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authorHelge Deller <deller@gmx.de>2018-01-02 21:31:45 +0100
committerRichard Henderson <richard.henderson@linaro.org>2018-01-31 05:30:50 -0800
commit2330504ceec94e2cfa1138e5b256b5e1b4a1b444 (patch)
tree69a782dd0e748433691d094513f7396f29c48cbc /target/hppa
parent3f7367e2ccc33aefd962c9459624ce40efa7e7ad (diff)
target/hppa: Implement LDSID for system mode
Signed-off-by: Helge Deller <deller@gmx.de> Message-Id: <20180102203145.GA17059@ls3530.fritz.box> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/hppa')
-rw-r--r--target/hppa/translate.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index b773b0ef09..2f8e87bba9 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -2211,8 +2211,20 @@ static DisasJumpType trans_ldsid(DisasContext *ctx, uint32_t insn,
unsigned rt = extract32(insn, 0, 5);
TCGv_reg dest = dest_gpr(ctx, rt);
- /* Since we don't implement space registers, this returns zero. */
+#ifdef CONFIG_USER_ONLY
+ /* We don't implement space registers in user mode. */
tcg_gen_movi_reg(dest, 0);
+#else
+ unsigned rb = extract32(insn, 21, 5);
+ unsigned sp = extract32(insn, 14, 2);
+ TCGv_i64 t0 = tcg_temp_new_i64();
+
+ tcg_gen_mov_i64(t0, space_select(ctx, sp, load_gpr(ctx, rb)));
+ tcg_gen_shri_i64(t0, t0, 32);
+ tcg_gen_trunc_i64_reg(dest, t0);
+
+ tcg_temp_free_i64(t0);
+#endif
save_gpr(ctx, rt, dest);
cond_free(&ctx->null_cond);