[PATCH 2/2] i386/pc386: default graphics driver changed from VGA to VESA based

Gedare Bloom gedare at gwu.edu
Tue May 19 15:44:39 UTC 2015


This one looks fine.

On Tue, May 19, 2015 at 10:34 AM, Jan Dolezal <dolezj21 at fel.cvut.cz> wrote:
> basic VGA driver can be enabled during configure phase by exporting variable
> USE_VGA=1 so that it is available in configure environment
> cirrus driver is enabled the same way by exporting variable
> USE_CIRRUS_GD5446=1
> ---
>  c/src/lib/libbsp/i386/pc386/Makefile.am   | 12 +++++-----
>  c/src/lib/libbsp/i386/pc386/configure.ac  | 38 +++++++++++++++++++------------
>  c/src/lib/libbsp/i386/pc386/preinstall.am |  2 --
>  3 files changed, 29 insertions(+), 23 deletions(-)
>
> diff --git a/c/src/lib/libbsp/i386/pc386/Makefile.am b/c/src/lib/libbsp/i386/pc386/Makefile.am
> index 1da40f2..0f893c6 100644
> --- a/c/src/lib/libbsp/i386/pc386/Makefile.am
> +++ b/c/src/lib/libbsp/i386/pc386/Makefile.am
> @@ -96,17 +96,17 @@ libbsp_a_SOURCES += console/vt.c
>  libbsp_a_SOURCES += console/videoAsm.S
>  libbsp_a_SOURCES += console/kbd_parser.c
>  libbsp_a_SOURCES += console/vgacons.c
> +if USE_VGA
> +libbsp_a_SOURCES += console/fb_vga.c
> +endif
> +if USE_CIRRUS_GD5446
> +libbsp_a_SOURCES += console/fb_cirrus.c
> +endif
>  if USE_VBE_RM
>  include_bsp_HEADERS += include/vbe3.h
>  include_HEADERS += include/edid.h
>  include_bsp_HEADERS += include/fb_vesa.h
>  libbsp_a_SOURCES += console/fb_vesa_rm.c
> -else
> -if USE_CIRRUS_GD5446
> -libbsp_a_SOURCES += console/fb_cirrus.c
> -else
> -libbsp_a_SOURCES += console/fb_vga.c
> -endif
>  endif
>  endif
>
> diff --git a/c/src/lib/libbsp/i386/pc386/configure.ac b/c/src/lib/libbsp/i386/pc386/configure.ac
> index f8855ee..469d5f5 100644
> --- a/c/src/lib/libbsp/i386/pc386/configure.ac
> +++ b/c/src/lib/libbsp/i386/pc386/configure.ac
> @@ -99,21 +99,8 @@ RTEMS_BSPOPTS_HELP([CLOCK_DRIVER_USE_8254],
>   - you do not mind adding roughly 5 microseconds to each context switch.
>  ])
>
> -RTEMS_BSPOPTS_SET([USE_CIRRUS_GD5446],[*],[0])
> -RTEMS_BSPOPTS_HELP([USE_CIRRUS_GD5446],
> -[If defined, enable use of the Cirrus GD5446 controller rather than the very basic
> - VGA driver for frame buffer support.
> -
> - NOTE: This has only been tested on Qemu.])
> -AM_CONDITIONAL(USE_CIRRUS_GD5446,test "$USE_CIRRUS_GD5446" = "1")
> -
> -RTEMS_BSPOPTS_SET([USE_VBE_RM],[*],[0])
> -RTEMS_BSPOPTS_HELP([USE_VBE_RM],
> -[If defined, enables use of the Vesa Bios Extensions - real mode interface,
> - which enables graphical mode and introduce it upon bootup.])
> -AM_CONDITIONAL(USE_VBE_RM,test "$USE_VBE_RM" = "1")
> -
> -if test "${USE_VBE_RM}" = "1" ; then
> +if test "${USE_CIRRUS_GD5446}" != "1" -a "${USE_VGA}" != "1"; then
> +  USE_VBE_RM=1;
>    if test -z "${NUM_APP_DRV_GDT_DESCRIPTORS}"; then
>        NUM_APP_DRV_GDT_DESCRIPTORS=2 ;
>    else
> @@ -125,6 +112,27 @@ RTEMS_BSPOPTS_HELP([NUM_APP_DRV_GDT_DESCRIPTORS],
>  [Defines how many descriptors in GDT may be allocated for application or
>   driver usage.])
>
> +RTEMS_BSPOPTS_SET([USE_CIRRUS_GD5446],[*],[0])
> +RTEMS_BSPOPTS_HELP([USE_CIRRUS_GD5446],
> +[If defined, enables use of the Cirrus GD5446 controller rather than the
> + controller utilizing Vesa Bios Extensions - real mode interface.
> +
> + NOTE: This has only been tested on Qemu.])
> +AM_CONDITIONAL(USE_CIRRUS_GD5446,test "$USE_CIRRUS_GD5446" = "1")
> +
> +RTEMS_BSPOPTS_SET([USE_VGA],[*],[0])
> +RTEMS_BSPOPTS_HELP([USE_VGA],
> +[If defined, enables use of the very basic VGA driver for framebuffer support
> + rather than the controller utilizing Vesa Bios Extensions - real mode
> + interface.])
> +AM_CONDITIONAL(USE_VGA,test "$USE_VGA" = "1")
> +
> +RTEMS_BSPOPTS_SET([USE_VBE_RM],[*],[0])
> +RTEMS_BSPOPTS_HELP([USE_VBE_RM],
> +[Defined by default. Enables use of the Vesa Bios Extensions - real mode
> + interface, which enables graphical mode and introduce it upon bootup.])
> +AM_CONDITIONAL(USE_VBE_RM,test "$USE_VBE_RM" = "1")
> +
>  if test X${CLOCK_DRIVER_USE_TSC} = X1 -a X${CLOCK_DRIVER_USE_8254} = X1 ; then
>    AC_MSG_ERROR([pc386 both TSC and 8254 specified for clock driver])
>  fi
> diff --git a/c/src/lib/libbsp/i386/pc386/preinstall.am b/c/src/lib/libbsp/i386/pc386/preinstall.am
> index 5305fbe..6d87f3a 100644
> --- a/c/src/lib/libbsp/i386/pc386/preinstall.am
> +++ b/c/src/lib/libbsp/i386/pc386/preinstall.am
> @@ -152,8 +152,6 @@ PREINSTALL_FILES += $(PROJECT_INCLUDE)/edid.h
>  $(PROJECT_INCLUDE)/bsp/fb_vesa.h: include/fb_vesa.h $(PROJECT_INCLUDE)/bsp/$(dirstamp)
>         $(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bsp/fb_vesa.h
>  PREINSTALL_FILES += $(PROJECT_INCLUDE)/bsp/fb_vesa.h
> -
> -else
>  endif
>  endif
>  $(PROJECT_INCLUDE)/i386_io.h: ../../i386/shared/comm/i386_io.h $(PROJECT_INCLUDE)/$(dirstamp)
> --
> 1.9.1
>
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