1/*#
2 *#Copyright 2017, Data61
3 *#Commonwealth Scientific and Industrial Research Organisation (CSIRO)
4 *#ABN 41 687 119 230.
5 *#
6 *#This software may be distributed and modified according to the terms of
7 *#the BSD 2-Clause license. Note that NO WARRANTY is provided.
8 *#See "LICENSE_BSD2.txt" for details.
9 *#
10 *#@TAG(DATA61_BSD)
11  #*/
12#include <camkes/dataport.h>
13#include <utils/util.h>
14
15/*? macros.show_includes(me.instance.type.includes) ?*/
16
17/*# Assign client ids and badges #*/
18/*- set badges = namespace() -*/
19/*- if client_ids is not undefined -*/
20    /*- set badges.badges = client_ids.badges -*/
21/*- else -*/
22    /*- from 'rpc-connector.c' import allocate_badges with context -*/
23    /*- do allocate_badges(badges) -*/
24/*- endif -*/
25/*- set client_id = badges.badges[me.parent.from_ends.index(me)] -*/
26
27/*- if suffix is not defined -*/
28  /*- set suffix = '' -*/
29/*- endif -*/
30
31/*- set shmem_size = configuration[me.instance.name].get("%s_shmem_size" % me.interface.name, 4096) -*/
32/*- set shmem_section = 'from_%s' % me.interface.name -*/
33/*- set shmem_symbol = 'from_%s_data' % me.interface.name -*/
34/*- set shmem_name = '%s%s' % (me.interface.name, suffix) -*/
35/*- set page_size = macros.get_page_size(shmem_size, options.architecture) -*/
36/*- if page_size == 0 -*/
37  /*? raise(TemplateError('Setting %s.%s_shmem_size does not meet minimum size and alignment requirements. %d must be at least %d and %d aligned' % (me.instance.name, me.interface.name, size, 4096, 4096))) ?*/
38/*- endif -*/
39
40/*? macros.shared_buffer_symbol(sym=shmem_symbol, shmem_size=shmem_size, page_size=page_size) ?*/
41/*? register_shared_variable('%s_%s_data' % (me.parent.name, client_id), shmem_symbol, shmem_size, frame_size=page_size) ?*/
42
43volatile void * /*? shmem_name ?*/ = (volatile void *) & /*? shmem_symbol ?*/;
44
45size_t /*? me.interface.name ?*/_get_size(void) {
46    return ROUND_UP_UNSAFE(/*? shmem_size ?*/, PAGE_SIZE_4K);
47}
48
49int /*? me.interface.name ?*/_wrap_ptr(dataport_ptr_t *p, void *ptr) {
50    return -1;
51}
52
53void * /*? me.interface.name ?*/_unwrap_ptr(dataport_ptr_t *p) {
54    return NULL;
55}
56