From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:44490) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RlDbz-00014d-4v for qemu-devel@nongnu.org; Thu, 12 Jan 2012 00:54:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RlDbx-00033r-VJ for qemu-devel@nongnu.org; Thu, 12 Jan 2012 00:54:07 -0500 Received: from mail-bk0-f45.google.com ([209.85.214.45]:39697) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RlDbx-00033n-Jx for qemu-devel@nongnu.org; Thu, 12 Jan 2012 00:54:05 -0500 Received: by bkwj5 with SMTP id j5so1058579bkw.4 for ; Wed, 11 Jan 2012 21:54:04 -0800 (PST) From: Max Filippov Date: Thu, 12 Jan 2012 09:53:35 +0400 Message-Id: <1326347616-18245-1-git-send-email-jcmvbkbc@gmail.com> Subject: [Qemu-devel] [PATCH 1/2] target-xtensa: define TLB_TEMPLATE for MMU-less cores List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Max Filippov TLB_TEMPLATE macro specifies TLB geometry in the core configuration. Make TLB_TEMPLATE available for region protection core variants, defining 1 way ITLB and DTLB with 8 entries each. Signed-off-by: Max Filippov --- target-xtensa/overlay_tool.h | 18 ++++++++++++++++-- 1 files changed, 16 insertions(+), 2 deletions(-) diff --git a/target-xtensa/overlay_tool.h b/target-xtensa/overlay_tool.h index df19cc9..e7c4c3a 100644 --- a/target-xtensa/overlay_tool.h +++ b/target-xtensa/overlay_tool.h @@ -251,6 +251,8 @@ .nextint = XCHAL_NUM_EXTINTERRUPTS, \ .extint = EXTINTS +#if XCHAL_HAVE_PTP_MMU + #define TLB_TEMPLATE(ways, refill_way_size, way56) { \ .nways = ways, \ .way_size = { \ @@ -268,11 +270,23 @@ #define DTLB(varway56) \ TLB_TEMPLATE(10, 1 << XCHAL_DTLB_ARF_ENTRIES_LOG2, varway56) -#if XCHAL_HAVE_PTP_MMU #define TLB_SECTION \ .itlb = ITLB(XCHAL_HAVE_SPANNING_WAY), \ .dtlb = DTLB(XCHAL_HAVE_SPANNING_WAY) -#else + +#elif XCHAL_HAVE_XLT_CACHEATTR || XCHAL_HAVE_MIMIC_CACHEATTR + +#define TLB_TEMPLATE { \ + .nways = 1, \ + .way_size = { \ + 8, \ + } \ + } + +#define TLB_SECTION \ + .itlb = TLB_TEMPLATE, \ + .dtlb = TLB_TEMPLATE + #endif #if (defined(TARGET_WORDS_BIGENDIAN) != 0) == (XCHAL_HAVE_BE != 0) -- 1.7.7.5