[qemu.git] / hw / intc / grlib_irqmp.c

/*
 * QEMU GRLIB IRQMP Emulator
 *
 * (Multiprocessor and extended interrupt not supported)
 *
 * Copyright (c) 2010-2011 AdaCore
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "qemu/osdep.h"
#include "hw/sysbus.h"
#include "cpu.h"

#include "hw/sparc/grlib.h"

#include "trace.h"
#include "qapi/error.h"

#define IRQMP_MAX_CPU 16
#define IRQMP_REG_SIZE 256      /* Size of memory mapped registers */

/* Memory mapped register offsets */
#define LEVEL_OFFSET     0x00
#define PENDING_OFFSET   0x04
#define FORCE0_OFFSET    0x08
#define CLEAR_OFFSET     0x0C
#define MP_STATUS_OFFSET 0x10
#define BROADCAST_OFFSET 0x14
#define MASK_OFFSET      0x40
#define FORCE_OFFSET     0x80
#define EXTENDED_OFFSET  0xC0

#define TYPE_GRLIB_IRQMP "grlib,irqmp"
#define GRLIB_IRQMP(obj) OBJECT_CHECK(IRQMP, (obj), TYPE_GRLIB_IRQMP)

typedef struct IRQMPState IRQMPState;

typedef struct IRQMP {
    SysBusDevice parent_obj;

    MemoryRegion iomem;

    void *set_pil_in;
    void *set_pil_in_opaque;

    IRQMPState *state;
} IRQMP;

struct IRQMPState {
    uint32_t level;
    uint32_t pending;
    uint32_t clear;
    uint32_t broadcast;

    uint32_t mask[IRQMP_MAX_CPU];
    uint32_t force[IRQMP_MAX_CPU];
    uint32_t extended[IRQMP_MAX_CPU];

    IRQMP    *parent;
};

static void grlib_irqmp_check_irqs(IRQMPState *state)
{
    uint32_t      pend   = 0;
    uint32_t      level0 = 0;
    uint32_t      level1 = 0;
    set_pil_in_fn set_pil_in;

    assert(state != NULL);
    assert(state->parent != NULL);

    /* IRQ for CPU 0 (no SMP support) */
    pend = (state->pending | state->force[0])
        & state->mask[0];

    level0 = pend & ~state->level;
    level1 = pend &  state->level;

    trace_grlib_irqmp_check_irqs(state->pending, state->force[0],
                                 state->mask[0], level1, level0);

    set_pil_in = (set_pil_in_fn)state->parent->set_pil_in;

    /* Trigger level1 interrupt first and level0 if there is no level1 */
    if (level1 != 0) {
        set_pil_in(state->parent->set_pil_in_opaque, level1);
    } else {
        set_pil_in(state->parent->set_pil_in_opaque, level0);
    }
}

static void grlib_irqmp_ack_mask(IRQMPState *state, uint32_t mask)
{
    /* Clear registers */
    state->pending  &= ~mask;
    state->force[0] &= ~mask; /* Only CPU 0 (No SMP support) */

    grlib_irqmp_check_irqs(state);
}

void grlib_irqmp_ack(DeviceState *dev, int intno)
{
    IRQMP        *irqmp = GRLIB_IRQMP(dev);
    IRQMPState   *state;
    uint32_t      mask;

    state = irqmp->state;
    assert(state != NULL);

    intno &= 15;
    mask = 1 << intno;

    trace_grlib_irqmp_ack(intno);

    grlib_irqmp_ack_mask(state, mask);
}

void grlib_irqmp_set_irq(void *opaque, int irq, int level)
{
    IRQMP      *irqmp = GRLIB_IRQMP(opaque);
    IRQMPState *s;
    int         i = 0;

    s = irqmp->state;
    assert(s         != NULL);
    assert(s->parent != NULL);


    if (level) {
        trace_grlib_irqmp_set_irq(irq);

        if (s->broadcast & 1 << irq) {
            /* Broadcasted IRQ */
            for (i = 0; i < IRQMP_MAX_CPU; i++) {
                s->force[i] |= 1 << irq;
            }
        } else {
            s->pending |= 1 << irq;
        }
        grlib_irqmp_check_irqs(s);

    }
}

static uint64_t grlib_irqmp_read(void *opaque, hwaddr addr,
                                 unsigned size)
{
    IRQMP      *irqmp = opaque;
    IRQMPState *state;

    assert(irqmp != NULL);
    state = irqmp->state;
    assert(state != NULL);

    addr &= 0xff;

    /* global registers */
    switch (addr) {
    case LEVEL_OFFSET:
        return state->level;

    case PENDING_OFFSET:
        return state->pending;

    case FORCE0_OFFSET:
        /* This register is an "alias" for the force register of CPU 0 */
        return state->force[0];

    case CLEAR_OFFSET:
    case MP_STATUS_OFFSET:
        /* Always read as 0 */
        return 0;

    case BROADCAST_OFFSET:
        return state->broadcast;

    default:
        break;
    }

    /* mask registers */
    if (addr >= MASK_OFFSET && addr < FORCE_OFFSET) {
        int cpu = (addr - MASK_OFFSET) / 4;
        assert(cpu >= 0 && cpu < IRQMP_MAX_CPU);

        return state->mask[cpu];
    }

    /* force registers */
    if (addr >= FORCE_OFFSET && addr < EXTENDED_OFFSET) {
        int cpu = (addr - FORCE_OFFSET) / 4;
        assert(cpu >= 0 && cpu < IRQMP_MAX_CPU);

        return state->force[cpu];
    }

    /* extended (not supported) */
    if (addr >= EXTENDED_OFFSET && addr < IRQMP_REG_SIZE) {
        int cpu = (addr - EXTENDED_OFFSET) / 4;
        assert(cpu >= 0 && cpu < IRQMP_MAX_CPU);

        return state->extended[cpu];
    }

    trace_grlib_irqmp_readl_unknown(addr);
    return 0;
}

static void grlib_irqmp_write(void *opaque, hwaddr addr,
                              uint64_t value, unsigned size)
{
    IRQMP      *irqmp = opaque;
    IRQMPState *state;

    assert(irqmp != NULL);
    state = irqmp->state;
    assert(state != NULL);

    addr &= 0xff;

    /* global registers */
    switch (addr) {
    case LEVEL_OFFSET:
        value &= 0xFFFF << 1; /* clean up the value */
        state->level = value;
        return;

    case PENDING_OFFSET:
        /* Read Only */
        return;

    case FORCE0_OFFSET:
        /* This register is an "alias" for the force register of CPU 0 */

        value &= 0xFFFE; /* clean up the value */
        state->force[0] = value;
        grlib_irqmp_check_irqs(irqmp->state);
        return;

    case CLEAR_OFFSET:
        value &= ~1; /* clean up the value */
        grlib_irqmp_ack_mask(state, value);
        return;

    case MP_STATUS_OFFSET:
        /* Read Only (no SMP support) */
        return;

    case BROADCAST_OFFSET:
        value &= 0xFFFE; /* clean up the value */
        state->broadcast = value;
        return;

    default:
        break;
    }

    /* mask registers */
    if (addr >= MASK_OFFSET && addr < FORCE_OFFSET) {
        int cpu = (addr - MASK_OFFSET) / 4;
        assert(cpu >= 0 && cpu < IRQMP_MAX_CPU);

        value &= ~1; /* clean up the value */
        state->mask[cpu] = value;
        grlib_irqmp_check_irqs(irqmp->state);
        return;
    }

    /* force registers */
    if (addr >= FORCE_OFFSET && addr < EXTENDED_OFFSET) {
        int cpu = (addr - FORCE_OFFSET) / 4;
        assert(cpu >= 0 && cpu < IRQMP_MAX_CPU);

        uint32_t force = value & 0xFFFE;
        uint32_t clear = (value >> 16) & 0xFFFE;
        uint32_t old   = state->force[cpu];

        state->force[cpu] = (old | force) & ~clear;
        grlib_irqmp_check_irqs(irqmp->state);
        return;
    }

    /* extended (not supported) */
    if (addr >= EXTENDED_OFFSET && addr < IRQMP_REG_SIZE) {
        int cpu = (addr - EXTENDED_OFFSET) / 4;
        assert(cpu >= 0 && cpu < IRQMP_MAX_CPU);

        value &= 0xF; /* clean up the value */
        state->extended[cpu] = value;
        return;
    }

    trace_grlib_irqmp_writel_unknown(addr, value);
}

static const MemoryRegionOps grlib_irqmp_ops = {
    .read = grlib_irqmp_read,
    .write = grlib_irqmp_write,
    .endianness = DEVICE_NATIVE_ENDIAN,
    .valid = {
        .min_access_size = 4,
        .max_access_size = 4,
    },
};

static void grlib_irqmp_reset(DeviceState *d)
{
    IRQMP *irqmp = GRLIB_IRQMP(d);
    assert(irqmp->state != NULL);

    memset(irqmp->state, 0, sizeof *irqmp->state);
    irqmp->state->parent = irqmp;
}

static void grlib_irqmp_init(Object *obj)
{
    IRQMP *irqmp = GRLIB_IRQMP(obj);
    SysBusDevice *dev = SYS_BUS_DEVICE(obj);

    memory_region_init_io(&irqmp->iomem, obj, &grlib_irqmp_ops, irqmp,
                          "irqmp", IRQMP_REG_SIZE);

    irqmp->state = g_malloc0(sizeof *irqmp->state);

    sysbus_init_mmio(dev, &irqmp->iomem);
}

static void grlib_irqmp_realize(DeviceState *dev, Error **errp)
{
    IRQMP *irqmp = GRLIB_IRQMP(dev);

        /* Check parameters */
    if (irqmp->set_pil_in == NULL) {
        error_setg(errp, "set_pil_in cannot be NULL.");
    }
}

static Property grlib_irqmp_properties[] = {
    DEFINE_PROP_PTR("set_pil_in", IRQMP, set_pil_in),
    DEFINE_PROP_PTR("set_pil_in_opaque", IRQMP, set_pil_in_opaque),
    DEFINE_PROP_END_OF_LIST(),
};

static void grlib_irqmp_class_init(ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS(klass);

    dc->reset = grlib_irqmp_reset;
    dc->props = grlib_irqmp_properties;
    /* Reason: pointer properties "set_pil_in", "set_pil_in_opaque" */
    dc->user_creatable = false;
    dc->realize = grlib_irqmp_realize;
}

static const TypeInfo grlib_irqmp_info = {
    .name          = TYPE_GRLIB_IRQMP,
    .parent        = TYPE_SYS_BUS_DEVICE,
    .instance_size = sizeof(IRQMP),
    .instance_init = grlib_irqmp_init,
    .class_init    = grlib_irqmp_class_init,
};

static void grlib_irqmp_register_types(void)
{
    type_register_static(&grlib_irqmp_info);
}

type_init(grlib_irqmp_register_types)
Commit	Line	Data
3f10bcbb FC	1	/*
	2	* QEMU GRLIB IRQMP Emulator
	3	*
	4	* (Multiprocessor and extended interrupt not supported)
	5	*
	6	* Copyright (c) 2010-2011 AdaCore
	7	*
	8	* Permission is hereby granted, free of charge, to any person obtaining a copy
	9	* of this software and associated documentation files (the "Software"), to deal
	10	* in the Software without restriction, including without limitation the rights
	11	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	12	* copies of the Software, and to permit persons to whom the Software is
	13	* furnished to do so, subject to the following conditions:
	14	*
	15	* The above copyright notice and this permission notice shall be included in
	16	* all copies or substantial portions of the Software.
	17	*
	18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	20	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	21	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	22	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	23	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	24	* THE SOFTWARE.
	25	*/
	26
db5ebe5f	27	#include "qemu/osdep.h"
83c9f4ca	28	#include "hw/sysbus.h"
3f10bcbb FC	29	#include "cpu.h"
3f10bcbb FC	30
0d09e41a	31	#include "hw/sparc/grlib.h"
3f10bcbb FC	32
3f10bcbb FC	33	#include "trace.h"
22c70d8a	34	#include "qapi/error.h"
3f10bcbb FC	35
	36	#define IRQMP_MAX_CPU 16
	37	#define IRQMP_REG_SIZE 256 /* Size of memory mapped registers */
	38
	39	/* Memory mapped register offsets */
	40	#define LEVEL_OFFSET 0x00
	41	#define PENDING_OFFSET 0x04
	42	#define FORCE0_OFFSET 0x08
	43	#define CLEAR_OFFSET 0x0C
	44	#define MP_STATUS_OFFSET 0x10
	45	#define BROADCAST_OFFSET 0x14
	46	#define MASK_OFFSET 0x40
	47	#define FORCE_OFFSET 0x80
	48	#define EXTENDED_OFFSET 0xC0
	49
730bf932 AF	50	#define TYPE_GRLIB_IRQMP "grlib,irqmp"
	51	#define GRLIB_IRQMP(obj) OBJECT_CHECK(IRQMP, (obj), TYPE_GRLIB_IRQMP)
	52
3f10bcbb FC	53	typedef struct IRQMPState IRQMPState;
	54
	55	typedef struct IRQMP {
730bf932 AF	56	SysBusDevice parent_obj;
730bf932 AF	57
847b52c1	58	MemoryRegion iomem;
3f10bcbb FC	59
	60	void *set_pil_in;
	61	void *set_pil_in_opaque;
	62
	63	IRQMPState *state;
	64	} IRQMP;
	65
	66	struct IRQMPState {
	67	uint32_t level;
	68	uint32_t pending;
	69	uint32_t clear;
	70	uint32_t broadcast;
	71
	72	uint32_t mask[IRQMP_MAX_CPU];
	73	uint32_t force[IRQMP_MAX_CPU];
	74	uint32_t extended[IRQMP_MAX_CPU];
	75
	76	IRQMP *parent;
	77	};
	78
	79	static void grlib_irqmp_check_irqs(IRQMPState *state)
	80	{
	81	uint32_t pend = 0;
	82	uint32_t level0 = 0;
	83	uint32_t level1 = 0;
	84	set_pil_in_fn set_pil_in;
	85
	86	assert(state != NULL);
	87	assert(state->parent != NULL);
	88
	89	/* IRQ for CPU 0 (no SMP support) */
	90	pend = (state->pending \| state->force[0])
	91	& state->mask[0];
	92
	93	level0 = pend & ~state->level;
	94	level1 = pend & state->level;
	95
	96	trace_grlib_irqmp_check_irqs(state->pending, state->force[0],
	97	state->mask[0], level1, level0);
	98
	99	set_pil_in = (set_pil_in_fn)state->parent->set_pil_in;
	100
	101	/* Trigger level1 interrupt first and level0 if there is no level1 */
	102	if (level1 != 0) {
	103	set_pil_in(state->parent->set_pil_in_opaque, level1);
	104	} else {
	105	set_pil_in(state->parent->set_pil_in_opaque, level0);
	106	}
	107	}
	108
05b9ec96 JCD	109	static void grlib_irqmp_ack_mask(IRQMPState *state, uint32_t mask)
	110	{
	111	/* Clear registers */
	112	state->pending &= ~mask;
	113	state->force[0] &= ~mask; /* Only CPU 0 (No SMP support) */
	114
	115	grlib_irqmp_check_irqs(state);
	116	}
	117
3f10bcbb FC	118	void grlib_irqmp_ack(DeviceState *dev, int intno)
3f10bcbb FC	119	{
730bf932	120	IRQMP *irqmp = GRLIB_IRQMP(dev);
3f10bcbb FC	121	IRQMPState *state;
	122	uint32_t mask;
	123
3f10bcbb FC	124	state = irqmp->state;
	125	assert(state != NULL);
	126
	127	intno &= 15;
	128	mask = 1 << intno;
	129
	130	trace_grlib_irqmp_ack(intno);
	131
05b9ec96	132	grlib_irqmp_ack_mask(state, mask);
3f10bcbb FC	133	}
	134
	135	void grlib_irqmp_set_irq(void *opaque, int irq, int level)
	136	{
730bf932	137	IRQMP *irqmp = GRLIB_IRQMP(opaque);
3f10bcbb FC	138	IRQMPState *s;
	139	int i = 0;
	140
3f10bcbb FC	141	s = irqmp->state;
	142	assert(s != NULL);
	143	assert(s->parent != NULL);
	144
	145
	146	if (level) {
	147	trace_grlib_irqmp_set_irq(irq);
	148
	149	if (s->broadcast & 1 << irq) {
	150	/* Broadcasted IRQ */
	151	for (i = 0; i < IRQMP_MAX_CPU; i++) {
	152	s->force[i] \|= 1 << irq;
	153	}
	154	} else {
	155	s->pending \|= 1 << irq;
	156	}
	157	grlib_irqmp_check_irqs(s);
	158
	159	}
	160	}
	161
a8170e5e	162	static uint64_t grlib_irqmp_read(void *opaque, hwaddr addr,
847b52c1	163	unsigned size)
3f10bcbb FC	164	{
	165	IRQMP *irqmp = opaque;
	166	IRQMPState *state;
	167
	168	assert(irqmp != NULL);
	169	state = irqmp->state;
	170	assert(state != NULL);
	171
	172	addr &= 0xff;
	173
	174	/* global registers */
	175	switch (addr) {
	176	case LEVEL_OFFSET:
	177	return state->level;
	178
	179	case PENDING_OFFSET:
	180	return state->pending;
	181
	182	case FORCE0_OFFSET:
	183	/* This register is an "alias" for the force register of CPU 0 */
	184	return state->force[0];
	185
	186	case CLEAR_OFFSET:
	187	case MP_STATUS_OFFSET:
	188	/* Always read as 0 */
	189	return 0;
	190
	191	case BROADCAST_OFFSET:
	192	return state->broadcast;
	193
	194	default:
	195	break;
	196	}
	197
	198	/* mask registers */
	199	if (addr >= MASK_OFFSET && addr < FORCE_OFFSET) {
	200	int cpu = (addr - MASK_OFFSET) / 4;
	201	assert(cpu >= 0 && cpu < IRQMP_MAX_CPU);
	202
	203	return state->mask[cpu];
	204	}
	205
	206	/* force registers */
	207	if (addr >= FORCE_OFFSET && addr < EXTENDED_OFFSET) {
	208	int cpu = (addr - FORCE_OFFSET) / 4;
	209	assert(cpu >= 0 && cpu < IRQMP_MAX_CPU);
	210
	211	return state->force[cpu];
	212	}
	213
	214	/* extended (not supported) */
	215	if (addr >= EXTENDED_OFFSET && addr < IRQMP_REG_SIZE) {
	216	int cpu = (addr - EXTENDED_OFFSET) / 4;
	217	assert(cpu >= 0 && cpu < IRQMP_MAX_CPU);
	218
	219	return state->extended[cpu];
	220	}
	221
b4548fcc	222	trace_grlib_irqmp_readl_unknown(addr);
3f10bcbb FC	223	return 0;
	224	}
	225
a8170e5e	226	static void grlib_irqmp_write(void *opaque, hwaddr addr,
847b52c1	227	uint64_t value, unsigned size)
3f10bcbb FC	228	{
	229	IRQMP *irqmp = opaque;
	230	IRQMPState *state;
	231
	232	assert(irqmp != NULL);
	233	state = irqmp->state;
	234	assert(state != NULL);
	235
	236	addr &= 0xff;
	237
	238	/* global registers */
	239	switch (addr) {
	240	case LEVEL_OFFSET:
	241	value &= 0xFFFF << 1; /* clean up the value */
	242	state->level = value;
	243	return;
	244
	245	case PENDING_OFFSET:
	246	/* Read Only */
	247	return;
	248
	249	case FORCE0_OFFSET:
	250	/* This register is an "alias" for the force register of CPU 0 */
	251
	252	value &= 0xFFFE; /* clean up the value */
	253	state->force[0] = value;
	254	grlib_irqmp_check_irqs(irqmp->state);
	255	return;
	256
	257	case CLEAR_OFFSET:
	258	value &= ~1; /* clean up the value */
05b9ec96	259	grlib_irqmp_ack_mask(state, value);
3f10bcbb FC	260	return;
	261
	262	case MP_STATUS_OFFSET:
	263	/* Read Only (no SMP support) */
	264	return;
	265
	266	case BROADCAST_OFFSET:
	267	value &= 0xFFFE; /* clean up the value */
	268	state->broadcast = value;
	269	return;
	270
	271	default:
	272	break;
	273	}
	274
	275	/* mask registers */
	276	if (addr >= MASK_OFFSET && addr < FORCE_OFFSET) {
	277	int cpu = (addr - MASK_OFFSET) / 4;
	278	assert(cpu >= 0 && cpu < IRQMP_MAX_CPU);
	279
	280	value &= ~1; /* clean up the value */
	281	state->mask[cpu] = value;
	282	grlib_irqmp_check_irqs(irqmp->state);
	283	return;
	284	}
	285
	286	/* force registers */
	287	if (addr >= FORCE_OFFSET && addr < EXTENDED_OFFSET) {
	288	int cpu = (addr - FORCE_OFFSET) / 4;
	289	assert(cpu >= 0 && cpu < IRQMP_MAX_CPU);
	290
	291	uint32_t force = value & 0xFFFE;
	292	uint32_t clear = (value >> 16) & 0xFFFE;
	293	uint32_t old = state->force[cpu];
	294
	295	state->force[cpu] = (old \| force) & ~clear;
	296	grlib_irqmp_check_irqs(irqmp->state);
	297	return;
	298	}
	299
	300	/* extended (not supported) */
	301	if (addr >= EXTENDED_OFFSET && addr < IRQMP_REG_SIZE) {
	302	int cpu = (addr - EXTENDED_OFFSET) / 4;
	303	assert(cpu >= 0 && cpu < IRQMP_MAX_CPU);
	304
	305	value &= 0xF; /* clean up the value */
	306	state->extended[cpu] = value;
	307	return;
	308	}
	309
b4548fcc	310	trace_grlib_irqmp_writel_unknown(addr, value);
3f10bcbb FC	311	}
3f10bcbb FC	312
847b52c1 AK	313	static const MemoryRegionOps grlib_irqmp_ops = {
	314	.read = grlib_irqmp_read,
	315	.write = grlib_irqmp_write,
	316	.endianness = DEVICE_NATIVE_ENDIAN,
	317	.valid = {
	318	.min_access_size = 4,
	319	.max_access_size = 4,
	320	},
3f10bcbb FC	321	};
	322
	323	static void grlib_irqmp_reset(DeviceState *d)
	324	{
730bf932	325	IRQMP *irqmp = GRLIB_IRQMP(d);
3f10bcbb FC	326	assert(irqmp->state != NULL);
	327
	328	memset(irqmp->state, 0, sizeof *irqmp->state);
	329	irqmp->state->parent = irqmp;
	330	}
	331
22c70d8a	332	static void grlib_irqmp_init(Object *obj)
3f10bcbb	333	{
22c70d8a XZ	334	IRQMP *irqmp = GRLIB_IRQMP(obj);
22c70d8a XZ	335	SysBusDevice *dev = SYS_BUS_DEVICE(obj);
3f10bcbb	336
22c70d8a	337	memory_region_init_io(&irqmp->iomem, obj, &grlib_irqmp_ops, irqmp,
847b52c1	338	"irqmp", IRQMP_REG_SIZE);
3f10bcbb	339
7267c094	340	irqmp->state = g_malloc0(sizeof *irqmp->state);
3f10bcbb	341
750ecd44	342	sysbus_init_mmio(dev, &irqmp->iomem);
22c70d8a	343	}
3f10bcbb	344
22c70d8a XZ	345	static void grlib_irqmp_realize(DeviceState dev, Error *errp)
	346	{
	347	IRQMP *irqmp = GRLIB_IRQMP(dev);
	348
	349	/* Check parameters */
	350	if (irqmp->set_pil_in == NULL) {
	351	error_setg(errp, "set_pil_in cannot be NULL.");
	352	}
3f10bcbb FC	353	}
3f10bcbb FC	354
999e12bb AL	355	static Property grlib_irqmp_properties[] = {
	356	DEFINE_PROP_PTR("set_pil_in", IRQMP, set_pil_in),
	357	DEFINE_PROP_PTR("set_pil_in_opaque", IRQMP, set_pil_in_opaque),
	358	DEFINE_PROP_END_OF_LIST(),
	359	};
	360
	361	static void grlib_irqmp_class_init(ObjectClass klass, void data)
	362	{
39bffca2	363	DeviceClass *dc = DEVICE_CLASS(klass);
999e12bb	364
39bffca2 AL	365	dc->reset = grlib_irqmp_reset;
39bffca2 AL	366	dc->props = grlib_irqmp_properties;
1b111dc1	367	/* Reason: pointer properties "set_pil_in", "set_pil_in_opaque" */
e90f2a8c	368	dc->user_creatable = false;
22c70d8a	369	dc->realize = grlib_irqmp_realize;
999e12bb AL	370	}
999e12bb AL	371
8c43a6f0	372	static const TypeInfo grlib_irqmp_info = {
730bf932	373	.name = TYPE_GRLIB_IRQMP,
39bffca2 AL	374	.parent = TYPE_SYS_BUS_DEVICE,
39bffca2 AL	375	.instance_size = sizeof(IRQMP),
22c70d8a	376	.instance_init = grlib_irqmp_init,
39bffca2	377	.class_init = grlib_irqmp_class_init,
3f10bcbb FC	378	};
3f10bcbb FC	379
83f7d43a	380	static void grlib_irqmp_register_types(void)
3f10bcbb	381	{
39bffca2	382	type_register_static(&grlib_irqmp_info);
3f10bcbb FC	383	}
3f10bcbb FC	384
83f7d43a	385	type_init(grlib_irqmp_register_types)