diff options
Diffstat (limited to 'target-sparc/op_helper.c')
| -rw-r--r-- | target-sparc/op_helper.c | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c index ef3504fad1..f5e46333e1 100644 --- a/target-sparc/op_helper.c +++ b/target-sparc/op_helper.c @@ -247,6 +247,42 @@ static inline target_ulong address_mask(CPUState *env1, target_ulong addr) return addr; } +/* returns true if access using this ASI is to have address translated by MMU + otherwise access is to raw physical address */ +static inline int is_translating_asi(int asi) +{ +#ifdef TARGET_SPARC64 + /* Ultrasparc IIi translating asi + - note this list is defined by cpu implementation + */ + switch (asi) { + case 0x04 ... 0x11: + case 0x18 ... 0x19: + case 0x24 ... 0x2C: + case 0x70 ... 0x73: + case 0x78 ... 0x79: + case 0x80 ... 0xFF: + return 1; + + default: + return 0; + } +#else + /* TODO: check sparc32 bits */ + return 0; +#endif +} + +static inline target_ulong asi_address_mask(CPUState *env1, + int asi, target_ulong addr) +{ + if (is_translating_asi(asi)) { + return address_mask(env, addr); + } else { + return addr; + } +} + static void raise_exception(int tt) { env->exception_index = tt; @@ -2151,7 +2187,7 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) raise_exception(TT_PRIV_ACT); helper_check_align(addr, size - 1); - addr = address_mask(env, addr); + addr = asi_address_mask(env, asi, addr); switch (asi) { case 0x82: // Primary no-fault @@ -2254,7 +2290,7 @@ void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) raise_exception(TT_PRIV_ACT); helper_check_align(addr, size - 1); - addr = address_mask(env, addr); + addr = asi_address_mask(env, asi, addr); /* Convert to little endian */ switch (asi) { @@ -2331,6 +2367,8 @@ uint64_t helper_ld_asi(target_ulong addr, int asi, int size, int sign) raise_exception(TT_PRIV_ACT); helper_check_align(addr, size - 1); + addr = asi_address_mask(env, asi, addr); + switch (asi) { case 0x82: // Primary no-fault case 0x8a: // Primary no-fault LE @@ -2682,6 +2720,8 @@ void helper_st_asi(target_ulong addr, target_ulong val, int asi, int size) raise_exception(TT_PRIV_ACT); helper_check_align(addr, size - 1); + addr = asi_address_mask(env, asi, addr); + /* Convert to little endian */ switch (asi) { case 0x0c: // Nucleus Little Endian (LE) @@ -3056,6 +3096,8 @@ void helper_ldda_asi(target_ulong addr, int asi, int rd) && !(env->hpstate & HS_PRIV))) raise_exception(TT_PRIV_ACT); + addr = asi_address_mask(env, asi, addr); + switch (asi) { #if !defined(CONFIG_USER_ONLY) case 0x24: // Nucleus quad LDD 128 bit atomic @@ -3103,6 +3145,8 @@ void helper_ldf_asi(target_ulong addr, int asi, int size, int rd) target_ulong val; helper_check_align(addr, 3); + addr = asi_address_mask(env, asi, addr); + switch (asi) { case 0xf0: // Block load primary case 0xf1: // Block load secondary @@ -3145,6 +3189,8 @@ void helper_stf_asi(target_ulong addr, int asi, int size, int rd) target_ulong val = 0; helper_check_align(addr, 3); + addr = asi_address_mask(env, asi, addr); + switch (asi) { case 0xe0: // UA2007 Block commit store primary (cache flush) case 0xe1: // UA2007 Block commit store secondary (cache flush) |