OPTEE Normal 环境启动log分析

//soc_term目录下来实现端口监听
listening on port 54320
soc_term: accepted fd 4
soc_term: read fd EOF
soc_term: accepted fd 4

Normal 环境下的启动log，包括Linux加载log和linux启动log

/**find DTB(device tree database)/
#define DTB_START               DRAM_START
#define DRAM_START              0x40000000
Using QEMU provided DTB at 0x40000000
msg(found secure header)

found secure header  

The struct optee_header hdr
struct optee_header {
        uint32_t magic;
        uint8_t version;
        uint8_t arch;
        uint16_t flags;
        uint32_t num_images;
        struct optee_image images[OPTEE_MAX_NUM_IMAGES];
};

Relocating DTB for kernel use at 0x483bb000
Initializing secure world
//The optee_os is loaded 

//conf.mk file defined ,command line 是bios_qemu_tz_arm目录下的文件传进来的。
kernel command line: "console=ttyAMA0,115200 earlyprintk=serial,ttyAMA0,115200 dynamic_debug.verbose=1 "
到这里系统加载成功，下一步就是启动linux
//kernel enter
Entering kernel at 0x42000000 with r0=0x0 r1=0x8e0 r2=0x483bb000
//在qemu情况下，optee只启动一个CPU核
Booting Linux on physical CPU 0x0
Linux version 4.12.0 (ming@ming-VirtualBox) (gcc version 6.2.1 20161016 (Linaro GCC 6.2-2016.11) ) #4 SMP PREEMPT Sat Jan 27 16:06:09 CST 2018
//注意这里用的是AVMv7核
CPU: ARMv7 Processor [412fc0f1] revision 1 (ARMv7), cr=10c5387d
CPU: div instructions available: patching division code
CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
OF: fdt: Machine model: linux,dummy-virt
OF: fdt: Ignoring memory block 0xe000000 - 0xf000000
Memory policy: Data cache writealloc
psci: probing for conduit method from DT.
psci: PSCIv0.2 detected in firmware.
psci: Using standard PSCI v0.2 function IDs
psci: MIGRATE_INFO_TYPE not supported.
percpu: Embedded 16 pages/cpu @c16a3000 s36556 r8192 d20788 u65536
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 267970
//command line由bios_qemu_tz_arm传进来的也就是 bootargs
Kernel command line: console=ttyAMA0,115200 earlyprintk=serial,ttyAMA0,115200 dynamic_debug.verbose=1 
PID hash table entries: 4096 (order: 2, 16384 bytes)
Dentry cache hash table entries: 262144 (order: 8, 1048576 bytes)
Inode-cache hash table entries: 131072 (order: 7, 524288 bytes)
//内存的使用情况
Memory: 1049204K/1080320K available (6144K kernel code, 356K rwdata, 1320K rodata, 1024K init, 170K bss, 31116K reserved, 0K cma-reserved)
//虚拟内存的一个分布图
Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
    vmalloc : 0xc2000000 - 0xff800000   ( 984 MB)
    lowmem  : 0x80000000 - 0xc1f00000   (1055 MB)
    modules : 0x7f000000 - 0x80000000   (  16 MB)
      .text : 0x80008000 - 0x80700000   (7136 kB)
      .init : 0x80900000 - 0x80a00000   (1024 kB)
      .data : 0x80a00000 - 0x80a59390   ( 357 kB)
       .bss : 0x80a60dc0 - 0x80a8b740   ( 171 kB)
SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Preemptible hierarchical RCU implementation.
	RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1.
RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
NR_IRQS:16 nr_irqs:16 16
arch_timer: cp15 timer(s) running at 62.50MHz (virt).
clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1cd42e208c, max_idle_ns: 881590405314 ns
sched_clock: 56 bits at 62MHz, resolution 16ns, wraps every 4398046511096ns
Switching to timer-based delay loop, resolution 16ns
Console: colour dummy device 80x30
Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=625000)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 4096 (order: 2, 16384 bytes)
Mountpoint-cache hash table entries: 4096 (order: 2, 16384 bytes)
CPU: Testing write buffer coherency: ok
/cpus/cpu@0 missing clock-frequency property
CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
Setting up static identity map for 0x40100000 - 0x40100060
smp: Bringing up secondary CPUs ...
smp: Brought up 1 node, 1 CPU
SMP: Total of 1 processors activated (125.00 BogoMIPS).
CPU: All CPU(s) started in SVC mode.
devtmpfs: initialized
VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
futex hash table entries: 256 (order: 2, 16384 bytes)
NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
cpuidle: using governor ladder
hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
hw-breakpoint: maximum watchpoint size is 8 bytes.
Serial: AMBA PL011 UART driver
9000000.pl011: ttyAMA0 at MMIO 0x9000000 (irq = 54, base_baud = 0) is a PL011 rev1
console [ttyAMA0] enabled
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
Advanced Linux Sound Architecture Driver Initialized.
clocksource: Switched to clocksource arch_sys_counter
NET: Registered protocol family 2
TCP established hash table entries: 16384 (order: 4, 65536 bytes)
TCP bind hash table entries: 16384 (order: 5, 131072 bytes)
TCP: Hash tables configured (established 16384 bind 16384)
UDP hash table entries: 1024 (order: 3, 32768 bytes)
UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
Unpacking initramfs...
Freeing initrd memory: 11204K
workingset: timestamp_bits=30 max_order=19 bucket_order=0
squashfs: version 4.0 (2009/01/31) Phillip Lougher
9p: Installing v9fs 9p2000 file system support
io scheduler noop registered (default)
io scheduler mq-deadline registered
io scheduler kyber registered
4000000.flash: Found 2 x16 devices at 0x0 in 32-bit bank. Manufacturer ID 0x000000 Chip ID 0x000000
Intel/Sharp Extended Query Table at 0x0031
Using buffer write method
libphy: Fixed MDIO Bus: probed
usbcore: registered new interface driver usb-storage
rtc-pl031 9010000.pl031: rtc core: registered pl031 as rtc0
ledtrig-cpu: registered to indicate activity on CPUs
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
//初始化OPTEE相关驱动
optee: probing for conduit method from DT.
optee: initialized driver
oprofile: no performance counters
oprofile: using timer interrupt.
NET: Registered protocol family 17
9pnet: Installing 9P2000 support
Registering SWP/SWPB emulation handler
rtc-pl031 9010000.pl031: setting system clock to 2018-01-29 09:34:24 UTC (1517218464)
ALSA device list:
  No soundcards found.
Freeing unused kernel memory: 1024K
preparing networking...
ip: SIOCGIFFLAGS: No such device
running rc.d services...
mounting tmpfs at /dev ...done
mounting pts at /dev/pts ...done
creating initial mdev device nodes ...done
setting system time from /dev/rtc0
Starting telnetd...
//启动了tee-supplicant  helper deamon 服务
Starting tee-supplicant...
uptime idle: 5.54 0.26

Please press Enter to activate this console. 
//到这里系统就启动完成