From 437fd90c0250dee670290f9b714253671a990160 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Wed, 18 May 2016 13:18:31 +0300 Subject: These changes are the raw update to qemu-2.6. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen --- qemu/roms/ipxe/src/arch/i386/image/bootsector.c | 6 ++- qemu/roms/ipxe/src/arch/i386/image/bzimage.c | 6 ++- qemu/roms/ipxe/src/arch/i386/image/elfboot.c | 39 ++++++++++++++++++- qemu/roms/ipxe/src/arch/i386/image/initrd.c | 6 ++- qemu/roms/ipxe/src/arch/i386/image/multiboot.c | 6 ++- qemu/roms/ipxe/src/arch/i386/image/pxe_image.c | 52 ++++++++++++++++++++++--- qemu/roms/ipxe/src/arch/i386/image/sdi.c | 6 ++- 7 files changed, 109 insertions(+), 12 deletions(-) (limited to 'qemu/roms/ipxe/src/arch/i386/image') diff --git a/qemu/roms/ipxe/src/arch/i386/image/bootsector.c b/qemu/roms/ipxe/src/arch/i386/image/bootsector.c index 9a089e6bb..dba87613c 100644 --- a/qemu/roms/ipxe/src/arch/i386/image/bootsector.c +++ b/qemu/roms/ipxe/src/arch/i386/image/bootsector.c @@ -15,9 +15,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); /** * @file diff --git a/qemu/roms/ipxe/src/arch/i386/image/bzimage.c b/qemu/roms/ipxe/src/arch/i386/image/bzimage.c index 4865c394c..a64206cd3 100644 --- a/qemu/roms/ipxe/src/arch/i386/image/bzimage.c +++ b/qemu/roms/ipxe/src/arch/i386/image/bzimage.c @@ -15,9 +15,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); /** * @file diff --git a/qemu/roms/ipxe/src/arch/i386/image/elfboot.c b/qemu/roms/ipxe/src/arch/i386/image/elfboot.c index 0f6957f02..dc3568929 100644 --- a/qemu/roms/ipxe/src/arch/i386/image/elfboot.c +++ b/qemu/roms/ipxe/src/arch/i386/image/elfboot.c @@ -15,9 +15,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include #include @@ -74,6 +78,27 @@ static int elfboot_exec ( struct image *image ) { return -ECANCELED; /* -EIMPOSSIBLE, anyone? */ } +/** + * Check that ELF segment uses flat physical addressing + * + * @v image ELF file + * @v phdr ELF program header + * @v dest Destination address + * @ret rc Return status code + */ +static int elfboot_check_segment ( struct image *image, Elf_Phdr *phdr, + physaddr_t dest ) { + + /* Check that ELF segment uses flat physical addressing */ + if ( phdr->p_vaddr != dest ) { + DBGC ( image, "ELF %p uses virtual addressing (phys %x, " + "virt %x)\n", image, phdr->p_paddr, phdr->p_vaddr ); + return -ENOEXEC; + } + + return 0; +} + /** * Probe ELF image * @@ -91,14 +116,24 @@ static int elfboot_probe ( struct image *image ) { [EI_DATA] = ELFDATA2LSB, [EI_VERSION] = EV_CURRENT, }; + physaddr_t entry; + physaddr_t max; + int rc; /* Read ELF header */ copy_from_user ( &ehdr, image->data, 0, sizeof ( ehdr ) ); if ( memcmp ( ehdr.e_ident, e_ident, sizeof ( e_ident ) ) != 0 ) { - DBG ( "Invalid ELF identifier\n" ); + DBGC ( image, "Invalid ELF identifier\n" ); return -ENOEXEC; } + /* Check that this image uses flat physical addressing */ + if ( ( rc = elf_segments ( image, &ehdr, elfboot_check_segment, + &entry, &max ) ) != 0 ) { + DBGC ( image, "Unloadable ELF image\n" ); + return rc; + } + return 0; } diff --git a/qemu/roms/ipxe/src/arch/i386/image/initrd.c b/qemu/roms/ipxe/src/arch/i386/image/initrd.c index eaba3a645..80c197417 100644 --- a/qemu/roms/ipxe/src/arch/i386/image/initrd.c +++ b/qemu/roms/ipxe/src/arch/i386/image/initrd.c @@ -15,9 +15,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include #include diff --git a/qemu/roms/ipxe/src/arch/i386/image/multiboot.c b/qemu/roms/ipxe/src/arch/i386/image/multiboot.c index 86b0bc12d..0c85df708 100644 --- a/qemu/roms/ipxe/src/arch/i386/image/multiboot.c +++ b/qemu/roms/ipxe/src/arch/i386/image/multiboot.c @@ -15,9 +15,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); /** * @file diff --git a/qemu/roms/ipxe/src/arch/i386/image/pxe_image.c b/qemu/roms/ipxe/src/arch/i386/image/pxe_image.c index dc28f6082..5b0f6eb89 100644 --- a/qemu/roms/ipxe/src/arch/i386/image/pxe_image.c +++ b/qemu/roms/ipxe/src/arch/i386/image/pxe_image.c @@ -15,9 +15,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); /** * @file @@ -34,6 +38,8 @@ FILE_LICENCE ( GPL2_OR_LATER ); #include #include #include +#include +#include FEATURE ( FEATURE_IMAGE, "PXE", DHCP_EB_FEATURE_PXE, 1 ); @@ -121,9 +127,45 @@ int pxe_probe ( struct image *image ) { return 0; } +/** + * Probe PXE image (with rejection of potential EFI images) + * + * @v image PXE file + * @ret rc Return status code + */ +int pxe_probe_no_mz ( struct image *image ) { + uint16_t magic; + int rc; + + /* Probe PXE image */ + if ( ( rc = pxe_probe ( image ) ) != 0 ) + return rc; + + /* Reject image with an "MZ" signature which may indicate an + * EFI image incorrectly handed out to a BIOS system. + */ + if ( image->len >= sizeof ( magic ) ) { + copy_from_user ( &magic, image->data, 0, sizeof ( magic ) ); + if ( magic == cpu_to_le16 ( EFI_IMAGE_DOS_SIGNATURE ) ) { + DBGC ( image, "IMAGE %p may be an EFI image\n", + image ); + return -ENOTTY; + } + } + + return 0; +} + /** PXE image type */ -struct image_type pxe_image_type __image_type ( PROBE_PXE ) = { - .name = "PXE", - .probe = pxe_probe, - .exec = pxe_exec, +struct image_type pxe_image_type[] __image_type ( PROBE_PXE ) = { + { + .name = "PXE-NBP", + .probe = pxe_probe_no_mz, + .exec = pxe_exec, + }, + { + .name = "PXE-NBP (may be EFI?)", + .probe = pxe_probe, + .exec = pxe_exec, + }, }; diff --git a/qemu/roms/ipxe/src/arch/i386/image/sdi.c b/qemu/roms/ipxe/src/arch/i386/image/sdi.c index df1c3a868..fa2d0b73f 100644 --- a/qemu/roms/ipxe/src/arch/i386/image/sdi.c +++ b/qemu/roms/ipxe/src/arch/i386/image/sdi.c @@ -15,9 +15,13 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. */ -FILE_LICENCE ( GPL2_OR_LATER ); +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include #include -- cgit 1.2.3-korg