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vm: replace vm-region with address-space

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address-space is a non-recursive data structure, which contains a flat list of vm_areas representing
mapped vm-objects.

userspace programs can no longer create sub-address-spaces. instead, they can reserve portions of
the address space, and use that reserved space to create mappings.
This commit is contained in:
max 🍓
2026-03-13 19:44:50 +00:00
parent c6b0bee827
commit c628390f4a
28 changed files with 1719 additions and 2612 deletions
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14
libmango/arch/x86_64/syscall.S
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@@ -68,14 +68,12 @@ SYSCALL_GATE vm_object_read SYS_VM_OBJECT_READ 5
SYSCALL_GATE vm_object_write SYS_VM_OBJECT_WRITE 5
SYSCALL_GATE vm_object_copy SYS_VM_OBJECT_COPY 6
SYSCALL_GATE vm_region_create SYS_VM_REGION_CREATE 8
SYSCALL_GATE vm_region_kill SYS_VM_REGION_KILL 1
SYSCALL_GATE vm_region_read SYS_VM_REGION_READ 5
SYSCALL_GATE vm_region_write SYS_VM_REGION_WRITE 5
SYSCALL_GATE vm_region_map_absolute SYS_VM_REGION_MAP_ABSOLUTE 7
SYSCALL_GATE vm_region_map_relative SYS_VM_REGION_MAP_RELATIVE 7
SYSCALL_GATE vm_region_unmap_absolute SYS_VM_REGION_UNMAP_ABSOLUTE 3
SYSCALL_GATE vm_region_unmap_relative SYS_VM_REGION_UNMAP_RELATIVE 3
SYSCALL_GATE address_space_read SYS_ADDRESS_SPACE_READ 5
SYSCALL_GATE address_space_write SYS_ADDRESS_SPACE_WRITE 5
SYSCALL_GATE address_space_map SYS_ADDRESS_SPACE_MAP 7
SYSCALL_GATE address_space_unmap SYS_ADDRESS_SPACE_UNMAP 3
SYSCALL_GATE address_space_reserve SYS_ADDRESS_SPACE_RESERVE 4
SYSCALL_GATE address_space_release SYS_ADDRESS_SPACE_RELEASE 3
SYSCALL_GATE kern_log SYS_KERN_LOG 1
SYSCALL_GATE kern_handle_close SYS_KERN_HANDLE_CLOSE 1