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kern: add KProcess::Initialize (for non-kip processes)

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Michael Scire 2020-07-21 22:13:16 -07:00 • committed by SciresM
commit 51311a7332
10 changed files with 232 additions and 8 deletions
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30
libraries/libmesosphere/source/kern_k_page_table_base.cpp
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@ -1350,13 +1350,41 @@ namespace ams::kern {
}
/* Update the blocks. */
this->memory_block_manager.Update(&allocator, addr, num_pages, state, perm, KMemoryAttribute_None);
this->memory_block_manager.Update(std::addressof(allocator), addr, num_pages, state, perm, KMemoryAttribute_None);
/* We successfully mapped the pages. */
*out_addr = addr;
return ResultSuccess();
}
Result KPageTableBase::MapPages(KProcessAddress address, size_t num_pages, KMemoryState state, KMemoryPermission perm) {
/* Check that the map is in range. */
const size_t size = num_pages * PageSize;
R_UNLESS(this->CanContain(address, size, state), svc::ResultInvalidCurrentMemory());
/* Lock the table. */
KScopedLightLock lk(this->general_lock);
/* Check the memory state. */
R_TRY(this->CheckMemoryState(address, size, KMemoryState_All, KMemoryState_Free, KMemoryPermission_None, KMemoryPermission_None, KMemoryAttribute_None, KMemoryAttribute_None));
/* Create an update allocator. */
KMemoryBlockManagerUpdateAllocator allocator(this->memory_block_slab_manager);
R_TRY(allocator.GetResult());
/* We're going to perform an update, so create a helper. */
KScopedPageTableUpdater updater(this);
/* Map the pages. */
const KPageProperties properties = { perm, false, false, false };
R_TRY(this->AllocateAndMapPagesImpl(updater.GetPageList(), address, num_pages, properties));
/* Update the blocks. */
this->memory_block_manager.Update(std::addressof(allocator), address, num_pages, state, perm, KMemoryAttribute_None);
return ResultSuccess();
}
Result KPageTableBase::UnmapPages(KProcessAddress address, size_t num_pages, KMemoryState state) {
/* Check that the unmap is in range. */
const size_t size = num_pages * PageSize;