On Sat, Mar 30, 2024 at 06:10 AM, Andrew Fish wrote:

You can make a ReadOnly file system out of contents on an FV (Firmware Volume): https://github.com/tianocore/edk2/tree/master/MdeModulePkg/Universal/FvSimpleFileSystemDxe

FV is defined in the PI Spec as a layout for flash that contains files, but no directories.

Hi Andrew,

I forgot to mention earlier, that I'm developing for RISC-V architecture.

It seems like the semihosting lib in edk2 does not have support for RISC-V yet.

Thanks for the FvSimpleFileSystemDxe suggestion.

Actually, I'm trying to TFTP "initramfs" (1MB) and "linux.efi" (25MB) into a filesystem. So, it requires to support write to the filesystem.

Do you have other suggestions?

Thanks! =)

John

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