All Questions
6
questions
0
votes
0
answers
632
views
Configure amount of reserved memory for Linux kernel
I am running Linux on an embedded device with 64MB of physical RAM. Linux prints the following message when it boots:
[ 0.000000] Memory: 58944K/65536K available (3072K
kernel code, 576K rwdata, 832K ...
- 1
34
votes
3
answers
10k
views
How is the memory inside card chips read without a power source? [closed]
When we use our debit cards or any card with a chip inside of it that gets immediately read when scanned, how is the memory inside the chip retrieved since the card isn't exactly "turned on" much like ...
- 371
0
votes
1
answer
2k
views
Why embedded linux(yocto) can't use whole memory of rootfs partition?
I've build Linux image with yocto and deployed it on IMX6qpsabreauto board.
Filesystem was deployed on a second partition of SD Card formatted to ext4.
Everything seems to work fine except that I ...
- 123
2
votes
0
answers
538
views
Do real time operating systems support paging? [closed]
Is it possible to run multiple processes, not threads, on a microcontroller using an RTOS?
If not, I can't see a reason for not always using a flat memory model? Without multiple processes, I can't ...
- 131
22
votes
6
answers
6k
views
Can we run Linux in something faster than RAM?
This is perhaps a silly question, and may be the result of a misunderstanding. I'm studying CPU's right now, and memory in particular. I was just reading about how much faster SRAM is than DRAM but ...
- 906
2
votes
2
answers
2k
views
Parameters for selection of Operating system, memory and processor for embedded system?
I am developing an embedded real time system software (in C language). I have designed the s/w architecture - we know various objects required, interactions required between various objects and IPC ...
- 545