similar to: [PATCH] xen: find a better location for the real-mode trampoline

flight 15155 xen-unstable real [real] http://www.chiark.greenend.org.uk/~xensrcts/logs/15155/ Regressions :-( Tests which did not succeed and are blocking, including tests which could not be run: build-i386 4 xen-build fail REGR. vs. 15130 build-i386-oldkern 4 xen-build fail REGR. vs. 15130 Tests which are failing intermittently

Hi! Attached patches split init.trampoline into adjust.trampoline and init.trampoline, like in gcc. As mentioned in the previous mail, I've not made a documentation patch, since I'm not sure about what the documented semantics of llvm.adjust.trampoline should be. Thanks! -- Sanjoy Das http://playingwithpointers.com -------------- next part -------------- A non-text attachment was

Hi! Attached set of patches splits llvm.init.trampoline into an "init" phase and an "adjust" phase, as discussed on the "Go on dragonegg" thread. Thanks! -- Sanjoy Das http://playingwithpointers.com -------------- next part -------------- A non-text attachment was scrubbed... Name: 0001-Split-intrinsics-and-DAG-nodes.patch Type: text/x-diff Size: 8808 bytes Desc:

I have a question on the LLVM JIT I did some brief memory reading one day and I found that a call to a non-library function is resolved by the X86CompilationCallback, but the X86CompilationCallback is reached through a trampoline. why can not the generated code jump to the X86CompilationCallback function directly ? 0x2b0a6a4d103b: mov $0x2b0a6a561010,%rax 0x2b0a6a4d1045:

Hey guys, Here are my thoughts about current Xen boot infrastructure and some changes proposal. It is linked with EFI development but not only. Since the beginning Xen image and other needed stuff could be loaded into memory according to multiboot protocol. (e.g. implemented by GRUB). It means that current implementation of Xen takes info about current system config from multiboot_info_t

I understand that we need to push the address to a register then branch using the register. But i am asking why there is a trampoline there such that a call to foo is first branched to an snippet and the snippet branches to the X86CompilationCallback. is this snippet necessary ? Thanks Xin On Tue, Feb 22, 2011 at 12:39 PM, Reid Kleckner <reid.kleckner at gmail.com>wrote: > The

Hi! It seems I forgot to attach the patch that documentations the two new intrinsics. I've attached it here. Thanks! -- Sanjoy Das http://playingwithpointers.com -------------- next part -------------- A non-text attachment was scrubbed... Name: 0006-Documentation.patch Type: text/x-diff Size: 5722 bytes Desc: not available URL:

Hi! Thank you for the detailed review. I've attached a new set of patches. -- Sanjoy Das http://playingwithpointers.com -------------- next part -------------- A non-text attachment was scrubbed... Name: 0001-New-trampoline-intrinsics-for-LLVM.patch Type: text/x-diff Size: 16783 bytes Desc: not available URL:

Hi Sanjoy, the first and last patches look good (except that you didn't add any tests for the auto-upgrade functionality). Comments on the other two below. > Attached patches split init.trampoline into adjust.trampoline and > init.trampoline, like in gcc. > > As mentioned in the previous mail, I've not made a documentation > patch, since I'm not sure about what the

The address of the callee may be more than 2 GB away in memory, which cannot be encoded as an immediate offset in the call instruction. So, the value is first materialized with a mov instruction which can encode the immediate and then jumped to through a register. Reid On Tue, Feb 22, 2011 at 12:03 PM, Xin Tong Utoronto <x.tong at utoronto.ca> wrote: > I have a question on the LLVM JIT

From: Tim Deegan <Tim.Deegan at cl.cam.ac.uk> Fix register constraints of final jump to kernel entry. When compiled with some GCC versions, mboot.c32 would clobber the kernel load address and try to jump to 0x2badb002. Signed-off-by: Tim Deegan <Tim.Deegan at cl.cam.ac.uk> --- --- syslinux-3.20-pre8/com32/modules/mboot.c.orig 2006-05-22 11:06:17.000000000 +0100 +++

Hi Sanjoy, > Attached set of patches splits llvm.init.trampoline into an "init" > phase and an "adjust" phase, as discussed on the "Go on dragonegg" > thread. thanks for doing this. The patches look good, though the decomposition into individual patches is not that great (since things won't always work, in fact not even compile I think, with not all

ioemu-remote: The device model needs to write in the ACPI tables when it wakes up from S3 state. Signed-off-by: Jean Guyader <jean.guyader@eu.citrix.com> -- Jean Guyader _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel

OK, so after several weeks of trying to get various versions of Xen running of various distributions, I''m starting to wonder if I''ve got a hardware compatibility problem and as the system never really boots with the Xen kernel I''ve got no log files to tell me where the problem is. I was wondering if there''s a way to compile from source with debug turned on,

This conversation has (partially) moved on to D37896 now, but if possible I was hoping that we could perform this in DAGCombiner and remove the various target specific combines that we still have. At least ARM/AARCH64 and X86 have cases that can hopefully be generalised and removed, but there will probably be a few legality/perf issues that will occur. Simon. > On 14 Sep 2017, at 06:23,

For the following C code __fp16 x, y, z, w; void foo() { x = y + z; x = x + w; } clang produces IR that extends each operand to float and then truncates to half before assigning to x. Like this define dso_local void @foo() #0 !dbg !18 { %1 = load half, half* @y, align 2, !dbg !21 %2 = fpext half %1 to float, !dbg !21 %3 = load half, half* @z, align 2, !dbg !22 %4 = fpext half %3 to float, !dbg

Hi Ian, can we push multiboot v2 support for Xen/ARM still into 4.3? It looks like it can coexists with zImage in the same binary - the multiboot structure can be put just behind the zImage header and the code can determine how it has been started: zImage bootloaders clears r0, multiboot one''s would set r0 to the MB magic. I will sketch a patch tomorrow, just wondering if we can have

Following is one grub entry menuentry "Ubuntu, Linux 2.6.32.27" { insmod ntfs set root=''(hd0,2)'' search --no-floppy --fs-uuid --set 96f65c80f65c6313 loopback loop0 /ubuntu/disks/root.disk set root=(loop0) linux /boot/vmlinuz-2.6.32.27 root=/dev/sda2 loop=/ubuntu/disks/root.disk ro quiet splash initrd

I am currently improving the D37896 to include the suggestions from Chad. However, running the lit checks for the x86 backend I observe some changes in the generated MC, e.g.: llvm/test/CodeGen/X86/lea-3.ll:13:10: error: expected string not found in input ; CHECK: leal ([[A0]],[[A0]],2), %eax ^ <stdin>:10:2: note: scanning from here orq %rdi, %rax ^ <stdin>:10:2:

Dear LLVM-Mailing list (again), I still have another beginners question in my mind - thank you for your patience. Again I was playing around, but this time with llvm::Function. In an older question I learned, that I can replace a llvm::Function directly with an address. llvm::Function *function = mainModue->getFunction("puts"); function->replaceAllUsesWith(