Implement VM#13

Draft

gustrain wants to merge 48 commits intomainfrom

Commits on Nov 28, 2024

implement more VM todos and fix compiler warnings; only real blockers now should be initialization of VM state in boot.c, an implementation of mpu_enable_subregion, and integration with the m0Fault…
gustrain
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alec: fix a couple packed attributes
abargher
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add m0FaultDispatch code as third-party module
abargher
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sketch out pte structs

gustrain
authored and
abargher
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work on vm setup

gustrain
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abargher
committed
work on vm implementation

gustrain
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abargher
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check for free page in write cache before choosing a victim

gustrain
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abargher
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eviction from SRAM progress.

gustrain
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abargher
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intermediate work -- need to run

gustrain
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abargher
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sketch out least-frequently-dirtied eviction policy

gustrain
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abargher
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Implement a lot of TODO VM functions. VM system is almost in a testable state

gustrain
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abargher
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fix "unused" bitfield size for flash_pte struct

gustrain
authored and
abargher
committed
implement more VM todos and fix compiler warnings; only real blockers now should be initialization of VM state in boot.c, an implementation of mpu_enable_subregion, and integration with the m0Fault…

gustrain
authored and
abargher
committed
alec: fix a couple packed attributes
abargher
committed
add m0FaultDispatch code as third-party module
abargher
committed
Merge branch 'vm' of github.com:abargher/asquaredos into vm
abargher
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alec: fix some compiler warnings
abargher
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alec: add faultHandlerWithExcFrame proof-of-concept, needs real implementation
abargher
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connect vm_fault_handler to the m0FaultDispatch hardfault handler, include rich logging for unhandled exceptions
gustrain
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vm_fault_handler now returns from the exception upon completion and causes the user program to re-execute the faulting instruction; also fixed lack of an error value for pte_group_index_t
gustrain
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* make entirety of flash mappable by PTEs, but only the swap region allocatable
gustrain
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Commits on Nov 29, 2024

Commits on Nov 30, 2024

Commits on Dec 1, 2024

Commits on Dec 3, 2024

fix formatting of stack_registers_t typedef
gustrain
committed

Commits on Mar 4, 2025

ignore keynote
abargher
committed