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-rw-r--r--abs/core/mkinitcpio-busybox/loadfont-setfont-optional-psf2-font-support.patch453
1 files changed, 453 insertions, 0 deletions
diff --git a/abs/core/mkinitcpio-busybox/loadfont-setfont-optional-psf2-font-support.patch b/abs/core/mkinitcpio-busybox/loadfont-setfont-optional-psf2-font-support.patch
new file mode 100644
index 0000000..a7592de
--- /dev/null
+++ b/abs/core/mkinitcpio-busybox/loadfont-setfont-optional-psf2-font-support.patch
@@ -0,0 +1,453 @@
+From 8ce1dc03c1b2b61e51527b987579c09c991cc4b2 Mon Sep 17 00:00:00 2001
+From: Harald Becker <ralda@gmx.de>
+Date: Sun, 21 Feb 2010 12:10:26 +0000
+Subject: loadfont/setfont: optional PSF2 font support
+
+Signed-off-by: Harald Becker <ralda@gmx.de>
+Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
+---
+diff --git a/console-tools/Config.in b/console-tools/Config.in
+index cd0a931..195685b 100644
+--- a/console-tools/Config.in
++++ b/console-tools/Config.in
+@@ -135,4 +135,21 @@ config SHOWKEY
+ help
+ Shows keys pressed.
+
++comment "Common options for loadfont and setfont"
++ depends on LOADFONT || SETFONT
++
++config FEATURE_LOADFONT_PSF2
++ bool "Support for PSF2 console fonts"
++ default n
++ depends on LOADFONT || SETFONT
++ help
++ Support PSF2 console fonts.
++
++config FEATURE_LOADFONT_RAW
++ bool "Support for old (raw) console fonts"
++ default n
++ depends on LOADFONT || SETFONT
++ help
++ Support old (raw) console fonts.
++
+ endmenu
+diff --git a/console-tools/loadfont.c b/console-tools/loadfont.c
+index e833474..e51142c 100644
+--- a/console-tools/loadfont.c
++++ b/console-tools/loadfont.c
+@@ -13,7 +13,7 @@
+ #include <sys/kd.h>
+
+ #ifndef KDFONTOP
+-#define KDFONTOP 0x4B72
++# define KDFONTOP 0x4B72
+ struct console_font_op {
+ unsigned op; /* KD_FONT_OP_* */
+ unsigned flags; /* KD_FONT_FLAG_* */
+@@ -21,91 +21,137 @@ struct console_font_op {
+ unsigned charcount;
+ unsigned char *data; /* font data with height fixed to 32 */
+ };
+-
+-#define KD_FONT_OP_SET 0 /* Set font */
+-#define KD_FONT_OP_GET 1 /* Get font */
+-#define KD_FONT_OP_SET_DEFAULT 2 /* Set font to default,
+- data points to name / NULL */
+-#define KD_FONT_OP_COPY 3 /* Copy from another console */
+-
+-#define KD_FONT_FLAG_OLD 0x80000000 /* Invoked via old interface */
+-#define KD_FONT_FLAG_DONT_RECALC 1 /* Don't call adjust_height() */
++# define KD_FONT_OP_SET 0 /* Set font */
++# define KD_FONT_OP_GET 1 /* Get font */
++# define KD_FONT_OP_SET_DEFAULT 2 /* Set font to default, data points to name / NULL */
++# define KD_FONT_OP_COPY 3 /* Copy from another console */
++# define KD_FONT_FLAG_OLD 0x80000000 /* Invoked via old interface */
++# define KD_FONT_FLAG_DONT_RECALC 1 /* Don't call adjust_height() */
+ /* (Used internally for PIO_FONT support) */
+ #endif /* KDFONTOP */
+
+
+ enum {
+- PSF_MAGIC1 = 0x36,
+- PSF_MAGIC2 = 0x04,
+-
+- PSF_MODE512 = 0x01,
+- PSF_MODEHASTAB = 0x02,
+- PSF_MAXMODE = 0x03,
+- PSF_SEPARATOR = 0xffff
++ PSF1_MAGIC0 = 0x36,
++ PSF1_MAGIC1 = 0x04,
++ PSF1_MODE512 = 0x01,
++ PSF1_MODEHASTAB = 0x02,
++ PSF1_MODEHASSEQ = 0x04,
++ PSF1_MAXMODE = 0x05,
++ PSF1_STARTSEQ = 0xfffe,
++ PSF1_SEPARATOR = 0xffff,
+ };
+
+-struct psf_header {
+- unsigned char magic1, magic2; /* Magic number */
++struct psf1_header {
++ unsigned char magic[2]; /* Magic number */
+ unsigned char mode; /* PSF font mode */
+ unsigned char charsize; /* Character size */
+ };
+
+-#define PSF_MAGIC_OK(x) ((x)->magic1 == PSF_MAGIC1 && (x)->magic2 == PSF_MAGIC2)
++#define psf1h(x) ((struct psf1_header*)(x))
++
++#define PSF1_MAGIC_OK(x) ( \
++ (x)->magic[0] == PSF1_MAGIC0 \
++ && (x)->magic[1] == PSF1_MAGIC1 \
++)
++
++#if ENABLE_FEATURE_LOADFONT_PSF2
++enum {
++ PSF2_MAGIC0 = 0x72,
++ PSF2_MAGIC1 = 0xb5,
++ PSF2_MAGIC2 = 0x4a,
++ PSF2_MAGIC3 = 0x86,
++ PSF2_HAS_UNICODE_TABLE = 0x01,
++ PSF2_MAXVERSION = 0,
++ PSF2_STARTSEQ = 0xfe,
++ PSF2_SEPARATOR = 0xff
++};
++
++struct psf2_header {
++ unsigned char magic[4];
++ unsigned int version;
++ unsigned int headersize; /* offset of bitmaps in file */
++ unsigned int flags;
++ unsigned int length; /* number of glyphs */
++ unsigned int charsize; /* number of bytes for each character */
++ unsigned int height; /* max dimensions of glyphs */
++ unsigned int width; /* charsize = height * ((width + 7) / 8) */
++};
++
++#define psf2h(x) ((struct psf2_header*)(x))
++
++#define PSF2_MAGIC_OK(x) ( \
++ (x)->magic[0] == PSF2_MAGIC0 \
++ && (x)->magic[1] == PSF2_MAGIC1 \
++ && (x)->magic[2] == PSF2_MAGIC2 \
++ && (x)->magic[3] == PSF2_MAGIC3 \
++)
++#endif /* ENABLE_FEATURE_LOADFONT_PSF2 */
+
+-static void do_loadfont(int fd, unsigned char *inbuf, int unit, int fontsize)
++
++static void do_loadfont(int fd, unsigned char *inbuf, int height, int width, int charsize, int fontsize)
+ {
+- char *buf;
++ unsigned char *buf;
++ int charwidth = 32 * ((width+7)/8);
+ int i;
+
+- if (unit < 1 || unit > 32)
+- bb_error_msg_and_die("bad character size %d", unit);
++ if (height < 1 || height > 32 || width < 1 || width > 32)
++ bb_error_msg_and_die("bad character size %dx%d", height, width);
+
+- buf = xzalloc(16 * 1024);
++ buf = xzalloc(charwidth * ((fontsize < 128) ? 128 : fontsize));
+ for (i = 0; i < fontsize; i++)
+- memcpy(buf + (32 * i), inbuf + (unit * i), unit);
++ memcpy(buf + (i*charwidth), inbuf + (i*charsize), charsize);
+
+ { /* KDFONTOP */
+ struct console_font_op cfo;
+-
+ cfo.op = KD_FONT_OP_SET;
+ cfo.flags = 0;
+- cfo.width = 8;
+- cfo.height = unit;
++ cfo.width = width;
++ cfo.height = height;
+ cfo.charcount = fontsize;
+- cfo.data = (void*)buf;
+-#if 0
+- if (!ioctl_or_perror(fd, KDFONTOP, &cfo, "KDFONTOP ioctl failed (will try PIO_FONTX)"))
+- goto ret; /* success */
+-#else
++ cfo.data = buf;
+ xioctl(fd, KDFONTOP, &cfo);
+-#endif
+ }
+
+-#if 0
+-/* These ones do not honour -C tty (they set font on current tty regardless)
+- * On x86, this distinction is visible on framebuffer consoles
+- * (regular character consoles may have only one shared font anyway)
+- */
+-#if defined(PIO_FONTX) && !defined(__sparc__)
+- {
+- struct consolefontdesc cfd;
+-
+- cfd.charcount = fontsize;
+- cfd.charheight = unit;
+- cfd.chardata = buf;
+-
+- if (!ioctl_or_perror(fd, PIO_FONTX, &cfd, "PIO_FONTX ioctl failed (will try PIO_FONT)"))
+- goto ret; /* success */
+- }
+-#endif
+- xioctl(fd, PIO_FONT, buf);
+- ret:
+-#endif /* 0 */
+ free(buf);
+ }
+
+-static void do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize)
++/*
++ * Format of the Unicode information:
++ *
++ * For each font position <uc>*<seq>*<term>
++ * where <uc> is a 2-byte little endian Unicode value (PSF1)
++ * or an UTF-8 coded value (PSF2),
++ * <seq> = <ss><uc><uc>*, <ss> = psf1 ? 0xFFFE : 0xFE,
++ * <term> = psf1 ? 0xFFFF : 0xFF.
++ * and * denotes zero or more occurrences of the preceding item.
++ *
++ * Semantics:
++ * The leading <uc>* part gives Unicode symbols that are all
++ * represented by this font position. The following sequences
++ * are sequences of Unicode symbols - probably a symbol
++ * together with combining accents - also represented by
++ * this font position.
++ *
++ * Example:
++ * At the font position for a capital A-ring glyph, we
++ * may have:
++ * 00C5,212B,FFFE,0041,030A,FFFF
++ * Some font positions may be described by sequences only,
++ * namely when there is no precomposed Unicode value for the glyph.
++ */
++#if !ENABLE_FEATURE_LOADFONT_PSF2
++#define do_loadtable(fd, inbuf, tailsz, fontsize, psf2) \
++ do_loadtable(fd, inbuf, tailsz, fontsize)
++#endif
++static void do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize, int psf2)
+ {
++#if !ENABLE_FEATURE_LOADFONT_PSF2
++/* gcc 4.3.1 code size: */
++# define psf2 0 /* +0 bytes */
++// const int psf2 = 0; /* +8 bytes */
++// enum { psf2 = 0 }; /* +13 bytes */
++#endif
+ struct unimapinit advice;
+ struct unimapdesc ud;
+ struct unipair *up;
+@@ -114,15 +160,48 @@ static void do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize)
+ uint16_t unicode;
+
+ maxct = tailsz; /* more than enough */
+- up = xmalloc(maxct * sizeof(struct unipair));
++ up = xmalloc(maxct * sizeof(*up));
+
+ for (glyph = 0; glyph < fontsize; glyph++) {
+- while (tailsz >= 2) {
+- unicode = (((uint16_t) inbuf[1]) << 8) + inbuf[0];
+- tailsz -= 2;
+- inbuf += 2;
+- if (unicode == PSF_SEPARATOR)
+- break;
++ while (tailsz > 0) {
++ if (!psf2) { /* PSF1 */
++ unicode = (((uint16_t) inbuf[1]) << 8) + inbuf[0];
++ tailsz -= 2;
++ inbuf += 2;
++ if (unicode == PSF1_SEPARATOR)
++ break;
++ } else { /* PSF2 */
++#if ENABLE_FEATURE_LOADFONT_PSF2
++ --tailsz;
++ unicode = *inbuf++;
++ if (unicode == PSF2_SEPARATOR) {
++ break;
++ } else if (unicode == PSF2_STARTSEQ) {
++ bb_error_msg_and_die("unicode sequences not implemented");
++ } else if (unicode >= 0xC0) {
++ if (unicode >= 0xFC)
++ unicode &= 0x01, maxct = 5;
++ else if (unicode >= 0xF8)
++ unicode &= 0x03, maxct = 4;
++ else if (unicode >= 0xF0)
++ unicode &= 0x07, maxct = 3;
++ else if (unicode >= 0xE0)
++ unicode &= 0x0F, maxct = 2;
++ else
++ unicode &= 0x1F, maxct = 1;
++ do {
++ if (tailsz <= 0 || *inbuf < 0x80 || *inbuf > 0xBF)
++ bb_error_msg_and_die("illegal UTF-8 character");
++ --tailsz;
++ unicode = (unicode << 6) + (*inbuf++ & 0x3F);
++ } while (--maxct > 0);
++ } else if (unicode >= 0x80) {
++ bb_error_msg_and_die("illegal UTF-8 character");
++ }
++#else
++ return;
++#endif
++ }
+ up[ct].unicode = unicode;
+ up[ct].fontpos = glyph;
+ ct++;
+@@ -139,58 +218,78 @@ static void do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize)
+ ud.entry_ct = ct;
+ ud.entries = up;
+ xioctl(fd, PIO_UNIMAP, &ud);
++#undef psf2
+ }
+
+-static void do_load(int fd, struct psf_header *psfhdr, size_t len)
++static void do_load(int fd, unsigned char *buffer, size_t len)
+ {
+- int unit;
+- int fontsize;
+- int hastable;
+- unsigned head0, head = head;
+-
+- /* test for psf first */
+- if (len >= sizeof(struct psf_header) && PSF_MAGIC_OK(psfhdr)) {
+- if (psfhdr->mode > PSF_MAXMODE)
++ int height;
++ int width = 8;
++ int charsize;
++ int fontsize = 256;
++ int has_table = 0;
++ unsigned char *font = buffer;
++ unsigned char *table;
++
++ if (len >= sizeof(struct psf1_header) && PSF1_MAGIC_OK(psf1h(buffer))) {
++ if (psf1h(buffer)->mode > PSF1_MAXMODE)
+ bb_error_msg_and_die("unsupported psf file mode");
+- fontsize = ((psfhdr->mode & PSF_MODE512) ? 512 : 256);
+-#if !defined(PIO_FONTX) || defined(__sparc__)
+- if (fontsize != 256)
+- bb_error_msg_and_die("only fontsize 256 supported");
++ if (psf1h(buffer)->mode & PSF1_MODE512)
++ fontsize = 512;
++ if (psf1h(buffer)->mode & PSF1_MODEHASTAB)
++ has_table = 1;
++ height = charsize = psf1h(buffer)->charsize;
++ font += sizeof(struct psf1_header);
++ } else
++#if ENABLE_FEATURE_LOADFONT_PSF2
++ if (len >= sizeof(struct psf2_header) && PSF2_MAGIC_OK(psf2h(buffer))) {
++ if (psf2h(buffer)->version > PSF2_MAXVERSION)
++ bb_error_msg_and_die("unsupported psf file version");
++ fontsize = psf2h(buffer)->length;
++ if (psf2h(buffer)->flags & PSF2_HAS_UNICODE_TABLE)
++ has_table = 2;
++ charsize = psf2h(buffer)->charsize;
++ height = psf2h(buffer)->height;
++ width = psf2h(buffer)->width;
++ font += psf2h(buffer)->headersize;
++ } else
+ #endif
+- hastable = (psfhdr->mode & PSF_MODEHASTAB);
+- unit = psfhdr->charsize;
+- head0 = sizeof(struct psf_header);
+-
+- head = head0 + fontsize * unit;
+- if (head > len || (!hastable && head != len))
+- bb_error_msg_and_die("input file: bad length");
+- } else {
+- /* file with three code pages? */
+- if (len == 9780) {
+- head0 = 40;
+- unit = 16;
+- } else {
+- /* bare font */
+- if (len & 0377)
+- bb_error_msg_and_die("input file: bad length");
+- head0 = 0;
+- unit = len / 256;
+- }
+- fontsize = 256;
+- hastable = 0;
++#if ENABLE_FEATURE_LOADFONT_RAW
++ if (len == 9780) { /* file with three code pages? */
++ charsize = height = 16;
++ font += 40;
++ } else if ((len & 0377) == 0) { /* bare font */
++ charsize = height = len / 256;
++ } else
++#endif
++ {
++ bb_error_msg_and_die("input file: bad length or unsupported font type");
+ }
+
+- do_loadfont(fd, (unsigned char *)psfhdr + head0, unit, fontsize);
+- if (hastable)
+- do_loadtable(fd, (unsigned char *)psfhdr + head, len - head, fontsize);
++#if !defined(PIO_FONTX) || defined(__sparc__)
++ if (fontsize != 256)
++ bb_error_msg_and_die("only fontsize 256 supported");
++#endif
++
++ table = font + fontsize * charsize;
++ buffer += len;
++
++ if (table > buffer || (!has_table && table != buffer))
++ bb_error_msg_and_die("input file: bad length");
++
++ do_loadfont(fd, font, height, width, charsize, fontsize);
++
++ if (has_table)
++ do_loadtable(fd, table, buffer - table, fontsize, has_table - 1);
+ }
+
++
+ #if ENABLE_LOADFONT
+ int loadfont_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+ int loadfont_main(int argc UNUSED_PARAM, char **argv)
+ {
+ size_t len;
+- struct psf_header *psfhdr;
++ unsigned char *buffer;
+
+ // no arguments allowed!
+ opt_complementary = "=0";
+@@ -202,11 +301,11 @@ int loadfont_main(int argc UNUSED_PARAM, char **argv)
+ * just read the entire file.
+ */
+ len = 32*1024; // can't be larger
+- psfhdr = xmalloc_read(STDIN_FILENO, &len);
++ buffer = xmalloc_read(STDIN_FILENO, &len);
+ // xmalloc_open_zipped_read_close(filename, &len);
+- if (!psfhdr)
++ if (!buffer)
+ bb_perror_msg_and_die("error reading input font");
+- do_load(get_console_fd_or_die(), psfhdr, len);
++ do_load(get_console_fd_or_die(), buffer, len);
+
+ return EXIT_SUCCESS;
+ }
+@@ -269,7 +368,7 @@ int setfont_main(int argc UNUSED_PARAM, char **argv)
+ size_t len;
+ unsigned opts;
+ int fd;
+- struct psf_header *psfhdr;
++ unsigned char *buffer;
+ char *mapfilename;
+ const char *tty_name = CURRENT_TTY;
+
+@@ -287,10 +386,10 @@ int setfont_main(int argc UNUSED_PARAM, char **argv)
+ }
+ // load font
+ len = 32*1024; // can't be larger
+- psfhdr = xmalloc_open_zipped_read_close(*argv, &len);
+- if (!psfhdr)
++ buffer = xmalloc_open_zipped_read_close(*argv, &len);
++ if (!buffer)
+ bb_simple_perror_msg_and_die(*argv);
+- do_load(fd, psfhdr, len);
++ do_load(fd, buffer, len);
+
+ // load the screen map, if any
+ if (opts & 1) { // -m
+--
+cgit v0.8.2.1
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