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