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/*
* Copyright (C) 2001-2003 Hewlett-Packard Co.
* Contributed by Stephane Eranian <eranian@hpl.hp.com>
*
* This file is part of the ELILO, the EFI Linux boot loader.
*
* ELILO is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* ELILO is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ELILO; see the file COPYING. If not, write to the Free
* Software Foundation, 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Please check out the elilo.txt for complete documentation on how
* to use this program.
*/
/*
* This file is used to define all the IA64-specific data structures, functions,
* and constants used by the generic ELILO.
*
* For things specific to this platform use private.h instead
*/
#ifndef __ELILO_SYSDEPS_IA64_H__
#define __ELILO_SYSDEPS_IA64_H__
#define ELILO_ARCH "IA-64" /* ASCII string ! */
/* in respective assembly files */
extern VOID Memset(VOID *, INTN, UINTN);
extern VOID Memcpy(VOID *, VOID *, UINTN);
extern VOID sysdep_register_options(VOID);
/*
* This version must match the one in the kernel
*/
typedef struct ia64_boot_params {
/*
* The following three pointers MUST point to memory that is marked
* as EfiRuntimeServicesData so that the kernel doesn't think the
* underlying memory is free.
*/
UINTN command_line; /* physical address of command line arguments */
UINTN efi_systab; /* physical address of EFI system table */
UINTN efi_memmap; /* physical address of EFI memory map */
UINTN efi_memmap_size; /* size of EFI memory map */
UINTN efi_memdesc_size; /* size of an EFI memory map descriptor */
UINT32 efi_memdesc_version; /* descriptor version */
struct {
UINT16 num_cols; /* number of columns on console output device */
UINT16 num_rows; /* number of rows on console output device */
UINT16 orig_x; /* cursor's x position */
UINT16 orig_y; /* cursor's y position */
} console_info;
UINTN fpswa; /* physical address of fpswa interface */
UINTN initrd_start; /* virtual address where the initial ramdisk begins */
UINTN initrd_size; /* how big is the initial ramdisk */
UINTN vmcode_start; /* virtual address where the boot time vmcode begins */
UINTN vmcode_size; /* how big is the boot module */
UINTN loader_addr; /* start address of boot loader */
UINTN loader_size; /* size of loader code & data */
} boot_params_t;
typedef struct sys_img_options {
UINT8 dummy; /* forces non-zero offset for first field */
UINT8 allow_relocation; /* allow kernel relocation on allocation error */
} sys_img_options_t;
/*
* How to jump to kernel code
*/
static inline void
start_kernel(VOID *kentry, VOID *bp)
{
asm volatile ("mov r28=%1; br.sptk.few %0" :: "b"(kentry),"r"(bp));
}
static inline UINT64
__ia64_swab64 (UINT64 x)
{
UINT64 result;
asm volatile ("mux1 %0=%1,@rev" : "=r" (result) : "r" (x));
return result;
}
static inline UINT32
__ia64_swab32 (UINT32 x)
{
return __ia64_swab64(x) >> 32;
}
static inline UINT16
__ia64_swab16(UINT16 x)
{
return __ia64_swab64(x) >> 48;
}
#endif /* __ELILO_SYSDEPS_IA64_H__ */
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