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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2023-2024 Arduino SA
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* OpenAMP's remoteproc class.
*/
#if MICROPY_PY_OPENAMP_HOST && MICROPY_PY_OPENAMP_REMOTEPROC
#include "py/obj.h"
#include "py/nlr.h"
#include "py/runtime.h"
#include "py/stream.h"
#include "extmod/vfs.h"
#include "metal/sys.h"
#include "metal/alloc.h"
#include "metal/errno.h"
#include "metal/io.h"
#include "openamp/open_amp.h"
#include "openamp/remoteproc.h"
#include "openamp/remoteproc_loader.h"
#include "modopenamp.h"
#include "modopenamp_remoteproc.h"
#if !MICROPY_PY_OPENAMP
#error "MICROPY_PY_OPENAMP_REMOTEPROC requires MICROPY_PY_OPENAMP"
#endif
typedef struct openamp_remoteproc_obj {
mp_obj_base_t base;
struct remoteproc rproc;
} openamp_remoteproc_obj_t;
const mp_obj_type_t openamp_remoteproc_type;
// Port-defined image store operations.
extern struct image_store_ops openamp_remoteproc_store_ops;
// Port-defined remote-proc operations.
const struct remoteproc_ops openamp_remoteproc_ops = {
.init = mp_openamp_remoteproc_init,
.mmap = mp_openamp_remoteproc_mmap,
.start = mp_openamp_remoteproc_start,
.stop = mp_openamp_remoteproc_stop,
.config = mp_openamp_remoteproc_config,
.remove = mp_openamp_remoteproc_remove,
.shutdown = mp_openamp_remoteproc_shutdown,
};
static mp_obj_t openamp_remoteproc_start(mp_obj_t self_in) {
openamp_remoteproc_obj_t *self = MP_OBJ_TO_PTR(self_in);
// Start the processor to run the application.
int error = remoteproc_start(&self->rproc);
if (error != 0) {
self->rproc.state = RPROC_ERROR;
mp_raise_OSError(error);
}
return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_1(openamp_remoteproc_start_obj, openamp_remoteproc_start);
static mp_obj_t openamp_remoteproc_stop(mp_obj_t self_in) {
openamp_remoteproc_obj_t *self = MP_OBJ_TO_PTR(self_in);
// Stop the processor, but the processor is not powered down.
int error = remoteproc_stop(&self->rproc);
if (error != 0) {
mp_raise_OSError(error);
}
return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_1(openamp_remoteproc_stop_obj, openamp_remoteproc_stop);
static mp_obj_t openamp_remoteproc_shutdown(mp_obj_t self_in) {
openamp_remoteproc_obj_t *self = MP_OBJ_TO_PTR(self_in);
// Shutdown the remoteproc and release its resources.
int error = remoteproc_shutdown(&self->rproc);
if (error != 0) {
mp_raise_OSError(error);
}
return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_1(openamp_remoteproc_shutdown_obj, openamp_remoteproc_shutdown);
mp_obj_t openamp_remoteproc_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
enum { ARG_entry };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_entry, MP_ARG_OBJ | MP_ARG_REQUIRED, {.u_rom_obj = MP_ROM_NONE } },
};
// Parse args.
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
openamp_remoteproc_obj_t *self = mp_obj_malloc_with_finaliser(openamp_remoteproc_obj_t, &openamp_remoteproc_type);
// Make sure OpenAMP is initialized.
if (MP_STATE_PORT(virtio_device) == NULL) {
openamp_init();
}
// Create a remoteproc instance.
// NOTE: ports should use rproc->priv to allocate the image store,
// which gets passed to remoteproc_load(), and all of the store ops.
remoteproc_init(&self->rproc, &openamp_remoteproc_ops, NULL);
// Configure the remote before loading applications (optional).
int error = remoteproc_config(&self->rproc, NULL);
if (error != 0) {
mp_raise_OSError(error);
}
if (mp_obj_is_int(args[ARG_entry].u_obj)) {
self->rproc.bootaddr = mp_obj_int_get_truncated(args[ARG_entry].u_obj);
} else {
#if MICROPY_PY_OPENAMP_REMOTEPROC_ELFLD_ENABLE
// Load firmware.
const char *path = mp_obj_str_get_str(args[ARG_entry].u_obj);
int error = remoteproc_load(&self->rproc, path, self->rproc.priv, &openamp_remoteproc_store_ops, NULL);
if (error != 0) {
mp_raise_OSError(error);
}
#else
mp_raise_TypeError(MP_ERROR_TEXT("loading firmware is not supported."));
#endif
}
return MP_OBJ_FROM_PTR(self);
}
static const mp_rom_map_elem_t openamp_remoteproc_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_RemoteProc) },
{ MP_ROM_QSTR(MP_QSTR___del__), MP_ROM_PTR(&openamp_remoteproc_shutdown_obj) },
{ MP_ROM_QSTR(MP_QSTR_start), MP_ROM_PTR(&openamp_remoteproc_start_obj) },
{ MP_ROM_QSTR(MP_QSTR_stop), MP_ROM_PTR(&openamp_remoteproc_stop_obj) },
{ MP_ROM_QSTR(MP_QSTR_shutdown), MP_ROM_PTR(&openamp_remoteproc_shutdown_obj) },
};
static MP_DEFINE_CONST_DICT(openamp_remoteproc_dict, openamp_remoteproc_dict_table);
MP_DEFINE_CONST_OBJ_TYPE(
openamp_remoteproc_type,
MP_QSTR_RemoteProc,
MP_TYPE_FLAG_NONE,
make_new, openamp_remoteproc_make_new,
locals_dict, &openamp_remoteproc_dict
);
#endif // MICROPY_PY_OPENAMP_HOST && MICROPY_PY_OPENAMP_REMOTEPROC
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