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| author | Richard Henderson <richard.henderson@linaro.org> | 2017-10-11 08:54:49 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-01-30 10:08:18 -0800 |
| commit | f49b3537cb28b98284f6ce893ef7240a3cacded3 (patch) | |
| tree | 11ba5dc8cb901dfd3e26de1df3d6cbd90052ca80 /target/hppa/op_helper.c | |
| parent | 7f221b0706f7ab8359cb9008650dc7370238839c (diff) | |
| download | qemu-f49b3537cb28b98284f6ce893ef7240a3cacded3.tar.gz | |
target/hppa: Implement rfi
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/hppa/op_helper.c')
| -rw-r--r-- | target/hppa/op_helper.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/target/hppa/op_helper.c b/target/hppa/op_helper.c index 1d56ba497b..cf9fe46942 100644 --- a/target/hppa/op_helper.c +++ b/target/hppa/op_helper.c @@ -614,4 +614,28 @@ target_ureg HELPER(swap_system_mask)(CPUHPPAState *env, target_ureg nsm) env->psw = (psw & ~PSW_SM) | (nsm & PSW_SM); return psw & PSW_SM; } + +void HELPER(rfi)(CPUHPPAState *env) +{ + /* ??? On second reading this condition simply seems + to be undefined rather than a diagnosed trap. */ + if (env->psw & (PSW_I | PSW_R | PSW_Q)) { + helper_excp(env, EXCP_ILL); + } + env->iaoq_f = env->cr[CR_IIAOQ]; + env->iaoq_b = env->cr_back[1]; + cpu_hppa_put_psw(env, env->cr[CR_IPSW]); +} + +void HELPER(rfi_r)(CPUHPPAState *env) +{ + env->gr[1] = env->shadow[0]; + env->gr[8] = env->shadow[1]; + env->gr[9] = env->shadow[2]; + env->gr[16] = env->shadow[3]; + env->gr[17] = env->shadow[4]; + env->gr[24] = env->shadow[5]; + env->gr[25] = env->shadow[6]; + helper_rfi(env); +} #endif |