[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 "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()
    }
};

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