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[POWERPC] bootwrapper: Add dt_ops methods.

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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:
Scott Wood 2007-03-16 12:27:54 -05:00 committed by Paul Mackerras
parent e85f008d01
commit a07940ba00
2 changed files with 83 additions and 10 deletions
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42
arch/powerpc/boot/flatdevtree_misc.c
View file

@ -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);

51
arch/powerpc/boot/ops.h
View file

@ -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;