[PATCH v8 1/3] riscv: Introduce CONFIG_RELOCATABLE

Andreas Schwab schwab at linux-m68k.org
Fri May 12 04:18:23 AEST 2023

On Mai 09 2023, Alexandre Ghiti wrote:

> On 5/9/23 21:07, Andreas Schwab wrote:
>> That does not work with UEFI booting:
>> Loading Linux 6.4.0-rc1-1.g668187d-default ...
>> Loading initial ramdisk ...
>> Unhandled exception: Instruction access fault
>> EPC: ffffffff80016d56 RA: 000000008020334e TVAL: 0000007f80016d56
>> EPC: ffffffff002d1d56 RA: 00000000004be34e reloc adjusted
>> Unhandled exception: Load access fault
>> EPC: 00000000fff462d4 RA: 00000000fff462d0 TVAL: ffffffff80016d56
>> EPC: 00000000802012d4 RA: 00000000802012d0 reloc adjusted
>> Code: c825 8e0d 05b3 40b4 d0ef 0636 7493 ffe4 (d783 0004)
>> UEFI image [0x00000000fe65e000:0x00000000fe6e3fff] '/efi\boot\bootriscv64.efi'
>> UEFI image [0x00000000daa82000:0x00000000dcc2afff]
> I need more details please, as I have a UEFI bootflow and it works great
> (KASLR is based on a relocatable kernel and works fine in UEFI too).

It also crashes without UEFI.  Disabling CONFIG_RELOCATABLE fixes that.
This was tested on the HiFive Unmatched board.
The kernel image I tested is available from
<https://download.opensuse.org/repositories/Kernel:/HEAD/RISCV/>.  The
same kernel with CONFIG_RELOCATABLE disabled is available from

Andreas Schwab, schwab at linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

More information about the Linuxppc-dev mailing list