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hw/char: remove legacy interface escc_init() 

Move necessary stuff in escc.h and update type names.
Remove slavio_serial_ms_kbd_init().
Fix code style problems reported by checkpatch.pl
Update mac_newworld, mac_oldworld and sun4m to use directly the
QDEV interface.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Laurent Vivier 2018-02-14 07:35:58 +01:00 committed by David Gibson
parent 9478956794
commit 2cc75c32e6
5 changed files with 170 additions and 165 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

209
hw/char/escc.c
View File

@ -26,10 +26,7 @@
#include "hw/hw.h"
#include "hw/sysbus.h"
#include "hw/char/escc.h"
#include "chardev/char-fe.h"
#include "chardev/char-serial.h"
#include "ui/console.h"
#include "ui/input.h"
#include "trace.h"
/*
@ -64,53 +61,7 @@
* 2010-May-23 Artyom Tarasenko: Reworked IUS logic
*/
typedef enum {
chn_a, chn_b,
} ChnID;
#define CHN_C(s) ((s)->chn == chn_b? 'b' : 'a')
typedef enum {
ser, kbd, mouse,
} ChnType;
#define SERIO_QUEUE_SIZE 256
typedef struct {
uint8_t data[SERIO_QUEUE_SIZE];
int rptr, wptr, count;
} SERIOQueue;
#define SERIAL_REGS 16
typedef struct ChannelState {
qemu_irq irq;
uint32_t rxint, txint, rxint_under_svc, txint_under_svc;
struct ChannelState *otherchn;
uint32_t reg;
uint8_t wregs[SERIAL_REGS], rregs[SERIAL_REGS];
SERIOQueue queue;
CharBackend chr;
int e0_mode, led_mode, caps_lock_mode, num_lock_mode;
int disabled;
int clock;
uint32_t vmstate_dummy;
ChnID chn; // this channel, A (base+4) or B (base+0)
ChnType type;
uint8_t rx, tx;
QemuInputHandlerState *hs;
} ChannelState;
#define ESCC(obj) OBJECT_CHECK(ESCCState, (obj), TYPE_ESCC)
typedef struct ESCCState {
SysBusDevice parent_obj;
struct ChannelState chn[2];
uint32_t it_shift;
MemoryRegion mmio;
uint32_t disabled;
uint32_t frequency;
} ESCCState;
#define CHN_C(s) ((s)->chn == escc_chn_b ? 'b' : 'a')
#define SERIAL_CTRL 0
#define SERIAL_DATA 1
@ -214,44 +165,47 @@ typedef struct ESCCState {
#define R_MISC1I 14
#define R_EXTINT 15
static void handle_kbd_command(ChannelState *s, int val);
static void handle_kbd_command(ESCCChannelState *s, int val);
static int serial_can_receive(void *opaque);
static void serial_receive_byte(ChannelState *s, int ch);
static void serial_receive_byte(ESCCChannelState *s, int ch);
static void clear_queue(void *opaque)
{
ChannelState *s = opaque;
SERIOQueue *q = &s->queue;
ESCCChannelState *s = opaque;
ESCCSERIOQueue *q = &s->queue;
q->rptr = q->wptr = q->count = 0;
}
static void put_queue(void *opaque, int b)
{
ChannelState *s = opaque;
SERIOQueue *q = &s->queue;
ESCCChannelState *s = opaque;
ESCCSERIOQueue *q = &s->queue;
trace_escc_put_queue(CHN_C(s), b);
if (q->count >= SERIO_QUEUE_SIZE)
if (q->count >= ESCC_SERIO_QUEUE_SIZE) {
return;
}
q->data[q->wptr] = b;
if (++q->wptr == SERIO_QUEUE_SIZE)
if (++q->wptr == ESCC_SERIO_QUEUE_SIZE) {
q->wptr = 0;
}
q->count++;
serial_receive_byte(s, 0);
}
static uint32_t get_queue(void *opaque)
{
ChannelState *s = opaque;
SERIOQueue *q = &s->queue;
ESCCChannelState *s = opaque;
ESCCSERIOQueue *q = &s->queue;
int val;
if (q->count == 0) {
return 0;
} else {
val = q->data[q->rptr];
if (++q->rptr == SERIO_QUEUE_SIZE)
if (++q->rptr == ESCC_SERIO_QUEUE_SIZE) {
q->rptr = 0;
}
q->count--;
}
trace_escc_get_queue(CHN_C(s), val);
@ -260,7 +214,7 @@ static uint32_t get_queue(void *opaque)
return val;
}
static int escc_update_irq_chn(ChannelState *s)
static int escc_update_irq_chn(ESCCChannelState *s)
{
if ((((s->wregs[W_INTR] & INTR_TXINT) && (s->txint == 1)) ||
// tx ints enabled, pending
@ -274,7 +228,7 @@ static int escc_update_irq_chn(ChannelState *s)
return 0;
}
static void escc_update_irq(ChannelState *s)
static void escc_update_irq(ESCCChannelState *s)
{
int irq;
@ -285,12 +239,12 @@ static void escc_update_irq(ChannelState *s)
qemu_set_irq(s->irq, irq);
}
static void escc_reset_chn(ChannelState *s)
static void escc_reset_chn(ESCCChannelState *s)
{
int i;
s->reg = 0;
for (i = 0; i < SERIAL_REGS; i++) {
for (i = 0; i < ESCC_SERIAL_REGS; i++) {
s->rregs[i] = 0;
s->wregs[i] = 0;
}
@ -322,13 +276,13 @@ static void escc_reset(DeviceState *d)
escc_reset_chn(&s->chn[1]);
}
static inline void set_rxint(ChannelState *s)
static inline void set_rxint(ESCCChannelState *s)
{
s->rxint = 1;
/* XXX: missing daisy chainnig: chn_b rx should have a lower priority
/* XXX: missing daisy chainnig: escc_chn_b rx should have a lower priority
than chn_a rx/tx/special_condition service*/
s->rxint_under_svc = 1;
if (s->chn == chn_a) {
if (s->chn == escc_chn_a) {
s->rregs[R_INTR] |= INTR_RXINTA;
if (s->wregs[W_MINTR] & MINTR_STATUSHI)
s->otherchn->rregs[R_IVEC] = IVEC_HIRXINTA;
@ -344,12 +298,12 @@ static inline void set_rxint(ChannelState *s)
escc_update_irq(s);
}
static inline void set_txint(ChannelState *s)
static inline void set_txint(ESCCChannelState *s)
{
s->txint = 1;
if (!s->rxint_under_svc) {
s->txint_under_svc = 1;
if (s->chn == chn_a) {
if (s->chn == escc_chn_a) {
if (s->wregs[W_INTR] & INTR_TXINT) {
s->rregs[R_INTR] |= INTR_TXINTA;
}
@ -367,11 +321,11 @@ static inline void set_txint(ChannelState *s)
}
}
static inline void clr_rxint(ChannelState *s)
static inline void clr_rxint(ESCCChannelState *s)
{
s->rxint = 0;
s->rxint_under_svc = 0;
if (s->chn == chn_a) {
if (s->chn == escc_chn_a) {
if (s->wregs[W_MINTR] & MINTR_STATUSHI)
s->otherchn->rregs[R_IVEC] = IVEC_HINOINT;
else
@ -389,11 +343,11 @@ static inline void clr_rxint(ChannelState *s)
escc_update_irq(s);
}
static inline void clr_txint(ChannelState *s)
static inline void clr_txint(ESCCChannelState *s)
{
s->txint = 0;
s->txint_under_svc = 0;
if (s->chn == chn_a) {
if (s->chn == escc_chn_a) {
if (s->wregs[W_MINTR] & MINTR_STATUSHI)
s->otherchn->rregs[R_IVEC] = IVEC_HINOINT;
else
@ -412,12 +366,12 @@ static inline void clr_txint(ChannelState *s)
escc_update_irq(s);
}
static void escc_update_parameters(ChannelState *s)
static void escc_update_parameters(ESCCChannelState *s)
{
int speed, parity, data_bits, stop_bits;
QEMUSerialSetParams ssp;
if (!qemu_chr_fe_backend_connected(&s->chr) || s->type != ser)
if (!qemu_chr_fe_backend_connected(&s->chr) || s->type != escc_serial)
return;
if (s->wregs[W_TXCTRL1] & TXCTRL1_PAREN) {
@ -474,7 +428,7 @@ static void escc_mem_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size)
{
ESCCState *serial = opaque;
ChannelState *s;
ESCCChannelState *s;
uint32_t saddr;
int newreg, channel;
@ -561,7 +515,7 @@ static void escc_mem_write(void *opaque, hwaddr addr,
/* XXX this blocks entire thread. Rewrite to use
* qemu_chr_fe_write and background I/O callbacks */
qemu_chr_fe_write_all(&s->chr, &s->tx, 1);
} else if (s->type == kbd && !s->disabled) {
} else if (s->type == escc_kbd && !s->disabled) {
handle_kbd_command(s, val);
}
}
@ -578,7 +532,7 @@ static uint64_t escc_mem_read(void *opaque, hwaddr addr,
unsigned size)
{
ESCCState *serial = opaque;
ChannelState *s;
ESCCChannelState *s;
uint32_t saddr;
uint32_t ret;
int channel;
@ -595,10 +549,11 @@ static uint64_t escc_mem_read(void *opaque, hwaddr addr,
case SERIAL_DATA:
s->rregs[R_STATUS] &= ~STATUS_RXAV;
clr_rxint(s);
if (s->type == kbd || s->type == mouse)
if (s->type == escc_kbd || s->type == escc_mouse) {
ret = get_queue(s);
else
} else {
ret = s->rx;
}
trace_escc_mem_readb_data(CHN_C(s), ret);
qemu_chr_fe_accept_input(&s->chr);
return ret;
@ -620,7 +575,7 @@ static const MemoryRegionOps escc_mem_ops = {
static int serial_can_receive(void *opaque)
{
ChannelState *s = opaque;
ESCCChannelState *s = opaque;
int ret;
if (((s->wregs[W_RXCTRL] & RXCTRL_RXEN) == 0) // Rx not enabled
@ -632,7 +587,7 @@ static int serial_can_receive(void *opaque)
return ret;
}
static void serial_receive_byte(ChannelState *s, int ch)
static void serial_receive_byte(ESCCChannelState *s, int ch)
{
trace_escc_serial_receive_byte(CHN_C(s), ch);
s->rregs[R_STATUS] |= STATUS_RXAV;
@ -640,7 +595,7 @@ static void serial_receive_byte(ChannelState *s, int ch)
set_rxint(s);
}
static void serial_receive_break(ChannelState *s)
static void serial_receive_break(ESCCChannelState *s)
{
s->rregs[R_STATUS] |= STATUS_BRK;
escc_update_irq(s);
@ -648,13 +603,13 @@ static void serial_receive_break(ChannelState *s)
static void serial_receive1(void *opaque, const uint8_t *buf, int size)
{
ChannelState *s = opaque;
ESCCChannelState *s = opaque;
serial_receive_byte(s, buf[0]);
}
static void serial_event(void *opaque, int event)
{
ChannelState *s = opaque;
ESCCChannelState *s = opaque;
if (event == CHR_EVENT_BREAK)
serial_receive_break(s);
}
@ -664,16 +619,16 @@ static const VMStateDescription vmstate_escc_chn = {
.version_id = 2,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_UINT32(vmstate_dummy, ChannelState),
VMSTATE_UINT32(reg, ChannelState),
VMSTATE_UINT32(rxint, ChannelState),
VMSTATE_UINT32(txint, ChannelState),
VMSTATE_UINT32(rxint_under_svc, ChannelState),
VMSTATE_UINT32(txint_under_svc, ChannelState),
VMSTATE_UINT8(rx, ChannelState),
VMSTATE_UINT8(tx, ChannelState),
VMSTATE_BUFFER(wregs, ChannelState),
VMSTATE_BUFFER(rregs, ChannelState),
VMSTATE_UINT32(vmstate_dummy, ESCCChannelState),
VMSTATE_UINT32(reg, ESCCChannelState),
VMSTATE_UINT32(rxint, ESCCChannelState),
VMSTATE_UINT32(txint, ESCCChannelState),
VMSTATE_UINT32(rxint_under_svc, ESCCChannelState),
VMSTATE_UINT32(txint_under_svc, ESCCChannelState),
VMSTATE_UINT8(rx, ESCCChannelState),
VMSTATE_UINT8(tx, ESCCChannelState),
VMSTATE_BUFFER(wregs, ESCCChannelState),
VMSTATE_BUFFER(rregs, ESCCChannelState),
VMSTATE_END_OF_LIST()
}
};
@ -684,44 +639,15 @@ static const VMStateDescription vmstate_escc = {
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_STRUCT_ARRAY(chn, ESCCState, 2, 2, vmstate_escc_chn,
ChannelState),
ESCCChannelState),
VMSTATE_END_OF_LIST()
}
};
MemoryRegion *escc_init(hwaddr base, qemu_irq irqA, qemu_irq irqB,
Chardev *chrA, Chardev *chrB,
int clock, int it_shift)
{
DeviceState *dev;
SysBusDevice *s;
ESCCState *d;
dev = qdev_create(NULL, TYPE_ESCC);
qdev_prop_set_uint32(dev, "disabled", 0);
qdev_prop_set_uint32(dev, "frequency", clock);
qdev_prop_set_uint32(dev, "it_shift", it_shift);
qdev_prop_set_chr(dev, "chrB", chrB);
qdev_prop_set_chr(dev, "chrA", chrA);
qdev_prop_set_uint32(dev, "chnBtype", ser);
qdev_prop_set_uint32(dev, "chnAtype", ser);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_connect_irq(s, 0, irqB);
sysbus_connect_irq(s, 1, irqA);
if (base) {
sysbus_mmio_map(s, 0, base);
}
d = ESCC(s);
return &d->mmio;
}
static void sunkbd_handle_event(DeviceState *dev, QemuConsole *src,
InputEvent *evt)
{
ChannelState *s = (ChannelState *)dev;
ESCCChannelState *s = (ESCCChannelState *)dev;
int qcode, keycode;
InputKeyEvent *key;
@ -777,7 +703,7 @@ static QemuInputHandler sunkbd_handler = {
.event = sunkbd_handle_event,
};
static void handle_kbd_command(ChannelState *s, int val)
static void handle_kbd_command(ESCCChannelState *s, int val)
{
trace_escc_kbd_command(val);
if (s->led_mode) { // Ignore led byte
@ -808,7 +734,7 @@ static void handle_kbd_command(ChannelState *s, int val)
static void sunmouse_event(void *opaque,
int dx, int dy, int dz, int buttons_state)
{
ChannelState *s = opaque;
ESCCChannelState *s = opaque;
int ch;
trace_escc_sunmouse_event(dx, dy, buttons_state);
@ -847,27 +773,6 @@ static void sunmouse_event(void *opaque,
put_queue(s, 0);
}
void slavio_serial_ms_kbd_init(hwaddr base, qemu_irq irq,
int disabled, int clock, int it_shift)
{
DeviceState *dev;
SysBusDevice *s;
dev = qdev_create(NULL, TYPE_ESCC);
qdev_prop_set_uint32(dev, "disabled", disabled);
qdev_prop_set_uint32(dev, "frequency", clock);
qdev_prop_set_uint32(dev, "it_shift", it_shift);
qdev_prop_set_chr(dev, "chrB", NULL);
qdev_prop_set_chr(dev, "chrA", NULL);
qdev_prop_set_uint32(dev, "chnBtype", mouse);
qdev_prop_set_uint32(dev, "chnAtype", kbd);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_connect_irq(s, 0, irq);
sysbus_connect_irq(s, 1, irq);
sysbus_mmio_map(s, 0, base);
}
static void escc_init1(Object *obj)
{
ESCCState *s = ESCC(obj);
@ -904,11 +809,11 @@ static void escc_realize(DeviceState *dev, Error **errp)
}
}
if (s->chn[0].type == mouse) {
if (s->chn[0].type == escc_mouse) {
qemu_add_mouse_event_handler(sunmouse_event, &s->chn[0], 0,
"QEMU Sun Mouse");
}
if (s->chn[1].type == kbd) {
if (s->chn[1].type == escc_kbd) {
s->chn[1].hs = qemu_input_handler_register((DeviceState *)(&s->chn[1]),
&sunkbd_handler);
}

19
hw/ppc/mac_newworld.c
View File

@ -369,8 +369,23 @@ static void ppc_core99_init(MachineState *machine)
}
/* init basic PC hardware */
escc_mem = escc_init(0, pic[0x25], pic[0x24],
serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
dev = qdev_create(NULL, TYPE_ESCC);
qdev_prop_set_uint32(dev, "disabled", 0);
qdev_prop_set_uint32(dev, "frequency", ESCC_CLOCK);
qdev_prop_set_uint32(dev, "it_shift", 4);
qdev_prop_set_chr(dev, "chrA", serial_hds[0]);
qdev_prop_set_chr(dev, "chrB", serial_hds[1]);
qdev_prop_set_uint32(dev, "chnAtype", escc_serial);
qdev_prop_set_uint32(dev, "chnBtype", escc_serial);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_connect_irq(s, 0, pic[0x24]);
sysbus_connect_irq(s, 1, pic[0x25]);
escc_mem = &ESCC(s)->mmio;
memory_region_init_alias(escc_bar, NULL, "escc-bar",
escc_mem, 0, memory_region_size(escc_mem));

19
hw/ppc/mac_oldworld.c
View File

@ -104,6 +104,7 @@ static void ppc_heathrow_init(MachineState *machine)
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
void *fw_cfg;
uint64_t tbfreq;
SysBusDevice *s;
linux_boot = (kernel_filename != NULL);
@ -264,8 +265,22 @@ static void ppc_heathrow_init(MachineState *machine)
get_system_io());
pci_vga_init(pci_bus);
escc_mem = escc_init(0, pic[0x0f], pic[0x10], serial_hds[0],
serial_hds[1], ESCC_CLOCK, 4);
dev = qdev_create(NULL, TYPE_ESCC);
qdev_prop_set_uint32(dev, "disabled", 0);
qdev_prop_set_uint32(dev, "frequency", ESCC_CLOCK);
qdev_prop_set_uint32(dev, "it_shift", 4);
qdev_prop_set_chr(dev, "chrA", serial_hds[0]);
qdev_prop_set_chr(dev, "chrB", serial_hds[1]);
qdev_prop_set_uint32(dev, "chnBtype", escc_serial);
qdev_prop_set_uint32(dev, "chnAtype", escc_serial);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_connect_irq(s, 0, pic[0x10]);
sysbus_connect_irq(s, 1, pic[0x0f]);
escc_mem = &ESCC(s)->mmio;
memory_region_init_alias(escc_bar, NULL, "escc-bar",
escc_mem, 0, memory_region_size(escc_mem));

34
hw/sparc/sun4m.c
View File

@ -818,6 +818,8 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
DriveInfo *fd[MAX_FD];
FWCfgState *fw_cfg;
unsigned int num_vsimms;
DeviceState *dev;
SysBusDevice *s;
/* init CPUs */
for(i = 0; i < smp_cpus; i++) {
@ -925,12 +927,36 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
slavio_timer_init_all(hwdef->counter_base, slavio_irq[19], slavio_cpu_irq, smp_cpus);
slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[14],
!machine->enable_graphics, ESCC_CLOCK, 1);
/* Slavio TTYA (base+4, Linux ttyS0) is the first QEMU serial device
Slavio TTYB (base+0, Linux ttyS1) is the second QEMU serial device */
escc_init(hwdef->serial_base, slavio_irq[15], slavio_irq[15],
serial_hds[0], serial_hds[1], ESCC_CLOCK, 1);
dev = qdev_create(NULL, TYPE_ESCC);
qdev_prop_set_uint32(dev, "disabled", !machine->enable_graphics);
qdev_prop_set_uint32(dev, "frequency", ESCC_CLOCK);
qdev_prop_set_uint32(dev, "it_shift", 1);
qdev_prop_set_chr(dev, "chrB", NULL);
qdev_prop_set_chr(dev, "chrA", NULL);
qdev_prop_set_uint32(dev, "chnBtype", escc_mouse);
qdev_prop_set_uint32(dev, "chnAtype", escc_kbd);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_connect_irq(s, 0, slavio_irq[14]);
sysbus_connect_irq(s, 1, slavio_irq[14]);
sysbus_mmio_map(s, 0, hwdef->ms_kb_base);
dev = qdev_create(NULL, TYPE_ESCC);
qdev_prop_set_uint32(dev, "disabled", 0);
qdev_prop_set_uint32(dev, "frequency", ESCC_CLOCK);
qdev_prop_set_uint32(dev, "it_shift", 1);
qdev_prop_set_chr(dev, "chrB", serial_hds[1]);
qdev_prop_set_chr(dev, "chrA", serial_hds[0]);
qdev_prop_set_uint32(dev, "chnBtype", escc_serial);
qdev_prop_set_uint32(dev, "chnAtype", escc_serial);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_connect_irq(s, 0, slavio_irq[15]);
sysbus_connect_irq(s, 1, slavio_irq[15]);
sysbus_mmio_map(s, 0, hwdef->serial_base);
if (hwdef->apc_base) {
apc_init(hwdef->apc_base, qemu_allocate_irq(cpu_halt_signal, NULL, 0));

54
include/hw/char/escc.h
View File

@ -1,14 +1,58 @@
#ifndef HW_ESCC_H
#define HW_ESCC_H
#include "chardev/char-fe.h"
#include "chardev/char-serial.h"
#include "ui/input.h"
/* escc.c */
#define TYPE_ESCC "escc"
#define ESCC_SIZE 4
MemoryRegion *escc_init(hwaddr base, qemu_irq irqA, qemu_irq irqB,
Chardev *chrA, Chardev *chrB,
int clock, int it_shift);
void slavio_serial_ms_kbd_init(hwaddr base, qemu_irq irq,
int disabled, int clock, int it_shift);
#define ESCC(obj) OBJECT_CHECK(ESCCState, (obj), TYPE_ESCC)
typedef enum {
escc_chn_a, escc_chn_b,
} ESCCChnID;
typedef enum {
escc_serial, escc_kbd, escc_mouse,
} ESCCChnType;
#define ESCC_SERIO_QUEUE_SIZE 256
typedef struct {
uint8_t data[ESCC_SERIO_QUEUE_SIZE];
int rptr, wptr, count;
} ESCCSERIOQueue;
#define ESCC_SERIAL_REGS 16
typedef struct ESCCChannelState {
qemu_irq irq;
uint32_t rxint, txint, rxint_under_svc, txint_under_svc;
struct ESCCChannelState *otherchn;
uint32_t reg;
uint8_t wregs[ESCC_SERIAL_REGS], rregs[ESCC_SERIAL_REGS];
ESCCSERIOQueue queue;
CharBackend chr;
int e0_mode, led_mode, caps_lock_mode, num_lock_mode;
int disabled;
int clock;
uint32_t vmstate_dummy;
ESCCChnID chn; /* this channel, A (base+4) or B (base+0) */
ESCCChnType type;
uint8_t rx, tx;
QemuInputHandlerState *hs;
} ESCCChannelState;
typedef struct ESCCState {
SysBusDevice parent_obj;
struct ESCCChannelState chn[2];
uint32_t it_shift;
MemoryRegion mmio;
uint32_t disabled;
uint32_t frequency;
} ESCCState;
#endif