_sarathy-jayakumar-sivagar-natarajan-passing-system-configuration-data-from-firmware-to-kernel.jpg "Sarathy Jayakumar - Sivagar Natarajan - Passing System Configuration Data from Firmware to Kernel from bdat architecture Video Screenshot Preview")
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⏲ Duration: 14 min 58 sec
✓ Published: 27-Jun-2022
✓ Published: 27-Jun-2022
Description:
Firmware relies on intimate system knowledge for memory initialization and training. However, there is currently no standard method for passing this data to the operating system. The OS kernel and other monitor software relies on platform-specific drivers, but these are often based on proprietary tables using confidential information.nnIntel currently publishes a proprietary BIOS ACPI Data Table (BDAT) to convey system data, such as DDR4/DDR5 training margins. This session proposes moving this d
Firmware relies on intimate system knowledge for memory initialization and training. However, there is currently no standard method for passing this data to the operating system. The OS kernel and other monitor software relies on platform-specific drivers, but these are often based on proprietary tables using confidential information.nnIntel currently publishes a proprietary BIOS ACPI Data Table (BDAT) to convey system data, such as DDR4/DDR5 training margins. This session proposes moving this d
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