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From: "Jiaxun Yang" <jiaxun.yang@flygoat.com>
To: "Yao Zi" <me@ziyao.cc>, "Simon Glass" <sjg@chromium.org>
Cc: "Tom Rini" <trini@konsulko.com>,
	"Heinrich Schuchardt" <xypron.glpk@gmx.de>,
	"Ilias Apalodimas" <ilias.apalodimas@linaro.org>,
	u-boot@lists.denx.de
Subject: Re: [PATCH v2 08/16] LoongArch: CPU assembly routines
Date: Sat, 04 Jul 2026 12:22:09 +0100	[thread overview]
Message-ID: <d82a1bca-cb31-46a2-a44a-4397dbb26575@app.fastmail.com> (raw)
In-Reply-To: <akgXnCSJC3splAlp@pie>



On Fri, 3 Jul 2026, at 9:12 PM, Yao Zi wrote:
[...]
>> 
>> Is the nop after idle 0 required by the ISA (to guarantee the
>> wake-up completes before the load) or just padding? A
>> one-line comment would help.
>
> I don't think such requirements exist, and LoongArch instructions are
> always 4-byte so there's nothing to pad, too. This is likely
> unintentionally left when re-writing the assembly, and I'll remove it
> in the next version.

This is carried over from Loongson's UEFI assembly. I'd rather not to
touch it.

Thanks

>
>> Regards,
>> Simon
>
> Best regards,
> Yao Zi

-- 
- Jiaxun

  reply	other threads:[~2026-07-04 11:22 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-01 11:17 [PATCH v2 00/16] LoongArch initial support Yao Zi
2026-07-01 11:17 ` [PATCH v2 01/16] lib: fdtdec: Handle multiple memory nodes Yao Zi
2026-07-02 10:22   ` Simon Glass
2026-07-02 20:39     ` Yao Zi
2026-07-01 11:17 ` [PATCH v2 02/16] linux/io.h: Use map_physmem to implement ioremap Yao Zi
2026-07-02 10:21   ` Simon Glass
2026-07-01 11:17 ` [PATCH v2 03/16] image: Take entry point as an output of setup_booti Yao Zi
2026-07-01 17:39   ` Tom Rini
2026-07-02 20:39     ` Yao Zi
2026-07-02 20:55       ` Tom Rini
2026-07-02 21:10         ` Yao Zi
2026-07-02  9:46   ` Simon Glass
2026-07-01 11:17 ` [PATCH v2 04/16] elf: Define LoongArch bits Yao Zi
2026-07-02 10:24   ` Simon Glass
2026-07-01 11:17 ` [PATCH v2 05/16] image: Define IH_ARCH_LOONGARCH Yao Zi
2026-07-02  9:44   ` Simon Glass
2026-07-01 11:17 ` [PATCH v2 06/16] LoongArch: skeleton and headers Yao Zi
2026-07-01 17:47   ` Tom Rini
2026-07-02 20:40     ` Yao Zi
2026-07-02 20:57       ` Tom Rini
2026-07-02 10:28   ` Simon Glass
2026-07-02 21:22     ` Yao Zi
2026-07-01 11:17 ` [PATCH v2 07/16] LoongArch: lib: General routines Yao Zi
2026-07-01 17:49   ` Tom Rini
2026-07-02  9:24     ` Jiaxun Yang
2026-07-02 10:54       ` Simon Glass
2026-07-02 14:07       ` Tom Rini
2026-07-02 20:56         ` Yao Zi
2026-07-02 20:58           ` Tom Rini
2026-07-02 10:28   ` Simon Glass
2026-07-02 21:46     ` Yao Zi
2026-07-01 11:18 ` [PATCH v2 08/16] LoongArch: CPU assembly routines Yao Zi
2026-07-02 10:25   ` Simon Glass
2026-07-03 20:12     ` Yao Zi
2026-07-04 11:22       ` Jiaxun Yang [this message]
2026-07-01 11:18 ` [PATCH v2 09/16] LoongArch: Exception handling Yao Zi
2026-07-02 10:25   ` Simon Glass
2026-07-01 11:18 ` [PATCH v2 10/16] LoongArch: Boot Image bits Yao Zi
2026-07-01 17:53   ` Tom Rini
2026-07-02 10:26   ` Simon Glass
2026-07-01 11:18 ` [PATCH v2 11/16] LoongArch: Generic CPU type Yao Zi
2026-07-01 17:55   ` Tom Rini
2026-07-02 10:26   ` Simon Glass
2026-07-01 11:18 ` [PATCH v2 12/16] cpu: Add loongarch_cpu driver Yao Zi
2026-07-02 10:26   ` Simon Glass
2026-07-01 11:18 ` [PATCH v2 13/16] timer: Add loongarch_timer driver Yao Zi
2026-07-02 10:27   ` Simon Glass
2026-07-01 11:18 ` [PATCH v2 14/16] board: emulation: Add qemu-loongarch Yao Zi
2026-07-02 10:27   ` Simon Glass
2026-07-01 11:18 ` [PATCH v2 15/16] efi: LoongArch: Define LoongArch bits everywhere Yao Zi
2026-07-02 10:27   ` Simon Glass
2026-07-01 11:18 ` [PATCH v2 16/16] efi: LoongArch: Implement everything Yao Zi
2026-07-02 10:29   ` Simon Glass
2026-07-01 15:53 ` [PATCH v2 00/16] LoongArch initial support Jiaxun Yang
2026-07-01 17:59 ` Tom Rini
2026-07-02 10:31 ` [v2,00/16] " Simon Glass

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