linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Mark Brown <broonie@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	James Morse <james.morse@arm.com>,
	kvmarm@lists.linux.dev, coresight@lists.linaro.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2 14/14] arm64/sysreg: Convert TRBIDR_EL1 register to automatic generation
Date: Tue, 13 Jun 2023 09:56:31 +0530	[thread overview]
Message-ID: <1dca7ec8-a0d1-3038-7e9f-0d2934dc2e37@arm.com> (raw)
In-Reply-To: <4de1ec32-f07b-4eca-99e2-f71a08f5cd5b@sirena.org.uk>



On 6/2/23 17:42, Mark Brown wrote:
> On Fri, Jun 02, 2023 at 11:55:52AM +0530, Anshuman Khandual wrote:
>> This converts TRBIDR_EL1 register to automatic generation without
>> causing any functional change.
> 
>> +Sysreg	TRBIDR_EL1	3	0	9	11	7
>> +Res0	63:12
>> +Field	11:8	EA
> 
> EA is another field which looks like it should be an enum, as with the
> others this shouldn't be a blocker and could be done incrementally.

Will fold the following changes in this patch.

--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -2267,7 +2267,11 @@ EndSysreg
 
 Sysreg TRBIDR_EL1      3       0       9       11      7
 Res0   63:12
-Field  11:8    EA
+Enum   11:8    EA
+       0b0000  NON_DESC
+       0b0001  IGNORE
+       0b0010  SERROR
+EndEnum
 Res0   7:6
 Field  5       F
 Field  4       P


> 
>> +Res0	7:6
>> +Field	5	F
>> +Field	4	P
>> +Field	3:0	Align
> 
> Align arguably too though really it's just encoding the relevant power
> of 2 with the enum coming from the fact that it's limited to at most 2KB
> alignment so a Field may well make more sense.

Can fold the following changes in this patch (if required) unless the Field
looks better than Enum.

--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -2275,5 +2275,18 @@ EndEnum
 Res0   7:6
 Field  5       F
 Field  4       P
-Field  3:0     Align
+Enum   3:0     Align
+       0b0000  BYTE
+       0b0001  HALF_WORD
+       0b0010  WORD
+       0b0011  DOUBLE_WORD
+       0b0100  16_BYTES
+       0b0101  32_BYTES
+       0b0110  64_BYTES
+       0b0111  128_BYTES
+       0b1000  156_BYTES
+       0b1001  512_BYTES
+       0b1010  1_KB
+       0b1011  2_KB
+EndEnum
 EndSysreg

> 
> Reviewed-by: Mark Brown <broonie@kernel.org>

  reply	other threads:[~2023-06-13  4:31 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-02  6:25 [PATCH V2 00/14] arm64/sysreg: Convert TRBE registers to automatic generation Anshuman Khandual
2023-06-02  6:25 ` [PATCH V2 01/14] arm64/sysreg: Rename TRBLIMITR_EL1 fields per auto-gen tools format Anshuman Khandual
2023-06-02  6:25 ` [PATCH V2 02/14] arm64/sysreg: Rename TRBPTR_EL1 " Anshuman Khandual
2023-06-02  6:25 ` [PATCH V2 03/14] arm64/sysreg: Rename TRBBASER_EL1 " Anshuman Khandual
2023-06-02  6:25 ` [PATCH V2 04/14] arm64/sysreg: Rename TRBSR_EL1 " Anshuman Khandual
2023-06-02  6:25 ` [PATCH V2 05/14] arm64/sysreg: Rename TRBMAR_EL1 " Anshuman Khandual
2023-06-02  6:25 ` [PATCH V2 06/14] arm64/sysreg: Rename TRBTRG_EL1 " Anshuman Khandual
2023-06-02  6:25 ` [PATCH V2 07/14] arm64/sysreg: Rename TRBIDR_EL1 " Anshuman Khandual
2023-06-02  6:25 ` [PATCH V2 08/14] arm64/sysreg: Convert TRBLIMITR_EL1 register to automatic generation Anshuman Khandual
2023-06-02 11:57   ` Mark Brown
2023-06-02  6:25 ` [PATCH V2 09/14] arm64/sysreg: Convert TRBPTR_EL1 " Anshuman Khandual
2023-06-02 11:58   ` Mark Brown
2023-06-02  6:25 ` [PATCH V2 10/14] arm64/sysreg: Convert TRBBASER_EL1 " Anshuman Khandual
2023-06-02 11:59   ` Mark Brown
2023-06-02  6:25 ` [PATCH V2 11/14] arm64/sysreg: Convert TRBSR_EL1 " Anshuman Khandual
2023-06-02 12:00   ` Mark Brown
2023-06-02  6:25 ` [PATCH V2 12/14] arm64/sysreg: Convert TRBMAR_EL1 " Anshuman Khandual
2023-06-02 12:05   ` Mark Brown
2023-06-13  4:01     ` Anshuman Khandual
2023-06-13 11:03       ` Mark Brown
2023-06-02  6:25 ` [PATCH V2 13/14] arm64/sysreg: Convert TRBTRG_EL1 " Anshuman Khandual
2023-06-02 12:06   ` Mark Brown
2023-06-02  6:25 ` [PATCH V2 14/14] arm64/sysreg: Convert TRBIDR_EL1 " Anshuman Khandual
2023-06-02 12:12   ` Mark Brown
2023-06-13  4:26     ` Anshuman Khandual [this message]
2023-06-13 11:02       ` Mark Brown
2023-06-08 17:39 ` [PATCH V2 00/14] arm64/sysreg: Convert TRBE registers " Catalin Marinas
2023-06-13  4:27   ` Anshuman Khandual

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1dca7ec8-a0d1-3038-7e9f-0d2934dc2e37@arm.com \
    --to=anshuman.khandual@arm.com \
    --cc=broonie@kernel.org \
    --cc=catalin.marinas@arm.com \
    --cc=coresight@lists.linaro.org \
    --cc=james.morse@arm.com \
    --cc=kvmarm@lists.linux.dev \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=maz@kernel.org \
    --cc=robh@kernel.org \
    --cc=suzuki.poulose@arm.com \
    --cc=will@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).