userboot

Enumerations

enum class VdsoVariant

Name	Value
STABLE	0
NEXT	1
TEST1	2
TEST2	3
COUNT	4

This is only here for the count. No userboot code cares which is which

except that the stable (default) variant is first and that kLastVdso (below)

is correct.

Defined at line 24 of file ../../zircon/kernel/lib/userabi/include/lib/userabi/userboot.h

enum HandleIndex : uint32_t

Name	Value	Comments
kProcSelf	0	These describe userboot itself.
kVmarRootSelf	1	These describe userboot itself.
kThreadSelf	2	These describe userboot itself.
kRootJob	3	Essential job and resource handles.
kMmioResource	4	Essential job and resource handles.
kIrqResource	5	Essential job and resource handles.
kIoportResource	6	--
kSystemResource	7	--
kZbi	8	Essential VMO handles.
kFirstVdso	9	Essential VMO handles.
kLastVdso	kFirstVdso + kNumVdsoVariants - 1	Essential VMO handles.
kCrashlog	13	These get passed along to userland to be recognized by ZX_PROP_NAME. The remainder are VMO handles that userboot doesn't care about.
kFirstKernelFile	kCrashlog	These get passed along to userland to be recognized by ZX_PROP_NAME. The remainder are VMO handles that userboot doesn't care about.
kBootOptions	14	These get passed along to userland to be recognized by ZX_PROP_NAME. The remainder are VMO handles that userboot doesn't care about.
kCounterNames	15	These get passed along to userland to be recognized by ZX_PROP_NAME. The remainder are VMO handles that userboot doesn't care about.
kCounters	16	These get passed along to userland to be recognized by ZX_PROP_NAME. The remainder are VMO handles that userboot doesn't care about.
kMidrTxt	17	These get passed along to userland to be recognized by ZX_PROP_NAME. The remainder are VMO handles that userboot doesn't care about.
kTimeValues	18	These get passed along to userland to be recognized by ZX_PROP_NAME. The remainder are VMO handles that userboot doesn't care about.
kFirstInstrumentationData	19	--
kFirstExtraPhysVmo	kFirstInstrumentationData + InstrumentationData::vmo_count()	--
kLastExtraPhysVmo	kFirstExtraPhysVmo + PhysVmo::kMaxExtraHandoffPhysVmos - 1	--
kLastKernelFile	kLastExtraPhysVmo	--
kVmarLoaded	27	userboot relies on kVmarLoaded being the last one.
kHandleCount	28	userboot relies on kVmarLoaded being the last one.

The handles in the bootstrap message are as follows:

Defined at line 29 of file ../../zircon/kernel/lib/userabi/include/lib/userabi/userboot.h