On 23/10/2023 14:18, Zhenhua Huang wrote: > > > On 2023/10/23 17:25, Krzysztof Kozlowski wrote: >> On 23/10/2023 11:20, Zhenhua Huang wrote: >>> Qualcomm memory dump driver is to cooperate with firmware, providing the >>> hints(id and size) of storing useful debugging information into pre-allocated >>> memory. Firmware then does the real data capture. The debugging information >>> includes cache contents, internal memory, registers. >>> >>> The driver dynamically reserves memory and provides the hints(dump id and size) >>> following specified protocols with firmware. After crash and warm reboot, >>> firmware scans these information and stores contents into reserved memory >>> accordingly. Firmware then enters into full dump mode which dumps whole DDR >>> to host through USB. >> >> How does it relate to minidump? > > Minidump is used for dumping *software* related data/information. While > the memory dump is used to communicate with firmware to dump *hardware* > related information. I would argue then you should integrate both things... Best regards, Krzysztof
