From e2c7954be5ccabc7c5f87000db01cef040ca4b47 Mon Sep 17 00:00:00 2001
From: Yuri Kunde Schlesner <yuriks@yuriks.net>
Date: Wed, 29 Jul 2015 11:54:44 -0300
Subject: Memory: Move address type conversion routines to memory.cpp/h
These helpers aren't really part of the kernel, and mem_map.cpp/h is
going to be moved there next.
---
src/core/memory.cpp | 37 ++++++++++++++++++++++++++++++++++++-
1 file changed, 36 insertions(+), 1 deletion(-)
(limited to 'src/core/memory.cpp')
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 1f66bb27d6..935dac90f7 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -9,7 +9,6 @@
#include "common/logging/log.h"
#include "common/swap.h"
-#include "core/mem_map.h"
#include "core/memory.h"
#include "core/memory_setup.h"
@@ -198,4 +197,40 @@ void WriteBlock(const VAddr addr, const u8* data, const size_t size) {
Write8(addr + offset, data[offset]);
}
+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;
+ }
+
+ 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) {
+ return addr - FCRAM_PADDR + LINEAR_HEAP_VADDR;
+ } 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;
+}
+
} // namespace
--
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