Events groups are synchronization primitives that allow tasks to wait
for multiple conditions to be met before proceeding. They are particularly
useful in scenarios where a task needs to wait for several events to occur
simultaneously.
Signed-off-by: chao an <anchao@lixiang.com>
Some hardware devices use discontinuous framebuffers, which require SIM support for simulating discontinuous framebuffers.
Signed-off-by: jianglianfang <jianglianfang@xiaomi.com>
The standard describes trylock as follows, trylock should never cause the system to stop running:
The pthread_mutex_trylock() function shall be equivalent to
pthread_mutex_lock(), except that if the mutex object referenced by
mutex is currently locked (by any thread, including the current thread),
the call shall return immediately.
https://linux.die.net/man/3/pthread_mutex_trylock
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
There is a false positive in asan of gcc-13, we need to mask it to ensure that other parts work properly
sanitizer_common/sanitizer_common_interceptors.inc:
// FIXME: under ASan the call below may write to freed memory and corrupt
// its metadata. See
// https://github.com/google/sanitizers/issues/321.
==572161==ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address 0xed3d3f00 at pc 0xef46af64 bp 0xed3d3de8 sp 0xed3d39bc
WRITE of size 128 at 0xed3d3f00 thread T0
#0 0xef46af63 in __interceptor_pthread_sigmask ../../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:4419
#1 0x5486aa7d in up_irq_save sim/posix/sim_hostirq.c:97
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
We can send and receive data through device files
nuttx: /dev/cdc-wdm2
linux: /dev/cdc-wdm1
The number suffix depends on the actual situation.
And send and receive messages through network cards.
Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
This code is licensed under BSD-4-Clause license which may render the OS unusable for some products.
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
It can only read the contents of the first buffer, so fblen should be changed to ensure that it can read the second buffer as well.
Signed-off-by: jianglianfang <jianglianfang@xiaomi.com>
armv7-m/arm_mpu.c: In function 'mpu_dump_region':
armv7-m/arm_mpu.c:621:13: warning: format '%X' expects argument of type 'unsigned int', but argument 4 has type 'long unsigned int' [-Wformat=]
621 | _info("MPU-%d, alignedbase=0%08X l2size=%"PRIu32" SRD=%X"
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
armv7-m/arm_mpu.c:621:13: warning: format '%X' expects argument of type 'unsigned int', but argument 6 has type 'long unsigned int' [-Wformat=]
621 | _info("MPU-%d, alignedbase=0%08X l2size=%"PRIu32" SRD=%X"
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
armv7-m/arm_mpu.c:621:13: warning: format '%X' expects argument of type 'unsigned int', but argument 7 has type 'long unsigned int' [-Wformat=]
621 | _info("MPU-%d, alignedbase=0%08X l2size=%"PRIu32" SRD=%X"
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
armv7-m/arm_mpu.c:621:13: warning: format '%u' expects argument of type 'unsigned int', but argument 8 has type 'long unsigned int' [-Wformat=]
621 | _info("MPU-%d, alignedbase=0%08X l2size=%"PRIu32" SRD=%X"
Signed-off-by: fangxinyong <fangxinyong@xiaomi.com>
Due to the xtensa mpu feature, the size of the Region depends on the Base of the next Region. e.g.
Region[1] = 0x20000000
Region[0] = 0x30000000
Then Region[1] length = Region[0] - Region[1]
So this approach is not suitable to implement the behavior of cleaning
up the Region and such a configuration will result in affecting the very beginning (the higher) Region
Therefore, to address this feature, in this change we return the Region
value and implement the ability to modify the target Region's attributes
Signed-off-by: chenrun1 <chenrun1@xiaomi.com>
Modified the input parameters of mpu_initialize to require the caller to provide the number of entries in the table
Signed-off-by: chenrun1 <chenrun1@xiaomi.com>
./build.sh sim:usbdev -j12
sudo gdb nuttx/nuttx -ex "source nuttx/tools/gdb/__init__.py"
below command to create mbim NIC on host
nsh> conn 3
NuttX's MBIM device implementation adds an additional MBIM network
card to the NuttX system, which can debug the data communication with
the host, but this network card is unnecessary and needs to be removed
when the business actually uses this driver, And the cdcncm_receive
method needs to be re-implemented.
Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
chao an