Make struct boot_params a real structure, and remove obsolete fields

Make struct boot_params a real structure, and remove the handling of
some obsolete fields, in particular hd*_info, which was only used by
the ST-506 driver, and likely to be wrong for that driver on any
modern BIOS.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 4 deletions

diff --git a/include/asm-i386/setup.h b/include/asm-i386/setup.h
index 0e8077cbfdac..0d5bff9dc4a5 100644
--- a/include/asm-i386/setup.h
+++ b/include/asm-i386/setup.h
@@ -26,12 +26,15 @@
 #define NEW_CL_POINTER          0x228   /* Relative to real mode data */
 
 #ifndef __ASSEMBLY__
+
+#include <asm/bootparam.h>
+
 /*
  * This is set up by the setup-routine at boot-time
  */
-extern unsigned char boot_params[PARAM_SIZE];
+extern struct boot_params boot_params;
 
-#define PARAM   (boot_params)
+#define PARAM   ((char *)&boot_params)
 #define SCREEN_INFO (*(struct screen_info *) (PARAM+0))
 #define EXT_MEM_K (*(unsigned short *) (PARAM+2))
 #define ALT_MEM_K (*(unsigned long *) (PARAM+0x1e0))
@@ -39,8 +42,7 @@ extern unsigned char boot_params[PARAM_SIZE];
 #define E820_MAP    ((struct e820entry *) (PARAM+E820MAP))
 #define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40))
 #define IST_INFO   (*(struct ist_info *) (PARAM+0x60))
-#define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80))
-#define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0))
+#define SYS_DESC_TABLE (*(struct sys_desc_table *)(PARAM+0xa0))
 #define EFI_SYSTAB ((efi_system_table_t *) *((unsigned long *)(PARAM+0x1c4)))
 #define EFI_MEMDESC_SIZE (*((unsigned long *) (PARAM+0x1c8)))
 #define EFI_MEMDESC_VERSION (*((unsigned long *) (PARAM+0x1cc)))