[PATCH] LoongArch: Load vmlinux.efi to the link address

[Simon Horman]

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 <wangrui at loongson.cn>

Thanks, applied.