- Initial checkin of the freebios2 tree
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@784 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/include/boot/elf.h b/src/include/boot/elf.h
new file mode 100644
index 0000000..3503388
--- /dev/null
+++ b/src/include/boot/elf.h
@@ -0,0 +1,401 @@
+#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 lb_memory;
+extern int elfboot(struct lb_memory *mem);
+
+#define FIRMWARE_TYPE "LinuxBIOS"
+#define BOOTLOADER "elfboot"
+#define BOOTLOADER_VERSION "1.3"
+
+#endif /* elf.h */
diff --git a/src/include/boot/elf_boot.h b/src/include/boot/elf_boot.h
new file mode 100644
index 0000000..ee6750d
--- /dev/null
+++ b/src/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 */
diff --git a/src/include/boot/linuxbios_tables.h b/src/include/boot/linuxbios_tables.h
new file mode 100644
index 0000000..5f37993
--- /dev/null
+++ b/src/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 */
diff --git a/src/include/boot/tables.h b/src/include/boot/tables.h
new file mode 100644
index 0000000..618c32e
--- /dev/null
+++ b/src/include/boot/tables.h
@@ -0,0 +1,9 @@
+#ifndef BOOT_TABLES_H
+#define BOOT_TABLES_H
+
+#include <mem.h>
+#include <boot/linuxbios_tables.h>
+
+struct lb_memory *write_tables(struct mem_range *mem, unsigned long *processor_map);
+
+#endif /* BOOT_TABLES_H */
diff --git a/src/include/console/console.h b/src/include/console/console.h
new file mode 100644
index 0000000..57ba9da
--- /dev/null
+++ b/src/include/console/console.h
@@ -0,0 +1,76 @@
+#ifndef CONSOLE_CONSOLE_H_
+#define CONSOLE_CONSOLE_H_
+
+#include <stdint.h>
+#include <console/loglevel.h>
+
+void console_init(void);
+void console_tx_byte(unsigned char byte);
+void console_tx_flush(void);
+void post_code(uint8_t value);
+void die(char *msg);
+
+struct console_driver {
+ void (*init)(void);
+ void (*tx_byte)(unsigned char byte);
+ void (*tx_flush)(void);
+};
+
+#define __console __attribute__((unused, __section__ (".rodata.console_drivers")))
+
+/* Defined by the linker... */
+extern struct console_driver console_drivers[];
+extern struct console_driver econsole_drivers[];
+
+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)
+
+#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 /* CONSOLE_CONSOLE_H_ */
diff --git a/src/include/console/loglevel.h b/src/include/console/loglevel.h
new file mode 100644
index 0000000..a191b30
--- /dev/null
+++ b/src/include/console/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 */
diff --git a/src/include/cpu/cpu.h b/src/include/cpu/cpu.h
new file mode 100644
index 0000000..208dab0
--- /dev/null
+++ b/src/include/cpu/cpu.h
@@ -0,0 +1,11 @@
+#ifndef CPU_CPU_H
+#define CPU_CPU_H
+
+#include <mem.h>
+
+unsigned long cpu_initialize(struct mem_range *mem);
+#define CPU_ENABLED 1 /* Processor is available */
+#define CPU_BOOTPROCESSOR 2 /* Processor is the BP */
+
+
+#endif /* CPU_CPU_H */
diff --git a/src/include/cpu/cpufixup.h b/src/include/cpu/cpufixup.h
new file mode 100644
index 0000000..b23afa5
--- /dev/null
+++ b/src/include/cpu/cpufixup.h
@@ -0,0 +1,24 @@
+#ifndef CPU_CPUFIXUP_H
+#define CPU_CPUFIXUP_H
+
+struct mem_range;
+
+#include <cpu/k8/cpufixup.h>
+#include <cpu/k7/cpufixup.h>
+#include <cpu/p6/cpufixup.h>
+
+#if CPU_FIXUP == 1
+# if defined(k8)
+# define cpufixup(mem) k8_cpufixup(mem)
+# elif defined(k7)
+# define cpufixup(mem) k7_cpufixup(mem)
+# elif defined(i786)
+# define cpufixup(mem) i786_cpufixup(mem)
+# elif defined(i686)
+# define cpufixup(mem) p6_cpufixup(mem)
+# endif
+#else
+# define cpufixup(mem) do {} while(0)
+#endif
+
+#endif /* CPU_CPUFIXUP_H */
diff --git a/src/include/cpu/k7/cpufixup.h b/src/include/cpu/k7/cpufixup.h
new file mode 100644
index 0000000..0e3db3d
--- /dev/null
+++ b/src/include/cpu/k7/cpufixup.h
@@ -0,0 +1,6 @@
+#ifndef CPU_K7_CPUFIXUP_H
+#define CPU_K7_CPUFIXUP_H
+
+void k7_cpufixup(struct mem_range *mem);
+
+#endif /* CPU_K7_CPUFIXUP_H */
diff --git a/src/include/cpu/k7/mtrr.h b/src/include/cpu/k7/mtrr.h
new file mode 100644
index 0000000..ea376da
--- /dev/null
+++ b/src/include/cpu/k7/mtrr.h
@@ -0,0 +1,42 @@
+#ifndef CPU_K7_MTRR_H
+#define CPU_K7_MTRR_H
+
+#include <cpu/p6/mtrr.h>
+
+#define IORR_FIRST 0xC0010016
+#define IORR_LAST 0xC0010019
+#define SYSCFG 0xC0010010
+
+#define MTRR_READ_MEM (1 << 4)
+#define MTRR_WRITE_MEM (1 << 3)
+
+#define SYSCFG_MSR 0xC0010010
+#define SYSCFG_MSR_EvictEn (1 << 22)
+#define SYSCFG_MSR_TOM2En (1 << 21)
+#define SYSCFG_MSR_MtrrVarDramEn (1 << 20)
+#define SYSCFG_MSR_MtrrFixDramModEn (1 << 19)
+#define SYSCFG_MSR_MtrrFixDramEn (1 << 18)
+#define SYSCFG_MSR_UcLockEn (1 << 17)
+#define SYSCFG_MSR_ChxToDirtyDis (1 << 16)
+#define SYSCFG_MSR_SysEccEn (1 << 15)
+#define SYSCFG_MSR_RdBlkL2WayEn (1 << 14)
+#define SYSCFG_MSR_SysFillValIsD1 (1 << 13)
+#define SYSCFG_MSR_IcInclusive (1 << 12)
+#define SYSCFG_MSR_ClVicBlkEn (1 << 11)
+#define SYSCFG_MSR_SetDirtyEnO (1 << 10)
+#define SYSCFG_MSR_SetDirtyEnS (1 << 9)
+#define SYSCFG_MSR_SetDirtyEnE (1 << 8)
+#define SYSCFG_MSR_SysVicLimitMask ((1 << 8) - (1 << 5))
+#define SYSCFG_MSR_SysAckLimitMask ((1 << 5) - (1 << 0))
+
+
+
+#define IORR0_BASE 0xC0010016
+#define IORR0_MASK 0xC0010017
+#define IORR1_BASE 0xC0010018
+#define IORR1_MASK 0xC0010019
+#define TOP_MEM 0xC001001A
+#define TOP_MEM2 0xC001001D
+#define HWCR_MSR 0xC0010015
+
+#endif /* CPU_K7_MTRR_H */
diff --git a/src/include/cpu/k8/cpufixup.h b/src/include/cpu/k8/cpufixup.h
new file mode 100644
index 0000000..9500ec2
--- /dev/null
+++ b/src/include/cpu/k8/cpufixup.h
@@ -0,0 +1,6 @@
+#ifndef CPU_K8_CPUFIXUP_H
+#define CPU_K8_CPUFIXUP_H
+
+void k8_cpufixup(struct mem_range *mem);
+
+#endif /* CPU_K8_CPUFIXUP_H */
diff --git a/src/include/cpu/k8/mtrr.h b/src/include/cpu/k8/mtrr.h
new file mode 100644
index 0000000..ce9e6d4
--- /dev/null
+++ b/src/include/cpu/k8/mtrr.h
@@ -0,0 +1,45 @@
+#ifndef CPU_K8_MTRR_H
+#define CPU_K8_MTRR_H
+
+#include <cpu/k7/mtrr.h>
+
+#if 0
+#define IORR_FIRST 0xC0010016
+#define IORR_LAST 0xC0010019
+#define SYSCFG 0xC0010010
+
+#define MTRR_READ_MEM (1 << 4)
+#define MTRR_WRITE_MEM (1 << 3)
+
+#define SYSCFG_MSR 0xC0010010
+#define SYSCFG_MSR_EvictEn (1 << 22)
+#define SYSCFG_MSR_TOM2En (1 << 21)
+#define SYSCFG_MSR_MtrrVarDramEn (1 << 20)
+#define SYSCFG_MSR_MtrrFixDramModEn (1 << 19)
+#define SYSCFG_MSR_MtrrFixDramEn (1 << 18)
+#define SYSCFG_MSR_UcLockEn (1 << 17)
+#define SYSCFG_MSR_ChxToDirtyDis (1 << 16)
+#define SYSCFG_MSR_SysEccEn (1 << 15)
+#define SYSCFG_MSR_RdBlkL2WayEn (1 << 14)
+#define SYSCFG_MSR_SysFillValIsD1 (1 << 13)
+#define SYSCFG_MSR_IcInclusive (1 << 12)
+#define SYSCFG_MSR_ClVicBlkEn (1 << 11)
+#define SYSCFG_MSR_SetDirtyEnO (1 << 10)
+#define SYSCFG_MSR_SetDirtyEnS (1 << 9)
+#define SYSCFG_MSR_SetDirtyEnE (1 << 8)
+#define SYSCFG_MSR_SysVicLimitMask ((1 << 8) - (1 << 5))
+#define SYSCFG_MSR_SysAckLimitMask ((1 << 5) - (1 << 0))
+
+
+
+#define IORR0_BASE 0xC0010016
+#define IORR0_MASK 0xC0010017
+#define IORR1_BASE 0xC0010018
+#define IORR1_MASK 0xC0010019
+#define TOP_MEM 0xC001001A
+#define TOP_MEM2 0xC001001D
+#define HWCR_MSR 0xC0010015
+
+#endif
+
+#endif /* CPU_K8_MTRR_H */
diff --git a/src/include/cpu/p5/cpuid.h b/src/include/cpu/p5/cpuid.h
new file mode 100644
index 0000000..b8ffc88
--- /dev/null
+++ b/src/include/cpu/p5/cpuid.h
@@ -0,0 +1,25 @@
+#ifndef CPU_P5_CPUID_H
+#define CPU_P5_CPUID_H
+
+int mtrr_check(void);
+void display_cpuid(void);
+
+/*
+ * Generic CPUID function. copied from Linux kernel headers
+ */
+
+static inline void cpuid(int op, int *eax, int *ebx, int *ecx, int *edx)
+{
+ __asm__("pushl %%ebx\n\t"
+ "cpuid\n\t"
+ "movl %%ebx, %%esi\n\t"
+ "popl %%ebx\n\t"
+ : "=a" (*eax),
+ "=S" (*ebx),
+ "=c" (*ecx),
+ "=d" (*edx)
+ : "a" (op)
+ : "cc");
+}
+
+#endif /* CPU_P5_CPUID_H */
diff --git a/src/include/cpu/p6/apic.h b/src/include/cpu/p6/apic.h
new file mode 100644
index 0000000..b91cdb2
--- /dev/null
+++ b/src/include/cpu/p6/apic.h
@@ -0,0 +1,175 @@
+#ifndef APIC_H
+#define APIC_H
+
+#define APIC_BASE_MSR 0x1B
+#define APIC_BASE_MSR_BOOTSTRAP_PROCESSOR (1 << 8)
+#define APIC_BASE_MSR_ENABLE (1 << 11)
+#define APIC_BASE_MSR_ADDR_MASK 0xFFFFF000
+
+#define APIC_DEFAULT_BASE 0xfee00000
+
+#define APIC_ID 0x020
+#define APIC_LVR 0x030
+#define APIC_ARBID 0x090
+#define APIC_RRR 0x0C0
+#define APIC_SVR 0x0f0
+#define APIC_SPIV 0x0f0
+#define APIC_SPIV_ENABLE 0x100
+#define APIC_ESR 0x280
+#define APIC_ESR_SEND_CS 0x00001
+#define APIC_ESR_RECV_CS 0x00002
+#define APIC_ESR_SEND_ACC 0x00004
+#define APIC_ESR_RECV_ACC 0x00008
+#define APIC_ESR_SENDILL 0x00020
+#define APIC_ESR_RECVILL 0x00040
+#define APIC_ESR_ILLREGA 0x00080
+#define APIC_ICR 0x300
+#define APIC_DEST_SELF 0x40000
+#define APIC_DEST_ALLINC 0x80000
+#define APIC_DEST_ALLBUT 0xC0000
+#define APIC_ICR_RR_MASK 0x30000
+#define APIC_ICR_RR_INVALID 0x00000
+#define APIC_ICR_RR_INPROG 0x10000
+#define APIC_ICR_RR_VALID 0x20000
+#define APIC_INT_LEVELTRIG 0x08000
+#define APIC_INT_ASSERT 0x04000
+#define APIC_ICR_BUSY 0x01000
+#define APIC_DEST_LOGICAL 0x00800
+#define APIC_DM_FIXED 0x00000
+#define APIC_DM_LOWEST 0x00100
+#define APIC_DM_SMI 0x00200
+#define APIC_DM_REMRD 0x00300
+#define APIC_DM_NMI 0x00400
+#define APIC_DM_INIT 0x00500
+#define APIC_DM_STARTUP 0x00600
+#define APIC_DM_EXTINT 0x00700
+#define APIC_VECTOR_MASK 0x000FF
+#define APIC_ICR2 0x310
+#define GET_APIC_DEST_FIELD(x) (((x)>>24)&0xFF)
+#define SET_APIC_DEST_FIELD(x) ((x)<<24)
+#define APIC_LVTT 0x320
+#define APIC_LVTPC 0x340
+#define APIC_LVT0 0x350
+#define APIC_LVT_TIMER_BASE_MASK (0x3<<18)
+#define GET_APIC_TIMER_BASE(x) (((x)>>18)&0x3)
+#define SET_APIC_TIMER_BASE(x) (((x)<<18))
+#define APIC_TIMER_BASE_CLKIN 0x0
+#define APIC_TIMER_BASE_TMBASE 0x1
+#define APIC_TIMER_BASE_DIV 0x2
+#define APIC_LVT_TIMER_PERIODIC (1<<17)
+#define APIC_LVT_MASKED (1<<16)
+#define APIC_LVT_LEVEL_TRIGGER (1<<15)
+#define APIC_LVT_REMOTE_IRR (1<<14)
+#define APIC_INPUT_POLARITY (1<<13)
+#define APIC_SEND_PENDING (1<<12)
+#define APIC_LVT_RESERVED_1 (1<<11)
+#define APIC_DELIVERY_MODE_MASK (7<<8)
+#define APIC_DELIVERY_MODE_FIXED (0<<8)
+#define APIC_DELIVERY_MODE_NMI (4<<8)
+#define APIC_DELIVERY_MODE_EXTINT (7<<8)
+#define GET_APIC_DELIVERY_MODE(x) (((x)>>8)&0x7)
+#define SET_APIC_DELIVERY_MODE(x,y) (((x)&~0x700)|((y)<<8))
+#define APIC_MODE_FIXED 0x0
+#define APIC_MODE_NMI 0x4
+#define APIC_MODE_EXINT 0x7
+#define APIC_LVT1 0x360
+#define APIC_LVTERR 0x370
+
+
+#if !defined(ASSEMBLY)
+
+#include <console/console.h>
+
+
+#define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr))))
+
+struct __xchg_dummy { unsigned long a[100]; };
+#define __xg(x) ((struct __xchg_dummy *)(x))
+
+/*
+ * Note: no "lock" prefix even on SMP: xchg always implies lock anyway
+ * Note 2: xchg has side effect, so that attribute volatile is necessary,
+ * but generally the primitive is invalid, *ptr is output argument. --ANK
+ */
+static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
+{
+ switch (size) {
+ case 1:
+ __asm__ __volatile__("xchgb %b0,%1"
+ :"=q" (x)
+ :"m" (*__xg(ptr)), "0" (x)
+ :"memory");
+ break;
+ case 2:
+ __asm__ __volatile__("xchgw %w0,%1"
+ :"=r" (x)
+ :"m" (*__xg(ptr)), "0" (x)
+ :"memory");
+ break;
+ case 4:
+ __asm__ __volatile__("xchgl %0,%1"
+ :"=r" (x)
+ :"m" (*__xg(ptr)), "0" (x)
+ :"memory");
+ break;
+ }
+ return x;
+}
+
+
+static inline unsigned long apic_read(unsigned long reg)
+{
+ return *((volatile unsigned long *)(APIC_DEFAULT_BASE+reg));
+}
+
+extern inline void apic_write_atomic(unsigned long reg, unsigned long v)
+{
+ xchg((volatile unsigned long *)(APIC_DEFAULT_BASE+reg), v);
+}
+
+static inline void apic_write(unsigned long reg, unsigned long v)
+{
+ *((volatile unsigned long *)(APIC_DEFAULT_BASE+reg)) = v;
+}
+
+static inline void apic_wait_icr_idle(void)
+{
+ do { } while ( apic_read( APIC_ICR ) & APIC_ICR_BUSY );
+}
+
+#ifdef CONFIG_X86_GOOD_APIC
+# define FORCE_READ_AROUND_WRITE 0
+# define apic_read_around(x) apic_read(x)
+# define apic_write_around(x,y) apic_write((x),(y))
+#else
+# define FORCE_READ_AROUND_WRITE 1
+# define apic_read_around(x) apic_read(x)
+# define apic_write_around(x,y) apic_write_atomic((x),(y))
+#endif
+
+static inline int apic_remote_read(int apicid, int reg, unsigned long *pvalue)
+{
+ int timeout;
+ unsigned long status;
+ int result;
+ apic_wait_icr_idle();
+ apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(apicid));
+ apic_write_around(APIC_ICR, APIC_DM_REMRD | (reg >> 4));
+ timeout = 0;
+ do {
+#if 0
+ udelay(100);
+#endif
+ status = apic_read(APIC_ICR) & APIC_ICR_RR_MASK;
+ } while (status == APIC_ICR_RR_INPROG && timeout++ < 1000);
+
+ result = -1;
+ if (status == APIC_ICR_RR_VALID) {
+ *pvalue = apic_read(APIC_RRR);
+ result = 0;
+ }
+ return result;
+}
+#endif /* ASSEMBLY */
+
+#endif /* APIC_H */
diff --git a/src/include/cpu/p6/cpufixup.h b/src/include/cpu/p6/cpufixup.h
new file mode 100644
index 0000000..9b0f2fa
--- /dev/null
+++ b/src/include/cpu/p6/cpufixup.h
@@ -0,0 +1,6 @@
+#ifndef CPU_P6_CPUFIXUP_H
+#define CPU_P6_CPUFIXUP_H
+
+void p6_cpufixup(struct mem_range *mem);
+
+#endif /* CPU_P6_CPUFIXUP_H */
diff --git a/src/include/cpu/p6/msr.h b/src/include/cpu/p6/msr.h
new file mode 100644
index 0000000..4977b02
--- /dev/null
+++ b/src/include/cpu/p6/msr.h
@@ -0,0 +1,33 @@
+#ifndef CPU_P6_MSR_H
+#define CPU_P6_MSR_H
+
+/*
+ * Access to machine-specific registers (available on 586 and better only)
+ * Note: the rd* operations modify the parameters directly (without using
+ * pointer indirection), this allows gcc to optimize better
+ */
+
+#define rdmsr(msr,val1,val2) \
+ __asm__ __volatile__("rdmsr" \
+ : "=a" (val1), "=d" (val2) \
+ : "c" (msr))
+
+#define wrmsr(msr,val1,val2) \
+ __asm__ __volatile__("wrmsr" \
+ : /* no outputs */ \
+ : "c" (msr), "a" (val1), "d" (val2))
+
+#define rdtsc(low,high) \
+ __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high))
+
+#define rdtscl(low) \
+ __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
+
+#define rdtscll(val) \
+ __asm__ __volatile__ ("rdtsc" : "=A" (val))
+
+#define rdpmc(counter,low,high) \
+ __asm__ __volatile__("rdpmc" \
+ : "=a" (low), "=d" (high) \
+ : "c" (counter))
+#endif /* CPU_P6_MSR_H */
diff --git a/src/include/cpu/p6/mtrr.h b/src/include/cpu/p6/mtrr.h
new file mode 100644
index 0000000..16af10b
--- /dev/null
+++ b/src/include/cpu/p6/mtrr.h
@@ -0,0 +1,44 @@
+#ifndef __LINUXBIOS_CPU_P6_MTRR_H
+#define __LINUXBIOS_CPU_P6_MTRR_H
+
+/* These are the region types */
+#define MTRR_TYPE_UNCACHABLE 0
+#define MTRR_TYPE_WRCOMB 1
+/*#define MTRR_TYPE_ 2*/
+/*#define MTRR_TYPE_ 3*/
+#define MTRR_TYPE_WRTHROUGH 4
+#define MTRR_TYPE_WRPROT 5
+#define MTRR_TYPE_WRBACK 6
+#define MTRR_NUM_TYPES 7
+
+#define MTRRcap_MSR 0x0fe
+#define MTRRdefType_MSR 0x2ff
+
+#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg))
+#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1)
+
+#define NUM_FIXED_RANGES 88
+#define MTRRfix64K_00000_MSR 0x250
+#define MTRRfix16K_80000_MSR 0x258
+#define MTRRfix16K_A0000_MSR 0x259
+#define MTRRfix4K_C0000_MSR 0x268
+#define MTRRfix4K_C8000_MSR 0x269
+#define MTRRfix4K_D0000_MSR 0x26a
+#define MTRRfix4K_D8000_MSR 0x26b
+#define MTRRfix4K_E0000_MSR 0x26c
+#define MTRRfix4K_E8000_MSR 0x26d
+#define MTRRfix4K_F0000_MSR 0x26e
+#define MTRRfix4K_F8000_MSR 0x26f
+
+
+#if !defined(ASSEMBLY)
+
+void set_var_mtrr(unsigned int reg, unsigned long base, unsigned long size, unsigned char type);
+#if defined(INTEL_PPRO_MTRR)
+struct mem_range;
+void setup_mtrrs(struct mem_range *mem);
+#endif
+
+#endif /* ASSEMBLY */
+
+#endif /* __LINUXBIOS_CPU_P6_MTRR_H */
diff --git a/src/include/delay.h b/src/include/delay.h
new file mode 100644
index 0000000..bffb719
--- /dev/null
+++ b/src/include/delay.h
@@ -0,0 +1,8 @@
+#ifndef DELAY_H
+#define DELAY_H
+
+void udelay(int usecs);
+void mdelay(int msecs);
+void delay(int secs);
+
+#endif /* DELAY_H */
diff --git a/src/include/ip_checksum.h b/src/include/ip_checksum.h
new file mode 100644
index 0000000..c2cb938
--- /dev/null
+++ b/src/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 */
diff --git a/src/include/mem.h b/src/include/mem.h
new file mode 100644
index 0000000..e8f633b
--- /dev/null
+++ b/src/include/mem.h
@@ -0,0 +1,13 @@
+#ifndef MEM_H
+#define MEM_H
+
+struct mem_range {
+ unsigned long basek;
+ unsigned long sizek;
+};
+
+/* mem_range arrays are non-overlapping, in ascending order and null terminated */
+
+struct mem_range *sizeram(void);
+
+#endif /* MEM_H */
diff --git a/src/include/part/fallback_boot.h b/src/include/part/fallback_boot.h
new file mode 100644
index 0000000..1eb2f7b
--- /dev/null
+++ b/src/include/part/fallback_boot.h
@@ -0,0 +1,16 @@
+#ifndef PART_FALLBACK_BOOT_H
+#define PART_FALLBACK_BOOT_H
+
+#ifndef 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 */
diff --git a/src/include/part/sizeram.h b/src/include/part/sizeram.h
new file mode 100644
index 0000000..50a44f3
--- /dev/null
+++ b/src/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 */
diff --git a/src/include/pc80/mc146818rtc.h b/src/include/pc80/mc146818rtc.h
new file mode 100644
index 0000000..1daf39a
--- /dev/null
+++ b/src/include/pc80/mc146818rtc.h
@@ -0,0 +1,110 @@
+#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
+
+
+/* Linux bios checksum is built only over bytes 49..125 */
+#define LB_CKS_RANGE_START 49
+#define LB_CKS_RANGE_END 125
+#define LB_CKS_LOC 126
+
+
+/* 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 */
diff --git a/src/include/smp/atomic.h b/src/include/smp/atomic.h
new file mode 100644
index 0000000..b36e0e2
--- /dev/null
+++ b/src/include/smp/atomic.h
@@ -0,0 +1,53 @@
+#ifndef SMP_ATOMIC_H
+#define SMP_ATOMIC_H
+
+#ifdef SMP
+#include <arch/smp/atomic.h>
+#else
+
+typedef struct { int counter; } atomic_t;
+#define ATOMIC_INIT(i) { (i) }
+
+/**
+ * atomic_read - read atomic variable
+ * @v: pointer of type atomic_t
+ *
+ * Atomically reads the value of @v. Note that the guaranteed
+ * useful range of an atomic_t is only 24 bits.
+ */
+#define atomic_read(v) ((v)->counter)
+
+/**
+ * atomic_set - set atomic variable
+ * @v: pointer of type atomic_t
+ * @i: required value
+ *
+ * Atomically sets the value of @v to @i. Note that the guaranteed
+ * useful range of an atomic_t is only 24 bits.
+ */
+#define atomic_set(v,i) (((v)->counter) = (i))
+
+
+/**
+ * atomic_inc - increment atomic variable
+ * @v: pointer of type atomic_t
+ *
+ * Atomically increments @v by 1. Note that the guaranteed
+ * useful range of an atomic_t is only 24 bits.
+ */
+#define atomic_inc(v) (((v)->counter)++)
+
+
+/**
+ * atomic_dec - decrement atomic variable
+ * @v: pointer of type atomic_t
+ *
+ * Atomically decrements @v by 1. Note that the guaranteed
+ * useful range of an atomic_t is only 24 bits.
+ */
+#define atomic_dec(v) (((v)->counter)--)
+
+
+#endif /* SMP */
+
+#endif /* SMP_ATOMIC_H */
diff --git a/src/include/smp/spinlock.h b/src/include/smp/spinlock.h
new file mode 100644
index 0000000..9e0f8af
--- /dev/null
+++ b/src/include/smp/spinlock.h
@@ -0,0 +1,24 @@
+#ifndef SMP_SPINLOCK_H
+#define SMP_SPINLOCK_H
+
+#ifdef SMP
+#include <arch/smp/spinlock.h>
+#else /* !SMP */
+
+/* Most GCC versions have a nasty bug with empty initializers */
+#if (__GNUC__ > 2)
+typedef struct { } spinlock_t;
+#define SPIN_LOCK_UNLOCKED (spinlock_t) { }
+#else
+typedef struct { int gcc_is_buggy; } spinlock_t;
+#define SPIN_LOCK_UNLOCKED (spinlock_t) { 0 }
+#endif
+
+#define barrier() do {} while(0)
+#define spin_is_locked(lock) 0
+#define spin_unlock_wait(lock) do {} while(0)
+#define spin_lock(lock) do {} while(0)
+#define spin_unlock(lock) do {} while(0)
+#endif
+
+#endif /* SMP_SPINLOCK_H */
diff --git a/src/include/smp/start_stop.h b/src/include/smp/start_stop.h
new file mode 100644
index 0000000..c0eebd0
--- /dev/null
+++ b/src/include/smp/start_stop.h
@@ -0,0 +1,17 @@
+#ifndef SMP_START_STOP_H
+#define SMP_START_STOP_H
+
+#if SMP == 1
+#include <smp/atomic.h>
+unsigned long this_processors_id(void);
+int processor_index(unsigned long processor_id);
+void stop_cpu(unsigned long processor_id);
+int start_cpu(unsigned long processor_id);
+void startup_other_cpus(unsigned long *processor_map);
+#else
+#define this_processors_id() 0
+#define startup_other_cpus(p) do {} while(0)
+#define processor_index(p) 0
+#endif
+
+#endif /* SMP_START_STOP_H */
diff --git a/src/include/stdlib.h b/src/include/stdlib.h
new file mode 100644
index 0000000..eb67d20
--- /dev/null
+++ b/src/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 */
diff --git a/src/include/stream/read_bytes.h b/src/include/stream/read_bytes.h
new file mode 100644
index 0000000..dd3ef04
--- /dev/null
+++ b/src/include/stream/read_bytes.h
@@ -0,0 +1,13 @@
+#ifndef STREAM_READ_BYTES_H
+#define STREAM_READ_BYTES_H
+
+#include <stdint.h>
+
+typedef long byte_offset_t;
+
+extern int stream_init(void);
+extern byte_offset_t stream_read(void *vdest, byte_offset_t count);
+extern byte_offset_t stream_skip(byte_offset_t count);
+extern void stream_fini(void);
+
+#endif /* STREAM_READ_BYTES_H */
diff --git a/src/include/string.h b/src/include/string.h
new file mode 100644
index 0000000..cf9bbb1
--- /dev/null
+++ b/src/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 */
diff --git a/src/include/uart8250.h b/src/include/uart8250.h
new file mode 100644
index 0000000..ae45615
--- /dev/null
+++ b/src/include/uart8250.h
@@ -0,0 +1,7 @@
+#ifndef UART8250_H
+#define UART8250_H
+
+void uart8250_tx_byte(unsigned base_port, unsigned char data);
+void uart8250_init(unsigned base_port, unsigned divisor, unsigned lcs);
+
+#endif /* UART8250_H */
diff --git a/src/include/version.h b/src/include/version.h
new file mode 100644
index 0000000..223b9a3
--- /dev/null
+++ b/src/include/version.h
@@ -0,0 +1,22 @@
+#ifndef VERSION_H
+#define VERSION_H
+
+/* Motherboard Information */
+extern const char mainboard_vendor[];
+extern const char mainboard_part_number[];
+
+/* LinuxBIOS Version */
+extern const char linuxbios_version[];
+extern const char linuxbios_extra_version[];
+extern const char linuxbios_build[];
+
+/* When LinuxBIOS was compiled */
+extern const char linuxbios_compile_time[];
+extern const char linuxbios_compile_by[];
+extern const char linuxbios_compile_host[];
+extern const char linuxbios_compile_domain[];
+extern const char linuxbios_compiler[];
+extern const char linuxbios_linker[];
+extern const char linuxbios_assembler[];
+
+#endif /* VERSION_H */