From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59776) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fpH3F-0005iT-Pz for qemu-devel@nongnu.org; Mon, 13 Aug 2018 13:54:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fpH37-0007BO-Kj for qemu-devel@nongnu.org; Mon, 13 Aug 2018 13:54:45 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:55818 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fpH37-00077x-77 for qemu-devel@nongnu.org; Mon, 13 Aug 2018 13:54:37 -0400 From: Aleksandar Markovic Date: Mon, 13 Aug 2018 19:53:25 +0200 Message-Id: <1534182832-554-61-git-send-email-aleksandar.markovic@rt-rk.com> In-Reply-To: <1534182832-554-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1534182832-554-1-git-send-email-aleksandar.markovic@rt-rk.com> Subject: [Qemu-devel] [PATCH v8 60/87] elf: Don't check FCR31_NAN2008 bit for nanoMIPS List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, laurent@vivier.eu, riku.voipio@iki.fi, philippe.mathieu.daude@gmail.com, aurelien@aurel32.net, richard.henderson@linaro.org, amarkovic@wavecomp.com, smarkovic@wavecomp.com, pjovanovic@wavecomp.com, pburton@wavecomp.com From: Aleksandar Markovic nanoMIPS is always NaN2008 compliant, and rules for checking FCR31's NAN2008 bit are obsoleted. Reviewed-by: Richard Henderson Signed-off-by: Aleksandar Markovic Signed-off-by: Stefan Markovic --- linux-user/mips/cpu_loop.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/linux-user/mips/cpu_loop.c b/linux-user/mips/cpu_loop.c index 1d3dc9e..c9c20cf 100644 --- a/linux-user/mips/cpu_loop.c +++ b/linux-user/mips/cpu_loop.c @@ -747,6 +747,9 @@ void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs) if (regs->cp0_epc & 1) { env->hflags |= MIPS_HFLAG_M16; } + if (env->insn_flags & ISA_NANOMIPS32) { + return; + } if (((info->elf_flags & EF_MIPS_NAN2008) != 0) != ((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) != 0)) { if ((env->active_fpu.fcr31_rw_bitmask & -- 2.7.4