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[18.117.95.84]) by smtp.gmail.com with ESMTPSA id p3-20020a92c603000000b002e85e8b8d1dsm4604370ilm.5.2022.11.29.02.48.18 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 29 Nov 2022 02:48:20 -0800 (PST) From: Schspa Shi To: peter.maydell@linaro.org Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org, Schspa Shi Subject: [PATCH v2 1/1] hw/arm/boot: set initrd with #[address/size]-cells type in fdt Date: Tue, 29 Nov 2022 18:48:09 +0800 Message-Id: <20221129104809.84860-1-schspa@gmail.com> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::d30; envelope-from=schspa@gmail.com; helo=mail-io1-xd30.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org X-TUID: fW4mORfnZxuP We use 32bit value for linux,initrd-[start/end], when we have loader_start > 4GB, there will be a wrong initrd_start passed to the kernel, and the kernel will report the following warning. [ 0.000000] ------------[ cut here ]------------ [ 0.000000] initrd not fully accessible via the linear mapping -- please check your bootloader ... [ 0.000000] WARNING: CPU: 0 PID: 0 at arch/arm64/mm/init.c:355 arm64_memblock_init+0x158/0x244 [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G W 6.1.0-rc3-13250-g30a0b95b1335-dirty #28 [ 0.000000] Hardware name: Horizon Sigi Virtual development board (DT) [ 0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 0.000000] pc : arm64_memblock_init+0x158/0x244 [ 0.000000] lr : arm64_memblock_init+0x158/0x244 [ 0.000000] sp : ffff800009273df0 [ 0.000000] x29: ffff800009273df0 x28: 0000001000cc0010 x27: 0000800000000000 [ 0.000000] x26: 000000000050a3e2 x25: ffff800008b46000 x24: ffff800008b46000 [ 0.000000] x23: ffff800008a53000 x22: ffff800009420000 x21: ffff800008a53000 [ 0.000000] x20: 0000000004000000 x19: 0000000004000000 x18: 00000000ffff1020 [ 0.000000] x17: 6568632065736165 x16: 6c70202d2d20676e x15: 697070616d207261 [ 0.000000] x14: 656e696c20656874 x13: 0a2e2e2e20726564 x12: 0000000000000000 [ 0.000000] x11: 0000000000000000 x10: 00000000ffffffff x9 : 0000000000000000 [ 0.000000] x8 : 0000000000000000 x7 : 796c6c756620746f x6 : 6e20647274696e69 [ 0.000000] x5 : ffff8000093c7c47 x4 : ffff800008a2102f x3 : ffff800009273a88 [ 0.000000] x2 : 80000000fffff038 x1 : 00000000000000c0 x0 : 0000000000000056 [ 0.000000] Call trace: [ 0.000000] arm64_memblock_init+0x158/0x244 [ 0.000000] setup_arch+0x164/0x1cc [ 0.000000] start_kernel+0x94/0x4ac [ 0.000000] __primary_switched+0xb4/0xbc [ 0.000000] ---[ end trace 0000000000000000 ]--- [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000001000000000-0x0000001007ffffff] To fix it, we can change it to #[address/size]-cells type. Signed-off-by: Schspa Shi -- Changelog: v1 -> v2: - Use #[address/size]-cells for data type. --- hw/arm/boot.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/hw/arm/boot.c b/hw/arm/boot.c index 57efb61ee419..98cd1fdad2c6 100644 --- a/hw/arm/boot.c +++ b/hw/arm/boot.c @@ -638,15 +638,17 @@ int arm_load_dtb(hwaddr addr, const struct arm_boot_info *binfo, } if (binfo->initrd_size) { - rc = qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-start", - binfo->initrd_start); + rc = qemu_fdt_setprop_sized_cells(fdt, "/chosen", "linux,initrd-start", + acells, binfo->initrd_start); if (rc < 0) { fprintf(stderr, "couldn't set /chosen/linux,initrd-start\n"); goto fail; } - rc = qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end", - binfo->initrd_start + binfo->initrd_size); + rc = qemu_fdt_setprop_sized_cells(fdt, "/chosen", "linux,initrd-end", + scells, + binfo->initrd_start + + binfo->initrd_size); if (rc < 0) { fprintf(stderr, "couldn't set /chosen/linux,initrd-end\n"); goto fail; -- 2.37.3