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From: Alexandre Ghiti <alex@ghiti.fr>
To: Andreas Schwab <schwab@linux-m68k.org>,
	Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>,
	Nicholas Piggin <npiggin@gmail.com>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	linux-riscv@lists.infradead.org
Subject: Re: [PATCH v8 1/3] riscv: Introduce CONFIG_RELOCATABLE
Date: Tue, 9 May 2023 21:55:53 +0200	[thread overview]
Message-ID: <4adb27d2-325d-3ce0-23b1-ec69a973b4bf@ghiti.fr> (raw)
In-Reply-To: <87wn1h5nne.fsf@igel.home>

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).

Thanks,

Alex


WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Ghiti <alex@ghiti.fr>
To: Andreas Schwab <schwab@linux-m68k.org>,
	Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>,
	Nicholas Piggin <npiggin@gmail.com>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	linux-riscv@lists.infradead.org
Subject: Re: [PATCH v8 1/3] riscv: Introduce CONFIG_RELOCATABLE
Date: Tue, 9 May 2023 21:55:53 +0200	[thread overview]
Message-ID: <4adb27d2-325d-3ce0-23b1-ec69a973b4bf@ghiti.fr> (raw)
In-Reply-To: <87wn1h5nne.fsf@igel.home>

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).

Thanks,

Alex


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linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Ghiti <alex@ghiti.fr>
To: Andreas Schwab <schwab@linux-m68k.org>,
	Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>,
	linux-kernel@vger.kernel.org, Palmer Dabbelt <palmer@dabbelt.com>,
	Nicholas Piggin <npiggin@gmail.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v8 1/3] riscv: Introduce CONFIG_RELOCATABLE
Date: Tue, 9 May 2023 21:55:53 +0200	[thread overview]
Message-ID: <4adb27d2-325d-3ce0-23b1-ec69a973b4bf@ghiti.fr> (raw)
In-Reply-To: <87wn1h5nne.fsf@igel.home>

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).

Thanks,

Alex


  reply	other threads:[~2023-05-09 19:56 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-15 14:36 [PATCH v8 0/3] Introduce 64b relocatable kernel Alexandre Ghiti
2023-02-15 14:36 ` Alexandre Ghiti
2023-02-15 14:36 ` [PATCH v8 1/3] riscv: Introduce CONFIG_RELOCATABLE Alexandre Ghiti
2023-02-15 14:36   ` Alexandre Ghiti
2023-02-22 12:29   ` Alexandre Ghiti
2023-02-22 12:29     ` Alexandre Ghiti
2023-02-24 15:58     ` Björn Töpel
2023-02-24 15:58       ` Björn Töpel
2023-03-22 18:25       ` Nick Desaulniers
2023-03-22 18:25         ` Nick Desaulniers
2023-03-22 18:25         ` Nick Desaulniers
2023-03-23 20:01         ` Fangrui Song
2023-03-23 20:01           ` Fangrui Song
2023-03-23 20:01           ` Fangrui Song
2023-03-24 10:34         ` Alexandre Ghiti
2023-03-24 10:34           ` Alexandre Ghiti
2023-03-24 10:34           ` Alexandre Ghiti
2023-03-22 13:38     ` Alexandre Ghiti
2023-03-22 13:38       ` Alexandre Ghiti
2023-05-09 19:07   ` Andreas Schwab
2023-05-09 19:07     ` Andreas Schwab
2023-05-09 19:07     ` Andreas Schwab
2023-05-09 19:55     ` Alexandre Ghiti [this message]
2023-05-09 19:55       ` Alexandre Ghiti
2023-05-09 19:55       ` Alexandre Ghiti
2023-05-11 18:18       ` Andreas Schwab
2023-05-11 18:18         ` Andreas Schwab
2023-05-11 18:18         ` Andreas Schwab
2023-05-12 18:41         ` Palmer Dabbelt
2023-05-12 18:41           ` Palmer Dabbelt
2023-05-12 18:41           ` Palmer Dabbelt
2023-05-19 11:08         ` Alexandre Ghiti
2023-05-19 11:08           ` Alexandre Ghiti
2023-05-19 11:08           ` Alexandre Ghiti
2023-05-19 21:48           ` Andreas Schwab
2023-05-19 21:48             ` Andreas Schwab
2023-05-19 21:48             ` Andreas Schwab
2023-05-19 21:55             ` Palmer Dabbelt
2023-05-19 21:55               ` Palmer Dabbelt
2023-05-19 21:55               ` Palmer Dabbelt
2023-05-22 10:48               ` Alexandre Ghiti
2023-05-22 10:48                 ` Alexandre Ghiti
2023-05-22 10:48                 ` Alexandre Ghiti
2023-02-15 14:36 ` [PATCH v8 2/3] powerpc: Move script to check relocations at compile time in scripts/ Alexandre Ghiti
2023-02-15 14:36   ` Alexandre Ghiti
2023-02-15 14:36   ` Alexandre Ghiti
2023-02-15 14:36 ` [PATCH v8 3/3] riscv: Check relocations at compile time Alexandre Ghiti
2023-02-15 14:36   ` Alexandre Ghiti
2023-02-15 14:36   ` Alexandre Ghiti
2023-02-20  9:14 ` [PATCH v8 0/3] Introduce 64b relocatable kernel Björn Töpel
2023-02-20  9:14   ` Björn Töpel

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