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/* File: libfdt.i */
%module libfdt
%{
#define SWIG_FILE_WITH_INIT
#include "libfdt.h"
%}
%pythoncode %{
def Raise(errnum):
raise ValueError('Error %s' % fdt_strerror(errnum))
def Name(fdt, offset):
name, len = fdt_get_name(fdt, offset)
return name
def String(fdt, offset):
offset = fdt32_to_cpu(offset)
name = fdt_string(fdt, offset)
return name
def swap32(x):
return (((x << 24) & 0xFF000000) |
((x << 8) & 0x00FF0000) |
((x >> 8) & 0x0000FF00) |
((x >> 24) & 0x000000FF))
def fdt32_to_cpu(x):
return swap32(x)
def Data(prop):
set_prop(prop)
return get_prop_data()
%}
%include "typemaps.i"
%include "cstring.i"
%typemap(in) void* = char*;
typedef int fdt32_t;
struct fdt_property {
fdt32_t tag;
fdt32_t len;
fdt32_t nameoff;
char data[0];
};
/*
* This is a work-around since I'm not sure of a better way to copy out the
* contents of a string. This is used in dtoc/GetProps(). The intent is to
* pass in a pointer to a property and access the data field at the end of
* it. Ideally the Data() function above would be able to do this directly,
* but I'm not sure how to do that.
*/
#pragma SWIG nowarn=454
%inline %{
static struct fdt_property *cur_prop;
void set_prop(struct fdt_property *prop) {
cur_prop = prop;
}
%}
%cstring_output_allocate_size(char **s, int *sz, free(*$1));
%inline %{
void get_prop_data(char **s, int *sz) {
*sz = fdt32_to_cpu(cur_prop->len);
*s = (char *)malloc(*sz);
if (!*s)
*sz = 0;
else
memcpy(*s, cur_prop + 1, *sz);
}
%}
%typemap(in) (const void *) {
if (!PyByteArray_Check($input)) {
SWIG_exception_fail(SWIG_TypeError, "in method '" "$symname" "', argument "
"$argnum"" of type '" "$type""'");
}
$1 = (void *) PyByteArray_AsString($input);
}
const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int checklen);
int fdt_path_offset(const void *fdt, const char *path);
int fdt_first_property_offset(const void *fdt, int nodeoffset);
int fdt_next_property_offset(const void *fdt, int offset);
const char *fdt_strerror(int errval);
const struct fdt_property *fdt_get_property_by_offset(const void *fdt,
int offset,
int *OUTPUT);
const char *fdt_get_name(const void *fdt, int nodeoffset, int *OUTPUT);
const char *fdt_string(const void *fdt, int stroffset);
int fdt_first_subnode(const void *fdt, int offset);
int fdt_next_subnode(const void *fdt, int offset);
%typemap(in) (void *) {
if (!PyByteArray_Check($input)) {
SWIG_exception_fail(SWIG_TypeError, "in method '" "$symname" "', argument "
"$argnum"" of type '" "$type""'");
}
$1 = PyByteArray_AsString($input);
}
int fdt_delprop(void *fdt, int nodeoffset, const char *name);
const char *fdt_strerror(int errval);
int fdt_pack(void *fdt);
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