/trunk/boot/genarch/ofw_tree.h |
---|
37,15 → 37,17 |
typedef struct ofw_tree_node ofw_tree_node_t; |
typedef struct ofw_tree_property ofw_tree_property_t; |
/** Memory representation of OpenFirmware device tree node. */ |
struct ofw_tree_node { |
ofw_tree_node_t *parent; |
ofw_tree_node_t *peer; |
ofw_tree_node_t *child; |
unsigned properties; |
unsigned properties; /**< Number of properties. */ |
ofw_tree_property_t *property; |
}; |
/** Memory representation of OpenFirmware device tree node property. */ |
struct ofw_tree_property { |
char name[OFW_TREE_PROPERTY_MAX_NAMELEN]; |
size_t size; |
/trunk/boot/genarch/balloc.h |
---|
0,0 → 1,42 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef BOOT_BALLOC_H_ |
#define BOOT_BALLOC_H_ |
#include <types.h> |
typedef struct { |
uintptr_t base; |
size_t size; |
} ballocs_t; |
extern void balloc_init(ballocs_t *b, uintptr_t base); |
extern void *balloc(size_t size, size_t alignment); |
#endif |
/trunk/boot/genarch/ofw_tree.c |
---|
30,20 → 30,21 |
#include <ofw.h> |
#include <types.h> |
#include <string.h> |
#include <balloc.h> |
static ofw_tree_node_t *ofw_tree_node_alloc(void) |
{ |
return NULL; |
return balloc(sizeof(ofw_tree_node_t), sizeof(ofw_tree_node_t)); |
} |
static ofw_tree_property_t *ofw_tree_properties_alloc(unsigned count) |
{ |
return NULL; |
return balloc(count * sizeof(ofw_tree_property_t), sizeof(ofw_tree_property_t)); |
} |
static void * ofw_tree_space_alloc(size_t size) |
{ |
return NULL; |
return balloc(size, size); |
} |
/** Transfer information from one OpenFirmware node into its memory representation. |
/trunk/boot/genarch/balloc.c |
---|
0,0 → 1,54 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <balloc.h> |
#include <types.h> |
#include <align.h> |
static ballocs_t *ballocs; |
void balloc_init(ballocs_t *b, uintptr_t base) |
{ |
ballocs = b; |
ballocs->base = base; |
ballocs->size = 0; |
} |
void *balloc(size_t size, size_t alignment) |
{ |
uintptr_t addr; |
/* Enforce minimal alignment. */ |
alignment = ALIGN_UP(alignment, 4); |
addr = ballocs->base + ALIGN_UP(ballocs->size, alignment); |
ballocs->size = ALIGN_UP(ballocs->size, alignment) + size; |
return (void *) addr; |
} |