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/*
* Copyright (C) 2013 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
/* Debugging Options */
#define DEBUG_CONTROL_FLOW 0
#define DEBUG_INTERRUPT 0
#define DEBUG_OPCODES 0
#define RESERVED_SECTORS 20
#define RESERVED_SECTORS_THRESHOLD 1
#include "config.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "conv_gen.h"
#include "glue.h"
#include "std-ide.h"
#include "sig_boolean.h"
#include "sig_integer.h"
#define STATE
struct cpssp {
struct sig_ide_bus *port_ide;
struct {
unsigned int unit;
volatile uint8_t error; /* error reg (read only) */
volatile uint8_t features;/* features reg (write only) */
volatile uint8_t nsector; /* sector count reg */
volatile uint8_t sector; /* sector reg */
volatile uint16_t cyl; /* cylinder reg */
volatile uint8_t select; /* select reg */
volatile uint8_t command; /* command reg */
uint8_t control; /* device control reg */
} common;
#define NAME core
#define NAME_(x) core_ ## x
#define SNAME "core"
#include "arch_ata_disk.c"
#undef NAME
#undef NAME_
#undef SNAME
#define NAME iface
#define NAME_(x) iface_ ## x
#define SNAME "iface"
#include "arch_pata_ata.c"
#undef NAME
#undef NAME_
#undef SNAME
};
#undef STATE
#define BEHAVIOR
static void
iface_dmarq_out_set(struct cpssp *cpssp, unsigned int val)
{
sig_ide_bus_dmarq_set(cpssp->port_ide, val);
}
static void
iface_irqrq_out_set(struct cpssp *cpssp, unsigned int val)
{
sig_ide_bus_irq(cpssp->port_ide, cpssp, val);
}
/*forward*/ static void
iface_dma_in(struct cpssp *cpssp, unsigned int count);
/*forward*/ static void
iface_dma_out(struct cpssp *cpssp, unsigned int count);
/*forward*/ static void
iface_pio_in(struct cpssp *cpssp, unsigned int count, int irq);
/*forward*/ static void
iface_pio_out(struct cpssp *cpssp, unsigned int count, int irq);
/*forward*/ static void
iface_done_io(struct cpssp *cpssp);
/*forward*/ static void
iface_done_cmd(struct cpssp *cpssp, int irq);
/*forward*/ static void
core_data_in(struct cpssp *cpssp, uint16_t *valp);
/*forward*/ static void
core_data_out(struct cpssp *cpssp, uint16_t val);
/*forward*/ static void
core_command(struct cpssp *cpssp);
/*forward*/ static void
core_soft_reset(struct cpssp *cpssp);
static void
core_dma_in(struct cpssp *cpssp, unsigned int count)
{
iface_dma_in(cpssp, count);
}
static void
core_dma_out(struct cpssp *cpssp, unsigned int count)
{
iface_dma_out(cpssp, count);
}
static void
core_pio_in(struct cpssp *cpssp, unsigned int count, int irq)
{
iface_pio_in(cpssp, count, irq);
}
static void
core_pio_out(struct cpssp *cpssp, unsigned int count, int irq)
{
iface_pio_out(cpssp, count, irq);
}
static void
core_done_io(struct cpssp *cpssp)
{
iface_done_io(cpssp);
}
static void
core_done_cmd(struct cpssp *cpssp, int irq)
{
iface_done_cmd(cpssp, irq);
}
static void
iface_data_in(struct cpssp *cpssp, uint16_t *valp)
{
core_data_in(cpssp, valp);
}
static void
iface_data_out(struct cpssp *cpssp, uint16_t val)
{
core_data_out(cpssp, val);
}
static void
iface_command(struct cpssp *cpssp)
{
core_command(cpssp);
}
static void
iface_soft_reset(struct cpssp *cpssp)
{
core_soft_reset(cpssp);
}
#define NAME core
#define NAME_(x) core_ ## x
#define SNAME "core"
#include "arch_ata_disk.c"
#undef NAME
#undef NAME_
#undef SNAME
#define DEBUG 0
#define PACKET_INTERFACE 0
#define NAME iface
#define NAME_(x) iface_ ## x
#define SNAME "iface"
#include "arch_pata_ata.c"
#undef NAME
#undef NAME_
#undef SNAME
#undef PACKET_INTERFACE
#undef DEBUG
static void
COMP_(power_set)(void *_cpssp, unsigned int val)
{
struct cpssp *cpssp = _cpssp;
core_power_set(cpssp, val);
iface_power_set(cpssp, val);
}
static void
COMP_(reset)(void *_cpssp, unsigned int val)
{
struct cpssp *cpssp = _cpssp;
core_reset_set(cpssp, val);
iface_reset_set(cpssp, val);
}
static int
COMP_(inw)(void *_cpssp, unsigned short port, uint16_t *valp)
{
struct cpssp *cpssp = _cpssp;
return iface_inw(cpssp, port, valp);
}
static void
COMP_(outw)(void *_cpssp, unsigned short port, uint16_t val)
{
struct cpssp *cpssp = _cpssp;
iface_outw(cpssp, port, val);
}
static int
COMP_(dmainw)(void *_cpssp, uint16_t *valp)
{
struct cpssp *cpssp = _cpssp;
return iface_dmainw(cpssp, valp);
}
static void
COMP_(dmaoutw)(void *_cpssp, uint16_t val)
{
struct cpssp *cpssp = _cpssp;
iface_dmaoutw(cpssp, val);
}
void *
COMP_(create)(
const char *name,
const char *image,
#ifndef CYLINDERS
const char *cylinders,
const char *heads,
const char *sectors,
const char *size,
#endif
const char *unit,
struct sig_manage *port_manage,
struct sig_molex_ide_power_conn *port_power,
struct sig_ide_bus *port_ide
)
{
static const struct sig_std_logic_funcs power_funcs = {
.boolean_or_set = COMP_(power_set),
};
static const struct sig_ide_bus_funcs ide_funcs = {
.reset = COMP_(reset),
.inw = COMP_(inw),
.outw = COMP_(outw),
.dmainw = COMP_(dmainw),
.dmaoutw = COMP_(dmaoutw),
};
struct cpssp *cpssp;
assert(unit);
cpssp = shm_alloc(sizeof(*cpssp));
assert(cpssp);
cpssp->common.unit = strtoul(unit, NULL, 0);
core_create(cpssp, name, image,
#ifndef CYLINDERS
cylinders, heads, sectors, size,
#endif
port_manage);
iface_create(cpssp);
/* Call */
cpssp->port_ide = port_ide;
sig_ide_bus_connect(port_ide, cpssp, &ide_funcs);
/* In */
sig_std_logic_connect_in(port_power->_plus_5V, cpssp, &power_funcs);
return cpssp;
}
void
COMP_(destroy)(void *_cpssp)
{
struct cpssp *cpssp = _cpssp;
core_destroy(cpssp);
iface_destroy(cpssp);
shm_free(cpssp);
}
void
COMP_(suspend)(void *_cpssp, FILE *fp)
{
struct cpssp *cpssp = _cpssp;
generic_suspend(&cpssp->common, sizeof(cpssp->common), fp);
core_suspend(cpssp, fp);
iface_suspend(cpssp, fp);
}
void
COMP_(resume)(void *_cpssp, FILE *fp)
{
struct cpssp *cpssp = _cpssp;
generic_resume(&cpssp->common, sizeof(cpssp->common), fp);
core_resume(cpssp, fp);
iface_resume(cpssp, fp);
}
#undef BEHAVIOR
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