elf.c File Reference

#include <fcntl.h>
#include <libfdt/libfdt.h>
#include <nocfe/cfe.h>
#include <ppc/cache.h>
#include <ppc/register.h>
#include <ppc/timebase.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time/time.h>
#include <unistd.h>
#include <xenon_soc/xenon_power.h>
#include "elf.h"
#include "elf_abi.h"
#include "xetypes.h"

Include dependency graph for elf.c:

Go to the source code of this file.

Macros
#define	ELF_DEVTREE_START   ((void *)0x85FE0000)
#define	ELF_DEVTREE_MAX_SIZE   0x00010000
#define	MAX_CMDLINE_SIZE   255
#define	INITRD_RELOC_START   ((void *)0x86000000)
#define	INITRD_MAX_SIZE   (32 * 1024 * 1024)
#define	ELF_CODE_STACK_END   ((void *)0x87F80000)
#define	ELF_CODE_RELOC_START   ((void *)0x87F80000)
#define	ELF_CODE_MAX_SIZE   0x00080000
#define	ELF_TEMP_BEGIN   ((void *)0x88000000)
#define	ELF_MAX_SIZE   0x03000000
#define	ELF_DATA_RELOC_START   ((void *)0x8B000000)
#define	ELF_ARGV_BEGIN   ((void *)0x8E000000)
#define	ELF_GET_RELOCATED(x)    (ELF_CODE_RELOC_START + ((unsigned long)(x) - (unsigned long)elfldr_start))
#define	ELF_GET_RELOCATED_REAL(x)   (void*)((uint64_t)ELF_GET_RELOCATED(x) & 0x1FFFFFFF)
#define	ELF_DEBUG   1
#define	LINESIZE   128

Functions
void	shutdown_drivers ()
void	elf_call_real (uint64_t function,...)
void	elf_run (unsigned long entry, unsigned long devtree)
void	elf_hold_thread ()
char *	argv_GetFilename (const char *argv)
char *	argv_GetFilepath (const char *argv)
char *	argv_GetDevice (const char *argv)
void	elf_setArgcArgv (int argc, char *argv[])
int	elf_runFromMemory (void *addr, int size)
int	elf_runFromDisk (char *filename)
int	elf_runWithDeviceTree (void *elf_addr, int elf_size, void *dt_addr, int dt_size)
int	kernel_prepare_initrd (void *start, size_t size)
void	kernel_relocate_initrd (void *start, size_t size)
void	kernel_reset_initrd (void)
void	kernel_build_cmdline (const char *parameters, const char *root)

Variables
unsigned char	elfldr_start []
unsigned char	elfldr_end []
unsigned char	pagetable_end []
volatile unsigned long	elf_secondary_hold_addr
volatile unsigned long	elf_secondary_count

Macro Definition Documentation

ELF_ARGV_BEGIN

#define ELF_ARGV_BEGIN   ((void *)0x8E000000)

Definition at line 46 of file elf.c.

ELF_CODE_MAX_SIZE

#define ELF_CODE_MAX_SIZE   0x00080000

Definition at line 38 of file elf.c.

ELF_CODE_RELOC_START

#define ELF_CODE_RELOC_START   ((void *)0x87F80000)

Definition at line 37 of file elf.c.

ELF_CODE_STACK_END

#define ELF_CODE_STACK_END   ((void *)0x87F80000)

Definition at line 36 of file elf.c.

ELF_DATA_RELOC_START

#define ELF_DATA_RELOC_START   ((void *)0x8B000000)

Definition at line 45 of file elf.c.

ELF_DEBUG

#define ELF_DEBUG   1

Definition at line 51 of file elf.c.

ELF_DEVTREE_MAX_SIZE

#define ELF_DEVTREE_MAX_SIZE   0x00010000

Definition at line 27 of file elf.c.

ELF_DEVTREE_START

#define ELF_DEVTREE_START   ((void *)0x85FE0000)

Definition at line 26 of file elf.c.

ELF_GET_RELOCATED

#define ELF_GET_RELOCATED

(

x

)

(ELF_CODE_RELOC_START + ((unsigned long)(x) - (unsigned long)elfldr_start))

Definition at line 47 of file elf.c.

ELF_GET_RELOCATED_REAL

#define ELF_GET_RELOCATED_REAL

(

x

)

(void*)((uint64_t)ELF_GET_RELOCATED(x) & 0x1FFFFFFF)

Definition at line 49 of file elf.c.

ELF_MAX_SIZE

#define ELF_MAX_SIZE   0x03000000

Definition at line 42 of file elf.c.

ELF_TEMP_BEGIN

#define ELF_TEMP_BEGIN   ((void *)0x88000000)

Definition at line 41 of file elf.c.

INITRD_MAX_SIZE

#define INITRD_MAX_SIZE   (32 * 1024 * 1024)

Definition at line 31 of file elf.c.

INITRD_RELOC_START

#define INITRD_RELOC_START   ((void *)0x86000000)

Definition at line 30 of file elf.c.

LINESIZE

#define LINESIZE   128

Definition at line 109 of file elf.c.

MAX_CMDLINE_SIZE

#define MAX_CMDLINE_SIZE   255

Definition at line 28 of file elf.c.

Function Documentation

argv_GetDevice()

char * argv_GetDevice

(

const char *

argv

)

Definition at line 285 of file elf.c.

argv_GetFilename()

char * argv_GetFilename

(

const char *

argv

)

Definition at line 253 of file elf.c.

argv_GetFilepath()

char * argv_GetFilepath

(

const char *

argv

)

Definition at line 269 of file elf.c.

elf_call_real()

void elf_call_real	(	uint64_t	function,
			...
	)

elf_hold_thread()

void elf_hold_thread

(

)

elf_run()

void elf_run	(	unsigned long	entry,
		unsigned long	devtree
	)

elf_runFromDisk()

int elf_runFromDisk

(

char *

filename

)

Definition at line 434 of file elf.c.

elf_runFromMemory()

int elf_runFromMemory	(	void *	addr,
		int	size
	)

Definition at line 367 of file elf.c.

elf_runWithDeviceTree()

int elf_runWithDeviceTree	(	void *	elf_addr,
		int	elf_size,
		void *	dt_addr,
		int	dt_size
	)

Definition at line 457 of file elf.c.

elf_setArgcArgv()

void elf_setArgcArgv	(	int	argc,
		char *	argv[]
	)

Definition at line 301 of file elf.c.

kernel_build_cmdline()

void kernel_build_cmdline	(	const char *	parameters,
		const char *	root
	)

Definition at line 579 of file elf.c.

kernel_prepare_initrd()

int kernel_prepare_initrd	(	void *	start,
		size_t	size
	)

Definition at line 541 of file elf.c.

kernel_relocate_initrd()

void kernel_relocate_initrd	(	void *	start,
		size_t	size
	)

Definition at line 557 of file elf.c.

kernel_reset_initrd()

void kernel_reset_initrd

(

void

)

Definition at line 571 of file elf.c.

shutdown_drivers()

void shutdown_drivers

(

)

Definition at line 92 of file xenon_syscalls.c.

Variable Documentation

elf_secondary_count

volatile unsigned long elf_secondary_count

extern

elf_secondary_hold_addr

volatile unsigned long elf_secondary_hold_addr

extern

elfldr_end

unsigned char elfldr_end[]

Definition at line 56 of file elf.c.

elfldr_start

unsigned char elfldr_start[]

extern

pagetable_end

unsigned char pagetable_end[]

Definition at line 56 of file elf.c.