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[83.52.172.117]) by smtp.gmail.com with ESMTPSA id c18sm8821587wrt.10.2020.10.17.07.05.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Oct 2020 07:05:29 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 35/44] hw/mips: Simplify code using ROUND_UP(INITRD_PAGE_SIZE) Date: Sat, 17 Oct 2020 16:02:34 +0200 Message-Id: <20201017140243.1078718-36-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201017140243.1078718-1-f4bug@amsat.org> References: <20201017140243.1078718-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::342; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x342.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Aleksandar Rikalo , Paul Burton , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Huacai Chen , Aurelien Jarno Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Instead of using a INITRD_PAGE_MASK definition, use the simpler INITRD_PAGE_SIZE one which allows us to simplify the code by using directly the self-explicit ROUND_UP() macro. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20200927163943.614604-3-f4bug@amsat.org> --- include/hw/mips/mips.h | 4 +++- hw/mips/fuloong2e.c | 3 +-- hw/mips/malta.c | 6 +++--- hw/mips/mipssim.c | 3 +-- hw/mips/r4k.c | 3 +-- 5 files changed, 9 insertions(+), 10 deletions(-) diff --git a/include/hw/mips/mips.h b/include/hw/mips/mips.h index 0af4c3d5d74..6c9c8805f3f 100644 --- a/include/hw/mips/mips.h +++ b/include/hw/mips/mips.h @@ -2,8 +2,10 @@ #define HW_MIPS_H /* Definitions for mips board emulation. */ +#include "qemu/units.h" + /* Kernels can be configured with 64KB pages */ -#define INITRD_PAGE_MASK (~((1 << 16) - 1)) +#define INITRD_PAGE_SIZE (64 * KiB) #include "exec/memory.h" diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c index b8234f61083..de66215f95f 100644 --- a/hw/mips/fuloong2e.c +++ b/hw/mips/fuloong2e.c @@ -133,8 +133,7 @@ static int64_t load_kernel(CPUMIPSState *env) if (loaderparams.initrd_filename) { initrd_size = get_image_size(loaderparams.initrd_filename); if (initrd_size > 0) { - initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & - INITRD_PAGE_MASK; + initrd_offset = ROUND_UP(kernel_high, INITRD_PAGE_SIZE); if (initrd_offset + initrd_size > ram_size) { error_report("memory too small for initial ram disk '%s'", loaderparams.initrd_filename); diff --git a/hw/mips/malta.c b/hw/mips/malta.c index ff3225bb8e3..beb0f43941a 100644 --- a/hw/mips/malta.c +++ b/hw/mips/malta.c @@ -1077,9 +1077,9 @@ static int64_t load_kernel(void) * the initrd. It takes at most 128kiB for 2GB RAM and 4kiB * pages. */ - initrd_offset = (loaderparams.ram_low_size - initrd_size - - (128 * KiB) - - ~INITRD_PAGE_MASK) & INITRD_PAGE_MASK; + initrd_offset = ROUND_UP(loaderparams.ram_low_size + - (initrd_size + 128 * KiB), + INITRD_PAGE_SIZE); if (kernel_high >= initrd_offset) { error_report("memory too small for initial ram disk '%s'", loaderparams.initrd_filename); diff --git a/hw/mips/mipssim.c b/hw/mips/mipssim.c index afef4f2e77a..97dcc232476 100644 --- a/hw/mips/mipssim.c +++ b/hw/mips/mipssim.c @@ -90,8 +90,7 @@ static int64_t load_kernel(void) if (loaderparams.initrd_filename) { initrd_size = get_image_size(loaderparams.initrd_filename); if (initrd_size > 0) { - initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & - INITRD_PAGE_MASK; + initrd_offset = ROUND_UP(kernel_high, INITRD_PAGE_SIZE); if (initrd_offset + initrd_size > loaderparams.ram_size) { error_report("memory too small for initial ram disk '%s'", loaderparams.initrd_filename); diff --git a/hw/mips/r4k.c b/hw/mips/r4k.c index 7ee37c49689..38308543421 100644 --- a/hw/mips/r4k.c +++ b/hw/mips/r4k.c @@ -115,8 +115,7 @@ static int64_t load_kernel(void) if (loaderparams.initrd_filename) { initrd_size = get_image_size(loaderparams.initrd_filename); if (initrd_size > 0) { - initrd_offset = (kernel_high + ~INITRD_PAGE_MASK) & - INITRD_PAGE_MASK; + initrd_offset = ROUND_UP(kernel_high, INITRD_PAGE_SIZE); if (initrd_offset + initrd_size > ram_size) { error_report("memory too small for initial ram disk '%s'", loaderparams.initrd_filename); -- 2.26.2