[PATCH v7 27/38] x86/boot: convert initial_images to struct boot_module

["Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>]

The variable initial_images is used for tracking the boot modules passed in by
the boot loader. Convert to a struct boot_module and adjust the code that uses
it accordingly.

Signed-off-by: Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
---
Changes since v5:
- coding style changes
---
 xen/arch/x86/setup.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 254aeb0c5e1b..0f8fb3c572c6 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -276,7 +276,7 @@ custom_param("acpi", parse_acpi_param);
 
 static const char *cmdline_cook(const char *p, const char *loader_name);
 
-static const module_t *__initdata initial_images;
+static const struct boot_module *__initdata initial_images;
 
 struct boot_info __initdata xen_boot_info = {
     .loader = "unknown",
@@ -352,8 +352,8 @@ unsigned long __init initial_images_nrpages(nodeid_t node)
 
     for ( nr = i = 0; i < bi->nr_modules; ++i )
     {
-        unsigned long start = initial_images[i].mod_start;
-        unsigned long end = start + PFN_UP(initial_images[i].mod_end);
+        unsigned long start = initial_images[i].mod->mod_start;
+        unsigned long end = start + PFN_UP(initial_images[i].mod->mod_end);
 
         if ( end > node_start && node_end > start )
             nr += min(node_end, end) - max(node_start, start);
@@ -369,10 +369,11 @@ void __init discard_initial_images(void)
 
     for ( i = 0; i < bi->nr_modules; ++i )
     {
-        uint64_t start = (uint64_t)initial_images[i].mod_start << PAGE_SHIFT;
+        uint64_t start =
+            (uint64_t)initial_images[i].mod->mod_start << PAGE_SHIFT;
 
         init_domheap_pages(start,
-                           start + PAGE_ALIGN(initial_images[i].mod_end));
+                           start + PAGE_ALIGN(initial_images[i].mod->mod_end));
     }
 
     bi->nr_modules = 0;
@@ -1403,11 +1404,7 @@ void asmlinkage __init noreturn __start_xen(unsigned 
long mbi_p)
     set_kexec_crash_area_size((u64)nr_pages << PAGE_SHIFT);
     kexec_reserve_area();
 
-    /*
-     * The field bi->mods[0].mod points to the first element of the module_t
-     * array.
-     */
-    initial_images = bi->mods[0].mod;
+    initial_images = bi->mods;
 
     for ( i = 0; !efi_enabled(EFI_LOADER) && i < bi->nr_modules; i++ )
     {
-- 
2.30.2