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We may be required to page-align modules, so let's make sure we catch 

it if we don't.
pull/1/head
Michael Brown 2007-01-12 00:09:16 +00:00
parent 7bf94b5ad6
commit e4c6418ac0
1 changed files with 7 additions and 1 deletions
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8
src/arch/i386/image/multiboot.c
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@ -24,6 +24,7 @@
*/ */
#include <errno.h> #include <errno.h>
#include <assert.h>
#include <alloca.h> #include <alloca.h>
#include <multiboot.h> #include <multiboot.h>
#include <gpxe/uaccess.h> #include <gpxe/uaccess.h>
@ -106,10 +107,12 @@ multiboot_build_module_list ( struct image *image,
unsigned int count = 0; unsigned int count = 0;
for_each_image ( module_image ) { for_each_image ( module_image ) {
/* Do not include kernel image as a module */
/* Do not include kernel image itself as a module */
if ( module_image == image ) if ( module_image == image )
continue; continue;
module = &modules[count++]; module = &modules[count++];
/* Populate module data structure, if applicable */ /* Populate module data structure, if applicable */
if ( ! modules ) if ( ! modules )
continue; continue;
@ -118,6 +121,9 @@ multiboot_build_module_list ( struct image *image,
module_image->len ); module_image->len );
if ( image->cmdline ) if ( image->cmdline )
module->string = virt_to_phys ( image->cmdline ); module->string = virt_to_phys ( image->cmdline );
/* We promise to page-align modules, so at least check */
assert ( ( module->mod_start & 0xfff ) == 0 );
} }
return count; return count;