Hi Ivan,
On Thu, Jun 7, 2018 at 2:28 AM, Ivan Gorinov wrote:
> Add setjmp/longjmp functions for x86_64.
> The FPU control word and MXCSR control bits are preserved across calls.
>
> Signed-off-by: Ivan Gorinov
> ---
> arch/x86/cpu/x86_64/setjmp.S | 66
>
> Am 14.06.2018 um 19:15 schrieb Ivan Gorinov :
>
> On Wed, Jun 13, 2018 at 05:36:26PM -0700, Ivan Gorinov wrote:
>
>>> But bootefi selftest with your patch leads to an immediate reset of the
>>> qemu-x86_64 board.
>>
>> Reproduced the qemu-x86_64 reset.
>> The "info registers" command shows
On Wed, Jun 13, 2018 at 05:36:26PM -0700, Ivan Gorinov wrote:
> > But bootefi selftest with your patch leads to an immediate reset of the
> > qemu-x86_64 board.
>
> Reproduced the qemu-x86_64 reset.
> The "info registers" command shows CR0.MP = 0.
> Setting it in 64-bit startup code did not
On Tue, Jun 12, 2018 at 05:57:34PM +0200, Heinrich Schuchardt wrote:
> On 06/06/2018 08:28 PM, Ivan Gorinov wrote:
> > Add setjmp/longjmp functions for x86_64.
> > The FPU control word and MXCSR control bits are preserved across calls.
>
> With this patch
>
> make mrproper && make
On 06/06/2018 08:28 PM, Ivan Gorinov wrote:
> Add setjmp/longjmp functions for x86_64.
> The FPU control word and MXCSR control bits are preserved across calls.
With this patch
make mrproper && make qemu-x86_64_defconfig && make -j6
produces
arch/x86/cpu/built-in.o: In function `car_init':
Add setjmp/longjmp functions for x86_64.
The FPU control word and MXCSR control bits are preserved across calls.
Signed-off-by: Ivan Gorinov
---
arch/x86/cpu/x86_64/setjmp.S | 66 +++
arch/x86/cpu/x86_64/setjmp.c | 19 -
Add setjmp/longjmp functions for x86_64.
The FPU control word and MXCSR control bits are preserved across calls.
v2:
Added the FPU control word and MXCSR to jmp_buf;
Using ENTRY/ENDPROC macros.
Ivan Gorinov (1):
x86: Add 64-bit setjmp/longjmp implementation
arch/x86/cpu/x86_64/setjmp.S
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