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bbram: add support from user threads

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Provide the necessary handlers to support bbram access from userthreads
solves #61868.

Signed-off-by: Laczen JMS <laczenjms@gmail.com>
This commit is contained in:
Laczen JMS 2023-08-24 22:05:38 +02:00 committed by Carles Cufí
parent bda6656eca
commit 95bdfb5c33
2 changed files with 56 additions and 0 deletions
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1
drivers/bbram/CMakeLists.txt
View file

@ -5,6 +5,7 @@ zephyr_library()
zephyr_library_sources_ifdef(CONFIG_BBRAM_SHELL bbram_shell.c)
zephyr_library_sources_ifdef(CONFIG_USERSPACE bbram_handlers.c)
zephyr_library_sources_ifdef(CONFIG_BBRAM_NPCX bbram_npcx.c)
zephyr_library_sources_ifdef(CONFIG_BBRAM_IT8XXX2 bbram_it8xxx2.c)
zephyr_library_sources_ifdef(CONFIG_BBRAM_EMUL bbram_emul.c)

55
drivers/bbram/bbram_handlers.c Normal file
View file

@ -0,0 +1,55 @@
/*
* Copyright (c) 2023, Laczen
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/drivers/bbram.h>
#include <zephyr/syscall_handler.h>
static inline int z_vrfy_bbram_check_invalid(const struct device *dev)
{
Z_OOPS(Z_SYSCALL_OBJ(dev, K_OBJ_DRIVER_BBRAM));
return z_impl_bbram_check_invalid(dev);
}
#include <syscalls/bbram_check_invalid_mrsh.c>
static inline int z_vrfy_bbram_check_standby_power(const struct device *dev)
{
Z_OOPS(Z_SYSCALL_OBJ(dev, K_OBJ_DRIVER_BBRAM));
return z_impl_bbram_check_standby_power(dev);
}
#include <syscalls/bbram_check_standby_power_mrsh.c>
static inline int z_vrfy_bbram_check_power(const struct device *dev)
{
Z_OOPS(Z_SYSCALL_OBJ(dev, K_OBJ_DRIVER_BBRAM));
return z_impl_bbram_check_power(dev);
}
#include <syscalls/bbram_check_power_mrsh.c>
static inline int z_vrfy_bbram_get_size(const struct device *dev, size_t *size)
{
Z_OOPS(Z_SYSCALL_OBJ(dev, K_OBJ_DRIVER_BBRAM));
Z_OOPS(Z_SYSCALL_MEMORY_WRITE(size, sizeof(size_t)));
return z_impl_bbram_get_size(dev, size);
}
#include <syscalls/bbram_get_size_mrsh.c>
static inline int z_vrfy_bbram_read(const struct device *dev, size_t offset,
size_t size, uint8_t *data)
{
Z_OOPS(Z_SYSCALL_OBJ(dev, K_OBJ_DRIVER_BBRAM));
Z_OOPS(Z_SYSCALL_MEMORY_WRITE(data, size));
return z_impl_bbram_read(dev, offset, size, data);
}
#include <syscalls/bbram_read_mrsh.c>
static inline int z_vrfy_bbram_write(const struct device *dev, size_t offset,
size_t size, const uint8_t *data)
{
Z_OOPS(Z_SYSCALL_OBJ(dev, K_OBJ_DRIVER_BBRAM));
Z_OOPS(Z_SYSCALL_MEMORY_READ(data, size));
return z_impl_bbram_write(dev, offset, size, data);
}
#include <syscalls/bbram_write_mrsh.c>