From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:57560) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QytKw-0007tz-G5 for qemu-devel@nongnu.org; Wed, 31 Aug 2011 18:32:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QytKv-0006lu-Mq for qemu-devel@nongnu.org; Wed, 31 Aug 2011 18:32:46 -0400 Received: from [188.134.19.124] (port=34544 helo=octofox.metropolis) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QytKv-0006fg-4e for qemu-devel@nongnu.org; Wed, 31 Aug 2011 18:32:45 -0400 From: Max Filippov Date: Thu, 1 Sep 2011 01:56:59 +0400 Message-Id: <1314827843-28543-9-git-send-email-jcmvbkbc@gmail.com> In-Reply-To: <1314827843-28543-1-git-send-email-jcmvbkbc@gmail.com> References: <1314827843-28543-1-git-send-email-jcmvbkbc@gmail.com> Subject: [Qemu-devel] [PATCH v3 08/32] target-xtensa: implement JX/RET0/CALLX List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: jcmvbkbc@gmail.com Group SNM0 (indirect jumps and calls). Signed-off-by: Max Filippov --- target-xtensa/translate.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 43 insertions(+), 0 deletions(-) diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index c6ebb3d..400c995 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -248,6 +248,49 @@ static void disas_xtensa_insn(DisasContext *dc) switch (RRR_R) { case 0: /*SNM0*/ + switch (CALLX_M) { + case 0: /*ILL*/ + break; + + case 1: /*reserved*/ + break; + + case 2: /*JR*/ + switch (CALLX_N) { + case 0: /*RET*/ + case 2: /*JX*/ + gen_jump(dc, cpu_R[CALLX_S]); + break; + + case 1: /*RETWw*/ + HAS_OPTION(XTENSA_OPTION_WINDOWED_REGISTER); + break; + + case 3: /*reserved*/ + break; + } + break; + + case 3: /*CALLX*/ + switch (CALLX_N) { + case 0: /*CALLX0*/ + { + TCGv_i32 tmp = tcg_temp_new_i32(); + tcg_gen_mov_i32(tmp, cpu_R[CALLX_S]); + tcg_gen_movi_i32(cpu_R[0], dc->next_pc); + gen_jump(dc, tmp); + tcg_temp_free(tmp); + } + break; + + case 1: /*CALLX4w*/ + case 2: /*CALLX8w*/ + case 3: /*CALLX12w*/ + HAS_OPTION(XTENSA_OPTION_WINDOWED_REGISTER); + break; + } + break; + } break; case 1: /*MOVSPw*/ -- 1.7.6