mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-23 09:56:00 +00:00
[POWERPC] bootwrapper: Add dt_ops methods.
Add get_parent, create_node, and find_node_by_prop_value to dt_ops. Currently only implemented by flatdevtree_misc. Also, add a _str convenience wrapper for setprop. Signed-off-by: Scott Wood <scottwood@freescale.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
parent
e85f008d01
commit
a07940ba00
arch/powerpc/boot
@ -16,24 +16,43 @@
|
||||
|
||||
static struct ft_cxt cxt;
|
||||
|
||||
static void *ft_finddevice(const char *name)
|
||||
static void *fdtm_finddevice(const char *name)
|
||||
{
|
||||
return ft_find_device(&cxt, name);
|
||||
}
|
||||
|
||||
static int ft_getprop(const void *phandle, const char *propname, void *buf,
|
||||
const int buflen)
|
||||
static int fdtm_getprop(const void *phandle, const char *propname,
|
||||
void *buf, const int buflen)
|
||||
{
|
||||
return ft_get_prop(&cxt, phandle, propname, buf, buflen);
|
||||
}
|
||||
|
||||
static int ft_setprop(const void *phandle, const char *propname,
|
||||
const void *buf, const int buflen)
|
||||
static int fdtm_setprop(const void *phandle, const char *propname,
|
||||
const void *buf, const int buflen)
|
||||
{
|
||||
return ft_set_prop(&cxt, phandle, propname, buf, buflen);
|
||||
}
|
||||
|
||||
static unsigned long ft_finalize(void)
|
||||
static void *fdtm_get_parent(const void *phandle)
|
||||
{
|
||||
return ft_get_parent(&cxt, phandle);
|
||||
}
|
||||
|
||||
static void *fdtm_create_node(const void *phandle, const char *name)
|
||||
{
|
||||
return ft_create_node(&cxt, phandle, name);
|
||||
}
|
||||
|
||||
static void *fdtm_find_node_by_prop_value(const void *prev,
|
||||
const char *propname,
|
||||
const char *propval,
|
||||
int proplen)
|
||||
{
|
||||
return ft_find_node_by_prop_value(&cxt, prev, propname,
|
||||
propval, proplen);
|
||||
}
|
||||
|
||||
static unsigned long fdtm_finalize(void)
|
||||
{
|
||||
ft_end_tree(&cxt);
|
||||
return (unsigned long)cxt.bph;
|
||||
@ -41,10 +60,13 @@ static unsigned long ft_finalize(void)
|
||||
|
||||
int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device)
|
||||
{
|
||||
dt_ops.finddevice = ft_finddevice;
|
||||
dt_ops.getprop = ft_getprop;
|
||||
dt_ops.setprop = ft_setprop;
|
||||
dt_ops.finalize = ft_finalize;
|
||||
dt_ops.finddevice = fdtm_finddevice;
|
||||
dt_ops.getprop = fdtm_getprop;
|
||||
dt_ops.setprop = fdtm_setprop;
|
||||
dt_ops.get_parent = fdtm_get_parent;
|
||||
dt_ops.create_node = fdtm_create_node;
|
||||
dt_ops.find_node_by_prop_value = fdtm_find_node_by_prop_value;
|
||||
dt_ops.finalize = fdtm_finalize;
|
||||
|
||||
return ft_open(&cxt, dt_blob, max_size, max_find_device,
|
||||
platform_ops.realloc);
|
||||
|
@ -13,6 +13,7 @@
|
||||
|
||||
#include <stddef.h>
|
||||
#include "types.h"
|
||||
#include "string.h"
|
||||
|
||||
#define COMMAND_LINE_SIZE 512
|
||||
#define MAX_PATH_LEN 256
|
||||
@ -37,6 +38,12 @@ struct dt_ops {
|
||||
const int buflen);
|
||||
int (*setprop)(const void *phandle, const char *name,
|
||||
const void *buf, const int buflen);
|
||||
void *(*get_parent)(const void *phandle);
|
||||
/* The node must not already exist. */
|
||||
void *(*create_node)(const void *parent, const char *name);
|
||||
void *(*find_node_by_prop_value)(const void *prev,
|
||||
const char *propname,
|
||||
const char *propval, int proplen);
|
||||
unsigned long (*finalize)(void);
|
||||
};
|
||||
extern struct dt_ops dt_ops;
|
||||
@ -89,6 +96,50 @@ static inline int setprop(void *devp, const char *name, void *buf, int buflen)
|
||||
return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1;
|
||||
}
|
||||
|
||||
static inline int setprop_str(void *devp, const char *name, const char *buf)
|
||||
{
|
||||
if (dt_ops.setprop)
|
||||
return dt_ops.setprop(devp, name, buf, strlen(buf) + 1);
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
static inline void *get_parent(const char *devp)
|
||||
{
|
||||
return dt_ops.get_parent ? dt_ops.get_parent(devp) : NULL;
|
||||
}
|
||||
|
||||
static inline void *create_node(const void *parent, const char *name)
|
||||
{
|
||||
return dt_ops.create_node ? dt_ops.create_node(parent, name) : NULL;
|
||||
}
|
||||
|
||||
|
||||
static inline void *find_node_by_prop_value(const void *prev,
|
||||
const char *propname,
|
||||
const char *propval, int proplen)
|
||||
{
|
||||
if (dt_ops.find_node_by_prop_value)
|
||||
return dt_ops.find_node_by_prop_value(prev, propname,
|
||||
propval, proplen);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static inline void *find_node_by_prop_value_str(const void *prev,
|
||||
const char *propname,
|
||||
const char *propval)
|
||||
{
|
||||
return find_node_by_prop_value(prev, propname, propval,
|
||||
strlen(propval) + 1);
|
||||
}
|
||||
|
||||
static inline void *find_node_by_devtype(const void *prev,
|
||||
const char *type)
|
||||
{
|
||||
return find_node_by_prop_value_str(prev, "device_type", type);
|
||||
}
|
||||
|
||||
static inline void *malloc(u32 size)
|
||||
{
|
||||
return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL;
|
||||
|
Loading…
Reference in New Issue
Block a user