This is the first snapshot of the FreeBSD/ia64 kernel. This kernel will

not work on any real hardware (or fully work on any simulator). Much more
needs to happen before this is actually functional but its nice to see
the FreeBSD copyright message appear in the ia64 simulator.

1 files changed, 203 insertions, 0 deletions

diff --git a/sys/ia64/include/elf.h b/sys/ia64/include/elf.h
new file mode 100644
index 0000000..3ed5220
--- /dev/null
+++ b/sys/ia64/include/elf.h
@@ -0,0 +1,203 @@
+/*-
+ * Copyright (c) 1996-1997 John D. Polstra.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_ELF_H_
+#define _MACHINE_ELF_H_ 1
+
+/*
+ * ELF definitions for the IA-64 architecture.
+ */
+
+#include <sys/elf64.h>	/* Definitions common to all 64 bit architectures. */
+
+#define __ELF_WORD_SIZE	64	/* Used by <sys/elf_generic.h> */
+#include <sys/elf_generic.h>
+
+#define ELF_ARCH	EM_IA_64
+
+#define ELF_MACHINE_OK(x) ((x) == EM_IA_64)
+
+/*
+ * Auxiliary vector entries for passing information to the interpreter.
+ *
+ * The i386 supplement to the SVR4 ABI specification names this "auxv_t",
+ * but POSIX lays claim to all symbols ending with "_t".
+ */
+
+typedef struct {	/* Auxiliary vector entry on initial stack */
+	int	a_type;			/* Entry type. */
+	union {
+		long	a_val;		/* Integer value. */
+		void	*a_ptr;		/* Address. */
+		void	(*a_fcn)(void);	/* Function pointer (not used). */
+	} a_un;
+} Elf64_Auxinfo;
+
+__ElfType(Auxinfo);
+
+/* Values for a_type. */
+#define AT_NULL		0	/* Terminates the vector. */
+#define AT_IGNORE	1	/* Ignored entry. */
+#define AT_EXECFD	2	/* File descriptor of program to load. */
+#define AT_PHDR		3	/* Program header of program already loaded. */
+#define AT_PHENT	4	/* Size of each program header entry. */
+#define AT_PHNUM	5	/* Number of program header entries. */
+#define AT_PAGESZ	6	/* Page size in bytes. */
+#define AT_BASE		7	/* Interpreter's base address. */
+#define AT_FLAGS	8	/* Flags (unused for i386). */
+#define AT_ENTRY	9	/* Where interpreter should transfer control. */
+
+/*
+ * The following non-standard values are used for passing information
+ * from John Polstra's testbed program to the dynamic linker.  These
+ * are expected to go away soon.
+ *
+ * Unfortunately, these overlap the Linux non-standard values, so they
+ * must not be used in the same context.
+ */
+#define AT_BRK		10	/* Starting point for sbrk and brk. */
+#define AT_DEBUG	11	/* Debugging level. */
+
+/*
+ * The following non-standard values are used in Linux ELF binaries.
+ */
+#define AT_NOTELF	10	/* Program is not ELF ?? */
+#define AT_UID		11	/* Real uid. */
+#define AT_EUID		12	/* Effective uid. */
+#define AT_GID		13	/* Real gid. */
+#define AT_EGID		14	/* Effective gid. */
+
+#define AT_COUNT	15	/* Count of defined aux entry types. */
+
+/*
+ * Values for e_flags.
+ */
+#define EF_IA_64_MASKOS		0x00ff000f
+#define EF_IA_64_ABI64		0x00000010
+#define EF_IA_64_REDUCEDFP	0x00000020
+#define EF_IA_64_CONS_GP	0x00000040
+#define EF_IA_64_NOFUNCDESC_CONS_GP 0x00000080
+#define EF_IA_64_ABSOLUTE	0x00000100
+#define EF_IA_64_ARCH		0xff000000
+
+/*
+ * Section types.
+ */
+#define SHT_IA_64_EXT		0x70000000
+#define SHT_IA_64_UNWIND	0x70000001
+#define SHT_IA_64_LOPSREG	0x78000000
+#define SHT_IA_64_HIPSREG	0x7fffffff
+
+/*
+ * Section attribute flags.
+ */
+#define SHF_IA_64_SHORT		0x10000000
+#define SHF_IA_64_NORECOV	0x20000000
+
+/*
+ * Relocation types.
+ */
+
+/*	Name			Value	   Field	Calculation */
+#define R_IA64_NONE		0	/* None */
+#define R_IA64_IMM14		0x21	/* immediate14	S + A */
+#define R_IA64_IMM22		0x22	/* immediate22	S + A */
+#define R_IA64_IMM64		0x23	/* immediate64	S + A */
+#define R_IA64_DIR32MSB		0x24	/* word32 MSB	S + A */
+#define R_IA64_DIR32LSB		0x25	/* word32 LSB	S + A */
+#define R_IA64_DIR64MSB		0x26	/* word64 MSB	S + A */
+#define R_IA64_DIR64LSB		0x27	/* word64 LSB	S + A */
+#define R_IA64_GPREL22		0x2a	/* immediate22	@gprel(S + A) */
+#define R_IA64_GPREL64I		0x2b	/* immediate64	@gprel(S + A) */
+#define R_IA64_GPREL64MSB	0x2e	/* word64 MSB	@gprel(S + A) */
+#define R_IA64_GPREL64LSB	0x2f	/* word64 LSB	@gprel(S + A) */
+#define R_IA64_LTOFF22		0x32	/* immediate22	@ltoff(S + A) */
+#define R_IA64_LTOFF64I		0x33	/* immediate64	@ltoff(S + A) */
+#define R_IA64_PLTOFF22		0x3a	/* immediate22	@pltoff(S + A) */
+#define R_IA64_PLTOFF64I	0x3b	/* immediate64	@pltoff(S + A) */
+#define R_IA64_PLTOFF64MSB	0x3e	/* word64 MSB	@pltoff(S + A) */
+#define R_IA64_PLTOFF64LSB	0x3f	/* word64 LSB	@pltoff(S + A) */
+#define R_IA64_FPTR64I		0x43	/* immediate64	@fptr(S + A) */
+#define R_IA64_FPTR32MSB	0x44	/* word32 MSB	@fptr(S + A) */
+#define R_IA64_FPTR32LSB	0x45	/* word32 LSB	@fptr(S + A) */
+#define R_IA64_FPTR64MSB	0x46	/* word64 MSB	@fptr(S + A) */
+#define R_IA64_FPTR64LSB	0x47	/* word64 LSB	@fptr(S + A) */
+#define R_IA64_PCREL21B		0x49	/* immediate21 form1 S + A - P */
+#define R_IA64_PCREL21M		0x4a	/* immediate21 form2 S + A - P */
+#define R_IA64_PCREL21F		0x4b	/* immediate21 form3 S + A - P */
+#define R_IA64_PCREL32MSB	0x4c	/* word32 MSB	S + A - P */
+#define R_IA64_PCREL32LSB	0x4d	/* word32 LSB	S + A - P */
+#define R_IA64_PCREL64MSB	0x4e	/* word64 MSB	S + A - P */
+#define R_IA64_PCREL64LSB	0x4f	/* word64 LSB	S + A - P */
+#define R_IA64_LTOFF_FPTR22	0x52	/* immediate22	@ltoff(@fptr(S + A)) */
+#define R_IA64_LTOFF_FPTR64I	0x53	/* immediate64	@ltoff(@fptr(S + A)) */
+#define R_IA64_LTOFF_FPTR32MSB	0x54	/* word32 MSB	@ltoff(@fptr(S + A)) */
+#define R_IA64_LTOFF_FPTR32LSB	0x55	/* word32 LSB	@ltoff(@fptr(S + A)) */
+#define R_IA64_LTOFF_FPTR64MSB	0x56	/* word64 MSB	@ltoff(@fptr(S + A)) */
+#define R_IA64_LTOFF_FPTR64LSB	0x57	/* word64 LSB	@ltoff(@fptr(S + A)) */
+#define R_IA64_SEGREL32MSB	0x5c	/* word32 MSB	@segrel(S + A) */
+#define R_IA64_SEGREL32LSB	0x5d	/* word32 LSB	@segrel(S + A) */
+#define R_IA64_SEGREL64MSB	0x5e	/* word64 MSB	@segrel(S + A) */
+#define R_IA64_SEGREL64LSB	0x5f	/* word64 LSB	@segrel(S + A) */
+#define R_IA64_SECREL32MSB	0x64	/* word32 MSB	@secrel(S + A) */
+#define R_IA64_SECREL32LSB	0x65	/* word32 LSB	@secrel(S + A) */
+#define R_IA64_SECREL64MSB	0x66	/* word64 MSB	@secrel(S + A) */
+#define R_IA64_SECREL64LSB	0x67	/* word64 LSB	@secrel(S + A) */
+#define R_IA64_REL32MSB		0x6c	/* word32 MSB	BD + A */
+#define R_IA64_REL32LSB		0x6d	/* word32 LSB	BD + A */
+#define R_IA64_REL64MSB		0x6e	/* word64 MSB	BD + A */
+#define R_IA64_REL64LSB		0x6f	/* word64 LSB	BD + A */
+#define R_IA64_LTV32MSB		0x74	/* word32 MSB	S + A */
+#define R_IA64_LTV32LSB		0x75	/* word32 LSB	S + A */
+#define R_IA64_LTV64MSB		0x76	/* word64 MSB	S + A */
+#define R_IA64_LTV64LSB		0x77	/* word64 LSB	S + A */
+#define R_IA64_IPLTMSB		0x80	/* function descriptor MSB special */
+#define R_IA64_IPLTLSB		0x81	/* function descriptor LSB speciaal */
+#define R_IA64_SUB		0x85	/* immediate64	A - S */
+#define R_IA64_LTOFF22X		0x86	/* immediate22	special */
+#define R_IA64_LDXMOV		0x87	/* immediate22	special */
+
+/* Define "machine" characteristics */
+#define ELF_TARG_CLASS	ELFCLASS64
+#define ELF_TARG_DATA	ELFDATA2LSB
+#define ELF_TARG_MACH	EM_IA_64
+#define ELF_TARG_VER	1
+
+#ifdef _KERNEL
+
+/*
+ * On the ia64 we load the dynamic linker where a userland call
+ * to mmap(0, ...) would put it.  The rationale behind this
+ * calculation is that it leaves room for the heap to grow to
+ * its maximum allowed size.
+ */
+#define ELF_RTLD_ADDR(vmspace) \
+    (round_page((vm_offset_t)(vmspace)->vm_daddr + MAXDSIZ))
+
+#endif /* _KERNEL */
+#endif /* !_MACHINE_ELF_H_ */