feat[libcpu][cortex-m4]: Detect interrupt context from IPSR on Cortex-M4#11316

Merged

Rbb666 merged 2 commits intoRT-Thread:masterfrom

wdfk-prog:Cortex-interrupt

Apr 8, 2026

Commits on Apr 6, 2026

fix(src): Use interrupt nest accessor and export IRQ hook pointers
wdfk-prog
committed

Commits on Apr 8, 2026

feat(core): Add Cortex-M4 interrupt context helpers
wdfk-prog
committed