[qemu.git] / target / s390x / machine.c

/*
 * S390x machine definitions and functions
 *
 * Copyright IBM Corp. 2014
 *
 * Authors:
 *   Thomas Huth <[email protected]>
 *   Christian Borntraeger <[email protected]>
 *   Jason J. Herne <[email protected]>
 *
 * This work is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 */

#include "qemu/osdep.h"
#include "hw/hw.h"
#include "cpu.h"
#include "internal.h"
#include "sysemu/kvm.h"

static int cpu_post_load(void *opaque, int version_id)
{
    S390CPU *cpu = opaque;

    /*
     * As the cpu state is pushed to kvm via kvm_set_mp_state rather
     * than via cpu_synchronize_state, we need update kvm here.
     */
    if (kvm_enabled()) {
        kvm_s390_set_cpu_state(cpu, cpu->env.cpu_state);
        return kvm_s390_vcpu_interrupt_post_load(cpu);
    }

    return 0;
}

static void cpu_pre_save(void *opaque)
{
    S390CPU *cpu = opaque;

    if (kvm_enabled()) {
        kvm_s390_vcpu_interrupt_pre_save(cpu);
    }
}

static inline bool fpu_needed(void *opaque)
{
    /* This looks odd, but we might want to NOT transfer fprs in the future */
    return true;
}

static const VMStateDescription vmstate_fpu = {
    .name = "cpu/fpu",
    .version_id = 1,
    .minimum_version_id = 1,
    .needed = fpu_needed,
    .fields = (VMStateField[]) {
        VMSTATE_UINT64(env.vregs[0][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[1][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[2][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[3][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[4][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[5][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[6][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[7][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[8][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[9][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[10][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[11][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[12][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[13][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[14][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[15][0].ll, S390CPU),
        VMSTATE_UINT32(env.fpc, S390CPU),
        VMSTATE_END_OF_LIST()
    }
};

static bool vregs_needed(void *opaque)
{
    return s390_has_feat(S390_FEAT_VECTOR);
}

static const VMStateDescription vmstate_vregs = {
    .name = "cpu/vregs",
    .version_id = 1,
    .minimum_version_id = 1,
    .needed = vregs_needed,
    .fields = (VMStateField[]) {
        /* vregs[0][0] -> vregs[15][0] and fregs are overlays */
        VMSTATE_UINT64(env.vregs[16][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[17][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[18][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[19][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[20][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[21][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[22][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[23][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[24][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[25][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[26][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[27][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[28][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[29][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[30][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[31][0].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[0][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[1][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[2][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[3][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[4][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[5][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[6][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[7][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[8][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[9][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[10][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[11][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[12][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[13][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[14][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[15][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[16][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[17][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[18][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[19][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[20][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[21][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[22][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[23][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[24][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[25][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[26][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[27][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[28][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[29][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[30][1].ll, S390CPU),
        VMSTATE_UINT64(env.vregs[31][1].ll, S390CPU),
        VMSTATE_END_OF_LIST()
    }
};

static bool riccb_needed(void *opaque)
{
    return s390_has_feat(S390_FEAT_RUNTIME_INSTRUMENTATION);
}

const VMStateDescription vmstate_riccb = {
    .name = "cpu/riccb",
    .version_id = 1,
    .minimum_version_id = 1,
    .needed = riccb_needed,
    .fields = (VMStateField[]) {
        VMSTATE_UINT8_ARRAY(env.riccb, S390CPU, 64),
        VMSTATE_END_OF_LIST()
    }
};

static bool exval_needed(void *opaque)
{
    S390CPU *cpu = opaque;
    return cpu->env.ex_value != 0;
}

const VMStateDescription vmstate_exval = {
    .name = "cpu/exval",
    .version_id = 1,
    .minimum_version_id = 1,
    .needed = exval_needed,
    .fields = (VMStateField[]) {
        VMSTATE_UINT64(env.ex_value, S390CPU),
        VMSTATE_END_OF_LIST()
    }
};

static bool gscb_needed(void *opaque)
{
    return kvm_s390_get_gs();
}

const VMStateDescription vmstate_gscb = {
    .name = "cpu/gscb",
    .version_id = 1,
    .minimum_version_id = 1,
    .needed = gscb_needed,
    .fields = (VMStateField[]) {
        VMSTATE_UINT64_ARRAY(env.gscb, S390CPU, 4),
        VMSTATE_END_OF_LIST()
        }
};

const VMStateDescription vmstate_s390_cpu = {
    .name = "cpu",
    .post_load = cpu_post_load,
    .pre_save = cpu_pre_save,
    .version_id = 4,
    .minimum_version_id = 3,
    .fields      = (VMStateField[]) {
        VMSTATE_UINT64_ARRAY(env.regs, S390CPU, 16),
        VMSTATE_UINT64(env.psw.mask, S390CPU),
        VMSTATE_UINT64(env.psw.addr, S390CPU),
        VMSTATE_UINT64(env.psa, S390CPU),
        VMSTATE_UINT32(env.todpr, S390CPU),
        VMSTATE_UINT64(env.pfault_token, S390CPU),
        VMSTATE_UINT64(env.pfault_compare, S390CPU),
        VMSTATE_UINT64(env.pfault_select, S390CPU),
        VMSTATE_UINT64(env.cputm, S390CPU),
        VMSTATE_UINT64(env.ckc, S390CPU),
        VMSTATE_UINT64(env.gbea, S390CPU),
        VMSTATE_UINT64(env.pp, S390CPU),
        VMSTATE_UINT32_ARRAY(env.aregs, S390CPU, 16),
        VMSTATE_UINT64_ARRAY(env.cregs, S390CPU, 16),
        VMSTATE_UINT8(env.cpu_state, S390CPU),
        VMSTATE_UINT8(env.sigp_order, S390CPU),
        VMSTATE_UINT32_V(irqstate_saved_size, S390CPU, 4),
        VMSTATE_VBUFFER_UINT32(irqstate, S390CPU, 4, NULL,
                               irqstate_saved_size),
        VMSTATE_END_OF_LIST()
    },
    .subsections = (const VMStateDescription*[]) {
        &vmstate_fpu,
        &vmstate_vregs,
        &vmstate_riccb,
        &vmstate_exval,
        &vmstate_gscb,
        NULL
    },
};
Commit	Line	Data
ef1df130 TH	1	/*
	2	* S390x machine definitions and functions
	3	*
	4	* Copyright IBM Corp. 2014
	5	*
	6	* Authors:
	7	* Thomas Huth <[email protected]>
	8	* Christian Borntraeger <[email protected]>
	9	* Jason J. Herne <[email protected]>
	10	*
	11	* This work is free software; you can redistribute it and/or modify
	12	* it under the terms of the GNU General Public License as published
	13	* by the Free Software Foundation; either version 2 of the License,
	14	* or (at your option) any later version.
	15	*/
	16
9615495a	17	#include "qemu/osdep.h"
ef1df130 TH	18	#include "hw/hw.h"
ef1df130 TH	19	#include "cpu.h"
4e58b838	20	#include "internal.h"
ef1df130 TH	21	#include "sysemu/kvm.h"
	22
	23	static int cpu_post_load(void *opaque, int version_id)
	24	{
	25	S390CPU *cpu = opaque;
	26
	27	/*
	28	* As the cpu state is pushed to kvm via kvm_set_mp_state rather
	29	* than via cpu_synchronize_state, we need update kvm here.
	30	*/
	31	if (kvm_enabled()) {
	32	kvm_s390_set_cpu_state(cpu, cpu->env.cpu_state);
3cda44f7	33	return kvm_s390_vcpu_interrupt_post_load(cpu);
ef1df130 TH	34	}
	35
	36	return 0;
	37	}
303c681a	38
3cda44f7 JF	39	static void cpu_pre_save(void *opaque)
	40	{
	41	S390CPU *cpu = opaque;
	42
	43	if (kvm_enabled()) {
	44	kvm_s390_vcpu_interrupt_pre_save(cpu);
	45	}
	46	}
ef1df130	47
5cd8cada JQ	48	static inline bool fpu_needed(void *opaque)
	49	{
	50	/* This looks odd, but we might want to NOT transfer fprs in the future */
	51	return true;
	52	}
	53
52c6cfb7	54	static const VMStateDescription vmstate_fpu = {
46c804de DH	55	.name = "cpu/fpu",
	56	.version_id = 1,
	57	.minimum_version_id = 1,
5cd8cada	58	.needed = fpu_needed,
46c804de	59	.fields = (VMStateField[]) {
fcb79802 EF	60	VMSTATE_UINT64(env.vregs[0][0].ll, S390CPU),
	61	VMSTATE_UINT64(env.vregs[1][0].ll, S390CPU),
	62	VMSTATE_UINT64(env.vregs[2][0].ll, S390CPU),
	63	VMSTATE_UINT64(env.vregs[3][0].ll, S390CPU),
	64	VMSTATE_UINT64(env.vregs[4][0].ll, S390CPU),
	65	VMSTATE_UINT64(env.vregs[5][0].ll, S390CPU),
	66	VMSTATE_UINT64(env.vregs[6][0].ll, S390CPU),
	67	VMSTATE_UINT64(env.vregs[7][0].ll, S390CPU),
	68	VMSTATE_UINT64(env.vregs[8][0].ll, S390CPU),
	69	VMSTATE_UINT64(env.vregs[9][0].ll, S390CPU),
	70	VMSTATE_UINT64(env.vregs[10][0].ll, S390CPU),
	71	VMSTATE_UINT64(env.vregs[11][0].ll, S390CPU),
	72	VMSTATE_UINT64(env.vregs[12][0].ll, S390CPU),
	73	VMSTATE_UINT64(env.vregs[13][0].ll, S390CPU),
	74	VMSTATE_UINT64(env.vregs[14][0].ll, S390CPU),
	75	VMSTATE_UINT64(env.vregs[15][0].ll, S390CPU),
46c804de DH	76	VMSTATE_UINT32(env.fpc, S390CPU),
	77	VMSTATE_END_OF_LIST()
	78	}
	79	};
	80
b01501db PB	81	static bool vregs_needed(void *opaque)
b01501db PB	82	{
7c72ac49	83	return s390_has_feat(S390_FEAT_VECTOR);
b01501db PB	84	}
b01501db PB	85
52c6cfb7	86	static const VMStateDescription vmstate_vregs = {
b2ac0ff5 EF	87	.name = "cpu/vregs",
	88	.version_id = 1,
	89	.minimum_version_id = 1,
5cd8cada	90	.needed = vregs_needed,
b2ac0ff5 EF	91	.fields = (VMStateField[]) {
	92	/* vregs[0][0] -> vregs[15][0] and fregs are overlays */
	93	VMSTATE_UINT64(env.vregs[16][0].ll, S390CPU),
	94	VMSTATE_UINT64(env.vregs[17][0].ll, S390CPU),
	95	VMSTATE_UINT64(env.vregs[18][0].ll, S390CPU),
	96	VMSTATE_UINT64(env.vregs[19][0].ll, S390CPU),
	97	VMSTATE_UINT64(env.vregs[20][0].ll, S390CPU),
	98	VMSTATE_UINT64(env.vregs[21][0].ll, S390CPU),
	99	VMSTATE_UINT64(env.vregs[22][0].ll, S390CPU),
	100	VMSTATE_UINT64(env.vregs[23][0].ll, S390CPU),
	101	VMSTATE_UINT64(env.vregs[24][0].ll, S390CPU),
	102	VMSTATE_UINT64(env.vregs[25][0].ll, S390CPU),
	103	VMSTATE_UINT64(env.vregs[26][0].ll, S390CPU),
	104	VMSTATE_UINT64(env.vregs[27][0].ll, S390CPU),
	105	VMSTATE_UINT64(env.vregs[28][0].ll, S390CPU),
	106	VMSTATE_UINT64(env.vregs[29][0].ll, S390CPU),
	107	VMSTATE_UINT64(env.vregs[30][0].ll, S390CPU),
	108	VMSTATE_UINT64(env.vregs[31][0].ll, S390CPU),
	109	VMSTATE_UINT64(env.vregs[0][1].ll, S390CPU),
	110	VMSTATE_UINT64(env.vregs[1][1].ll, S390CPU),
	111	VMSTATE_UINT64(env.vregs[2][1].ll, S390CPU),
	112	VMSTATE_UINT64(env.vregs[3][1].ll, S390CPU),
	113	VMSTATE_UINT64(env.vregs[4][1].ll, S390CPU),
	114	VMSTATE_UINT64(env.vregs[5][1].ll, S390CPU),
	115	VMSTATE_UINT64(env.vregs[6][1].ll, S390CPU),
	116	VMSTATE_UINT64(env.vregs[7][1].ll, S390CPU),
	117	VMSTATE_UINT64(env.vregs[8][1].ll, S390CPU),
	118	VMSTATE_UINT64(env.vregs[9][1].ll, S390CPU),
	119	VMSTATE_UINT64(env.vregs[10][1].ll, S390CPU),
	120	VMSTATE_UINT64(env.vregs[11][1].ll, S390CPU),
	121	VMSTATE_UINT64(env.vregs[12][1].ll, S390CPU),
	122	VMSTATE_UINT64(env.vregs[13][1].ll, S390CPU),
	123	VMSTATE_UINT64(env.vregs[14][1].ll, S390CPU),
	124	VMSTATE_UINT64(env.vregs[15][1].ll, S390CPU),
	125	VMSTATE_UINT64(env.vregs[16][1].ll, S390CPU),
	126	VMSTATE_UINT64(env.vregs[17][1].ll, S390CPU),
	127	VMSTATE_UINT64(env.vregs[18][1].ll, S390CPU),
	128	VMSTATE_UINT64(env.vregs[19][1].ll, S390CPU),
	129	VMSTATE_UINT64(env.vregs[20][1].ll, S390CPU),
	130	VMSTATE_UINT64(env.vregs[21][1].ll, S390CPU),
	131	VMSTATE_UINT64(env.vregs[22][1].ll, S390CPU),
	132	VMSTATE_UINT64(env.vregs[23][1].ll, S390CPU),
	133	VMSTATE_UINT64(env.vregs[24][1].ll, S390CPU),
	134	VMSTATE_UINT64(env.vregs[25][1].ll, S390CPU),
	135	VMSTATE_UINT64(env.vregs[26][1].ll, S390CPU),
	136	VMSTATE_UINT64(env.vregs[27][1].ll, S390CPU),
	137	VMSTATE_UINT64(env.vregs[28][1].ll, S390CPU),
	138	VMSTATE_UINT64(env.vregs[29][1].ll, S390CPU),
	139	VMSTATE_UINT64(env.vregs[30][1].ll, S390CPU),
	140	VMSTATE_UINT64(env.vregs[31][1].ll, S390CPU),
	141	VMSTATE_END_OF_LIST()
	142	}
	143	};
	144
b01501db PB	145	static bool riccb_needed(void *opaque)
b01501db PB	146	{
7c72ac49	147	return s390_has_feat(S390_FEAT_RUNTIME_INSTRUMENTATION);
b01501db PB	148	}
b01501db PB	149
9700230b FZ	150	const VMStateDescription vmstate_riccb = {
	151	.name = "cpu/riccb",
	152	.version_id = 1,
	153	.minimum_version_id = 1,
	154	.needed = riccb_needed,
	155	.fields = (VMStateField[]) {
	156	VMSTATE_UINT8_ARRAY(env.riccb, S390CPU, 64),
	157	VMSTATE_END_OF_LIST()
	158	}
	159	};
	160
303c681a RH	161	static bool exval_needed(void *opaque)
	162	{
	163	S390CPU *cpu = opaque;
	164	return cpu->env.ex_value != 0;
	165	}
	166
	167	const VMStateDescription vmstate_exval = {
	168	.name = "cpu/exval",
	169	.version_id = 1,
	170	.minimum_version_id = 1,
	171	.needed = exval_needed,
	172	.fields = (VMStateField[]) {
	173	VMSTATE_UINT64(env.ex_value, S390CPU),
	174	VMSTATE_END_OF_LIST()
	175	}
	176	};
	177
62deb62d FZ	178	static bool gscb_needed(void *opaque)
	179	{
	180	return kvm_s390_get_gs();
	181	}
	182
	183	const VMStateDescription vmstate_gscb = {
	184	.name = "cpu/gscb",
	185	.version_id = 1,
	186	.minimum_version_id = 1,
	187	.needed = gscb_needed,
	188	.fields = (VMStateField[]) {
	189	VMSTATE_UINT64_ARRAY(env.gscb, S390CPU, 4),
	190	VMSTATE_END_OF_LIST()
	191	}
	192	};
	193
46c804de DH	194	const VMStateDescription vmstate_s390_cpu = {
	195	.name = "cpu",
	196	.post_load = cpu_post_load,
3cda44f7 JF	197	.pre_save = cpu_pre_save,
3cda44f7 JF	198	.version_id = 4,
46c804de DH	199	.minimum_version_id = 3,
46c804de DH	200	.fields = (VMStateField[]) {
ef1df130 TH	201	VMSTATE_UINT64_ARRAY(env.regs, S390CPU, 16),
	202	VMSTATE_UINT64(env.psw.mask, S390CPU),
	203	VMSTATE_UINT64(env.psw.addr, S390CPU),
	204	VMSTATE_UINT64(env.psa, S390CPU),
ef1df130 TH	205	VMSTATE_UINT32(env.todpr, S390CPU),
	206	VMSTATE_UINT64(env.pfault_token, S390CPU),
	207	VMSTATE_UINT64(env.pfault_compare, S390CPU),
	208	VMSTATE_UINT64(env.pfault_select, S390CPU),
	209	VMSTATE_UINT64(env.cputm, S390CPU),
	210	VMSTATE_UINT64(env.ckc, S390CPU),
	211	VMSTATE_UINT64(env.gbea, S390CPU),
	212	VMSTATE_UINT64(env.pp, S390CPU),
	213	VMSTATE_UINT32_ARRAY(env.aregs, S390CPU, 16),
	214	VMSTATE_UINT64_ARRAY(env.cregs, S390CPU, 16),
	215	VMSTATE_UINT8(env.cpu_state, S390CPU),
18ff9494	216	VMSTATE_UINT8(env.sigp_order, S390CPU),
3cda44f7	217	VMSTATE_UINT32_V(irqstate_saved_size, S390CPU, 4),
59046ec2	218	VMSTATE_VBUFFER_UINT32(irqstate, S390CPU, 4, NULL,
3cda44f7	219	irqstate_saved_size),
ef1df130	220	VMSTATE_END_OF_LIST()
5cd8cada JQ	221	},
	222	.subsections = (const VMStateDescription*[]) {
	223	&vmstate_fpu,
	224	&vmstate_vregs,
9700230b	225	&vmstate_riccb,
303c681a	226	&vmstate_exval,
62deb62d	227	&vmstate_gscb,
5cd8cada	228	NULL
46c804de	229	},
ef1df130	230	};