[x86] remove uses of magic macros for boot_params access

Instead of using magic macros for boot_params access, simply use the
boot_params structure.

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

1 files changed, 9 insertions, 6 deletions

diff --git a/arch/x86/kernel/efi_32.c b/arch/x86/kernel/efi_32.c
index 2452c6fbe992..b42558c48e9d 100644
--- a/arch/x86/kernel/efi_32.c
+++ b/arch/x86/kernel/efi_32.c
@@ -331,11 +331,13 @@ void __init efi_init(void)
         memset(&efi, 0, sizeof(efi) );
         memset(&efi_phys, 0, sizeof(efi_phys));
 
-        efi_phys.systab = EFI_SYSTAB;
-        memmap.phys_map = EFI_MEMMAP;
-        memmap.nr_map = EFI_MEMMAP_SIZE/EFI_MEMDESC_SIZE;
-        memmap.desc_version = EFI_MEMDESC_VERSION;
-        memmap.desc_size = EFI_MEMDESC_SIZE;
+        efi_phys.systab =
+                (efi_system_table_t *)boot_params.efi_info.efi_systab;
+        memmap.phys_map = (void *)boot_params.efi_info.efi_memmap;
+        memmap.nr_map = boot_params.efi_info.efi_memmap_size/
+                boot_params.efi_info.efi_memdesc_size;
+        memmap.desc_version = boot_params.efi_info.efi_memdesc_version;
+        memmap.desc_size = boot_params.efi_info.efi_memdesc_size;
 
         efi.systab = (efi_system_table_t *)
                 boot_ioremap((unsigned long) efi_phys.systab,
@@ -446,7 +448,8 @@ void __init efi_init(void)
                 printk(KERN_ERR PFX "Could not map the runtime service table!\n");
 
         /* Map the EFI memory map for use until paging_init() */
-        memmap.map = boot_ioremap((unsigned long) EFI_MEMMAP, EFI_MEMMAP_SIZE);
+        memmap.map = boot_ioremap(boot_params.efi_info.efi_memmap,
+                                  boot_params.efi_info.efi_memmap_size);
         if (memmap.map == NULL)
                 printk(KERN_ERR PFX "Could not map the EFI memory map!\n");