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authorneal <neal>2007-11-16 13:35:00 +0000
committerneal <neal>2007-11-16 13:35:00 +0000
commite46ff816c662bc8b47dfc00bbe5501dbeffd93bb (patch)
tree16603b813cf7301b85b58f28217aa188825513d8 /viengoos/output.c
parent17b21c229fe9756a2e9ec158b6bdf5c2ca9869a5 (diff)
2007-11-16 Neal H. Walfield <neal@gnu.org>
* viengoos/Makefile.am: New file based on ../wortel/Makefile.am. * viengoos/headers.m4: New file. * viengoos/config.m4: New file based on ../wortel/config.m4. * viengoos/viengoos.h: New file. * viengoos/viengoos.c: New file. * viengoos/activity.h: Likewise. * viengoos/activity.c: Likewise. * viengoos/as.h: Likewise. * viengoos/as.c: Likewise. * viengoos/cap-lookup.c: Likewise. * viengoos/cap.h: Likewise. * viengoos/cap.c: Likewise. * viengoos/thread.h: New file. * viengoos/thread.c: New file. * viengoos/object.h: New file. * viengoos/object.c: New file. * viengoos/rm.h: New file. * viengoos/server.c: New file. * viengoos/server.h: New file. * viengoos/zalloc.h: Copied from ../physmem. * viengoos/zalloc.c: Copied from ../physmem. Don't include "output.h". Include <hurd/stddef.h>. Change uses of min_page_size to PAGESIZE. * viengoos/memory.h: New file. * viengoos/memory.c: New file. * viengoos/sigma0.c: Copy from ../wortel. * viengoos/sigma0.h: Copy from ../wortel. Don't include "shutdown.h". Include <hurd/stddef.h>. * viengoos/bits.h: Likewise. * viengoos/panic.c: New file. * viengoos/debug.c: Likewise. * viengoos/debug.h: Likewise. * viengoos/boot-modules.h: Likewise. * viengoos/boot-modules.c: Likewise. * viengoos/elf.h: Copied from ../wortel. * viengoos/loader.c: New file based on ../wortel/loader.c. * viengoos/loader.h: New file. * viengoos/multiboot.h: Copied from Grub. * viengoos/mmap.c: New file based on ../physmem/mmap.c. * viengoos/malloc-wrap.c: New file based on ../physmem/malloc-wrap.c. * viengoos/malloc.c: Version 2.8.3 of Doug Lea's malloc.c. * viengoos/malloc.h: Version 2.8.3 of Doug Lea's malloc.h. * viengoos/ia32-cmain.c: New file based on ../wortel/ia32-cmain.c. * viengoos/ia32-crt0.S: Copied from ../wortel. (STACK_SIZE): Use a 16 page stack. * viengoos/ia32-output.c: Copied from ../wortel. * viengoos/ia32-shutdown.c: Likewise. * viengoos/output.h: New file based on ../wortel/output.h. Include <stdarg.h>. (cprintf): New definition. (output_debug): Don't define. (debug): Don't define. * viengoos/output.c: New file based on ../wortel/output.c. Don't include <stdlib.h>. (vprintf): New function. (printf): Implement in terms of vprintf. * viengoos/output-none.c: Copied from ../wortel. * viengoos/output-serial.c: Likewise. * viengoos/output-stdio.c: New file. * viengoos/output-vga.c: Copied from ../wortel. * viengoos/shutdown.h: New file based on ../wortel/shutdown.h. Don't include "output.h". (panic): Don't define. (shutdown): Rename from this... (shutdown_machine): ... to this. * viengoos/shutdown.c: New file based on ../wortel/shutdown.c. (reset) [_L4_TEST_ENVIRONMENT]: Call abort. (halt) [_L4_TEST_ENVIRONMENT]: Call abort. (shutdown): Rename from this... (shutdown_machine): ... to this. * viengoos/t-environment.h: New file based on ../libl4/tests/environment.h. Protect from multiple inclusion. Include <hurd/stddef.h>. Include <string.h>. Include <l4/stubs.h>. (program_name): New declaration. (check_nr): Don't assume that val1 and val2 are _L4_word_t, use typeof instead. (main): Call output_init. * viengoos/t-as.c: New file.
Diffstat (limited to 'viengoos/output.c')
-rw-r--r--viengoos/output.c283
1 files changed, 283 insertions, 0 deletions
diff --git a/viengoos/output.c b/viengoos/output.c
new file mode 100644
index 0000000..b426a7d
--- /dev/null
+++ b/viengoos/output.c
@@ -0,0 +1,283 @@
+/* output.c - Output routines.
+ Copyright (C) 2003, 2007 Free Software Foundation, Inc.
+ Written by Marcus Brinkmann.
+
+ This file is part of the GNU Hurd.
+
+ The GNU Hurd 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.
+
+ The GNU Hurd 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 this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdarg.h>
+#include <string.h>
+
+#include "output.h"
+
+/* The active output driver. */
+static struct output_driver *output;
+
+
+/* Activate the output driver NAME or the default one if NAME is a
+ null pointer. Must be called once at startup, before calling
+ putchar or any other output routine. Returns 0 if NAME is not a
+ valid output driver name, otherwise 1 on success. */
+int
+output_init (const char *driver)
+{
+ const char *driver_cfg = NULL;
+
+ if (output)
+ {
+ output_deinit ();
+ output = 0;
+ }
+
+ if (driver)
+ {
+ struct output_driver **out = &output_drivers[0];
+ while (*out)
+ {
+ unsigned int name_len = strlen ((*out)->name);
+ if (!strncmp (driver, (*out)->name, name_len))
+ {
+ const char *cfg = driver + name_len;
+ if (!*cfg || *cfg == ',')
+ {
+ if (*cfg)
+ driver_cfg = cfg + 1;
+ output = *out;
+ break;
+ }
+ }
+ out++;
+ }
+ if (!output)
+ return 0;
+ }
+ else
+ output = output_drivers[0];
+
+ if (output->init)
+ (*output->init) (driver_cfg);
+
+ return 1;
+}
+
+
+/* Deactivate the output driver. Must be called after the last time
+ putchar or any other output routine is called, and before control
+ is passed on to the L4 kernel. */
+void
+output_deinit (void)
+{
+ if (output && output->deinit)
+ (*output->deinit) ();
+}
+
+
+/* Print the single character CHR on the output device. */
+int
+putchar (int chr)
+{
+ if (!output)
+ output_init (0);
+
+ if (output->putchar)
+ (*output->putchar) (chr);
+
+ return 0;
+}
+
+
+int
+puts (const char *str)
+{
+ while (*str != '\0')
+ putchar (*(str++));
+
+ putchar ('\n');
+
+ return 0;
+}
+
+
+static void
+print_nr (unsigned long long nr, int base)
+{
+ static char *digits = "0123456789abcdef";
+ char str[30];
+ int i = 0;
+
+ do
+ {
+ str[i++] = digits[nr % base];
+ nr = nr / base;
+ }
+ while (nr);
+
+ i--;
+ while (i >= 0)
+ putchar (str[i--]);
+}
+
+
+static void
+print_signed_nr (long long nr, int base)
+{
+ unsigned long long unr;
+
+ if (nr < 0)
+ {
+ putchar ('-');
+ unr = -nr;
+ }
+ else
+ unr = nr;
+
+ print_nr (unr, base);
+}
+
+
+int
+vprintf (const char *fmt, va_list ap)
+{
+ const char *p = fmt;
+
+ while (*p != '\0')
+ {
+ if (*p != '%')
+ {
+ putchar (*(p++));
+ continue;
+ }
+
+ p++;
+ switch (*p)
+ {
+ case '%':
+ putchar ('%');
+ p++;
+ break;
+
+ case 'l':
+ p++;
+ if (*p != 'l')
+ {
+ putchar ('%');
+ putchar ('l');
+ putchar (*(p++));
+ continue;
+ }
+ p++;
+ switch (*p)
+ {
+ case 'o':
+ print_nr (va_arg (ap, unsigned long long), 8);
+ p++;
+ break;
+
+ case 'd':
+ case 'i':
+ print_signed_nr (va_arg (ap, long long), 10);
+ p++;
+ break;
+
+ case 'x':
+ case 'X':
+ print_nr (va_arg (ap, unsigned long long), 16);
+ p++;
+ break;
+
+ case 'u':
+ print_nr (va_arg (ap, unsigned long long), 10);
+ p++;
+ break;
+
+ default:
+ putchar ('%');
+ putchar ('l');
+ putchar ('l');
+ putchar (*(p++));
+ break;
+ }
+ break;
+
+ case 'o':
+ print_nr (va_arg (ap, unsigned int), 8);
+ p++;
+ break;
+
+ case 'd':
+ case 'i':
+ print_signed_nr (va_arg (ap, int), 10);
+ p++;
+ break;
+
+ case 'x':
+ case 'X':
+ print_nr (va_arg (ap, unsigned int), 16);
+ p++;
+ break;
+
+ case 'u':
+ print_nr (va_arg (ap, unsigned int), 10);
+ p++;
+ break;
+
+ case 'c':
+ putchar (va_arg (ap, int));
+ p++;
+ break;
+
+ case 's':
+ {
+ char *str = va_arg (ap, char *);
+ while (*str)
+ putchar (*(str++));
+ }
+ p++;
+ break;
+
+ case 'p':
+ putchar ('0');
+ putchar ('x');
+ print_nr ((unsigned int) va_arg (ap, void *), 16);
+ p++;
+ break;
+
+ default:
+ putchar ('%');
+ putchar (*p);
+ p++;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+int
+printf (const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start (ap, fmt);
+ int r = vprintf (fmt, ap);
+ va_end (ap);
+
+ return r;
+}