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core/memory: Get rid of 3DS leftovers

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Removes leftover code from citra that isn't needed.
This commit is contained in:
Lioncash 2018-08-02 23:37:44 -04:00
parent 299975e4a8
commit 3bcf090d37
16 changed files with 27 additions and 557 deletions
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106
src/core/memory.cpp
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@ -14,7 +14,6 @@
#include "common/swap.h"
#include "core/arm/arm_interface.h"
#include "core/core.h"
#include "core/hle/kernel/memory.h"
#include "core/hle/kernel/process.h"
#include "core/hle/lock.h"
#include "core/memory.h"
@ -24,8 +23,6 @@
namespace Memory {
static std::array<u8, Memory::VRAM_SIZE> vram;
static PageTable* current_page_table = nullptr;
void SetCurrentPageTable(PageTable* page_table) {
@ -242,10 +239,6 @@ bool IsKernelVirtualAddress(const VAddr vaddr) {
return KERNEL_REGION_VADDR <= vaddr && vaddr < KERNEL_REGION_END;
}
bool IsValidPhysicalAddress(const PAddr paddr) {
return GetPhysicalPointer(paddr) != nullptr;
}
u8* GetPointer(const VAddr vaddr) {
u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
if (page_pointer) {
@ -274,61 +267,6 @@ std::string ReadCString(VAddr vaddr, std::size_t max_length) {
return string;
}
u8* GetPhysicalPointer(PAddr address) {
struct MemoryArea {
PAddr paddr_base;
u32 size;
};
static constexpr MemoryArea memory_areas[] = {
{VRAM_PADDR, VRAM_SIZE},
{IO_AREA_PADDR, IO_AREA_SIZE},
{DSP_RAM_PADDR, DSP_RAM_SIZE},
{FCRAM_PADDR, FCRAM_N3DS_SIZE},
};
const auto area =
std::find_if(std::begin(memory_areas), std::end(memory_areas), [&](const auto& area) {
return address >= area.paddr_base && address < area.paddr_base + area.size;
});
if (area == std::end(memory_areas)) {
LOG_ERROR(HW_Memory, "Unknown GetPhysicalPointer @ 0x{:016X}", address);
return nullptr;
}
if (area->paddr_base == IO_AREA_PADDR) {
LOG_ERROR(HW_Memory, "MMIO mappings are not supported yet. phys_addr={:016X}", address);
return nullptr;
}
u64 offset_into_region = address - area->paddr_base;
u8* target_pointer = nullptr;
switch (area->paddr_base) {
case VRAM_PADDR:
target_pointer = vram.data() + offset_into_region;
break;
case DSP_RAM_PADDR:
break;
case FCRAM_PADDR:
for (const auto& region : Kernel::memory_regions) {
if (offset_into_region >= region.base &&
offset_into_region < region.base + region.size) {
target_pointer =
region.linear_heap_memory->data() + offset_into_region - region.base;
break;
}
}
ASSERT_MSG(target_pointer != nullptr, "Invalid FCRAM address");
break;
default:
UNREACHABLE();
}
return target_pointer;
}
void RasterizerMarkRegionCached(Tegra::GPUVAddr gpu_addr, u64 size, bool cached) {
if (gpu_addr == 0) {
return;
@ -666,48 +604,4 @@ void CopyBlock(VAddr dest_addr, VAddr src_addr, size_t size) {
CopyBlock(*Core::CurrentProcess(), dest_addr, src_addr, size);
}
boost::optional<PAddr> TryVirtualToPhysicalAddress(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 >= NEW_LINEAR_HEAP_VADDR && addr < NEW_LINEAR_HEAP_VADDR_END) {
return addr - NEW_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;
}
return boost::none;
}
PAddr VirtualToPhysicalAddress(const VAddr addr) {
auto paddr = TryVirtualToPhysicalAddress(addr);
if (!paddr) {
LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x{:016X}", addr);
// To help with debugging, set bit on address so that it's obviously invalid.
return addr | 0x80000000;
}
return *paddr;
}
boost::optional<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) {
return addr - FCRAM_PADDR + Core::CurrentProcess()->GetLinearHeapAreaAddress();
} 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;
}
return boost::none;
}
} // namespace Memory