From e2c7954be5ccabc7c5f87000db01cef040ca4b47 Mon Sep 17 00:00:00 2001 From: Yuri Kunde Schlesner 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 1f66bb27d..935dac90f 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 -- cgit v1.2.3