1991,92,94,95,96,97,98,99, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/*
+ *	POSIX Standard: 2.6 Primitive System Data Types	<sys/types.h>
+ */
+
+#ifndef	_SYS_TYPES_H
+#define	_SYS_TYPES_H	1
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+#include <bits/types.h>
+
+#ifdef	__USE_BSD
+typedef __u_char u_char;
+typedef __u_short u_short;
+typedef __u_int u_int;
+typedef __u_long u_long;
+typedef __quad_t quad_t;
+typedef __u_quad_t u_quad_t;
+typedef __fsid_t fsid_t;
+#endif
+
+typedef __loff_t loff_t;
+
+#ifndef ino_t
+# ifndef __USE_FILE_OFFSET64
+typedef __ino_t ino_t;
+# else
+typedef __ino64_t ino_t;
+# endif
+# define ino_t ino_t
+#endif
+#if defined __USE_LARGEFILE64 && !defined ino64_t
+typedef __ino64_t ino64_t;
+# define ino64_t ino64_t
+#endif
+
+#ifndef dev_t
+typedef __dev_t dev_t;
+# define dev_t dev_t
+#endif
+
+#ifndef gid_t
+typedef __gid_t gid_t;
+# define gid_t gid_t
+#endif
+
+#ifndef mode_t
+typedef __mode_t mode_t;
+# define mode_t mode_t
+#endif
+
+#ifndef nlink_t
+typedef __nlink_t nlink_t;
+# define nlink_t nlink_t
+#endif
+
+#ifndef uid_t
+typedef __uid_t uid_t;
+# define uid_t uid_t
+#endif
+
+#ifndef off_t
+# ifndef __USE_FILE_OFFSET64
+typedef __off_t off_t;
+# else
+typedef __off64_t off_t;
+# endif
+# define off_t off_t
+#endif
+#if defined __USE_LARGEFILE64 && !defined off64_t
+typedef __off64_t off64_t;
+# define off64_t off64_t
+#endif
+
+#ifndef pid_t
+typedef __pid_t pid_t;
+# define pid_t pid_t
+#endif
+
+#if defined __USE_SVID || defined __USE_XOPEN
+typedef __id_t id_t;
+#endif
+
+#ifndef ssize_t
+typedef __ssize_t ssize_t;
+# define ssize_t ssize_t
+#endif
+
+#ifdef	__USE_BSD
+typedef __daddr_t daddr_t;
+typedef __caddr_t caddr_t;
+#endif
+
+#if defined __USE_SVID || defined __USE_XOPEN
+typedef __key_t key_t;
+#endif
+
+#ifdef __USE_XOPEN
+# define __need_clock_t
+#endif
+#define	__need_time_t
+#include <time.h>
+
+#define	__need_size_t
+#include <stddef.h>
+
+#ifdef __USE_MISC
+/* Old compatibility names for C types.  */
+typedef unsigned long int ulong;
+typedef unsigned short int ushort;
+typedef unsigned int uint;
+#endif
+
+/* These size-specific names are used by some of the inet code.  */
+
+#if !defined __GNUC__ || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
+
+/* These types are defined by the ISO C 9x header <inttypes.h>. */
+# ifndef __int8_t_defined
+#  define __int8_t_defined
+typedef	char int8_t;
+typedef	short int int16_t;
+typedef	int int32_t;
+#  ifdef __GNUC__
+__extension__ typedef long long int int64_t;
+#  endif
+# endif
+
+/* But these were defined by ISO C without the first `_'.  */
+typedef	unsigned char u_int8_t;
+typedef	unsigned short int u_int16_t;
+typedef	unsigned int u_int32_t;
+# ifdef __GNUC__
+__extension__ typedef unsigned long long int u_int64_t;
+# endif
+
+typedef int register_t;
+
+#else
+
+/* For GCC 2.7 and later, we can use specific type-size attributes.  */
+# define __intN_t(N, MODE) \
+  typedef int int##N##_t __attribute__ ((__mode__ (MODE)))
+# define __u_intN_t(N, MODE) \
+  typedef unsigned int u_int##N##_t __attribute__ ((__mode__ (MODE)))
+
+# ifndef __int8_t_defined
+#  define __int8_t_defined
+__intN_t (8, __QI__);
+__intN_t (16, __HI__);
+__intN_t (32, __SI__);
+__intN_t (64, __DI__);
+# endif
+
+__u_intN_t (8, __QI__);
+__u_intN_t (16, __HI__);
+__u_intN_t (32, __SI__);
+__u_intN_t (64, __DI__);
+
+typedef int register_t __attribute__ ((__mode__ (__word__)));
+
+
+/* Some code from BIND tests this macro to see if the types above are
+   defined.  */
+#endif
+#define __BIT_TYPES_DEFINED__	1
+
+
+#ifdef	__USE_BSD
+/* In BSD <sys/types.h> is expected to define BYTE_ORDER.  */
+# include <endian.h>
+
+/* It also defines `fd_set' and the FD_* macros for `select'.  */
+# include <sys/select.h>
+
+/* BSD defines these symbols, so we follow.  */
+# include <sys/sysmacros.h>
+#endif /* Use BSD.  */
+
+
+/* Types from the Large File Support interface.  */
+#ifndef __USE_FILE_OFFSET64
+typedef __blkcnt_t blkcnt_t;	 /* Type to count number of disk blocks.  */
+typedef __fsblkcnt_t fsblkcnt_t; /* Type to count file system blocks.  */
+typedef __fsfilcnt_t fsfilcnt_t; /* Type to count file system inodes.  */
+#else
+typedef __blkcnt64_t blkcnt_t;	   /* Type to count number of disk blocks.  */
+typedef __fsblkcnt64_t fsblkcnt_t; /* Type to count file system blocks.  */
+typedef __fsfilcnt64_t fsfilcnt_t; /* Type to count file system inodes.  */
+#endif
+
+#ifdef __USE_LARGEFILE64
+typedef __blkcnt64_t blkcnt64_t;     /* Type to count number of disk blocks. */
+typedef __fsblkcnt64_t fsblkcnt64_t; /* Type to count file system blocks.  */
+typedef __fsfilcnt64_t fsfilcnt64_t; /* Type to count file system inodes.  */
+#endif
+
+__END_DECLS
+
+#endif /* sys/types.h */