#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "logging.h"
#include "avr_flash.h"
#include "avr_watchdog.h"
#include "sim_avr.h"
#include "sim_core.h"
#include "sim_gdb.h"

Include dependency graph for sim_core.c:

Macros
#define	T(w)

#define	REG_TOUCH(a, r)

#define	STATE(_f, args...)

#define	SREG()

#define	get_d5(o) const uint8_t d = (o >> 4) & 0x1f;

#define	get_vd5(o)

#define	get_r5(o) const uint8_t r = ((o >> 5) & 0x10) \| (o & 0xf);

#define	get_d5_a6(o)

#define	get_vd5_s3(o)

#define	get_vd5_s3_mask(o)

#define	get_vd5_vr5(o)

#define	get_d5_vr5(o)

#define	get_h4_k8(o)

#define	get_vh4_k8(o)

#define	get_d5_q6(o)

#define	get_io5(o) const uint8_t io = ((o >> 3) & 0x1f) + 32;

#define	get_io5_b3(o)

#define	get_io5_b3mask(o)

#define	get_o12(op) const int16_t o = ((int16_t)((op << 4) & 0xffff)) >> 3;

#define	get_vp2_k6(o)

#define	get_sreg_bit(o) const uint8_t b = (o >> 4) & 7;

#define	TRACE_JUMP()

#define	STACK_FRAME_PUSH()

#define	STACK_FRAME_POP()

Functions
static uint16_t	_avr_read_instruction (avr_t *avr, avr_flashaddr_t pc)
	Read the instruction in flash memory at given pc. More...

void	crash (avr_t *avr)

void	avr_core_watch_write (avr_t *avr, uint16_t addr, uint8_t v)
	These are accessors for avr->data but allows watchpoints to be set for gdb IO modules use that to set values to registers, and the AVR core decoder uses that to register "public" read by instructions. More...

uint8_t	avr_core_watch_read (avr_t *avr, uint16_t addr)

static void	_avr_set_r (avr_t *avr, uint16_t r, uint8_t v)

uint16_t	_avr_sp_get (avr_t *avr)
	Stack pointer access. More...

void	_avr_sp_set (avr_t *avr, uint16_t sp)

static void	_avr_set_ram (avr_t *avr, uint16_t addr, uint8_t v)
	Set any address to a value; split between registers and SRAM. More...

static uint8_t	_avr_get_ram (avr_t *avr, uint16_t addr)
	Get a value from SRAM. More...

static void	_avr_push8 (avr_t *avr, uint16_t v)
	Stack push accessors. More...

static uint8_t	_avr_pop8 (avr_t *avr)

int	_avr_push_addr (avr_t *avr, avr_flashaddr_t addr)

avr_flashaddr_t	_avr_pop_addr (avr_t *avr)

const char *	avr_regname (uint8_t reg)

static void	_avr_invalid_opcode (avr_t *avr)
	Called when an invalid opcode is decoded. More...

static void	_avr_flags_zns (struct avr_t *avr, uint8_t res)

static void	_avr_flags_zns16 (struct avr_t *avr, uint16_t res)

static void	_avr_flags_add_zns (struct avr_t *avr, uint8_t res, uint8_t rd, uint8_t rr)

static void	_avr_flags_sub_zns (struct avr_t *avr, uint8_t res, uint8_t rd, uint8_t rr)

static void	_avr_flags_Rzns (struct avr_t *avr, uint8_t res)

static void	_avr_flags_sub_Rzns (struct avr_t *avr, uint8_t res, uint8_t rd, uint8_t rr)

static void	_avr_flags_zcvs (struct avr_t *avr, uint8_t res, uint8_t vr)

static void	_avr_flags_zcnvs (struct avr_t *avr, uint8_t res, uint8_t vr)

static void	_avr_flags_znv0s (struct avr_t *avr, uint8_t res)

static int	_avr_is_instruction_32_bits (avr_t *avr, avr_flashaddr_t pc)

avr_flashaddr_t	avr_run_one (avr_t *avr)
	Instruction decoder, run ONE instruction. More...

Variables
const char *	_sreg_bit_name = "cznvshti"

const char *	reg_names [255]
	"Pretty" register names More...

Macro Definition Documentation

#define get_d5 ( o ) const uint8_t d = (o >> 4) & 0x1f;

#define get_d5_a6 ( o )

Value:

get_d5(o); \

const uint8_t A = ((((o >> 9) & 3) << 4) | ((o) & 0xf)) + 32;

get_d5

#define get_d5(o)

Definition: sim_core.c:463

#define get_d5_q6 ( o )

Value:

get_d5(o) \

const uint8_t q = ((o & 0x2000) >> 8) | ((o & 0x0c00) >> 7) | (o & 0x7);

get_d5

#define get_d5(o)

Definition: sim_core.c:463

#define get_d5_vr5 ( o )

Value:

get_d5(o);                                    \
  get_r5(o);                                    \
  const uint8_t vr = avr->data[r];

#define get_h4_k8 ( o )

Value:

const uint8_t h = 16 + ((o >> 4) & 0xf); \

const uint8_t k = ((o & 0x0f00) >> 4) | (o & 0xf);

#define get_io5 ( o ) const uint8_t io = ((o >> 3) & 0x1f) + 32;

#define get_io5_b3 ( o )

Value:

get_io5(o); \

const uint8_t b = o & 0x7;

get_io5

#define get_io5(o)

Definition: sim_core.c:507

#define get_io5_b3mask ( o )

Value:

get_io5(o); \

const uint8_t mask = 1 << (o & 0x7);

get_io5

#define get_io5(o)

Definition: sim_core.c:507

#define get_o12 ( op ) const int16_t o = ((int16_t)((op << 4) & 0xffff)) >> 3;

#define get_r5 ( o ) const uint8_t r = ((o >> 5) & 0x10) | (o & 0xf);

#define get_sreg_bit ( o ) const uint8_t b = (o >> 4) & 7;

#define get_vd5 ( o )

Value:

get_d5(o) \

const uint8_t vd = avr->data[d];

avr_t::data

uint8_t * data

SRAM memory, starting by the general purpose registers, and IO registers.

Definition: sim_avr.h:265

avr

avr_t * avr

Definition: run_avr.c:54

get_d5

#define get_d5(o)

Definition: sim_core.c:463

#define get_vd5_s3 ( o )

Value:

get_vd5(o); \

const uint8_t s = o & 7;

get_vd5

#define get_vd5(o)

Definition: sim_core.c:466

#define get_vd5_s3_mask ( o )

Value:

get_vd5_s3(o); \

const uint8_t mask = 1 << s;

get_vd5_s3

#define get_vd5_s3(o)

Definition: sim_core.c:477

#define get_vd5_vr5 ( o )

Value:

get_r5(o);                                            \
  get_d5(o);                                            \
  const uint8_t vd = avr->data[d], vr = avr->data[r];

#define get_vh4_k8 ( o )

Value:

get_h4_k8(o) \

const uint8_t vh = avr->data[h];

get_h4_k8

#define get_h4_k8(o)

Definition: sim_core.c:495

avr_t::data

uint8_t * data

SRAM memory, starting by the general purpose registers, and IO registers.

Definition: sim_avr.h:265

avr

avr_t * avr

Definition: run_avr.c:54

#define get_vp2_k6 ( o )

Value:

const uint8_t p = 24 + ((o >> 3) & 0x6);                      \
  const uint8_t k = ((o & 0x00c0) >> 2) | (o & 0xf);            \
  const uint16_t vp = avr->data[p] | (avr->data[p + 1] << 8);

#define REG_TOUCH	(	a,
		r
	)

#define SREG ( )

#define STACK_FRAME_POP ( )

#define STACK_FRAME_PUSH ( )

#define STATE	(	_f,
		args...
	)

#define T ( w )

#define TRACE_JUMP ( )

Function Documentation

static void _avr_flags_add_zns	(	struct avr_t *	avr,
		uint8_t	res,
		uint8_t	rd,
		uint8_t	rr
	)

static

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static void _avr_flags_Rzns	(	struct avr_t *	avr,
		uint8_t	res
	)

static

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static void _avr_flags_sub_Rzns	(	struct avr_t *	avr,
		uint8_t	res,
		uint8_t	rd,
		uint8_t	rr
	)

static

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static void _avr_flags_sub_zns	(	struct avr_t *	avr,
		uint8_t	res,
		uint8_t	rd,
		uint8_t	rr
	)

static

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static void _avr_flags_zcnvs	(	struct avr_t *	avr,
		uint8_t	res,
		uint8_t	vr
	)

static

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static void _avr_flags_zcvs	(	struct avr_t *	avr,
		uint8_t	res,
		uint8_t	vr
	)

static

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static void _avr_flags_zns	(	struct avr_t *	avr,
		uint8_t	res
	)

static

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static void _avr_flags_zns16	(	struct avr_t *	avr,
		uint16_t	res
	)

static

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static void _avr_flags_znv0s	(	struct avr_t *	avr,
		uint8_t	res
	)

static

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static uint8_t _avr_get_ram	(	avr_t *	avr,
		uint16_t	addr
	)

inlinestatic

Get a value from SRAM.

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static void _avr_invalid_opcode ( avr_t * avr )

static

Called when an invalid opcode is decoded.

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static int _avr_is_instruction_32_bits	(	avr_t *	avr,
		avr_flashaddr_t	pc
	)

inlinestatic

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static uint8_t _avr_pop8 ( avr_t * avr )

inlinestatic

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avr_flashaddr_t _avr_pop_addr ( avr_t * avr )

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static void _avr_push8	(	avr_t *	avr,
		uint16_t	v
	)

inlinestatic

Stack push accessors.

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static uint16_t _avr_read_instruction	(	avr_t *	avr,
		avr_flashaddr_t	pc
	)

inlinestatic

Read the instruction in flash memory at given pc.

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static void _avr_set_r	(	avr_t *	avr,
		uint16_t	r,
		uint8_t	v
	)

inlinestatic

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static void _avr_set_ram	(	avr_t *	avr,
		uint16_t	addr,
		uint8_t	v
	)

inlinestatic

Set any address to a value; split between registers and SRAM.

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const char* avr_regname ( uint8_t reg )

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void crash ( avr_t * avr )

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Variable Documentation

const char* _sreg_bit_name = "cznvshti"

const char* reg_names[255]

Initial value:

= {
  [R_XH] = "XH", [R_XL] = "XL",
  [R_YH] = "YH", [R_YL] = "YL",
  [R_ZH] = "ZH", [R_ZL] = "ZL",
  [R_SPH] = "SPH", [R_SPL] = "SPL",
  [R_SREG] = "SREG",
}

"Pretty" register names

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation