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|
#!/usr/bin/env tclsh
#===============================================================================
#
# gen_synthfb.tcl
#
# Generate header files for all enabled synthetic target framebuffer devices.
#
#===============================================================================
# ####ECOSGPLCOPYRIGHTBEGIN####
# -------------------------------------------
# This file is part of eCos, the Embedded Configurable Operating System.
# Copyright (C) 2008 Free Software Foundation, Inc.
#
# eCos is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 or (at your option) any later
# version.
#
# eCos is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with eCos; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# As a special exception, if other files instantiate templates or use
# macros or inline functions from this file, or you compile this file
# and link it with other works to produce a work based on this file,
# this file does not by itself cause the resulting work to be covered by
# the GNU General Public License. However the source code for this file
# must still be made available in accordance with section (3) of the GNU
# General Public License v2.
#
# This exception does not invalidate any other reasons why a work based
# on this file might be covered by the GNU General Public License.
# -------------------------------------------
# ####ECOSGPLCOPYRIGHTEND####
#===============================================================================
######DESCRIPTIONBEGIN####
#
# Author(s): bartv
# Date: 2005-10-28
#
# This script is invoked via a custom make rule to generate files
# <cyg/io/framebufs/synth_fb.h> and synth_fbs.c
#
#####DESCRIPTIONEND####
#===============================================================================
proc do_it { prefix } {
set pkgconf_file [file join $prefix "include/pkgconf/devs_framebuf_synth.h"]
if { ! [file exists $pkgconf_file] } {
puts stderr "gen_synthfb.tcl: missing configuration header $pkgconf_file"
exit 1
}
set fd [open $pkgconf_file "r"]
set data [read $fd]
close $fd
array set defines [list]
foreach line [split $data "\n"] {
if { [regexp -- {^\#define[[:space:]]*([a-zA-Z_][a-zA-Z0-9_]*)[[:space:]]+([^[:space:]]+)$} $line junk symbol value] } {
set defines($symbol) $value
}
}
set data \
"/*
* File <cyg/io/framebufs/synth_fb.h>
*
* This is a generated file - do not edit!
* It should not be \#include'd directly. Instead use <cyg/io/framebuf.h>
*/
#include <cyg/io/framebuf.inl>
"
for { set fb 0 } { $fb < 4 } { incr fb } {
if { ! [info exists defines(CYGPKG_DEVS_FRAMEBUF_SYNTH_FB[set fb])] } {
continue
}
set width $defines(CYGNUM_DEVS_FRAMEBUF_SYNTH_FB[set fb]_WIDTH)
set height $defines(CYGNUM_DEVS_FRAMEBUF_SYNTH_FB[set fb]_HEIGHT)
set flags0 "(CYG_FB_FLAGS0_LINEAR_FRAMEBUFFER | \\\n CYG_FB_FLAGS0_DOUBLE_BUFFER | \\\n"
if { [info exists defines(CYGIMP_DEVS_FRAMEBUF_SYNTH_FB[set fb]_VIEWPORT) ] } {
set viewport_width $defines(CYGNUM_DEVS_FRAMEBUF_SYNTH_FB[set fb]_VIEWPORT_WIDTH)
set viewport_height $defines(CYGNUM_DEVS_FRAMEBUF_SYNTH_FB[set fb]_VIEWPORT_HEIGHT)
append flags0 " CYG_FB_FLAGS0_VIEWPORT | \\\n"
} else {
set viewport_width $width
set viewport_height $height
}
if { [info exists defines(CYGNUM_DEVS_FRAMEBUF_SYNTH_FB[set fb]_PAGE_FLIPPING)] } {
append flags0 " CYG_FB_FLAGS0_PAGE_FLIPPING | \\\n"
}
set paletted 1
switch -- $defines(CYGDAT_DEVS_FRAMEBUF_SYNTH_FB[set fb]_FORMAT) {
1BPP_BE_PAL888 {
set format "CYG_FB_FORMAT_1BPP_PAL888"
set suffix "1BE"
set depth 1
set stride [expr ($width + 7) >> 3]
}
1BPP_LE_PAL888 {
append flags0 " CYG_FB_FLAGS0_LE | \\\n"
set format "CYG_FB_FORMAT_1BPP_PAL888"
set suffix "1LE"
set depth 1
set stride [expr ($width + 7) >> 3]
}
2BPP_BE_PAL888 {
set format "CYG_FB_FORMAT_2BPP_PAL888"
set suffix "2BE"
set depth 2
set stride [expr ($width + 3) >> 2]
}
2BPP_LE_PAL888 {
append flags0 " CYG_FB_FLAGS0_LE | \\\n"
set format "CYG_FB_FORMAT_2BPP_PAL888"
set suffix "2LE"
set depth 2
set stride [expr ($width + 3) >> 2]
}
4BPP_BE_PAL888 {
set format "CYG_FB_FORMAT_4BPP_PAL888"
set suffix "4BE"
set depth 4
set stride [expr ($width + 1) >> 1]
}
4BPP_LE_PAL888 {
append flags0 " CYG_FB_FLAGS0_LE | \\\n"
set format "CYG_FB_FORMAT_4BPP_PAL888"
set suffix "4LE"
set depth 4
set stride [expr ($width + 1) >> 1]
}
8BPP_PAL888 {
set format "CYG_FB_FORMAT_8BPP_PAL888"
set suffix "8"
set depth 8
set stride $width
}
8BPP_TRUE_332 {
set format "CYG_FB_FORMAT_8BPP_TRUE_332"
set suffix "8"
set paletted 0
set make_colour_fn "cyg_fb_dev_make_colour_8bpp_true_332"
set break_colour_fn "cyg_fb_dev_break_colour_8bpp_true_332"
set make_colour_macro "CYG_FB_MAKE_COLOUR_8BPP_TRUE_332"
set break_colour_macro "CYG_FB_BREAK_COLOUR_8BPP_TRUE_332"
set depth 8
set stride $width
}
16BPP_TRUE_565 {
set format "CYG_FB_FORMAT_16BPP_TRUE_565"
set suffix "16"
set paletted 0
set make_colour_fn "cyg_fb_dev_make_colour_16bpp_true_565"
set break_colour_fn "cyg_fb_dev_break_colour_16bpp_true_565"
set make_colour_macro "CYG_FB_MAKE_COLOUR_16BPP_TRUE_565"
set break_colour_macro "CYG_FB_BREAK_COLOUR_16BPP_TRUE_565"
set depth 16
set stride [expr $width * 2]
}
16BPP_TRUE_555 {
set format "CYG_FB_FORMAT_16BPP_TRUE_555"
set suffix "16"
set paletted 0
set make_colour_fn "cyg_fb_dev_make_colour_16bpp_true_555"
set break_colour_fn "cyg_fb_dev_break_colour_16bpp_true_555"
set make_colour_macro "CYG_FB_MAKE_COLOUR_16BPP_TRUE_555"
set break_colour_macro "CYG_FB_BREAK_COLOUR_16BPP_TRUE_555"
set depth 16
set stride [expr $width * 2]
}
32BPP_TRUE_0888 {
set format "CYG_FB_FORMAT_32BPP_TRUE_0888"
set suffix "32"
set paletted 0
set make_colour_fn "cyg_fb_dev_make_colour_32bpp_true_0888"
set break_colour_fn "cyg_fb_dev_break_colour_32bpp_true_0888"
set make_colour_macro "CYG_FB_MAKE_COLOUR_32BPP_TRUE_0888"
set break_colour_macro "CYG_FB_BREAK_COLOUR_32BPP_TRUE_0888"
set depth 32
set stride [expr $width * 4]
}
}
if { $paletted } {
append flags0 " CYG_FB_FLAGS0_PALETTE | \\\n CYG_FB_FLAGS0_WRITEABLE_PALETTE | \\\n"
set write_palette_fn "cyg_synth_fb_write_palette"
set read_palette_fn "cyg_synth_fb_read_palette"
set make_colour_fn "cyg_fb_nop_make_colour"
set break_colour_fn "cyg_fb_nop_break_colour"
} else {
append flags0 " CYG_FB_FLAGS0_TRUE_COLOUR | \\\n"
set write_palette_fn "cyg_fb_nop_write_palette"
set read_palette_fn "cyg_fb_nop_read_palette"
}
append flags0 " CYG_FB_FLAGS0_BLANK)"
# The framebuffer parameters
append data \
"
extern cyg_fb cyg_synth_fb[set fb];
extern cyg_uint8* cyg_synth_fb[set fb]_base;
#define CYG_FB_fb[set fb]_STRUCT cyg_synth_fb[set fb]
#define CYG_FB_fb[set fb]_DEPTH $depth
#define CYG_FB_fb[set fb]_FORMAT $format
#define CYG_FB_fb[set fb]_WIDTH $width
#define CYG_FB_fb[set fb]_HEIGHT $height
#define CYG_FB_fb[set fb]_VIEWPORT_WIDTH $viewport_width
#define CYG_FB_fb[set fb]_VIEWPORT_HEIGHT $viewport_height
#define CYG_FB_fb[set fb]_BASE cyg_synth_fb[set fb]_base
#define CYG_FB_fb[set fb]_STRIDE $stride
#define CYG_FB_fb[set fb]_FLAGS0 $flags0
#define CYG_FB_fb[set fb]_FLAGS1 0
#define CYG_FB_fb[set fb]_FLAGS2 0
#define CYG_FB_fb[set fb]_FLAGS3 0
"
# These macros are not part of the usual framebuffer set, but are
# useful because of the configurable nature of the synthetic target
append data \
"
#define CYG_FB_fb[set fb]_SUFFIX $suffix
#define CYG_FB_fb[set fb]_READ_PALETTE_FN $read_palette_fn
#define CYG_FB_fb[set fb]_WRITE_PALETTE_FN $write_palette_fn
#define CYG_FB_fb[set fb]_MAKE_COLOUR_FN $make_colour_fn
#define CYG_FB_fb[set fb]_BREAK_COLOUR_FN $break_colour_fn
"
# And the macro API, all done in terms of the linear framebuffer functions.
append data \
"
#define CYG_FB_fb[set fb]_PIXELx_VAR( _fb_, _id_) CYG_FB_PIXELx_VAR_[set suffix]( _fb_, _id_)
#define CYG_FB_fb[set fb]_PIXELx_SET( _fb_, _id_, _x_, _y_) \\
CYG_MACRO_START \\
CYG_FB_PIXELx_SET_[set suffix]( _fb_, _id_, CYG_FB_fb[set fb]_BASE, CYG_FB_fb[set fb]_STRIDE, _x_, _y_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_PIXELx_GET( _fb_, _id_, _x_, _y_) \\
CYG_MACRO_START \\
CYG_FB_PIXELx_GET_[set suffix]( _fb_, _id_, CYG_FB_fb[set fb]_BASE, CYG_FB_fb[set fb]_STRIDE, _x_, _y_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_PIXELx_ADDX( _fb_, _id_, _incr_) \\
CYG_MACRO_START \\
CYG_FB_PIXELx_ADDX_[set suffix]( _fb_, _id_, CYG_FB_fb[set fb]_STRIDE, _incr_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_PIXELx_ADDY( _fb_, _id_, _incr_) \\
CYG_MACRO_START \\
CYG_FB_PIXELx_ADDY_[set suffix]( _fb_, _id_, CYG_FB_fb[set fb]_STRIDE, _incr_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_PIXELx_WRITE(_fb_, _id_, _colour_) \\
CYG_MACRO_START \\
CYG_FB_PIXELx_WRITE_[set suffix](_fb_, _id_, _colour_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_PIXELx_READ( _fb_, _id_) \\
({ CYG_FB_PIXELx_READ_[set suffix]( _fb_, _id_); })
#define CYG_FB_fb[set fb]_PIXELx_FLUSHABS( _fb_, _id_, _x0_, _y0_, _width_, _height_) \\
CYG_MACRO_START \\
CYG_FB_PIXELx_FLUSHABS_[set suffix](_fb_, _id_, _x0_, _y0_, _width_, _height_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_PIXELx_FLUSHREL( _fb_, _id_, _x0_, _y0_, _dx_, _dy_) \\
CYG_MACRO_START \\
CYG_FB_PIXELx_FLUSHREL_[set suffix](_fb_, _id_, _x0_, _y0_, _dx_, _dy_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_WRITE_PIXEL(_x_, _y_, _colour_) \\
CYG_MACRO_START \\
cyg_fb_linear_write_pixel_[set suffix]_inl(CYG_FB_fb[set fb]_BASE, CYG_FB_fb[set fb]_STRIDE, \\
_x_, _y_, _colour_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_READ_PIXEL(_x_, _y_) \\
({ cyg_fb_linear_read_pixel_[set suffix]_inl(CYG_FB_fb[set fb]_BASE, CYG_FB_fb[set fb]_STRIDE, _x_, _y_); })
#define CYG_FB_fb[set fb]_WRITE_HLINE(_x_, _y_, _len_, _colour_) \\
CYG_MACRO_START \\
cyg_fb_linear_write_hline_[set suffix]_inl(CYG_FB_fb[set fb]_BASE, CYG_FB_fb[set fb]_STRIDE, \\
_x_, _y_, _len_, _colour_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_WRITE_VLINE(_x_, _y_, _len_, _colour_) \\
CYG_MACRO_START \\
cyg_fb_linear_write_vline_[set suffix]_inl(CYG_FB_fb[set fb]_BASE, CYG_FB_fb[set fb]_STRIDE, \\
_x_, _y_, _len_, _colour_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_FILL_BLOCK(_x_, _y_, _width_, _height_, _colour_) \\
CYG_MACRO_START \\
cyg_fb_linear_fill_block_[set suffix]_inl(CYG_FB_fb[set fb]_BASE, CYG_FB_fb[set fb]_STRIDE, \\
_x_, _y_, _width_, _height_, _colour_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_WRITE_BLOCK(_x_, _y_, _width_, _height_, _data_, _offset_, _data_stride_) \\
CYG_MACRO_START \\
cyg_fb_linear_write_block_[set suffix]_inl(CYG_FB_fb[set fb]_BASE, CYG_FB_fb[set fb]_STRIDE, \\
_x_, _y_, _width_, _height_, _data_, _offset_, _data_stride_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_READ_BLOCK(_x_, _y_, _width_, _height_, _data_, _offset_, _data_stride_) \\
CYG_MACRO_START \\
cyg_fb_linear_read_block_[set suffix]_inl(CYG_FB_fb[set fb]_BASE, CYG_FB_fb[set fb]_STRIDE, \\
_x_, _y_, _width_, _height_, _data_, _offset_, _data_stride_); \\
CYG_MACRO_END
#define CYG_FB_fb[set fb]_MOVE_BLOCK(_x_, _y_, _width_, _height_, _new_x_, _new_y_) \\
CYG_MACRO_START \\
cyg_fb_linear_move_block_[set suffix]_inl(CYG_FB_fb[set fb]_BASE, CYG_FB_fb[set fb]_STRIDE, \\
_x_, _y_, _width_, _height_, _new_x_, _new_y_); \\
CYG_MACRO_END
"
if { !$paletted } {
append data \
"
#define CYG_FB_fb[set fb]_MAKE_COLOUR(_r_, _g_, _b_) \\
({ [set make_colour_macro](_r_, _g_, _b_); })
#define CYG_FB_fb[set fb]_BREAK_COLOUR(_colour_, _r_, _g_, _b_) \\
CYG_MACRO_START \\
[set break_colour_macro](_colour_, _r_, _g_, _b_); \\
CYG_MACRO_END
"
}
}
set old_data ""
set framebuf_file [file join $prefix "include/cyg/io/framebufs/synth_fb.h"]
if { [file exists $framebuf_file] && [file readable $framebuf_file] } {
set fd [open $framebuf_file "r"]
set old_data [read $fd]
close $fd
}
if { ! [string equal $old_data $data] } {
if { ! [info exists [file dirname $framebuf_file]] } {
file mkdir [file dirname $framebuf_file]
}
set fd [open $framebuf_file "w"]
puts -nonewline $fd $data
close $fd
}
}
if { 0 == $::argc } {
puts stderr "gen_synthfb.tcl: missing argument for install directory"
exit 1
}
if { [catch { do_it [lindex $::argv 0] } msg] } {
puts stderr "gen_synthfb.tcl: internal error"
puts stderr " $msg"
exit 1
}
exit 0
|
