From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:40213) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R6lFf-0004gk-FA for qemu-devel@nongnu.org; Thu, 22 Sep 2011 11:32:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1R6lFb-0006Th-86 for qemu-devel@nongnu.org; Thu, 22 Sep 2011 11:31:51 -0400 Received: from mail-ww0-f53.google.com ([74.125.82.53]:54880) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R6lFb-0006RZ-29 for qemu-devel@nongnu.org; Thu, 22 Sep 2011 11:31:47 -0400 Received: by mail-ww0-f53.google.com with SMTP id 14so2052898wwg.10 for ; Thu, 22 Sep 2011 08:31:46 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Thu, 22 Sep 2011 08:30:48 -0700 Message-Id: <1316705449-17187-6-git-send-email-rth@twiddle.net> In-Reply-To: <1316705449-17187-1-git-send-email-rth@twiddle.net> References: <1316705449-17187-1-git-send-email-rth@twiddle.net> Subject: [Qemu-devel] [PATCH 5/6] target-alpha: Implement HALT IPR. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Signed-off-by: Richard Henderson --- target-alpha/helper.h | 1 + target-alpha/op_helper.c | 10 ++++++++++ target-alpha/translate.c | 5 +++++ 3 files changed, 16 insertions(+), 0 deletions(-) diff --git a/target-alpha/helper.h b/target-alpha/helper.h index 2dec57e..c352c24 100644 --- a/target-alpha/helper.h +++ b/target-alpha/helper.h @@ -113,6 +113,7 @@ DEF_HELPER_2(stq_c_phys, i64, i64, i64) DEF_HELPER_FLAGS_0(tbia, TCG_CALL_CONST, void) DEF_HELPER_FLAGS_1(tbis, TCG_CALL_CONST, void, i64) +DEF_HELPER_1(halt, void, i64); #endif #include "def-helper.h" diff --git a/target-alpha/op_helper.c b/target-alpha/op_helper.c index 38be234..db5b9e7 100644 --- a/target-alpha/op_helper.c +++ b/target-alpha/op_helper.c @@ -22,6 +22,7 @@ #include "host-utils.h" #include "softfloat.h" #include "helper.h" +#include "sysemu.h" #include "qemu-timer.h" #define FP_STATUS (env->fp_status) @@ -1218,6 +1219,15 @@ void helper_tbis(uint64_t p) { tlb_flush_page(env, p); } + +void helper_halt(uint64_t restart) +{ + if (restart) { + qemu_system_reset_request(); + } else { + qemu_system_shutdown_request(); + } +} #endif /*****************************************************************************/ diff --git a/target-alpha/translate.c b/target-alpha/translate.c index c1ef465..0acbd68 100644 --- a/target-alpha/translate.c +++ b/target-alpha/translate.c @@ -1645,6 +1645,11 @@ static ExitStatus gen_mtpr(DisasContext *ctx, int rb, int regno) tcg_gen_st32_i64(tmp, cpu_env, offsetof(CPUState, halted)); return gen_excp(ctx, EXCP_HLT, 0); + case 252: + /* HALT */ + gen_helper_halt(tmp); + return EXIT_PC_STALE; + default: /* The basic registers are data only, and unknown registers are read-zero, write-ignore. */ -- 1.7.6.2