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Initial import of Leif's work

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This commit is contained in:
Leif Lindholm 2013-04-07 02:41:07 +02:00 • committed by Vladimir 'phcoder' Serbinenko
parent 21026747df
commit 389b31cd71
65 changed files with 7311 additions and 13 deletions
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26
include/grub/arm/efi/loader.h Normal file
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@ -0,0 +1,26 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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_LOADER_MACHINE_HEADER
#define GRUB_LOADER_MACHINE_HEADER 1
grub_err_t EXPORT_FUNC (grub_efi_prepare_platform) (void);
void * EXPORT_FUNC (grub_efi_allocate_loader_memory) (grub_uint32_t min_offset,
grub_uint32_t size);
#endif /* ! GRUB_LOADER_MACHINE_HEADER */

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

59
include/grub/arm/linux.h Normal file
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@ -0,0 +1,59 @@
/* linux.h - ARM linux specific definitions */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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_LINUX_CPU_HEADER
#define GRUB_LINUX_CPU_HEADER 1
#define LINUX_ZIMAGE_OFFSET 0x24
#define LINUX_ZIMAGE_MAGIC 0x016f2818
#define ARM_FDT_MACHINE_TYPE 0xFFFFFFFF
#if defined GRUB_MACHINE_UBOOT
# include <grub/uboot/uboot.h>
# define LINUX_ADDRESS (start_of_ram + 0x8000)
# define LINUX_INITRD_ADDRESS (start_of_ram + 0x02000000)
# define LINUX_FDT_ADDRESS (LINUX_INITRD_ADDRESS - 0x10000)
# define firmware_get_boot_data uboot_get_boot_data
# define firmware_get_machine_type uboot_get_machine_type
#elif defined GRUB_MACHINE_EFI
# include <grub/efi/efi.h>
# include <grub/machine/loader.h>
/* On UEFI platforms - load the images at the lowest available address not
less than *_PHYS_OFFSET from the first available memory location. */
# define LINUX_PHYS_OFFSET (0x00008000)
# define LINUX_INITRD_PHYS_OFFSET (LINUX_PHYS_OFFSET + 0x02000000)
# define LINUX_FDT_PHYS_OFFSET (LINUX_INITRD_PHYS_OFFSET - 0x10000)
static inline grub_addr_t
firmware_get_boot_data (void)
{
return 0;
}
static inline grub_uint32_t
firmware_get_machine_type (void)
{
return ARM_FDT_MACHINE_TYPE;
}
#endif
#define FDT_ADDITIONAL_ENTRIES_SIZE 0x300
typedef void (*kernel_entry_t) (int, unsigned long, void *);
#endif /* ! GRUB_LINUX_CPU_HEADER */

7
include/grub/arm/system.h Normal file
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@ -0,0 +1,7 @@
#ifndef GRUB_SYSTEM_CPU_HEADER
#define GRUB_SYSTEM_CPU_HEADER
void grub_arm_disable_caches_mmu (void);
#endif /* ! GRUB_SYSTEM_CPU_HEADER */

29
include/grub/arm/time.h Normal file
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@ -0,0 +1,29 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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 KERNEL_CPU_TIME_HEADER
#define KERNEL_CPU_TIME_HEADER 1
static __inline void
grub_cpu_idle (void)
{
/* FIXME: this can't work until we handle interrupts. */
/* __asm__ __volatile__ ("wfi"); */
}
#endif /* ! KERNEL_CPU_TIME_HEADER */

34
include/grub/arm/types.h Normal file
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@ -0,0 +1,34 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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_TYPES_CPU_HEADER
#define GRUB_TYPES_CPU_HEADER 1
/* The size of void *. */
#define GRUB_TARGET_SIZEOF_VOID_P 4
/* The size of long. */
#define GRUB_TARGET_SIZEOF_LONG 4
/* currently only support little-endian. */
#undef GRUB_TARGET_WORDS_BIGENDIAN
/* Unaligned accesses only supported if MMU enabled */
//#define GRUB_HAVE_UNALIGNED_ACCESS 1
#endif /* ! GRUB_TYPES_CPU_HEADER */

32
include/grub/arm/uboot/kernel.h Normal file
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@ -0,0 +1,32 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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_KERNEL_MACHINE_HEADER
#define GRUB_KERNEL_MACHINE_HEADER 1
#ifndef ASM_FILE
#include <grub/symbol.h>
#include <grub/types.h>
#endif /* ! ASM_FILE */
#define GRUB_KERNEL_MACHINE_STACK_SIZE 0x40000
#define GRUB_KERNEL_MACHINE_HEAP_SIZE (grub_size_t) (2 * 1024 * 1024)
#endif /* ! GRUB_KERNEL_MACHINE_HEADER */

1
include/grub/disk.h
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@ -44,6 +44,7 @@ enum grub_disk_dev_id
GRUB_DISK_DEVICE_ARCDISK_ID,
GRUB_DISK_DEVICE_HOSTDISK_ID,
GRUB_DISK_DEVICE_PROCFS_ID,
GRUB_DISK_DEVICE_UBOOTDISK_ID,
};
struct grub_disk;

9
include/grub/efi/pe32.h
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@ -63,9 +63,10 @@ struct grub_pe32_coff_header
grub_uint16_t characteristics;
};
#define GRUB_PE32_MACHINE_I386 0x14c
#define GRUB_PE32_MACHINE_IA64 0x200
#define GRUB_PE32_MACHINE_X86_64 0x8664
#define GRUB_PE32_MACHINE_I386 0x14c
#define GRUB_PE32_MACHINE_IA64 0x200
#define GRUB_PE32_MACHINE_X86_64 0x8664
#define GRUB_PE32_MACHINE_ARMTHUMB_MIXED 0x01c2
#define GRUB_PE32_RELOCS_STRIPPED 0x0001
#define GRUB_PE32_EXECUTABLE_IMAGE 0x0002
@ -276,8 +277,10 @@ struct grub_pe32_fixup_block
#define GRUB_PE32_REL_BASED_HIGHLOW 3
#define GRUB_PE32_REL_BASED_HIGHADJ 4
#define GRUB_PE32_REL_BASED_MIPS_JMPADDR 5
#define GRUB_PE32_REL_BASED_ARM_MOV32A 5
#define GRUB_PE32_REL_BASED_SECTION 6
#define GRUB_PE32_REL_BASED_REL 7
#define GRUB_PE32_REL_BASED_ARM_MOV32T 7
#define GRUB_PE32_REL_BASED_IA64_IMM64 9
#define GRUB_PE32_REL_BASED_DIR64 10
#define GRUB_PE32_REL_BASED_HIGH3ADJ 11

2
include/grub/kernel.h
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@ -78,7 +78,7 @@ struct grub_module_info64
#if defined (GRUB_MACHINE_PCBIOS) || defined (GRUB_MACHINE_COREBOOT) \
|| defined (GRUB_MACHINE_MULTIBOOT) || defined (GRUB_MACHINE_MIPS_QEMU_MIPS) \
|| defined (GRUB_MACHINE_MIPS_LOONGSON) || defined (GRUB_MACHINE_ARC) \
|| defined (__sparc__)
|| defined (__sparc__) || defined (GRUB_MACHINE_UBOOT)
/* FIXME: stack is between 2 heap regions. Move it. */
#define GRUB_KERNEL_PRELOAD_SPACE_REUSABLE 1
#endif

11
include/grub/libgcc.h
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@ -112,3 +112,14 @@ void EXPORT_FUNC (_savegpr_29) (void);
void EXPORT_FUNC (_savegpr_30) (void);
void EXPORT_FUNC (_savegpr_31) (void);
#endif
#if defined (__arm__)
void EXPORT_FUNC (__aeabi_idiv) (void);
void EXPORT_FUNC (__aeabi_idivmod) (void);
void EXPORT_FUNC (__aeabi_lasr) (void);
void EXPORT_FUNC (__aeabi_llsl) (void);
void EXPORT_FUNC (__aeabi_llsr) (void);
void EXPORT_FUNC (__aeabi_uidiv) (void);
void EXPORT_FUNC (__aeabi_uidivmod) (void);
void EXPORT_FUNC (__wrap___clear_cache) (void *, void *);
#endif

5
include/grub/offsets.h
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@ -103,6 +103,7 @@
#define GRUB_KERNEL_I386_IEEE1275_MOD_GAP 0x0
#define GRUB_KERNEL_I386_COREBOOT_MOD_GAP 0x0
#define GRUB_KERNEL_SPARC64_IEEE1275_MOD_GAP 0x0
#define GRUB_KERNEL_ARM_UBOOT_MOD_GAP 0x0
#define GRUB_KERNEL_POWERPC_IEEE1275_MOD_ALIGN 0x1000
#define GRUB_KERNEL_SPARC64_IEEE1275_MOD_ALIGN 0x1
@ -111,6 +112,10 @@
#define GRUB_KERNEL_MIPS_ARC_MOD_ALIGN 0x1
#define GRUB_KERNEL_MIPS_QEMU_MIPS_MOD_ALIGN 0x1
#define GRUB_KERNEL_ARM_UBOOT_MOD_ALIGN 0x8
#define GRUB_KERNEL_ARM_UBOOT_TOTAL_MODULE_SIZE 0x4
#define GRUB_KERNEL_ARM_UBOOT_LINK_ADDR 0x08000000
/* Minimal gap between _end and the start of the modules. It's a hack
for PowerMac to prevent "CLAIM failed" error. The real fix is to
rewrite grub-mkimage to generate valid ELF files. */

6
include/grub/symbol.h
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@ -29,7 +29,11 @@
#if HAVE_ASM_USCORE
#ifdef ASM_FILE
# define EXT_C(sym) _ ## sym
# ifndef (__arm__)
# define EXT_C(sym) _ ## sym
# else
# define EXT_C(sym) % ## sym
# endif
#else
# define EXT_C(sym) "_" sym
#endif

184
include/grub/uboot/api_public.h Normal file
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@ -0,0 +1,184 @@
/*
* (C) Copyright 2007-2008 Semihalf
*
* Written by: Rafal Jaworowski <raj@semihalf.com>
*
* This file is dual licensed; you can use it under the terms of
* either the GPL, or the BSD license, at your option.
*
* I. GPL:
*
* This file 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 of
* the License, or (at your option) any later version.
*
* This file 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* Alternatively,
*
* II. BSD license:
*
* 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
* documentation and/or other materials provided with the distribution.
*
* 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.
*/
#ifndef _API_PUBLIC_H_
#define _API_PUBLIC_H_
#define API_EINVAL 1 /* invalid argument(s) */
#define API_ENODEV 2 /* no device */
#define API_ENOMEM 3 /* no memory */
#define API_EBUSY 4 /* busy, occupied etc. */
#define API_EIO 5 /* I/O error */
#define API_ESYSC 6 /* syscall error */
typedef int (*scp_t) (int, int *, ...);
typedef grub_uint16_t uint16_t;
typedef grub_uint32_t uint32_t;
#define API_SIG_VERSION 1
#define API_SIG_MAGIC "UBootAPI"
#define API_SIG_MAGLEN 8
struct api_signature
{
char magic[API_SIG_MAGLEN]; /* magic string */
uint16_t version; /* API version */
uint32_t checksum; /* checksum of this sig struct */
scp_t syscall; /* entry point to the API */
};
enum
{
API_RSVD = 0,
API_GETC,
API_PUTC,
API_TSTC,
API_PUTS,
API_RESET,
API_GET_SYS_INFO,
API_UDELAY,
API_GET_TIMER,
API_DEV_ENUM,
API_DEV_OPEN,
API_DEV_CLOSE,
API_DEV_READ,
API_DEV_WRITE,
API_ENV_ENUM,
API_ENV_GET,
API_ENV_SET,
API_DISPLAY_GET_INFO,
API_DISPLAY_DRAW_BITMAP,
API_DISPLAY_CLEAR,
API_MAXCALL
};
#define MR_ATTR_FLASH 0x0001
#define MR_ATTR_DRAM 0x0002
#define MR_ATTR_SRAM 0x0003
#define MR_ATTR_MASK 0x000f
struct mem_region
{
unsigned long start;
unsigned long size;
int flags;
};
struct sys_info
{
unsigned long clk_bus;
unsigned long clk_cpu;
unsigned long bar;
struct mem_region *mr;
int mr_no; /* number of memory regions */
};
#undef CONFIG_SYS_64BIT_LBA
#ifdef CONFIG_SYS_64BIT_LBA
typedef u_int64_t lbasize_t;
#else
typedef unsigned long lbasize_t;
#endif
typedef unsigned long lbastart_t;
#define DEV_TYP_NONE 0x0000
#define DEV_TYP_NET 0x0001
#define DEV_TYP_STOR 0x0002
#define DT_STOR_IDE 0x0010
#define DT_STOR_SCSI 0x0020
#define DT_STOR_USB 0x0040
#define DT_STOR_MMC 0x0080
#define DT_STOR_SATA 0x0100
#define DEV_STA_CLOSED 0x0000 /* invalid, closed */
#define DEV_STA_OPEN 0x0001 /* open i.e. active */
struct device_info
{
int type;
void *cookie;
union
{
struct
{
lbasize_t block_count; /* no of blocks */
unsigned long block_size; /* size of one block */
} storage;
struct
{
unsigned char hwaddr[6];
} net;
} info;
#define di_stor info.storage
#define di_net info.net
int state;
};
#define DISPLAY_TYPE_LCD 0x0001
#define DISPLAY_TYPE_VIDEO 0x0002
struct display_info
{
int type;
/* screen size in pixels */
int pixel_width;
int pixel_height;
/* screen size in rows and columns of text */
int screen_rows;
int screen_cols;
};
#endif /* _API_PUBLIC_H_ */

29
include/grub/uboot/console.h Normal file
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@ -0,0 +1,29 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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_CONSOLE_MACHINE_HEADER
#define GRUB_CONSOLE_MACHINE_HEADER 1
/* Initialize the console system. */
void grub_console_init_early (void);
void grub_console_init_lately (void);
/* Exit the console system. */
void grub_console_fini (void);
#endif /* ! GRUB_CONSOLE_MACHINE_HEADER */

44
include/grub/uboot/disk.h Normal file
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@ -0,0 +1,44 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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_UBOOT_DISK_HEADER
#define GRUB_UBOOT_DISK_HEADER 1
#include <grub/symbol.h>
#include <grub/disk.h>
#include <grub/uboot/uboot.h>
void grub_ubootdisk_init (void);
void grub_ubootdisk_fini (void);
enum disktype
{ cd, fd, hd };
struct ubootdisk_data
{
struct ubootdisk_data *next;
void *cookie;
int handle;
int opencount;
enum disktype type;
grub_uint32_t block_size;
};
grub_err_t grub_ubootdisk_register (struct device_info *newdev, int handle);
#endif /* ! GRUB_UBOOT_DISK_HEADER */

150
include/grub/uboot/uboot.h Normal file
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@ -0,0 +1,150 @@
/* uboot.h - declare variables and functions for U-Boot support */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 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_UBOOT_UBOOT_HEADER
#define GRUB_UBOOT_UBOOT_HEADER 1
#include <grub/types.h>
#include <grub/dl.h>
/* Functions. */
void grub_uboot_mm_init (void);
void grub_uboot_init (void);
void grub_uboot_fini (void);
void uboot_return (int) __attribute__ ((noreturn));
grub_addr_t uboot_get_real_bss_start (void);
grub_err_t grub_uboot_probe_hardware (void);
extern grub_addr_t EXPORT_VAR (start_of_ram);
grub_uint32_t EXPORT_FUNC (uboot_get_machine_type) (void);
grub_addr_t EXPORT_FUNC (uboot_get_boot_data) (void);
/*
* The U-Boot API operates through a "syscall" interface, consisting of an
* entry point address and a set of syscall numbers. The location of this
* entry point is described in a structure allocated on the U-Boot heap.
* We scan through a defined region around the hint address passed to us
* from U-Boot.
*/
#include <grub/uboot/api_public.h>
#define UBOOT_API_SEARCH_LEN (3 * 1024 * 1024)
int uboot_api_init (void);
/* All functions below are wrappers around the uboot_syscall() function */
/*
* int API_getc(int *c)
*/
int uboot_getc (void);
/*
* int API_tstc(int *c)
*/
int uboot_tstc (void);
/*
* int API_putc(char *ch)
*/
void uboot_putc (int c);
/*
* int API_puts(const char *s)
*/
void uboot_puts (const char *s);
/*
* int API_reset(void)
*/
void EXPORT_FUNC (uboot_reset) (void);
/*
* int API_get_sys_info(struct sys_info *si)
*
* fill out the sys_info struct containing selected parameters about the
* machine
*/
struct sys_info *uboot_get_sys_info (void);
/*
* int API_udelay(unsigned long *udelay)
*/
void uboot_udelay (grub_uint32_t usec);
/*
* int API_get_timer(unsigned long *current, unsigned long *base)
*/
grub_uint32_t uboot_get_timer (grub_uint32_t base);
/*
* int API_dev_enum(struct device_info *)
*/
int uboot_dev_enum (void);
struct device_info *uboot_dev_get (int handle);
/*
* int API_dev_open(struct device_info *)
*/
int uboot_dev_open (int handle);
/*
* int API_dev_close(struct device_info *)
*/
int uboot_dev_close (int handle);
/*
* Notice: this is for sending network packets only, as U-Boot does not
* support writing to storage at the moment (12.2007)
*
* int API_dev_write(struct device_info *di, void *buf, int *len)
*/
int uboot_dev_write (int handle, void *buf, int *len);
/*
* int API_dev_read(
* struct device_info *di,
* void *buf,
* size_t *len,
* unsigned long *start
* size_t *act_len
* )
*/
int uboot_dev_read (int handle, void *buf, lbasize_t blocks,
lbastart_t start, lbasize_t * real_blocks);
int uboot_dev_recv (int handle, void *buf, int size, int *real_size);
int uboot_dev_send (int handle, void *buf, int size);
/*
* int API_env_get(const char *name, char **value)
*/
char *uboot_env_get (const char *name);
/*
* int API_env_set(const char *name, const char *value)
*/
void uboot_env_set (const char *name, const char *value);
#endif /* ! GRUB_UBOOT_UBOOT_HEADER */