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Diffstat (limited to 'target-mips/translate_init.c')
-rw-r--r--target-mips/translate_init.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
index 85d5032a2b..d327312e55 100644
--- a/target-mips/translate_init.c
+++ b/target-mips/translate_init.c
@@ -86,7 +86,6 @@ static mips_def_t mips_defs[] =
.SYNCI_Step = 32,
.CCRes = 2,
.Status_rw_bitmask = 0x3278FF17,
- .SEGBITS = 32,
},
{
.name = "4KEcR1",
@@ -100,7 +99,6 @@ static mips_def_t mips_defs[] =
.SYNCI_Step = 32,
.CCRes = 2,
.Status_rw_bitmask = 0x3278FF17,
- .SEGBITS = 32,
},
{
.name = "4KEc",
@@ -114,7 +112,6 @@ static mips_def_t mips_defs[] =
.SYNCI_Step = 32,
.CCRes = 2,
.Status_rw_bitmask = 0x3278FF17,
- .SEGBITS = 32,
},
{
.name = "24Kc",
@@ -128,7 +125,6 @@ static mips_def_t mips_defs[] =
.SYNCI_Step = 32,
.CCRes = 2,
.Status_rw_bitmask = 0x3278FF17,
- .SEGBITS = 32,
},
{
.name = "24Kf",
@@ -144,7 +140,6 @@ static mips_def_t mips_defs[] =
.Status_rw_bitmask = 0x3678FF17,
.CP1_fcr0 = (1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
(1 << FCR0_D) | (1 << FCR0_S) | (0x93 << FCR0_PRID),
- .SEGBITS = 32,
},
#ifdef TARGET_MIPS64
{
@@ -293,8 +288,15 @@ int cpu_mips_register (CPUMIPSState *env, mips_def_t *def)
env->Status_rw_bitmask = def->Status_rw_bitmask;
env->fcr0 = def->CP1_fcr0;
#ifdef TARGET_MIPS64
- env->SEGBITS = def->SEGBITS;
- env->SEGMask = (3ULL << 62) | ((1ULL << def->SEGBITS) - 1);
+ if ((env->CP0_Config0 & (0x3 << CP0C0_AT)))
+ {
+ env->hflags |= MIPS_HFLAG_64;
+ env->SEGBITS = def->SEGBITS;
+ env->SEGMask = (3ULL << 62) | ((1ULL << def->SEGBITS) - 1);
+ } else {
+ env->SEGBITS = 32;
+ env->SEGMask = 0xFFFFFFFF;
+ }
#endif
#ifdef CONFIG_USER_ONLY
if (env->CP0_Config1 & (1 << CP0C1_FP))