mirror of
https://github.com/ksherlock/mpw.git
synced 2024-11-25 19:30:50 +00:00
58 lines
1.0 KiB
C++
58 lines
1.0 KiB
C++
#ifndef __StackFrame_h__
|
|
#define __StackFrame_h__
|
|
|
|
#include <cstdint>
|
|
|
|
//
|
|
|
|
template<unsigned N>
|
|
void ToolReturn(uint32_t sp, uint32_t value)
|
|
{
|
|
static_assert(N == 2 || N == 4, "Invalid Return Size");
|
|
if (N == 4)
|
|
{
|
|
memoryWriteLong(value, sp);
|
|
}
|
|
if (N == 2)
|
|
{
|
|
memoryWriteWord(value, sp);
|
|
}
|
|
}
|
|
|
|
|
|
template<int Bytes, int Offset>
|
|
uint32_t StackFrame__(uint32_t sp)
|
|
{
|
|
static_assert(Offset == 0, "Invalid Stack Size");
|
|
|
|
cpuSetAReg(7, sp + Bytes);
|
|
return sp + Bytes;
|
|
}
|
|
|
|
template<int Bytes, int Offset, typename... Args>
|
|
uint32_t StackFrame__(uint32_t sp, uint32_t &x, Args&... args)
|
|
{
|
|
x = memoryReadLong(sp + Offset - 4);
|
|
|
|
return StackFrame__<Bytes, Offset - 4>(sp, args...);
|
|
}
|
|
|
|
template<int Bytes, int Offset, typename... Args>
|
|
uint32_t StackFrame__(uint32_t sp, uint16_t &x, Args&... args)
|
|
{
|
|
x = memoryReadWord(sp + Offset - 2);
|
|
|
|
return StackFrame__<Bytes, Offset - 2>(sp, args...);
|
|
}
|
|
|
|
template<int Bytes, typename... Args>
|
|
uint32_t StackFrame(Args&... args)
|
|
{
|
|
uint32_t sp = cpuGetAReg(7);
|
|
|
|
return StackFrame__<Bytes, Bytes>(sp, args...);
|
|
}
|
|
|
|
|
|
|
|
#endif |