2015-05-13 05:38:56 +03:00
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// Copyright 2015 Citra Emulator Project
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2014-12-17 08:38:14 +03:00
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// Licensed under GPLv2 or any later version
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2014-04-09 03:15:46 +04:00
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// Refer to the license.txt file included.
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2013-09-19 07:52:51 +04:00
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2015-05-13 05:38:56 +03:00
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#include <array>
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2015-09-10 06:23:44 +03:00
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#include <cstring>
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2015-05-13 05:38:56 +03:00
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#include "common/assert.h"
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2015-05-06 10:06:12 +03:00
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#include "common/common_types.h"
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#include "common/logging/log.h"
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#include "common/swap.h"
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2013-09-19 07:52:51 +04:00
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2015-08-06 03:26:52 +03:00
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#include "core/hle/kernel/process.h"
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2015-05-13 04:38:29 +03:00
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#include "core/memory.h"
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2015-05-21 06:37:07 +03:00
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#include "core/memory_setup.h"
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2016-01-30 21:41:04 +03:00
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#include "core/mmio.h"
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2013-09-19 07:52:51 +04:00
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2016-04-17 01:57:57 +03:00
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#include "video_core/renderer_base.h"
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#include "video_core/video_core.h"
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2013-09-19 07:52:51 +04:00
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namespace Memory {
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2015-05-13 05:38:56 +03:00
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enum class PageType {
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/// Page is unmapped and should cause an access error.
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Unmapped,
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/// Page is mapped to regular memory. This is the only type you can get pointers to.
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Memory,
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2016-04-17 01:57:57 +03:00
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/// Page is mapped to regular memory, but also needs to check for rasterizer cache flushing and invalidation
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RasterizerCachedMemory,
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2015-05-13 05:38:56 +03:00
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/// Page is mapped to a I/O region. Writing and reading to this page is handled by functions.
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Special,
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2016-04-17 01:57:57 +03:00
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/// Page is mapped to a I/O region, but also needs to check for rasterizer cache flushing and invalidation
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RasterizerCachedSpecial,
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2015-05-13 05:38:56 +03:00
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};
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2016-01-30 21:41:04 +03:00
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struct SpecialRegion {
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VAddr base;
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u32 size;
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MMIORegionPointer handler;
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};
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2015-05-13 05:38:56 +03:00
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/**
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2015-10-10 00:09:52 +03:00
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* A (reasonably) fast way of allowing switchable and remappable process address spaces. It loosely
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2015-05-13 05:38:56 +03:00
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* mimics the way a real CPU page table works, but instead is optimized for minimal decoding and
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2015-10-10 00:09:52 +03:00
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* fetching requirements when accessing. In the usual case of an access to regular memory, it only
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2015-05-13 05:38:56 +03:00
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* requires an indexed fetch and a check for NULL.
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*/
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struct PageTable {
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static const size_t NUM_ENTRIES = 1 << (32 - PAGE_BITS);
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/**
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* Array of memory pointers backing each page. An entry can only be non-null if the
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* corresponding entry in the `attributes` array is of type `Memory`.
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*/
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std::array<u8*, NUM_ENTRIES> pointers;
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2016-01-30 21:41:04 +03:00
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/**
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* Contains MMIO handlers that back memory regions whose entries in the `attribute` array is of type `Special`.
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*/
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std::vector<SpecialRegion> special_regions;
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2015-05-13 05:38:56 +03:00
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/**
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* Array of fine grained page attributes. If it is set to any value other than `Memory`, then
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2016-01-30 21:41:04 +03:00
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* the corresponding entry in `pointers` MUST be set to null.
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2015-05-13 05:38:56 +03:00
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*/
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std::array<PageType, NUM_ENTRIES> attributes;
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2016-04-17 01:57:57 +03:00
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/**
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* Indicates the number of externally cached resources touching a page that should be
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* flushed before the memory is accessed
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*/
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std::array<u8, NUM_ENTRIES> cached_res_count;
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2015-05-13 05:38:56 +03:00
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};
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/// Singular page table used for the singleton process
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static PageTable main_page_table;
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/// Currently active page table
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static PageTable* current_page_table = &main_page_table;
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static void MapPages(u32 base, u32 size, u8* memory, PageType type) {
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LOG_DEBUG(HW_Memory, "Mapping %p onto %08X-%08X", memory, base * PAGE_SIZE, (base + size) * PAGE_SIZE);
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u32 end = base + size;
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while (base != end) {
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ASSERT_MSG(base < PageTable::NUM_ENTRIES, "out of range mapping at %08X", base);
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2016-04-17 01:57:57 +03:00
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// Since pages are unmapped on shutdown after video core is shutdown, the renderer may be null here
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if (current_page_table->attributes[base] == PageType::RasterizerCachedMemory ||
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current_page_table->attributes[base] == PageType::RasterizerCachedSpecial) {
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RasterizerFlushAndInvalidateRegion(VirtualToPhysicalAddress(base << PAGE_BITS), PAGE_SIZE);
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}
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2015-05-13 05:38:56 +03:00
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current_page_table->attributes[base] = type;
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current_page_table->pointers[base] = memory;
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2016-04-17 01:57:57 +03:00
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current_page_table->cached_res_count[base] = 0;
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2015-05-13 05:38:56 +03:00
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base += 1;
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2015-07-10 04:47:27 +03:00
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if (memory != nullptr)
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memory += PAGE_SIZE;
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2014-04-02 02:18:02 +04:00
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}
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2013-09-19 07:52:51 +04:00
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}
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2015-05-13 05:38:56 +03:00
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void InitMemoryMap() {
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main_page_table.pointers.fill(nullptr);
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main_page_table.attributes.fill(PageType::Unmapped);
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2016-04-17 01:57:57 +03:00
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main_page_table.cached_res_count.fill(0);
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2015-05-13 05:38:56 +03:00
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}
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2014-04-25 07:56:06 +04:00
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2015-05-13 05:38:56 +03:00
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void MapMemoryRegion(VAddr base, u32 size, u8* target) {
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
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MapPages(base / PAGE_SIZE, size / PAGE_SIZE, target, PageType::Memory);
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}
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2014-04-26 09:27:25 +04:00
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2016-01-30 21:41:04 +03:00
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void MapIoRegion(VAddr base, u32 size, MMIORegionPointer mmio_handler) {
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2015-05-13 05:38:56 +03:00
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
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MapPages(base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Special);
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2016-01-30 21:41:04 +03:00
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current_page_table->special_regions.emplace_back(SpecialRegion{base, size, mmio_handler});
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2015-05-13 05:38:56 +03:00
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}
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2014-12-30 06:35:06 +03:00
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2015-05-21 06:37:07 +03:00
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void UnmapRegion(VAddr base, u32 size) {
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
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MapPages(base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Unmapped);
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}
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2016-04-17 01:57:57 +03:00
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/**
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* Gets a pointer to the exact memory at the virtual address (i.e. not page aligned)
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* using a VMA from the current process
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*/
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static u8* GetPointerFromVMA(VAddr vaddr) {
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u8* direct_pointer = nullptr;
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auto& vma = Kernel::g_current_process->vm_manager.FindVMA(vaddr)->second;
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switch (vma.type) {
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case Kernel::VMAType::AllocatedMemoryBlock:
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direct_pointer = vma.backing_block->data() + vma.offset;
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break;
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case Kernel::VMAType::BackingMemory:
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direct_pointer = vma.backing_memory;
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break;
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default:
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UNREACHABLE();
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}
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return direct_pointer + (vaddr - vma.base);
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}
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2016-01-30 21:41:04 +03:00
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/**
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* This function should only be called for virtual addreses with attribute `PageType::Special`.
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*/
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static MMIORegionPointer GetMMIOHandler(VAddr vaddr) {
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for (const auto& region : current_page_table->special_regions) {
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if (vaddr >= region.base && vaddr < (region.base + region.size)) {
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return region.handler;
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}
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}
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ASSERT_MSG(false, "Mapped IO page without a handler @ %08X", vaddr);
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return nullptr; // Should never happen
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}
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template<typename T>
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T ReadMMIO(MMIORegionPointer mmio_handler, VAddr addr);
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2015-05-13 05:38:56 +03:00
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template <typename T>
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T Read(const VAddr vaddr) {
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const u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
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if (page_pointer) {
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2016-04-17 01:57:57 +03:00
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// NOTE: Avoid adding any extra logic to this fast-path block
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2015-09-10 06:23:44 +03:00
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T value;
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std::memcpy(&value, &page_pointer[vaddr & PAGE_MASK], sizeof(T));
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return value;
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2015-05-13 05:38:56 +03:00
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}
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2014-08-03 03:46:47 +04:00
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2015-05-13 05:38:56 +03:00
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PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
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switch (type) {
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case PageType::Unmapped:
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LOG_ERROR(HW_Memory, "unmapped Read%lu @ 0x%08X", sizeof(T) * 8, vaddr);
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return 0;
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case PageType::Memory:
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ASSERT_MSG(false, "Mapped memory page without a pointer @ %08X", vaddr);
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2016-01-30 21:41:04 +03:00
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break;
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2016-04-17 01:57:57 +03:00
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case PageType::RasterizerCachedMemory:
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{
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RasterizerFlushRegion(VirtualToPhysicalAddress(vaddr), sizeof(T));
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T value;
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std::memcpy(&value, GetPointerFromVMA(vaddr), sizeof(T));
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return value;
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}
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2015-05-13 05:38:56 +03:00
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case PageType::Special:
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2016-01-30 21:41:04 +03:00
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return ReadMMIO<T>(GetMMIOHandler(vaddr), vaddr);
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2016-04-17 01:57:57 +03:00
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case PageType::RasterizerCachedSpecial:
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{
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RasterizerFlushRegion(VirtualToPhysicalAddress(vaddr), sizeof(T));
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return ReadMMIO<T>(GetMMIOHandler(vaddr), vaddr);
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}
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2015-05-13 05:38:56 +03:00
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default:
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UNREACHABLE();
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2014-04-02 02:18:02 +04:00
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}
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2013-09-19 07:52:51 +04:00
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}
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2016-01-30 21:41:04 +03:00
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template<typename T>
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void WriteMMIO(MMIORegionPointer mmio_handler, VAddr addr, const T data);
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2015-05-13 05:38:56 +03:00
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template <typename T>
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void Write(const VAddr vaddr, const T data) {
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u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
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if (page_pointer) {
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2016-04-17 01:57:57 +03:00
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// NOTE: Avoid adding any extra logic to this fast-path block
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2015-09-10 06:23:44 +03:00
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std::memcpy(&page_pointer[vaddr & PAGE_MASK], &data, sizeof(T));
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2015-05-13 05:38:56 +03:00
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return;
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}
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2014-04-25 07:56:06 +04:00
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2015-05-13 05:38:56 +03:00
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PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
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switch (type) {
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case PageType::Unmapped:
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LOG_ERROR(HW_Memory, "unmapped Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32) data, vaddr);
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return;
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case PageType::Memory:
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ASSERT_MSG(false, "Mapped memory page without a pointer @ %08X", vaddr);
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2016-01-30 21:41:04 +03:00
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break;
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2016-04-17 01:57:57 +03:00
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case PageType::RasterizerCachedMemory:
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{
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RasterizerFlushAndInvalidateRegion(VirtualToPhysicalAddress(vaddr), sizeof(T));
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std::memcpy(GetPointerFromVMA(vaddr), &data, sizeof(T));
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break;
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}
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2015-05-13 05:38:56 +03:00
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case PageType::Special:
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2016-01-30 21:41:04 +03:00
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WriteMMIO<T>(GetMMIOHandler(vaddr), vaddr, data);
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break;
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2016-04-17 01:57:57 +03:00
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case PageType::RasterizerCachedSpecial:
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{
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RasterizerFlushAndInvalidateRegion(VirtualToPhysicalAddress(vaddr), sizeof(T));
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WriteMMIO<T>(GetMMIOHandler(vaddr), vaddr, data);
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break;
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}
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2015-05-13 05:38:56 +03:00
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default:
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UNREACHABLE();
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}
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}
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2014-04-26 09:27:25 +04:00
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2016-04-16 10:46:11 +03:00
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bool IsValidVirtualAddress(const VAddr vaddr) {
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const u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
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if (page_pointer)
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return true;
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if (current_page_table->attributes[vaddr >> PAGE_BITS] != PageType::Special)
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return false;
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MMIORegionPointer mmio_region = GetMMIOHandler(vaddr);
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if (mmio_region) {
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return mmio_region->IsValidAddress(vaddr);
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}
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return false;
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}
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bool IsValidPhysicalAddress(const PAddr paddr) {
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return IsValidVirtualAddress(PhysicalToVirtualAddress(paddr));
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}
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2015-05-13 05:38:56 +03:00
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u8* GetPointer(const VAddr vaddr) {
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u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
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if (page_pointer) {
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return page_pointer + (vaddr & PAGE_MASK);
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2014-04-02 02:18:02 +04:00
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}
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2015-05-13 05:38:56 +03:00
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2016-04-17 01:57:57 +03:00
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if (current_page_table->attributes[vaddr >> PAGE_BITS] == PageType::RasterizerCachedMemory) {
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return GetPointerFromVMA(vaddr);
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}
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2015-05-13 05:38:56 +03:00
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LOG_ERROR(HW_Memory, "unknown GetPointer @ 0x%08x", vaddr);
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return nullptr;
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2014-03-25 18:50:34 +04:00
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}
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2015-05-13 04:38:29 +03:00
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u8* GetPhysicalPointer(PAddr address) {
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2016-04-16 10:46:11 +03:00
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// TODO(Subv): This call should not go through the application's memory mapping.
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2015-05-13 04:38:29 +03:00
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return GetPointer(PhysicalToVirtualAddress(address));
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2015-04-28 04:59:06 +03:00
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}
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2016-04-17 01:57:57 +03:00
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void RasterizerMarkRegionCached(PAddr start, u32 size, int count_delta) {
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if (start == 0) {
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return;
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}
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u32 num_pages = ((start + size - 1) >> PAGE_BITS) - (start >> PAGE_BITS) + 1;
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PAddr paddr = start;
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|
|
|
|
|
|
|
for (unsigned i = 0; i < num_pages; ++i) {
|
|
|
|
VAddr vaddr = PhysicalToVirtualAddress(paddr);
|
|
|
|
u8& res_count = current_page_table->cached_res_count[vaddr >> PAGE_BITS];
|
|
|
|
ASSERT_MSG(count_delta <= UINT8_MAX - res_count, "Rasterizer resource cache counter overflow!");
|
|
|
|
ASSERT_MSG(count_delta >= -res_count, "Rasterizer resource cache counter underflow!");
|
|
|
|
|
|
|
|
// Switch page type to cached if now cached
|
|
|
|
if (res_count == 0) {
|
|
|
|
PageType& page_type = current_page_table->attributes[vaddr >> PAGE_BITS];
|
|
|
|
switch (page_type) {
|
|
|
|
case PageType::Memory:
|
|
|
|
page_type = PageType::RasterizerCachedMemory;
|
|
|
|
current_page_table->pointers[vaddr >> PAGE_BITS] = nullptr;
|
|
|
|
break;
|
|
|
|
case PageType::Special:
|
|
|
|
page_type = PageType::RasterizerCachedSpecial;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
UNREACHABLE();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
res_count += count_delta;
|
|
|
|
|
|
|
|
// Switch page type to uncached if now uncached
|
|
|
|
if (res_count == 0) {
|
|
|
|
PageType& page_type = current_page_table->attributes[vaddr >> PAGE_BITS];
|
|
|
|
switch (page_type) {
|
|
|
|
case PageType::RasterizerCachedMemory:
|
|
|
|
page_type = PageType::Memory;
|
|
|
|
current_page_table->pointers[vaddr >> PAGE_BITS] = GetPointerFromVMA(vaddr & ~PAGE_MASK);
|
|
|
|
break;
|
|
|
|
case PageType::RasterizerCachedSpecial:
|
|
|
|
page_type = PageType::Special;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
UNREACHABLE();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
paddr += PAGE_SIZE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void RasterizerFlushRegion(PAddr start, u32 size) {
|
|
|
|
if (VideoCore::g_renderer != nullptr) {
|
|
|
|
VideoCore::g_renderer->Rasterizer()->FlushRegion(start, size);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void RasterizerFlushAndInvalidateRegion(PAddr start, u32 size) {
|
|
|
|
if (VideoCore::g_renderer != nullptr) {
|
|
|
|
VideoCore::g_renderer->Rasterizer()->FlushAndInvalidateRegion(start, size);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-08-28 22:20:55 +04:00
|
|
|
u8 Read8(const VAddr addr) {
|
2015-05-13 05:38:56 +03:00
|
|
|
return Read<u8>(addr);
|
2013-09-19 07:52:51 +04:00
|
|
|
}
|
|
|
|
|
2014-08-28 22:20:55 +04:00
|
|
|
u16 Read16(const VAddr addr) {
|
2015-05-13 05:38:56 +03:00
|
|
|
return Read<u16_le>(addr);
|
2013-09-19 07:52:51 +04:00
|
|
|
}
|
|
|
|
|
2014-08-28 22:20:55 +04:00
|
|
|
u32 Read32(const VAddr addr) {
|
2015-05-13 05:38:56 +03:00
|
|
|
return Read<u32_le>(addr);
|
2013-09-19 07:52:51 +04:00
|
|
|
}
|
|
|
|
|
2015-03-11 23:10:14 +03:00
|
|
|
u64 Read64(const VAddr addr) {
|
2015-05-13 05:38:56 +03:00
|
|
|
return Read<u64_le>(addr);
|
2013-09-19 07:52:51 +04:00
|
|
|
}
|
|
|
|
|
2016-04-19 22:08:02 +03:00
|
|
|
void ReadBlock(const VAddr src_addr, void* dest_buffer, const size_t size) {
|
2016-04-16 11:14:18 +03:00
|
|
|
size_t remaining_size = size;
|
|
|
|
size_t page_index = src_addr >> PAGE_BITS;
|
|
|
|
size_t page_offset = src_addr & PAGE_MASK;
|
|
|
|
|
|
|
|
while (remaining_size > 0) {
|
|
|
|
const size_t copy_amount = std::min(PAGE_SIZE - page_offset, remaining_size);
|
|
|
|
const VAddr current_vaddr = (page_index << PAGE_BITS) + page_offset;
|
|
|
|
|
|
|
|
switch (current_page_table->attributes[page_index]) {
|
|
|
|
case PageType::Unmapped: {
|
|
|
|
LOG_ERROR(HW_Memory, "unmapped ReadBlock @ 0x%08X (start address = 0x%08X, size = %zu)", current_vaddr, src_addr, size);
|
|
|
|
std::memset(dest_buffer, 0, copy_amount);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case PageType::Memory: {
|
|
|
|
DEBUG_ASSERT(current_page_table->pointers[page_index]);
|
|
|
|
|
|
|
|
const u8* src_ptr = current_page_table->pointers[page_index] + page_offset;
|
|
|
|
std::memcpy(dest_buffer, src_ptr, copy_amount);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case PageType::Special: {
|
|
|
|
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
|
|
|
|
|
|
|
|
GetMMIOHandler(current_vaddr)->ReadBlock(current_vaddr, dest_buffer, copy_amount);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
UNREACHABLE();
|
|
|
|
}
|
|
|
|
|
|
|
|
page_index++;
|
|
|
|
page_offset = 0;
|
2016-04-19 22:08:02 +03:00
|
|
|
dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
|
2016-04-16 11:14:18 +03:00
|
|
|
remaining_size -= copy_amount;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-08-28 22:20:55 +04:00
|
|
|
void Write8(const VAddr addr, const u8 data) {
|
2014-07-05 07:46:16 +04:00
|
|
|
Write<u8>(addr, data);
|
2013-09-19 07:52:51 +04:00
|
|
|
}
|
|
|
|
|
2014-08-28 22:20:55 +04:00
|
|
|
void Write16(const VAddr addr, const u16 data) {
|
2014-07-05 07:46:16 +04:00
|
|
|
Write<u16_le>(addr, data);
|
2013-09-19 07:52:51 +04:00
|
|
|
}
|
|
|
|
|
2014-08-28 22:20:55 +04:00
|
|
|
void Write32(const VAddr addr, const u32 data) {
|
2014-07-05 07:46:16 +04:00
|
|
|
Write<u32_le>(addr, data);
|
2013-09-19 07:52:51 +04:00
|
|
|
}
|
|
|
|
|
2014-08-28 22:20:55 +04:00
|
|
|
void Write64(const VAddr addr, const u64 data) {
|
2014-07-05 07:46:16 +04:00
|
|
|
Write<u64_le>(addr, data);
|
2013-09-19 07:52:51 +04:00
|
|
|
}
|
|
|
|
|
2016-04-19 22:08:02 +03:00
|
|
|
void WriteBlock(const VAddr dest_addr, const void* src_buffer, const size_t size) {
|
2016-04-16 11:14:18 +03:00
|
|
|
size_t remaining_size = size;
|
|
|
|
size_t page_index = dest_addr >> PAGE_BITS;
|
|
|
|
size_t page_offset = dest_addr & PAGE_MASK;
|
|
|
|
|
|
|
|
while (remaining_size > 0) {
|
|
|
|
const size_t copy_amount = std::min(PAGE_SIZE - page_offset, remaining_size);
|
|
|
|
const VAddr current_vaddr = (page_index << PAGE_BITS) + page_offset;
|
|
|
|
|
|
|
|
switch (current_page_table->attributes[page_index]) {
|
|
|
|
case PageType::Unmapped: {
|
|
|
|
LOG_ERROR(HW_Memory, "unmapped WriteBlock @ 0x%08X (start address = 0x%08X, size = %zu)", current_vaddr, dest_addr, size);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case PageType::Memory: {
|
|
|
|
DEBUG_ASSERT(current_page_table->pointers[page_index]);
|
|
|
|
|
|
|
|
u8* dest_ptr = current_page_table->pointers[page_index] + page_offset;
|
|
|
|
std::memcpy(dest_ptr, src_buffer, copy_amount);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case PageType::Special: {
|
|
|
|
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
|
|
|
|
|
|
|
|
GetMMIOHandler(current_vaddr)->WriteBlock(current_vaddr, src_buffer, copy_amount);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
UNREACHABLE();
|
|
|
|
}
|
|
|
|
|
|
|
|
page_index++;
|
|
|
|
page_offset = 0;
|
2016-04-19 22:08:02 +03:00
|
|
|
src_buffer = static_cast<const u8*>(src_buffer) + copy_amount;
|
2016-04-16 11:14:18 +03:00
|
|
|
remaining_size -= copy_amount;
|
2015-09-10 06:23:44 +03:00
|
|
|
}
|
2014-06-25 02:51:31 +04:00
|
|
|
}
|
|
|
|
|
2016-04-16 12:21:41 +03:00
|
|
|
void ZeroBlock(const VAddr dest_addr, const size_t size) {
|
|
|
|
size_t remaining_size = size;
|
|
|
|
size_t page_index = dest_addr >> PAGE_BITS;
|
|
|
|
size_t page_offset = dest_addr & PAGE_MASK;
|
|
|
|
|
|
|
|
while (remaining_size > 0) {
|
|
|
|
const size_t copy_amount = std::min(PAGE_SIZE - page_offset, remaining_size);
|
|
|
|
const VAddr current_vaddr = (page_index << PAGE_BITS) + page_offset;
|
|
|
|
|
|
|
|
switch (current_page_table->attributes[page_index]) {
|
|
|
|
case PageType::Unmapped: {
|
|
|
|
LOG_ERROR(HW_Memory, "unmapped ZeroBlock @ 0x%08X (start address = 0x%08X, size = %zu)", current_vaddr, dest_addr, size);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case PageType::Memory: {
|
|
|
|
DEBUG_ASSERT(current_page_table->pointers[page_index]);
|
|
|
|
|
|
|
|
u8* dest_ptr = current_page_table->pointers[page_index] + page_offset;
|
|
|
|
std::memset(dest_ptr, 0, copy_amount);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case PageType::Special: {
|
|
|
|
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
|
|
|
|
|
|
|
|
static const std::array<u8, PAGE_SIZE> zeros = {};
|
|
|
|
GetMMIOHandler(current_vaddr)->WriteBlock(current_vaddr, zeros.data(), copy_amount);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
UNREACHABLE();
|
|
|
|
}
|
|
|
|
|
|
|
|
page_index++;
|
|
|
|
page_offset = 0;
|
|
|
|
remaining_size -= copy_amount;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2016-04-16 17:22:45 +03:00
|
|
|
void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
|
|
|
|
size_t remaining_size = size;
|
|
|
|
size_t page_index = src_addr >> PAGE_BITS;
|
|
|
|
size_t page_offset = src_addr & PAGE_MASK;
|
|
|
|
|
|
|
|
while (remaining_size > 0) {
|
|
|
|
const size_t copy_amount = std::min(PAGE_SIZE - page_offset, remaining_size);
|
|
|
|
const VAddr current_vaddr = (page_index << PAGE_BITS) + page_offset;
|
|
|
|
|
|
|
|
switch (current_page_table->attributes[page_index]) {
|
|
|
|
case PageType::Unmapped: {
|
|
|
|
LOG_ERROR(HW_Memory, "unmapped CopyBlock @ 0x%08X (start address = 0x%08X, size = %zu)", current_vaddr, src_addr, size);
|
|
|
|
ZeroBlock(dest_addr, copy_amount);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case PageType::Memory: {
|
|
|
|
DEBUG_ASSERT(current_page_table->pointers[page_index]);
|
|
|
|
const u8* src_ptr = current_page_table->pointers[page_index] + page_offset;
|
|
|
|
WriteBlock(dest_addr, src_ptr, copy_amount);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case PageType::Special: {
|
|
|
|
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
|
|
|
|
|
|
|
|
std::vector<u8> buffer(copy_amount);
|
|
|
|
GetMMIOHandler(current_vaddr)->ReadBlock(current_vaddr, buffer.data(), buffer.size());
|
|
|
|
WriteBlock(dest_addr, buffer.data(), buffer.size());
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
UNREACHABLE();
|
|
|
|
}
|
|
|
|
|
|
|
|
page_index++;
|
|
|
|
page_offset = 0;
|
|
|
|
dest_addr += copy_amount;
|
|
|
|
src_addr += copy_amount;
|
|
|
|
remaining_size -= copy_amount;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2016-01-30 21:41:04 +03:00
|
|
|
template<>
|
|
|
|
u8 ReadMMIO<u8>(MMIORegionPointer mmio_handler, VAddr addr) {
|
|
|
|
return mmio_handler->Read8(addr);
|
|
|
|
}
|
|
|
|
|
|
|
|
template<>
|
|
|
|
u16 ReadMMIO<u16>(MMIORegionPointer mmio_handler, VAddr addr) {
|
|
|
|
return mmio_handler->Read16(addr);
|
|
|
|
}
|
|
|
|
|
|
|
|
template<>
|
|
|
|
u32 ReadMMIO<u32>(MMIORegionPointer mmio_handler, VAddr addr) {
|
|
|
|
return mmio_handler->Read32(addr);
|
|
|
|
}
|
|
|
|
|
|
|
|
template<>
|
|
|
|
u64 ReadMMIO<u64>(MMIORegionPointer mmio_handler, VAddr addr) {
|
|
|
|
return mmio_handler->Read64(addr);
|
|
|
|
}
|
|
|
|
|
|
|
|
template<>
|
|
|
|
void WriteMMIO<u8>(MMIORegionPointer mmio_handler, VAddr addr, const u8 data) {
|
|
|
|
mmio_handler->Write8(addr, data);
|
|
|
|
}
|
|
|
|
|
|
|
|
template<>
|
|
|
|
void WriteMMIO<u16>(MMIORegionPointer mmio_handler, VAddr addr, const u16 data) {
|
|
|
|
mmio_handler->Write16(addr, data);
|
|
|
|
}
|
|
|
|
|
|
|
|
template<>
|
|
|
|
void WriteMMIO<u32>(MMIORegionPointer mmio_handler, VAddr addr, const u32 data) {
|
|
|
|
mmio_handler->Write32(addr, data);
|
|
|
|
}
|
|
|
|
|
|
|
|
template<>
|
|
|
|
void WriteMMIO<u64>(MMIORegionPointer mmio_handler, VAddr addr, const u64 data) {
|
|
|
|
mmio_handler->Write64(addr, data);
|
|
|
|
}
|
|
|
|
|
2015-07-29 17:54:44 +03:00
|
|
|
PAddr VirtualToPhysicalAddress(const VAddr addr) {
|
|
|
|
if (addr == 0) {
|
|
|
|
return 0;
|
|
|
|
} else if (addr >= VRAM_VADDR && addr < VRAM_VADDR_END) {
|
|
|
|
return addr - VRAM_VADDR + VRAM_PADDR;
|
|
|
|
} else if (addr >= LINEAR_HEAP_VADDR && addr < LINEAR_HEAP_VADDR_END) {
|
|
|
|
return addr - LINEAR_HEAP_VADDR + FCRAM_PADDR;
|
|
|
|
} else if (addr >= DSP_RAM_VADDR && addr < DSP_RAM_VADDR_END) {
|
|
|
|
return addr - DSP_RAM_VADDR + DSP_RAM_PADDR;
|
|
|
|
} else if (addr >= IO_AREA_VADDR && addr < IO_AREA_VADDR_END) {
|
|
|
|
return addr - IO_AREA_VADDR + IO_AREA_PADDR;
|
2015-08-06 03:26:52 +03:00
|
|
|
} else if (addr >= NEW_LINEAR_HEAP_VADDR && addr < NEW_LINEAR_HEAP_VADDR_END) {
|
|
|
|
return addr - NEW_LINEAR_HEAP_VADDR + FCRAM_PADDR;
|
2015-07-29 17:54:44 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x%08X", addr);
|
|
|
|
// To help with debugging, set bit on address so that it's obviously invalid.
|
|
|
|
return addr | 0x80000000;
|
|
|
|
}
|
|
|
|
|
|
|
|
VAddr PhysicalToVirtualAddress(const PAddr addr) {
|
|
|
|
if (addr == 0) {
|
|
|
|
return 0;
|
|
|
|
} else if (addr >= VRAM_PADDR && addr < VRAM_PADDR_END) {
|
|
|
|
return addr - VRAM_PADDR + VRAM_VADDR;
|
|
|
|
} else if (addr >= FCRAM_PADDR && addr < FCRAM_PADDR_END) {
|
2016-03-06 09:09:59 +03:00
|
|
|
return addr - FCRAM_PADDR + Kernel::g_current_process->GetLinearHeapAreaAddress();
|
2015-07-29 17:54:44 +03:00
|
|
|
} else if (addr >= DSP_RAM_PADDR && addr < DSP_RAM_PADDR_END) {
|
|
|
|
return addr - DSP_RAM_PADDR + DSP_RAM_VADDR;
|
|
|
|
} else if (addr >= IO_AREA_PADDR && addr < IO_AREA_PADDR_END) {
|
|
|
|
return addr - IO_AREA_PADDR + IO_AREA_VADDR;
|
|
|
|
}
|
|
|
|
|
|
|
|
LOG_ERROR(HW_Memory, "Unknown physical address @ 0x%08X", addr);
|
|
|
|
// To help with debugging, set bit on address so that it's obviously invalid.
|
|
|
|
return addr | 0x80000000;
|
|
|
|
}
|
|
|
|
|
2013-09-19 07:52:51 +04:00
|
|
|
} // namespace
|