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| author | Helge Deller <deller@gmx.de> | 2025-01-29 04:28:57 +0100 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2025-01-30 13:37:20 +0100 |
| commit | f7aa7fa97ce7d66d9255d663aa9df46f3505b137 (patch) | |
| tree | c37b2b2e5191eba2acb63aca63b786b66cb7f06c | |
| parent | 009e0927f3d8cc852a6fee928dca52b5e9bd2ced (diff) | |
| download | qemu-f7aa7fa97ce7d66d9255d663aa9df46f3505b137.zip qemu-f7aa7fa97ce7d66d9255d663aa9df46f3505b137.tar.gz qemu-f7aa7fa97ce7d66d9255d663aa9df46f3505b137.tar.bz2 | |
target/hppa: Add instruction decoding for mfdiag and mtdiag
Add 32- and 64-bit instruction decoding of the mfdiag and mtdiag
instructions which modify the diagnose registers.
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | target/hppa/insns.decode | 4 | ||||
| -rw-r--r-- | target/hppa/translate.c | 20 |
2 files changed, 24 insertions, 0 deletions
diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode index 527c453..4eaac75 100644 --- a/target/hppa/insns.decode +++ b/target/hppa/insns.decode @@ -644,8 +644,12 @@ xmpyu 001110 ..... ..... 010 .0111 .00 t:5 r1=%ra64 r2=%rb64 # For 32-bit PA-7300LC (PCX-L2) diag_getshadowregs_pa1 000101 00 0000 0000 0001 1010 0000 0000 diag_putshadowregs_pa1 000101 00 0000 0000 0001 1010 0100 0000 + diag_mfdiag 000101 dr:5 rt:5 0000 0110 0000 0000 + diag_mtdiag 000101 dr:5 r1:5 0001 0110 0000 0000 # For 64-bit PA8700 (PCX-W2) + diag_mfdiag 000101 dr:5 0 0000 0000 1000 101 rt:5 + diag_mtdiag 000101 dr:5 r1:5 0001 1000 0100 0000 ] diag_unimp 000101 i:26 } diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 30fba52..7b9d3de 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -4598,6 +4598,26 @@ static bool trans_diag_putshadowregs_pa1(DisasContext *ctx, arg_empty *a) return !ctx->is_pa20 && do_putshadowregs(ctx); } +static bool trans_diag_mfdiag(DisasContext *ctx, arg_diag_mfdiag *a) +{ + CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); + nullify_over(ctx); + TCGv_i64 dest = dest_gpr(ctx, a->rt); + tcg_gen_ld_i64(dest, tcg_env, + offsetof(CPUHPPAState, dr[a->dr])); + save_gpr(ctx, a->rt, dest); + return nullify_end(ctx); +} + +static bool trans_diag_mtdiag(DisasContext *ctx, arg_diag_mtdiag *a) +{ + CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); + nullify_over(ctx); + tcg_gen_st_i64(load_gpr(ctx, a->r1), tcg_env, + offsetof(CPUHPPAState, dr[a->dr])); + return nullify_end(ctx); +} + static bool trans_diag_unimp(DisasContext *ctx, arg_diag_unimp *a) { CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR); |