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/*
* PSn00bSDK kernel API library (host file access)
* (C) 2023 spicyjpeg - MPL licensed
*/
/**
* @file psxsn.h
* @brief Host file access API header
*
* @details This header provides stubs for the PCDRV API, which grants read and
* write access to a directory on the host's filesystem when the executable is
* running on an emulator or through a debugger that supports the PCDRV
* protocol, such as Unirom or pcsx-redux. These functions are completely
* separate and independent from the file APIs provided by the BIOS and do not
* register any device drivers.
*
* Note that in the official SDK these functions are provided by libsn, while
* in PSn00bSDK they are part of libpsxapi.
*
* IMPORTANT: as these function rely on break instructions internally, calling
* them on real hardware without a PCDRV handler installed or on an emulator
* that does not support the API will result in an uncaught break exception,
* which will cause the BIOS to get stuck in an infinite loop.
*/
#pragma once
#include <stddef.h>
typedef enum {
PCDRV_MODE_READ = 0,
PCDRV_MODE_WRITE = 1,
PCDRV_MODE_READ_WRITE = 2
} PCDRV_OpenMode;
typedef enum {
PCDRV_SEEK_SET = 0,
PCDRV_SEEK_CUR = 1,
PCDRV_SEEK_END = 2
} PCDRV_SeekMode;
#ifdef __cplusplus
extern "C" {
#endif
int PCinit(void);
int PCcreat(const char *path);
int PCopen(const char *path, PCDRV_OpenMode mode);
int PCclose(int fd);
int PCread(int fd, void *data, size_t length);
int PCwrite(int fd, const void *data, size_t length);
int PClseek(int fd, int offset, PCDRV_SeekMode mode);
#ifdef __cplusplus
}
#endif
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