From 2a255b2d61a445fb2b83cc8af7632e3d720e1292 Mon Sep 17 00:00:00 2001 From: Liam Date: Sun, 22 Oct 2023 21:16:38 -0400 Subject: kernel: add KPageTableBase Co-authored-by: Kelebek1 --- src/common/page_table.h | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) (limited to 'src/common/page_table.h') diff --git a/src/common/page_table.h b/src/common/page_table.h index e653d52ad..5340f7d86 100644 --- a/src/common/page_table.h +++ b/src/common/page_table.h @@ -6,6 +6,7 @@ #include #include "common/common_types.h" +#include "common/typed_address.h" #include "common/virtual_buffer.h" namespace Common { @@ -100,9 +101,9 @@ struct PageTable { PageTable(PageTable&&) noexcept = default; PageTable& operator=(PageTable&&) noexcept = default; - bool BeginTraversal(TraversalEntry& out_entry, TraversalContext& out_context, - u64 address) const; - bool ContinueTraversal(TraversalEntry& out_entry, TraversalContext& context) const; + bool BeginTraversal(TraversalEntry* out_entry, TraversalContext* out_context, + Common::ProcessAddress address) const; + bool ContinueTraversal(TraversalEntry* out_entry, TraversalContext* context) const; /** * Resizes the page table to be able to accommodate enough pages within @@ -117,6 +118,16 @@ struct PageTable { return current_address_space_width_in_bits; } + bool GetPhysicalAddress(Common::PhysicalAddress* out_phys_addr, + Common::ProcessAddress virt_addr) const { + if (virt_addr > (1ULL << this->GetAddressSpaceBits())) { + return false; + } + + *out_phys_addr = backing_addr[virt_addr / page_size] + GetInteger(virt_addr); + return true; + } + /** * Vector of memory pointers backing each page. An entry can only be non-null if the * corresponding attribute element is of type `Memory`. -- cgit v1.2.3