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Diffstat (limited to 'hw/isa/pc87312.c')
-rw-r--r--hw/isa/pc87312.c178
1 files changed, 78 insertions, 100 deletions
diff --git a/hw/isa/pc87312.c b/hw/isa/pc87312.c
index 48b29e3c3c..5cf64505fe 100644
--- a/hw/isa/pc87312.c
+++ b/hw/isa/pc87312.c
@@ -27,10 +27,6 @@
#include "hw/isa/pc87312.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
-#include "sysemu/block-backend.h"
-#include "sysemu/blockdev.h"
-#include "sysemu/sysemu.h"
-#include "chardev/char.h"
#include "trace.h"
@@ -64,22 +60,25 @@
/* Parallel port */
-static inline bool is_parallel_enabled(PC87312State *s)
+static bool is_parallel_enabled(ISASuperIODevice *sio, uint8_t index)
{
- return s->regs[REG_FER] & FER_PARALLEL_EN;
+ PC87312State *s = PC87312(sio);
+ return index ? false : s->regs[REG_FER] & FER_PARALLEL_EN;
}
-static const uint32_t parallel_base[] = { 0x378, 0x3bc, 0x278, 0x00 };
+static const uint16_t parallel_base[] = { 0x378, 0x3bc, 0x278, 0x00 };
-static inline uint32_t get_parallel_iobase(PC87312State *s)
+static uint16_t get_parallel_iobase(ISASuperIODevice *sio, uint8_t index)
{
+ PC87312State *s = PC87312(sio);
return parallel_base[s->regs[REG_FAR] & FAR_PARALLEL_ADDR];
}
-static const uint32_t parallel_irq[] = { 5, 7, 5, 0 };
+static const unsigned int parallel_irq[] = { 5, 7, 5, 0 };
-static inline uint32_t get_parallel_irq(PC87312State *s)
+static unsigned int get_parallel_irq(ISASuperIODevice *sio, uint8_t index)
{
+ PC87312State *s = PC87312(sio);
int idx;
idx = (s->regs[REG_FAR] & FAR_PARALLEL_ADDR);
if (idx == 0) {
@@ -92,13 +91,14 @@ static inline uint32_t get_parallel_irq(PC87312State *s)
/* UARTs */
-static const uint32_t uart_base[2][4] = {
+static const uint16_t uart_base[2][4] = {
{ 0x3e8, 0x338, 0x2e8, 0x220 },
{ 0x2e8, 0x238, 0x2e0, 0x228 }
};
-static inline uint32_t get_uart_iobase(PC87312State *s, int i)
+static uint16_t get_uart_iobase(ISASuperIODevice *sio, uint8_t i)
{
+ PC87312State *s = PC87312(sio);
int idx;
idx = (s->regs[REG_FAR] >> (2 * i + 2)) & 0x3;
if (idx == 0) {
@@ -110,44 +110,68 @@ static inline uint32_t get_uart_iobase(PC87312State *s, int i)
}
}
-static inline uint32_t get_uart_irq(PC87312State *s, int i)
+static unsigned int get_uart_irq(ISASuperIODevice *sio, uint8_t i)
{
+ PC87312State *s = PC87312(sio);
int idx;
idx = (s->regs[REG_FAR] >> (2 * i + 2)) & 0x3;
return (idx & 1) ? 3 : 4;
}
-static inline bool is_uart_enabled(PC87312State *s, int i)
+static bool is_uart_enabled(ISASuperIODevice *sio, uint8_t i)
{
+ PC87312State *s = PC87312(sio);
return s->regs[REG_FER] & (FER_UART1_EN << i);
}
/* Floppy controller */
-static inline bool is_fdc_enabled(PC87312State *s)
+static bool is_fdc_enabled(ISASuperIODevice *sio, uint8_t index)
{
+ PC87312State *s = PC87312(sio);
+ assert(!index);
return s->regs[REG_FER] & FER_FDC_EN;
}
-static inline uint32_t get_fdc_iobase(PC87312State *s)
+static uint16_t get_fdc_iobase(ISASuperIODevice *sio, uint8_t index)
{
+ PC87312State *s = PC87312(sio);
+ assert(!index);
return (s->regs[REG_FER] & FER_FDC_ADDR) ? 0x370 : 0x3f0;
}
+static unsigned int get_fdc_irq(ISASuperIODevice *sio, uint8_t index)
+{
+ assert(!index);
+ return 6;
+}
+
/* IDE controller */
-static inline bool is_ide_enabled(PC87312State *s)
+static bool is_ide_enabled(ISASuperIODevice *sio, uint8_t index)
{
+ PC87312State *s = PC87312(sio);
+
return s->regs[REG_FER] & FER_IDE_EN;
}
-static inline uint32_t get_ide_iobase(PC87312State *s)
+static uint16_t get_ide_iobase(ISASuperIODevice *sio, uint8_t index)
{
+ PC87312State *s = PC87312(sio);
+
+ if (index == 1) {
+ return get_ide_iobase(sio, 0) + 0x206;
+ }
return (s->regs[REG_FER] & FER_IDE_ADDR) ? 0x170 : 0x1f0;
}
+static unsigned int get_ide_irq(ISASuperIODevice *sio, uint8_t index)
+{
+ assert(index == 0);
+ return 14;
+}
static void reconfigure_devices(PC87312State *s)
{
@@ -265,90 +289,18 @@ static void pc87312_reset(DeviceState *d)
static void pc87312_realize(DeviceState *dev, Error **errp)
{
PC87312State *s;
- DeviceState *d;
ISADevice *isa;
- ISABus *bus;
- Chardev *chr;
- DriveInfo *drive;
- char name[5];
- int i;
+ Error *local_err = NULL;
s = PC87312(dev);
isa = ISA_DEVICE(dev);
- bus = isa_bus_from_device(isa);
isa_register_ioport(isa, &s->io, s->iobase);
pc87312_hard_reset(s);
- if (is_parallel_enabled(s)) {
- /* FIXME use a qdev chardev prop instead of parallel_hds[] */
- chr = parallel_hds[0];
- if (chr == NULL) {
- chr = qemu_chr_new("par0", "null");
- }
- isa = isa_create(bus, "isa-parallel");
- d = DEVICE(isa);
- qdev_prop_set_uint32(d, "index", 0);
- qdev_prop_set_uint32(d, "iobase", get_parallel_iobase(s));
- qdev_prop_set_uint32(d, "irq", get_parallel_irq(s));
- qdev_prop_set_chr(d, "chardev", chr);
- qdev_init_nofail(d);
- s->parallel.dev = isa;
- trace_pc87312_info_parallel(get_parallel_iobase(s),
- get_parallel_irq(s));
- }
-
- for (i = 0; i < 2; i++) {
- if (is_uart_enabled(s, i)) {
- /* FIXME use a qdev chardev prop instead of serial_hds[] */
- chr = serial_hds[i];
- if (chr == NULL) {
- snprintf(name, sizeof(name), "ser%d", i);
- chr = qemu_chr_new(name, "null");
- }
- isa = isa_create(bus, "isa-serial");
- d = DEVICE(isa);
- qdev_prop_set_uint32(d, "index", i);
- qdev_prop_set_uint32(d, "iobase", get_uart_iobase(s, i));
- qdev_prop_set_uint32(d, "irq", get_uart_irq(s, i));
- qdev_prop_set_chr(d, "chardev", chr);
- qdev_init_nofail(d);
- s->uart[i].dev = isa;
- trace_pc87312_info_serial(i, get_uart_iobase(s, i),
- get_uart_irq(s, i));
- }
- }
-
- if (is_fdc_enabled(s)) {
- isa = isa_create(bus, "isa-fdc");
- d = DEVICE(isa);
- qdev_prop_set_uint32(d, "iobase", get_fdc_iobase(s));
- qdev_prop_set_uint32(d, "irq", 6);
- /* FIXME use a qdev drive property instead of drive_get() */
- drive = drive_get(IF_FLOPPY, 0, 0);
- if (drive != NULL) {
- qdev_prop_set_drive(d, "driveA", blk_by_legacy_dinfo(drive),
- &error_fatal);
- }
- /* FIXME use a qdev drive property instead of drive_get() */
- drive = drive_get(IF_FLOPPY, 0, 1);
- if (drive != NULL) {
- qdev_prop_set_drive(d, "driveB", blk_by_legacy_dinfo(drive),
- &error_fatal);
- }
- qdev_init_nofail(d);
- s->fdc.dev = isa;
- trace_pc87312_info_floppy(get_fdc_iobase(s));
- }
-
- if (is_ide_enabled(s)) {
- isa = isa_create(bus, "isa-ide");
- d = DEVICE(isa);
- qdev_prop_set_uint32(d, "iobase", get_ide_iobase(s));
- qdev_prop_set_uint32(d, "iobase2", get_ide_iobase(s) + 0x206);
- qdev_prop_set_uint32(d, "irq", 14);
- qdev_init_nofail(d);
- s->ide.dev = isa;
- trace_pc87312_info_ide(get_ide_iobase(s));
+ ISA_SUPERIO_GET_CLASS(dev)->parent_realize(dev, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
}
}
@@ -373,7 +325,7 @@ static const VMStateDescription vmstate_pc87312 = {
};
static Property pc87312_properties[] = {
- DEFINE_PROP_UINT32("iobase", PC87312State, iobase, 0x398),
+ DEFINE_PROP_UINT16("iobase", PC87312State, iobase, 0x398),
DEFINE_PROP_UINT8("config", PC87312State, config, 1),
DEFINE_PROP_END_OF_LIST()
};
@@ -381,21 +333,47 @@ static Property pc87312_properties[] = {
static void pc87312_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
+ ISASuperIOClass *sc = ISA_SUPERIO_CLASS(klass);
+ sc->parent_realize = dc->realize;
dc->realize = pc87312_realize;
dc->reset = pc87312_reset;
dc->vmsd = &vmstate_pc87312;
dc->props = pc87312_properties;
- /* Reason: Uses parallel_hds[0] in realize(), so it can't be used twice */
- dc->user_creatable = false;
+
+ sc->parallel = (ISASuperIOFuncs){
+ .count = 1,
+ .is_enabled = is_parallel_enabled,
+ .get_iobase = get_parallel_iobase,
+ .get_irq = get_parallel_irq,
+ };
+ sc->serial = (ISASuperIOFuncs){
+ .count = 2,
+ .is_enabled = is_uart_enabled,
+ .get_iobase = get_uart_iobase,
+ .get_irq = get_uart_irq,
+ };
+ sc->floppy = (ISASuperIOFuncs){
+ .count = 1,
+ .is_enabled = is_fdc_enabled,
+ .get_iobase = get_fdc_iobase,
+ .get_irq = get_fdc_irq,
+ };
+ sc->ide = (ISASuperIOFuncs){
+ .count = 1,
+ .is_enabled = is_ide_enabled,
+ .get_iobase = get_ide_iobase,
+ .get_irq = get_ide_irq,
+ };
}
static const TypeInfo pc87312_type_info = {
- .name = TYPE_PC87312,
- .parent = TYPE_ISA_DEVICE,
+ .name = TYPE_PC87312_SUPERIO,
+ .parent = TYPE_ISA_SUPERIO,
.instance_size = sizeof(PC87312State),
.instance_init = pc87312_initfn,
.class_init = pc87312_class_init,
+ /* FIXME use a qdev drive property instead of drive_get() */
};
static void pc87312_register_types(void)
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-21 08:39:08 +0000