SIDEBAND INSTRUCTION ADDRESS TRANSLATION
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United States of America Patent
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Issued Date -
Jun 20, 2024
app pub date -
Dec 15, 2022
filing date -
Dec 15, 2022
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Abstract
Embodiments relate to sideband instruction address translation. According to an aspect, a computer-implemented method includes managing, within a processor, an instruction effective-to-real-address table (I-ERAT) separate from a main ERAT, where the I-ERAT has a smaller storage capacity than the main ERAT. The method also includes indicating an I-ERAT hit based on determining that an instruction address for an instruction cache is stored in the I-ERAT, bypassing an arbitrator within the processor and sending a translated address from the I-ERAT to the instruction cache based on detecting the I-ERAT hit, and sending an address translation request through the arbitrator to the main ERAT based on an I-ERAT miss and writing a translation result of the main ERAT to the I-ERAT.
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