[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>
diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c
index 0f4d5e2..e422b81 100644
--- a/arch/x86/kernel/e820_64.c
+++ b/arch/x86/kernel/e820_64.c
@@ -24,7 +24,7 @@
#include <asm/page.h>
#include <asm/e820.h>
#include <asm/proto.h>
-#include <asm/bootsetup.h>
+#include <asm/setup.h>
#include <asm/sections.h>
struct e820map e820;
@@ -68,10 +68,15 @@
/* initrd */
#ifdef CONFIG_BLK_DEV_INITRD
- if (LOADER_TYPE && INITRD_START && last >= INITRD_START &&
- addr < INITRD_START+INITRD_SIZE) {
- *addrp = PAGE_ALIGN(INITRD_START + INITRD_SIZE);
- return 1;
+ if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
+ unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
+ unsigned long ramdisk_size = boot_params.hdr.ramdisk_size;
+ unsigned long ramdisk_end = ramdisk_image+ramdisk_size;
+
+ if (last >= ramdisk_image && addr < ramdisk_end) {
+ *addrp = PAGE_ALIGN(ramdisk_end);
+ return 1;
+ }
}
#endif
/* kernel code */
@@ -594,8 +599,8 @@
* Otherwise fake a memory map; one section from 0k->640k,
* the next section from 1mb->appropriate_mem_k
*/
- sanitize_e820_map(E820_MAP, &E820_MAP_NR);
- if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0)
+ sanitize_e820_map(boot_params.e820_map, &boot_params.e820_entries);
+ if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries) < 0)
early_panic("Cannot find a valid memory map");
printk(KERN_INFO "BIOS-provided physical RAM map:\n");
e820_print_map("BIOS-e820");