/*
* Copyright ( c ) 2015 , Google 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 to use , copy , modify , merge ,
* publish , distribute , sublicense , and / or sell copies of the Software ,
* and to permit persons to whom the Software is furnished to do so ,
* subject to the following conditions :
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND ,
* EXPRESS OR IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY , FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT .
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM , DAMAGES OR OTHER LIABILITY , WHETHER IN AN ACTION OF CONTRACT ,
* TORT OR OTHERWISE , ARISING FROM , OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE .
*/
#include <kernel/thread.h>
#include <lk/init.h>
#include <stdbool.h>
#include <stdio.h>
#define FPTEST_THREAD_COUNT (2 )
void fptest_arch_init(uint64_t base_value);
int fptest_arch_check_state(uint64_t base_value);
static int fptest(void * arg) {
int i = (uintptr_t)arg;
int corrupted_regs;
fptest_arch_init(i);
while (true ) {
thread_sleep((1 + i) * 10 * 1000 );
corrupted_regs = fptest_arch_check_state(i);
if (corrupted_regs) {
printf("%s(%d): bad register state detected, %d registers corrupted\n" ,
__func__, i, corrupted_regs);
} else {
printf("%s(%d): register state OK\n" , __func__, i);
}
}
return 0 ;
}
static void fptest_init(uint level) {
int i;
int cpu = 0 ; /* test only on cpu for now */
char thread_name[32 ];
thread_t* thread;
for (i = 0 ; i < FPTEST_THREAD_COUNT; i++) {
snprintf(thread_name, sizeof (thread_name), "fptest-%d-%d" , cpu, i);
thread = thread_create(thread_name, fptest, (void *)(uintptr_t)i,
DEFAULT_PRIORITY, DEFAULT_STACK_SIZE);
thread->pinned_cpu = cpu;
thread_resume(thread);
}
}
LK_INIT_HOOK(fptest, fptest_init, LK_INIT_LEVEL_APPS);
Messung V0.5 in Prozent C=99 H=88 G=93
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-27)
¤
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