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/*
* Copyright 2011-2012 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include <volk/volk_common.h>
#include "volk_machines.h"
#include <volk/volk_typedefs.h>
#include <volk/volk_cpu.h>
#include "volk_rank_archs.h"
#include <volk/volk.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
static size_t __alignment = 0;
static intptr_t __alignment_mask = 0;
struct volk_machine *get_machine(void) {
extern struct volk_machine *volk_machines[];
extern unsigned int n_volk_machines;
static struct volk_machine *machine = NULL;
if(machine != NULL) return machine;
else {
unsigned int max_score = 0;
unsigned int i;
for(i=0; i<n_volk_machines; i++) {
if(!(volk_machines[i]->caps & (~volk_get_lvarch()))) {
if(volk_machines[i]->caps > max_score) {
max_score = volk_machines[i]->caps;
machine = volk_machines[i];
}
}
}
printf("Using Volk machine: %s\n", machine->name);
__alignment = machine->alignment;
__alignment_mask = (intptr_t)(__alignment-1);
return machine;
}
}
size_t volk_get_alignment(void)
{
get_machine(); //ensures alignment is set
return __alignment;
}
bool volk_is_aligned(const void *ptr)
{
return ((intptr_t)(ptr) & __alignment_mask) == 0;
}
#define LV_HAVE_GENERIC
#define LV_HAVE_DISPATCHER
#for $kern in $kernels
#if $kern.has_dispatcher
#include <volk/$(kern.name).h> //pulls in the dispatcher
#end if
static inline void __$(kern.name)_d($kern.arglist_full)
{
#if $kern.has_dispatcher
$(kern.name)_dispatcher($kern.arglist_names);
return;
#end if
if (volk_is_aligned(
#set $num_open_parens = 0
#for $arg_type, $arg_name in $kern.args
#if '*' in $arg_type
VOLK_OR_PTR($arg_name,
#set $num_open_parens += 1
#end if
#end for
0$(')'*$num_open_parens)
)){
$(kern.name)_a($kern.arglist_names);
}
else{
$(kern.name)_u($kern.arglist_names);
}
}
static inline void __init_$(kern.name)(void)
{
const char *name = get_machine()->$(kern.name)_name;
const char **impl_names = get_machine()->$(kern.name)_impl_names;
const int *impl_deps = get_machine()->$(kern.name)_impl_deps;
const bool *alignment = get_machine()->$(kern.name)_impl_alignment;
const size_t n_impls = get_machine()->$(kern.name)_n_impls;
const size_t index_a = volk_rank_archs(name, impl_names, impl_deps, alignment, n_impls, true/*aligned*/);
const size_t index_u = volk_rank_archs(name, impl_names, impl_deps, alignment, n_impls, false/*unaligned*/);
$(kern.name)_a = get_machine()->$(kern.name)_impls[index_a];
$(kern.name)_u = get_machine()->$(kern.name)_impls[index_u];
assert($(kern.name)_a);
assert($(kern.name)_u);
$(kern.name) = &__$(kern.name)_d;
}
static inline void __$(kern.name)_a($kern.arglist_full)
{
__init_$(kern.name)();
$(kern.name)_a($kern.arglist_names);
}
static inline void __$(kern.name)_u($kern.arglist_full)
{
__init_$(kern.name)();
$(kern.name)_u($kern.arglist_names);
}
static inline void __$(kern.name)($kern.arglist_full)
{
__init_$(kern.name)();
$(kern.name)($kern.arglist_names);
}
$kern.pname $(kern.name)_a = &__$(kern.name)_a;
$kern.pname $(kern.name)_u = &__$(kern.name)_u;
$kern.pname $(kern.name) = &__$(kern.name);
void $(kern.name)_manual($kern.arglist_full, const char* impl_name)
{
const int index = volk_get_index(
get_machine()->$(kern.name)_impl_names,
get_machine()->$(kern.name)_n_impls,
impl_name
);
get_machine()->$(kern.name)_impls[index](
$kern.arglist_names
);
}
volk_func_desc_t $(kern.name)_get_func_desc(void) {
const char **impl_names = get_machine()->$(kern.name)_impl_names;
const int *impl_deps = get_machine()->$(kern.name)_impl_deps;
const bool *alignment = get_machine()->$(kern.name)_impl_alignment;
const size_t n_impls = get_machine()->$(kern.name)_n_impls;
volk_func_desc_t desc = {
impl_names,
impl_deps,
alignment,
n_impls
};
return desc;
}
#end for
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