qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: "Cédric Le Goater" <clegoate@redhat.com>
To: Thomas Huth <thuth@redhat.com>, qemu-devel@nongnu.org
Cc: qemu-s390x@nongnu.org,
	"Christian Borntraeger" <borntraeger@linux.ibm.com>,
	mrezanin@redhat.com, "Cédric Le Goater" <clg@kaod.org>
Subject: Re: [PATCH 1/4] pc-bios/s390-ccw: Fix indentation in start.S
Date: Mon, 26 Jun 2023 15:40:31 +0200	[thread overview]
Message-ID: <108dc59e-7519-6156-f107-c7fe1a1f36eb@redhat.com> (raw)
In-Reply-To: <20230626132138.87668-2-thuth@redhat.com>

On 6/26/23 15:21, Thomas Huth wrote:
> start.S is currently indented with a mixture of spaces and tabs, which
> is quite ugly. QEMU coding style says indentation should be 4 spaces,
> and this is also what we are using in the assembler files in the
> tests/tcg/s390x/ folder already, so let's adjust start.S accordingly.
> 
> Signed-off-by: Thomas Huth <thuth@redhat.com>

Reviewed-by: Cédric Le Goater <clg@redhat.com>

Thanks,

C.


> ---
>   pc-bios/s390-ccw/start.S | 136 +++++++++++++++++++--------------------
>   1 file changed, 68 insertions(+), 68 deletions(-)
> 
> diff --git a/pc-bios/s390-ccw/start.S b/pc-bios/s390-ccw/start.S
> index 6072906df4..d29de09cc6 100644
> --- a/pc-bios/s390-ccw/start.S
> +++ b/pc-bios/s390-ccw/start.S
> @@ -10,37 +10,37 @@
>    * directory.
>    */
>   
> -        .globl _start
> +    .globl _start
>   _start:
>   
> -	larl   %r15, stack + 0x8000	/* Set up stack */
> +    larl    %r15,stack + 0x8000     /* Set up stack */
>   
> -	/* clear bss */
> -	larl %r2, __bss_start
> -	larl %r3, _end
> -	slgr %r3, %r2		/* get sizeof bss */
> -	ltgr	%r3,%r3 	/* bss empty? */
> -	jz	done
> -	aghi	%r3,-1
> -	srlg	%r4,%r3,8	/* how many 256 byte chunks? */
> -	ltgr	%r4,%r4
> -	lgr	%r1,%r2
> -	jz	remainder
> +    /* clear bss */
> +    larl    %r2,__bss_start
> +    larl    %r3,_end
> +    slgr    %r3,%r2    /* get sizeof bss */
> +    ltgr    %r3,%r3    /* bss empty? */
> +    jz      done
> +    aghi    %r3,-1
> +    srlg    %r4,%r3,8  /* how many 256 byte chunks? */
> +    ltgr    %r4,%r4
> +    lgr     %r1,%r2
> +    jz      remainder
>   loop:
> -	xc	0(256,%r1),0(%r1)
> -	la	%r1,256(%r1)
> -	brctg	%r4,loop
> +    xc      0(256,%r1),0(%r1)
> +    la      %r1,256(%r1)
> +    brctg   %r4,loop
>   remainder:
> -	larl	%r2,memsetxc
> -	ex	%r3,0(%r2)
> +    larl    %r2,memsetxc
> +    ex      %r3,0(%r2)
>   done:
> -        /* set up a pgm exception disabled wait psw */
> -        larl	%r2, disabled_wait_psw
> -        mvc	0x01d0(16), 0(%r2)
> -        j      main		/* And call C */
> +    /* set up a pgm exception disabled wait psw */
> +    larl    %r2,disabled_wait_psw
> +    mvc     0x01d0(16),0(%r2)
> +    j       main       /* And call C */
>   
>   memsetxc:
> -	xc	0(1,%r1),0(%r1)
> +    xc      0(1,%r1),0(%r1)
>   
>   
>   /*
> @@ -48,11 +48,11 @@ memsetxc:
>    *
>    * stops the current guest cpu.
>    */
> -	.globl disabled_wait
> +    .globl disabled_wait
>   disabled_wait:
> -	larl	%r1,disabled_wait_psw
> -	lpswe	0(%r1)
> -1:	j	1b
> +    larl    %r1,disabled_wait_psw
> +    lpswe   0(%r1)
> +1:  j       1b
>   
>   
>   /*
> @@ -60,61 +60,61 @@ disabled_wait:
>    *
>    * eats one sclp interrupt
>    */
> -        .globl consume_sclp_int
> +    .globl consume_sclp_int
>   consume_sclp_int:
> -        /* enable service interrupts in cr0 */
> -        stctg   %c0,%c0,0(%r15)
> -        oi      6(%r15),0x2
> -        lctlg   %c0,%c0,0(%r15)
> -        /* prepare external call handler */
> -        larl %r1, external_new_code
> -        stg %r1, 0x1b8
> -        larl %r1, external_new_mask
> -        mvc 0x1b0(8),0(%r1)
> -        /* load enabled wait PSW */
> -        larl %r1, enabled_wait_psw
> -        lpswe 0(%r1)
> +    /* enable service interrupts in cr0 */
> +    stctg   %c0,%c0,0(%r15)
> +    oi      6(%r15),0x2
> +    lctlg   %c0,%c0,0(%r15)
> +    /* prepare external call handler */
> +    larl    %r1,external_new_code
> +    stg     %r1,0x1b8
> +    larl    %r1,external_new_mask
> +    mvc     0x1b0(8),0(%r1)
> +    /* load enabled wait PSW */
> +    larl    %r1,enabled_wait_psw
> +    lpswe   0(%r1)
>   
>   /*
>    * void consume_io_int(void)
>    *
>    * eats one I/O interrupt
>    */
> -        .globl consume_io_int
> +    .globl consume_io_int
>   consume_io_int:
> -        /* enable I/O interrupts in cr6 */
> -        stctg %c6,%c6,0(%r15)
> -        oi    4(%r15), 0xff
> -        lctlg %c6,%c6,0(%r15)
> -        /* prepare i/o call handler */
> -        larl  %r1, io_new_code
> -        stg   %r1, 0x1f8
> -        larl  %r1, io_new_mask
> -        mvc   0x1f0(8),0(%r1)
> -        /* load enabled wait PSW */
> -        larl  %r1, enabled_wait_psw
> -        lpswe 0(%r1)
> +    /* enable I/O interrupts in cr6 */
> +    stctg   %c6,%c6,0(%r15)
> +    oi      4(%r15), 0xff
> +    lctlg   %c6,%c6,0(%r15)
> +    /* prepare i/o call handler */
> +    larl    %r1,io_new_code
> +    stg     %r1,0x1f8
> +    larl    %r1,io_new_mask
> +    mvc     0x1f0(8),0(%r1)
> +    /* load enabled wait PSW */
> +    larl    %r1,enabled_wait_psw
> +    lpswe   0(%r1)
>   
>   external_new_code:
> -        /* disable service interrupts in cr0 */
> -        stctg   %c0,%c0,0(%r15)
> -        ni      6(%r15),0xfd
> -        lctlg   %c0,%c0,0(%r15)
> -        br      %r14
> +    /* disable service interrupts in cr0 */
> +    stctg   %c0,%c0,0(%r15)
> +    ni      6(%r15),0xfd
> +    lctlg   %c0,%c0,0(%r15)
> +    br      %r14
>   
>   io_new_code:
> -        /* disable I/O interrupts in cr6 */
> -        stctg %c6,%c6,0(%r15)
> -        ni    4(%r15), 0x00
> -        lctlg %c6,%c6,0(%r15)
> -        br    %r14
> +    /* disable I/O interrupts in cr6 */
> +    stctg   %c6,%c6,0(%r15)
> +    ni      4(%r15),0x00
> +    lctlg   %c6,%c6,0(%r15)
> +    br      %r14
>   
> -        .align  8
> +    .align  8
>   disabled_wait_psw:
> -        .quad   0x0002000180000000,0x0000000000000000
> +    .quad   0x0002000180000000,0x0000000000000000
>   enabled_wait_psw:
> -        .quad   0x0302000180000000,0x0000000000000000
> +    .quad   0x0302000180000000,0x0000000000000000
>   external_new_mask:
> -        .quad   0x0000000180000000
> +    .quad   0x0000000180000000
>   io_new_mask:
> -        .quad   0x0000000180000000
> +    .quad   0x0000000180000000



  reply	other threads:[~2023-06-26 13:41 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-26 13:21 [PATCH 0/4] pc-bios/s390-ccw: Fixes and improvements for start.S Thomas Huth
2023-06-26 13:21 ` [PATCH 1/4] pc-bios/s390-ccw: Fix indentation in start.S Thomas Huth
2023-06-26 13:40   ` Cédric Le Goater [this message]
2023-06-26 13:21 ` [PATCH 2/4] pc-bios/s390-ccw: Provide space for initial stack frame " Thomas Huth
2023-06-26 13:41   ` Cédric Le Goater
2023-06-26 14:46   ` Christian Borntraeger
2023-06-26 13:21 ` [PATCH 3/4] pc-bios/s390-ccw: Move the stack array into start.S Thomas Huth
2023-06-26 14:54   ` Christian Borntraeger
2023-06-26 15:25     ` Richard Henderson
2023-06-27  6:55       ` Thomas Huth
2023-06-26 13:21 ` [PATCH 4/4] pc-bios/s390-ccw: Don't use __bss_start with the "larl" instruction Thomas Huth

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=108dc59e-7519-6156-f107-c7fe1a1f36eb@redhat.com \
    --to=clegoate@redhat.com \
    --cc=borntraeger@linux.ibm.com \
    --cc=clg@kaod.org \
    --cc=mrezanin@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=qemu-s390x@nongnu.org \
    --cc=thuth@redhat.com \
    /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).