
Worked on stabilizing device initialization for the Grapefruit platform in the oxidecomputer/hubris repository, focusing on embedded systems and hardware configuration using Rust. Addressed a critical bug by modifying the FMC initialization process to swap the FMC bank to 0b01, ensuring the default memory map uses device memory. This approach prevented speculative execution during boot and aligned Grapefruit’s hardware bus usage with the Cosmo device, resulting in more consistent and reliable system startups. The targeted fix improved long-term maintainability by standardizing initialization procedures across platforms, demonstrating careful attention to hardware-level details and robust embedded systems engineering practices.
Sep 2025 focused on stabilizing Grapefruit initialization in the oxidecomputer/hubris repository. Implemented a targeted FMC initialization bug fix that swaps the FMC bank to 0b01 to use device memory for the default memory map, aligning with Cosmo and preventing speculative execution during boot. This change improves boot reliability, consistency across devices, and long-term maintainability by matching hardware bus usage.
Sep 2025 focused on stabilizing Grapefruit initialization in the oxidecomputer/hubris repository. Implemented a targeted FMC initialization bug fix that swaps the FMC bank to 0b01 to use device memory for the default memory map, aligning with Cosmo and preventing speculative execution during boot. This change improves boot reliability, consistency across devices, and long-term maintainability by matching hardware bus usage.

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