ppu_main.c

在 IBM Cell 上實行 AES + SHA1 的加密.

#include <stdlib.h>
#include <pthread.h>
#include <libspe2.h>

typedef struct ppu_pthread_data{
	spe_context_ptr_t spe_ctx;
	pthread_t pthread;
	unsigned long long argp;
} ppu_pthread_data_t;

extern spe_program_handle_t spu_main; // outside SPU binary

void *ppu_pthread_function(void *arg) { 
	ppu_pthread_data_t *datap=(ppu_pthread_data_t *)arg;
	unsigned int entry = SPE_DEFAULT_ENTRY;
	if(spe_context_run(datap->spe_ctx, &entry, 0, (void *)datap->argp, NULL, NULL) < 0){
		perror ("Failed running context");
		exit (1);
	}
	pthread_exit(NULL);
}

int main(){
	ppu_pthread_data_t data;
	data.spe_ctx = spe_context_create (0, NULL);
	data.argp = (unsigned long long)NULL;
	spe_program_load (data.spe_ctx, &spu_main);
	pthread_create (&(data.pthread), NULL, ppu_pthread_function, &data);
	pthread_join(data.pthread, NULL);
	spe_context_destroy(data.spe_ctx);
	return 0;
}