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Date: Wed, 14 Jan 2015 16:20:30 +0530
From: ansaris <ansaris@iwavesystems.com>
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To: "meta-freescale@yoctoproject.org" <meta-freescale@yoctoproject.org>
Subject: i.MX6 - u-boot binary size getting changed
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Hi,

We are using imx6Q sabresd platform for our development with Linux 
3.10.17_1.0.0-GA BSP.

We have installed the meta-tool chain in our 64bit Host PC and 32 bit 
Host PC using below steps.
$bitbake meta-toolchain
$sudo sh tmp/deploy/sdk/poky-eglibc-x86_64-arm-toolchain-<version>.sh

The u-boot source code is compiled in 32bit host PC and with this 
u-boot.imx binary, the target board is booted.
At u-boot level, the command "bdinfo" displays below information.

    arch_number = 0x0000112D
    boot_params = 0x10000100
    DRAM bank   = 0x00000000
    -> start    = 0x10000000
    -> size     = 0x40000000
    eth0name = FEC
    ethaddr = 00:01:02:03:04:05
    current eth = FEC
    ip_addr = <NULL>
    baudrate = 115200 bps
    TLB addr    = 0x4FFF0000
    relocaddr = 0x4FF68000
    reloc off   = 0x38768000
    irq_sp = 0x4F565F38
    sp start    = 0x4F565F28

Then the u-boot source code is compiled in 64bit host PC and with this 
u-boot.imx binary, the target board is booted.
At u-boot level, the command "bdinfo" displays below information.

    arch_number = 0x0000112D
    boot_params = 0x10000100
    DRAM bank   = 0x00000000
    -> start    = 0x10000000
    -> size     = 0x40000000
    eth0name = FEC
    ethaddr = 00:01:02:03:04:05
    current eth = FEC
    ip_addr = <NULL>
    baudrate = 115200 bps
    TLB addr    = 0x4FFF0000
    relocaddr = 0x4FF66000
    reloc off   = 0x38766000
    irq_sp = 0x4F563F38
    sp start    = 0x4F563F28


We would like to know, why the "relocaddr & reloc off "(as highlighted 
above) are different? since the source codes are same and compiled in 
different host PC (64bit & 32bit).
In addition, we checked the u-boot.imx binary file size.  We could see 
the difference in the file size as below
u-boot.imx(compiled in 32bit host PC) - 313644 bytes
u-boot.imx(compiled in 64bit host PC) - 318780 bytes


Thank You,
Regards,
Ansari

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    <meta http-equiv="content-type" content="text/html; charset=utf-8">
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  <body bgcolor="#FFFFFF" text="#000000">
    <font face="Times New Roman, Times, serif">Hi,<br>
      <br>
      We are using imx6Q sabresd platform for our development with Linux
      3.10.17_1.0.0-GA BSP.<br>
      <br>
      We have installed the meta-tool chain in our 64bit Host PC and 32
      bit Host PC using below steps.<br>
      <font color="#3333ff">$bitbake meta-toolchain<br>
        $sudo sh
        tmp/deploy/sdk/poky-eglibc-x86_64-arm-toolchain-&lt;version&gt;.sh<br>
      </font><br>
      The u-boot source code is compiled in 32bit host PC and with this
      u-boot.imx binary, the target board is booted.<br>
      At u-boot level, the command "bdinfo" displays below information.<br>
    </font>
    <blockquote><font face="Times New Roman, Times, serif"><font
          color="#3333ff">arch_number = 0x0000112D </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">boot_params
          = 0x10000100 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">DRAM
          bank   = 0x00000000 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">-&gt;
          start    = 0x10000000 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">-&gt;
          size     = 0x40000000 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">eth0name   
          = FEC </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">ethaddr    
          = 00:01:02:03:04:05 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">current
          eth = FEC </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">ip_addr    
          = &lt;NULL&gt; </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">baudrate   
          = 115200 bps </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">TLB
          addr    = 0x4FFF0000 </font></font><br>
      <font color="#ff0000" face="Times New Roman, Times, serif">relocaddr  
        = 0x4FF68000 </font><font color="#ff0000"><br>
        <font face="Times New Roman, Times, serif">reloc off   =
          0x38768000 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">irq_sp     
          = 0x4F565F38 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">sp
          start    = 0x4F565F28</font></font><br>
    </blockquote>
    <font face="Times New Roman, Times, serif">Then the u-boot source
      code is compiled in 64bit host PC and with this u-boot.imx binary,
      the target board is booted.<br>
      At u-boot level, the command "bdinfo" displays below information.
      <br>
    </font>
    <blockquote><font face="Times New Roman, Times, serif"><font
          color="#3333ff">arch_number = 0x0000112D </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">boot_params
          = 0x10000100 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">DRAM
          bank   = 0x00000000 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">-&gt;
          start    = 0x10000000 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">-&gt;
          size     = 0x40000000 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">eth0name   
          = FEC </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">ethaddr    
          = 00:01:02:03:04:05 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">current
          eth = FEC </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">ip_addr    
          = &lt;NULL&gt; </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">baudrate   
          = 115200 bps </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">TLB
          addr    = 0x4FFF0000 </font></font><br>
      <font color="#ff0000" face="Times New Roman, Times, serif">relocaddr  
        = 0x4FF66000 </font><font color="#ff0000"><br>
        <font face="Times New Roman, Times, serif">reloc off   =
          0x38766000 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">irq_sp     
          = 0x4F563F38 </font></font><br>
      <font face="Times New Roman, Times, serif"><font color="#3333ff">sp
          start    = 0x4F563F28</font></font><br>
    </blockquote>
    <font face="Times New Roman, Times, serif"><br>
      We would like to know, why the <font color="#3333ff">"relocaddr
        &amp; reloc off "</font>(as highlighted above) are different? 
      since the source codes are same and compiled in different host PC
      (64bit &amp; 32bit). <br>
      In addition, we checked the u-boot.imx binary file size.  We could
      see the difference in the file size as below<br>
      u-boot.imx(compiled in 32bit host PC) - 313644 bytes<br>
    </font><font face="Times New Roman, Times, serif"><font face="Times
        New Roman, Times, serif">u-boot.imx(compiled in 64bit host PC) -
        318780 bytes</font><br>
      <br>
      <br>
      Thank You,<br>
      Regards,<br>
      Ansari</font>
  </body>
</html>

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