diff options
| author | blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-07-08 19:51:24 +0000 |
|---|---|---|
| committer | blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-07-08 19:51:24 +0000 |
| commit | 8f1f22f6abc7af1e5ecc8d83698514999e0284e4 (patch) | |
| tree | 21f9f28e8559f283bd6b2a2a92b680282dfc0dce /target-sparc | |
| parent | 1ad21e69696d585f0cf70e3207f74757fe296b92 (diff) | |
Fix retry and done ops, trap handling
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3055 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-sparc')
| -rw-r--r-- | target-sparc/cpu.h | 6 | ||||
| -rw-r--r-- | target-sparc/op_helper.c | 25 |
2 files changed, 20 insertions, 11 deletions
diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h index 06b5865e22..600b37ba5e 100644 --- a/target-sparc/cpu.h +++ b/target-sparc/cpu.h @@ -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 diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c index cd9372716f..21b1178a98 100644 --- a/target-sparc/op_helper.c +++ b/target-sparc/op_helper.c @@ -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) { |