77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
#include <cstring>
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#include <mem.hpp>
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#include <ircolib/log.hpp>
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#include "ircolib/mem_access.hpp"
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namespace weee::core {
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mem::mem() {
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mem1.resize(24_mib);
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std::fill(mem1.begin(), mem1.end(), 0);
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}
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void mem::copy(std::vector<ircolib::u8> &src, const ircolib::u32 offset) {
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if (offset + src.size() >= mem1.size())
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ircolib::panic("mem::copy outside mem1 range (src @ 0x{:08} for size 0x{:08X})", offset, src.size());
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ircolib::swap_buffer<ircolib::u32>(src);
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std::println("Copying {} bytes to mem1[{}]", src.size(), offset);
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std::copy(src.begin(), src.end(), mem1.begin() + offset);
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}
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void mem::copy(ircolib::u8 *src, const ircolib::u32 size, const ircolib::u32 offset) {
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if (offset + size >= mem1.size())
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ircolib::panic("mem::copy outside mem1 range (src @ 0x{:08} for size 0x{:08X})", offset, size);
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ircolib::swap_buffer<ircolib::u32>(src, size);
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std::println("Copying {} bytes to mem1[{}]", size, offset);
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memcpy(&mem1[offset], src, size);
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}
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void mem::set(const ircolib::u8 val, const ircolib::u32 size, const ircolib::u32 offset) {
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if (offset + size >= mem1.size())
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ircolib::panic("mem::set outside mem1 range (@ 0x{:08} for size 0x{:08X})", offset, size);
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std::println("Setting {} bytes to {} from mem1[{}]", size, val, offset);
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memset(&mem1[offset], val, size);
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}
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template <>
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ircolib::u32 mem::read(ircolib::u32 addr) {
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addr &= 0x0FFFFFFF;
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if (addr > 0x017FFFFF)
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ircolib::panic("mem::read unimplemented outside mem1 (0x{:08X})", addr);
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return ircolib::read_access<ircolib::u32>(mem1, addr);
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}
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template <>
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ircolib::u16 mem::read(ircolib::u32 addr) {
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addr &= 0x0FFFFFFF;
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if (addr > 0x017FFFFF)
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ircolib::panic("mem::read unimplemented outside mem1 (0x{:08X})", addr);
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return ircolib::read_access<ircolib::u16>(mem1, addr);
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}
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void mem::write(ircolib::u32 addr, ircolib::u32 value) {
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addr &= 0x0FFFFFFF;
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if (addr > 0x017FFFFF)
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ircolib::panic("mem::write unimplemented outside mem1 (0x{:08X} = 0x{:08X})", addr, value);
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ircolib::write_access<ircolib::u32>(mem1, addr, value);
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}
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void mem::write(ircolib::u32 addr, ircolib::u16 value) {
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addr &= 0x0FFFFFFF;
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if (addr > 0x017FFFFF && !ircolib::is_inside_range(addr, 0x0C002000, 0x0C0020FF))
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ircolib::panic("mem::write unimplemented outside mem1 and vi (0x{:08X} = 0x{:08X})", addr, value);
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if (addr <= 0x017FFFFF) {
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ircolib::write_access<ircolib::u16>(mem1, addr, value);
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return;
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}
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vi.write(addr, value);
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}
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} // namespace weee::core
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