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2009-05-02 Vladimir Serbinenko <phcoder@gmail.com>

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Mmap services

	* loader/i386/efi/linux.c (grub_linux_boot): use grub_mmap_iterate
	* loader/i386/linux.c (find_mmap_size): likewise
	(allocate_pages): likewise
	* loader/i386/multiboot.c (grub_get_multiboot_mmap_len): likewise
	(grub_fill_multiboot_mmap): likewise
	(grub_multiboot): use grub_mmap_get_lower and grub_mmap_get_upper
	* loader/i386/pc/linux.c (grub_cmd_linux): use grub_mmap_get_lower
	* include/grub/i386/bsd.h (OPENBSD_MMAP_AVAILABLE): new definition
	(OPENBSD_MMAP_RESERVED): likewise
	* include/grub/i386/pc/memory.h: include grub/memory.h
	(grub_lower_mem): removed
	(grub_upper_mem): likewise
	(GRUB_MACHINE_MEMORY_ACPI): new definition
	(GRUB_MACHINE_MEMORY_NVS): likewise
	(GRUB_MACHINE_MEMORY_MAX_TYPE): likewise
	(GRUB_MACHINE_MEMORY_HOLE): likewise
	(grub_machine_mmap_register): likewise
	(grub_machine_mmap_unregister): likewise
	(grub_machine_get_upper): likewise
	(grub_machine_get_lower): likewise
	(grub_machine_get_post64): likewise
	* include/grub/i386/efi/memory.h: new file
	* include/grub/x86_64/efi/memory.h: likewise
	* include/grub/efi/memory.h: likewise
	* conf/i386-pc.rmk (pkglib_MODULES): added mmap.mod
	(mmap_mod_SOURCES): new variable
	(mmap_mod_LDFLAGS): likewise
	(mmap_mod_ASFLAGS): likewise
	* conf/i386-coreboot.rmk: likewise
	* conf/i386-ieee1275.rmk: likewise
	* conf/i386-efi.rmk: likewise
	* conf/x86_64-efi.rmk: likewise
	* include/grub/types.h (UINT_TO_PTR): new macro
	(PTR_TO_UINT32): likewise
	(PTR_TO_UINT64): likewise
	* include/grub/memory.h: new file
	* mmap/i386/pc/mmap.c: likewise
	* mmap/i386/pc/mmap_helper.S: likewise
	* mmap/i386/uppermem.c: likewise
	* mmap/mmap.c: likewise
	* mmap/efi/mmap.c: likewise
	* kern/i386/coreboot/init.c (grub_machine_init): don't use 
	grub_upper_mem
	* kern/i386/pc/init.c (grub_lower_mem): removed variable
	(grub_upper_mem): likewise
	(grub_machine_init): don't use grub_upper_mem,
	make grub_lower_mem local
	* loader/i386/bsd.c (grub_openbsd_boot): use grub_mmap_get_lower,
	grub_mmap_iterate and grub_mmap_get_upper
	(grub_netbsd_boot): use grub_mmap_get_lower and grub_mmap_get_upper
This commit is contained in:
phcoder 2009-05-02 21:46:34 +00:00
parent d558e6b5ac
commit 09d842b9c6
27 changed files with 1579 additions and 128 deletions
Download patch file Download diff file Expand all files Collapse all files

48
include/grub/efi/memory.h Normal file
View file

@ -0,0 +1,48 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_MEMORY_MACHINE_HEADER
#define GRUB_MEMORY_MACHINE_HEADER 1
#include <grub/err.h>
#include <grub/types.h>
#define GRUB_MMAP_REGISTER_BY_FIRMWARE 1
#define GRUB_MACHINE_MEMORY_AVAILABLE 1
#define GRUB_MACHINE_MEMORY_RESERVED 2
#define GRUB_MACHINE_MEMORY_ACPI 3
#define GRUB_MACHINE_MEMORY_NVS 4
#define GRUB_MACHINE_MEMORY_CODE 5
#define GRUB_MACHINE_MEMORY_MAX_TYPE 5
/* This one is special: it's used internally but is never reported
by firmware. */
#define GRUB_MACHINE_MEMORY_HOLE 6
grub_err_t EXPORT_FUNC(grub_machine_mmap_iterate)
(int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t));
grub_err_t grub_machine_mmap_register (grub_uint64_t start, grub_uint64_t size,
int type, int handle);
grub_err_t grub_machine_mmap_unregister (int handle);
grub_uint64_t grub_mmap_get_post64 (void);
grub_uint64_t grub_mmap_get_upper (void);
grub_uint64_t grub_mmap_get_lower (void);
#endif /* ! GRUB_MEMORY_MACHINE_HEADER */

2
include/grub/i386/bsd.h
View file

@ -148,6 +148,8 @@ struct grub_openbsd_bios_mmap
{
grub_uint64_t addr;
grub_uint64_t len;
#define OPENBSD_MMAP_AVAILABLE 1
#define OPENBSD_MMAP_RESERVED 2
grub_uint32_t type;
};

1
include/grub/i386/efi/memory.h Normal file
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@ -0,0 +1 @@
#include <grub/efi/memory.h>

40
include/grub/i386/pc/memory.h
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@ -25,6 +25,7 @@
#ifndef ASM_FILE
#include <grub/types.h>
#include <grub/err.h>
#include <grub/memory.h>
#endif
/* The scratch buffer used in real mode code. */
@ -79,12 +80,6 @@
#ifndef ASM_FILE
#ifndef GRUB_MACHINE_IEEE1275
extern grub_size_t EXPORT_VAR(grub_lower_mem);
#endif
extern grub_size_t EXPORT_VAR(grub_upper_mem);
struct grub_machine_mmap_entry
{
grub_uint32_t size;
@ -92,12 +87,45 @@ struct grub_machine_mmap_entry
grub_uint64_t len;
#define GRUB_MACHINE_MEMORY_AVAILABLE 1
#define GRUB_MACHINE_MEMORY_RESERVED 2
#define GRUB_MACHINE_MEMORY_ACPI 3
#define GRUB_MACHINE_MEMORY_NVS 4
#define GRUB_MACHINE_MEMORY_MAX_TYPE 4
/* This one is special: it's used internally but is never reported
by firmware. */
#define GRUB_MACHINE_MEMORY_HOLE 5
grub_uint32_t type;
} __attribute__((packed));
grub_err_t EXPORT_FUNC(grub_machine_mmap_iterate)
(int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t));
grub_uint64_t grub_mmap_get_post64 (void);
grub_uint64_t grub_mmap_get_upper (void);
grub_uint64_t grub_mmap_get_lower (void);
#define GRUB_MMAP_MALLOC_LOW 1
#ifdef GRUB_MACHINE_PCBIOS
grub_err_t grub_machine_mmap_register (grub_uint64_t start, grub_uint64_t size,
int type, int handle);
grub_err_t grub_machine_mmap_unregister (int handle);
#else
static inline grub_err_t
grub_machine_mmap_register (grub_uint64_t start __attribute__ ((unused)),
grub_uint64_t size __attribute__ ((unused)),
int type __attribute__ ((unused)),
int handle __attribute__ ((unused)))
{
return GRUB_ERR_NONE;
}
static inline grub_err_t
grub_machine_mmap_unregister (int handle __attribute__ ((unused)))
{
return GRUB_ERR_NONE;
}
#endif
#endif
#endif /* ! GRUB_MEMORY_MACHINE_HEADER */

52
include/grub/memory.h Normal file
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@ -0,0 +1,52 @@
/* memory.h - describe the memory map */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2007,2008 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_MEMORY_HEADER
#define GRUB_MEMORY_HEADER 1
#include <grub/types.h>
#include <grub/err.h>
#include <grub/machine/memory.h>
grub_err_t grub_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t,
grub_uint64_t,
grub_uint32_t));
int grub_mmap_register (grub_uint64_t start, grub_uint64_t size, int type);
grub_err_t grub_mmap_unregister (int handle);
char *grub_mmap_malign_and_register (grub_uint64_t align, grub_uint64_t size,
int *handle, int type, int flags);
void grub_mmap_free_and_unregister (int handle);
#ifndef GRUB_MMAP_REGISTER_BY_FIRMWARE
struct grub_mmap_region
{
struct grub_mmap_region *next;
grub_uint64_t start;
grub_uint64_t end;
int type;
int handle;
};
extern struct grub_mmap_region *grub_mmap_overlays;
#endif
#endif /* ! GRUB_MEMORY_HEADER */

10
include/grub/types.h
View file

@ -102,6 +102,16 @@ typedef grub_int32_t grub_ssize_t;
# define GRUB_LONG_MIN -2147483648UL
#endif
#if GRUB_CPU_SIZEOF_VOID_P == 4
#define UINT_TO_PTR(x) ((void*)(grub_uint32_t)(x))
#define PTR_TO_UINT64(x) ((grub_uint64_t)(grub_uint32_t)(x))
#define PTR_TO_UINT32(x) ((grub_uint32_t)(x))
#else
#define UINT_TO_PTR(x) ((void*)(grub_uint64_t)(x))
#define PTR_TO_UINT64(x) ((grub_uint64_t)(x))
#define PTR_TO_UINT32(x) ((grub_uint32_t)(grub_uint64_t)(x))
#endif
/* The type for representing a file offset. */
typedef grub_uint64_t grub_off_t;

1
include/grub/x86_64/efi/memory.h Normal file
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@ -0,0 +1 @@
#include <grub/efi/memory.h>