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unicorn/qemu/target/sparc/cpu.c
Igor Mammedov 2142f3ff98
sparc: convert cpu models to SPARC cpu subclasses 
Backports commit 12a6c15ef31c98ecefa63e91ac36955383038384 from qemu
2018-03-07 21:30:22 -05:00

984 lines
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/*
* Sparc CPU init helpers
*
* Copyright (c) 2003-2005 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "cpu.h"
#include "exec/exec-all.h"
#include "hw/sparc/sparc.h"
//#define DEBUG_FEATURES
/* CPUClass::reset() */
static void sparc_cpu_reset(CPUState *s)
{
SPARCCPU *cpu = SPARC_CPU(s->uc, s);
SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(s->uc, cpu);
CPUSPARCState *env = &cpu->env;
scc->parent_reset(s);
memset(env, 0, offsetof(CPUSPARCState, end_reset_fields));
env->cwp = 0;
#ifndef TARGET_SPARC64
env->wim = 1;
#endif
env->regwptr = env->regbase + (env->cwp * 16);
CC_OP = CC_OP_FLAGS;
#if defined(CONFIG_USER_ONLY)
#ifdef TARGET_SPARC64
env->cleanwin = env->nwindows - 2;
env->cansave = env->nwindows - 2;
env->pstate = PS_RMO | PS_PEF | PS_IE;
env->asi = 0x82; /* Primary no-fault */
#endif
#else
#if !defined(TARGET_SPARC64)
env->psret = 0;
env->psrs = 1;
env->psrps = 1;
#endif
#ifdef TARGET_SPARC64
env->pstate = PS_PRIV | PS_RED | PS_PEF;
if (!cpu_has_hypervisor(env)) {
env->pstate |= PS_AG;
}
env->hpstate = cpu_has_hypervisor(env) ? HS_PRIV : 0;
env->tl = env->maxtl;
env->gl = 2;
cpu_tsptr(env)->tt = TT_POWER_ON_RESET;
env->lsu = 0;
#else
env->mmuregs[0] &= ~(MMU_E | MMU_NF);
env->mmuregs[0] |= env->def->mmu_bm;
#endif
env->pc = 0;
env->npc = env->pc + 4;
#endif
env->cache_control = 0;
}
static bool sparc_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
{
if (interrupt_request & CPU_INTERRUPT_HARD) {
SPARCCPU *cpu = SPARC_CPU(cs->uc, cs);
CPUSPARCState *env = &cpu->env;
if (cpu_interrupts_enabled(env) && env->interrupt_index > 0) {
int pil = env->interrupt_index & 0xf;
int type = env->interrupt_index & 0xf0;
if (type != TT_EXTINT || cpu_pil_allowed(env, pil)) {
cs->exception_index = env->interrupt_index;
sparc_cpu_do_interrupt(cs);
return true;
}
}
}
return false;
}
static void sparc_cpu_parse_features(CPUState *cs, char *features,
Error **errp);
static int cpu_sparc_register(struct uc_struct *uc, SPARCCPU *cpu, const char *cpu_model)
{
CPUSPARCState *env = &cpu->env;
char *s = g_strdup(cpu_model);
char *featurestr = strtok(s, ",");
Error *err = NULL;
featurestr = strtok(NULL, ",");
sparc_cpu_parse_features(CPU(cpu), featurestr, &err);
g_free(s);
if (err) {
//error_report("%s", error_get_pretty(err));
error_free(err);
return -1;
}
env->version = env->def->iu_version;
env->fsr = env->def->fpu_version;
env->nwindows = env->def->nwindows;
#if !defined(TARGET_SPARC64)
env->mmuregs[0] |= env->def->mmu_version;
cpu_sparc_set_id(env, 0);
env->mxccregs[7] |= env->def->mxcc_version;
#else
env->mmu_version = env->def->mmu_version;
env->maxtl = env->def->maxtl;
env->version |= env->def->maxtl << 8;
env->version |= env->def->nwindows - 1;
#endif
return 0;
}
SPARCCPU *cpu_sparc_init(struct uc_struct *uc, const char *cpu_model)
{
SPARCCPU *cpu;
ObjectClass *oc;
char *str, *name;
str = g_strdup(cpu_model);
name = strtok(str, ",");
oc = cpu_class_by_name(uc, TYPE_SPARC_CPU, name);
g_free(str);
if (oc == NULL) {
return NULL;
}
cpu = SPARC_CPU(uc, object_new(uc, object_class_get_name(oc)));
if (cpu_sparc_register(uc, cpu, cpu_model) < 0) {
object_unref(uc, OBJECT(cpu));
return NULL;
}
object_property_set_bool(uc, OBJECT(cpu), true, "realized", NULL);
return cpu;
}
void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu)
{
#if !defined(TARGET_SPARC64)
env->mxccregs[7] = ((cpu + 8) & 0xf) << 24;
#endif
}
static const sparc_def_t sparc_defs[] = {
#ifdef TARGET_SPARC64
{
"Fujitsu Sparc64",
((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)),
0x00000000,
mmu_us_12,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
4,
4,
},
{
"Fujitsu Sparc64 III",
((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)),
0x00000000,
mmu_us_12,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
5,
4,
},
{
"Fujitsu Sparc64 IV",
((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)),
0x00000000,
mmu_us_12,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
8,
5,
},
{
"Fujitsu Sparc64 V",
((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)),
0x00000000,
mmu_us_12,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
8,
5,
},
{
"TI UltraSparc I",
((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
0x00000000,
mmu_us_12,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
8,
5,
},
{
"TI UltraSparc II",
((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)),
0x00000000,
mmu_us_12,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
8,
5,
},
{
"TI UltraSparc IIi",
((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)),
0x00000000,
mmu_us_12,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
8,
5,
},
{
"TI UltraSparc IIe",
((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)),
0x00000000,
mmu_us_12,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
8,
5,
},
{
"Sun UltraSparc III",
((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)),
0x00000000,
mmu_us_12,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
8,
5,
},
{
"Sun UltraSparc III Cu",
((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)),
0x00000000,
mmu_us_3,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
8,
5,
},
{
"Sun UltraSparc IIIi",
((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)),
0x00000000,
mmu_us_12,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
8,
5,
},
{
"Sun UltraSparc IV",
((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)),
0x00000000,
mmu_us_4,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
8,
5,
},
{
"Sun UltraSparc IV+",
((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)),
0x00000000,
mmu_us_12,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES | CPU_FEATURE_CMT,
8,
5,
},
{
"Sun UltraSparc IIIi+",
((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)),
0x00000000,
mmu_us_3,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
8,
5,
},
{
"Sun UltraSparc T1",
/* defined in sparc_ifu_fdp.v and ctu.h */
((0x3eULL << 48) | (0x23ULL << 32) | (0x02ULL << 24)),
0x00000000,
mmu_sun4v,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
| CPU_FEATURE_GL,
8,
6,
},
{
"Sun UltraSparc T2",
/* defined in tlu_asi_ctl.v and n2_revid_cust.v */
((0x3eULL << 48) | (0x24ULL << 32) | (0x02ULL << 24)),
0x00000000,
mmu_sun4v,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES | CPU_FEATURE_HYPV | CPU_FEATURE_CMT
| CPU_FEATURE_GL,
8,
6,
},
{
"NEC UltraSparc I",
((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)),
0x00000000,
mmu_us_12,
0,0,0,0,0,0,
CPU_DEFAULT_FEATURES,
8,
5,
},
#else
{
"Fujitsu MB86904",
0x04 << 24, /* Impl 0, ver 4 */
4 << 17, /* FPU version 4 (Meiko) */
0x04 << 24, /* Impl 0, ver 4 */
0x00004000,
0x00ffffc0,
0x000000ff,
0x00016fff,
0x00ffffff,
0,
CPU_DEFAULT_FEATURES,
8,
0,
},
{
"Fujitsu MB86907",
0x05 << 24, /* Impl 0, ver 5 */
4 << 17, /* FPU version 4 (Meiko) */
0x05 << 24, /* Impl 0, ver 5 */
0x00004000,
0xffffffc0,
0x000000ff,
0x00016fff,
0xffffffff,
0,
CPU_DEFAULT_FEATURES,
8,
0,
},
{
"TI MicroSparc I",
0x41000000,
4 << 17,
0x41000000,
0x00004000,
0x007ffff0,
0x0000003f,
0x00016fff,
0x0000003f,
0,
CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | CPU_FEATURE_MUL |
CPU_FEATURE_DIV | CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT |
CPU_FEATURE_FMUL,
7,
0,
},
{
"TI MicroSparc II",
0x42000000,
4 << 17,
0x02000000,
0x00004000,
0x00ffffc0,
0x000000ff,
0x00016fff,
0x00ffffff,
0,
CPU_DEFAULT_FEATURES,
8,
0,
},
{
"TI MicroSparc IIep",
0x42000000,
4 << 17,
0x04000000,
0x00004000,
0x00ffffc0,
0x000000ff,
0x00016bff,
0x00ffffff,
0,
CPU_DEFAULT_FEATURES,
8,
0,
},
{
"TI SuperSparc 40", /* STP1020NPGA */
0x41000000, /* SuperSPARC 2.x */
0 << 17,
0x00000800, /* SuperSPARC 2.x, no MXCC */
0x00002000,
0xffffffc0,
0x0000ffff,
0xffffffff,
0xffffffff,
0,
CPU_DEFAULT_FEATURES,
8,
0,
},
{
"TI SuperSparc 50", /* STP1020PGA */
0x40000000, /* SuperSPARC 3.x */
0 << 17,
0x01000800, /* SuperSPARC 3.x, no MXCC */
0x00002000,
0xffffffc0,
0x0000ffff,
0xffffffff,
0xffffffff,
0,
CPU_DEFAULT_FEATURES,
8,
0,
},
{
"TI SuperSparc 51",
0x40000000, /* SuperSPARC 3.x */
0 << 17,
0x01000000, /* SuperSPARC 3.x, MXCC */
0x00002000,
0xffffffc0,
0x0000ffff,
0xffffffff,
0xffffffff,
0x00000104,
CPU_DEFAULT_FEATURES,
8,
0,
},
{
"TI SuperSparc 60", /* STP1020APGA */
0x40000000, /* SuperSPARC 3.x */
0 << 17,
0x01000800, /* SuperSPARC 3.x, no MXCC */
0x00002000,
0xffffffc0,
0x0000ffff,
0xffffffff,
0xffffffff,
0,
CPU_DEFAULT_FEATURES,
8,
0,
},
{
"TI SuperSparc 61",
0x44000000, /* SuperSPARC 3.x */
0 << 17,
0x01000000, /* SuperSPARC 3.x, MXCC */
0x00002000,
0xffffffc0,
0x0000ffff,
0xffffffff,
0xffffffff,
0x00000104,
CPU_DEFAULT_FEATURES,
8,
0,
},
{
"TI SuperSparc II",
0x40000000, /* SuperSPARC II 1.x */
0 << 17,
0x08000000, /* SuperSPARC II 1.x, MXCC */
0x00002000,
0xffffffc0,
0x0000ffff,
0xffffffff,
0xffffffff,
0x00000104,
CPU_DEFAULT_FEATURES,
8,
0,
},
{
"LEON2",
0xf2000000,
4 << 17, /* FPU version 4 (Meiko) */
0xf2000000,
0x00004000,
0x007ffff0,
0x0000003f,
0xffffffff,
0xffffffff,
0,
CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN,
8,
0,
},
{
"LEON3",
0xf3000000,
4 << 17, /* FPU version 4 (Meiko) */
0xf3000000,
0x00000000,
0xfffffffc,
0x000000ff,
0xffffffff,
0xffffffff,
0,
CPU_DEFAULT_FEATURES | CPU_FEATURE_TA0_SHUTDOWN |
CPU_FEATURE_ASR17 | CPU_FEATURE_CACHE_CTRL | CPU_FEATURE_POWERDOWN |
CPU_FEATURE_CASA,
8,
0,
},
#endif
};
static const char * const feature_name[] = {
"float",
"float128",
"swap",
"mul",
"div",
"flush",
"fsqrt",
"fmul",
"vis1",
"vis2",
"fsmuld",
"hypv",
"cmt",
"gl",
};
#if 0
static void print_features(FILE *f, fprintf_function cpu_fprintf,
uint32_t features, const char *prefix)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
if (feature_name[i] && (features & (1 << i))) {
if (prefix) {
(*cpu_fprintf)(f, "%s", prefix);
}
(*cpu_fprintf)(f, "%s ", feature_name[i]);
}
}
}
#endif
static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(feature_name); i++) {
if (feature_name[i] && !strcmp(flagname, feature_name[i])) {
*features |= 1 << i;
return;
}
}
//error_report("CPU feature %s not found", flagname);
}
static void sparc_cpu_parse_features(CPUState *cs, char *features,
Error **errp)
{
SPARCCPU *cpu = SPARC_CPU(cs->uc, cs);
sparc_def_t *cpu_def = cpu->env.def;
char *featurestr;
uint32_t plus_features = 0;
uint32_t minus_features = 0;
uint64_t iu_version;
uint32_t fpu_version, mmu_version, nwindows;
featurestr = features ? strtok(features, ",") : NULL;
while (featurestr) {
char *val;
if (featurestr[0] == '+') {
add_flagname_to_bitmaps(featurestr + 1, &plus_features);
} else if (featurestr[0] == '-') {
add_flagname_to_bitmaps(featurestr + 1, &minus_features);
} else if ((val = strchr(featurestr, '='))) {
*val = 0; val++;
if (!strcmp(featurestr, "iu_version")) {
char *err;
iu_version = strtoll(val, &err, 0);
if (!*val || *err) {
error_setg(errp, "bad numerical value %s", val);
return;
}
cpu_def->iu_version = iu_version;
#ifdef DEBUG_FEATURES
fprintf(stderr, "iu_version %" PRIx64 "\n", iu_version);
#endif
} else if (!strcmp(featurestr, "fpu_version")) {
char *err;
fpu_version = strtol(val, &err, 0);
if (!*val || *err) {
error_setg(errp, "bad numerical value %s", val);
return;
}
cpu_def->fpu_version = fpu_version;
#ifdef DEBUG_FEATURES
fprintf(stderr, "fpu_version %x\n", fpu_version);
#endif
} else if (!strcmp(featurestr, "mmu_version")) {
char *err;
mmu_version = strtol(val, &err, 0);
if (!*val || *err) {
error_setg(errp, "bad numerical value %s", val);
return;
}
cpu_def->mmu_version = mmu_version;
#ifdef DEBUG_FEATURES
fprintf(stderr, "mmu_version %x\n", mmu_version);
#endif
} else if (!strcmp(featurestr, "nwindows")) {
char *err;
nwindows = strtol(val, &err, 0);
if (!*val || *err || nwindows > MAX_NWINDOWS ||
nwindows < MIN_NWINDOWS) {
error_setg(errp, "bad numerical value %s", val);
return;
}
cpu_def->nwindows = nwindows;
#ifdef DEBUG_FEATURES
fprintf(stderr, "nwindows %d\n", nwindows);
#endif
} else {
error_setg(errp, "unrecognized feature %s", featurestr);
return;
}
} else {
error_setg(errp, "feature string `%s' not in format "
"(+feature|-feature|feature=xyz)", featurestr);
return;
}
featurestr = strtok(NULL, ",");
}
cpu_def->features |= plus_features;
cpu_def->features &= ~minus_features;
#ifdef DEBUG_FEATURES
print_features(stderr, fprintf, cpu_def->features, NULL);
#endif
}
#if 0
void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
(*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx
" FPU %08x MMU %08x NWINS %d ",
sparc_defs[i].name,
sparc_defs[i].iu_version,
sparc_defs[i].fpu_version,
sparc_defs[i].mmu_version,
sparc_defs[i].nwindows);
print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES &
~sparc_defs[i].features, "-");
print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES &
sparc_defs[i].features, "+");
(*cpu_fprintf)(f, "\n");
}
(*cpu_fprintf)(f, "Default CPU feature flags (use '-' to remove): ");
print_features(f, cpu_fprintf, CPU_DEFAULT_FEATURES, NULL);
(*cpu_fprintf)(f, "\n");
(*cpu_fprintf)(f, "Available CPU feature flags (use '+' to add): ");
print_features(f, cpu_fprintf, ~CPU_DEFAULT_FEATURES, NULL);
(*cpu_fprintf)(f, "\n");
(*cpu_fprintf)(f, "Numerical features (use '=' to set): iu_version "
"fpu_version mmu_version nwindows\n");
}
static void cpu_print_cc(FILE *f, fprintf_function cpu_fprintf,
uint32_t cc)
{
cpu_fprintf(f, "%c%c%c%c", cc & PSR_NEG ? 'N' : '-',
cc & PSR_ZERO ? 'Z' : '-', cc & PSR_OVF ? 'V' : '-',
cc & PSR_CARRY ? 'C' : '-');
}
#ifdef TARGET_SPARC64
#define REGS_PER_LINE 4
#else
#define REGS_PER_LINE 8
#endif
void sparc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
int flags)
{
SPARCCPU *cpu = SPARC_CPU(cs);
CPUSPARCState *env = &cpu->env;
int i, x;
cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc,
env->npc);
for (i = 0; i < 8; i++) {
if (i % REGS_PER_LINE == 0) {
cpu_fprintf(f, "%%g%d-%d:", i, i + REGS_PER_LINE - 1);
}
cpu_fprintf(f, " " TARGET_FMT_lx, env->gregs[i]);
if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
cpu_fprintf(f, "\n");
}
}
for (x = 0; x < 3; x++) {
for (i = 0; i < 8; i++) {
if (i % REGS_PER_LINE == 0) {
cpu_fprintf(f, "%%%c%d-%d: ",
x == 0 ? 'o' : (x == 1 ? 'l' : 'i'),
i, i + REGS_PER_LINE - 1);
}
cpu_fprintf(f, TARGET_FMT_lx " ", env->regwptr[i + x * 8]);
if (i % REGS_PER_LINE == REGS_PER_LINE - 1) {
cpu_fprintf(f, "\n");
}
}
}
for (i = 0; i < TARGET_DPREGS; i++) {
if ((i & 3) == 0) {
cpu_fprintf(f, "%%f%02d: ", i * 2);
}
cpu_fprintf(f, " %016" PRIx64, env->fpr[i].ll);
if ((i & 3) == 3) {
cpu_fprintf(f, "\n");
}
}
#ifdef TARGET_SPARC64
cpu_fprintf(f, "pstate: %08x ccr: %02x (icc: ", env->pstate,
(unsigned)cpu_get_ccr(env));
cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << PSR_CARRY_SHIFT);
cpu_fprintf(f, " xcc: ");
cpu_print_cc(f, cpu_fprintf, cpu_get_ccr(env) << (PSR_CARRY_SHIFT - 4));
cpu_fprintf(f, ") asi: %02x tl: %d pil: %x gl: %d\n", env->asi, env->tl,
env->psrpil, env->gl);
cpu_fprintf(f, "tbr: " TARGET_FMT_lx " hpstate: " TARGET_FMT_lx " htba: "
TARGET_FMT_lx "\n", env->tbr, env->hpstate, env->htba);
cpu_fprintf(f, "cansave: %d canrestore: %d otherwin: %d wstate: %d "
"cleanwin: %d cwp: %d\n",
env->cansave, env->canrestore, env->otherwin, env->wstate,
env->cleanwin, env->nwindows - 1 - env->cwp);
cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx " fprs: "
TARGET_FMT_lx "\n", env->fsr, env->y, env->fprs);
#else
cpu_fprintf(f, "psr: %08x (icc: ", cpu_get_psr(env));
cpu_print_cc(f, cpu_fprintf, cpu_get_psr(env));
cpu_fprintf(f, " SPE: %c%c%c) wim: %08x\n", env->psrs ? 'S' : '-',
env->psrps ? 'P' : '-', env->psret ? 'E' : '-',
env->wim);
cpu_fprintf(f, "fsr: " TARGET_FMT_lx " y: " TARGET_FMT_lx "\n",
env->fsr, env->y);
#endif
cpu_fprintf(f, "\n");
}
#endif
static void sparc_cpu_set_pc(CPUState *cs, vaddr value)
{
SPARCCPU *cpu = SPARC_CPU(cs->uc, cs);
cpu->env.pc = value;
cpu->env.npc = value + 4;
}
static void sparc_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
{
SPARCCPU *cpu = SPARC_CPU(cs->uc, cs);
cpu->env.pc = tb->pc;
cpu->env.npc = tb->cs_base;
}
static bool sparc_cpu_has_work(CPUState *cs)
{
SPARCCPU *cpu = SPARC_CPU(cs->uc, cs);
CPUSPARCState *env = &cpu->env;
return (cs->interrupt_request & CPU_INTERRUPT_HARD) &&
cpu_interrupts_enabled(env);
}
static char *sparc_cpu_type_name(const char *cpu_model)
{
char *name = g_strdup_printf("%s-" TYPE_SPARC_CPU, cpu_model);
char *s = name;
/* SPARC cpu model names happen to have whitespaces,
* as type names shouldn't have spaces replace them with '-'
*/
while ((s = strchr(s, ' '))) {
*s = '-';
}
return name;
}
static ObjectClass *sparc_cpu_class_by_name(struct uc_struct *uc, const char *cpu_model)
{
ObjectClass *oc;
char *typename;
if (cpu_model == NULL) {
return NULL;
}
typename = sparc_cpu_type_name(cpu_model);
oc = object_class_by_name(uc, typename);
g_free(typename);
return oc;
}
static int sparc_cpu_realizefn(struct uc_struct *uc, DeviceState *dev, Error **errp)
{
SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(uc, dev);
#if defined(CONFIG_USER_ONLY)
SPARCCPU *cpu = SPARC_CPU(uc, dev);
SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(uc, obj);
CPUSPARCState *env = &cpu->env;
if ((env->def->features & CPU_FEATURE_FLOAT)) {
env->def->features |= CPU_FEATURE_FLOAT128;
}
#endif
qemu_init_vcpu(CPU(dev));
scc->parent_realize(uc, dev, errp);
return 0;
}
static void sparc_cpu_initfn(struct uc_struct *uc, Object *obj, void *opaque)
{
CPUState *cs = CPU(obj);
SPARCCPU *cpu = SPARC_CPU(uc, obj);
SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(uc, obj);
CPUSPARCState *env = &cpu->env;
cs->env_ptr = env;
cpu_exec_init(cs, opaque);
env->def = g_memdup(scc->cpu_def, sizeof(*scc->cpu_def));
}
static void sparc_cpu_uninitfn(struct uc_struct *uc, Object *obj, void *opaque)
{
SPARCCPU *cpu = SPARC_CPU(uc, obj);
CPUSPARCState *env = &cpu->env;
g_free(env->def);
}
static void sparc_cpu_class_init(struct uc_struct *uc, ObjectClass *oc, void *data)
{
SPARCCPUClass *scc = SPARC_CPU_CLASS(uc, oc);
CPUClass *cc = CPU_CLASS(uc, oc);
DeviceClass *dc = DEVICE_CLASS(uc, oc);
scc->parent_realize = dc->realize;
dc->realize = sparc_cpu_realizefn;
scc->parent_reset = cc->reset;
cc->reset = sparc_cpu_reset;
cc->class_by_name = sparc_cpu_class_by_name;
cc->has_work = sparc_cpu_has_work;
cc->do_interrupt = sparc_cpu_do_interrupt;
cc->cpu_exec_interrupt = sparc_cpu_exec_interrupt;
//cc->dump_state = sparc_cpu_dump_state;
#if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
cc->memory_rw_debug = sparc_cpu_memory_rw_debug;
#endif
cc->set_pc = sparc_cpu_set_pc;
cc->synchronize_from_tb = sparc_cpu_synchronize_from_tb;
#ifdef CONFIG_USER_ONLY
cc->handle_mmu_fault = sparc_cpu_handle_mmu_fault;
#else
cc->do_unassigned_access = sparc_cpu_unassigned_access;
cc->do_unaligned_access = sparc_cpu_do_unaligned_access;
cc->get_phys_page_debug = sparc_cpu_get_phys_page_debug;
// Unicorn: commented out
//cc->vmsd = &vmstate_sparc_cpu;
#endif
cc->tcg_initialize = sparc_tcg_init;
}
static void sparc_cpu_cpudef_class_init(struct uc_struct *uc, ObjectClass *oc, void *data)
{
SPARCCPUClass *scc = SPARC_CPU_CLASS(uc, oc);
scc->cpu_def = data;
}
static void sparc_register_cpudef_type(struct uc_struct *uc, const struct sparc_def_t *def)
{
char *typename = sparc_cpu_type_name(def->name);
TypeInfo ti = {
typename,
TYPE_SPARC_CPU,
0,
0,
NULL,
NULL,
NULL,
NULL,
(void *)def,
sparc_cpu_cpudef_class_init,
};
type_register(uc, &ti);
g_free(typename);
}
void sparc_cpu_register_types(void *opaque)
{
int i;
const TypeInfo sparc_cpu_type_info = {
TYPE_SPARC_CPU,
TYPE_CPU,
sizeof(SPARCCPUClass),
sizeof(SPARCCPU),
opaque,
sparc_cpu_initfn,
NULL,
sparc_cpu_uninitfn,
NULL,
sparc_cpu_class_init,
NULL,
NULL,
true,
};
//printf(">>> sparc_cpu_register_types\n");
type_register_static(opaque, &sparc_cpu_type_info);
for (i = 0; i < ARRAY_SIZE(sparc_defs); i++) {
sparc_register_cpudef_type(opaque, &sparc_defs[i]);
}
}
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