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-rw-r--r--target-sparc/helper.c527
1 files changed, 521 insertions, 6 deletions
diff --git a/target-sparc/helper.c b/target-sparc/helper.c
index 3437d13f66..a788ef633e 100644
--- a/target-sparc/helper.c
+++ b/target-sparc/helper.c
@@ -30,6 +30,22 @@
//#define DEBUG_MMU
+typedef struct sparc_def_t sparc_def_t;
+
+struct sparc_def_t {
+ const unsigned char *name;
+ target_ulong iu_version;
+ uint32_t fpu_version;
+ uint32_t mmu_version;
+ uint32_t mmu_bm;
+ uint32_t mmu_ctpr_mask;
+ uint32_t mmu_cxr_mask;
+ uint32_t mmu_sfsr_mask;
+ uint32_t mmu_trcr_mask;
+};
+
+static const sparc_def_t *cpu_sparc_find_by_name(const unsigned char *name);
+
/* Sparc MMU emulation */
/* thread support */
@@ -98,9 +114,9 @@ static const int perm_table[2][8] = {
}
};
-int get_physical_address (CPUState *env, target_phys_addr_t *physical, int *prot,
- int *access_index, target_ulong address, int rw,
- int mmu_idx)
+static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
+ int *prot, int *access_index,
+ target_ulong address, int rw, int mmu_idx)
{
int access_perms = 0;
target_phys_addr_t pde_ptr;
@@ -483,9 +499,9 @@ static int get_physical_address_code(CPUState *env, target_phys_addr_t *physical
return 1;
}
-int get_physical_address(CPUState *env, target_phys_addr_t *physical, int *prot,
- int *access_index, target_ulong address, int rw,
- int mmu_idx)
+static int get_physical_address(CPUState *env, target_phys_addr_t *physical,
+ int *prot, int *access_index,
+ target_ulong address, int rw, int mmu_idx)
{
int is_user = mmu_idx == MMU_USER_IDX;
@@ -593,6 +609,30 @@ void dump_mmu(CPUState *env)
#endif /* TARGET_SPARC64 */
#endif /* !CONFIG_USER_ONLY */
+
+#if defined(CONFIG_USER_ONLY)
+target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
+{
+ return addr;
+}
+
+#else
+target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
+{
+ target_phys_addr_t phys_addr;
+ int prot, access_index;
+
+ if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2,
+ MMU_KERNEL_IDX) != 0)
+ if (get_physical_address(env, &phys_addr, &prot, &access_index, addr,
+ 0, MMU_KERNEL_IDX) != 0)
+ return -1;
+ if (cpu_get_physical_page_desc(phys_addr) == IO_MEM_UNASSIGNED)
+ return -1;
+ return phys_addr;
+}
+#endif
+
void memcpy32(target_ulong *dst, const target_ulong *src)
{
dst[0] = src[0];
@@ -605,6 +645,481 @@ void memcpy32(target_ulong *dst, const target_ulong *src)
dst[7] = src[7];
}
+void helper_flush(target_ulong addr)
+{
+ addr &= ~7;
+ tb_invalidate_page_range(addr, addr + 8);
+}
+
+void cpu_reset(CPUSPARCState *env)
+{
+ tlb_flush(env, 1);
+ env->cwp = 0;
+ env->wim = 1;
+ env->regwptr = env->regbase + (env->cwp * 16);
+#if defined(CONFIG_USER_ONLY)
+ env->user_mode_only = 1;
+#ifdef TARGET_SPARC64
+ env->cleanwin = NWINDOWS - 2;
+ env->cansave = NWINDOWS - 2;
+ env->pstate = PS_RMO | PS_PEF | PS_IE;
+ env->asi = 0x82; // Primary no-fault
+#endif
+#else
+ env->psret = 0;
+ env->psrs = 1;
+ env->psrps = 1;
+#ifdef TARGET_SPARC64
+ env->pstate = PS_PRIV;
+ env->hpstate = HS_PRIV;
+ env->pc = 0x1fff0000000ULL;
+ env->tsptr = &env->ts[env->tl];
+#else
+ env->pc = 0;
+ env->mmuregs[0] &= ~(MMU_E | MMU_NF);
+ env->mmuregs[0] |= env->mmu_bm;
+#endif
+ env->npc = env->pc + 4;
+#endif
+}
+
+CPUSPARCState *cpu_sparc_init(const char *cpu_model)
+{
+ CPUSPARCState *env;
+ const sparc_def_t *def;
+
+ def = cpu_sparc_find_by_name(cpu_model);
+ if (!def)
+ return NULL;
+
+ env = qemu_mallocz(sizeof(CPUSPARCState));
+ if (!env)
+ return NULL;
+ cpu_exec_init(env);
+ env->cpu_model_str = cpu_model;
+ env->version = def->iu_version;
+ env->fsr = def->fpu_version;
+#if !defined(TARGET_SPARC64)
+ env->mmu_bm = def->mmu_bm;
+ env->mmu_ctpr_mask = def->mmu_ctpr_mask;
+ env->mmu_cxr_mask = def->mmu_cxr_mask;
+ env->mmu_sfsr_mask = def->mmu_sfsr_mask;
+ env->mmu_trcr_mask = def->mmu_trcr_mask;
+ env->mmuregs[0] |= def->mmu_version;
+ cpu_sparc_set_id(env, 0);
+#endif
+
+ gen_intermediate_code_init(env);
+
+ cpu_reset(env);
+
+ return env;
+}
+
+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
+ {
+ .name = "Fujitsu Sparc64",
+ .iu_version = ((0x04ULL << 48) | (0x02ULL << 32) | (0ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "Fujitsu Sparc64 III",
+ .iu_version = ((0x04ULL << 48) | (0x03ULL << 32) | (0ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "Fujitsu Sparc64 IV",
+ .iu_version = ((0x04ULL << 48) | (0x04ULL << 32) | (0ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "Fujitsu Sparc64 V",
+ .iu_version = ((0x04ULL << 48) | (0x05ULL << 32) | (0x51ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "TI UltraSparc I",
+ .iu_version = ((0x17ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "TI UltraSparc II",
+ .iu_version = ((0x17ULL << 48) | (0x11ULL << 32) | (0x20ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "TI UltraSparc IIi",
+ .iu_version = ((0x17ULL << 48) | (0x12ULL << 32) | (0x91ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "TI UltraSparc IIe",
+ .iu_version = ((0x17ULL << 48) | (0x13ULL << 32) | (0x14ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "Sun UltraSparc III",
+ .iu_version = ((0x3eULL << 48) | (0x14ULL << 32) | (0x34ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "Sun UltraSparc III Cu",
+ .iu_version = ((0x3eULL << 48) | (0x15ULL << 32) | (0x41ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "Sun UltraSparc IIIi",
+ .iu_version = ((0x3eULL << 48) | (0x16ULL << 32) | (0x34ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "Sun UltraSparc IV",
+ .iu_version = ((0x3eULL << 48) | (0x18ULL << 32) | (0x31ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "Sun UltraSparc IV+",
+ .iu_version = ((0x3eULL << 48) | (0x19ULL << 32) | (0x22ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "Sun UltraSparc IIIi+",
+ .iu_version = ((0x3eULL << 48) | (0x22ULL << 32) | (0ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+ {
+ .name = "NEC UltraSparc I",
+ .iu_version = ((0x22ULL << 48) | (0x10ULL << 32) | (0x40ULL << 24)
+ | (MAXTL << 8) | (NWINDOWS - 1)),
+ .fpu_version = 0x00000000,
+ .mmu_version = 0,
+ },
+#else
+ {
+ .name = "Fujitsu MB86900",
+ .iu_version = 0x00 << 24, /* Impl 0, ver 0 */
+ .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
+ .mmu_version = 0x00 << 24, /* Impl 0, ver 0 */
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x007ffff0,
+ .mmu_cxr_mask = 0x0000003f,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "Fujitsu MB86904",
+ .iu_version = 0x04 << 24, /* Impl 0, ver 4 */
+ .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
+ .mmu_version = 0x04 << 24, /* Impl 0, ver 4 */
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x00ffffc0,
+ .mmu_cxr_mask = 0x000000ff,
+ .mmu_sfsr_mask = 0x00016fff,
+ .mmu_trcr_mask = 0x00ffffff,
+ },
+ {
+ .name = "Fujitsu MB86907",
+ .iu_version = 0x05 << 24, /* Impl 0, ver 5 */
+ .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
+ .mmu_version = 0x05 << 24, /* Impl 0, ver 5 */
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0xffffffc0,
+ .mmu_cxr_mask = 0x000000ff,
+ .mmu_sfsr_mask = 0x00016fff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "LSI L64811",
+ .iu_version = 0x10 << 24, /* Impl 1, ver 0 */
+ .fpu_version = 1 << 17, /* FPU version 1 (LSI L64814) */
+ .mmu_version = 0x10 << 24,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x007ffff0,
+ .mmu_cxr_mask = 0x0000003f,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "Cypress CY7C601",
+ .iu_version = 0x11 << 24, /* Impl 1, ver 1 */
+ .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
+ .mmu_version = 0x10 << 24,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x007ffff0,
+ .mmu_cxr_mask = 0x0000003f,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "Cypress CY7C611",
+ .iu_version = 0x13 << 24, /* Impl 1, ver 3 */
+ .fpu_version = 3 << 17, /* FPU version 3 (Cypress CY7C602) */
+ .mmu_version = 0x10 << 24,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x007ffff0,
+ .mmu_cxr_mask = 0x0000003f,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "TI SuperSparc II",
+ .iu_version = 0x40000000,
+ .fpu_version = 0 << 17,
+ .mmu_version = 0x04000000,
+ .mmu_bm = 0x00002000,
+ .mmu_ctpr_mask = 0xffffffc0,
+ .mmu_cxr_mask = 0x0000ffff,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "TI MicroSparc I",
+ .iu_version = 0x41000000,
+ .fpu_version = 4 << 17,
+ .mmu_version = 0x41000000,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x007ffff0,
+ .mmu_cxr_mask = 0x0000003f,
+ .mmu_sfsr_mask = 0x00016fff,
+ .mmu_trcr_mask = 0x0000003f,
+ },
+ {
+ .name = "TI MicroSparc II",
+ .iu_version = 0x42000000,
+ .fpu_version = 4 << 17,
+ .mmu_version = 0x02000000,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x00ffffc0,
+ .mmu_cxr_mask = 0x000000ff,
+ .mmu_sfsr_mask = 0x00016fff,
+ .mmu_trcr_mask = 0x00ffffff,
+ },
+ {
+ .name = "TI MicroSparc IIep",
+ .iu_version = 0x42000000,
+ .fpu_version = 4 << 17,
+ .mmu_version = 0x04000000,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x00ffffc0,
+ .mmu_cxr_mask = 0x000000ff,
+ .mmu_sfsr_mask = 0x00016bff,
+ .mmu_trcr_mask = 0x00ffffff,
+ },
+ {
+ .name = "TI SuperSparc 51",
+ .iu_version = 0x43000000,
+ .fpu_version = 0 << 17,
+ .mmu_version = 0x04000000,
+ .mmu_bm = 0x00002000,
+ .mmu_ctpr_mask = 0xffffffc0,
+ .mmu_cxr_mask = 0x0000ffff,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "TI SuperSparc 61",
+ .iu_version = 0x44000000,
+ .fpu_version = 0 << 17,
+ .mmu_version = 0x04000000,
+ .mmu_bm = 0x00002000,
+ .mmu_ctpr_mask = 0xffffffc0,
+ .mmu_cxr_mask = 0x0000ffff,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "Ross RT625",
+ .iu_version = 0x1e000000,
+ .fpu_version = 1 << 17,
+ .mmu_version = 0x1e000000,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x007ffff0,
+ .mmu_cxr_mask = 0x0000003f,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "Ross RT620",
+ .iu_version = 0x1f000000,
+ .fpu_version = 1 << 17,
+ .mmu_version = 0x1f000000,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x007ffff0,
+ .mmu_cxr_mask = 0x0000003f,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "BIT B5010",
+ .iu_version = 0x20000000,
+ .fpu_version = 0 << 17, /* B5010/B5110/B5120/B5210 */
+ .mmu_version = 0x20000000,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x007ffff0,
+ .mmu_cxr_mask = 0x0000003f,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "Matsushita MN10501",
+ .iu_version = 0x50000000,
+ .fpu_version = 0 << 17,
+ .mmu_version = 0x50000000,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x007ffff0,
+ .mmu_cxr_mask = 0x0000003f,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "Weitek W8601",
+ .iu_version = 0x90 << 24, /* Impl 9, ver 0 */
+ .fpu_version = 3 << 17, /* FPU version 3 (Weitek WTL3170/2) */
+ .mmu_version = 0x10 << 24,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x007ffff0,
+ .mmu_cxr_mask = 0x0000003f,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "LEON2",
+ .iu_version = 0xf2000000,
+ .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
+ .mmu_version = 0xf2000000,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x007ffff0,
+ .mmu_cxr_mask = 0x0000003f,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+ {
+ .name = "LEON3",
+ .iu_version = 0xf3000000,
+ .fpu_version = 4 << 17, /* FPU version 4 (Meiko) */
+ .mmu_version = 0xf3000000,
+ .mmu_bm = 0x00004000,
+ .mmu_ctpr_mask = 0x007ffff0,
+ .mmu_cxr_mask = 0x0000003f,
+ .mmu_sfsr_mask = 0xffffffff,
+ .mmu_trcr_mask = 0xffffffff,
+ },
+#endif
+};
+
+static const sparc_def_t *cpu_sparc_find_by_name(const unsigned char *name)
+{
+ unsigned int i;
+
+ for (i = 0; i < sizeof(sparc_defs) / sizeof(sparc_def_t); i++) {
+ if (strcasecmp(name, sparc_defs[i].name) == 0) {
+ return &sparc_defs[i];
+ }
+ }
+ return NULL;
+}
+
+void sparc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
+{
+ unsigned int i;
+
+ for (i = 0; i < sizeof(sparc_defs) / sizeof(sparc_def_t); i++) {
+ (*cpu_fprintf)(f, "Sparc %16s IU " TARGET_FMT_lx " FPU %08x MMU %08x\n",
+ sparc_defs[i].name,
+ sparc_defs[i].iu_version,
+ sparc_defs[i].fpu_version,
+ sparc_defs[i].mmu_version);
+ }
+}
+
+#define GET_FLAG(a,b) ((env->psr & a)?b:'-')
+
+void cpu_dump_state(CPUState *env, FILE *f,
+ int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
+ int flags)
+{
+ int i, x;
+
+ cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc, env->npc);
+ cpu_fprintf(f, "General Registers:\n");
+ for (i = 0; i < 4; i++)
+ cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
+ cpu_fprintf(f, "\n");
+ for (; i < 8; i++)
+ cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]);
+ cpu_fprintf(f, "\nCurrent Register Window:\n");
+ for (x = 0; x < 3; x++) {
+ for (i = 0; i < 4; i++)
+ cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
+ (x == 0 ? 'o' : (x == 1 ? 'l' : 'i')), i,
+ env->regwptr[i + x * 8]);
+ cpu_fprintf(f, "\n");
+ for (; i < 8; i++)
+ cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t",
+ (x == 0 ? 'o' : x == 1 ? 'l' : 'i'), i,
+ env->regwptr[i + x * 8]);
+ cpu_fprintf(f, "\n");
+ }
+ cpu_fprintf(f, "\nFloating Point Registers:\n");
+ for (i = 0; i < 32; i++) {
+ if ((i & 3) == 0)
+ cpu_fprintf(f, "%%f%02d:", i);
+ cpu_fprintf(f, " %016lf", env->fpr[i]);
+ if ((i & 3) == 3)
+ cpu_fprintf(f, "\n");
+ }
+#ifdef TARGET_SPARC64
+ cpu_fprintf(f, "pstate: 0x%08x ccr: 0x%02x asi: 0x%02x tl: %d fprs: %d\n",
+ env->pstate, GET_CCR(env), env->asi, env->tl, env->fprs);
+ 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, NWINDOWS - 1 - env->cwp);
+#else
+ cpu_fprintf(f, "psr: 0x%08x -> %c%c%c%c %c%c%c wim: 0x%08x\n", GET_PSR(env),
+ GET_FLAG(PSR_ZERO, 'Z'), GET_FLAG(PSR_OVF, 'V'),
+ GET_FLAG(PSR_NEG, 'N'), GET_FLAG(PSR_CARRY, 'C'),
+ env->psrs?'S':'-', env->psrps?'P':'-',
+ env->psret?'E':'-', env->wim);
+#endif
+ cpu_fprintf(f, "fsr: 0x%08x\n", GET_FSR32(env));
+}
+
#ifdef TARGET_SPARC64
#if !defined(CONFIG_USER_ONLY)
#include "qemu-common.h"
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-23 00:08:05 +0000