realtime:documentation:howto:debugging:smi-latency:smi
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realtime:documentation:howto:debugging:smi-latency:smi [2018/08/03 10:46] ebugden Add documentation links |
realtime:documentation:howto:debugging:smi-latency:smi [2018/08/03 11:05] ebugden Add documentation link for SMM |
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| ====== System management interrupt (SMI) ====== | ====== System management interrupt (SMI) ====== | ||
| - | System management interrupts are high priority unmaskable hardware interrupts which cause the CPU to immediately suspend all other activities, including the operating system, and go into a special execution mode called [[realtime:documentation:howto:debugging:smi-latency:smm|system management mode]] (SMM). Once the system is in SMM, the interrupt is handled by firmware code. | + | System management interrupts are high priority unmaskable hardware interrupts which cause the CPU to immediately suspend all other activities, including the operating system, and go into a special execution mode called [[realtime:documentation:howto:debugging:smi-latency:smm|system management mode]] (SMM) ([[https://software.intel.com/en-us/articles/intel-sdm|Intel SDM]], Vol.1 3.1). Once the system is in SMM, the interrupt is handled by firmware code. |
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realtime/documentation/howto/debugging/smi-latency/smi.txt ยท Last modified: 2018/08/03 11:14 by ebugden
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