diff options
| author | Artyom Tarasenko <atar4qemu@gmail.com> | 2016-06-09 11:03:33 +0200 |
|---|---|---|
| committer | Artyom Tarasenko <atar4qemu@gmail.com> | 2017-01-18 22:03:44 +0100 |
| commit | 7cd39ef234a7e2eea45a08cd15f920da5f1ba008 (patch) | |
| tree | a2e37e729045619b8cb51ae4d69eac51c2cca48f /target/sparc/ldst_helper.c | |
| parent | 84f8f5876628963e67f66edde8a71208c4274ac8 (diff) | |
target-sparc: allow priveleged ASIs in hyperprivileged mode
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Diffstat (limited to 'target/sparc/ldst_helper.c')
| -rw-r--r-- | target/sparc/ldst_helper.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/target/sparc/ldst_helper.c b/target/sparc/ldst_helper.c index 2e6439a6d9..ade4fb0541 100644 --- a/target/sparc/ldst_helper.c +++ b/target/sparc/ldst_helper.c @@ -293,6 +293,22 @@ static inline target_ulong asi_address_mask(CPUSPARCState *env, } return addr; } + +#ifndef CONFIG_USER_ONLY +static inline void do_check_asi(CPUSPARCState *env, int asi, uintptr_t ra) +{ + /* ASIs >= 0x80 are user mode. + * ASIs >= 0x30 are hyper mode (or super if hyper is not available). + * ASIs <= 0x2f are super mode. + */ + if (asi < 0x80 + && !cpu_hypervisor_mode(env) + && (!cpu_supervisor_mode(env) + || (asi >= 0x30 && cpu_has_hypervisor(env)))) { + cpu_raise_exception_ra(env, TT_PRIV_ACT, ra); + } +} +#endif /* !CONFIG_USER_ONLY */ #endif static void do_check_align(CPUSPARCState *env, target_ulong addr, @@ -1118,13 +1134,7 @@ uint64_t helper_ld_asi(CPUSPARCState *env, target_ulong addr, asi &= 0xff; - if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) - || (cpu_has_hypervisor(env) - && asi >= 0x30 && asi < 0x80 - && !(env->hpstate & HS_PRIV))) { - cpu_raise_exception_ra(env, TT_PRIV_ACT, GETPC()); - } - + do_check_asi(env, asi, GETPC()); do_check_align(env, addr, size - 1, GETPC()); addr = asi_address_mask(env, asi, addr); @@ -1423,13 +1433,7 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, target_ulong val, asi &= 0xff; - if ((asi < 0x80 && (env->pstate & PS_PRIV) == 0) - || (cpu_has_hypervisor(env) - && asi >= 0x30 && asi < 0x80 - && !(env->hpstate & HS_PRIV))) { - cpu_raise_exception_ra(env, TT_PRIV_ACT, GETPC()); - } - + do_check_asi(env, asi, GETPC()); do_check_align(env, addr, size - 1, GETPC()); addr = asi_address_mask(env, asi, addr); |