--- /dev/null
+/*
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/**
+ * @file
+ *
+ * Linux bzImage image format
+ *
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+#include <realmode.h>
+#include <bzimage.h>
+#include <initrd.h>
+#include <ipxe/uaccess.h>
+#include <ipxe/image.h>
+#include <ipxe/segment.h>
+#include <ipxe/init.h>
+#include <ipxe/cpio.h>
+#include <ipxe/features.h>
+
+FEATURE ( FEATURE_IMAGE, "bzImage", DHCP_EB_FEATURE_BZIMAGE, 1 );
+
+/**
+ * bzImage context
+ */
+struct bzimage_context {
+ /** Boot protocol version */
+ unsigned int version;
+ /** Real-mode kernel portion load segment address */
+ unsigned int rm_kernel_seg;
+ /** Real-mode kernel portion load address */
+ userptr_t rm_kernel;
+ /** Real-mode kernel portion file size */
+ size_t rm_filesz;
+ /** Real-mode heap top (offset from rm_kernel) */
+ size_t rm_heap;
+ /** Command line (offset from rm_kernel) */
+ size_t rm_cmdline;
+ /** Command line maximum length */
+ size_t cmdline_size;
+ /** Real-mode kernel portion total memory size */
+ size_t rm_memsz;
+ /** Non-real-mode kernel portion load address */
+ userptr_t pm_kernel;
+ /** Non-real-mode kernel portion file and memory size */
+ size_t pm_sz;
+ /** Video mode */
+ unsigned int vid_mode;
+ /** Memory limit */
+ uint64_t mem_limit;
+ /** Initrd address */
+ physaddr_t ramdisk_image;
+ /** Initrd size */
+ physaddr_t ramdisk_size;
+
+ /** Command line magic block */
+ struct bzimage_cmdline cmdline_magic;
+ /** bzImage header */
+ struct bzimage_header bzhdr;
+};
+
+/**
+ * Parse bzImage header
+ *
+ * @v image bzImage file
+ * @v bzimg bzImage context
+ * @v src bzImage to parse
+ * @ret rc Return status code
+ */
+static int bzimage_parse_header ( struct image *image,
+ struct bzimage_context *bzimg,
+ userptr_t src ) {
+ unsigned int syssize;
+ int is_bzimage;
+
+ /* Sanity check */
+ if ( image->len < ( BZI_HDR_OFFSET + sizeof ( bzimg->bzhdr ) ) ) {
+ DBGC ( image, "bzImage %p too short for kernel header\n",
+ image );
+ return -ENOEXEC;
+ }
+
+ /* Read in header structures */
+ memset ( bzimg, 0, sizeof ( *bzimg ) );
+ copy_from_user ( &bzimg->cmdline_magic, src, BZI_CMDLINE_OFFSET,
+ sizeof ( bzimg->cmdline_magic ) );
+ copy_from_user ( &bzimg->bzhdr, src, BZI_HDR_OFFSET,
+ sizeof ( bzimg->bzhdr ) );
+
+ /* Calculate size of real-mode portion */
+ bzimg->rm_filesz = ( ( ( bzimg->bzhdr.setup_sects ?
+ bzimg->bzhdr.setup_sects : 4 ) + 1 ) << 9 );
+ if ( bzimg->rm_filesz > image->len ) {
+ DBGC ( image, "bzImage %p too short for %zd byte of setup\n",
+ image, bzimg->rm_filesz );
+ return -ENOEXEC;
+ }
+ bzimg->rm_memsz = BZI_ASSUMED_RM_SIZE;
+
+ /* Calculate size of protected-mode portion */
+ bzimg->pm_sz = ( image->len - bzimg->rm_filesz );
+ syssize = ( ( bzimg->pm_sz + 15 ) / 16 );
+
+ /* Check for signatures and determine version */
+ if ( bzimg->bzhdr.boot_flag != BZI_BOOT_FLAG ) {
+ DBGC ( image, "bzImage %p missing 55AA signature\n", image );
+ return -ENOEXEC;
+ }
+ if ( bzimg->bzhdr.header == BZI_SIGNATURE ) {
+ /* 2.00+ */
+ bzimg->version = bzimg->bzhdr.version;
+ } else {
+ /* Pre-2.00. Check that the syssize field is correct,
+ * as a guard against accepting arbitrary binary data,
+ * since the 55AA check is pretty lax. Note that the
+ * syssize field is unreliable for protocols between
+ * 2.00 and 2.03 inclusive, so we should not always
+ * check this field.
+ */
+ bzimg->version = 0x0100;
+ if ( bzimg->bzhdr.syssize != syssize ) {
+ DBGC ( image, "bzImage %p bad syssize %x (expected "
+ "%x)\n", image, bzimg->bzhdr.syssize, syssize );
+ return -ENOEXEC;
+ }
+ }
+
+ /* Determine image type */
+ is_bzimage = ( ( bzimg->version >= 0x0200 ) ?
+ ( bzimg->bzhdr.loadflags & BZI_LOAD_HIGH ) : 0 );
+
+ /* Calculate load address of real-mode portion */
+ bzimg->rm_kernel_seg = ( is_bzimage ? 0x1000 : 0x9000 );
+ bzimg->rm_kernel = real_to_user ( bzimg->rm_kernel_seg, 0 );
+
+ /* Allow space for the stack and heap */
+ bzimg->rm_memsz += BZI_STACK_SIZE;
+ bzimg->rm_heap = bzimg->rm_memsz;
+
+ /* Allow space for the command line */
+ bzimg->rm_cmdline = bzimg->rm_memsz;
+ bzimg->rm_memsz += BZI_CMDLINE_SIZE;
+
+ /* Calculate load address of protected-mode portion */
+ bzimg->pm_kernel = phys_to_user ( is_bzimage ? BZI_LOAD_HIGH_ADDR
+ : BZI_LOAD_LOW_ADDR );
+
+ /* Extract video mode */
+ bzimg->vid_mode = bzimg->bzhdr.vid_mode;
+
+ /* Extract memory limit */
+ bzimg->mem_limit = ( ( bzimg->version >= 0x0203 ) ?
+ bzimg->bzhdr.initrd_addr_max : BZI_INITRD_MAX );
+
+ /* Extract command line size */
+ bzimg->cmdline_size = ( ( bzimg->version >= 0x0206 ) ?
+ bzimg->bzhdr.cmdline_size : BZI_CMDLINE_SIZE );
+
+ DBGC ( image, "bzImage %p version %04x RM %#lx+%#zx PM %#lx+%#zx "
+ "cmdlen %zd\n", image, bzimg->version,
+ user_to_phys ( bzimg->rm_kernel, 0 ), bzimg->rm_filesz,
+ user_to_phys ( bzimg->pm_kernel, 0 ), bzimg->pm_sz,
+ bzimg->cmdline_size );
+
+ return 0;
+}
+
+/**
+ * Update bzImage header in loaded kernel
+ *
+ * @v image bzImage file
+ * @v bzimg bzImage context
+ * @v dst bzImage to update
+ */
+static void bzimage_update_header ( struct image *image,
+ struct bzimage_context *bzimg,
+ userptr_t dst ) {
+
+ /* Set loader type */
+ if ( bzimg->version >= 0x0200 )
+ bzimg->bzhdr.type_of_loader = BZI_LOADER_TYPE_IPXE;
+
+ /* Set heap end pointer */
+ if ( bzimg->version >= 0x0201 ) {
+ bzimg->bzhdr.heap_end_ptr = ( bzimg->rm_heap - 0x200 );
+ bzimg->bzhdr.loadflags |= BZI_CAN_USE_HEAP;
+ }
+
+ /* Set command line */
+ if ( bzimg->version >= 0x0202 ) {
+ bzimg->bzhdr.cmd_line_ptr = user_to_phys ( bzimg->rm_kernel,
+ bzimg->rm_cmdline );
+ } else {
+ bzimg->cmdline_magic.magic = BZI_CMDLINE_MAGIC;
+ bzimg->cmdline_magic.offset = bzimg->rm_cmdline;
+ if ( bzimg->version >= 0x0200 )
+ bzimg->bzhdr.setup_move_size = bzimg->rm_memsz;
+ }
+
+ /* Set video mode */
+ bzimg->bzhdr.vid_mode = bzimg->vid_mode;
+
+ /* Set initrd address */
+ if ( bzimg->version >= 0x0200 ) {
+ bzimg->bzhdr.ramdisk_image = bzimg->ramdisk_image;
+ bzimg->bzhdr.ramdisk_size = bzimg->ramdisk_size;
+ }
+
+ /* Write out header structures */
+ copy_to_user ( dst, BZI_CMDLINE_OFFSET, &bzimg->cmdline_magic,
+ sizeof ( bzimg->cmdline_magic ) );
+ copy_to_user ( dst, BZI_HDR_OFFSET, &bzimg->bzhdr,
+ sizeof ( bzimg->bzhdr ) );
+
+ DBGC ( image, "bzImage %p vidmode %d\n", image, bzimg->vid_mode );
+}
+
+/**
+ * Parse kernel command line for bootloader parameters
+ *
+ * @v image bzImage file
+ * @v bzimg bzImage context
+ * @v cmdline Kernel command line
+ * @ret rc Return status code
+ */
+static int bzimage_parse_cmdline ( struct image *image,
+ struct bzimage_context *bzimg,
+ const char *cmdline ) {
+ char *vga;
+ char *mem;
+
+ /* Look for "vga=" */
+ if ( ( vga = strstr ( cmdline, "vga=" ) ) ) {
+ vga += 4;
+ if ( strcmp ( vga, "normal" ) == 0 ) {
+ bzimg->vid_mode = BZI_VID_MODE_NORMAL;
+ } else if ( strcmp ( vga, "ext" ) == 0 ) {
+ bzimg->vid_mode = BZI_VID_MODE_EXT;
+ } else if ( strcmp ( vga, "ask" ) == 0 ) {
+ bzimg->vid_mode = BZI_VID_MODE_ASK;
+ } else {
+ bzimg->vid_mode = strtoul ( vga, &vga, 0 );
+ if ( *vga && ( *vga != ' ' ) ) {
+ DBGC ( image, "bzImage %p strange \"vga=\""
+ "terminator '%c'\n", image, *vga );
+ }
+ }
+ }
+
+ /* Look for "mem=" */
+ if ( ( mem = strstr ( cmdline, "mem=" ) ) ) {
+ mem += 4;
+ bzimg->mem_limit = strtoul ( mem, &mem, 0 );
+ switch ( *mem ) {
+ case 'G':
+ case 'g':
+ bzimg->mem_limit <<= 10;
+ case 'M':
+ case 'm':
+ bzimg->mem_limit <<= 10;
+ case 'K':
+ case 'k':
+ bzimg->mem_limit <<= 10;
+ break;
+ case '\0':
+ case ' ':
+ break;
+ default:
+ DBGC ( image, "bzImage %p strange \"mem=\" "
+ "terminator '%c'\n", image, *mem );
+ break;
+ }
+ bzimg->mem_limit -= 1;
+ }
+
+ return 0;
+}
+
+/**
+ * Set command line
+ *
+ * @v image bzImage image
+ * @v bzimg bzImage context
+ * @v cmdline Kernel command line
+ */
+static void bzimage_set_cmdline ( struct image *image,
+ struct bzimage_context *bzimg,
+ const char *cmdline ) {
+ size_t cmdline_len;
+
+ /* Copy command line down to real-mode portion */
+ cmdline_len = ( strlen ( cmdline ) + 1 );
+ if ( cmdline_len > bzimg->cmdline_size )
+ cmdline_len = bzimg->cmdline_size;
+ copy_to_user ( bzimg->rm_kernel, bzimg->rm_cmdline,
+ cmdline, cmdline_len );
+ DBGC ( image, "bzImage %p command line \"%s\"\n", image, cmdline );
+}
+
+/**
+ * Parse standalone image command line for cpio parameters
+ *
+ * @v image bzImage file
+ * @v cpio CPIO header
+ * @v cmdline Command line
+ */
+static void bzimage_parse_cpio_cmdline ( struct image *image,
+ struct cpio_header *cpio,
+ const char *cmdline ) {
+ char *arg;
+ char *end;
+ unsigned int mode;
+
+ /* Look for "mode=" */
+ if ( ( arg = strstr ( cmdline, "mode=" ) ) ) {
+ arg += 5;
+ mode = strtoul ( arg, &end, 8 /* Octal for file mode */ );
+ if ( *end && ( *end != ' ' ) ) {
+ DBGC ( image, "bzImage %p strange \"mode=\""
+ "terminator '%c'\n", image, *end );
+ }
+ cpio_set_field ( cpio->c_mode, ( 0100000 | mode ) );
+ }
+}
+
+/**
+ * Align initrd length
+ *
+ * @v len Length
+ * @ret len Length rounded up to INITRD_ALIGN
+ */
+static inline size_t bzimage_align ( size_t len ) {
+
+ return ( ( len + INITRD_ALIGN - 1 ) & ~( INITRD_ALIGN - 1 ) );
+}
+
+/**
+ * Load initrd
+ *
+ * @v image bzImage image
+ * @v initrd initrd image
+ * @v address Address at which to load, or UNULL
+ * @ret len Length of loaded image, excluding zero-padding
+ */
+static size_t bzimage_load_initrd ( struct image *image,
+ struct image *initrd,
+ userptr_t address ) {
+ char *filename = initrd->cmdline;
+ char *cmdline;
+ struct cpio_header cpio;
+ size_t offset;
+ size_t name_len;
+ size_t pad_len;
+
+ /* Do not include kernel image itself as an initrd */
+ if ( initrd == image )
+ return 0;
+
+ /* Create cpio header for non-prebuilt images */
+ if ( filename && filename[0] ) {
+ cmdline = strchr ( filename, ' ' );
+ name_len = ( ( cmdline ? ( ( size_t ) ( cmdline - filename ) )
+ : strlen ( filename ) ) + 1 /* NUL */ );
+ memset ( &cpio, '0', sizeof ( cpio ) );
+ memcpy ( cpio.c_magic, CPIO_MAGIC, sizeof ( cpio.c_magic ) );
+ cpio_set_field ( cpio.c_mode, 0100644 );
+ cpio_set_field ( cpio.c_nlink, 1 );
+ cpio_set_field ( cpio.c_filesize, initrd->len );
+ cpio_set_field ( cpio.c_namesize, name_len );
+ if ( cmdline ) {
+ bzimage_parse_cpio_cmdline ( image, &cpio,
+ ( cmdline + 1 /* ' ' */ ));
+ }
+ offset = ( ( sizeof ( cpio ) + name_len + 0x03 ) & ~0x03 );
+ } else {
+ offset = 0;
+ name_len = 0;
+ }
+
+ /* Copy in initrd image body (and cpio header if applicable) */
+ if ( address ) {
+ memmove_user ( address, offset, initrd->data, 0, initrd->len );
+ if ( offset ) {
+ memset_user ( address, 0, 0, offset );
+ copy_to_user ( address, 0, &cpio, sizeof ( cpio ) );
+ copy_to_user ( address, sizeof ( cpio ), filename,
+ ( name_len - 1 /* NUL (or space) */ ) );
+ }
+ DBGC ( image, "bzImage %p initrd %p [%#08lx,%#08lx,%#08lx)"
+ "%s%s\n", image, initrd, user_to_phys ( address, 0 ),
+ user_to_phys ( address, offset ),
+ user_to_phys ( address, ( offset + initrd->len ) ),
+ ( filename ? " " : "" ), ( filename ? filename : "" ) );
+ DBGC2_MD5A ( image, user_to_phys ( address, offset ),
+ user_to_virt ( address, offset ), initrd->len );
+ }
+ offset += initrd->len;
+
+ /* Zero-pad to next INITRD_ALIGN boundary */
+ pad_len = ( ( -offset ) & ( INITRD_ALIGN - 1 ) );
+ if ( address )
+ memset_user ( address, offset, 0, pad_len );
+
+ return offset;
+}
+
+/**
+ * Check that initrds can be loaded
+ *
+ * @v image bzImage image
+ * @v bzimg bzImage context
+ * @ret rc Return status code
+ */
+static int bzimage_check_initrds ( struct image *image,
+ struct bzimage_context *bzimg ) {
+ struct image *initrd;
+ userptr_t bottom;
+ size_t len = 0;
+ int rc;
+
+ /* Calculate total loaded length of initrds */
+ for_each_image ( initrd ) {
+
+ /* Skip kernel */
+ if ( initrd == image )
+ continue;
+
+ /* Calculate length */
+ len += bzimage_load_initrd ( image, initrd, UNULL );
+ len = bzimage_align ( len );
+
+ DBGC ( image, "bzImage %p initrd %p from [%#08lx,%#08lx)%s%s\n",
+ image, initrd, user_to_phys ( initrd->data, 0 ),
+ user_to_phys ( initrd->data, initrd->len ),
+ ( initrd->cmdline ? " " : "" ),
+ ( initrd->cmdline ? initrd->cmdline : "" ) );
+ DBGC2_MD5A ( image, user_to_phys ( initrd->data, 0 ),
+ user_to_virt ( initrd->data, 0 ), initrd->len );
+ }
+
+ /* Calculate lowest usable address */
+ bottom = userptr_add ( bzimg->pm_kernel, bzimg->pm_sz );
+
+ /* Check that total length fits within space available for
+ * reshuffling. This is a conservative check, since CPIO
+ * headers are not present during reshuffling, but this
+ * doesn't hurt and keeps the code simple.
+ */
+ if ( ( rc = initrd_reshuffle_check ( len, bottom ) ) != 0 ) {
+ DBGC ( image, "bzImage %p failed reshuffle check: %s\n",
+ image, strerror ( rc ) );
+ return rc;
+ }
+
+ /* Check that total length fits within kernel's memory limit */
+ if ( user_to_phys ( bottom, len ) > bzimg->mem_limit ) {
+ DBGC ( image, "bzImage %p not enough space for initrds\n",
+ image );
+ return -ENOBUFS;
+ }
+
+ return 0;
+}
+
+/**
+ * Load initrds, if any
+ *
+ * @v image bzImage image
+ * @v bzimg bzImage context
+ */
+static void bzimage_load_initrds ( struct image *image,
+ struct bzimage_context *bzimg ) {
+ struct image *initrd;
+ struct image *highest = NULL;
+ struct image *other;
+ userptr_t top;
+ userptr_t dest;
+ size_t offset;
+ size_t len;
+
+ /* Reshuffle initrds into desired order */
+ initrd_reshuffle ( userptr_add ( bzimg->pm_kernel, bzimg->pm_sz ) );
+
+ /* Find highest initrd */
+ for_each_image ( initrd ) {
+ if ( ( highest == NULL ) ||
+ ( userptr_sub ( initrd->data, highest->data ) > 0 ) ) {
+ highest = initrd;
+ }
+ }
+
+ /* Do nothing if there are no initrds */
+ if ( ! highest )
+ return;
+
+ /* Find highest usable address */
+ top = userptr_add ( highest->data, bzimage_align ( highest->len ) );
+ if ( user_to_phys ( top, 0 ) > bzimg->mem_limit )
+ top = phys_to_user ( bzimg->mem_limit );
+ DBGC ( image, "bzImage %p loading initrds from %#08lx downwards\n",
+ image, user_to_phys ( top, 0 ) );
+
+ /* Load initrds in order */
+ for_each_image ( initrd ) {
+
+ /* Calculate cumulative length of following
+ * initrds (including padding).
+ */
+ offset = 0;
+ for_each_image ( other ) {
+ if ( other == initrd )
+ offset = 0;
+ offset += bzimage_load_initrd ( image, other, UNULL );
+ offset = bzimage_align ( offset );
+ }
+
+ /* Load initrd at this address */
+ dest = userptr_add ( top, -offset );
+ len = bzimage_load_initrd ( image, initrd, dest );
+
+ /* Record initrd location */
+ if ( ! bzimg->ramdisk_image )
+ bzimg->ramdisk_image = user_to_phys ( dest, 0 );
+ bzimg->ramdisk_size = ( user_to_phys ( dest, len ) -
+ bzimg->ramdisk_image );
+ }
+ DBGC ( image, "bzImage %p initrds at [%#08lx,%#08lx)\n",
+ image, bzimg->ramdisk_image,
+ ( bzimg->ramdisk_image + bzimg->ramdisk_size ) );
+}
+
+/**
+ * Execute bzImage image
+ *
+ * @v image bzImage image
+ * @ret rc Return status code
+ */
+static int bzimage_exec ( struct image *image ) {
+ struct bzimage_context bzimg;
+ const char *cmdline = ( image->cmdline ? image->cmdline : "" );
+ int rc;
+
+ /* Read and parse header from image */
+ if ( ( rc = bzimage_parse_header ( image, &bzimg,
+ image->data ) ) != 0 )
+ return rc;
+
+ /* Prepare segments */
+ if ( ( rc = prep_segment ( bzimg.rm_kernel, bzimg.rm_filesz,
+ bzimg.rm_memsz ) ) != 0 ) {
+ DBGC ( image, "bzImage %p could not prepare RM segment: %s\n",
+ image, strerror ( rc ) );
+ return rc;
+ }
+ if ( ( rc = prep_segment ( bzimg.pm_kernel, bzimg.pm_sz,
+ bzimg.pm_sz ) ) != 0 ) {
+ DBGC ( image, "bzImage %p could not prepare PM segment: %s\n",
+ image, strerror ( rc ) );
+ return rc;
+ }
+
+ /* Parse command line for bootloader parameters */
+ if ( ( rc = bzimage_parse_cmdline ( image, &bzimg, cmdline ) ) != 0)
+ return rc;
+
+ /* Check that initrds can be loaded */
+ if ( ( rc = bzimage_check_initrds ( image, &bzimg ) ) != 0 )
+ return rc;
+
+ /* Remove kernel from image list (without invalidating image pointer) */
+ unregister_image ( image_get ( image ) );
+
+ /* Load segments */
+ memcpy_user ( bzimg.rm_kernel, 0, image->data,
+ 0, bzimg.rm_filesz );
+ memcpy_user ( bzimg.pm_kernel, 0, image->data,
+ bzimg.rm_filesz, bzimg.pm_sz );
+
+ /* Store command line */
+ bzimage_set_cmdline ( image, &bzimg, cmdline );
+
+ /* Prepare for exiting. Must do this before loading initrds,
+ * since loading the initrds will corrupt the external heap.
+ */
+ shutdown_boot();
+
+ /* Load any initrds */
+ bzimage_load_initrds ( image, &bzimg );
+
+ /* Update kernel header */
+ bzimage_update_header ( image, &bzimg, bzimg.rm_kernel );
+
+ DBGC ( image, "bzImage %p jumping to RM kernel at %04x:0000 "
+ "(stack %04x:%04zx)\n", image, ( bzimg.rm_kernel_seg + 0x20 ),
+ bzimg.rm_kernel_seg, bzimg.rm_heap );
+
+ /* Jump to the kernel */
+ __asm__ __volatile__ ( REAL_CODE ( "movw %w0, %%ds\n\t"
+ "movw %w0, %%es\n\t"
+ "movw %w0, %%fs\n\t"
+ "movw %w0, %%gs\n\t"
+ "movw %w0, %%ss\n\t"
+ "movw %w1, %%sp\n\t"
+ "pushw %w2\n\t"
+ "pushw $0\n\t"
+ "lret\n\t" )
+ : : "r" ( bzimg.rm_kernel_seg ),
+ "r" ( bzimg.rm_heap ),
+ "r" ( bzimg.rm_kernel_seg + 0x20 ) );
+
+ /* There is no way for the image to return, since we provide
+ * no return address.
+ */
+ assert ( 0 );
+
+ return -ECANCELED; /* -EIMPOSSIBLE */
+}
+
+/**
+ * Probe bzImage image
+ *
+ * @v image bzImage file
+ * @ret rc Return status code
+ */
+int bzimage_probe ( struct image *image ) {
+ struct bzimage_context bzimg;
+ int rc;
+
+ /* Read and parse header from image */
+ if ( ( rc = bzimage_parse_header ( image, &bzimg,
+ image->data ) ) != 0 )
+ return rc;
+
+ return 0;
+}
+
+/** Linux bzImage image type */
+struct image_type bzimage_image_type __image_type ( PROBE_NORMAL ) = {
+ .name = "bzImage",
+ .probe = bzimage_probe,
+ .exec = bzimage_exec,
+};
Code Review / kvmfornfv.git / blobdiff