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[73.202.152.109]) by smtp.gmail.com with ESMTPSA id v10sm21669679pag.44.2016.11.12.03.13.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 12 Nov 2016 03:13:29 -0800 (PST) From: Max Filippov To: qemu-devel@nongnu.org Date: Sat, 12 Nov 2016 03:13:14 -0800 Message-Id: <1478949194-24937-1-git-send-email-jcmvbkbc@gmail.com> X-Mailer: git-send-email 2.1.4 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:400e:c05::242 Subject: [Qemu-devel] [PATCH] target-xtensa: fix ICACHE/DCACHE options detection X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Max Filippov Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Configuration overlay does not explicitly say whether there are ICACHE and DCACHE in the core. Current code uses XCHAL_[ID]CACHE_WAYS to detect if corresponding cache option is enabled, but that's not correct: on cores without cache these macros are defined as 1, not as 0. Check XCHAL_[ID]CACHE_SIZE instead. Signed-off-by: Max Filippov --- target-xtensa/overlay_tool.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target-xtensa/overlay_tool.h b/target-xtensa/overlay_tool.h index e8a7fda..9a6be91 100644 --- a/target-xtensa/overlay_tool.h +++ b/target-xtensa/overlay_tool.h @@ -84,10 +84,10 @@ XTENSA_OPTION_HIGH_PRIORITY_INTERRUPT) | \ XCHAL_OPTION(XCHAL_HAVE_CCOUNT, XTENSA_OPTION_TIMER_INTERRUPT) | \ /* Local memory, TODO */ \ - XCHAL_OPTION(XCHAL_ICACHE_WAYS, XTENSA_OPTION_ICACHE) | \ + XCHAL_OPTION(XCHAL_ICACHE_SIZE, XTENSA_OPTION_ICACHE) | \ XCHAL_OPTION(XCHAL_ICACHE_LINE_LOCKABLE, \ XTENSA_OPTION_ICACHE_INDEX_LOCK) | \ - XCHAL_OPTION(XCHAL_DCACHE_WAYS, XTENSA_OPTION_DCACHE) | \ + XCHAL_OPTION(XCHAL_DCACHE_SIZE, XTENSA_OPTION_DCACHE) | \ XCHAL_OPTION(XCHAL_DCACHE_LINE_LOCKABLE, \ XTENSA_OPTION_DCACHE_INDEX_LOCK) | \ XCHAL_OPTION(XCHAL_UNALIGNED_LOAD_HW, XTENSA_OPTION_HW_ALIGNMENT) | \