Bootstages
include/bootstage.h View source View on GitHubbootstage
Section titled “bootstage” enum bootstage : uint8_t (10 variants) source
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BOOTSTAGE_NONE §
BOOTSTAGE_EARLY_FB Console can be printed to
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BOOTSTAGE_EARLY_ALLOCATORS Early non-topology aware allocators available
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BOOTSTAGE_EARLY_DEVICES Early devices (ACPI, LAPIC, HPET) brought up
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BOOTSTAGE_MID_MP APs exit busy-spin and enter idle thread
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BOOTSTAGE_MID_TOPOLOGY Topology parsed
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BOOTSTAGE_MID_ALLOCATORS Allocators are topology aware
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BOOTSTAGE_LATE Rest of kernel is brought up — filesystems, drivers, etc. almost all features are available in APIs
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BOOTSTAGE_COMPLETE Complete - enter init
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BOOTSTAGE_COUNT Functions
Section titled “Functions”bootstage_get
Section titled “bootstage_get”This is a bit goofy, but we use it when global.bootstage can’t be used, often due to header file recursion soup and other happenings
bootstage_advance
Section titled “bootstage_advance”Variables
Section titled “Variables”bootstage_str
Section titled “bootstage_str”extern const char *bootstage_str[BOOTSTAGE_COUNT]