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authorRichard Henderson <richard.henderson@linaro.org>2017-11-05 11:02:40 +0100
committerRichard Henderson <richard.henderson@linaro.org>2018-01-30 10:22:26 -0800
commit43a97b81b5ae791bfdb2470b9be749155a968604 (patch)
tree7c2c051f2ab9b3b432deb81e92ef9d6881866f63
parent2dfcca9ffc0131f0d740dea27ebff04be01f871b (diff)
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target/hppa: Implement LCI
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--target/hppa/translate.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 082221f..41e28ff 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -2462,6 +2462,25 @@ static DisasJumpType trans_lpa(DisasContext *ctx, uint32_t insn,
return nullify_end(ctx, DISAS_NEXT);
}
+
+static DisasJumpType trans_lci(DisasContext *ctx, uint32_t insn,
+ const DisasInsn *di)
+{
+ unsigned rt = extract32(insn, 0, 5);
+ TCGv_reg ci;
+
+ CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR);
+
+ /* The Coherence Index is an implementation-defined function of the
+ physical address. Two addresses with the same CI have a coherent
+ view of the cache. Our implementation is to return 0 for all,
+ since the entire address space is coherent. */
+ ci = tcg_const_reg(0);
+ save_gpr(ctx, rt, ci);
+ tcg_temp_free(ci);
+
+ return DISAS_NEXT;
+}
#endif /* !CONFIG_USER_ONLY */
static const DisasInsn table_mem_mgmt[] = {
@@ -2490,6 +2509,7 @@ static const DisasInsn table_mem_mgmt[] = {
{ 0x04001200u, 0xfc001fdfu, trans_pxtlbx }, /* pdtlb */
{ 0x04001240u, 0xfc001fdfu, trans_pxtlbx }, /* pdtlbe */
{ 0x04001340u, 0xfc003fc0u, trans_lpa },
+ { 0x04001300u, 0xfc003fe0u, trans_lci },
#endif
};