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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
syscall/dispatch.c
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@@ -15,14 +15,12 @@ static const virt_addr_t syscall_table[] = {
SYSCALL_TABLE_ENTRY(VM_OBJECT_READ, vm_object_read),
SYSCALL_TABLE_ENTRY(VM_OBJECT_WRITE, vm_object_write),
SYSCALL_TABLE_ENTRY(VM_OBJECT_COPY, vm_object_copy),
SYSCALL_TABLE_ENTRY(VM_REGION_CREATE, vm_region_create),
SYSCALL_TABLE_ENTRY(VM_REGION_KILL, vm_region_kill),
SYSCALL_TABLE_ENTRY(VM_REGION_READ, vm_region_read),
SYSCALL_TABLE_ENTRY(VM_REGION_WRITE, vm_region_write),
SYSCALL_TABLE_ENTRY(VM_REGION_MAP_ABSOLUTE, vm_region_map_absolute),
SYSCALL_TABLE_ENTRY(VM_REGION_MAP_RELATIVE, vm_region_map_relative),
SYSCALL_TABLE_ENTRY(VM_REGION_UNMAP_ABSOLUTE, vm_region_unmap_absolute),
SYSCALL_TABLE_ENTRY(VM_REGION_UNMAP_RELATIVE, vm_region_unmap_relative),
SYSCALL_TABLE_ENTRY(ADDRESS_SPACE_READ, address_space_read),
SYSCALL_TABLE_ENTRY(ADDRESS_SPACE_WRITE, address_space_write),
SYSCALL_TABLE_ENTRY(ADDRESS_SPACE_MAP, address_space_map),
SYSCALL_TABLE_ENTRY(ADDRESS_SPACE_UNMAP, address_space_unmap),
SYSCALL_TABLE_ENTRY(ADDRESS_SPACE_RESERVE, address_space_reserve),
SYSCALL_TABLE_ENTRY(ADDRESS_SPACE_RELEASE, address_space_release),
SYSCALL_TABLE_ENTRY(KERN_LOG, kern_log),
SYSCALL_TABLE_ENTRY(KERN_HANDLE_CLOSE, kern_handle_close),
SYSCALL_TABLE_ENTRY(KERN_CONFIG_GET, kern_config_get),