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authorRoland McGrath <roland@gnu.org>1994-09-13 17:09:48 +0000
committerRoland McGrath <roland@gnu.org>1994-09-13 17:09:48 +0000
commit09dbb2c168a338a36f4debd8ce40d4e5089987a7 (patch)
treeca9a51a7292168f1b05cfdf7c4e2a40bfe42ff33
parent7704bac4de34fe1c3d367c02de17ed79577f2379 (diff)
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entered into RCS
-rw-r--r--sysdeps/standalone/i386/force_cpu386/target.ld59
-rw-r--r--sysdeps/standalone/m68k/m68020/m68020.h88
-rw-r--r--sysdeps/standalone/m68k/m68020/mvme136/mvme136.ld62
3 files changed, 209 insertions, 0 deletions
diff --git a/sysdeps/standalone/i386/force_cpu386/target.ld b/sysdeps/standalone/i386/force_cpu386/target.ld
new file mode 100644
index 0000000000..056da10d55
--- /dev/null
+++ b/sysdeps/standalone/i386/force_cpu386/target.ld
@@ -0,0 +1,59 @@
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+ Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+ On-Line Applications Research Corporation.
+
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+/* This file contains directives for the GNU linker which are specific
+to the FORCE CPU386 board. */
+
+MEMORY
+ {
+ ram : org = 0x0, l = 1M
+ }
+
+/* This value is also when the space is allocated. If you change
+this one, change the other one!!! */
+
+heap_size = 0x20000;
+
+SECTIONS
+{
+ .text 0x0 :
+ {
+ _text_start = ABSOLUTE(.) ;
+ *(.text)
+ _etext = ALIGN( 0x10 ) ;
+ }
+ .data ADDR( .text ) + SIZEOF( .text ):
+ {
+ _data_start = . ;
+ *(.data)
+ _edata = ALIGN( 0x10 ) ;
+ }
+ .bss ADDR( .data ) + SIZEOF( .data ):
+ {
+ _bss_start = . ;
+ *(.bss)
+ *(COMMON)
+ heap_memory = .;
+ . += 0x20000;
+ _end = . ;
+ __end = . ;
+ }
+}
diff --git a/sysdeps/standalone/m68k/m68020/m68020.h b/sysdeps/standalone/m68k/m68020/m68020.h
new file mode 100644
index 0000000000..e9e6f7d875
--- /dev/null
+++ b/sysdeps/standalone/m68k/m68020/m68020.h
@@ -0,0 +1,88 @@
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+ Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+ On-Line Applications Research Corporation.
+
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+/* m68020.h
+ *
+ * This file contains macros which are used to access MC68020
+ * registers which are not addressable by C. These are
+ * useful when developing the board specific support.
+ */
+
+#ifndef m68020_h__
+#define m68020_h__
+
+typedef void ( *mc68020_isr )( void );
+
+#define disable_intr( level ) \
+ { (level) = 0; \
+ asm volatile ( "movew %%sr,%0 ; \
+ orw #0x0700,%%sr" \
+ : "=d" ((level)) : "0" ((level)) ); \
+ }
+
+#define enable_intr( level ) \
+ { asm volatile ( "movew %0,%%sr " \
+ : "=d" ((level)) : "0" ((level)) ); \
+ }
+
+#define flash_intr( level ) \
+ { asm volatile ( "movew %0,%%sr ; \
+ orw #0x0700,%%sr" \
+ : "=d" ((level)) : "0" ((level)) ); \
+ }
+
+#define get_vbr( vbr ) \
+ { (vbr) = 0; \
+ asm volatile ( "movec %%vbr,%0 " \
+ : "=a" (vbr) : "0" (vbr) ); \
+ }
+
+#define set_vbr( vbr ) \
+ { register mc68020_isr *_vbr= (mc68020_isr *)(vbr); \
+ asm volatile ( "movec %0,%%vbr " \
+ : "=a" (_vbr) : "0" (_vbr) ); \
+ }
+
+#define enable_caching() \
+ { register unsigned int _ctl=0x01; \
+ asm volatile ( "movec %0,%%cacr" \
+ : "=d" (_ctl) : "0" (_ctl) ); \
+ }
+
+#define delay( microseconds ) \
+ { register unsigned int _delay=(microseconds); \
+ register unsigned int _tmp=123; \
+ asm volatile( "0: \
+ nbcd %0 ; \
+ nbcd %0 ; \
+ dbf %1,0 " \
+ : "=d" (_tmp), "=d" (_delay) \
+ : "0" (_tmp), "1" (_delay) ); \
+ }
+
+#define enable_tracing()
+#define cause_intr( X )
+#define clear_intr( X )
+
+extern mc68020_isr M68Kvec[]; /* vector table address */
+
+#endif
+/* end of include file */
diff --git a/sysdeps/standalone/m68k/m68020/mvme136/mvme136.ld b/sysdeps/standalone/m68k/m68020/mvme136/mvme136.ld
new file mode 100644
index 0000000000..0f68330241
--- /dev/null
+++ b/sysdeps/standalone/m68k/m68020/mvme136/mvme136.ld
@@ -0,0 +1,62 @@
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+ Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+ On-Line Applications Research Corporation.
+
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+/* This file contains directives for the GNU linker which are specific
+to the Motorola MVME136/MVME135 boards. */
+
+MEMORY
+ {
+ ram : org = 0x3000, l = 1M
+ }
+
+/* This value is also when the space is allocated. If you change
+this one, change the other one!!! */
+
+heap_size = 0x20000;
+
+SECTIONS
+{
+ .text 0x3000 :
+ {
+ text_start = ABSOLUTE(.) ;
+ *(.text)
+ etext = ALIGN( 0x10 ) ;
+ }
+
+ .data ADDR( .text ) + SIZEOF( .text ):
+ {
+ data_start = . ;
+ *(.data)
+ edata = ALIGN( 0x10 ) ;
+ }
+
+ .bss ADDR( .data ) + SIZEOF( .data ):
+ {
+ bss_start = . ;
+ _bss_start = . ;
+ *(.bss)
+ *(COMMON)
+ heap_memory = .;
+ . += 0x20000;
+ end = . ;
+ _end = . ;
+ }
+}