emulator.h

#pragma once
 
#include <stdint.h>
 
void generate_interrupt(unsigned irq_no);
 
typedef struct {
    void (*emu_write_cb)(volatile void * addr);
    void (*emu_read_cb)(const volatile void * addr);
} CMRX_Peripheral_Emulator_t ;
 
#define CMRX_PERIPHERAL_EMULATOR(peripheral_type, name, read_cb, write_cb) \
_Static_assert(sizeof(Full_ ## peripheral_type) == sizeof(peripheral_type), "Type describing peripheral and type that gives full access to it must both have the same size!");\
typedef struct __attribute__((packed)) {\
    CMRX_Peripheral_Emulator_t emu;\
    union {\
        peripheral_type device;\
        Full_ ## peripheral_type device_full;\
    };\
} Emu_ ## peripheral_type;\
\
Emu_ ## peripheral_type name = {\
    .emu = { .emu_write_cb = write_cb, .emu_read_cb = read_cb }\
}