Initial import of qemu-2.4.1HEADmaster

3 files changed, 551 insertions, 0 deletions

diff --git a/roms/ipxe/src/arch/i386/scripts/i386-kir.lds b/roms/ipxe/src/arch/i386/scripts/i386-kir.lds
new file mode 100644
index 00000000..66bf804e
--- /dev/null
+++ b/roms/ipxe/src/arch/i386/scripts/i386-kir.lds
@@ -0,0 +1,202 @@
+/* -*- sh -*- */
+
+/*
+ * Linker script for i386 images
+ *
+ */
+
+OUTPUT_FORMAT ( "elf32-i386", "elf32-i386", "elf32-i386" )
+OUTPUT_ARCH ( i386 )
+
+SECTIONS {
+
+    /* All sections in the resulting file have consecutive load
+     * addresses, but may have individual link addresses depending on
+     * the memory model being used.
+     *
+     * The linker symbols _prefix_link_addr, load_addr, and
+     * _max_align may be specified explicitly.  If not specified, they
+     * will default to:
+     *
+     *   _prefix_link_addr	= 0
+     *   _load_addr		= 0
+     *   _max_align		= 16
+     * 
+     * We guarantee alignment of virtual addresses to any alignment
+     * specified by the constituent object files (e.g. via
+     * __attribute__((aligned(x)))).  Load addresses are guaranteed
+     * only up to _max_align.  Provided that all loader and relocation
+     * code honours _max_align, this means that physical addresses are
+     * also guaranteed up to _max_align.
+     *
+     * Note that when using -DKEEP_IT_REAL, the UNDI segments are only
+     * guaranteed to be loaded on a paragraph boundary (i.e. 16-byte
+     * alignment).  Using _max_align>16 will therefore not guarantee
+     * >16-byte alignment of physical addresses when -DKEEP_IT_REAL is
+     * used (though virtual addresses will still be fully aligned).
+     *
+     */
+
+    /*
+     * The prefix
+     */
+
+    _prefix_link_addr = DEFINED ( _prefix_link_addr ) ? _prefix_link_addr : 0;
+    . = _prefix_link_addr;
+    _prefix = .;
+
+    .prefix : AT ( _prefix_load_offset + __prefix ) {
+	__prefix = .;
+	_entry = .;
+	*(.prefix)
+	*(.prefix.*)
+	_eprefix_progbits = .;
+    }
+    
+    _eprefix = .;
+
+    /*
+     * The 16-bit sections
+     */
+
+    _text16_link_addr = 0;
+    . = _text16_link_addr;
+    _text16 = .;
+
+    . += 1;			/* Prevent NULL being valid */
+
+    .text16 : AT ( _text16_load_offset + __text16 ) {
+	__text16 = .;
+	KEEP(*(.text.null_trap))
+	KEEP(*(.text.null_trap.*))
+	*(.text16)
+	*(.text16.*)
+	*(.text)
+	*(.text.*)
+	_etext16_progbits = .;
+    } = 0x9090
+
+    _etext16 = .;
+
+    _data16_link_addr = 0;
+    . = _data16_link_addr;
+    _data16 = .;
+
+    . += 1;			/* Prevent NULL being valid */
+
+    .rodata16 : AT ( _data16_load_offset + __rodata16 ) {
+	__rodata16 = .;
+	*(.rodata16)
+	*(.rodata16.*)
+	*(.rodata)
+	*(.rodata.*)
+    }
+    .data16 : AT ( _data16_load_offset + __data16 ) {
+	__data16 = .;
+	*(.data16)
+	*(.data16.*)
+	*(.data)
+	*(.data.*)
+	KEEP(*(SORT(.tbl.*)))	/* Various tables.  See include/tables.h */
+	KEEP(*(.provided))
+	KEEP(*(.provided.*))
+	_edata16_progbits = .;
+    }
+    .bss16 : AT ( _data16_load_offset + __bss16 ) {
+	__bss16 = .;
+	_bss16 = .;
+	*(.bss16)
+	*(.bss16.*)
+	*(.bss)
+	*(.bss.*)
+	*(COMMON)
+	_ebss16 = .;
+    }
+    .stack16 : AT ( _data16_load_offset + __stack16 ) {
+	__stack16 = .;
+	*(.stack16)
+	*(.stack16.*)
+	*(.stack)
+	*(.stack.*)
+    }
+
+    _edata16 = .;
+
+    _end = .;
+
+    /*
+     * Dispose of the comment and note sections to make the link map
+     * easier to read
+     */
+
+    /DISCARD/ : {
+	*(.comment)
+	*(.comment.*)
+	*(.note)
+	*(.note.*)
+	*(.discard)
+	*(.discard.*)
+    }
+
+    /*
+     * Load address calculations.  The slightly obscure nature of the
+     * calculations is because ALIGN(x) can only operate on the
+     * location counter.
+     */
+
+    _max_align		    = DEFINED ( _max_align ) ? _max_align : 16;
+    _load_addr		    = DEFINED ( _load_addr ) ? _load_addr : 0;
+
+    .			    = _load_addr;
+
+    .			   -= _prefix_link_addr;
+    _prefix_load_offset	    = ALIGN ( _max_align );
+    _prefix_load_addr	    = _prefix_link_addr + _prefix_load_offset;
+    _prefix_size	    = _eprefix - _prefix;
+    _prefix_progbits_size   = _eprefix_progbits - _prefix;
+    .			    = _prefix_load_addr + _prefix_progbits_size;
+
+    .			   -= _text16_link_addr;
+    _text16_load_offset	    = ALIGN ( _max_align );
+    _text16_load_addr	    = _text16_link_addr + _text16_load_offset;
+    _text16_size	    = _etext16 - _text16;
+    _text16_progbits_size   = _etext16_progbits - _text16;
+    .			    = _text16_load_addr + _text16_progbits_size;
+
+    .			   -= _data16_link_addr;
+    _data16_load_offset	    = ALIGN ( _max_align );
+    _data16_load_addr	    = _data16_link_addr + _data16_load_offset;
+    _data16_size	    = _edata16 - _data16;
+    _data16_progbits_size   = _edata16_progbits - _data16;
+    .			    = _data16_load_addr + _data16_progbits_size;
+
+    .			    = ALIGN ( _max_align );
+
+    _load_size		    = . - _load_addr;
+
+    /*
+     * Alignment checks.  ALIGN() can only operate on the location
+     * counter, so we set the location counter to each value we want
+     * to check.
+     */
+
+    . = _prefix_load_addr - _prefix_link_addr;
+    _assert = ASSERT ( ( . == ALIGN ( _max_align ) ),
+		       "_prefix is badly aligned" );
+
+    . = _text16_load_addr - _text16_link_addr;
+    _assert = ASSERT ( ( . == ALIGN ( _max_align ) ),
+		       "_text16 is badly aligned" );
+
+    . = _data16_load_addr - _data16_link_addr;
+    _assert = ASSERT ( ( . == ALIGN ( _max_align ) ),
+		       "_data16 is badly aligned" );
+
+    /*
+     * Values calculated to save code from doing it
+     */
+    _text16_size_pgh	= ( ( _text16_size + 15 ) / 16 );
+    _data16_size_pgh	= ( ( _data16_size + 15 ) / 16 );
+    _load_size_pgh	= ( ( _load_size + 15 ) / 16 );
+    _load_size_sect	= ( ( _load_size + 511 ) / 512 );
+}
diff --git a/roms/ipxe/src/arch/i386/scripts/i386.lds b/roms/ipxe/src/arch/i386/scripts/i386.lds
new file mode 100644
index 00000000..98f95cb2
--- /dev/null
+++ b/roms/ipxe/src/arch/i386/scripts/i386.lds
@@ -0,0 +1,245 @@
+/* -*- ld-script -*- */
+
+/*
+ * Linker script for i386 images
+ *
+ */
+
+SECTIONS {
+
+    /* Each section starts at a virtual address of zero.
+     *
+     * We guarantee alignment of virtual addresses to any alignment
+     * specified by the constituent object files (e.g. via
+     * __attribute__((aligned(x)))).  Load addresses are guaranteed
+     * only up to _max_align.  Provided that all loader and relocation
+     * code honours _max_align, this means that physical addresses are
+     * also guaranteed up to _max_align.
+     *
+     * Note that when using -DKEEP_IT_REAL, the UNDI segments are only
+     * guaranteed to be loaded on a paragraph boundary (i.e. 16-byte
+     * alignment).  Using _max_align>16 will therefore not guarantee
+     * >16-byte alignment of physical addresses when -DKEEP_IT_REAL is
+     * used (though virtual addresses will still be fully aligned).
+     *
+     */
+
+    PROVIDE ( _max_align = 16 );
+
+    /*
+     * The prefix
+     *
+     */
+
+    .prefix 0x0 : AT ( _prefix_lma ) {
+	_prefix = .;
+	*(.prefix)
+	*(.prefix.*)
+	_mprefix = .;
+    } .bss.prefix (NOLOAD) : AT ( _end_lma ) {
+	_eprefix = .;
+    }
+    _prefix_filesz	= ABSOLUTE ( _mprefix ) - ABSOLUTE ( _prefix );
+    _prefix_memsz	= ABSOLUTE ( _eprefix ) - ABSOLUTE ( _prefix );
+
+    /*
+     * The 16-bit (real-mode) code section
+     *
+     */
+
+    .text16.early 0x0 : AT ( _text16_early_lma ) {
+	_text16 = .;
+	KEEP(*(.text16.null))
+	KEEP(*(.text16.null.*))
+	. += 1;				/* Prevent NULL being valid */
+	*(.text16.early)
+	*(.text16.early.*)
+	_etext16_early = .;
+    } .text16.late ALIGN ( _max_align ) : AT ( _text16_late_lma ) {
+	_text16_late = .;
+	*(.text16)
+	*(.text16.*)
+	_mtext16 = .;
+    } .bss.text16 (NOLOAD) : AT ( _end_lma ) {
+	_etext16 = .;
+    }
+    _text16_early_filesz = ABSOLUTE ( _etext16_early ) - ABSOLUTE ( _text16 );
+    _text16_early_memsz	= ABSOLUTE ( _etext16_early ) - ABSOLUTE ( _text16 );
+    _text16_late_filesz	= ABSOLUTE ( _mtext16 ) - ABSOLUTE ( _text16_late );
+    _text16_late_memsz	= ABSOLUTE ( _etext16 ) - ABSOLUTE ( _text16_late );
+    _text16_memsz	= ABSOLUTE ( _etext16 ) - ABSOLUTE ( _text16 );
+
+    /*
+     * The 16-bit (real-mode) data section
+     *
+     */
+
+    .data16 0x0 : AT ( _data16_lma ) {
+	_data16 = .;
+	. += 1;				/* Prevent NULL being valid */
+	*(.rodata16)
+	*(.rodata16.*)
+	*(.data16)
+	*(.data16.*)
+	_mdata16 = .;
+    } .bss.data16 (NOLOAD) : AT ( _end_lma ) {
+	*(.bss16)
+	*(.bss16.*)
+	*(.stack16)
+	*(.stack16.*)
+	_edata16 = .;
+    }
+    _data16_filesz	= ABSOLUTE ( _mdata16 ) - ABSOLUTE ( _data16 );
+    _data16_memsz	= ABSOLUTE ( _edata16 ) - ABSOLUTE ( _data16 );
+
+    /*
+     * The 32-bit sections
+     *
+     */
+
+    .textdata 0x0 : AT ( _textdata_lma ) {
+	_textdata = .;
+	KEEP(*(.text.null_trap))
+	KEEP(*(.text.null_trap.*))
+	. += 1;				/* Prevent NULL being valid */
+	*(.text)
+	*(.text.*)
+	*(.rodata)
+	*(.rodata.*)
+	*(.data)
+	*(.data.*)
+	KEEP(*(SORT(.tbl.*)))	/* Various tables.  See include/tables.h */
+	KEEP(*(.provided))
+	KEEP(*(.provided.*))
+	_mtextdata = .;
+    } .bss.textdata (NOLOAD) : AT ( _end_lma ) {
+	*(.bss)
+	*(.bss.*)
+	*(COMMON)
+	*(.stack)
+	*(.stack.*)
+	_etextdata = .;
+    }
+    _textdata_filesz	= ABSOLUTE ( _mtextdata ) - ABSOLUTE ( _textdata );
+    _textdata_memsz	= ABSOLUTE ( _etextdata ) - ABSOLUTE ( _textdata );
+
+    /*
+     * Payload prefix
+     *
+     * If present, this will be placed between .text16.early and .text16.late.
+     *
+     */
+    .pprefix 0x0 : AT ( _pprefix_lma ) {
+	_pprefix = .;
+	KEEP(*(.pprefix))
+	KEEP(*(.pprefix.*))
+	_mpprefix = .;
+    } .bss.pprefix (NOLOAD) : AT ( _end_lma ) {
+	_epprefix = .;
+    }
+    _pprefix_filesz	= ABSOLUTE ( _mpprefix ) - ABSOLUTE ( _pprefix );
+    _pprefix_memsz	= ABSOLUTE ( _epprefix ) - ABSOLUTE ( _pprefix );
+
+    /*
+     * Compressor information block
+     *
+     */
+
+    .zinfo 0x0 : AT ( _zinfo_lma ) {
+	_zinfo = .;
+	KEEP(*(.zinfo))
+	KEEP(*(.zinfo.*))
+	_mzinfo = .;
+    } .bss.zinfo (NOLOAD) : AT ( _end_lma ) {
+	_ezinfo = .;
+    }
+    _zinfo_filesz	= ABSOLUTE ( _mzinfo ) - ABSOLUTE ( _zinfo );
+    _zinfo_memsz	= ABSOLUTE ( _ezinfo ) - ABSOLUTE ( _zinfo );
+
+    /*
+     * Weak symbols that need zero values if not otherwise defined
+     *
+     */
+
+    .weak 0x0 : AT ( _end_lma ) {
+	_weak = .;
+	*(.weak)
+	*(.weak.*)
+	_eweak = .;
+    }
+    _assert = ASSERT ( ( _weak == _eweak ), ".weak is non-zero length" );
+
+    /*
+     * Dispose of the comment and note sections to make the link map
+     * easier to read
+     *
+     */
+
+    /DISCARD/ : {
+	*(.comment)
+	*(.comment.*)
+	*(.note)
+	*(.note.*)
+	*(.eh_frame)
+	*(.eh_frame.*)
+	*(.rel)
+	*(.rel.*)
+	*(.einfo)
+	*(.einfo.*)
+	*(.discard)
+	*(.discard.*)
+    }
+
+    /*
+     * Load address calculations.  In older versions of ld, ALIGN()
+     * can operate only on the location counter, so we use that.
+     *
+     */
+
+    .			= 0;
+
+    .			= ALIGN ( _max_align );
+    _prefix_lma		= .;
+    .			+= _prefix_filesz;
+
+    .			= ALIGN ( _max_align );
+    _text16_early_lma	= .;
+    .			+= _text16_early_filesz;
+
+    .			= ALIGN ( _max_align );
+    .			= ALIGN ( _payload_align );
+    _pprefix_lma	= .;
+    .			+= _pprefix_filesz;
+
+    .			= ALIGN ( _max_align );
+    _payload_lma	= .;
+    _pprefix_skip	= ABSOLUTE ( _payload_lma ) - ABSOLUTE ( _pprefix_lma );
+    _text16_late_lma	= .;
+    .			+= _text16_late_filesz;
+
+    .			= ALIGN ( _max_align );
+    _data16_lma		= .;
+    .			+= _data16_filesz;
+
+    .			= ALIGN ( _max_align );
+    _textdata_lma	= .;
+    .			+= _textdata_filesz;
+
+    _filesz		= .; /* Do not include zinfo block in file size */
+
+    .			= ALIGN ( _max_align );
+    _zinfo_lma		= .;
+    .			+= _zinfo_filesz;
+
+    .			= ALIGN ( _max_align );
+    _end_lma		= .;
+
+    /*
+     * Values calculated to save code from doing it
+     *
+     */
+    _text16_memsz_pgh	= ( ( _text16_memsz + 15 ) / 16 );
+    _data16_memsz_pgh	= ( ( _data16_memsz + 15 ) / 16 );
+    _textdata_memsz_pgh	= ( ( _textdata_memsz + 15 ) / 16 );
+    _textdata_memsz_kb	= ( ( _textdata_memsz + 1023 ) / 1024 );
+}
diff --git a/roms/ipxe/src/arch/i386/scripts/linux.lds b/roms/ipxe/src/arch/i386/scripts/linux.lds
new file mode 100644
index 00000000..9f2eeaf3
--- /dev/null
+++ b/roms/ipxe/src/arch/i386/scripts/linux.lds
@@ -0,0 +1,104 @@
+/* -*- sh -*- */
+
+/*
+ * Linker script for i386 Linux images
+ *
+ */
+
+OUTPUT_FORMAT ( "elf32-i386", "elf32-i386", "elf32-i386" )
+OUTPUT_ARCH ( i386 )
+
+SECTIONS {
+	_max_align = 32;
+
+	. = 0x08048000;
+
+	/*
+	 * The text section
+	 *
+	 */
+
+	. = ALIGN ( _max_align );
+	.text : {
+		_text = .;
+		*(.text)
+		*(.text.*)
+		_etext = .;
+	}
+
+	/*
+	 * The rodata section
+	 *
+	 */
+
+	. = ALIGN ( _max_align );
+	.rodata : {
+		_rodata = .;
+		*(.rodata)
+		*(.rodata.*)
+		_erodata = .;
+	}
+
+	/*
+	 * The data section
+	 *
+	 * Adjust the address for the data segment.  We want to adjust up to
+	 * the same address within the page on the next page up.
+	 */
+
+	. = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1));
+	. = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
+	.data : {
+		_data = .;
+		*(.data)
+		*(.data.*)
+		KEEP(*(SORT(.tbl.*)))
+		KEEP(*(.provided))
+		KEEP(*(.provided.*))
+		_edata = .;
+	}
+
+	/*
+	 * The bss section
+	 *
+	 */
+
+	. = ALIGN ( _max_align );
+	.bss : {
+		_bss = .;
+		*(.bss)
+		*(.bss.*)
+		*(COMMON)
+		_ebss = .;
+	}
+
+	/*
+	 * Weak symbols that need zero values if not otherwise defined
+	 *
+	 */
+
+	.weak 0x0 : {
+		_weak = .;
+		*(.weak)
+		*(.weak.*)
+		_eweak = .;
+	}
+	_assert = ASSERT ( ( _weak == _eweak ), ".weak is non-zero length" );
+
+	/*
+	 * Dispose of the comment and note sections to make the link map
+	 * easier to read
+	 *
+	 */
+
+	/DISCARD/ : {
+		*(.comment)
+		*(.comment.*)
+		*(.note)
+		*(.note.*)
+		*(.rel)
+		*(.rel.*)
+		*(.discard)
+		*(.discard.*)
+	}
+}