forked from epagris/FreeRTOS-Kernel
Correct alignment issue in GCC and RVDS Cortex-A9 port that was preventing full floating point usage in interrupts (other ports will be updated likewise).
Update the Zynq demo to test the GCC Cortex-A9 port layer modification mentioned on the line above.
This commit is contained in:
Richard Barry
parent
d67dcf9c74
commit
6ffaa6f018
@ -83,6 +83,9 @@
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<tool id="xilinx.gnu.armv7.size.debug.922806469" name="ARM v7 Print Size" superClass="xilinx.gnu.armv7.size.debug"/>
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</toolChain>
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</folderInfo>
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<fileInfo id="xilinx.gnu.armv7.exe.debug.42884744.1294115727" name="printf-stdarg.c" rcbsApplicability="disable" resourcePath="src/printf-stdarg.c" toolsToInvoke="xilinx.gnu.armv7.c.toolchain.compiler.debug.2006913865.2055003215">
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<tool id="xilinx.gnu.armv7.c.toolchain.compiler.debug.2006913865.2055003215" name="ARM v7 gcc compiler" superClass="xilinx.gnu.armv7.c.toolchain.compiler.debug.2006913865"/>
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</fileInfo>
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<sourceEntries>
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<entry excluding="src/lwIP_Demo/lwIP_Apps/apps/httpserver_raw_from_lwIP_download/fsdata.c|src/lwIP_Demo/lwIP_Apps/apps/httpserver_raw_from_lwIP_download/makefsdata" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/>
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</sourceEntries>
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@ -224,6 +224,12 @@ uint32_t ulInterruptStatus;
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XTtcPs *pxTimer = ( XTtcPs * ) pvCallBackRef;
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BaseType_t xYieldRequired;
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#if( configASSERT_DEFINED == 1 )
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/* Test floating point access within nested interrupts. */
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volatile long double d1, d2;
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#endif
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/* Read the interrupt status, then write it back to clear the interrupt. */
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ulInterruptStatus = XTtcPs_GetInterruptStatus( pxTimer );
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XTtcPs_ClearInterruptStatus( pxTimer, ulInterruptStatus );
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@ -234,11 +240,37 @@ BaseType_t xYieldRequired;
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/* Check the device ID to know which IntQueue demo to call. */
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if( pxTimer->Config.DeviceId == xDeviceIDs[ 0 ] )
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{
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#if( configASSERT_DEFINED == 1 )
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{
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/* Test floating point access within nested interrupts. */
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d1 = 1.5L;
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d2 = 5.25L;
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}
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#endif /* configASSERT_DEFINED */
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xYieldRequired = xFirstTimerHandler();
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/* Will fail eventually if flop context switch is not correct in
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interrupts. Keep calculation simple so the answer is exact even when
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using flop. */
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configASSERT( ( d1 * d2 ) == ( 1.5L * 5.25L ) );
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}
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else if( pxTimer->Config.DeviceId == xDeviceIDs[ 1 ] )
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{
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#if( configASSERT_DEFINED == 1 )
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{
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/* Test floating point access within nested interrupts. */
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d1 = 10.5L;
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d2 = 5.5L;
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}
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#endif /* configASSERT_DEFINED */
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xYieldRequired = xSecondTimerHandler();
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/* Will fail eventually if flop context switch is not correct in
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interrupts. Keep calculation simple so the answer is exact even when
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using flop. */
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configASSERT( ( d1 / d2 ) == ( 10.5L / 5.5L ) );
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}
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else
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{
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@ -334,6 +334,23 @@ void vApplicationTickHook( void )
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/* Use mutexes from interrupts. */
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vInterruptSemaphorePeriodicTest();
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/* Test flop alignment in interrupts - calling printf from an interrupt
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is BAD! */
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#if( configASSERT_DEFINED == 1 )
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{
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char cBuf[ 20 ];
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UBaseType_t uxSavedInterruptStatus;
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uxSavedInterruptStatus = portSET_INTERRUPT_MASK_FROM_ISR();
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{
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sprintf( cBuf, "%1.3f", 1.234 );
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}
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portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus );
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configASSERT( strcmp( cBuf, "1.234" ) == 0 );
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}
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#endif /* configASSERT_DEFINED */
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}
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#endif
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}
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@ -1,285 +0,0 @@
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/*
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Copyright 2001, 2002 Georges Menie (www.menie.org)
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stdarg version contributed by Christian Ettinger
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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putchar is the only external dependency for this file,
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if you have a working putchar, leave it commented out.
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If not, uncomment the define below and
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replace outbyte(c) by your own function call.
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*/
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#define putchar(c) c
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#include <stdarg.h>
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static void printchar(char **str, int c)
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{
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//extern int putchar(int c);
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if (str) {
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**str = (char)c;
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++(*str);
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}
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else
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{
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(void)putchar(c);
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}
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}
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#define PAD_RIGHT 1
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#define PAD_ZERO 2
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static int prints(char **out, const char *string, int width, int pad)
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{
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register int pc = 0, padchar = ' ';
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if (width > 0) {
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register int len = 0;
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register const char *ptr;
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for (ptr = string; *ptr; ++ptr) ++len;
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if (len >= width) width = 0;
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else width -= len;
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if (pad & PAD_ZERO) padchar = '0';
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}
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if (!(pad & PAD_RIGHT)) {
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for ( ; width > 0; --width) {
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printchar (out, padchar);
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++pc;
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}
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}
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for ( ; *string ; ++string) {
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printchar (out, *string);
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++pc;
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}
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for ( ; width > 0; --width) {
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printchar (out, padchar);
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++pc;
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}
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return pc;
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}
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/* the following should be enough for 32 bit int */
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#define PRINT_BUF_LEN 12
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static int printi(char **out, int i, int b, int sg, int width, int pad, int letbase)
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{
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char print_buf[PRINT_BUF_LEN];
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register char *s;
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register int t, neg = 0, pc = 0;
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register unsigned int u = (unsigned int)i;
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if (i == 0) {
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print_buf[0] = '0';
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print_buf[1] = '\0';
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return prints (out, print_buf, width, pad);
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}
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if (sg && b == 10 && i < 0) {
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neg = 1;
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u = (unsigned int)-i;
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}
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s = print_buf + PRINT_BUF_LEN-1;
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*s = '\0';
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while (u) {
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t = (unsigned int)u % b;
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if( t >= 10 )
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t += letbase - '0' - 10;
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*--s = (char)(t + '0');
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u /= b;
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}
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if (neg) {
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if( width && (pad & PAD_ZERO) ) {
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printchar (out, '-');
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++pc;
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--width;
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}
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else {
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*--s = '-';
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}
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}
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return pc + prints (out, s, width, pad);
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}
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static int print( char **out, const char *format, va_list args )
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{
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register int width, pad;
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register int pc = 0;
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char scr[2];
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for (; *format != 0; ++format) {
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if (*format == '%') {
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++format;
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width = pad = 0;
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if (*format == '\0') break;
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if (*format == '%') goto out;
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if (*format == '-') {
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++format;
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pad = PAD_RIGHT;
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}
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while (*format == '0') {
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++format;
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pad |= PAD_ZERO;
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}
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for ( ; *format >= '0' && *format <= '9'; ++format) {
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width *= 10;
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width += *format - '0';
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}
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if( *format == 's' ) {
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register char *s = (char *)va_arg( args, int );
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pc += prints (out, s?s:"(null)", width, pad);
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continue;
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}
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if( *format == 'd' ) {
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pc += printi (out, va_arg( args, int ), 10, 1, width, pad, 'a');
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continue;
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}
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if( *format == 'x' ) {
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pc += printi (out, va_arg( args, int ), 16, 0, width, pad, 'a');
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continue;
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}
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if( *format == 'X' ) {
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pc += printi (out, va_arg( args, int ), 16, 0, width, pad, 'A');
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continue;
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}
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if( *format == 'u' ) {
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pc += printi (out, va_arg( args, int ), 10, 0, width, pad, 'a');
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continue;
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}
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if( *format == 'c' ) {
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/* char are converted to int then pushed on the stack */
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scr[0] = (char)va_arg( args, int );
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scr[1] = '\0';
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pc += prints (out, scr, width, pad);
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continue;
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}
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}
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else {
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out:
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printchar (out, *format);
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++pc;
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}
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}
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if (out) **out = '\0';
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va_end( args );
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return pc;
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}
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int printf(const char *format, ...)
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{
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va_list args;
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va_start( args, format );
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return print( 0, format, args );
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}
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int sprintf(char *out, const char *format, ...)
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{
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va_list args;
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va_start( args, format );
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return print( &out, format, args );
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}
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int snprintf( char *buf, unsigned int count, const char *format, ... )
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{
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va_list args;
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( void ) count;
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va_start( args, format );
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return print( &buf, format, args );
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}
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#ifdef TEST_PRINTF
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int main(void)
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{
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char *ptr = "Hello world!";
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char *np = 0;
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int i = 5;
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unsigned int bs = sizeof(int)*8;
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int mi;
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char buf[80];
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mi = (1 << (bs-1)) + 1;
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printf("%s\n", ptr);
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printf("printf test\n");
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printf("%s is null pointer\n", np);
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printf("%d = 5\n", i);
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printf("%d = - max int\n", mi);
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printf("char %c = 'a'\n", 'a');
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printf("hex %x = ff\n", 0xff);
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printf("hex %02x = 00\n", 0);
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printf("signed %d = unsigned %u = hex %x\n", -3, -3, -3);
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printf("%d %s(s)%", 0, "message");
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printf("\n");
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printf("%d %s(s) with %%\n", 0, "message");
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sprintf(buf, "justif: \"%-10s\"\n", "left"); printf("%s", buf);
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sprintf(buf, "justif: \"%10s\"\n", "right"); printf("%s", buf);
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sprintf(buf, " 3: %04d zero padded\n", 3); printf("%s", buf);
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sprintf(buf, " 3: %-4d left justif.\n", 3); printf("%s", buf);
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sprintf(buf, " 3: %4d right justif.\n", 3); printf("%s", buf);
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||||
sprintf(buf, "-3: %04d zero padded\n", -3); printf("%s", buf);
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||||
sprintf(buf, "-3: %-4d left justif.\n", -3); printf("%s", buf);
|
||||
sprintf(buf, "-3: %4d right justif.\n", -3); printf("%s", buf);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* if you compile this file with
|
||||
* gcc -Wall $(YOUR_C_OPTIONS) -DTEST_PRINTF -c printf.c
|
||||
* you will get a normal warning:
|
||||
* printf.c:214: warning: spurious trailing `%' in format
|
||||
* this line is testing an invalid % at the end of the format string.
|
||||
*
|
||||
* this should display (on 32bit int machine) :
|
||||
*
|
||||
* Hello world!
|
||||
* printf test
|
||||
* (null) is null pointer
|
||||
* 5 = 5
|
||||
* -2147483647 = - max int
|
||||
* char a = 'a'
|
||||
* hex ff = ff
|
||||
* hex 00 = 00
|
||||
* signed -3 = unsigned 4294967293 = hex fffffffd
|
||||
* 0 message(s)
|
||||
* 0 message(s) with %
|
||||
* justif: "left "
|
||||
* justif: " right"
|
||||
* 3: 0003 zero padded
|
||||
* 3: 3 left justif.
|
||||
* 3: 3 right justif.
|
||||
* -3: -003 zero padded
|
||||
* -3: -3 left justif.
|
||||
* -3: -3 right justif.
|
||||
*/
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
* Version:
|
||||
* DO NOT EDIT.
|
||||
*
|
||||
* Copyright (C) 2010-2016 Xilinx, Inc. All Rights Reserved.*
|
||||
* Copyright (C) 2010-2017 Xilinx, Inc. All Rights Reserved.*
|
||||
*Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
*of this software and associated documentation files (the Software), to deal
|
||||
*in the Software without restriction, including without limitation the rights
|
||||
|
||||
@ -217,16 +217,17 @@ FreeRTOS_IRQ_Handler:
|
||||
LDR r0, [r2]
|
||||
|
||||
/* Ensure bit 2 of the stack pointer is clear. r2 holds the bit 2 value for
|
||||
future use. */
|
||||
future use. _RB_ Does this ever actually need to be done provided the start
|
||||
of the stack is 8-byte aligned? */
|
||||
MOV r2, sp
|
||||
AND r2, r2, #4
|
||||
SUB sp, sp, r2
|
||||
|
||||
/* Call the interrupt handler. */
|
||||
PUSH {r0-r3, lr}
|
||||
/* Call the interrupt handler. r4 pushed to maintain alignment. */
|
||||
PUSH {r0-r4, lr}
|
||||
LDR r1, vApplicationIRQHandlerConst
|
||||
BLX r1
|
||||
POP {r0-r3, lr}
|
||||
POP {r0-r4, lr}
|
||||
ADD sp, sp, r2
|
||||
|
||||
CPSID i
|
||||
|
||||
@ -124,16 +124,17 @@ FreeRTOS_IRQ_Handler
|
||||
LDR r0, [r2]
|
||||
|
||||
; Ensure bit 2 of the stack pointer is clear. r2 holds the bit 2 value for
|
||||
; future use.
|
||||
; future use. _RB_ Does this ever actually need to be done provided the
|
||||
; start of the stack is 8-byte aligned?
|
||||
MOV r2, sp
|
||||
AND r2, r2, #4
|
||||
SUB sp, sp, r2
|
||||
|
||||
; Call the interrupt handler
|
||||
PUSH {r0-r3, lr}
|
||||
; Call the interrupt handler. r4 is pushed to maintain alignment.
|
||||
PUSH {r0-r4, lr}
|
||||
LDR r1, =vApplicationIRQHandler
|
||||
BLX r1
|
||||
POP {r0-r3, lr}
|
||||
POP {r0-r4, lr}
|
||||
ADD sp, sp, r2
|
||||
|
||||
CPSID i
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user