From mboxrd@z Thu Jan 1 00:00:00 1970 From: vinoth eswaran Date: Tue, 14 Jun 2016 14:41:33 +0200 Subject: [U-Boot] U-boot VESA driver Unsupported software interrupt #0x15 Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hello Mr.Bin, In the latest U-boot-x86 version I am seeing some error messages when I enable the debug messages in the bios.c file. I am checking the VESA driver initialization and it seems that for a particular functional call it takes more time to process. realmode_call(addr + 0x0003, num_dev, 0xffff, 0x0000, 0xffff, 0x0, 0x0); -- it takes around 2 seconds. Do you have any idea how to optimize this function call or why it is taking that much time. I tried to enable the debug messages to understand what is happening and found that there are some software interrupts that are not supported [0.325805 0.002018] Real mode stub @600: 919 bytes [0.328829 0.003024] Calling Option ROM at c0000, pci device 0x10... [1.850796 1.521967] Unsupported software interrupt #0x15 eax 0x90005f14 [1.877799 0.027003] Unsupported software interrupt #0x15 eax 0x5f35 [1.977798 0.099999] done [1.978944 0.001146] VBE: Getting information about VESA mode 411a How can I disable this software interrupts ? Mit Freundlichen Gr??en VinothKumar +49 1798909072