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#ifndef NITRO_FS_OVERLAY_H_
#define NITRO_FS_OVERLAY_H_
#include "nitro.h"
#include "MI_exMemory.h"
#include "FS_file.h"
#include "CARD_rom.h"
typedef u32 FSOverlayID;
typedef void (*FSOverlayInitFunc) (void);
typedef struct FSOverlayInfoHeader
{
u32 id;
u8 *ram_address;
u32 ram_size;
u32 bss_size;
FSOverlayInitFunc *sinit_init;
FSOverlayInitFunc *sinit_init_end;
u32 file_id;
u32 compressed:24;
u32 flag:8;
} FSOverlayInfoHeader;
typedef struct FSOverlayInfo
{
FSOverlayInfoHeader header;
MIProcessor target;
CARDRomRegion file_pos;
} FSOverlayInfo;
static inline u8 *const FS_GetOverlayAddress(FSOverlayInfo * p_ovi)
{
return p_ovi->header.ram_address;
}
static inline u32 const FS_GetOverlayImageSize(FSOverlayInfo * p_ovi)
{
return p_ovi->header.ram_size;
}
static inline u32 const FS_GetOverlayTotalSize(FSOverlayInfo * p_ovi)
{
return p_ovi->header.ram_size + p_ovi->header.bss_size;
}
BOOL FS_LoadOverlayInfo(FSOverlayInfo *p_ovi, MIProcessor target, FSOverlayID id);
BOOL FS_LoadOverlay(MIProcessor target, FSOverlayID id);
BOOL FS_UnloadOverlay(MIProcessor target, FSOverlayID id);
BOOL FS_LoadOverlayImage(FSOverlayInfo *p_ovi);
void FS_StartOverlay(FSOverlayInfo *p_ovi);
BOOL FS_LoadOverlayImageAsync(FSOverlayInfo *p_ovi, FSFile *p_file);
void FS_CloseFile(FSFile *p_file);
#endif //NITRO_FS_OVERLAY_H_
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