elf64_freebsd.c revision 199767f8919635c4928607450d9e0abb932109ce
/*-
* Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
__FBSDID("$FreeBSD$");
#define __ELF_WORD_SIZE 64
#include <string.h>
#include <stand.h>
#include <efi.h>
#include <efilib.h>
#include "bootstrap.h"
#include "platform/acfreebsd.h"
#include "acconfig.h"
#define ACPI_SYSTEM_XFACE
#include "actypes.h"
#include "actbl.h"
#include "loader_efi.h"
struct file_format *file_formats[] = {
};
#define PG_V 0x001
#define PG_RW 0x002
#define PG_U 0x004
#define PG_PS 0x080
typedef u_int64_t p4_entry_t;
typedef u_int64_t p3_entry_t;
typedef u_int64_t p2_entry_t;
static p4_entry_t *PT4;
static p3_entry_t *PT3;
static p2_entry_t *PT2;
extern uintptr_t amd64_tramp;
extern uint32_t amd64_tramp_size;
/*
* There is an ELF kernel and one or more ELF modules loaded.
* We wish to start executing the kernel image, so make such
* preparations as are required, and do so.
*/
static int
{
struct file_metadata *md;
int err, i;
char buf[24];
int revision;
}
if (revision == 0)
revision = 1;
if (revision >= 2) {
/* XXX extended checksum? */
(unsigned long long)rsdp->XsdtPhysicalAddress);
}
}
return(EFTYPE);
trampoline = (void *)trampcode;
(EFI_PHYSICAL_ADDRESS *)&PT4);
/*
* This is kinda brutal, but every single 1GB VM memory segment points
* to the same first 1GB of physical memory. But it is more than
* adequate.
*/
for (i = 0; i < 512; i++) {
/* Each slot of the L4 pages points to the same L3 page. */
/* Each slot of the L3 pages points to the same L2 page. */
/* The L2 page slots are mapped with 2MB pages for 1GB. */
}
if (err != 0)
return(err);
dev_cleanup();
panic("exec returned");
}
static int
{
return (EFTYPE);
}