ofw_fdt.h 文件参考

#include <mm_page.h>
#include <drivers/ofw.h>

ofw_fdt.h 的引用(Include)关系图:

浏览该文件的源代码.

结构体
struct	rt_fdt_earlycon
struct	rt_fdt_earlycon_id

宏定义
#define	FDT_EARLYCON_KICK_UPDATE   0
#define	FDT_EARLYCON_KICK_COMPLETED   1
#define	RT_FDT_EARLYCON_EXPORT(_name, _type, _compatible, _setup)

函数
const char *	rt_fdt_node_name (const char *full_name)
rt_uint64_t	rt_fdt_read_number (const fdt32_t *cell, int size)
rt_uint64_t	rt_fdt_next_cell (const fdt32_t **cellptr, int size)
rt_uint64_t	rt_fdt_translate_address (void *fdt, int nodeoffset, rt_uint64_t address)
rt_bool_t	rt_fdt_device_is_available (void *fdt, int nodeoffset)
rt_err_t	rt_fdt_commit_memregion_early (rt_region_t *region, rt_bool_t is_reserved)
rt_err_t	rt_fdt_commit_memregion_request (rt_region_t **out_region, rt_size_t *out_nr, rt_bool_t is_reserved)
rt_err_t	rt_fdt_prefetch (void *fdt)
rt_err_t	rt_fdt_scan_root (void)
rt_err_t	rt_fdt_scan_memory (void)
rt_err_t	rt_fdt_scan_initrd (rt_uint64_t *ranges)
rt_err_t	rt_fdt_model_dump (void)
rt_err_t	rt_fdt_boot_dump (void)
void	rt_fdt_earlycon_output (const char *str)
void	rt_fdt_earlycon_kick (int why)
rt_err_t	rt_fdt_scan_chosen_stdout (void)
rt_err_t	rt_fdt_bootargs_select (const char *key, int index, const char **out_result)
rt_err_t	rt_fdt_unflatten (void)
struct rt_ofw_node *	rt_fdt_unflatten_single (void *fdt)

宏定义说明

FDT_EARLYCON_KICK_UPDATE

#define FDT_EARLYCON_KICK_UPDATE   0

在文件 ofw_fdt.h 第 29 行定义.

FDT_EARLYCON_KICK_COMPLETED

#define FDT_EARLYCON_KICK_COMPLETED   1

在文件 ofw_fdt.h 第 30 行定义.

RT_FDT_EARLYCON_EXPORT

#define RT_FDT_EARLYCON_EXPORT	(		_name,
			_type,
			_compatible,
			_setup )

值:

static const struct rt_fdt_earlycon_id __rt_fdt_##_name##_earlycon  \
rt_used RT_OFW_SYMBOL(earlycon, _) =                                \
{                                                                   \
    .name = #_name,                                                 \
    .type = _type,                                                  \
    .compatible = _compatible,                                      \
    .setup = _setup,                                                \
}

在文件 ofw_fdt.h 第 45 行定义.

#define RT_FDT_EARLYCON_EXPORT(_name, _type, _compatible, _setup)   \
static const struct rt_fdt_earlycon_id __rt_fdt_##_name##_earlycon  \
rt_used RT_OFW_SYMBOL(earlycon, _) =                                \
{                                                                   \
    .name = #_name,                                                 \
    .type = _type,                                                  \
    .compatible = _compatible,                                      \
    .setup = _setup,                                                \
}

函数说明

rt_fdt_node_name()

const char * rt_fdt_node_name

(

const char *

full_name

)

rt_fdt_read_number()

rt_uint64_t rt_fdt_read_number	(	const fdt32_t *	cell,
		int	size )

rt_fdt_next_cell()

rt_uint64_t rt_fdt_next_cell	(	const fdt32_t **	cellptr,
		int	size )

rt_fdt_translate_address()

rt_uint64_t rt_fdt_translate_address	(	void *	fdt,
		int	nodeoffset,
		rt_uint64_t	address )

rt_fdt_device_is_available()

rt_bool_t rt_fdt_device_is_available	(	void *	fdt,
		int	nodeoffset )

rt_fdt_commit_memregion_early()

rt_err_t rt_fdt_commit_memregion_early	(	rt_region_t *	region,
		rt_bool_t	is_reserved )

rt_fdt_commit_memregion_request()

rt_err_t rt_fdt_commit_memregion_request	(	rt_region_t **	out_region,
		rt_size_t *	out_nr,
		rt_bool_t	is_reserved )

rt_fdt_prefetch()

rt_err_t rt_fdt_prefetch

(

void *

fdt

)

rt_fdt_scan_root()

rt_err_t rt_fdt_scan_root

(

void

)

rt_fdt_scan_memory()

rt_err_t rt_fdt_scan_memory

(

void

)

rt_fdt_scan_initrd()

rt_err_t rt_fdt_scan_initrd

(

rt_uint64_t *

ranges

)

rt_fdt_model_dump()

rt_err_t rt_fdt_model_dump

(

void

)

rt_fdt_boot_dump()

rt_err_t rt_fdt_boot_dump

(

void

)

rt_fdt_earlycon_output()

void rt_fdt_earlycon_output

(

const char *

str

)

rt_fdt_earlycon_kick()

void rt_fdt_earlycon_kick

(

int

why

)

rt_fdt_scan_chosen_stdout()

rt_err_t rt_fdt_scan_chosen_stdout

(

void

)

rt_fdt_bootargs_select()

rt_err_t rt_fdt_bootargs_select	(	const char *	key,
		int	index,
		const char **	out_result )

rt_fdt_unflatten()

rt_err_t rt_fdt_unflatten

(

void

)

rt_fdt_unflatten_single()

struct rt_ofw_node * rt_fdt_unflatten_single

(

void *

fdt

)