registers.h

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/*
 * SPDX-License-Identifier: GPL-3.0-only
 * This file is part of Lazuli.
 */

#ifndef LAZULI_SYS_ARCH_AVR_REGISTERS_H
#define LAZULI_SYS_ARCH_AVR_REGISTERS_H

#include <Lazuli/common.h>

/*
 * General register definitions.
 * Ordered by address value.
 */

#define PINB   DIRECT(0x23)

#define DDRB   DIRECT(0x24)

#define PORTB  DIRECT(0x25)

#define PINC   DIRECT(0x26)

#define DDRC   DIRECT(0x27)

#define PORTC  DIRECT(0x28)

#define PIND   DIRECT(0x29)

#define DDRD   DIRECT(0x2a)

#define PORTD  DIRECT(0x2b)

#define EIFR   DIRECT(0x3c)

#define EIMSK  DIRECT(0x3d)

#define SMCR   DIRECT(0x53)

#define MCUCR  DIRECT(0x55)

#define SP     DIRECT_T(0x5d, void*)

#define PRR    DIRECT(0x64)

#define EICRA  DIRECT(0x69)


/*
 * Register content definitions.
 * Aliases on bit position for some registers.
 */

enum {
  PRR_PRADC    = POSITION(0U), 
  PRR_PRUSART0 = POSITION(1U), 
  PRR_PRSPI    = POSITION(2U), 
  PRR_PRTIM1   = POSITION(3U), 
  PRR_PRTIM0   = POSITION(5U), 
  PRR_PRTIM2   = POSITION(6U), 
  PRR_PRTWI    = POSITION(7U)  
};

#endif /* LAZULI_SYS_ARCH_AVR_REGISTERS_H */