esp: join cpu and add rom functions

[tact1m4n3]

• merge esp riscv cpu separate files for image and direct boot into one
• add rom functions
• add cat util to merge rom_functions.ld with the base linker script

The cat util can be placed in the root tools folder if it's needed by multiple ports.

[Grazfather]

We can do either style, but ideally not two styles, and it can be done in a follow up

…

On Sun, May 18, 2025 at 10:52 PM Tudor Andrei Dicu ***@***.***> wrote: ***@***.**** commented on this pull request. ------------------------------ In port/espressif/esp/src/cpus/esp_riscv.zig <#552 (comment)> : > @@ -232,6 +233,130 @@ pub const interrupt = struct { pub const nop = riscv32_common.nop; pub const wfi = riscv32_common.wfi; +pub const startup_logic = switch (cpu_config.boot_mode) { + .direct => struct { + comptime { This is the way it was done originally. But I can change it. — Reply to this email directly, view it on GitHub <#552 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AADZNHXIQWLSX2XGPXNZYJL27FBNBAVCNFSM6AAAAAB5L5T2FSVHI2DSMVQWIX3LMV43YUDVNRWFEZLROVSXG5CSMV3GSZLXHMZDQNBZGI3DEMRSHA> . You are receiving this because you commented.Message ID: ***@***.***>