On Sat, Dec 2, 2023 at 6:11 PM WANG Rui <wang...@loongson.cn> wrote:
>
> > On Fri, Nov 24, 2023 at 11:46:58PM +0800, WANG Rui wrote:
> > > Currently, kexec loads vmlinux.efi to address 0 instead of the link
> > > address. This causes kexec to fail to boot the new vmlinux.efi on qemu.
> > >
> > >   pei_loongarch_load: kernel_segment: 0000000000000000
> > >   pei_loongarch_load: kernel_entry:   00000000015dc000
> > >   pei_loongarch_load: image_size:     0000000001f30000
> > >   pei_loongarch_load: text_offset:    0000000000200000
> > >   pei_loongarch_load: phys_offset:    0000000000000000
> > >   pei_loongarch_load: PE format:      yes
> > >   loongarch_load_other_segments:333: command_line: kexec 
> > > console=ttyS0,115200
> > >   kexec_load: entry = 0x15dc000 flags = 0x1020000
> > >   nr_segments = 2
> > >   segment[0].buf   = 0x7fffef664010
> > >   segment[0].bufsz = 0x1de9a00
> > >   segment[0].mem   = (nil)
> > >   segment[0].memsz = 0x1f30000
> > >   segment[1].buf   = 0x555555e480b0
> > >   segment[1].bufsz = 0x200
> > >   segment[1].mem   = 0x1f30000
> > >   segment[1].memsz = 0x4000
> > >
> > > This patch adds `text_offset` when adding kernel segment to load
> > > vmlinux.efi to the link address.
> > >
> > >   pei_loongarch_load: kernel_segment: 0000000000000000
> > >   pei_loongarch_load: kernel_entry:   00000000015dc000
> > >   pei_loongarch_load: image_size:     0000000001f30000
> > >   pei_loongarch_load: text_offset:    0000000000200000
> > >   pei_loongarch_load: phys_offset:    0000000000000000
> > >   pei_loongarch_load: PE format:      yes
> > >   loongarch_load_other_segments:335: command_line: kexec 
> > > console=ttyS0,115200
> > >   kexec_load: entry = 0x15dc000 flags = 0x1020000
> > >   nr_segments = 2
> > >   segment[0].buf   = 0x7ffff1a04010
> > >   segment[0].bufsz = 0x1de9a00
> > >   segment[0].mem   = 0x200000
> > >   segment[0].memsz = 0x1f30000
> > >   segment[1].buf   = 0x555555b28098
> > >   segment[1].bufsz = 0x200
> > >   segment[1].mem   = 0x2130000
> > >   segment[1].memsz = 0x4000
> > >
> > > Signed-off-by: WANG Rui <wang...@loongson.cn>
> >
> > Thanks, applied.
>
> Hi Simon,
>
> The patch v1 breaks the real machine. Could you please revert it and just 
> keep v2? Thanks.
Hmmm, if possible, I suggest resetting the old commit before v1 and
only apply v2... The current status makes the history very very
confusing.

Huacai

>
> - Rui
>

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