imx6移植安卓4.4.3卡死在VFP求各位大神帮忙

只看该作者 · 2015-9-10 08:50

[ 5.194613] usbcore: registered new interface driver usbhid
[ 5.200239] usbhid: USB HID core driver
[ 5.206138] ashmem: initialized
[ 5.209708] logger: created 256K log 'log_main'
[ 5.214679] logger: created 256K log 'log_events'
[ 5.219754] logger: created 256K log 'log_radio'
[ 5.224806] logger: created 256K log 'log_system'
[ 5.231425] usbcore: registered new interface driver snd-usb-audio
[ 5.336972] wm8962 0-001a: Failed to read ID register
[ 5.342937] wm8962: probe of 0-001a failed with error -5
[ 5.356112] fsl-hdmi-dai hdmi_audio.17: failed to probe. Load HDMI-video first.
[ 5.363613] fsl-hdmi-dai: probe of hdmi_audio.17 failed with error -12
[ 5.372116] imx-wm8962 sound.28: failed to find codec platform device
[ 5.378627] imx-wm8962: probe of sound.28 failed with error -22
[ 5.385666] imx-audio-hdmi sound-hdmi.29: initialize HDMI-audio failed. load HDMI-video first!
[ 5.395167] NET: Registered protocol family 26
[ 5.399673] u32 classifier
[ 5.402650] Actions configured
[ 5.406107] Netfilter messages via NETLINK v0.30.
[ 5.410994] nf_conntrack version 0.5.0 (15959 buckets, 63836 max)
[ 5.418089] ctnetlink v0.93: registering with nfnetlink.
[ 5.423639] NF_TPROXY: Transparent proxy support initialized, version 4.1.0
[ 5.430681] NF_TPROXY: Copyright (c) 2006-2007 BalaBit IT Ltd.
[ 5.437281] xt_time: kernel timezone is -0000
[ 5.442300] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 5.448002] arp_tables: (C) 2002 David S. Miller
[ 5.452797] TCP: cubic registered
[ 5.456161] Initializing XFRM netlink socket
[ 5.461348] NET: Registered protocol family 10
[ 5.467502] mip6: Mobile IPv6
[ 5.470628] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 5.476432] NET: Registered protocol family 17
[ 5.481038] NET: Registered protocol family 15
[ 5.485533] can: controller area network core (rev 20120528 abi 9)
[ 5.491913] NET: Registered protocol family 29
[ 5.496411] can: raw protocol (rev 20120528)
[ 5.500821] can: broadcast manager protocol (rev 20120528 t)
[ 5.506552] can: netlink gateway (rev 20130117) max_hops=1
[ 5.512658] Bluetooth: RFCOMM TTY layer initialized
[ 5.517635] Bluetooth: RFCOMM socket layer initialized
[ 5.522984] Bluetooth: RFCOMM ver 1.11
[ 5.526788] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 5.532233] Bluetooth: BNEP filters: protocol multicast
[ 5.537530] Bluetooth: BNEP socket layer initialized
[ 5.542583] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[ 5.548566] Bluetooth: HIDP socket layer initialized
[ 5.553687] 8021q: 802.1Q VLAN Support v1.8
[ 5.558025] Key type dns_resolver registered
[ 5.563077] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
[ 5.570942] 695!!!!!!!!!!!!!!!!
[ 5.574133] 703!!!!!!!!!!!!!!!!
[ 5.577315] 731!!!!!!!!!!!!!!!!
[ 5.580596] 738!!!!!!!!!!!!!!!!
[ 5.583789] 739!!!!!!!!!!!!!!!!
[ 5.586971] 740!!!!!!!!!!!!!!!
[/code]

只看该作者 · 2015-9-10 08:55

后面数字是为了了测试vfp段代码做的打印。vfp段代码正常执行完成

复制

        pr_info("VFP support v0.3: ");

// printk("printktest674!!!!!!!!!!!!!!!\n");

        if (VFP_arch)

                pr_cont("not present\n");

        else if (vfpsid & FPSID_NODOUBLE) {

 //printk("printktest678!!!!!!!!!!!!!!!\n");

                pr_cont("no double precision support\n");

        } else {

                hotcpu_notifier(vfp_hotplug, 0);

   //       printk("ifelsetest!!!!681!!!!!!!!!!!!!!!\n");

                VFP_arch = (vfpsid & FPSID_ARCH_MASK) >> FPSID_ARCH_BIT;  /* Extract the architecture version */

//printk("683!!!!!!!!!!!!!!!\n");

                pr_cont("implementor %02x architecture %d part %02x variant %x rev %x\n",

                        (vfpsid & FPSID_IMPLEMENTER_MASK) >> FPSID_IMPLEMENTER_BIT,

                        (vfpsid & FPSID_ARCH_MASK) >> FPSID_ARCH_BIT,

                        (vfpsid & FPSID_PART_MASK) >> FPSID_PART_BIT,

                        (vfpsid & FPSID_VARIANT_MASK) >> FPSID_VARIANT_BIT,

                        (vfpsid & FPSID_REV_MASK) >> FPSID_REV_BIT);

// printk("689!!!!!!!!!!!!!!!\n");

                vfp_vector = vfp_support_entry;

//printk("692!!!!!!!!!!!!!!!\n");

                thread_register_notifier(&vfp_notifier_block);

                vfp_pm_init();

pr_info("695!!!!!!!!!!!!!!!!\n");

                /*

                 * We detected VFP, and the support code is

                 * in place; report VFP support to userspace.

                 */

                elf_hwcap |= HWCAP_VFP;

#ifdef CONFIG_VFPv3 

 pr_info("703!!!!!!!!!!!!!!!!\n");



                if (VFP_arch >= 2) {

//pr_info("703!!!!!!!!!!!!!!!\n");      

                elf_hwcap |= HWCAP_VFPv3;

//printk("705!!!!!!!!!!!!!!!\n"); 

                        /*

                         * Check for VFPv3 D16 and VFPv4 D16.  CPUs in

                         * this configuration only have 16 x 64bit

                         * registers.

                         */

                        if (((fmrx(MVFR0) & MVFR0_A_SIMD_MASK)) == 1)

//pr_info("712!!!!!!!!!!!!!!!!!!!!!\n");        

                        elf_hwcap |= HWCAP_VFPv3D16; /* also v4-D16 */

                        else

//pr_info("715!!!!!!!!!!!!!!!!\n");

                                elf_hwcap |= HWCAP_VFPD32;

                        else

//pr_info("715!!!!!!!!!!!!!!!!\n");

                                elf_hwcap |= HWCAP_VFPD32;

                }

#endif

                /*

                 * Check for the presence of the Advanced SIMD

                 * load/store instructions, integer and single

                 * precision floating point operations. Only check

                 * for NEON if the hardware has the MVFR registers.

                 */

                if ((read_cpuid_id() & 0x000f0000) == 0x000f0000) {

//printk("726!!!!1!!!!!!!!!!!!!!!\n");

#ifdef CONFIG_NEON

pr_info("731!!!!!!!!!!!!!!!!\n");



                        if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100)

//printk("729!!!!!!1!!!!!!!!!!!!!!!\n");                

                elf_hwcap |= HWCAP_NEON;

#endif

#ifdef CONFIG_VFPv3

pr_info("738!!!!!!!!!!!!!!!!\n");



                        if ((fmrx(MVFR1) & 0xf0000000) == 0x10000000)

//printk("vfp end!!!!!!!!!!!!!!!\n");

                                elf_hwcap |= HWCAP_VFPv4;

pr_info("739!!!!!!!!!!!!!!!!\n");



#endif

                }

        }

              pr_info("740!!!!!!!!!!!!!!!\n");//        printk("vfp end!!!!!!!!!!!!!!!\n");

        return 0;

}



late_initcall(vfp_init);