Sparc: split CWP and PSTATE op helpers

Move CWP and PSTATE op helpers to win_helper.c.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 1 insertions, 488 deletions

diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index 18a00d4cea..cb0bf2e2a6 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -333,140 +333,6 @@ void helper_check_align(target_ulong addr, uint32_t align)
     }
 }
 
-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];
-}
-
-static void set_cwp(int new_cwp)
-{
-    /* put the modified wrap registers at their proper location */
-    if (env->cwp == env->nwindows - 1) {
-        memcpy32(env->regbase, env->regbase + env->nwindows * 16);
-    }
-    env->cwp = new_cwp;
-
-    /* put the wrap registers at their temporary location */
-    if (new_cwp == env->nwindows - 1) {
-        memcpy32(env->regbase + env->nwindows * 16, env->regbase);
-    }
-    env->regwptr = env->regbase + (new_cwp * 16);
-}
-
-void cpu_set_cwp(CPUState *env1, int new_cwp)
-{
-    CPUState *saved_env;
-
-    saved_env = env;
-    env = env1;
-    set_cwp(new_cwp);
-    env = saved_env;
-}
-
-static target_ulong get_psr(void)
-{
-    helper_compute_psr(env);
-
-#if !defined (TARGET_SPARC64)
-    return 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;
-#else
-    return env->psr & PSR_ICC;
-#endif
-}
-
-target_ulong cpu_get_psr(CPUState *env1)
-{
-    CPUState *saved_env;
-    target_ulong ret;
-
-    saved_env = env;
-    env = env1;
-    ret = get_psr();
-    env = saved_env;
-    return ret;
-}
-
-static void put_psr(target_ulong val)
-{
-    env->psr = val & PSR_ICC;
-#if !defined (TARGET_SPARC64)
-    env->psref = (val & PSR_EF) ? 1 : 0;
-    env->psrpil = (val & PSR_PIL) >> 8;
-#endif
-#if ((!defined (TARGET_SPARC64)) && !defined(CONFIG_USER_ONLY))
-    cpu_check_irqs(env);
-#endif
-#if !defined (TARGET_SPARC64)
-    env->psrs = (val & PSR_S) ? 1 : 0;
-    env->psrps = (val & PSR_PS) ? 1 : 0;
-    env->psret = (val & PSR_ET) ? 1 : 0;
-    set_cwp(val & PSR_CWP);
-#endif
-    env->cc_op = CC_OP_FLAGS;
-}
-
-void cpu_put_psr(CPUState *env1, target_ulong val)
-{
-    CPUState *saved_env;
-
-    saved_env = env;
-    env = env1;
-    put_psr(val);
-    env = saved_env;
-}
-
-static int cwp_inc(int cwp)
-{
-    if (unlikely(cwp >= env->nwindows)) {
-        cwp -= env->nwindows;
-    }
-    return cwp;
-}
-
-int cpu_cwp_inc(CPUState *env1, int cwp)
-{
-    CPUState *saved_env;
-    target_ulong ret;
-
-    saved_env = env;
-    env = env1;
-    ret = cwp_inc(cwp);
-    env = saved_env;
-    return ret;
-}
-
-static int cwp_dec(int cwp)
-{
-    if (unlikely(cwp < 0)) {
-        cwp += env->nwindows;
-    }
-    return cwp;
-}
-
-int cpu_cwp_dec(CPUState *env1, int cwp)
-{
-    CPUState *saved_env;
-    target_ulong ret;
-
-    saved_env = env;
-    env = env1;
-    ret = cwp_dec(cwp);
-    env = saved_env;
-    return ret;
-}
-
 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY) &&   \
     defined(DEBUG_MXCC)
 static void dump_mxcc(CPUState *env)
@@ -2393,25 +2259,6 @@ target_ulong helper_casx_asi(target_ulong addr, target_ulong val1,
 }
 #endif /* TARGET_SPARC64 */
 
-#ifndef TARGET_SPARC64
-void helper_rett(void)
-{
-    unsigned int cwp;
-
-    if (env->psret == 1) {
-        helper_raise_exception(env, TT_ILL_INSN);
-    }
-
-    env->psret = 1;
-    cwp = cwp_inc(env->cwp + 1) ;
-    if (env->wim & (1 << cwp)) {
-        helper_raise_exception(env, TT_WIN_UNF);
-    }
-    set_cwp(cwp);
-    env->psrs = env->psrps;
-}
-#endif
-
 static target_ulong helper_udiv_common(target_ulong a, target_ulong b, int cc)
 {
     int overflow = 0;
@@ -2608,341 +2455,7 @@ void helper_stqf(target_ulong addr, int mem_idx)
 #endif
 }
 
-#ifndef TARGET_SPARC64
-/* XXX: use another pointer for %iN registers to avoid slow wrapping
-   handling ? */
-void helper_save(void)
-{
-    uint32_t cwp;
-
-    cwp = cwp_dec(env->cwp - 1);
-    if (env->wim & (1 << cwp)) {
-        helper_raise_exception(env, TT_WIN_OVF);
-    }
-    set_cwp(cwp);
-}
-
-void helper_restore(void)
-{
-    uint32_t cwp;
-
-    cwp = cwp_inc(env->cwp + 1);
-    if (env->wim & (1 << cwp)) {
-        helper_raise_exception(env, TT_WIN_UNF);
-    }
-    set_cwp(cwp);
-}
-
-void helper_wrpsr(target_ulong new_psr)
-{
-    if ((new_psr & PSR_CWP) >= env->nwindows) {
-        helper_raise_exception(env, TT_ILL_INSN);
-    } else {
-        cpu_put_psr(env, new_psr);
-    }
-}
-
-target_ulong helper_rdpsr(void)
-{
-    return get_psr();
-}
-
-#else
-/* XXX: use another pointer for %iN registers to avoid slow wrapping
-   handling ? */
-void helper_save(void)
-{
-    uint32_t cwp;
-
-    cwp = cwp_dec(env->cwp - 1);
-    if (env->cansave == 0) {
-        helper_raise_exception(env, TT_SPILL | (env->otherwin != 0 ?
-                                                (TT_WOTHER |
-                                                 ((env->wstate & 0x38) >> 1)) :
-                                                ((env->wstate & 0x7) << 2)));
-    } else {
-        if (env->cleanwin - env->canrestore == 0) {
-            /* XXX Clean windows without trap */
-            helper_raise_exception(env, TT_CLRWIN);
-        } else {
-            env->cansave--;
-            env->canrestore++;
-            set_cwp(cwp);
-        }
-    }
-}
-
-void helper_restore(void)
-{
-    uint32_t cwp;
-
-    cwp = cwp_inc(env->cwp + 1);
-    if (env->canrestore == 0) {
-        helper_raise_exception(env, TT_FILL | (env->otherwin != 0 ?
-                                               (TT_WOTHER |
-                                                ((env->wstate & 0x38) >> 1)) :
-                                               ((env->wstate & 0x7) << 2)));
-    } else {
-        env->cansave++;
-        env->canrestore--;
-        set_cwp(cwp);
-    }
-}
-
-void helper_flushw(void)
-{
-    if (env->cansave != env->nwindows - 2) {
-        helper_raise_exception(env, TT_SPILL | (env->otherwin != 0 ?
-                                                (TT_WOTHER |
-                                                 ((env->wstate & 0x38) >> 1)) :
-                                                ((env->wstate & 0x7) << 2)));
-    }
-}
-
-void helper_saved(void)
-{
-    env->cansave++;
-    if (env->otherwin == 0) {
-        env->canrestore--;
-    } else {
-        env->otherwin--;
-    }
-}
-
-void helper_restored(void)
-{
-    env->canrestore++;
-    if (env->cleanwin < env->nwindows - 1) {
-        env->cleanwin++;
-    }
-    if (env->otherwin == 0) {
-        env->cansave--;
-    } else {
-        env->otherwin--;
-    }
-}
-
-static target_ulong get_ccr(void)
-{
-    target_ulong psr;
-
-    psr = get_psr();
-
-    return ((env->xcc >> 20) << 4) | ((psr & PSR_ICC) >> 20);
-}
-
-target_ulong cpu_get_ccr(CPUState *env1)
-{
-    CPUState *saved_env;
-    target_ulong ret;
-
-    saved_env = env;
-    env = env1;
-    ret = get_ccr();
-    env = saved_env;
-    return ret;
-}
-
-static void put_ccr(target_ulong val)
-{
-    env->xcc = (val >> 4) << 20;
-    env->psr = (val & 0xf) << 20;
-    CC_OP = CC_OP_FLAGS;
-}
-
-void cpu_put_ccr(CPUState *env1, target_ulong val)
-{
-    CPUState *saved_env;
-
-    saved_env = env;
-    env = env1;
-    put_ccr(val);
-    env = saved_env;
-}
-
-static target_ulong get_cwp64(void)
-{
-    return env->nwindows - 1 - env->cwp;
-}
-
-target_ulong cpu_get_cwp64(CPUState *env1)
-{
-    CPUState *saved_env;
-    target_ulong ret;
-
-    saved_env = env;
-    env = env1;
-    ret = get_cwp64();
-    env = saved_env;
-    return ret;
-}
-
-static void put_cwp64(int cwp)
-{
-    if (unlikely(cwp >= env->nwindows || cwp < 0)) {
-        cwp %= env->nwindows;
-    }
-    set_cwp(env->nwindows - 1 - cwp);
-}
-
-void cpu_put_cwp64(CPUState *env1, int cwp)
-{
-    CPUState *saved_env;
-
-    saved_env = env;
-    env = env1;
-    put_cwp64(cwp);
-    env = saved_env;
-}
-
-target_ulong helper_rdccr(void)
-{
-    return get_ccr();
-}
-
-void helper_wrccr(target_ulong new_ccr)
-{
-    put_ccr(new_ccr);
-}
-
-/* CWP handling is reversed in V9, but we still use the V8 register
-   order. */
-target_ulong helper_rdcwp(void)
-{
-    return get_cwp64();
-}
-
-void helper_wrcwp(target_ulong new_cwp)
-{
-    put_cwp64(new_cwp);
-}
-
-static inline uint64_t *get_gregset(uint32_t pstate)
-{
-    switch (pstate) {
-    default:
-        DPRINTF_PSTATE("ERROR in get_gregset: active pstate bits=%x%s%s%s\n",
-                       pstate,
-                       (pstate & PS_IG) ? " IG" : "",
-                       (pstate & PS_MG) ? " MG" : "",
-                       (pstate & PS_AG) ? " AG" : "");
-        /* pass through to normal set of global registers */
-    case 0:
-        return env->bgregs;
-    case PS_AG:
-        return env->agregs;
-    case PS_MG:
-        return env->mgregs;
-    case PS_IG:
-        return env->igregs;
-    }
-}
-
-static inline void change_pstate(uint32_t new_pstate)
-{
-    uint32_t pstate_regs, new_pstate_regs;
-    uint64_t *src, *dst;
-
-    if (env->def->features & CPU_FEATURE_GL) {
-        /* PS_AG is not implemented in this case */
-        new_pstate &= ~PS_AG;
-    }
-
-    pstate_regs = env->pstate & 0xc01;
-    new_pstate_regs = new_pstate & 0xc01;
-
-    if (new_pstate_regs != pstate_regs) {
-        DPRINTF_PSTATE("change_pstate: switching regs old=%x new=%x\n",
-                       pstate_regs, new_pstate_regs);
-        /* Switch global register bank */
-        src = get_gregset(new_pstate_regs);
-        dst = get_gregset(pstate_regs);
-        memcpy32(dst, env->gregs);
-        memcpy32(env->gregs, src);
-    } else {
-        DPRINTF_PSTATE("change_pstate: regs new=%x (unchanged)\n",
-                       new_pstate_regs);
-    }
-    env->pstate = new_pstate;
-}
-
-void helper_wrpstate(target_ulong new_state)
-{
-    change_pstate(new_state & 0xf3f);
-
-#if !defined(CONFIG_USER_ONLY)
-    if (cpu_interrupts_enabled(env)) {
-        cpu_check_irqs(env);
-    }
-#endif
-}
-
-void cpu_change_pstate(CPUState *env1, uint32_t new_pstate)
-{
-    CPUState *saved_env;
-
-    saved_env = env;
-    env = env1;
-    change_pstate(new_pstate);
-    env = saved_env;
-}
-
-void helper_wrpil(target_ulong new_pil)
-{
-#if !defined(CONFIG_USER_ONLY)
-    DPRINTF_PSTATE("helper_wrpil old=%x new=%x\n",
-                   env->psrpil, (uint32_t)new_pil);
-
-    env->psrpil = new_pil;
-
-    if (cpu_interrupts_enabled(env)) {
-        cpu_check_irqs(env);
-    }
-#endif
-}
-
-void helper_done(void)
-{
-    trap_state *tsptr = cpu_tsptr(env);
-
-    env->pc = tsptr->tnpc;
-    env->npc = tsptr->tnpc + 4;
-    put_ccr(tsptr->tstate >> 32);
-    env->asi = (tsptr->tstate >> 24) & 0xff;
-    change_pstate((tsptr->tstate >> 8) & 0xf3f);
-    put_cwp64(tsptr->tstate & 0xff);
-    env->tl--;
-
-    DPRINTF_PSTATE("... helper_done tl=%d\n", env->tl);
-
-#if !defined(CONFIG_USER_ONLY)
-    if (cpu_interrupts_enabled(env)) {
-        cpu_check_irqs(env);
-    }
-#endif
-}
-
-void helper_retry(void)
-{
-    trap_state *tsptr = cpu_tsptr(env);
-
-    env->pc = tsptr->tpc;
-    env->npc = tsptr->tnpc;
-    put_ccr(tsptr->tstate >> 32);
-    env->asi = (tsptr->tstate >> 24) & 0xff;
-    change_pstate((tsptr->tstate >> 8) & 0xf3f);
-    put_cwp64(tsptr->tstate & 0xff);
-    env->tl--;
-
-    DPRINTF_PSTATE("... helper_retry tl=%d\n", env->tl);
-
-#if !defined(CONFIG_USER_ONLY)
-    if (cpu_interrupts_enabled(env)) {
-        cpu_check_irqs(env);
-    }
-#endif
-}
-
+#ifdef TARGET_SPARC64
 static void do_modify_softint(const char *operation, uint32_t value)
 {
     if (env->softint != value) {