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(unknown [43.156.43.207]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxTs2Y1OllbElQAA--.15045S4; Thu, 07 Mar 2024 22:52:17 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, Song Gao Subject: [PULL 02/17] hw/loongarch: Add load initrd Date: Thu, 7 Mar 2024 22:51:52 +0800 Message-Id: <20240307145207.247913-3-gaosong@loongson.cn> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240307145207.247913-1-gaosong@loongson.cn> References: <20240307145207.247913-1-gaosong@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8AxTs2Y1OllbElQAA--.15045S4 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBj93XoW7ur43uFWxCFy8CryUXry3WrX_yoW8Ar43pF ZxArn8Gr1fAFyfA39rAa48urZxAw48KF13WF9xtryFvrZFgr1DZFy8Zr97ZFWqya1rKFn0 qrn8C3yj93WDtrcCm3ZEXasCq-sJn29KB7ZKAUJUUUU8529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUkFb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r126r1DMcIj6I8E87Iv 67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2 Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s02 6x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1Y6r17MIIYrxkI7VAKI48JMIIF0x vE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE 42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6x kF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x07UMpBfUUUUU= Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=mail.loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@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-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org we load initrd ramdisk after kernel_high address Signed-off-by: Song Gao Message-Id: <20240301093839.663947-3-gaosong@loongson.cn> --- hw/loongarch/boot.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c index 0f2bc15fdf..3075c276d4 100644 --- a/hw/loongarch/boot.c +++ b/hw/loongarch/boot.c @@ -21,7 +21,8 @@ static uint64_t cpu_loongarch_virt_to_phys(void *opaque, uint64_t addr) static int64_t load_kernel_info(struct loongarch_boot_info *info) { - uint64_t kernel_entry, kernel_low, kernel_high; + uint64_t kernel_entry, kernel_low, kernel_high, initrd_size; + ram_addr_t initrd_offset; ssize_t kernel_size; kernel_size = load_elf(info->kernel_filename, NULL, @@ -36,6 +37,32 @@ static int64_t load_kernel_info(struct loongarch_boot_info *info) load_elf_strerror(kernel_size)); exit(1); } + + if (info->initrd_filename) { + initrd_size = get_image_size(info->initrd_filename); + if (initrd_size > 0) { + initrd_offset = ROUND_UP(kernel_high + 4 * kernel_size, 64 * KiB); + + if (initrd_offset + initrd_size > info->ram_size) { + error_report("memory too small for initial ram disk '%s'", + info->initrd_filename); + exit(1); + } + + initrd_size = load_image_targphys(info->initrd_filename, initrd_offset, + info->ram_size - initrd_offset); + } + + if (initrd_size == (target_ulong)-1) { + error_report("could not load initial ram disk '%s'", + info->initrd_filename); + exit(1); + } + } else { + error_report("Need initrd!"); + exit(1); + } + return kernel_entry; }