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Fix Sparc lda/ldda/sta/stda asi handling, fault on misaligned register ldd/std and illegal cwp on wrpsr (Aurelien Jarno) 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2568 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2007-04-01 15:15:36 +00:00
parent fcc72045e8
commit d4218d996d
3 changed files with 40 additions and 2 deletions
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2
target-sparc/cpu.h
View File

@ -269,7 +269,7 @@ void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
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 & (NWINDOWS - 1)); \
cpu_set_cwp(env, _tmp & PSR_CWP); \
} while (0)
#ifdef TARGET_SPARC64

8
target-sparc/op_helper.c
View File

@ -615,6 +615,9 @@ void helper_rett()
{
unsigned int cwp;
if (env->psret == 1)
raise_exception(TT_ILL_INSN);
env->psret = 1;
cwp = (env->cwp + 1) & (NWINDOWS - 1);
if (env->wim & (1 << cwp)) {
@ -655,7 +658,10 @@ void helper_debug()
#ifndef TARGET_SPARC64
void do_wrpsr()
{
PUT_PSR(env, T0);
if ((T0 & PSR_CWP) >= NWINDOWS)
raise_exception(TT_ILL_INSN);
else
PUT_PSR(env, T0);
}
void do_rdpsr()

32
target-sparc/translate.c
View File

@ -2341,6 +2341,8 @@ static void disas_sparc_insn(DisasContext * dc)
gen_op_ldst(lduh);
break;
case 0x3: /* load double word */
if (rd & 1)
goto illegal_insn;
gen_op_ldst(ldd);
gen_movl_T0_reg(rd + 1);
break;
@ -2360,6 +2362,8 @@ static void disas_sparc_insn(DisasContext * dc)
#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
case 0x10: /* load word alternate */
#ifndef TARGET_SPARC64
if (IS_IMM)
goto illegal_insn;
if (!supervisor(dc))
goto priv_insn;
#endif
@ -2367,6 +2371,8 @@ static void disas_sparc_insn(DisasContext * dc)
break;
case 0x11: /* load unsigned byte alternate */
#ifndef TARGET_SPARC64
if (IS_IMM)
goto illegal_insn;
if (!supervisor(dc))
goto priv_insn;
#endif
@ -2374,6 +2380,8 @@ static void disas_sparc_insn(DisasContext * dc)
break;
case 0x12: /* load unsigned halfword alternate */
#ifndef TARGET_SPARC64
if (IS_IMM)
goto illegal_insn;
if (!supervisor(dc))
goto priv_insn;
#endif
@ -2381,14 +2389,20 @@ static void disas_sparc_insn(DisasContext * dc)
break;
case 0x13: /* load double word alternate */
#ifndef TARGET_SPARC64
if (IS_IMM)
goto illegal_insn;
if (!supervisor(dc))
goto priv_insn;
#endif
if (rd & 1)
goto illegal_insn;
gen_op_ldda(insn, 1, 8, 0);
gen_movl_T0_reg(rd + 1);
break;
case 0x19: /* load signed byte alternate */
#ifndef TARGET_SPARC64
if (IS_IMM)
goto illegal_insn;
if (!supervisor(dc))
goto priv_insn;
#endif
@ -2396,6 +2410,8 @@ static void disas_sparc_insn(DisasContext * dc)
break;
case 0x1a: /* load signed halfword alternate */
#ifndef TARGET_SPARC64
if (IS_IMM)
goto illegal_insn;
if (!supervisor(dc))
goto priv_insn;
#endif
@ -2403,6 +2419,8 @@ static void disas_sparc_insn(DisasContext * dc)
break;
case 0x1d: /* ldstuba -- XXX: should be atomically */
#ifndef TARGET_SPARC64
if (IS_IMM)
goto illegal_insn;
if (!supervisor(dc))
goto priv_insn;
#endif
@ -2410,6 +2428,8 @@ static void disas_sparc_insn(DisasContext * dc)
break;
case 0x1f: /* swap reg with alt. memory. Also atomically */
#ifndef TARGET_SPARC64
if (IS_IMM)
goto illegal_insn;
if (!supervisor(dc))
goto priv_insn;
#endif
@ -2508,6 +2528,8 @@ static void disas_sparc_insn(DisasContext * dc)
gen_op_ldst(sth);
break;
case 0x7:
if (rd & 1)
goto illegal_insn;
flush_T2(dc);
gen_movl_reg_T2(rd + 1);
gen_op_ldst(std);
@ -2515,6 +2537,8 @@ static void disas_sparc_insn(DisasContext * dc)
#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
case 0x14:
#ifndef TARGET_SPARC64
if (IS_IMM)
goto illegal_insn;
if (!supervisor(dc))
goto priv_insn;
#endif
@ -2522,6 +2546,8 @@ static void disas_sparc_insn(DisasContext * dc)
break;
case 0x15:
#ifndef TARGET_SPARC64
if (IS_IMM)
goto illegal_insn;
if (!supervisor(dc))
goto priv_insn;
#endif
@ -2529,6 +2555,8 @@ static void disas_sparc_insn(DisasContext * dc)
break;
case 0x16:
#ifndef TARGET_SPARC64
if (IS_IMM)
goto illegal_insn;
if (!supervisor(dc))
goto priv_insn;
#endif
@ -2536,9 +2564,13 @@ static void disas_sparc_insn(DisasContext * dc)
break;
case 0x17:
#ifndef TARGET_SPARC64
if (IS_IMM)
goto illegal_insn;
if (!supervisor(dc))
goto priv_insn;
#endif
if (rd & 1)
goto illegal_insn;
flush_T2(dc);
gen_movl_reg_T2(rd + 1);
gen_op_stda(insn, 0, 8, 0);