kopia lustrzana https://github.com/micropython/micropython
94 wiersze
3.7 KiB
C
94 wiersze
3.7 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2023 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 Python module.
|
|
*/
|
|
#ifndef MICROPY_INCLUDED_MODOPENAMP_H
|
|
#define MICROPY_INCLUDED_MODOPENAMP_H
|
|
|
|
// Include a port config file if one is defined.
|
|
#ifdef MICROPY_PY_OPENAMP_CONFIG_FILE
|
|
#include MICROPY_PY_OPENAMP_CONFIG_FILE
|
|
#endif
|
|
|
|
// Use the default resource table layout and initialization code.
|
|
// Note ports and boards can override the default table and provide
|
|
// a custom one in openamp_rsc_table_t and openamp_rsc_table_init()
|
|
#ifndef MICROPY_PY_OPENAMP_RSC_TABLE_ENABLE
|
|
#define MICROPY_PY_OPENAMP_RSC_TABLE_ENABLE (1)
|
|
#endif
|
|
|
|
// This enables a trace buffer that can be used by remote processor for
|
|
// writing trace logs. This is enabled by default to increase the default
|
|
// resource table's compatibility with common OpenAMP examples.
|
|
#ifndef MICROPY_PY_OPENAMP_TRACE_BUF_ENABLE
|
|
#define MICROPY_PY_OPENAMP_TRACE_BUF_ENABLE (1)
|
|
#endif
|
|
|
|
// For ports that don't define a custom image store, this enables a generic
|
|
// VFS-based image store that supports loading elf files from storage.
|
|
#ifndef MICROPY_PY_OPENAMP_REMOTEPROC_STORE_ENABLE
|
|
#define MICROPY_PY_OPENAMP_REMOTEPROC_STORE_ENABLE (1)
|
|
#endif
|
|
|
|
// Enable or disable support for loading elf files. This option saves
|
|
// around 7KBs when disabled.
|
|
#ifndef MICROPY_PY_OPENAMP_REMOTEPROC_ELFLD_ENABLE
|
|
#define MICROPY_PY_OPENAMP_REMOTEPROC_ELFLD_ENABLE (1)
|
|
#endif
|
|
|
|
// The resource table is used for sharing the configuration of the virtio
|
|
// device, vrings and other resources, between the host and remote cores.
|
|
// The layout and address the table structure must match the one used in
|
|
// the remote processor's firmware.
|
|
#if MICROPY_PY_OPENAMP_RSC_TABLE_ENABLE
|
|
typedef struct openamp_rsc_table {
|
|
unsigned int version;
|
|
unsigned int num;
|
|
unsigned int reserved[2];
|
|
#if MICROPY_PY_OPENAMP_TRACE_BUF_ENABLE
|
|
unsigned int offset[2];
|
|
#else
|
|
unsigned int offset[1];
|
|
#endif
|
|
struct fw_rsc_vdev vdev;
|
|
struct fw_rsc_vdev_vring vring0;
|
|
struct fw_rsc_vdev_vring vring1;
|
|
#if MICROPY_PY_OPENAMP_TRACE_BUF_ENABLE
|
|
struct fw_rsc_trace trace;
|
|
#endif
|
|
} openamp_rsc_table_t;
|
|
#endif // MICROPY_PY_OPENAMP_RSC_TABLE_ENABLE
|
|
|
|
// Performs low-level initialization of OpenAMP, such as initializing libmetal,
|
|
// the shared resource table, shared memory regions, vrings and virtio device.
|
|
void openamp_init(void);
|
|
|
|
// Ports should run this callback in scheduler context, when
|
|
// the remote processor notifies the host of pending messages.
|
|
void openamp_remoteproc_notified(mp_sched_node_t *node);
|
|
|
|
#endif // MICROPY_INCLUDED_MODOPENAMP_H
|