From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52209) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1efwBI-0002xm-6e for qemu-devel@nongnu.org; Sun, 28 Jan 2018 18:16:15 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1efwBH-0000A9-Ah for qemu-devel@nongnu.org; Sun, 28 Jan 2018 18:16:12 -0500 Received: from mail-pf0-x241.google.com ([2607:f8b0:400e:c00::241]:36686) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1efwBH-00009b-4S for qemu-devel@nongnu.org; Sun, 28 Jan 2018 18:16:11 -0500 Received: by mail-pf0-x241.google.com with SMTP id 23so3261869pfp.3 for ; Sun, 28 Jan 2018 15:16:11 -0800 (PST) From: Richard Henderson Date: Sun, 28 Jan 2018 15:15:10 -0800 Message-Id: <20180128231528.22719-26-richard.henderson@linaro.org> In-Reply-To: <20180128231528.22719-1-richard.henderson@linaro.org> References: <20180128231528.22719-1-richard.henderson@linaro.org> Subject: [Qemu-devel] [PULL v4 25/43] target/hppa: Implement LCI List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org Signed-off-by: Richard Henderson --- target/hppa/translate.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 082221f450..41e28ff64c 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 }; -- 2.14.3