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Re: RISC OS rescue mode
|
From: |
Timothy Baldwin |
|
Subject: |
Re: RISC OS rescue mode |
|
Date: |
Sat, 19 Nov 2005 11:22:02 +0000 |
|
User-agent: |
KMail/1.8.2 |
On Friday 18 Nov 2005 23:27, Hollis Blanchard wrote:
> On Friday 18 November 2005 16:37, Timothy Baldwin wrote:
>
> > 2005-08-29 Timothy Baldwin <address@hidden>
> > * boot/arm/RISC_OS/!Run,feb: New file.
>
> What on earth is this file...? :)
A script which loads the GRUB kernel.
>
> > * kern/arm/RISC_OS/init.c: Likewise.
>
> I'm a little confused about this "RISC_OS" naming. Is "RISC_OS" the name of
> the firmware that GRUB runs above? If not, I don't think that's an
> appropriate name.
The firmware is called "RISC OS", not to be confused with "RISC/os". Putting
spaces in the filenames is asking for trouble.
RISC OS is a co-operative multitasking operating system and is the firmware in
the systems on which it runs.
2005-08-29 Timothy Baldwin <address@hidden>
* boot/arm/RISC_OS/!Run,feb: New file.
* kern/arm/aif_header.lds: Likewise.
* kern/arm/aif_header.S: Likewise.
* kern/arm/dl.c: Likewise.
* kern/arm/RISC_OS/init.c: Likewise.
* kern/arm/RISC_OS/misc.c: Likewise.
* kern/arm/RISC_OS/startup.S: Likewise.
* normal/arm/setjmp.S: Likewise.
* include/grub/arm/libgcc.h: Likewise.
* include/grub/arm/RISC_OS/console.h: Likewise.
* include/grub/arm/RISC_OS/misc.h: Likewise.
* include/grub/arm/RISC_OS/swis.h: Likewise.
* include/grub/arm/RISC_OS/time.h: Likewise.
* include/grub/arm/setjmp.h: Likewise.
* conf/arm-RISC_OS.rmk: Likewise.
* include/grub/misc.h (grub_align): New macro.
(memset): New prototype.
* Makefile.in (RMKFILES): Add arm-RISC_OS.rmk and common.rmk to list.
* configure.ac: Add tests for ARM and -std=gnu99 gcc option.
--
Member AFFS, WYLUG, SWP (UK), UAF, RESPECT, StWC
No to software patents! Victory to the iraqi resistance!
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/boot/arm/RISC_OS/!Run,feb
grub2-RISC_OS/boot/arm/RISC_OS/!Run,feb
--- grub2-split/boot/arm/RISC_OS/!Run,feb 1970-01-01 01:00:00.000000000
+0100
+++ grub2-RISC_OS/boot/arm/RISC_OS/!Run,feb 2005-11-18 15:26:26.000000000
+0000
@@ -0,0 +1,33 @@
+| !Run - start grub on RISC OS.
+
+| GRUB -- GRand Unified Bootloader
+| Copyright (C) 2005 Free Software Foundation, Inc.
+|
+| This program 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 of the License, or
+| (at your option) any later version.
+|
+| This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+
+| Record this directory
+Set Grub$Dir <Obey$Dir>
+Set Alias$Grub Run |<Grub$Dir>
+
+| Set text window to full screen and use default colours.
+Echo <20><26><12>
+Pointer 0
+
+| Ensure we have enough memory
+Wimpslot 256K 256K
+
+| Start grub
+Run <Grub$Dir>.grub_RO %*0
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/conf/arm-RISC_OS.rmk
grub2-RISC_OS/conf/arm-RISC_OS.rmk
--- grub2-split/conf/arm-RISC_OS.rmk 1970-01-01 01:00:00.000000000 +0100
+++ grub2-RISC_OS/conf/arm-RISC_OS.rmk 2005-11-18 15:53:05.000000000 +0000
@@ -0,0 +1,64 @@
+# -*- makefile -*-
+
+COMMON_ASFLAGS = -nostdinc -fno-builtin -Wa,--gstabs
+COMMON_CFLAGS = -fno-builtin -ffixed-r10 -mapcs-frame -mpoke-function-name
+
+pkgdata_DATA = $(srcdir)/boot/arm/RISC_OS/!Run,feb
+
+# Images.
+pkgdata_IMAGES = grub_RO,ff8
+
+# For grub_RO.img.
+grub_RO_ff8_SOURCES = kern/arm/aif_header.S \
+ kern/main.c kern/device.c kern/parser.c \
+ kern/disk.c kern/dl.c kern/file.c kern/fs.c kern/err.c \
+ kern/misc.c kern/loader.c kern/rescue.c kern/term.c \
+ kern/partition.c kern/env.c symlist.c \
+ kern/arm/dl.c kern/arm/RISC_OS/startup.S\
+ kern/arm/RISC_OS/init.c kern/arm/RISC_OS/misc.c \
+ term/arm/RISC_OS/console.c term/arm/RISC_OS/console-asm.S \
+
+grub_RO_ff8_HEADERS = arg.h boot.h device.h disk.h dl.h elf.h env.h err.h \
+ file.h fs.h kernel.h loader.h misc.h mm.h net.h partition.h \
+ pc_partition.h rescue.h symbol.h term.h types.h parser.h \
+ arm/libgcc.h \
+ arm/RISC_OS/misc.h \
+ arm/RISC_OS/time.h
+
+grub_RO_ff8_CFLAGS = $(COMMON_CFLAGS)
+grub_RO_ff8_ASFLAGS = $(COMMON_ASFLAGS)
+grub_RO_ff8_LDFLAGS = `$(CC) -print-libgcc-file-name`
$(srcdir)/kern/arm/aif_header.lds -nostdlib -Wl,-N,-Ttext,8000
+
+MOSTLYCLEANFILES += symlist.c grub_RO_syms.lst
+DEFSYMFILES += grub_RO_syms.lst
+
+symlist.c: $(addprefix include/grub/,$(grub_RO_ff8_HEADERS)) gensymlist.sh
+ sh $(srcdir)/gensymlist.sh $(filter %.h,$^) > $@
+
+grub_RO_syms.lst: $(addprefix include/grub/,$(grub_RO_ff8_HEADERS))
genkernsyms.sh
+ sh $(srcdir)/genkernsyms.sh $(filter %h,$^) > $@
+
+
+
+# Utilities.
+noinst_UTILITIES = genmoddep
+
+
+# For genmoddep.
+genmoddep_SOURCES = util/genmoddep.c
+
+# Modules.
+pkgdata_MODULES = normal.mod
+# For normal.mod.
+
+normal_mod_SOURCES = normal/arg.c normal/cmdline.c normal/command.c \
+ normal/completion.c normal/context.c normal/execute.c \
+ normal/function.c normal/lexer.c normal/main.c normal/menu.c \
+ normal/menu_entry.c normal/misc.c grub_script.tab.c \
+ normal/script.c normal/arm/setjmp.S
+normal_mod_CFLAGS = $(COMMON_CFLAGS)
+normal_mod_ASFLAGS = $(COMMON_ASFLAGS)
+normal_mod_LDFLAGS = $(COMMON_LDFLAGS)
+
+
+include $(top_srcdir)/conf/common.mk
\ No newline at end of file
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/configure.ac grub2-RISC_OS/configure.ac
--- grub2-split/configure.ac 2005-11-08 18:39:52.000000000 +0000
+++ grub2-RISC_OS/configure.ac 2005-11-18 15:26:26.000000000 +0000
@@ -24,6 +24,7 @@ case "$host_cpu" in
i[[3456]]86) host_cpu=i386 ;;
x86_64) host_cpu=i386 amd64=1 ;;
powerpc) ;;
+ arm) ;;
sparc64) ;;
*) AC_MSG_ERROR([unsupported CPU type]) ;;
esac
@@ -31,6 +32,7 @@ esac
case "$host_cpu"-"$host_vendor" in
i386-*) host_vendor=pc ;;
powerpc-*) host_vendor=ieee1275 ;;
+ arm-*) host_vendor=RISC_OS ;;
sparc64-*) host_vendor=ieee1275 ;;
*) AC_MSG_ERROR([unsupported machine type]) ;;
esac
@@ -66,6 +68,23 @@ if test "x$default_CFLAGS" = xyes; then
tmp_CFLAGS="$tmp_CFLAGS -O2 -fno-strength-reduce -fno-unroll-loops"
fi
+ # C99.
+ AC_CACHE_CHECK([whether -std=gnu99 works], c99_flag, [
+ CFLAGS=-std=gnu99
+ AC_TRY_COMPILE(, , c99_flag=yes, c99_flag=no)
+ ])
+ if test "x$c99_flag" = xyes; then
+ tmp_CFLAGS="$tmp_CFLAGS -std=gnu99"
+ fi
+
+ AC_CACHE_CHECK([whether -fstd=gnu9x works], c9x_flag, [
+ CFLAGS=-fstd=gnu9x
+ AC_TRY_COMPILE(, , c9x_flag=yes, c9x_flag=no)
+ ])
+ if test "x$c9x_flag" = xyes; then
+ tmp_CFLAGS="$tmp_CFLAGS -fstd=gnu9x"
+ fi
+
# Force no alignment to save space on i386.
if test "x$host_cpu" = xi386; then
AC_CACHE_CHECK([whether -falign-loops works], [falign_loop_flag], [
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/include/grub/arm/libgcc.h
grub2-RISC_OS/include/grub/arm/libgcc.h
--- grub2-split/include/grub/arm/libgcc.h 1970-01-01 01:00:00.000000000
+0100
+++ grub2-RISC_OS/include/grub/arm/libgcc.h 2005-11-18 15:30:37.000000000
+0000
@@ -0,0 +1,27 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2004 Free Software Foundation, Inc.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+void EXPORT_FUNC (__clear_cache) (void *start, void *end);
+void EXPORT_FUNC (__udivsi3) (void);
+void EXPORT_FUNC (__umodsi3) (void);
+void EXPORT_FUNC (__divsi3) (void);
+void EXPORT_FUNC (__modsi3) (void);
+void EXPORT_FUNC (__ashldi3) (void);
+void EXPORT_FUNC (__lshrdi3) (void);
+void EXPORT_FUNC (__muldi3) (void);
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/include/grub/arm/RISC_OS/console.h
grub2-RISC_OS/include/grub/arm/RISC_OS/console.h
--- grub2-split/include/grub/arm/RISC_OS/console.h 1970-01-01
01:00:00.000000000 +0100
+++ grub2-RISC_OS/include/grub/arm/RISC_OS/console.h 2005-11-18
18:50:02.000000000 +0000
@@ -0,0 +1,43 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef GRUB_CONSOLE_MACHINE_HEADER
+#define GRUB_CONSOLE_MACHINE_HEADER 1
+
+#ifndef ASM_FILE
+
+#include <grub/types.h>
+#include <grub/symbol.h>
+#include <grub/term.h>
+
+/* These are global to share code between C and asm. */
+void grub_console_real_putchar (int c);
+int EXPORT_FUNC (grub_console_checkkey) (void);
+int EXPORT_FUNC (grub_console_getkey) (void);
+grub_uint16_t grub_console_getxy (void);
+int grub_console_get_and_set_cursor_key_state (int);
+int grub_console_convert (int c);
+extern grub_uint16_t grub_console_getwh (void);
+
+/* Initialize the console system. */
+void grub_console_initialise (void);
+int grub_console_in_taskwindow (void);
+#endif
+
+#endif /* ! GRUB_CONSOLE_MACHINE_HEADER */
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/include/grub/arm/RISC_OS/misc.h
grub2-RISC_OS/include/grub/arm/RISC_OS/misc.h
--- grub2-split/include/grub/arm/RISC_OS/misc.h 1970-01-01 01:00:00.000000000
+0100
+++ grub2-RISC_OS/include/grub/arm/RISC_OS/misc.h 2005-11-18
16:13:50.000000000 +0000
@@ -0,0 +1,79 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2004,2005 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef GRUB_MISC_MACHINE_HEADER
+#define GRUB_MISC_MACHINE_HEADER 1
+
+#include <grub/types.h>
+#include <grub/err.h>
+#include <grub/symbol.h>
+
+typedef struct grub_RISC_OS_error
+{
+ unsigned number;
+ char message[];
+} *grub_RISC_OS_error_t;
+
+/* Number of last RISC OS error passed to grub_RISC_OS_error_convert */
+extern unsigned EXPORT_VAR (grub_RISC_OS_errno);
+
+/* ISO C */
+typedef struct
+{
+ int pad[9];
+} grub_RISC_OS_FILE;
+
+#define SEEK_SET 0
+#define SEEK_END 2
+
+extern unsigned EXPORT_VAR (grub_RISC_OS_clib_errno);
+
+/* ISO C functions */
+grub_RISC_OS_FILE *grub_RISC_OS_fopen (const char *path, const char *mode);
+int grub_RISC_OS_fclose (grub_RISC_OS_FILE * fp);
+int grub_RISC_OS_fseek (grub_RISC_OS_FILE * stream, long offset, int whence);
+grub_ssize_t grub_RISC_OS_fread (void *ptr, grub_ssize_t size,
+ grub_ssize_t nmemb,
+ grub_RISC_OS_FILE * stream);
+long grub_RISC_OS_ftell (grub_RISC_OS_FILE * stream);
+void *grub_RISC_OS_malloc (grub_size_t size);
+void *grub_RISC_OS_realloc (void *ptr, grub_size_t size);
+void grub_RISC_OS_free (void *ptr);
+void *EXPORT_FUNC (grub_RISC_OS_system) (const char *);
+
+/* SharedCLibrary functions */
+grub_RISC_OS_error_t *EXPORT_FUNC (grub_RISC_OS_kernel_setenv) (const char
+ *name,
+ const char
+ *value);
+
+grub_err_t EXPORT_FUNC (grub_RISC_OS_error_convert) (grub_RISC_OS_error_t,
+ grub_err_t);
+grub_err_t
+EXPORT_FUNC (grub_RISC_OS_error_convert_zero) (grub_RISC_OS_error_t,
+ grub_err_t);
+grub_err_t EXPORT_FUNC (grub_RISC_OS_clib_error) (grub_err_t);
+grub_RISC_OS_error_t grub_RISC_OS_kernel_last_oserror (void);
+
+int EXPORT_FUNC (grub_RISC_OS_get_swi_number) (const char *);
+
+extern unsigned grub_RISC_OS_version, grub_RISC_OS_81C710_present;
+extern const char *grub_RISC_OS_dealer;
+
+#endif /* ! GRUB_MISC_MACHINE_HEADER */
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/include/grub/arm/RISC_OS/swis.h
grub2-RISC_OS/include/grub/arm/RISC_OS/swis.h
--- grub2-split/include/grub/arm/RISC_OS/swis.h 1970-01-01 01:00:00.000000000
+0100
+++ grub2-RISC_OS/include/grub/arm/RISC_OS/swis.h 2005-11-18
15:26:26.000000000 +0000
@@ -0,0 +1,83 @@
+/* swis.h - RISC OS SWI Numbers */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2004 Free Software Foundation, Inc.
+ *
+ * This program 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 of the License or
+ * (at your option) any later version.
+ *
+ * This program 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. 675 Mass Ave Cambridge MA 02139 USA.
+ */
+
+#ifndef GRUB_MACHINE_SWI_HEADER
+#define GRUB_MACHINE_SWI_HEADER 1
+
+#define X(x) ((x) | 0x20000)
+
+#define Cache_Control 0x280
+#define Cache_Flush 0x284
+#define ColourTrans_ReturnColourNumber 0x40744
+#define FileCore_DescribeDisc 0x40545
+#define FileCore_DiscOp 0x40540
+#define FileCore_DiscOp64 0x4054E
+#define FileCore_Drives 0x40542
+#define FileCore_MiscOp 0x40549
+#define FileCore_SectorOp 0x4054A
+#define Hourglass_Off 0x406C1
+#define Hourglass_On 0x406C0
+#define Hourglass_Smash 0x406C2
+#define OS_Args 0x09
+#define OS_BreakPt 0x17
+#define OS_Byte 0x06
+#define OS_Claim 0x1F
+#define OS_Release 0x20
+#define OS_ChangeDynamicArea 0x2A
+#define OS_ChangeEnvironment 0x40
+#define OS_CLI 0x05
+#define OS_ConvertHex8 0xD4
+#define OS_EnterOS 0x16
+#define OS_Exit 0x11
+#define OS_File 0x08
+#define OS_Find 0x0D
+#define OS_FSControl 0x29
+#define OS_GBPB 0x0C
+#define OS_GenerateError 0x2B
+#define OS_GetEnv 0x10
+#define OS_LeaveOS 0x7C
+#define OS_IntOff 0x14
+#define OS_Memory 0x68
+#define OS_Module 0x1E
+#define OS_ReadArgs 0x49
+#define OS_ReadC 0x04
+#define OS_ReadDynamicArea 0x5C
+#define OS_ReadMonotonicTime 0x42
+#define OS_ReadSysInfo 0x58
+#define OS_ReadUnsigned 0x21
+#define OS_ReadVduVariables 0x31
+#define OS_RemoveCursors 0x36
+#define OS_Reset 0x6A
+#define OS_ServiceCall 0x30
+#define OS_SWINumberFromString 0x39
+#define OS_SynchroniseCodeAreas 0x006E
+#define OS_Write0 0x02
+#define OS_WriteC 0x00
+#define OS_WriteI 0x100
+#define OS_WriteN 0x46
+#define OS_WriteS 0x01
+#define SharedCLibrary_LibInitAPCS_32 0x80683
+#define SharedCLibrary_LibInitAPCS_R 0x80681
+#define TaskWindow_TaskInfo 0x43380
+
+#define Service_PreReset 0x45
+#define ERROR_NO_SUCH_SWI 0x1E6
+
+#endif /* GRUB_MACHINE_SWI_HEADER */
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/include/grub/arm/RISC_OS/time.h
grub2-RISC_OS/include/grub/arm/RISC_OS/time.h
--- grub2-split/include/grub/arm/RISC_OS/time.h 1970-01-01 01:00:00.000000000
+0100
+++ grub2-RISC_OS/include/grub/arm/RISC_OS/time.h 2005-11-18
15:26:26.000000000 +0000
@@ -0,0 +1,33 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef KERNEL_TIME_HEADER
+#define KERNEL_TIME_HEADER 1
+
+#ifdef GRUB_UTIL
+# include <time.h>
+# define GRUB_TICKS_PER_SECOND CLOCKS_PER_SEC
+#else
+# define GRUB_TICKS_PER_SECOND 100
+#endif
+
+/* Return the real time in ticks. */
+grub_uint32_t EXPORT_FUNC (grub_get_rtc) (void);
+
+#endif /* ! KERNEL_TIME_HEADER */
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/include/grub/arm/setjmp.h
grub2-RISC_OS/include/grub/arm/setjmp.h
--- grub2-split/include/grub/arm/setjmp.h 1970-01-01 01:00:00.000000000
+0100
+++ grub2-RISC_OS/include/grub/arm/setjmp.h 2005-11-18 15:26:26.000000000
+0000
@@ -0,0 +1,25 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2004 Free Software Foundation, Inc.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef GRUB_SETJMP_CPU_HEADER
+#define GRUB_SETJMP_CPU_HEADER 1
+
+typedef unsigned long grub_jmp_buf[10];
+
+#endif /* ! GRUB_SETJMP_CPU_HEADER */
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/include/grub/arm/types.h
grub2-RISC_OS/include/grub/arm/types.h
--- grub2-split/include/grub/arm/types.h 1970-01-01 01:00:00.000000000
+0100
+++ grub2-RISC_OS/include/grub/arm/types.h 2005-11-18 15:26:26.000000000
+0000
@@ -0,0 +1,35 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2002,2004 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef GRUB_TYPES_CPU_HEADER
+#define GRUB_TYPES_CPU_HEADER 1
+
+/* The size of void *. */
+#define GRUB_HOST_SIZEOF_VOID_P 4
+
+/* The size of long. */
+#define GRUB_HOST_SIZEOF_LONG 4
+
+/* The size of a page. */
+#define GRUB_HOST_PAGE_SIZE (0x400)
+
+/* ARM is little-endian. (Or big-endian!! - but we don't support that yet) */
+#undef GRUB_HOST_WORDS_BIGENDIAN
+
+#endif /* ! GRUB_TYPES_CPU_HEADER */
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/include/grub/misc.h
grub2-RISC_OS/include/grub/misc.h
--- grub2-split/include/grub/misc.h 2005-10-24 11:23:46.000000000 +0100
+++ grub2-RISC_OS/include/grub/misc.h 2005-11-18 15:26:26.000000000 +0000
@@ -29,6 +29,7 @@
#define grub_dprintf(condition, fmt, args...) grub_real_dprintf(__FILE__,
__LINE__, condition, fmt, ## args);
/* XXX: If grub_memmove is too slow, we must implement grub_memcpy. */
#define grub_memcpy(d,s,n) grub_memmove ((d), (s), (n))
+#define grub_align(align, val) (((val) + ((align) - 1)) & ~((align) - 1))
void *EXPORT_FUNC(grub_memmove) (void *dest, const void *src, grub_size_t n);
char *EXPORT_FUNC(grub_strcpy) (char *dest, const char *src);
@@ -40,6 +41,7 @@ char *EXPORT_FUNC(grub_strncat) (char *d
/* Prototypes for aliases. */
void *EXPORT_FUNC(memmove) (void *dest, const void *src, grub_size_t n);
void *EXPORT_FUNC(memcpy) (void *dest, const void *src, grub_size_t n);
+void *EXPORT_FUNC(memset) (void *s, int c, grub_size_t n);
int EXPORT_FUNC(grub_memcmp) (const void *s1, const void *s2, grub_size_t n);
int EXPORT_FUNC(grub_strcmp) (const char *s1, const char *s2);
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/include/grub/powerpc/libgcc.h
grub2-RISC_OS/include/grub/powerpc/libgcc.h
--- grub2-split/include/grub/powerpc/libgcc.h 2005-02-13 18:54:57.000000000
+0000
+++ grub2-RISC_OS/include/grub/powerpc/libgcc.h 2005-11-18 15:30:45.000000000
+0000
@@ -17,7 +17,6 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-void EXPORT_FUNC (memset) (void);
void EXPORT_FUNC (__adddf3) (void);
void EXPORT_FUNC (__addsf3) (void);
void EXPORT_FUNC (__ashldi3) (void);
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/kern/arm/aif_header.lds
grub2-RISC_OS/kern/arm/aif_header.lds
--- grub2-split/kern/arm/aif_header.lds 1970-01-01 01:00:00.000000000 +0100
+++ grub2-RISC_OS/kern/arm/aif_header.lds 2005-11-18 15:26:26.000000000
+0000
@@ -0,0 +1,23 @@
+/* aif_header.lds - Calculate values for AIF header */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2004 Timothy Baldwin.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+grub_text_size = __data_start - _start;
+grub_data_size = _edata - __data_start;
+grub_bss_size = _end - _edata;
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/kern/arm/aif_header.S
grub2-RISC_OS/kern/arm/aif_header.S
--- grub2-split/kern/arm/aif_header.S 1970-01-01 01:00:00.000000000 +0100
+++ grub2-RISC_OS/kern/arm/aif_header.S 2005-11-18 15:26:26.000000000 +0000
@@ -0,0 +1,60 @@
+/* aif_header.S - AIF header */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2004 Timothy Baldwin.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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
+ * aword with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+#include <grub/symbol.h>
+
+ .align
+ .global _start
+_start: nop
+ nop
+ bl zeroinit
+ bl grub_arm_startup
+lock: b lock @ "Program exit instruction" (never reached)
+ .word grub_text_size
+dsize: .word grub_data_size
+ .word 0 @ Debug data size
+zisize: .word grub_bss_size
+ .word 0 @ No Debug data
+ .word _start
+ .word 0 @ Workspace for self-moving image (not used)
+ .word 32 @ Yes, we work in 32bit PC modes.
+dstart: .word __data_start
+ .word 0, 0 @ Unused
+ nop @ Initialise debugger (NOT!!)
+
+zeroinit:
+ ldr r0, dstart
+ ldr r1, dsize
+ add r0, r0, r1
+ ldr r4, zisize
+
+ @ Zero BSS area
+ mov r1, #0
+1: str r1, [r0], #4
+ subs r4, r4, #4
+ bcs 1b
+ mov pc, lr
+
+
+ .ltorg
+ .org _start + 128
+
+ @ Size of appended modules
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/kern/arm/dl.c grub2-RISC_OS/kern/arm/dl.c
--- grub2-split/kern/arm/dl.c 1970-01-01 01:00:00.000000000 +0100
+++ grub2-RISC_OS/kern/arm/dl.c 2005-11-18 15:26:26.000000000 +0000
@@ -0,0 +1,114 @@
+/* dl.c - arch-dependent part of loadable module support */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2002,2004,2005 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <grub/dl.h>
+#include <grub/elf.h>
+#include <grub/misc.h>
+#include <grub/err.h>
+
+/* Check if EHDR is a valid ELF header. */
+grub_err_t
+grub_arch_dl_check_header (void *ehdr)
+{
+ Elf32_Ehdr *e = ehdr;
+
+ /* Check the magic numbers. */
+ if (e->e_ident[EI_CLASS] != ELFCLASS32
+ || e->e_ident[EI_DATA] != ELFDATA2LSB || e->e_machine != EM_ARM)
+ return grub_error (GRUB_ERR_BAD_MODULE,
+ "invalid arch specific ELF magic");
+
+ return GRUB_ERR_NONE;
+}
+
+/* Relocate symbols. */
+grub_err_t
+grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr)
+{
+ Elf32_Ehdr *e = ehdr;
+ Elf32_Shdr *s;
+ Elf32_Sym *symtab;
+ Elf32_Word entsize;
+ unsigned i;
+
+ /* Find a symbol table. */
+ for (i = 0, s = (Elf32_Shdr *) ((char *) e + e->e_shoff);
+ i < e->e_shnum; i++, s = (Elf32_Shdr *) ((char *) s + e->e_shentsize))
+ if (s->sh_type == SHT_SYMTAB)
+ break;
+
+ if (i == e->e_shnum)
+ return grub_error (GRUB_ERR_BAD_MODULE, "no symtab found");
+
+ symtab = (Elf32_Sym *) ((char *) e + s->sh_offset);
+ entsize = s->sh_entsize;
+
+ for (i = 0, s = (Elf32_Shdr *) ((char *) e + e->e_shoff);
+ i < e->e_shnum; i++, s = (Elf32_Shdr *) ((char *) s + e->e_shentsize))
+ if (s->sh_type == SHT_REL)
+ {
+ grub_dl_segment_t seg;
+
+ /* Find the target segment. */
+ for (seg = mod->segment; seg; seg = seg->next)
+ if (seg->section == s->sh_info)
+ break;
+
+ if (seg)
+ {
+ Elf32_Rel *rel, *max;
+
+ for (rel = (Elf32_Rel *) ((char *) e + s->sh_offset),
+ max = rel + s->sh_size / s->sh_entsize; rel < max; rel++)
+ {
+ Elf32_Word *addr;
+ Elf32_Sym *sym;
+
+ if (seg->size < rel->r_offset)
+ return grub_error (GRUB_ERR_BAD_MODULE,
+ "reloc offset is out of the segment");
+
+ addr = (Elf32_Word *) ((char *) seg->addr + rel->r_offset);
+ sym = (Elf32_Sym *) ((char *) symtab
+ + entsize * ELF32_R_SYM (rel->r_info));
+
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_ARM_ABS32:
+ *addr += sym->st_value;
+ break;
+
+ case R_ARM_PC24:
+ *addr =
+ (*addr & 0xFF000000) |
+ ((*addr +
+ ((sym->st_value -
+ ((Elf32_Word) addr)) >> 2)) & 0x00FFFFFF);
+ break;
+ default:
+ return grub_error (GRUB_ERR_BAD_MODULE,
+ "unsupported reloc type");
+ }
+ }
+ }
+ }
+
+ return GRUB_ERR_NONE;
+}
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/kern/arm/RISC_OS/init.c
grub2-RISC_OS/kern/arm/RISC_OS/init.c
--- grub2-split/kern/arm/RISC_OS/init.c 1970-01-01 01:00:00.000000000 +0100
+++ grub2-RISC_OS/kern/arm/RISC_OS/init.c 2005-11-18 19:00:19.000000000
+0000
@@ -0,0 +1,94 @@
+/* init.c - RISC OS Initialisation */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2004,2005 Free Software Foundation, Inc.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <grub/kernel.h>
+#include <grub/mm.h>
+#include <grub/misc.h>
+#include <grub/machine/console.h>
+#include <grub/env.h>
+#include <grub/arm/RISC_OS/misc.h>
+
+extern const char *grub_RISC_OS_kernel_command_string (void);
+
+static unsigned grub_arm_linux_sysid;
+static const char *grub_machine_type_name;
+
+extern unsigned grub_arm_machine_serial_number[2];
+
+
+static inline void
+new_init (void)
+{
+ /* RISC OS version >= 3.5 */
+
+ if (grub_RISC_OS_dealer
+ && grub_strcmp (grub_RISC_OS_dealer, "Riscstation") == 0)
+ {
+ grub_arm_linux_sysid = 46;
+ grub_machine_type_name = "RiscStation";
+ }
+ else
+ {
+ grub_arm_linux_sysid = 1;
+ grub_machine_type_name = "RiscPC";
+ }
+
+ /* FIXME: Identify Bush Internet TV */
+ /* FIXME: Identify Iynoix PC */
+
+}
+
+static inline void
+old_init (void)
+{
+ /* RISC OS version < 3.5 */
+
+ if (grub_RISC_OS_81C710_present)
+ {
+ grub_arm_linux_sysid = 11;
+ grub_machine_type_name = "A5000";
+ }
+ else
+ {
+ grub_arm_linux_sysid = 10;
+ grub_machine_type_name = "Archimedes";
+ }
+}
+
+
+void
+grub_machine_init ()
+{
+ grub_console_initialise ();
+ grub_env_set ("prefix", "(host)/<Grub$Dir>");
+
+ if (grub_RISC_OS_version < 0xA5)
+ old_init ();
+ else
+ new_init ();
+
+ char buf[20];
+
+ grub_sprintf (buf, "%d", grub_arm_linux_sysid);
+ grub_env_set ("grub_arm_linux_sysid", buf);
+
+ grub_env_set ("grub_machine_type_name", grub_machine_type_name);
+
+}
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/kern/arm/RISC_OS/misc.c
grub2-RISC_OS/kern/arm/RISC_OS/misc.c
--- grub2-split/kern/arm/RISC_OS/misc.c 1970-01-01 01:00:00.000000000 +0100
+++ grub2-RISC_OS/kern/arm/RISC_OS/misc.c 2005-11-18 15:26:26.000000000
+0000
@@ -0,0 +1,110 @@
+/* misc.h - misc RISC OS bits */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2004,2005 Free Software Foundation, Inc.
+ *
+ * This program 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 of the License or
+ * (at your option) any later version.
+ *
+ * This program 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. 675 Mass Ave Cambridge MA 02139 USA.
+ */
+
+#include <grub/arm/RISC_OS/misc.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+
+unsigned grub_RISC_OS_errno;
+
+grub_err_t
+grub_RISC_OS_error_convert (grub_RISC_OS_error_t err, grub_err_t n)
+{
+ grub_RISC_OS_errno = err->number;
+
+ switch (grub_RISC_OS_errno)
+ {
+ case 0xD6:
+ n = GRUB_ERR_FILE_NOT_FOUND;
+ break;
+ case 1052:
+ n = GRUB_ERR_BAD_FS;
+ break;
+ default:
+ break;
+ }
+ grub_dprintf ("error_convert RISC OS = 0x%x GRUB = %d\n",
grub_RISC_OS_errno, n)
+ return grub_error (n, "%s", err->message);
+}
+
+unsigned
+grub_RISC_OS_error_convert_zero (struct grub_RISC_OS_error *err,
+ grub_err_t err2)
+{
+ grub_RISC_OS_error_convert (err, err2);
+ return 0;
+}
+
+grub_err_t
+grub_RISC_OS_clib_error (grub_err_t err)
+{
+ return grub_RISC_OS_error_convert (grub_RISC_OS_kernel_last_oserror (),
+ err);
+}
+
+void *
+grub_memalign (grub_size_t align, grub_size_t size)
+{
+ void **mem = grub_RISC_OS_malloc (size + align + sizeof (void *));
+ if (mem == 0)
+ {
+ grub_error (GRUB_ERR_OUT_OF_MEMORY, "out of memory");
+ return 0;
+ }
+ void **result = (void **) grub_align (align, (unsigned) (mem + 1));
+ result[-1] = mem;
+ return result;
+}
+
+void *
+grub_malloc (grub_size_t size)
+{
+ void **result = grub_RISC_OS_malloc (size + sizeof (void *));
+ if (result == 0)
+ {
+ grub_error (GRUB_ERR_OUT_OF_MEMORY, "out of memory");
+ return 0;
+ }
+ *result = result;
+ return result + 1;
+}
+
+void *
+grub_realloc (void *ptr, grub_size_t size)
+{
+ void **ptr2 = ptr;
+ void **result =
+ grub_RISC_OS_realloc (ptr2 ? ptr2[-1] : 0, size + sizeof (void *));
+ if (result == 0)
+ {
+ grub_error (GRUB_ERR_OUT_OF_MEMORY, "out of memory");
+ return 0;
+ }
+ *result = result;
+ return result + 1;
+}
+
+void
+grub_free (void *ptr)
+{
+ void **ptr2 = ptr;
+ if (ptr2)
+ grub_RISC_OS_free (ptr2[-1]);
+}
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/kern/arm/RISC_OS/startup.S
grub2-RISC_OS/kern/arm/RISC_OS/startup.S
--- grub2-split/kern/arm/RISC_OS/startup.S 1970-01-01 01:00:00.000000000
+0100
+++ grub2-RISC_OS/kern/arm/RISC_OS/startup.S 2005-11-18 16:11:39.000000000
+0000
@@ -0,0 +1,323 @@
+/* startup.S - RISC OS Initialisation*/
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2004,2005 Free Software Foundation, Inc.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+#include <grub/symbol.h>
+#include <grub/arm/RISC_OS/swis.h>
+
+
+ .bss
+ VARIABLE(grub_RISC_OS_81C710_present)
+ .space 4
+ VARIABLE(grub_arm_machine_serial_number)
+ .space 8
+ VARIABLE(grub_RISC_OS_version)
+ .space 4
+ VARIABLE(grub_RISC_OS_dealer)
+ .space 4
+ .text
+
+div0: .word 0
+ .asciz "Division by zero"
+c_str: .asciz "C"
+
+load_library:
+ @ FIXME: Versions? And do we need the floating point emulator?
+ .asciz "RMEnsure SharedCLibrary 3.75 RMLoad System:Modules.Clib"
+ .align
+
+ .global grub_arm_startup
+grub_arm_startup:
+ swi X(Hourglass_On)
+
+ adr r0, load_library
+ swi OS_CLI
+
+ ldr r9, =grub_RISC_OS_81C710_present
+ mov r0, #129
+ mov r1, #0
+ mov r2, #255
+ swi OS_Byte
+ str r1, [r9, #12]
+ cmp r1, #0xA3
+ blo 1f @ Avoid RISC OS 2 OS_ReadSysInfo bug
+
+ mov r0, #9
+ mov r1, #3
+ swi X(OS_ReadSysInfo)
+ strvc r0, [r9, #16]
+
+ mov r0, #2
+ swi X(OS_ReadSysInfo)
+ stmvcia r9, {r1, r3, r4}
+
+1: swi OS_GetEnv
+ mov r2, r1 @ r2 <- End of heap
+ adr r0, stubs
+ ldr r1, =_end @ r1 <- Start of heap
+ mov r3, #-1 @ Docs say so...
+ movs r4, #0 @ Likewise
+ mov r5, #-1 @ Likewise
+ mov r6, #64 << 16 @ 64K stack
+ teq pc, pc
+ orreq r6, r6, #1 @ What is this for? (copied from gccsdk)
+ swi X(SharedCLibrary_LibInitAPCS_32)
+ bvc 1f @ Branch if no error
+
+ @ If error was "SWI value out of range for module SharedCLibrary"
+ @ and we are in 26-bit PC mode try APCS R, otherwise raise error.
+ teq pc, pc
+ swieq OS_GenerateError
+ ldr r14, [r0]
+ ldr r13, =0x800E85
+ teq r14, r13
+ swine OS_GenerateError
+ adr r0, stubs
+ swi SharedCLibrary_LibInitAPCS_R
+1: mov r4, r0
+ adr r0, kernel_init_block
+ mov r3, #0
+ b grub_RISC_OS_kernel_init
+
+stubs: .word 1
+ .word kernel_vectors
+ .word kernel_vectors_end
+ .word kernel_statics
+ .word kernel_statics_end
+ .word 2
+ .word clib_vectors
+ .word clib_vectors_end
+ .word clib_statics
+ .word clib_statics_end
+ .word -1
+
+ .bss
+kernel_vectors:
+ .space 48 * 4
+kernel_vectors_end:
+clib_vectors:
+ .space 183 * 4
+clib_vectors_end:
+
+kernel_statics:
+ .space 0x31C
+kernel_statics_end:
+clib_statics:
+ .space 0xB48
+clib_statics_end:
+
+ .macro kernel, label, entry
+ .global grub_RISC_OS_kernel_\label
+ grub_RISC_OS_kernel_\label = kernel_vectors + \entry * 4
+ .endm
+
+ .macro clib, label, entry
+ .global grub_RISC_OS_\label
+ grub_RISC_OS_\label = clib_vectors + \entry * 4
+ .endm
+
+ kallocExtendsWS = kernel_statics + 0x115
+
+ .global grub_RISC_OS_clib_errno
+ grub_RISC_OS_clib_errno = clib_statics
+
+ kernel init, 0
+ kernel command_string, 7
+ kernel system, 22
+ kernel last_oserror, 21
+ kernel setenv, 24
+
+ clib malloc, 68
+ clib free, 67
+ clib realloc, 69
+ clib system, 74
+ clib atexit, 71
+ clib exit, 72
+ clib _clib_initialise, 20
+ clib _clib_main, 18
+ clib _backtrace, 21
+
+ clib fopen, 87
+ clib fclose, 85
+ clib fread, 114
+ clib fseek, 117
+ clib fwrite, 115
+ clib ftell, 119
+
+ clib TrapHandler, 0
+ clib UncaughtTrapHandler, 1
+ clib EventHandler, 2
+ clib UnhandledEventHandler, 3
+
+ .text
+
+
+ .global system
+ system = grub_RISC_OS_system
+
+kernel_init_block:
+ .word 0x8000, rts_block, rts_block_end
+
+rts_block:
+ .word rts_block_end - rts_block
+ .word 0x8000, 0x7FFFFFFC, c_str, c_init, 0
+ .word grub_RISC_OS_TrapHandler
+ .word grub_RISC_OS_UncaughtTrapHandler
+ .word grub_RISC_OS_EventHandler
+ .word grub_RISC_OS_UnhandledEventHandler
+rts_block_end:
+
+
+
+c_init: str lr, [sp, #-4]!
+ ldr a1, =kallocExtendsWS
+ mov a2, #1
+ strb a2, [a1]
+ bl grub_RISC_OS__clib_initialise
+ adr a1, c_run
+ teq a1, a1
+ teq pc, pc
+ ldmnefd sp!, {pc}^
+ ldr pc, [sp], #4
+
+c_run: adr a1, atexit_wrapper
+ bl grub_RISC_OS_atexit
+ mov a1, #17
+ bl grub_RISC_OS_set_escape_char
+ bl grub_RISC_OS_kernel_command_string
+ ldr a2, =grub_main
+ bl grub_RISC_OS__clib_main
+FUNCTION(grub_stop)
+ mov a1, #0
+ b grub_RISC_OS_exit
+
+atexit_wrapper:
+ str lr, [sp, #-4]!
+ bl grub_machine_fini
+ mov a1, #27
+ bl grub_RISC_OS_set_escape_char
+ swi X(Hourglass_Off)
+ teq a1, a1
+ teq pc, pc
+ ldmnefd sp!, {pc}^
+ ldr pc, [sp], #4
+
+ .global __div0
+__div0: adr r0, div0
+ swi OS_GenerateError
+
+
+FUNCTION(grub_arch_modules_addr)
+ mov a1, #0x8000
+FUNCTION(grub_mm_init_region)
+FUNCTION(grub_machine_fini)
+ mov pc, lr
+
+FUNCTION(grub_RISC_OS_set_escape_char)
+ mov r1, r0
+ mov r2, #0
+ mov r0, #220
+ swi OS_Byte
+ mov pc, lr
+
+FUNCTION(grub_get_rtc)
+ swi OS_ReadMonotonicTime
+ mov pc, lr
+
+
+ .global __clear_cache
+__clear_cache:
+ stmfd sp!, {r0-r2, lr}
+ mov r2, r1
+ mov r1, r0
+ mov r0, #1
+ swi X(OS_SynchroniseCodeAreas)
+ ldmfd sp!, {r0-r2, pc}^
+
+FUNCTION(grub_arch_sync_caches)
+ add r2, r1, r0
+ mov r1, r0
+ mov r0, #0
+ swi X(OS_SynchroniseCodeAreas)
+ mov pc, lr
+
+rc5pc_off:
+ .asciz "%rc5pc off"
+ .align
+
+FUNCTION(grub_reboot)
+ adr r0, rc5pc_off
+ swi X(OS_CLI)
+ swi OS_EnterOS
+ mov r0, #23 @ Unmount filesystems
+ swi OS_FSControl
+ swi X(OS_Reset)
+1: bvc 1b
+ ldr r1, [r0]
+ eor r1, r1, #ERROR_NO_SUCH_SWI & 0xff00
+ teq r1, #ERROR_NO_SUCH_SWI & 0x00ff
+ swine OS_GenerateError
+
+ @ If above call failed, we are running on an Archimedies.
+ mov r0, #200
+ mov r1, #2
+ swi OS_Byte @ Set Full Reset
+ teqp pc, #0x08000003 @ SVC Mode with IRQ disabled.
+ mov r1, #Service_PreReset
+ swi X(OS_ServiceCall)
+1: bvs 1b
+ teqp pc, #0x0C000003 @ SVC Mode with interrupts disabled.
+
+ @ Copy word from start of ROM to address 0, then execute it.
+ mov r0, #0x03800000
+ ldr r1, [r0]
+ str r1, [r0, -r0]
+ mov pc, #0
+
+
+FUNCTION(grub_RISC_OS_get_swi_number)
+ mov r1, a1
+ swi X(OS_SWINumberFromString)
+ movvs a1, #0
+ mov pc, lr
+
+FUNCTION(grub_RISC_OS_save_file)
+ mov r5, r3
+ mov r4, r2
+ mov r2, r1
+ mov r1, r0
+ mov r0, #10
+ swi OS_File
+ mov pc, lr
+
+FUNCTION(grub_RISC_OS_CLI)
+ @ May be called in SVC mode.
+ mov ip, lr
+ swi X(OS_CLI)
+ mov pc, ip
+
+ .data
+VARIABLE(grub_end_addr)
+ .word _end
+
+ .bss
+VARIABLE(grub_total_module_size)
+ .space 4
+
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/Makefile.in grub2-RISC_OS/Makefile.in
--- grub2-split/Makefile.in 2005-11-17 19:12:30.000000000 +0000
+++ grub2-RISC_OS/Makefile.in 2005-11-18 15:46:37.000000000 +0000
@@ -72,7 +72,7 @@ LIBLZO = @LIBLZO@
### General variables.
RMKFILES = $(addprefix conf/,common.rmk i386-pc.rmk powerpc-ieee1275.rmk \
- sparc64-ieee1275.rmk)
+ sparc64-ieee1275.rmk arm-RISC_OS.rmk)
MKFILES = $(patsubst %.rmk,%.mk,$(RMKFILES))
DATA = $(pkgdata_IMAGES) $(pkgdata_MODULES) $(pkgdata_PROGRAMS) \
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/normal/arm/setjmp.S
grub2-RISC_OS/normal/arm/setjmp.S
--- grub2-split/normal/arm/setjmp.S 1970-01-01 01:00:00.000000000 +0100
+++ grub2-RISC_OS/normal/arm/setjmp.S 2005-11-18 15:26:26.000000000 +0000
@@ -0,0 +1,33 @@
+/* setjmp.S - setjmp and longjmp */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2004 Free Software Foundation, Inc.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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
+ * aword with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+#include <grub/symbol.h>
+
+FUNCTION(grub_setjmp)
+ stmia a1, {v1-v6, sl, fp, sp, lr}
+ mov a1, #0
+ mov pc, lr
+
+FUNCTION(grub_longjmp)
+ ldmia a1, {v1-v6, sl, fp, sp, lr}
+ movs a1, a2
+ moveq a1, #1
+ mov pc, lr
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/term/arm/RISC_OS/console-asm.S
grub2-RISC_OS/term/arm/RISC_OS/console-asm.S
--- grub2-split/term/arm/RISC_OS/console-asm.S 1970-01-01 01:00:00.000000000
+0100
+++ grub2-RISC_OS/term/arm/RISC_OS/console-asm.S 2005-11-18
15:26:26.000000000 +0000
@@ -0,0 +1,84 @@
+/* console-asm.S - RISC OS Console */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2004 Timothy Baldwin.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+#include <grub/symbol.h>
+#include <grub/arm/RISC_OS/swis.h>
+
+ .align
+
+FUNCTION(grub_console_real_putchar)
+ swi OS_WriteC
+ mov pc, lr
+
+FUNCTION(grub_console_getxy)
+ mov r0, #165
+ swi OS_Byte
+ orr r0, r2, r1, lsl #8
+ mov pc, lr
+
+FUNCTION(grub_console_getkey)
+ swi X(Hourglass_Smash)
+ swi OS_ReadC
+ mov r1, r0
+ swi X(Hourglass_On)
+ mov r0, r1
+ b grub_console_convert
+
+FUNCTION(grub_console_checkkey)
+ swi X(Hourglass_Smash)
+ mov r0, #129 @ Read key with time limit
+ mov r1, #0 @ Timeout low byte
+ mov r2, #0 @ Timeout high byte ( < 0x80 )
+ swi OS_Byte
+ teq r2, #0 @ r2 = 0 if key read
+ movne r1, #-1 @ r1 = key if read
+ swi X(Hourglass_On)
+ mov r0, r1
+ b grub_console_convert
+
+FUNCTION(grub_console_get_and_set_cursor_key_state)
+ mov r1, a1
+ mov r0, #4
+ swi OS_Byte
+ mov a1, r1
+ mov pc, lr
+
+FUNCTION(grub_console_in_taskwindow)
+ mov r0, #0
+ swi X(TaskWindow_TaskInfo)
+ movvs r0, #0
+ mov pc, lr
+
+FUNCTION(grub_console_getwh)
+ sub sp, sp, #20
+ adr r0, vdu_variables
+ mov r1, sp
+ swi OS_ReadVduVariables
+ ldmia sp!, {a1-a4, ip}
+ sub a1, a3, a1 @ width = right - left
+ add a1, a1, #1 @ + 1
+ sub a2, a2, a4 @ height = bottom - top
+ add a2, a2, #1 @ + 1
+ orr a1, a2, a1, lsl #8 @ result = (width << 8) | height
+ mov pc, lr
+
+vdu_variables:
+ .word 0x84, 0x85, 0x86, 0x87, -1
diff -purN -x '*.mk' -x '*~' -x autom4te.cache -x configure -x '.#*' -x
'*.orig' -x '*.rej' -x CVS grub2-split/term/arm/RISC_OS/console.c
grub2-RISC_OS/term/arm/RISC_OS/console.c
--- grub2-split/term/arm/RISC_OS/console.c 1970-01-01 01:00:00.000000000
+0100
+++ grub2-RISC_OS/term/arm/RISC_OS/console.c 2005-11-18 18:54:08.000000000
+0000
@@ -0,0 +1,190 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2002,2003 Free Software Foundation, Inc.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <grub/arm/RISC_OS/console.h>
+#include <grub/term.h>
+#include <grub/types.h>
+
+
+static void
+grub_console_putchar (grub_uint32_t c)
+{
+ /* Map some unicode characters to the RISC OS font, if possible. */
+ switch (c)
+ {
+ case 0x2190: /* left arrow */
+ c = 0x1b;
+ break;
+ case 0x2191: /* up arrow */
+ c = 0x18;
+ break;
+ case 0x2192: /* right arrow */
+ c = 0x1a;
+ break;
+ case 0x2193: /* down arrow */
+ c = 0x19;
+ break;
+ case 0x2501: /* horizontal line */
+ c = '-';
+ break;
+ case 0x2503: /* vertical line */
+ c = '|';
+ break;
+ case 0x250F: /* upper-left corner */
+ c = '+';
+ break;
+ case 0x2513: /* upper-right corner */
+ c = '+';
+ break;
+ case 0x2517: /* lower-left corner */
+ c = '+';
+ break;
+ case 0x251B: /* lower-right corner */
+ c = '+';
+ break;
+
+ default:
+ //c = '?';
+ break;
+
+ }
+ if (c > 0x100)
+ c = '?';
+
+ grub_console_real_putchar (c);
+}
+
+static void
+grub_console_gotoxy (grub_uint8_t x, grub_uint8_t y)
+{
+ grub_console_real_putchar (31);
+ grub_console_real_putchar (x);
+ grub_console_real_putchar (y);
+}
+
+static void
+grub_console_cls (void)
+{
+ grub_console_real_putchar (12);
+}
+
+static void
+nulls (void)
+{
+ for (int i = 8; i != 0; --i)
+ {
+ grub_console_real_putchar (0);
+ }
+}
+
+static void
+grub_console_setcursor (int on)
+{
+ grub_console_real_putchar (23);
+ grub_console_real_putchar (1);
+ grub_console_real_putchar (on);
+ nulls ();
+}
+
+static grub_term_color_state colourstate;
+
+static void
+grub_console_setcolourstate (grub_term_color_state state)
+{
+ state &= 2;
+ if (colourstate == state)
+ return;
+ colourstate = state;
+ grub_console_real_putchar (23);
+ grub_console_real_putchar (17);
+ grub_console_real_putchar (5);
+ nulls ();
+}
+
+static int old_cursor_key_state;
+
+static grub_err_t
+grub_console_init (void)
+{
+ old_cursor_key_state = grub_console_get_and_set_cursor_key_state (1);
+ return GRUB_ERR_NONE;
+}
+
+static grub_err_t
+grub_console_fini (void)
+{
+ grub_console_get_and_set_cursor_key_state (old_cursor_key_state);
+ return GRUB_ERR_NONE;
+}
+
+int
+grub_console_convert (int c)
+{
+ switch (c)
+ {
+ case 136:
+ c = 2;
+ break;
+ case 137:
+ c = 6;
+ break;
+ case 138:
+ c = 14;
+ break;
+ case 139:
+ c = 16;
+ break;
+ }
+ return c;
+}
+
+static grub_ssize_t
+grub_console_getcharwidth (grub_uint32_t c)
+{
+ (void) c;
+ return 1;
+}
+
+static struct grub_term grub_console_term = {
+ .name = "console",
+ .init = grub_console_init,
+ .fini = grub_console_fini,
+ .putchar = grub_console_putchar,
+ .checkkey = grub_console_checkkey,
+ .getkey = grub_console_getkey,
+ .getwh = grub_console_getwh,
+ .getxy = grub_console_getxy,
+ .gotoxy = grub_console_gotoxy,
+ .cls = grub_console_cls,
+ .setcolorstate = grub_console_setcolourstate,
+ .setcolor = 0,
+ .setcursor = grub_console_setcursor,
+ .flags = 0,
+ .next = 0,
+ .getcharwidth = grub_console_getcharwidth,
+};
+
+void
+grub_console_initialise (void)
+{
+ if (grub_console_in_taskwindow ())
+ grub_console_term.flags = GRUB_TERM_DUMB;
+ grub_term_register (&grub_console_term);
+ grub_term_set_current (&grub_console_term);
+}
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