Djam/arm-trusted-firmware
1
0
Fork 0
mirror of https://github.com/ARM-software/arm-trusted-firmware.git synced 2025-04-07 21:33:54 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

chore(io): remove io_dummy driver

Browse source 
In accordance with [1], delete the io_dummy driver code in preparation
for the v2.9 release.

[1] https://trustedfirmware-a.readthedocs.io/en/latest/about/release-information.html

Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
Change-Id: If80573d6f889624ef06b099fd267ee85f3a6331e
This commit is contained in:
Sandrine Bailleux 2023-04-28 15:45:43 +02:00
parent e31de867a2
commit 63e0b86538
4 changed files with 0 additions and 170 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
docs/about/release-information.rst
View file

@ -82,8 +82,6 @@ after which it will be removed.
| | Date | after | |
| | | Release | |
+================================+=============+=========+=========================================================+
| io_dummy driver | Nov'22 | 2.9 | No more used by any upstream platform |
+--------------------------------+-------------+---------+---------------------------------------------------------+
| CryptoCell-712 | 2.9 | 3.0 | No longer maintained. |
+--------------------------------+-------------+---------+---------------------------------------------------------+
| CryptoCell-713 | 2.9 | 3.0 | No longer maintained. |

155
drivers/io/io_dummy.c
View file

@ -1,155 +0,0 @@
/*
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <string.h>
#include <common/debug.h>
#include <drivers/io/io_driver.h>
#include <drivers/io/io_dummy.h>
#include <drivers/io/io_storage.h>
struct file_state {
int in_use;
size_t size;
};
static struct file_state current_file = {0};
/* Identify the device type as dummy */
static io_type_t device_type_dummy(void)
{
return IO_TYPE_DUMMY;
}
/* Dummy device functions */
static int dummy_dev_open(const uintptr_t dev_spec, io_dev_info_t **dev_info);
static int dummy_block_open(io_dev_info_t *dev_info, const uintptr_t spec,
io_entity_t *entity);
static int dummy_block_len(io_entity_t *entity, size_t *length);
static int dummy_block_read(io_entity_t *entity, uintptr_t buffer,
size_t length, size_t *length_read);
static int dummy_block_close(io_entity_t *entity);
static int dummy_dev_close(io_dev_info_t *dev_info);
static const io_dev_connector_t dummy_dev_connector = {
.dev_open = dummy_dev_open
};
static const io_dev_funcs_t dummy_dev_funcs = {
.type = device_type_dummy,
.open = dummy_block_open,
.seek = NULL,
.size = dummy_block_len,
.read = dummy_block_read,
.write = NULL,
.close = dummy_block_close,
.dev_init = NULL,
.dev_close = dummy_dev_close,
};
static const io_dev_info_t dummy_dev_info = {
.funcs = &dummy_dev_funcs,
.info = (uintptr_t)NULL
};
/* Open a connection to the dummy device */
static int dummy_dev_open(const uintptr_t dev_spec __attribute__((unused)),
io_dev_info_t **dev_info)
{
assert(dev_info != NULL);
*dev_info = (io_dev_info_t *)&dummy_dev_info;
return 0;
}
/* Close a connection to the dummy device */
static int dummy_dev_close(io_dev_info_t *dev_info)
{
return 0;
}
/* Open a file on the dummy device */
static int dummy_block_open(io_dev_info_t *dev_info, const uintptr_t spec,
io_entity_t *entity)
{
int result;
const io_block_spec_t *block_spec = (io_block_spec_t *)spec;
if (current_file.in_use == 0) {
assert(block_spec != NULL);
assert(entity != NULL);
current_file.in_use = 1;
current_file.size = block_spec->length;
entity->info = (uintptr_t)&current_file;
result = 0;
} else {
WARN("A Dummy device is already active. Close first.\n");
result = -ENOMEM;
}
return result;
}
/* Return the size of a file on the dummy device */
static int dummy_block_len(io_entity_t *entity, size_t *length)
{
assert(entity != NULL);
assert(length != NULL);
*length = ((struct file_state *)entity->info)->size;
return 0;
}
/* Read data from a file on the dummy device */
static int dummy_block_read(io_entity_t *entity, uintptr_t buffer,
size_t length, size_t *length_read)
{
assert(length_read != NULL);
*length_read = length;
return 0;
}
/* Close a file on the dummy device */
static int dummy_block_close(io_entity_t *entity)
{
assert(entity != NULL);
entity->info = 0;
current_file.in_use = 0;
return 0;
}
/* Exported functions */
/* Register the dummy driver with the IO abstraction */
int register_io_dev_dummy(const io_dev_connector_t **dev_con)
{
int result;
assert(dev_con != NULL);
result = io_register_device(&dummy_dev_info);
if (result == 0)
*dev_con = &dummy_dev_connector;
return result;
}

12
include/drivers/io/io_dummy.h
View file

@ -1,12 +0,0 @@
/*
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef IO_DUMMY_H
#define IO_DUMMY_H
int register_io_dev_dummy(const struct io_dev_connector **dev_con);
#endif /* IO_DUMMY_H */

1
include/drivers/io/io_storage.h
View file

@ -19,7 +19,6 @@ typedef enum {
IO_TYPE_INVALID,
IO_TYPE_SEMIHOSTING,
IO_TYPE_MEMMAP,
IO_TYPE_DUMMY,
IO_TYPE_FIRMWARE_IMAGE_PACKAGE,
IO_TYPE_BLOCK,
IO_TYPE_MTD,