zephyrproject-rtos/trusted-firmware-a
Nov 2024 – Dec 2024
2 Months active
Languages Used
AssemblyC
Technical Skills
ARM architectureCPU ArchitectureCrash handlingEmbedded SystemsEmbedded systemsLow-Level Programming
Igor Podgainõi
PROFILE
Igor Podgainõi
Igor Podgainoi contributed to the zephyrproject-rtos/trusted-firmware-a repository by developing features and fixes that enhanced support for 128-bit system registers and expanded hardware compatibility. He implemented crash reporting improvements for 128-bit registers in the EL3 crash handler, using C and assembly to introduce new macros and definitions for accurate diagnostics. Igor also added Alto CPU platform support, integrating new header and assembly files for power control and SME handling. Additionally, he addressed context management issues by correcting EL1 128-bit register saves, ensuring full register preservation. His work demonstrated strong skills in ARM architecture, low-level programming, and embedded systems.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
3Total
Bugs
1
Commits
3
Features
2
Lines of code
340
Activity Months2
Your Network
615 people
Work History
December 2024
1 Commits
Dec 1, 2024December 2024 monthly summary for zephyrproject-rtos/trusted-firmware-a: focused on correctness and reliability of EL1 context saving for 128-bit registers. Implemented a bug fix that ensured 128-bit system registers are saved correctly (no upper-bit zeroing) and introduced macros for writing 128-bit SYSREGs. Performed minor refactoring and adjustments to feature enablement to support the fix. The change improves context-switch reliability in ARM TrustZone environments and reduces risk of incorrect EL1 state on context switches.
1 Commits
Dec 1, 2024December 2024 monthly summary for zephyrproject-rtos/trusted-firmware-a: focused on correctness and reliability of EL1 context saving for 128-bit registers. Implemented a bug fix that ensured 128-bit system registers are saved correctly (no upper-bit zeroing) and introduced macros for writing 128-bit SYSREGs. Performed minor refactoring and adjustments to feature enablement to support the fix. The change improves context-switch reliability in ARM TrustZone environments and reduces risk of incorrect EL1 state on context switches.
December 2024
November 2024
2 Commits • 2 Features
Nov 1, 20242024-11 monthly summary for zephyrproject-rtos/trusted-firmware-a: Delivered key features and fixes for 128-bit register support and Alto CPU platform, improving crash diagnostics and expanding hardware coverage.
November 2024
2 Commits • 2 Features
Nov 1, 20242024-11 monthly summary for zephyrproject-rtos/trusted-firmware-a: Delivered key features and fixes for 128-bit register support and Alto CPU platform, improving crash diagnostics and expanding hardware coverage.
Activity
Loading activity data...
Quality Metrics
Correctness100.0%
Maintainability86.6%
Architecture86.6%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
AssemblyC
Technical Skills
ARM architectureCPU ArchitectureContext ManagementCrash handlingEmbedded SystemsEmbedded systemsLow-Level ProgrammingLow-level programmingSystem Programming
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline