diff options
Diffstat (limited to 'target-sparc/helper.c')
| -rw-r--r-- | target-sparc/helper.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/target-sparc/helper.c b/target-sparc/helper.c index 2f41418c85..cd067df1df 100644 --- a/target-sparc/helper.c +++ b/target-sparc/helper.c @@ -369,6 +369,13 @@ void dump_mmu(CPUState *env) #endif /* DEBUG_MMU */ #else /* !TARGET_SPARC64 */ + +// 41 bit physical address space +static inline target_phys_addr_t ultrasparc_truncate_physical(uint64_t x) +{ + return x & 0x1ffffffffffULL; +} + /* * UltraSparc IIi I/DMMUs */ @@ -380,7 +387,7 @@ static int get_physical_address_data(CPUState *env, unsigned int i; if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */ - *physical = address; + *physical = ultrasparc_truncate_physical(address); *prot = PAGE_READ | PAGE_WRITE; return 0; } @@ -442,8 +449,9 @@ static int get_physical_address_code(CPUState *env, target_ulong mask; unsigned int i; - if ((env->lsu & IMMU_E) == 0) { /* IMMU disabled */ - *physical = address; + if ((env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0) { + /* IMMU disabled */ + *physical = ultrasparc_truncate_physical(address); *prot = PAGE_EXEC; return 0; } |