About memory allocation for DMA on platforms with MMU/cache

above, I tentatively addressed it by referring to the graphics framebuffer driver and using a static allocation of non-cacheable space. Regards, KIKUCHI Takeyoshi kiku...@centurysys.co.jp

Re: Bootloaders other than u-boot?

On 2023/07/01 18:56, Tim Hardisty wrote: Bottom line: has anyone used any bootloader other than u-boot to allow usb dfu or RNDIS-type firmware updates, and that easily boot NuttX? We are using a SAMA5D26 based board with dual boot Linux/NuttX using barebox (https://www.barebox.org/). We hav

Re: [Question] About block device partition support

rw-rw- 268435456 mmcblk1p1 brw-rw-rw- 1746927616 mmcblk1p2 crw-rw-rw- 0 null crw-rw-rw- 0 rtc0 crw-rw-rw- 0 telnet crw-rw-rw- 0 ttyS0 crw-rw-rw- 0 tun crw-rw-rw- 0 zero KIKUCHI Takeyoshi On 2023/03/09 15:11, Xiang Xiao wrote: O

[Question] About block device partition support

ition", but it is not called from anywhere.) Is there an intentional reason for not parsing partitions? Would it be a problem to add an automatic partition parsing process call? KIKUCHI Takeyoshi --- kiku...@centurysys.co.jp

Re: Maximum file descriptor number in select()?

Hi Greg, Sorry, it seems that the same one was delivered late, probably because I sent it with the wrong email source account (not the one I subscribed to the list). best regards, KIKUCHI Takeyoshi On 2023/02/19 9:20, Gregory Nutt wrote: The maximum number of file descriptors is a constant

Maximum file descriptor number in select()?

by the user at build time. - var FD_MAX* {.importc: "CONFIG_LWIP_MAX_SOCKETS", header: "".} : cint ----- best regards, KIKUCHI Takeyoshi

Re: Maximum file descriptor number in select()?

) best regards, KIKUCHI Takeyoshi - kiku...@centurysys.co.jp

Maximum file descriptor number in select()?

by the user at build time. - var FD_MAX* {.importc: "CONFIG_LWIP_MAX_SOCKETS", header: "".} : cint ----- best regards, KIKUCHI Takeyoshi --- kiku...@centurysys.co.jp