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Fix retry and done ops, trap handling 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3055 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2007-07-08 19:51:24 +00:00
parent 1ad21e6969
commit 8f1f22f6ab
2 changed files with 20 additions and 11 deletions
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6
target-sparc/cpu.h
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@ -294,10 +294,8 @@ void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
env->psr = (_tmp & 0xf) << 20; \
} while (0)
#define GET_CWP64(env) (NWINDOWS - 1 - (env)->cwp)
#define PUT_CWP64(env, val) do { \
env->cwp = NWINDOWS - 1 - ((val) & 0xff); \
cpu_set_cwp(env, env->cwp); \
} while(0)
#define PUT_CWP64(env, val) \
cpu_set_cwp(env, NWINDOWS - 1 - ((val) & (NWINDOWS - 1)))
#endif

25
target-sparc/op_helper.c
View File

@ -845,12 +845,11 @@ static inline uint64_t *get_gregset(uint64_t pstate)
}
}
void do_wrpstate()
static inline void change_pstate(uint64_t new_pstate)
{
uint64_t new_pstate, pstate_regs, new_pstate_regs;
uint64_t pstate_regs, new_pstate_regs;
uint64_t *src, *dst;
new_pstate = T0 & 0xf3f;
pstate_regs = env->pstate & 0xc01;
new_pstate_regs = new_pstate & 0xc01;
if (new_pstate_regs != pstate_regs) {
@ -863,6 +862,11 @@ void do_wrpstate()
env->pstate = new_pstate;
}
void do_wrpstate(void)
{
change_pstate(T0 & 0xf3f);
}
void do_done(void)
{
env->tl--;
@ -870,7 +874,7 @@ void do_done(void)
env->npc = env->tnpc[env->tl] + 4;
PUT_CCR(env, env->tstate[env->tl] >> 32);
env->asi = (env->tstate[env->tl] >> 24) & 0xff;
env->pstate = (env->tstate[env->tl] >> 8) & 0xfff;
change_pstate((env->tstate[env->tl] >> 8) & 0xf3f);
PUT_CWP64(env, env->tstate[env->tl] & 0xff);
}
@ -881,7 +885,7 @@ void do_retry(void)
env->npc = env->tnpc[env->tl];
PUT_CCR(env, env->tstate[env->tl] >> 32);
env->asi = (env->tstate[env->tl] >> 24) & 0xff;
env->pstate = (env->tstate[env->tl] >> 8) & 0xfff;
change_pstate((env->tstate[env->tl] >> 8) & 0xf3f);
PUT_CWP64(env, env->tstate[env->tl] & 0xff);
}
#endif
@ -952,11 +956,18 @@ void do_interrupt(int intno)
}
#endif
env->tstate[env->tl] = ((uint64_t)GET_CCR(env) << 32) | ((env->asi & 0xff) << 24) |
((env->pstate & 0xfff) << 8) | GET_CWP64(env);
((env->pstate & 0xf3f) << 8) | GET_CWP64(env);
env->tpc[env->tl] = env->pc;
env->tnpc[env->tl] = env->npc;
env->tt[env->tl] = intno;
env->pstate = PS_PEF | PS_PRIV | PS_AG;
change_pstate(PS_PEF | PS_PRIV | PS_AG);
if (intno == TT_CLRWIN)
set_cwp((env->cwp - 1) & (NWINDOWS - 1));
else if ((intno & 0x1c0) == TT_SPILL)
set_cwp((env->cwp - env->cansave - 2) & (NWINDOWS - 1));
else if ((intno & 0x1c0) == TT_FILL)
set_cwp((env->cwp + 1) & (NWINDOWS - 1));
env->tbr &= ~0x7fffULL;
env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
if (env->tl < MAXTL - 1) {