bugfixes. Merge MIPS and MIPSel

conf/mips.rmk

@@ -84,7 +84,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c 	\
 
 grub_emu_LDFLAGS = $(LIBCURSES)
 
-kernel_img_SOURCES = kern/mipsel/qemu-r4k/startup.S \
+kernel_img_SOURCES = kern/mips/qemu-r4k/startup.S \
 	kern/main.c kern/device.c kern/$(target_cpu)/$(target_machine)/init.c 		\
 	kern/disk.c kern/dl.c kern/err.c kern/file.c kern/fs.c 		\
 	kern/misc.c kern/mm.c kern/reader.c kern/term.c 	\

configure.ac

@@ -90,12 +90,15 @@ case "$target_cpu"-"$platform" in
   powerpc-ieee1275) ;;
   sparc64-ieee1275) ;;
   mipsel-qemu-r4k) ;;
+  mips-qemu-r4k) ;;
   *) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;;
 esac
 
 case "$target_cpu" in
   i386 | powerpc) target_m32=1 ;;
   x86_64 | sparc64) target_m64=1 ;;
+  mipsel) TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPSEL=1"; target_cpu=mips ;;
+  mips) TARGET_CFLAGS="$TARGET_CFLAGS -DGRUB_CPU_MIPS=1" ;;
 esac
 
 case "$host_os" in

include/grub/mips/cache.h

@@ -0,0 +1,27 @@
+/* cache.h - Flush the processor's cache.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2004,2007  Free Software Foundation, Inc.
+ *
+ *  GRUB 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_CPU_CACHE_H
+#define GRUB_CPU_CACHE_H	1
+
+#include <grub/symbol.h>
+#include <grub/types.h>
+
+void EXPORT_FUNC(grub_cpu_flush_cache) (void *start, grub_size_t size, int type);
+#endif 

include/grub/mips/libgcc.h

@@ -0,0 +1,26 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2004,2007  Free Software Foundation, Inc.
+ *
+ *  GRUB 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+void *EXPORT_FUNC (memset) (void *s, int c, int n) __attribute__ ((weak));
+void EXPORT_FUNC (__ashldi3) (void) __attribute__ ((weak));
+void EXPORT_FUNC (__ashrdi3) (void) __attribute__ ((weak));
+void EXPORT_FUNC (__lshrdi3) (void) __attribute__ ((weak));
+void EXPORT_FUNC (__trampoline_setup) (void) __attribute__ ((weak));
+void EXPORT_FUNC (__ucmpdi2) (void) __attribute__ ((weak));
+void EXPORT_FUNC (__bswapsi2) (void) __attribute__ ((weak));
+void EXPORT_FUNC (__bswapdi2) (void) __attribute__ ((weak));

include/grub/mips/types.h

@@ -25,7 +25,14 @@
 /* The size of long.  */
 #define GRUB_TARGET_SIZEOF_LONG		4
 
+#ifdef GRUB_CPU_MIPSEL
 /* mipsEL is little-endian.  */
 #undef GRUB_TARGET_WORDS_BIGENDIAN
+#elif defined (GRUB_CPU_MIPS)
+/* mips is big-endian.  */
+#define GRUB_TARGET_WORDS_BIGENDIAN
+#else
+#error Neither GRUB_CPU_MIPS nor GRUB_CPU_MIPSEL is defined
+#endif
 
 #endif /* ! GRUB_TYPES_CPU_HEADER */

kern/mips/dl.c

@@ -92,6 +92,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
 
 		switch (ELF_R_TYPE (rel->r_info))
 		  {
+#if 0
 		  case R_386_32:
 		    *addr += sym->st_value;
 		    break;
@@ -100,6 +101,11 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
 		    *addr += (sym->st_value - (Elf_Word) seg->addr
 			      - rel->r_offset);
 		    break;
+#endif
+		  default:
+		    grub_printf ("Unknown relocation type %d\n",
+				 ELF_R_TYPE (rel->r_info));
+		    break
 		  }
 	      }
 	  }

kern/term.c

@@ -135,21 +135,24 @@ grub_getcharwidth (grub_uint32_t code)
 int
 grub_getkey (void)
 {
-  return (grub_cur_term_input->getkey) ();
+  while (!(*((grub_uint8_t *)0x140003f8+5) & 0x01));
+  return *((grub_uint8_t *)0x140003f8);
+  //  return (grub_cur_term_input->getkey) ();
 }
 
 int
 grub_checkkey (void)
 {
-  return (grub_cur_term_input->checkkey) ();
+  return !!(*((grub_uint8_t *)0x140003f8+5) & 0x01);
+  //return (grub_cur_term_input->checkkey) ();
 }
 
 int
 grub_getkeystatus (void)
 {
-  if (grub_cur_term_input->getkeystatus)
+  /*  if (grub_cur_term_input->getkeystatus)
     return (grub_cur_term_input->getkeystatus) ();
-  else
+    else*/
     return 0;
 }