/*=================================================================
|
/*=================================================================
|
//
|
//
|
// kcache1.c
|
// kcache1.c
|
//
|
//
|
// Cache timing test
|
// Cache timing test
|
//
|
//
|
//==========================================================================
|
//==========================================================================
|
//####ECOSGPLCOPYRIGHTBEGIN####
|
//####ECOSGPLCOPYRIGHTBEGIN####
|
// -------------------------------------------
|
// -------------------------------------------
|
// This file is part of eCos, the Embedded Configurable Operating System.
|
// This file is part of eCos, the Embedded Configurable Operating System.
|
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
|
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
|
//
|
//
|
// eCos is free software; you can redistribute it and/or modify it under
|
// eCos 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
|
// the terms of the GNU General Public License as published by the Free
|
// Software Foundation; either version 2 or (at your option) any later version.
|
// Software Foundation; either version 2 or (at your option) any later version.
|
//
|
//
|
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
|
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
|
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
// for more details.
|
// for more details.
|
//
|
//
|
// You should have received a copy of the GNU General Public License along
|
// You should have received a copy of the GNU General Public License along
|
// with eCos; if not, write to the Free Software Foundation, Inc.,
|
// with eCos; if not, write to the Free Software Foundation, Inc.,
|
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
|
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
|
//
|
//
|
// As a special exception, if other files instantiate templates or use macros
|
// As a special exception, if other files instantiate templates or use macros
|
// or inline functions from this file, or you compile this file and link it
|
// or inline functions from this file, or you compile this file and link it
|
// with other works to produce a work based on this file, this file does not
|
// with other works to produce a work based on this file, this file does not
|
// by itself cause the resulting work to be covered by the GNU General Public
|
// by itself cause the resulting work to be covered by the GNU General Public
|
// License. However the source code for this file must still be made available
|
// License. However the source code for this file must still be made available
|
// in accordance with section (3) of the GNU General Public License.
|
// in accordance with section (3) of the GNU General Public License.
|
//
|
//
|
// This exception does not invalidate any other reasons why a work based on
|
// This exception does not invalidate any other reasons why a work based on
|
// this file might be covered by the GNU General Public License.
|
// this file might be covered by the GNU General Public License.
|
//
|
//
|
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
|
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
|
// at http://sources.redhat.com/ecos/ecos-license/
|
// at http://sources.redhat.com/ecos/ecos-license/
|
// -------------------------------------------
|
// -------------------------------------------
|
//####ECOSGPLCOPYRIGHTEND####
|
//####ECOSGPLCOPYRIGHTEND####
|
//==========================================================================
|
//==========================================================================
|
//#####DESCRIPTIONBEGIN####
|
//#####DESCRIPTIONBEGIN####
|
//
|
//
|
// Author(s): dsm
|
// Author(s): dsm
|
// Contributors: dsm, nickg
|
// Contributors: dsm, nickg
|
// Date: 1998-06-18
|
// Date: 1998-06-18
|
//####DESCRIPTIONEND####
|
//####DESCRIPTIONEND####
|
*/
|
*/
|
|
|
#include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
|
#include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
|
|
|
#include <cyg/kernel/kapi.h>
|
#include <cyg/kernel/kapi.h>
|
|
|
#include <cyg/infra/testcase.h>
|
#include <cyg/infra/testcase.h>
|
|
|
#include <cyg/hal/hal_cache.h>
|
#include <cyg/hal/hal_cache.h>
|
|
|
#if defined(HAL_DCACHE_SIZE) || defined(HAL_UCACHE_SIZE)
|
#if defined(HAL_DCACHE_SIZE) || defined(HAL_UCACHE_SIZE)
|
#ifdef CYGVAR_KERNEL_COUNTERS_CLOCK
|
#ifdef CYGVAR_KERNEL_COUNTERS_CLOCK
|
#ifdef CYGFUN_KERNEL_API_C
|
#ifdef CYGFUN_KERNEL_API_C
|
|
|
#include <cyg/infra/diag.h>
|
#include <cyg/infra/diag.h>
|
#include <cyg/hal/hal_intr.h>
|
#include <cyg/hal/hal_intr.h>
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
// If the HAL does not supply this, we supply our own version
|
// If the HAL does not supply this, we supply our own version
|
|
|
#ifndef HAL_DCACHE_PURGE_ALL
|
#ifndef HAL_DCACHE_PURGE_ALL
|
# ifdef HAL_DCACHE_SYNC
|
# ifdef HAL_DCACHE_SYNC
|
|
|
#define HAL_DCACHE_PURGE_ALL() HAL_DCACHE_SYNC()
|
#define HAL_DCACHE_PURGE_ALL() HAL_DCACHE_SYNC()
|
|
|
# else
|
# else
|
|
|
static cyg_uint8 dca[HAL_DCACHE_SIZE + HAL_DCACHE_LINE_SIZE*2];
|
static cyg_uint8 dca[HAL_DCACHE_SIZE + HAL_DCACHE_LINE_SIZE*2];
|
|
|
#define HAL_DCACHE_PURGE_ALL() \
|
#define HAL_DCACHE_PURGE_ALL() \
|
CYG_MACRO_START \
|
CYG_MACRO_START \
|
volatile cyg_uint8 *addr = &dca[HAL_DCACHE_LINE_SIZE]; \
|
volatile cyg_uint8 *addr = &dca[HAL_DCACHE_LINE_SIZE]; \
|
volatile cyg_uint8 tmp = 0; \
|
volatile cyg_uint8 tmp = 0; \
|
int i; \
|
int i; \
|
for( i = 0; i < HAL_DCACHE_SIZE; i += HAL_DCACHE_LINE_SIZE ) \
|
for( i = 0; i < HAL_DCACHE_SIZE; i += HAL_DCACHE_LINE_SIZE ) \
|
{ \
|
{ \
|
tmp = addr[i]; \
|
tmp = addr[i]; \
|
} \
|
} \
|
CYG_MACRO_END
|
CYG_MACRO_END
|
|
|
# endif
|
# endif
|
#endif
|
#endif
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
#define NTHREADS 1
|
#define NTHREADS 1
|
#define STACKSIZE CYGNUM_HAL_STACK_SIZE_TYPICAL
|
#define STACKSIZE CYGNUM_HAL_STACK_SIZE_TYPICAL
|
|
|
static cyg_handle_t thread[NTHREADS];
|
static cyg_handle_t thread[NTHREADS];
|
|
|
static cyg_thread thread_obj[NTHREADS];
|
static cyg_thread thread_obj[NTHREADS];
|
static char stack[NTHREADS][STACKSIZE];
|
static char stack[NTHREADS][STACKSIZE];
|
|
|
#ifndef MAX_STRIDE
|
#ifndef MAX_STRIDE
|
#define MAX_STRIDE 64
|
#define MAX_STRIDE 64
|
#endif
|
#endif
|
|
|
volatile char m[(HAL_DCACHE_SIZE/HAL_DCACHE_LINE_SIZE)*MAX_STRIDE];
|
volatile char m[(HAL_DCACHE_SIZE/HAL_DCACHE_LINE_SIZE)*MAX_STRIDE];
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
static void time0(register cyg_uint32 stride)
|
static void time0(register cyg_uint32 stride)
|
{
|
{
|
register cyg_uint32 j,k;
|
register cyg_uint32 j,k;
|
cyg_tick_count_t count0, count1;
|
cyg_tick_count_t count0, count1;
|
cyg_ucount32 t;
|
cyg_ucount32 t;
|
register char c;
|
register char c;
|
|
|
count0 = cyg_current_time();
|
count0 = cyg_current_time();
|
|
|
k = 0;
|
k = 0;
|
if ( cyg_test_is_simulator )
|
if ( cyg_test_is_simulator )
|
k = 3960;
|
k = 3960;
|
|
|
for(; k<4000;k++) {
|
for(; k<4000;k++) {
|
for(j=0; j<(HAL_DCACHE_SIZE/HAL_DCACHE_LINE_SIZE); j++) {
|
for(j=0; j<(HAL_DCACHE_SIZE/HAL_DCACHE_LINE_SIZE); j++) {
|
c=m[stride*j];
|
c=m[stride*j];
|
}
|
}
|
}
|
}
|
|
|
count1 = cyg_current_time();
|
count1 = cyg_current_time();
|
t = count1 - count0;
|
t = count1 - count0;
|
diag_printf("stride=%d, time=%d\n", stride, t);
|
diag_printf("stride=%d, time=%d\n", stride, t);
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
void time1(void)
|
void time1(void)
|
{
|
{
|
cyg_uint32 i;
|
cyg_uint32 i;
|
|
|
for(i=1; i<=MAX_STRIDE; i+=i) {
|
for(i=1; i<=MAX_STRIDE; i+=i) {
|
time0(i);
|
time0(i);
|
}
|
}
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
// With an ICache invalidate in the middle:
|
// With an ICache invalidate in the middle:
|
#ifdef HAL_ICACHE_INVALIDATE_ALL
|
#ifdef HAL_ICACHE_INVALIDATE_ALL
|
static void time0II(register cyg_uint32 stride)
|
static void time0II(register cyg_uint32 stride)
|
{
|
{
|
register cyg_uint32 j,k;
|
register cyg_uint32 j,k;
|
cyg_tick_count_t count0, count1;
|
cyg_tick_count_t count0, count1;
|
cyg_ucount32 t;
|
cyg_ucount32 t;
|
register char c;
|
register char c;
|
|
|
count0 = cyg_current_time();
|
count0 = cyg_current_time();
|
|
|
k = 0;
|
k = 0;
|
if ( cyg_test_is_simulator )
|
if ( cyg_test_is_simulator )
|
k = 3960;
|
k = 3960;
|
|
|
for(; k<4000;k++) {
|
for(; k<4000;k++) {
|
for(j=0; j<(HAL_DCACHE_SIZE/HAL_DCACHE_LINE_SIZE); j++) {
|
for(j=0; j<(HAL_DCACHE_SIZE/HAL_DCACHE_LINE_SIZE); j++) {
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
c=m[stride*j];
|
c=m[stride*j];
|
}
|
}
|
}
|
}
|
|
|
count1 = cyg_current_time();
|
count1 = cyg_current_time();
|
t = count1 - count0;
|
t = count1 - count0;
|
diag_printf("stride=%d, time=%d\n", stride, t);
|
diag_printf("stride=%d, time=%d\n", stride, t);
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
void time1II(void)
|
void time1II(void)
|
{
|
{
|
cyg_uint32 i;
|
cyg_uint32 i;
|
|
|
for(i=1; i<=MAX_STRIDE; i+=i) {
|
for(i=1; i<=MAX_STRIDE; i+=i) {
|
time0II(i);
|
time0II(i);
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
// With a DCache invalidate in the middle:
|
// With a DCache invalidate in the middle:
|
// This is guaranteed to produce bogus timing results since interrupts
|
// This is guaranteed to produce bogus timing results since interrupts
|
// have to be disabled to prevent accidental loss of state.
|
// have to be disabled to prevent accidental loss of state.
|
#ifdef HAL_DCACHE_INVALIDATE_ALL
|
#ifdef HAL_DCACHE_INVALIDATE_ALL
|
static void time0DI(register cyg_uint32 stride)
|
static void time0DI(register cyg_uint32 stride)
|
{
|
{
|
register cyg_uint32 j,k;
|
register cyg_uint32 j,k;
|
volatile cyg_tick_count_t count0;
|
volatile cyg_tick_count_t count0;
|
cyg_tick_count_t count1;
|
cyg_tick_count_t count1;
|
cyg_ucount32 t;
|
cyg_ucount32 t;
|
register char c;
|
register char c;
|
register CYG_INTERRUPT_STATE oldints;
|
register CYG_INTERRUPT_STATE oldints;
|
|
|
count0 = cyg_current_time();
|
count0 = cyg_current_time();
|
|
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DCACHE_SYNC();
|
HAL_DCACHE_SYNC();
|
|
|
k = 0;
|
k = 0;
|
if ( cyg_test_is_simulator )
|
if ( cyg_test_is_simulator )
|
k = 3960;
|
k = 3960;
|
|
|
for(; k<4000;k++) {
|
for(; k<4000;k++) {
|
for(j=0; j<(HAL_DCACHE_SIZE/HAL_DCACHE_LINE_SIZE); j++) {
|
for(j=0; j<(HAL_DCACHE_SIZE/HAL_DCACHE_LINE_SIZE); j++) {
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
c=m[stride*j];
|
c=m[stride*j];
|
}
|
}
|
}
|
}
|
HAL_RESTORE_INTERRUPTS(oldints);
|
HAL_RESTORE_INTERRUPTS(oldints);
|
|
|
count1 = cyg_current_time();
|
count1 = cyg_current_time();
|
t = count1 - count0;
|
t = count1 - count0;
|
diag_printf("stride=%d, time=%d\n", stride, t);
|
diag_printf("stride=%d, time=%d\n", stride, t);
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
void time1DI(void)
|
void time1DI(void)
|
{
|
{
|
cyg_uint32 i;
|
cyg_uint32 i;
|
|
|
for(i=1; i<=MAX_STRIDE; i+=i) {
|
for(i=1; i<=MAX_STRIDE; i+=i) {
|
time0DI(i);
|
time0DI(i);
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
// This test could be improved by counting number of passes possible
|
// This test could be improved by counting number of passes possible
|
// in a given number of ticks.
|
// in a given number of ticks.
|
|
|
static void entry0( cyg_addrword_t data )
|
static void entry0( cyg_addrword_t data )
|
{
|
{
|
register CYG_INTERRUPT_STATE oldints;
|
register CYG_INTERRUPT_STATE oldints;
|
|
|
#ifdef HAL_CACHE_UNIFIED
|
#ifdef HAL_CACHE_UNIFIED
|
|
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DCACHE_PURGE_ALL(); // rely on above definition
|
HAL_DCACHE_PURGE_ALL(); // rely on above definition
|
HAL_UCACHE_INVALIDATE_ALL();
|
HAL_UCACHE_INVALIDATE_ALL();
|
HAL_UCACHE_DISABLE();
|
HAL_UCACHE_DISABLE();
|
HAL_RESTORE_INTERRUPTS(oldints);
|
HAL_RESTORE_INTERRUPTS(oldints);
|
CYG_TEST_INFO("Cache off");
|
CYG_TEST_INFO("Cache off");
|
time1();
|
time1();
|
|
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DCACHE_PURGE_ALL(); // rely on above definition
|
HAL_DCACHE_PURGE_ALL(); // rely on above definition
|
HAL_UCACHE_INVALIDATE_ALL();
|
HAL_UCACHE_INVALIDATE_ALL();
|
HAL_UCACHE_ENABLE();
|
HAL_UCACHE_ENABLE();
|
HAL_RESTORE_INTERRUPTS(oldints);
|
HAL_RESTORE_INTERRUPTS(oldints);
|
CYG_TEST_INFO("Cache on");
|
CYG_TEST_INFO("Cache on");
|
time1();
|
time1();
|
|
|
#ifdef HAL_DCACHE_INVALIDATE_ALL
|
#ifdef HAL_DCACHE_INVALIDATE_ALL
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DCACHE_PURGE_ALL();
|
HAL_DCACHE_PURGE_ALL();
|
HAL_UCACHE_INVALIDATE_ALL();
|
HAL_UCACHE_INVALIDATE_ALL();
|
HAL_UCACHE_ENABLE();
|
HAL_UCACHE_ENABLE();
|
HAL_RESTORE_INTERRUPTS(oldints);
|
HAL_RESTORE_INTERRUPTS(oldints);
|
CYG_TEST_INFO("Cache on: invalidate Cache (expect bogus timing)");
|
CYG_TEST_INFO("Cache on: invalidate Cache (expect bogus timing)");
|
time1DI();
|
time1DI();
|
#endif
|
#endif
|
|
|
#else // HAL_CACHE_UNIFIED
|
#else // HAL_CACHE_UNIFIED
|
|
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DCACHE_PURGE_ALL();
|
HAL_DCACHE_PURGE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_ICACHE_DISABLE();
|
HAL_ICACHE_DISABLE();
|
HAL_DCACHE_DISABLE();
|
HAL_DCACHE_DISABLE();
|
HAL_RESTORE_INTERRUPTS(oldints);
|
HAL_RESTORE_INTERRUPTS(oldints);
|
CYG_TEST_INFO("Dcache off Icache off");
|
CYG_TEST_INFO("Dcache off Icache off");
|
time1();
|
time1();
|
|
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DCACHE_PURGE_ALL();
|
HAL_DCACHE_PURGE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_ICACHE_DISABLE();
|
HAL_ICACHE_DISABLE();
|
HAL_DCACHE_ENABLE();
|
HAL_DCACHE_ENABLE();
|
HAL_RESTORE_INTERRUPTS(oldints);
|
HAL_RESTORE_INTERRUPTS(oldints);
|
CYG_TEST_INFO("Dcache on Icache off");
|
CYG_TEST_INFO("Dcache on Icache off");
|
time1();
|
time1();
|
|
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DCACHE_PURGE_ALL();
|
HAL_DCACHE_PURGE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_ICACHE_ENABLE();
|
HAL_ICACHE_ENABLE();
|
HAL_DCACHE_DISABLE();
|
HAL_DCACHE_DISABLE();
|
HAL_RESTORE_INTERRUPTS(oldints);
|
HAL_RESTORE_INTERRUPTS(oldints);
|
CYG_TEST_INFO("Dcache off Icache on");
|
CYG_TEST_INFO("Dcache off Icache on");
|
time1();
|
time1();
|
|
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DCACHE_PURGE_ALL();
|
HAL_DCACHE_PURGE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_ICACHE_ENABLE();
|
HAL_ICACHE_ENABLE();
|
HAL_DCACHE_ENABLE();
|
HAL_DCACHE_ENABLE();
|
HAL_RESTORE_INTERRUPTS(oldints);
|
HAL_RESTORE_INTERRUPTS(oldints);
|
CYG_TEST_INFO("Dcache on Icache on");
|
CYG_TEST_INFO("Dcache on Icache on");
|
time1();
|
time1();
|
|
|
|
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DCACHE_PURGE_ALL();
|
HAL_DCACHE_PURGE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_ICACHE_DISABLE();
|
HAL_ICACHE_DISABLE();
|
HAL_DCACHE_DISABLE();
|
HAL_DCACHE_DISABLE();
|
HAL_RESTORE_INTERRUPTS(oldints);
|
HAL_RESTORE_INTERRUPTS(oldints);
|
CYG_TEST_INFO("Dcache off Icache off (again)");
|
CYG_TEST_INFO("Dcache off Icache off (again)");
|
time1();
|
time1();
|
|
|
#if defined(HAL_DCACHE_INVALIDATE_ALL) || defined(HAL_ICACHE_INVALIDATE_ALL)
|
#if defined(HAL_DCACHE_INVALIDATE_ALL) || defined(HAL_ICACHE_INVALIDATE_ALL)
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DCACHE_PURGE_ALL();
|
HAL_DCACHE_PURGE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_ICACHE_ENABLE();
|
HAL_ICACHE_ENABLE();
|
HAL_DCACHE_ENABLE();
|
HAL_DCACHE_ENABLE();
|
HAL_RESTORE_INTERRUPTS(oldints);
|
HAL_RESTORE_INTERRUPTS(oldints);
|
CYG_TEST_INFO("Dcache on Icache on (again)");
|
CYG_TEST_INFO("Dcache on Icache on (again)");
|
time1();
|
time1();
|
|
|
#if defined(CYGPKG_HAL_MIPS)
|
#if defined(CYGPKG_HAL_MIPS)
|
// In some architectures, the time taken for the next two tests is
|
// In some architectures, the time taken for the next two tests is
|
// very long, partly because HAL_XCACHE_INVALIDATE_ALL() is implemented
|
// very long, partly because HAL_XCACHE_INVALIDATE_ALL() is implemented
|
// with a loop over the cache. Hence these tests take longer than the
|
// with a loop over the cache. Hence these tests take longer than the
|
// testing infrastructure is prepared to wait. The simplest way to get
|
// testing infrastructure is prepared to wait. The simplest way to get
|
// these tests to run quickly is to make them think they are running
|
// these tests to run quickly is to make them think they are running
|
// under a simulator.
|
// under a simulator.
|
// If the target actually is a simulator, skip the below - it's very
|
// If the target actually is a simulator, skip the below - it's very
|
// slow on the simulator, even with reduced loop counts.
|
// slow on the simulator, even with reduced loop counts.
|
if (cyg_test_is_simulator)
|
if (cyg_test_is_simulator)
|
CYG_TEST_PASS_FINISH("End of test");
|
CYG_TEST_PASS_FINISH("End of test");
|
|
|
#if defined(CYGPKG_HAL_MIPS_TX49)
|
#if defined(CYGPKG_HAL_MIPS_TX49)
|
// The TX49 has a large cache, and even with reduced loop count,
|
// The TX49 has a large cache, and even with reduced loop count,
|
// 90+ seconds elapses between each INFO output.
|
// 90+ seconds elapses between each INFO output.
|
CYG_TEST_PASS_FINISH("End of test");
|
CYG_TEST_PASS_FINISH("End of test");
|
#endif
|
#endif
|
|
|
cyg_test_is_simulator = 1;
|
cyg_test_is_simulator = 1;
|
#endif
|
#endif
|
|
|
#ifdef HAL_ICACHE_INVALIDATE_ALL
|
#ifdef HAL_ICACHE_INVALIDATE_ALL
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DCACHE_PURGE_ALL();
|
HAL_DCACHE_PURGE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_ICACHE_ENABLE();
|
HAL_ICACHE_ENABLE();
|
HAL_DCACHE_ENABLE();
|
HAL_DCACHE_ENABLE();
|
HAL_RESTORE_INTERRUPTS(oldints);
|
HAL_RESTORE_INTERRUPTS(oldints);
|
CYG_TEST_INFO("Dcache on Icache on: invalidate ICache each time");
|
CYG_TEST_INFO("Dcache on Icache on: invalidate ICache each time");
|
time1II();
|
time1II();
|
#endif
|
#endif
|
#ifdef HAL_DCACHE_INVALIDATE_ALL
|
#ifdef HAL_DCACHE_INVALIDATE_ALL
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DISABLE_INTERRUPTS(oldints);
|
HAL_DCACHE_PURGE_ALL();
|
HAL_DCACHE_PURGE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_ICACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_DCACHE_INVALIDATE_ALL();
|
HAL_ICACHE_ENABLE();
|
HAL_ICACHE_ENABLE();
|
HAL_DCACHE_ENABLE();
|
HAL_DCACHE_ENABLE();
|
HAL_RESTORE_INTERRUPTS(oldints);
|
HAL_RESTORE_INTERRUPTS(oldints);
|
CYG_TEST_INFO("Dcache on Icache on: invalidate DCache (expect bogus times)");
|
CYG_TEST_INFO("Dcache on Icache on: invalidate DCache (expect bogus times)");
|
time1DI();
|
time1DI();
|
#endif
|
#endif
|
#endif // either INVALIDATE_ALL macro
|
#endif // either INVALIDATE_ALL macro
|
|
|
#endif // HAL_CACHE_UNIFIED
|
#endif // HAL_CACHE_UNIFIED
|
|
|
CYG_TEST_PASS_FINISH("End of test");
|
CYG_TEST_PASS_FINISH("End of test");
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
void kcache2_main( void )
|
void kcache2_main( void )
|
{
|
{
|
CYG_TEST_INIT();
|
CYG_TEST_INIT();
|
|
|
cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kcache1",
|
cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kcache1",
|
(void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]);
|
(void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]);
|
cyg_thread_resume(thread[0]);
|
cyg_thread_resume(thread[0]);
|
|
|
cyg_scheduler_start();
|
cyg_scheduler_start();
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
externC void
|
externC void
|
cyg_start( void )
|
cyg_start( void )
|
{
|
{
|
kcache2_main();
|
kcache2_main();
|
}
|
}
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
|
|
#else // def CYGFUN_KERNEL_API_C
|
#else // def CYGFUN_KERNEL_API_C
|
#define N_A_MSG "Kernel C API layer disabled"
|
#define N_A_MSG "Kernel C API layer disabled"
|
#endif // def CYGFUN_KERNEL_API_C
|
#endif // def CYGFUN_KERNEL_API_C
|
#else // def CYGVAR_KERNEL_COUNTERS_CLOCK
|
#else // def CYGVAR_KERNEL_COUNTERS_CLOCK
|
#define N_A_MSG "Kernel real-time clock disabled"
|
#define N_A_MSG "Kernel real-time clock disabled"
|
#endif // def CYGVAR_KERNEL_COUNTERS_CLOCK
|
#endif // def CYGVAR_KERNEL_COUNTERS_CLOCK
|
#else // def HAL_DCACHE_SIZE
|
#else // def HAL_DCACHE_SIZE
|
#define N_A_MSG "No caches defined"
|
#define N_A_MSG "No caches defined"
|
#endif // def HAL_DCACHE_SIZE
|
#endif // def HAL_DCACHE_SIZE
|
|
|
#ifdef N_A_MSG
|
#ifdef N_A_MSG
|
externC void
|
externC void
|
cyg_start( void )
|
cyg_start( void )
|
{
|
{
|
CYG_TEST_INIT();
|
CYG_TEST_INIT();
|
CYG_TEST_NA( N_A_MSG );
|
CYG_TEST_NA( N_A_MSG );
|
}
|
}
|
#endif // N_A_MSG
|
#endif // N_A_MSG
|
|
|
// -------------------------------------------------------------------------
|
// -------------------------------------------------------------------------
|
/* EOF kcache1.c */
|
/* EOF kcache1.c */
|
|
|