ramcode.h

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#ifndef GUARD_RAMCODE_H
#define GUARD_RAMCODE_H
 
/// @file
/// Copying ARM routines to RAM to run them there.
 
#include "dma.h"
#include "io_reg.h"
#include "mem.h"
#include "types.h"
 
// Copies an ARM routine to RAM for execution. bytes is its linker-defined size.
 
/// Allocates a heap copy; release it with MemFree when finished.
#define RamCode_Load(to, code, bytes)                                          \
  do {                                                                         \
    u32 size_;                                                                 \
                                                                               \
    size_ = (u32)(bytes);                                                      \
                                                                               \
    (to) = MemAlloc(size_);                                                    \
    Dma_Set((const void *)(code), (to), 0x84000000 | (size_ >> 2), REG_DMA3);  \
  } while (0)
 
/// Allocates a work-slot copy; release it with Runtime_ReleaseHeapBlock.
#define RamCode_LoadSlot(slot, code, bytes)                                    \
  do {                                                                         \
    u32 size_;                                                                 \
                                                                               \
    size_ = (u32)(bytes);                                                      \
                                                                               \
    Dma_Set((const void *)(code), Runtime_AllocateHeapBlock((slot), size_),    \
            0x84000000 | (size_ >> 2), REG_DMA3);                              \
  } while (0)
 
#endif