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Diffstat (limited to 'libgloss/m32c/sample.c')
| -rw-r--r-- | libgloss/m32c/sample.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/libgloss/m32c/sample.c b/libgloss/m32c/sample.c deleted file mode 100644 index 0b7c66528..000000000 --- a/libgloss/m32c/sample.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - -Copyright (c) 2008 Red Hat Incorporated. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - The name of Red Hat Incorporated may not be used to endorse - or promote products derived from this software without specific - prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY -DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -*/ - -/* This is a sample program that shows how to use a few of the - features of the M32C port of GCC, Binutils, and Newlib. */ - -#include <varvects.h> - -typedef unsigned char byte; -typedef unsigned short word; - -#define prcr (*(volatile byte *)0x000a) -#define cm0 (*(volatile byte *)0x0006) -#define cm1 (*(volatile byte *)0x0007) -#define ocd (*(volatile byte *)0x000c) - -#ifdef __r8c_cpu__ -/* These are for the R8C/20 with LEDs on port P2 */ - -#define tracr (*(volatile byte *)0x0100) -#define traioc (*(volatile byte *)0x0101) -#define tramr (*(volatile byte *)0x0102) -#define trapre (*(volatile byte *)0x0103) -#define tra (*(volatile byte *)0x0104) -#define traic (*(volatile byte *)0x0056) - -#define pd2 (*(volatile byte *)0x00e6) -#define p2 (*(volatile byte *)0x00e4) - -#define ivec_timer_ra 22 -#endif - -#ifdef __m32c_cpu__ -/* These are for the M32C/83 with LEDs on port P0 and P1 */ - -#define ta0 (*(volatile word *)0x0346) -#define ta0mr (*(volatile byte *)0x0356) -#define tabsr (*(volatile byte *)0x0340) -#define ta0ic (*(volatile byte *)0x006c) - -#define pd0 (*(volatile byte *)0x03e2) -#define pd1 (*(volatile byte *)0x03e3) -#define p0 (*(volatile byte *)0x03e0) -#define p1 (*(volatile byte *)0x03e1) - -#define ivec_timer_a0 12 -#endif - -/* Newlib's exit() pulls in lots of other things. Main() should never - exit, but if it did, you could hard-reset the chip here. */ -void -exit(int rv) -{ - while (1) - asm volatile (""); -} - -#ifdef __r8c_cpu__ -/* The "constructor" attribute causes the startup code to call this - sometime before main() is called. */ -__attribute__((constructor)) -void -fast_clock(void) -{ - asm("fclr I"); - prcr = 1; - cm0 = 0x08; - cm1 = 0x38; - asm("nop"); - asm("nop"); - asm("nop"); - asm("nop"); - ocd = 0; - prcr = 0; - asm("fset I"); -} -#endif - -/* We mark this volatile in case a non-interrupt function wants to - read it, else gcc may optimize away extra reads. */ -static volatile int tc = 1; - -/* The "interrupt" attribute changes the function entry/exit to - properly preserve any changed registers. */ -static void __attribute__((interrupt)) -timer_ra_interrupt() -{ - tc ++; -#ifdef __r8c_cpu__ - p2 = tc >> 4; -#else - p1 = tc; - p0 = tc >> 8; -#endif -} - -main() -{ -#ifdef __r8c_cpu__ - pd2 = 0xff; - - /* TIMER RA */ - tracr = 0x00; - traioc = 0x00; - tramr = 0x00; /* timer mode, f1 */ - trapre = 255; /* prescaler */ - tra = 255; /* cycle count */ - - _set_var_vect (timer_ra_interrupt, ivec_timer_ra); - traic = 5; - tracr = 1; -#endif - -#ifdef __m32c_cpu__ - pd0 = 0xff; - pd1 = 0xff; - - /* TIMER A0 */ - ta0mr = 0x00; /* Timer A0 mode register */ - ta0 = 65535; /* Timer A0 register */ - - _set_var_vect (timer_ra_interrupt, ivec_timer_a0); - ta0ic = 5; - tabsr = 0xff; -#endif - - /* main() must never return. */ - while (1) - ; -} |