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, 257 insertions, 0 deletions

diff --git a/sys/ia64/include/asm.h b/sys/ia64/include/asm.h
new file mode 100644
index 0000000..4d20be3
--- /dev/null
+++ b/sys/ia64/include/asm.h
@@ -0,0 +1,257 @@
+/* $FreeBSD$ */
+/* From: NetBSD: asm.h,v 1.18 1997/11/03 04:22:06 ross Exp */
+
+/* 
+ * Copyright (c) 1991,1990,1989,1994,1995,1996 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+/*
+ *	Assembly coding style
+ *
+ *	This file contains macros and register defines to
+ *	aid in writing more readable assembly code.
+ *	Some rules to make assembly code understandable by
+ *	a debugger are also noted.
+ *
+ *	The document
+ *
+ *		"ALPHA Calling Standard", DEC 27-Apr-90
+ *
+ *	defines (a superset of) the rules and conventions
+ *	we use.  While we make no promise of adhering to
+ *	such standard and its evolution (esp where we
+ *	can get faster code paths) it is certainly intended
+ *	that we be interoperable with such standard.
+ *
+ *	In this sense, this file is a proper part of the
+ *	definition of the (software) Alpha architecture.
+ */
+
+/*
+ * Macro to make a local label name.
+ */
+#define	LLABEL(name,num)	L ## name ## num
+
+/*
+ * MCOUNT
+ */
+
+#if !defined(GPROF) && !defined(PROF)
+#define MCOUNT	/* nothing */
+#else
+#define MCOUNT					\
+	.set noat;				\
+	jsr	at_reg,_mcount;			\
+	.set at
+#endif
+
+/*
+ * LEAF
+ *	Declare a global leaf function.
+ *	A leaf function does not call other functions.
+ */
+#define	LEAF(_name_, _n_args_)			\
+	.global	_name_;				\
+	.proc	_name_;				\
+_name_:;					\
+	.regstk	_n_args_, 0, 0, 0		\
+	MCOUNT
+
+#define	LEAF_NOPROFILE(_name_, _n_args_)	\
+	.global	_name_;				\
+	.proc	_name_;				\
+_name_:;					\
+	.regstk	_n_args_, 0, 0, 0
+
+/*
+ * STATIC_LEAF
+ *	Declare a local leaf function.
+ */
+#define STATIC_LEAF(_name_, _n_args_)		\
+	.proc	_name_;				\
+_name_:;					\
+	.regstk	_n_args_, 0, 0, 0		\
+	MCOUNT
+/*
+ * XLEAF
+ *	Global alias for a leaf function, or alternate entry point
+ */
+#define	XLEAF(_name_)				\
+	.globl	_name_;				\
+_name_:
+
+/*
+ * STATIC_XLEAF
+ *	Local alias for a leaf function, or alternate entry point
+ */
+#define	STATIC_XLEAF(_name_)			\
+_name_:
+
+/*
+ * NESTED
+ *	Declare a (global) nested function
+ *	A nested function calls other functions and needs
+ *	to use alloc to save registers.
+ */
+#define	NESTED(_name_,_n_args_,_n_locals_,_n_outputs_,			\
+	       _pfs_reg_,_rp_reg_)					\
+	.globl	_name_;							\
+	.proc	_name_;							\
+_name_:;								\
+	alloc	_pfs_reg_=ar.pfs,_n_args_,_n_locals_,_n_outputs_,0;;	\
+	mov	_rp_reg_=rp						\
+	MCOUNT
+
+#define	NESTED_NOPROFILE(_name_,_n_args_,_n_locals_,_n_outputs_,	\
+			 _pfs_reg_,_rp_reg_)				\
+	.globl	_name_;							\
+	.proc	_name_;							\
+_name_:;								\
+	alloc	_pfs_reg_=ar.pfs,_n_args_,_n_locals_,_n_outputs_,0;;	\
+	mov	_rp_reg_=rp
+
+/*
+ * STATIC_NESTED
+ *	Declare a local nested function.
+ */
+#define	STATIC_NESTED(_name_,_n_args_,_n_locals_,_n_outputs_,		\
+		      _pfs_reg_,_rp_reg_)				\
+	.proc	_name_;							\
+_name_:;								\
+	alloc	_pfs_reg_=ar.pfs,_n_args_,_n_locals_,_n_outputs_,0;;	\
+	mov	_rp_reg_=rp;;						\
+	MCOUNT
+
+/*
+ * XNESTED
+ *	Same as XLEAF, for a nested function.
+ */
+#define	XNESTED(_name_)				\
+	.globl	_name_;				\
+_name_:
+
+
+/*
+ * STATIC_XNESTED
+ *	Same as STATIC_XLEAF, for a nested function.
+ */
+#define	STATIC_XNESTED(_name_)			\
+_name_:
+
+
+/*
+ * END
+ *	Function delimiter
+ */
+#define	END(_name_)						\
+	.endp	_name_
+
+
+/*
+ * EXPORT
+ *	Export a symbol
+ */
+#define	EXPORT(_name_)						\
+	.global	_name_;						\
+_name_:
+
+
+/*
+ * IMPORT
+ *	Make an external name visible, typecheck the size
+ */
+#define	IMPORT(_name_, _size_)					\
+	/* .extern	_name_,_size_ */
+
+
+/*
+ * ABS
+ *	Define an absolute symbol
+ */
+#define	ABS(_name_, _value_)					\
+	.globl	_name_;						\
+_name_	=	_value_
+
+
+/*
+ * BSS
+ *	Allocate un-initialized space for a global symbol
+ */
+#define	BSS(_name_,_numbytes_)					\
+	.comm	_name_,_numbytes_
+
+
+/*
+ * MSG
+ *	Allocate space for a message (a read-only ascii string)
+ */
+#define	ASCIZ	.asciz
+#define	MSG(msg,reg,label)					\
+	lda reg, label;						\
+	.data;							\
+label:	ASCIZ msg;						\
+	.text;
+
+/*
+ * System call glue.
+ */
+#define	SYSCALLNUM(name)			\
+	SYS_ ## name
+
+#define	CALLSYS_NOERROR(name)			\
+	mov	r15=SYSCALLNUM(name);		\
+	break	0x100000 ;;
+
+/*
+ * WEAK_ALIAS: create a weak alias (ELF only).
+ */
+#ifdef __ELF__
+#define WEAK_ALIAS(alias,sym)					\
+	.weak alias;						\
+	alias = sym
+#endif
+
+/*
+ * Kernel RCS ID tag and copyright macros
+ */
+
+#ifdef _KERNEL
+
+#ifdef __ELF__
+#define	__KERNEL_SECTIONSTRING(_sec, _str)				\
+	.section _sec ; .asciz _str ; .text
+#else /* __ELF__ */
+#define	__KERNEL_SECTIONSTRING(_sec, _str)				\
+	.data ; .asciz _str ; .align 3 ; .text
+#endif /* __ELF__ */
+
+#define	__KERNEL_RCSID(_n, _s)		__KERNEL_SECTIONSTRING(.ident, _s)
+#define	__KERNEL_COPYRIGHT(_n, _s)	__KERNEL_SECTIONSTRING(.copyright, _s)
+
+#ifdef NO_KERNEL_RCSIDS
+#undef __KERNEL_RCSID
+#define	__KERNEL_RCSID(_n, _s)		/* nothing */
+#endif
+
+#endif /* _KERNEL */