Hi Andrew,
One more problem with Clang compilation.
I modified MdeModulePkg/Application/HelloWorld/HelloWorld.c with two lines
———
Index = 1234;
AsciiPrint("Index=%d\n", Index);
——
And compile it with GCC49 and with Clang.
First printed 1234, second printed address instead of value
Sergey
On 01 сент. 2014 г., at 21:43, Sergey Isakov <isakov...@bk.ru> wrote:
> Hi,
> QvmfPkg compiled by XCODE5 to RELEASE works with Qemu 2.1.0 !
> Great!
> Sergey
>
>
> On 01 сент. 2014 г., at 11:09, Sergey Isakov <isakov...@bk.ru> wrote:
>
>> Hi Andrew,
>> your patches are good. I tested CpuExceptionHandler.lib and Thunk16.nasm in
>> Ovmf+Qemu2.0 compiled by GCC49. Works fine!
>> But with XCLANG (Xcode 4.4.1) I got an error
>> ------
>> qemu: fatal: Trying to execute code outside RAM or ROM at 0x00000000000a0000
>>
>> RAX=0000000000000000 RBX=00000000fffcc0e4 RCX=800000000000000e
>> RDX=000000007ff95df8
>> RSI=00000000fffd6104 RDI=0000000000005042 RBP=000000007ff5b9a0
>> RSP=000000007ff5b930
>> R8 =000000007fe75d70 R9 =000000007fe75d88 R10=0000000000000000
>> R11=0000000000000000
>> R12=0000000000000000 R13=0000000000000000 R14=0000000000000000
>> R15=0000000000000000
>> RIP=000000000009ffbe RFL=00000046 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
>> ES =0008 0000000000000000 ffffffff 00cf9300 DPL=0 DS [-WA]
>> CS =0018 0000000000000000 ffffffff 00af9b00 DPL=0 CS64 [-RA]
>> SS =0008 0000000000000000 ffffffff 00cf9300 DPL=0 DS [-WA]
>> DS =0008 0000000000000000 ffffffff 00cf9300 DPL=0 DS [-WA]
>> FS =0008 0000000000000000 ffffffff 00cf9300 DPL=0 DS [-WA]
>> GS =0008 0000000000000000 ffffffff 00cf9300 DPL=0 DS [-WA]
>> LDT=0000 0000000000000000 0000ffff 00008200 DPL=0 LDT
>> TR =0000 0000000000000000 0000ffff 00008b00 DPL=0 TSS64-busy
>> GDT= 00000000ffffff80 0000001f
>> IDT= 000000007c01fd58 0000021f
>> CR0=80000033 CR2=0000000000000000 CR3=000000007fefa000 CR4=00000660
>> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000
>> DR3=0000000000000000
>> DR6=00000000ffff0ff0 DR7=0000000000000400
>> CCS=0000000000000000 CCD=0000000000000000 CCO=ADDB
>> EFER=0000000000000500
>> FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
>> FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
>> FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
>> FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
>> FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
>> XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000
>> XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000
>> XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000
>> XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000
>> XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000
>> XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
>> XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
>> XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
>> Abort trap: 6
>>
>> -------
>> I will debug the issue and it will take me a time.
>> Just an error with GCC
>> -----
>> X64/ExceptionHandlerAsm.iii:32: Error: alignment not a power of 2
>> -----
>> Should be there align32?
>> ---------
>> #EXTRN ASM_PFX(mDoFarReturnFlag):QWORD # Do far return flag
>> .text
>> +.align 3
>>
>> #
>> ---------
>>
>> After that I may recommend these patches to be committed into trunk.
>>
>> Thanks for the great work!
>> Sergey
>>
>>
>> On 30.08.2014, at 3:53, Andrew Fish wrote:
>>
>>> With these 3 patches you can boot the EFI shell X64 Ovmf on Mac OS X using
>>> Xcode 5.
>>> [edk2] [OvmfPkg][Review] Use XCODE5 toolchain for current and future OS X
>>> versions
>>> [edk2] [SourceLevelDebugPkg] Code review: Compile/link with clang/Xcode 5
>>> [UefiCpuPkg][CpuExceptionHandlerLib] Make self modifying code work with
>>> Xcode
>>>
>>> OvmfPkg/build.sh -a X64
>>> OvmfPkg/build.sh -a X64 qemu -debugcon file:debug.log -global
>>> isa-debugcon.iobase=0x402 -monitor stdio -no-reboot -no-shutdown -s
>>> -singlestep
>>>
>>> I was forced to install nasm, and you MUST set NASM_PREFIX to the install
>>> location of nasm. Xcode ships with a very old version of nasm in
>>> /usr/bin/nasm.
>>>
>>> You get errors trying to assemble the SEC with the Xcode nasm (It looks
>>> like it is missing some needed features).
>>> Ia32/Flat32ToFlat64.asm:38: warning: numeric constant 0x100000000 does not
>>> fit in 32 bits
>>> Ia32/Flat32ToFlat64.asm:39: error: `64' is not a valid segment size; must
>>> be 16 or 32
>>> Ia16/Real16ToFlat32.asm:40: warning: numeric constant 0x100000000 does not
>>> fit in 32 bits
>>> Ia16/Real16ToFlat32.asm:62: warning: numeric constant 0x100000000 does not
>>> fit in 32 bits
>>> Main.asm:78: error: `64' is not a valid segment size; must be 16 or 32
>>>
>>> Thanks,
>>>
>>> Andrew Fish
>>>
>>> PS. Sorry I omitted Contributed-under, and Signed-off-by from some of the
>>> patch mails. It has been a long week.
>>>
>>> Contributed-under: TianoCore Contribution Agreement 1.0
>>> Signed-off-by: Anderw Fish <af...@apple.com>
>>>
>>> ------------------------------------------------------------------------------
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>>
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>
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