#define CPU_SPARC_H
#include "config.h"
+#include "qemu-common.h"
#if !defined(TARGET_SPARC64)
#define TARGET_LONG_BITS 32
#define TARGET_FPREGS 32
#define TARGET_PAGE_BITS 12 /* 4k */
+#define TARGET_PHYS_ADDR_SPACE_BITS 36
+#define TARGET_VIRT_ADDR_SPACE_BITS 32
#else
#define TARGET_LONG_BITS 64
#define TARGET_FPREGS 64
#define TARGET_PAGE_BITS 13 /* 8k */
+#define TARGET_PHYS_ADDR_SPACE_BITS 41
+# ifdef TARGET_ABI32
+# define TARGET_VIRT_ADDR_SPACE_BITS 32
+# else
+# define TARGET_VIRT_ADDR_SPACE_BITS 44
+# endif
#endif
-#define TARGET_PHYS_ADDR_BITS 64
+#define CPUState struct CPUSPARCState
#include "cpu-defs.h"
#define TT_NCP_INSN 0x24
#define TT_TRAP 0x80
#else
+#define TT_POWER_ON_RESET 0x01
#define TT_TFAULT 0x08
#define TT_CODE_ACCESS 0x0a
#define TT_ILL_INSN 0x10
#define TT_DPROT 0x6c
#define TT_SPILL 0x80
#define TT_FILL 0xc0
-#define TT_WOTHER 0x10
+#define TT_WOTHER (1 << 5)
#define TT_TRAP 0x100
#endif
#define PSR_CARRY_SHIFT 20
#define PSR_CARRY (1 << PSR_CARRY_SHIFT)
#define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY)
+#if !defined(TARGET_SPARC64)
#define PSR_EF (1<<12)
#define PSR_PIL 0xf00
#define PSR_S (1<<7)
#define PSR_PS (1<<6)
#define PSR_ET (1<<5)
#define PSR_CWP 0x1f
+#endif
+
+#define CC_SRC (env->cc_src)
+#define CC_SRC2 (env->cc_src2)
+#define CC_DST (env->cc_dst)
+#define CC_OP (env->cc_op)
+
+enum {
+ CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */
+ CC_OP_FLAGS, /* all cc are back in status register */
+ CC_OP_DIV, /* modify N, Z and V, C = 0*/
+ CC_OP_ADD, /* modify all flags, CC_DST = res, CC_SRC = src1 */
+ CC_OP_ADDX, /* modify all flags, CC_DST = res, CC_SRC = src1 */
+ CC_OP_TADD, /* modify all flags, CC_DST = res, CC_SRC = src1 */
+ CC_OP_TADDTV, /* modify all flags except V, CC_DST = res, CC_SRC = src1 */
+ CC_OP_SUB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
+ CC_OP_SUBX, /* modify all flags, CC_DST = res, CC_SRC = src1 */
+ CC_OP_TSUB, /* modify all flags, CC_DST = res, CC_SRC = src1 */
+ CC_OP_TSUBTV, /* modify all flags except V, CC_DST = res, CC_SRC = src1 */
+ CC_OP_LOGIC, /* modify N and Z, C = V = 0, CC_DST = res */
+ CC_OP_NB,
+};
/* Trap base register */
#define TBR_BASE_MASK 0xfffff000
#if defined(TARGET_SPARC64)
-#define PS_IG (1<<11)
-#define PS_MG (1<<10)
+#define PS_TCT (1<<12) /* UA2007, impl.dep. trap on control transfer */
+#define PS_IG (1<<11) /* v9, zero on UA2007 */
+#define PS_MG (1<<10) /* v9, zero on UA2007 */
+#define PS_CLE (1<<9) /* UA2007 */
+#define PS_TLE (1<<8) /* UA2007 */
#define PS_RMO (1<<7)
-#define PS_RED (1<<5)
-#define PS_PEF (1<<4)
-#define PS_AM (1<<3)
+#define PS_RED (1<<5) /* v9, zero on UA2007 */
+#define PS_PEF (1<<4) /* enable fpu */
+#define PS_AM (1<<3) /* address mask */
#define PS_PRIV (1<<2)
#define PS_IE (1<<1)
-#define PS_AG (1<<0)
+#define PS_AG (1<<0) /* v9, zero on UA2007 */
#define FPRS_FEF (1<<2)
#if !defined(TARGET_SPARC64)
#define NB_MMU_MODES 2
#else
-#define NB_MMU_MODES 3
+#define NB_MMU_MODES 6
typedef struct trap_state {
uint64_t tpc;
uint64_t tnpc;
uint32_t mmu_cxr_mask;
uint32_t mmu_sfsr_mask;
uint32_t mmu_trcr_mask;
+ uint32_t mxcc_version;
uint32_t features;
uint32_t nwindows;
uint32_t maxtl;
};
#endif
+#define TTE_VALID_BIT (1ULL << 63)
+#define TTE_USED_BIT (1ULL << 41)
+#define TTE_LOCKED_BIT (1ULL << 6)
+#define TTE_GLOBAL_BIT (1ULL << 0)
+
+#define TTE_IS_VALID(tte) ((tte) & TTE_VALID_BIT)
+#define TTE_IS_USED(tte) ((tte) & TTE_USED_BIT)
+#define TTE_IS_LOCKED(tte) ((tte) & TTE_LOCKED_BIT)
+#define TTE_IS_GLOBAL(tte) ((tte) & TTE_GLOBAL_BIT)
+
+#define TTE_SET_USED(tte) ((tte) |= TTE_USED_BIT)
+#define TTE_SET_UNUSED(tte) ((tte) &= ~TTE_USED_BIT)
+
+typedef struct SparcTLBEntry {
+ uint64_t tag;
+ uint64_t tte;
+} SparcTLBEntry;
+
+struct CPUTimer
+{
+ const char *name;
+ uint32_t frequency;
+ uint32_t disabled;
+ uint64_t disabled_mask;
+ int64_t clock_offset;
+ struct QEMUTimer *qtimer;
+};
+
+typedef struct CPUTimer CPUTimer;
+
+struct QEMUFile;
+void cpu_put_timer(struct QEMUFile *f, CPUTimer *s);
+void cpu_get_timer(struct QEMUFile *f, CPUTimer *s);
+
typedef struct CPUSPARCState {
target_ulong gregs[8]; /* general registers */
target_ulong *regwptr; /* pointer to current register window */
/* emulator internal flags handling */
target_ulong cc_src, cc_src2;
target_ulong cc_dst;
+ uint32_t cc_op;
target_ulong t0, t1; /* temporaries live across basic blocks */
target_ulong cond; /* conditional branch result (XXX: save it in a
float32 fpr[TARGET_FPREGS]; /* floating point registers */
uint32_t cwp; /* index of current register window (extracted
from PSR) */
+#if !defined(TARGET_SPARC64) || defined(TARGET_ABI32)
uint32_t wim; /* window invalid mask */
+#endif
target_ulong tbr; /* trap base register */
+#if !defined(TARGET_SPARC64)
int psrs; /* supervisor mode (extracted from PSR) */
int psrps; /* previous supervisor mode */
int psret; /* enable traps */
+#endif
uint32_t psrpil; /* interrupt blocking level */
uint32_t pil_in; /* incoming interrupt level bitmap */
+#if !defined(TARGET_SPARC64)
int psref; /* enable fpu */
+#endif
target_ulong version;
int interrupt_index;
uint32_t nwindows;
uint64_t lsu;
#define DMMU_E 0x8
#define IMMU_E 0x4
- uint64_t immuregs[16];
- uint64_t dmmuregs[16];
- uint64_t itlb_tag[64];
- uint64_t itlb_tte[64];
- uint64_t dtlb_tag[64];
- uint64_t dtlb_tte[64];
+ //typedef struct SparcMMU
+ union {
+ uint64_t immuregs[16];
+ struct {
+ uint64_t tsb_tag_target;
+ uint64_t unused_mmu_primary_context; // use DMMU
+ uint64_t unused_mmu_secondary_context; // use DMMU
+ uint64_t sfsr;
+ uint64_t sfar;
+ uint64_t tsb;
+ uint64_t tag_access;
+ } immu;
+ };
+ union {
+ uint64_t dmmuregs[16];
+ struct {
+ uint64_t tsb_tag_target;
+ uint64_t mmu_primary_context;
+ uint64_t mmu_secondary_context;
+ uint64_t sfsr;
+ uint64_t sfar;
+ uint64_t tsb;
+ uint64_t tag_access;
+ } dmmu;
+ };
+ SparcTLBEntry itlb[64];
+ SparcTLBEntry dtlb[64];
uint32_t mmu_version;
#else
uint32_t mmuregs[32];
uint64_t mxccdata[4];
uint64_t mxccregs[8];
+ uint64_t mmubpregs[4];
uint64_t prom_addr;
#endif
/* temporary float registers */
#if defined(TARGET_SPARC64)
#define MAXTL_MAX 8
#define MAXTL_MASK (MAXTL_MAX - 1)
- trap_state *tsptr;
trap_state ts[MAXTL_MAX];
uint32_t xcc; /* Extended integer condition codes */
uint32_t asi;
uint64_t mgregs[8]; /* mmu general registers */
uint64_t fprs;
uint64_t tick_cmpr, stick_cmpr;
- void *tick, *stick;
+ CPUTimer *tick, *stick;
+#define TICK_NPT_MASK 0x8000000000000000ULL
+#define TICK_INT_DIS 0x8000000000000000ULL
uint64_t gsr;
uint32_t gl; // UA2005
/* UA 2005 hyperprivileged registers */
uint64_t hpstate, htstate[MAXTL_MAX], hintp, htba, hver, hstick_cmpr, ssr;
- void *hstick; // UA 2005
+ CPUTimer *hstick; // UA 2005
uint32_t softint;
-#define SOFTINT_TIMER 1
+#define SOFTINT_TIMER 1
+#define SOFTINT_STIMER (1 << 16)
+#define SOFTINT_INTRMASK (0xFFFE)
+#define SOFTINT_REG_MASK (SOFTINT_STIMER|SOFTINT_INTRMASK|SOFTINT_TIMER)
#endif
sparc_def_t *def;
} CPUSPARCState;
+#ifndef NO_CPU_IO_DEFS
/* helper.c */
CPUSPARCState *cpu_sparc_init(const char *cpu_model);
void cpu_sparc_set_id(CPUSPARCState *env, unsigned int cpu);
-void sparc_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt,
- ...));
-void cpu_lock(void);
-void cpu_unlock(void);
+void sparc_cpu_list(FILE *f, fprintf_function cpu_fprintf);
int cpu_sparc_handle_mmu_fault(CPUSPARCState *env1, target_ulong address, int rw,
int mmu_idx, int is_softmmu);
+#define cpu_handle_mmu_fault cpu_sparc_handle_mmu_fault
target_ulong mmu_probe(CPUSPARCState *env, target_ulong address, int mmulev);
-void dump_mmu(CPUSPARCState *env);
+void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUState *env);
/* translate.c */
void gen_intermediate_code_init(CPUSPARCState *env);
/* cpu-exec.c */
int cpu_sparc_exec(CPUSPARCState *s);
-#define GET_PSR(env) (env->version | (env->psr & PSR_ICC) | \
- (env->psref? PSR_EF : 0) | \
- (env->psrpil << 8) | \
- (env->psrs? PSR_S : 0) | \
- (env->psrps? PSR_PS : 0) | \
- (env->psret? PSR_ET : 0) | env->cwp)
-
-#ifndef NO_CPU_IO_DEFS
-static inline void memcpy32(target_ulong *dst, const target_ulong *src)
-{
- dst[0] = src[0];
- dst[1] = src[1];
- dst[2] = src[2];
- dst[3] = src[3];
- dst[4] = src[4];
- dst[5] = src[5];
- dst[6] = src[6];
- dst[7] = src[7];
-}
+/* op_helper.c */
+target_ulong cpu_get_psr(CPUState *env1);
+void cpu_put_psr(CPUState *env1, target_ulong val);
+#ifdef TARGET_SPARC64
+target_ulong cpu_get_ccr(CPUState *env1);
+void cpu_put_ccr(CPUState *env1, target_ulong val);
+target_ulong cpu_get_cwp64(CPUState *env1);
+void cpu_put_cwp64(CPUState *env1, int cwp);
+#endif
+int cpu_cwp_inc(CPUState *env1, int cwp);
+int cpu_cwp_dec(CPUState *env1, int cwp);
+void cpu_set_cwp(CPUState *env1, int new_cwp);
-static inline void cpu_set_cwp(CPUSPARCState *env1, int new_cwp)
-{
- /* put the modified wrap registers at their proper location */
- if (env1->cwp == env1->nwindows - 1)
- memcpy32(env1->regbase, env1->regbase + env1->nwindows * 16);
- env1->cwp = new_cwp;
- /* put the wrap registers at their temporary location */
- if (new_cwp == env1->nwindows - 1)
- memcpy32(env1->regbase + env1->nwindows * 16, env1->regbase);
- env1->regwptr = env1->regbase + (new_cwp * 16);
-}
+/* sun4m.c, sun4u.c */
+void cpu_check_irqs(CPUSPARCState *env);
-static inline int cpu_cwp_inc(CPUSPARCState *env1, int cwp)
-{
- if (unlikely(cwp >= env1->nwindows))
- cwp -= env1->nwindows;
- return cwp;
-}
+#if defined (TARGET_SPARC64)
-static inline int cpu_cwp_dec(CPUSPARCState *env1, int cwp)
+static inline int compare_masked(uint64_t x, uint64_t y, uint64_t mask)
{
- if (unlikely(cwp < 0))
- cwp += env1->nwindows;
- return cwp;
+ return (x & mask) == (y & mask);
}
-#endif
-
-#define PUT_PSR(env, val) do { int _tmp = val; \
- env->psr = _tmp & PSR_ICC; \
- env->psref = (_tmp & PSR_EF)? 1 : 0; \
- env->psrpil = (_tmp & PSR_PIL) >> 8; \
- env->psrs = (_tmp & PSR_S)? 1 : 0; \
- env->psrps = (_tmp & PSR_PS)? 1 : 0; \
- env->psret = (_tmp & PSR_ET)? 1 : 0; \
- cpu_set_cwp(env, _tmp & PSR_CWP); \
- } while (0)
-#ifdef TARGET_SPARC64
-#define GET_CCR(env) (((env->xcc >> 20) << 4) | ((env->psr & PSR_ICC) >> 20))
-#define PUT_CCR(env, val) do { int _tmp = val; \
- env->xcc = (_tmp >> 4) << 20; \
- env->psr = (_tmp & 0xf) << 20; \
- } while (0)
-#define GET_CWP64(env) (env->nwindows - 1 - (env)->cwp)
+#define MMU_CONTEXT_BITS 13
+#define MMU_CONTEXT_MASK ((1 << MMU_CONTEXT_BITS) - 1)
-#ifndef NO_CPU_IO_DEFS
-static inline void PUT_CWP64(CPUSPARCState *env1, int cwp)
+static inline int tlb_compare_context(const SparcTLBEntry *tlb,
+ uint64_t context)
{
- if (unlikely(cwp >= env1->nwindows || cwp < 0))
- cwp = 0;
- cpu_set_cwp(env1, env1->nwindows - 1 - cwp);
+ return compare_masked(context, tlb->tag, MMU_CONTEXT_MASK);
}
+
#endif
#endif
/* cpu-exec.c */
+#if !defined(CONFIG_USER_ONLY)
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
int is_asi, int size);
+target_phys_addr_t cpu_get_phys_page_nofault(CPUState *env, target_ulong addr,
+ int mmu_idx);
+
+#endif
int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc);
-#define CPUState CPUSPARCState
#define cpu_init cpu_sparc_init
#define cpu_exec cpu_sparc_exec
#define cpu_gen_code cpu_sparc_gen_code
#define cpu_signal_handler cpu_sparc_signal_handler
#define cpu_list sparc_cpu_list
-#define CPU_SAVE_VERSION 5
+#define CPU_SAVE_VERSION 6
/* MMU modes definitions */
+#if defined (TARGET_SPARC64)
+#define MMU_USER_IDX 0
#define MMU_MODE0_SUFFIX _user
-#define MMU_MODE1_SUFFIX _kernel
-#ifdef TARGET_SPARC64
-#define MMU_MODE2_SUFFIX _hypv
-#endif
+#define MMU_USER_SECONDARY_IDX 1
+#define MMU_MODE1_SUFFIX _user_secondary
+#define MMU_KERNEL_IDX 2
+#define MMU_MODE2_SUFFIX _kernel
+#define MMU_KERNEL_SECONDARY_IDX 3
+#define MMU_MODE3_SUFFIX _kernel_secondary
+#define MMU_NUCLEUS_IDX 4
+#define MMU_MODE4_SUFFIX _nucleus
+#define MMU_HYPV_IDX 5
+#define MMU_MODE5_SUFFIX _hypv
+#else
#define MMU_USER_IDX 0
+#define MMU_MODE0_SUFFIX _user
#define MMU_KERNEL_IDX 1
-#define MMU_HYPV_IDX 2
+#define MMU_MODE1_SUFFIX _kernel
+#endif
+
+#if defined (TARGET_SPARC64)
+static inline int cpu_has_hypervisor(CPUState *env1)
+{
+ return env1->def->features & CPU_FEATURE_HYPV;
+}
+
+static inline int cpu_hypervisor_mode(CPUState *env1)
+{
+ return cpu_has_hypervisor(env1) && (env1->hpstate & HS_PRIV);
+}
+
+static inline int cpu_supervisor_mode(CPUState *env1)
+{
+ return env1->pstate & PS_PRIV;
+}
+#endif
static inline int cpu_mmu_index(CPUState *env1)
{
#elif !defined(TARGET_SPARC64)
return env1->psrs;
#else
- if (!env1->psrs)
- return MMU_USER_IDX;
- else if ((env1->hpstate & HS_PRIV) == 0)
- return MMU_KERNEL_IDX;
- else
+ if (env1->tl > 0) {
+ return MMU_NUCLEUS_IDX;
+ } else if (cpu_hypervisor_mode(env1)) {
return MMU_HYPV_IDX;
+ } else if (cpu_supervisor_mode(env1)) {
+ return MMU_KERNEL_IDX;
+ } else {
+ return MMU_USER_IDX;
+ }
+#endif
+}
+
+static inline int cpu_interrupts_enabled(CPUState *env1)
+{
+#if !defined (TARGET_SPARC64)
+ if (env1->psret != 0)
+ return 1;
+#else
+ if (env1->pstate & PS_IE)
+ return 1;
+#endif
+
+ return 0;
+}
+
+static inline int cpu_pil_allowed(CPUState *env1, int pil)
+{
+#if !defined(TARGET_SPARC64)
+ /* level 15 is non-maskable on sparc v8 */
+ return pil == 15 || pil > env1->psrpil;
+#else
+ return pil > env1->psrpil;
#endif
}
#endif
#include "cpu-all.h"
-#include "exec-all.h"
-
-/* sum4m.c, sun4u.c */
-void cpu_check_irqs(CPUSPARCState *env);
#ifdef TARGET_SPARC64
/* sun4u.c */
-void cpu_tick_set_count(void *opaque, uint64_t count);
-uint64_t cpu_tick_get_count(void *opaque);
-void cpu_tick_set_limit(void *opaque, uint64_t limit);
+void cpu_tick_set_count(CPUTimer *timer, uint64_t count);
+uint64_t cpu_tick_get_count(CPUTimer *timer);
+void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit);
+trap_state* cpu_tsptr(CPUState* env);
#endif
-static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
-{
- env->pc = tb->pc;
- env->npc = tb->cs_base;
-}
-
static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
target_ulong *cs_base, int *flags)
{
*cs_base = env->npc;
#ifdef TARGET_SPARC64
// AM . Combined FPU enable bits . PRIV . DMMU enabled . IMMU enabled
- *flags = ((env->pstate & PS_AM) << 2)
- | (((env->pstate & PS_PEF) >> 1) | ((env->fprs & FPRS_FEF) << 2))
- | (env->pstate & PS_PRIV) | ((env->lsu & (DMMU_E | IMMU_E)) >> 2);
+ *flags = ((env->pstate & PS_AM) << 2) /* 5 */
+ | (((env->pstate & PS_PEF) >> 1) /* 3 */
+ | ((env->fprs & FPRS_FEF) << 2)) /* 4 */
+ | (env->pstate & PS_PRIV) /* 2 */
+ | ((env->lsu & (DMMU_E | IMMU_E)) >> 2) /* 1, 0 */
+ | ((env->tl & 0xff) << 8)
+ | (env->dmmu.mmu_primary_context << 16); /* 16... */
#else
// FPU enable . Supervisor
*flags = (env->psref << 4) | env->psrs;
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