ra8_ethosu_shim.h

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#pragma once
 
#include <stddef.h>
#include <stdint.h>
 
#include "ra8_device.h"
 
/* RA8P1-only. On a device without an NPU this header declares nothing (its
 * matching ra8_ethosu_shim.c is an empty translation unit), so it stays safe to
 * include anywhere: using an ethosu_* symbol on the RA8D2 is then a link error,
 * not a compile-time #error that would trip whole-tree tooling (clang-tidy). */
#ifdef RA8_HAS_NPU
 
#ifdef __cplusplus
extern "C" {
#endif

struct ethosu_driver;

struct ethosu_driver* ethosu_reserve_driver(void);

int ethosu_invoke_v3(struct ethosu_driver* drv,
                     const void*           custom_data_ptr,
                     int                   custom_data_size,
                     const uint64_t*       base_addr,
                     const size_t*         base_addr_size,
                     int                   num_base_addr,
                     void*                 user_arg);

void ethosu_release_driver(struct ethosu_driver* drv);
 
#ifdef __cplusplus
}
#endif
 
#endif /* RA8_HAS_NPU */