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Re: Ping: [PATCH] Emulate dip switch language layout settings on SUN key
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From: |
Artyom Tarasenko |
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Subject: |
Re: Ping: [PATCH] Emulate dip switch language layout settings on SUN keyboard |
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Date: |
Mon, 3 Aug 2020 20:16:43 +0200 |
On Mon, Aug 3, 2020 at 7:52 PM Paolo Bonzini <pbonzini@redhat.com> wrote:
>
> On 03/08/20 19:26, Henrik Carlqvist wrote:
> > Would you please consider my patch which implements the honor of the -k
> > switch
> > for sparc as a sun keyboard language dip switch setting instead of a hard
> > coded en-us keyboard layout?
> >
> > The initial patch mail was sent to the mailing list and the listed
> > maintainers
> > of escc.c and is also available at
> > http://patchwork.ozlabs.org/project/qemu-devel/patch/20200710201911.3a3e336c.hc981@poolhem.se/
> >
> > This ping email is also sent to Gerd Hoffmann who many years ago
> > (2014) selected the en-us keyboard layout as a hardcoded value in escc.c
> > with
> > commit 59e7a130054b55fe15cdfdebf284332b04d990ef.
>
> Artyom, can you review?
>
> Paolo
>
> > Best regards Henrik
> >
> > On Fri, 10 Jul 2020 20:19:11 +0200
> > Henrik Carlqvist <hc981@poolhem.se> wrote:
> >
> >> SUN Type 4, 5 and 5c keyboards have dip switches to choose the language
> >> layout of the keyboard. Solaris makes an ioctl to query the value of the
> >> dipswitches and uses that value to select keyboard layout. Also the SUN
> >> bios like the one in the file ss5.bin uses this value to support at least
> >> some keyboard layouts. However, the OpenBIOS provided with qemu is
> >> hardcoded to allways use an US keyboard layout.
> >>
> >> Before this patch, qemu allways gave dip switch value 0x21 (US keyboard),
> >> this patch uses the command line switch "-k" (keyboard layout) to select
> >> dip switch value. A table is used to lookup values from arguments like:
> >>
> >> -k fr
> >> -k es
> >>
> >> But the patch also accepts numeric dip switch values directly to the -k
> >> switch:
> >>
> >> -k 0x2b
> >> -k 43
> >>
> >> Both values above are the same and select swedish keyboard as explained in
> >> table 3-15 at
> >> https://docs.oracle.com/cd/E19683-01/806-6642/new-43/index.html
> >>
> >> Unless you want to do a full Solaris installation but happen to have
> >> access to a bios file, the easiest way to test that the patch works is to:
> >>
> >> qemu-system-sparc -k sv -bios /path/to/ss5.bin
Can you please move this description to the commit message? (Fixing
typo in "always" ;-) )
> >>
> >> If you already happen to have a Solaris installation in a qemu disk image
> >> file you can easily try different keyboard layouts after this patch is
> >> applied.
> >>
> >> Unfortunately my glib version is too old to compile later versions of qemu
> >> so even though this patch is made from latest git I have only been able to
> >> test it myself with qemu version 4.1.1. I think and hope that this patch
> >> will compile and work also with the latest version of git as it only
> >> affects
> >> one file and there hasn't been much changes to that file since tested
> >> version 4.1.1.
> >>
> >> Best regards Henrik
> >>
> >> From 2f86bd60750d44206b9181f76115e77b58dff544 Mon Sep 17 00:00:00 2001
> >> From: Henrik Carlqvist <hc1245@poolhem.se>
> >> Date: Fri, 10 Jul 2020 19:21:08 +0200
> >> Subject: [PATCH] Emulating sun keyboard languate layout dip switches,
> >> taking
typo: language
> >> the value for the dip switches from the "-k" option to qemu.
> >>
> >> Signed-off-by: Henrik Carlqvist <hc1245@poolhem.se>
> >> ---
> >> hw/char/escc.c | 74
> >> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed,
> >> 73 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/hw/char/escc.c b/hw/char/escc.c
> >> index 7d16ee8688..7287056b5f 100644
> >> --- a/hw/char/escc.c
> >> +++ b/hw/char/escc.c
> >> @@ -30,6 +30,8 @@
> >> #include "qemu/module.h"
> >> #include "hw/char/escc.h"
> >> #include "ui/console.h"
> >> +#include "sysemu/sysemu.h"
> >> +#include "qemu/cutils.h"
> >> #include "trace.h"
> >>
> >> /*
> >> @@ -175,6 +177,7 @@
> >> #define R_MISC1I 14
> >> #define R_EXTINT 15
> >>
> >> +static unsigned char sun_keyboard_layout_dip_switch(void);
> >> static void handle_kbd_command(ESCCChannelState *s, int val);
> >> static int serial_can_receive(void *opaque);
> >> static void serial_receive_byte(ESCCChannelState *s, int ch);
> >> @@ -730,6 +733,75 @@ static QemuInputHandler sunkbd_handler = {
> >> .event = sunkbd_handle_event,
> >> };
> >>
> >> +static unsigned char sun_keyboard_layout_dip_switch(void)
> >> +{
> >> + /* Return the value of the dip-switches in a SUN Type 5 keyboard */
> >> + static unsigned char ret = 0xff;
> >> +
> >> + if ((ret == 0xff) && keyboard_layout) {
> >> + int i;
> >> + struct layout_values {
> >> + const char *lang;
> >> + unsigned char dip;
> >> + } languages[] =
> >> + /* Dip values from table 3-16 Layouts for Type 4, 5, and 5c Keyboards
> >> */+ {
> >> + {"en-us", 0x21}, /* U.S.A. (US5.kt) */
> >> + /* 0x22 is some other US (US_UNIX5.kt)*/
> >> + {"fr", 0x23}, /* France (France5.kt) */
> >> + {"da", 0x24}, /* Denmark (Denmark5.kt) */
> >> + {"de", 0x25}, /* Germany (Germany5.kt) */
> >> + {"it", 0x26}, /* Italy (Italy5.kt) */
> >> + {"nl", 0x27}, /* The Netherlands (Netherland5.kt) */
> >> + {"no", 0x28}, /* Norway (Norway.kt) */
> >> + {"pt", 0x29}, /* Portugal (Portugal5.kt) */
> >> + {"es", 0x2a}, /* Spain (Spain5.kt) */
> >> + {"sv", 0x2b}, /* Sweden (Sweden5.kt) */
> >> + {"fr-ch", 0x2c}, /* Switzerland/French (Switzer_Fr5.kt) */
> >> + {"de-ch", 0x2d}, /* Switzerland/German (Switzer_Ge5.kt) */
> >> + {"en-gb", 0x2e}, /* Great Britain (UK5.kt) */
> >> + {"ko", 0x2f}, /* Korea (Korea5.kt) */
> >> + {"tw", 0x30}, /* Taiwan (Taiwan5.kt) */
> >> + {"ja", 0x31}, /* Japan (Japan5.kt) */
> >> + {"fr-ca", 0x32}, /* Canada/French (Canada_Fr5.kt) */
> >> + {"hu", 0x33}, /* Hungary (Hungary5.kt) */
> >> + {"pl", 0x34}, /* Poland (Poland5.kt) */
> >> + {"cz", 0x35}, /* Czech (Czech5.kt) */
> >> + {"ru", 0x36}, /* Russia (Russia5.kt) */
> >> + {"lv", 0x37}, /* Latvia (Latvia5.kt) */
> >> + {"tr", 0x38}, /* Turkey-Q5 (TurkeyQ5.kt) */
> >> + {"gr", 0x39}, /* Greece (Greece5.kt) */
> >> + {"ar", 0x3a}, /* Arabic (Arabic5.kt) */
> >> + {"lt", 0x3b}, /* Lithuania (Lithuania5.kt) */
> >> + {"nl-be", 0x3c}, /* Belgium (Belgian5.kt) */
> >> + {"be", 0x3c}, /* Belgium (Belgian5.kt) */
> >> + };
> >> +
> >> + for (i = 0;
> >> + i < sizeof(languages) / sizeof(struct layout_values);
> >> + i++) {
> >> + if (!strcmp(keyboard_layout, languages[i].lang)) {
> >> + ret = languages[i].dip;
> >> + return ret;
> >> + }
> >> + }
> >> + /* Found no known language code */
> >> +
> >> + if ((keyboard_layout[0] >= '0') && (keyboard_layout[0] <= '9')) {
> >> + unsigned int tmp;
> >> + /* As a fallback we also accept numeric dip switch value */
> >> + if (!qemu_strtoui(keyboard_layout, NULL, 0, &tmp)) {
> >> + ret = (unsigned char)tmp;
> >> + }
> >> + }
> >> + }
> >> + if (ret == 0xff) {
> >> + /* Final fallback if keyboard_layout was not set or recognized */
> >> + ret = 0x21; /* en-us layout */
> >> + }
> >> + return ret;
> >> +}
> >> +
> >> static void handle_kbd_command(ESCCChannelState *s, int val)
> >> {
> >> trace_escc_kbd_command(val);
> >> @@ -751,7 +823,7 @@ static void handle_kbd_command(ESCCChannelState *s, int
> >> val) case 0xf:
> >> clear_queue(s);
> >> put_queue(s, 0xfe);
> >> - put_queue(s, 0x21); /* en-us layout */
> >> + put_queue(s, sun_keyboard_layout_dip_switch());
> >> break;
> >> default:
> >> break;
> >> --
> >> 2.14.5
> >
Looks good otherwise. For the v2:
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
--
Regards,
Artyom Tarasenko
SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu