gpxe: delete long since obsolete snapshot of gPXE

gPXE has been deprecated in favor of iPXE for many, many years now.
It is much better than users get it directly from the iPXE project,
since we should no longer need any special modifications for Syslinux
use.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

5 files changed, 0 insertions, 584 deletions

diff --git a/gpxe/src/image/efi_image.c b/gpxe/src/image/efi_image.c
deleted file mode 100644
index 60d150a9..00000000
--- a/gpxe/src/image/efi_image.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (C) 2008 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-#include <errno.h>
-#include <gpxe/efi/efi.h>
-#include <gpxe/image.h>
-#include <gpxe/features.h>
-
-FEATURE ( FEATURE_IMAGE, "EFI", DHCP_EB_FEATURE_EFI, 1 );
-
-struct image_type efi_image_type __image_type ( PROBE_NORMAL );
-
-/**
- * Execute EFI image
- *
- * @v image		EFI image
- * @ret rc		Return status code
- */
-static int efi_image_exec ( struct image *image ) {
-	EFI_BOOT_SERVICES *bs = efi_systab->BootServices;
-	EFI_HANDLE handle;
-	UINTN exit_data_size;
-	CHAR16 *exit_data;
-	EFI_STATUS efirc;
-
-	/* Attempt loading image */
-	if ( ( efirc = bs->LoadImage ( FALSE, efi_image_handle, NULL,
-				       user_to_virt ( image->data, 0 ),
-				       image->len, &handle ) ) != 0 ) {
-		/* Not an EFI image */
-		DBGC ( image, "EFIIMAGE %p could not load: %s\n",
-		       image, efi_strerror ( efirc ) );
-		return -ENOEXEC;
-	}
-
-	/* Start the image */
-	if ( ( efirc = bs->StartImage ( handle, &exit_data_size,
-					&exit_data ) ) != 0 ) {
-		DBGC ( image, "EFIIMAGE %p returned with status %s\n",
-		       image, efi_strerror ( efirc ) );
-		goto done;
-	}
-
- done:
-	/* Unload the image.  We can't leave it loaded, because we
-	 * have no "unload" operation.
-	 */
-	bs->UnloadImage ( handle );
-
-	return EFIRC_TO_RC ( efirc );
-}
-
-/**
- * Load EFI image into memory
- *
- * @v image		EFI file
- * @ret rc		Return status code
- */
-static int efi_image_load ( struct image *image ) {
-	EFI_BOOT_SERVICES *bs = efi_systab->BootServices;
-	EFI_HANDLE handle;
-	EFI_STATUS efirc;
-
-	/* Attempt loading image */
-	if ( ( efirc = bs->LoadImage ( FALSE, efi_image_handle, NULL,
-				       user_to_virt ( image->data, 0 ),
-				       image->len, &handle ) ) != 0 ) {
-		/* Not an EFI image */
-		DBGC ( image, "EFIIMAGE %p could not load: %s\n",
-		       image, efi_strerror ( efirc ) );
-		return -ENOEXEC;
-	}
-
-	/* This is an EFI image */
-	if ( ! image->type )
-		image->type = &efi_image_type;
-
-	/* Unload the image.  We can't leave it loaded, because we
-	 * have no "unload" operation.
-	 */
-	bs->UnloadImage ( handle );
-
-	return 0;
-}
-
-/** EFI image type */
-struct image_type efi_image_type __image_type ( PROBE_NORMAL ) = {
-	.name = "EFI",
-	.load = efi_image_load,
-	.exec = efi_image_exec,
-};
diff --git a/gpxe/src/image/elf.c b/gpxe/src/image/elf.c
deleted file mode 100644
index a0ec065e..00000000
--- a/gpxe/src/image/elf.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-/**
- * @file
- *
- * ELF image format
- *
- * A "pure" ELF image is not a bootable image.  There are various
- * bootable formats based upon ELF (e.g. Multiboot), which share
- * common ELF-related functionality.
- */
-
-#include <errno.h>
-#include <elf.h>
-#include <gpxe/uaccess.h>
-#include <gpxe/segment.h>
-#include <gpxe/image.h>
-#include <gpxe/elf.h>
-
-typedef Elf32_Ehdr	Elf_Ehdr;
-typedef Elf32_Phdr	Elf_Phdr;
-typedef Elf32_Off	Elf_Off;
-
-/**
- * Load ELF segment into memory
- *
- * @v image		ELF file
- * @v phdr		ELF program header
- * @v ehdr		ELF executable header
- * @ret rc		Return status code
- */
-static int elf_load_segment ( struct image *image, Elf_Phdr *phdr,
-			      Elf_Ehdr *ehdr ) {
-	physaddr_t dest;
-	userptr_t buffer;
-	unsigned long e_offset;
-	int rc;
-
-	/* Do nothing for non-PT_LOAD segments */
-	if ( phdr->p_type != PT_LOAD )
-		return 0;
-
-	/* Check segment lies within image */
-	if ( ( phdr->p_offset + phdr->p_filesz ) > image->len ) {
-		DBGC ( image, "ELF %p segment outside image\n", image );
-		return -ENOEXEC;
-	}
-
-	/* Find start address: use physical address for preference,
-	 * fall back to virtual address if no physical address
-	 * supplied.
-	 */
-	dest = phdr->p_paddr;
-	if ( ! dest )
-		dest = phdr->p_vaddr;
-	if ( ! dest ) {
-		DBGC ( image, "ELF %p segment loads to physical address 0\n",
-		       image );
-		return -ENOEXEC;
-	}
-	buffer = phys_to_user ( dest );
-
-	DBGC ( image, "ELF %p loading segment [%x,%x) to [%x,%x,%x)\n", image,
-	       phdr->p_offset, ( phdr->p_offset + phdr->p_filesz ),
-	       phdr->p_paddr, ( phdr->p_paddr + phdr->p_filesz ),
-	       ( phdr->p_paddr + phdr->p_memsz ) );
-
-	/* Verify and prepare segment */
-	if ( ( rc = prep_segment ( buffer, phdr->p_filesz,
-				   phdr->p_memsz ) ) != 0 ) {
-		DBGC ( image, "ELF %p could not prepare segment: %s\n",
-		       image, strerror ( rc ) );
-		return rc;
-	}
-
-	/* Copy image to segment */
-	memcpy_user ( buffer, 0, image->data, phdr->p_offset, phdr->p_filesz );
-
-	/* Set execution address, if it lies within this segment */
-	if ( ( e_offset = ( ehdr->e_entry - dest ) ) < phdr->p_filesz ) {
-		image->priv.phys = ehdr->e_entry;
-		DBGC ( image, "ELF %p found physical entry point at %lx\n",
-		       image, image->priv.phys );
-	} else if ( ( e_offset = ( ehdr->e_entry - phdr->p_vaddr ) )
-		    < phdr->p_filesz ) {
-		if ( ! image->priv.phys ) {
-			image->priv.phys = ( dest + e_offset );
-			DBGC ( image, "ELF %p found virtual entry point at %lx"
-			       " (virt %lx)\n", image, image->priv.phys,
-			       ( ( unsigned long ) ehdr->e_entry ) );
-		}
-	}
-
-	return 0;
-}
-
-/**
- * Load ELF image into memory
- *
- * @v image		ELF file
- * @ret rc		Return status code
- */
-int elf_load ( struct image *image ) {
-	Elf_Ehdr ehdr;
-	Elf_Phdr phdr;
-	Elf_Off phoff;
-	unsigned int phnum;
-	int rc;
-
-	/* Image type must already have been set by caller */
-	assert ( image->type != NULL );
-
-	/* Read ELF header */
-	copy_from_user ( &ehdr, image->data, 0, sizeof ( ehdr ) );
-	if ( memcmp ( &ehdr.e_ident[EI_MAG0], ELFMAG, SELFMAG ) != 0 ) {
-		DBGC ( image, "ELF %p has invalid signature\n", image );
-		return -ENOEXEC;
-	}
-
-	/* Invalidate execution address */
-	image->priv.phys = 0;
-
-	/* Read ELF program headers */
-	for ( phoff = ehdr.e_phoff , phnum = ehdr.e_phnum ; phnum ;
-	      phoff += ehdr.e_phentsize, phnum-- ) {
-		if ( phoff > image->len ) {
-			DBGC ( image, "ELF %p program header %d outside "
-			       "image\n", image, phnum );
-			return -ENOEXEC;
-		}
-		copy_from_user ( &phdr, image->data, phoff, sizeof ( phdr ) );
-		if ( ( rc = elf_load_segment ( image, &phdr, &ehdr ) ) != 0 )
-			return rc;
-	}
-
-	/* Check for a valid execution address */
-	if ( ! image->priv.phys ) {
-		DBGC ( image, "ELF %p entry point %lx outside image\n",
-		       image, ( ( unsigned long ) ehdr.e_entry ) );
-		return -ENOEXEC;
-	}
-
-	return 0;
-}
diff --git a/gpxe/src/image/embedded.c b/gpxe/src/image/embedded.c
deleted file mode 100644
index 58a14ea4..00000000
--- a/gpxe/src/image/embedded.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/** @file
- *
- * Embedded image support
- *
- * Embedded images are images built into the gPXE binary and do not require
- * fetching over the network.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-#include <string.h>
-#include <gpxe/image.h>
-#include <gpxe/uaccess.h>
-#include <gpxe/init.h>
-
-/**
- * Free embedded image
- *
- * @v refcnt		Reference counter
- */
-static void __attribute__ (( unused ))
-embedded_image_free ( struct refcnt *refcnt __unused ) {
-	/* Do nothing */
-}
-
-/* Raw image data for all embedded images */
-#undef EMBED
-#define EMBED( _index, _path, _name )					\
-	extern char embedded_image_ ## _index ## _data[];		\
-	extern char embedded_image_ ## _index ## _len[];		\
-	__asm__ ( ".section \".rodata\", \"a\", @progbits\n\t"		\
-		  "\nembedded_image_" #_index "_data:\n\t"		\
-		  ".incbin \"" _path "\"\n\t"				\
-		  "\nembedded_image_" #_index "_end:\n\t"		\
-		  ".equ embedded_image_" #_index "_len, "		\
-			"( embedded_image_" #_index "_end - "		\
-			"  embedded_image_" #_index "_data )\n\t"	\
-		  ".previous\n\t" );
-EMBED_ALL
-
-/* Image structures for all embedded images */
-#undef EMBED
-#define EMBED( _index, _path, _name ) {					\
-	.refcnt = { .free = embedded_image_free, },			\
-	.name = _name,							\
-	.data = ( userptr_t ) ( embedded_image_ ## _index ## _data ),	\
-	.len = ( size_t ) embedded_image_ ## _index ## _len,		\
-},
-static struct image embedded_images[] = {
-	EMBED_ALL
-};
-
-/**
- * Register all embedded images
- */
-static void embedded_init ( void ) {
-	int i;
-	struct image *image;
-	void *data;
-	int rc;
-
-	/* Skip if we have no embedded images */
-	if ( ! sizeof ( embedded_images ) )
-		return;
-
-	/* Fix up data pointers and register images */
-	for ( i = 0 ; i < ( int ) ( sizeof ( embedded_images ) /
-				    sizeof ( embedded_images[0] ) ) ; i++ ) {
-		image = &embedded_images[i];
-
-		/* virt_to_user() cannot be used in a static
-		 * initialiser, so we cast the pointer to a userptr_t
-		 * in the initialiser and fix it up here.  (This will
-		 * actually be a no-op on most platforms.)
-		 */
-		data = ( ( void * ) image->data );
-		image->data = virt_to_user ( data );
-
-		DBG ( "Embedded image \"%s\": %zd bytes at %p\n",
-		      image->name, image->len, data );
-
-		if ( ( rc = register_image ( image ) ) != 0 ) {
-			DBG ( "Could not register embedded image \"%s\": "
-			      "%s\n", image->name, strerror ( rc ) );
-			return;
-		}
-	}
-
-	/* Load the first image */
-	image = &embedded_images[0];
-	if ( ( rc = image_autoload ( image ) ) != 0 ) {
-		DBG ( "Could not load embedded image \"%s\": %s\n",
-		      image->name, strerror ( rc ) );
-		return;
-	}
-}
-
-/** Embedded image initialisation function */
-struct init_fn embedded_init_fn __init_fn ( INIT_NORMAL ) = {
-	.initialise = embedded_init,
-};
diff --git a/gpxe/src/image/script.c b/gpxe/src/image/script.c
deleted file mode 100644
index 0835ecb5..00000000
--- a/gpxe/src/image/script.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-/**
- * @file
- *
- * gPXE scripts
- *
- */
-
-#include <string.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <errno.h>
-#include <gpxe/image.h>
-
-struct image_type script_image_type __image_type ( PROBE_NORMAL );
-
-/**
- * Execute script
- *
- * @v image		Script
- * @ret rc		Return status code
- */
-static int script_exec ( struct image *image ) {
-	size_t offset = 0;
-	off_t eol;
-	size_t len;
-	int rc;
-
-	/* Temporarily de-register image, so that a "boot" command
-	 * doesn't throw us into an execution loop.
-	 */
-	unregister_image ( image );
-
-	while ( offset < image->len ) {
-	
-		/* Find length of next line, excluding any terminating '\n' */
-		eol = memchr_user ( image->data, offset, '\n',
-				    ( image->len - offset ) );
-		if ( eol < 0 )
-			eol = image->len;
-		len = ( eol - offset );
-
-		/* Copy line, terminate with NUL, and execute command */
-		{
-			char cmdbuf[ len + 1 ];
-
-			copy_from_user ( cmdbuf, image->data, offset, len );
-			cmdbuf[len] = '\0';
-			DBG ( "$ %s\n", cmdbuf );
-			if ( ( rc = system ( cmdbuf ) ) != 0 ) {
-				DBG ( "Command \"%s\" failed: %s\n",
-				      cmdbuf, strerror ( rc ) );
-				goto done;
-			}
-		}
-		
-		/* Move to next line */
-		offset += ( len + 1 );
-	}
-
-	rc = 0;
- done:
-	/* Re-register image and return */
-	register_image ( image );
-	return rc;
-}
-
-/**
- * Load script into memory
- *
- * @v image		Script
- * @ret rc		Return status code
- */
-static int script_load ( struct image *image ) {
-	static const char magic[] = "#!gpxe";
-	char test[ sizeof ( magic ) - 1 /* NUL */ + 1 /* terminating space */];
-
-	/* Sanity check */
-	if ( image->len < sizeof ( test ) ) {
-		DBG ( "Too short to be a script\n" );
-		return -ENOEXEC;
-	}
-
-	/* Check for magic signature */
-	copy_from_user ( test, image->data, 0, sizeof ( test ) );
-	if ( ( memcmp ( test, magic, ( sizeof ( test ) - 1 ) ) != 0 ) ||
-	     ! isspace ( test[ sizeof ( test ) - 1 ] ) ) {
-		DBG ( "Invalid magic signature\n" );
-		return -ENOEXEC;
-	}
-
-	/* This is a script */
-	image->type = &script_image_type;
-
-	/* We don't actually load it anywhere; we will pick the lines
-	 * out of the image as we need them.
-	 */
-
-	return 0;
-}
-
-/** Script image type */
-struct image_type script_image_type __image_type ( PROBE_NORMAL ) = {
-	.name = "script",
-	.load = script_load,
-	.exec = script_exec,
-};
diff --git a/gpxe/src/image/segment.c b/gpxe/src/image/segment.c
deleted file mode 100644
index e2474536..00000000
--- a/gpxe/src/image/segment.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-/**
- * @file
- *
- * Executable image segments
- *
- */
-
-#include <errno.h>
-#include <gpxe/uaccess.h>
-#include <gpxe/memmap.h>
-#include <gpxe/errortab.h>
-#include <gpxe/segment.h>
-
-/**
- * Prepare segment for loading
- *
- * @v segment		Segment start
- * @v filesz		Size of the "allocated bytes" portion of the segment
- * @v memsz		Size of the segment
- * @ret rc		Return status code
- */
-int prep_segment ( userptr_t segment, size_t filesz, size_t memsz ) {
-	struct memory_map memmap;
-	physaddr_t start = user_to_phys ( segment, 0 );
-	physaddr_t mid = user_to_phys ( segment, filesz );
-	physaddr_t end = user_to_phys ( segment, memsz );
-	unsigned int i;
-
-	DBG ( "Preparing segment [%lx,%lx,%lx)\n", start, mid, end );
-
-	/* Sanity check */
-	if ( filesz > memsz ) {
-		DBG ( "Insane segment [%lx,%lx,%lx)\n", start, mid, end );
-		return -EINVAL;
-	}
-
-	/* Get a fresh memory map.  This allows us to automatically
-	 * avoid treading on any regions that Etherboot is currently
-	 * editing out of the memory map.
-	 */
-	get_memmap ( &memmap );
-
-	/* Look for a suitable memory region */
-	for ( i = 0 ; i < memmap.count ; i++ ) {
-		if ( ( start >= memmap.regions[i].start ) &&
-		     ( end <= memmap.regions[i].end ) ) {
-			/* Found valid region: zero bss and return */
-			memset_user ( segment, filesz, 0, ( memsz - filesz ) );
-			return 0;
-		}
-	}
-
-	/* No suitable memory region found */
-	DBG ( "Segment [%lx,%lx,%lx) does not fit into available memory\n",
-	      start, mid, end );
-	return -ERANGE;
-}
-
-/**
- * Segment-specific error messages
- *
- * This error happens sufficiently often to merit a user-friendly
- * description.
- */
-struct errortab segment_errors[] __errortab = {
-	{ ERANGE, "Requested memory not available" },
-};