Landfall

pkg/devices/util/include/memory.h

255:fcc601d70467
8 months ago Paul Boddie Fixed transfer result value for asynchronous transfers. Reformatted comments. cpm-library-improvements
     1 /*     2  * Memory and resource allocation utility functions.     3  *     4  * Copyright (C) 2018, 2019, 2023 Paul Boddie <paul@boddie.org.uk>     5  *     6  * This program is free software; you can redistribute it and/or     7  * modify it under the terms of the GNU General Public License as     8  * published by the Free Software Foundation; either version 2 of     9  * the License, or (at your option) any later version.    10  *    11  * This program is distributed in the hope that it will be useful,    12  * but WITHOUT ANY WARRANTY; without even the implied warranty of    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    14  * GNU General Public License for more details.    15  *    16  * You should have received a copy of the GNU General Public License    17  * along with this program; if not, write to the Free Software    18  * Foundation, Inc., 51 Franklin Street, Fifth Floor,    19  * Boston, MA  02110-1301, USA    20  */    21     22 #pragma once    23     24 #include <l4/io/io.h>    25 #include <l4/re/env.h>    26 #include <l4/util/util.h>    27     28 EXTERN_C_BEGIN    29     30 int find_resource(l4vbus_device_handle_t *device, l4vbus_resource_t *resource,    31                   enum l4vbus_resource_type_t type);    32     33 int get_device(char const *hid, l4io_device_handle_t *dh,    34                l4io_resource_handle_t *rh);    35     36 int get_irq(char const *hid, l4_uint32_t *start, l4_uint32_t *end);    37     38 int get_resource(l4io_device_handle_t dh, l4io_resource_t *res,    39                  enum l4vbus_resource_type_t type);    40     41 int get_memory(char const *hid, l4_addr_t *start, l4_addr_t *end);    42     43 int get_memory_complete(char const *hid, l4_addr_t *start, l4_addr_t *end,    44                         l4_addr_t *phys_start, l4_addr_t *phys_end);    45     46 EXTERN_C_END