void init_alarm_boot_properties()
{
char *alarm_file = "/proc/sys/kernel/boot_reason";
char buf[BUF_SIZE];
if(read_file2(alarm_file, buf, sizeof(buf))) {
/*
* Setup ro.alarm_boot value to true when it is RTC triggered boot up
* For existing PMIC chips, the following mapping applies
* for the value of boot_reason:
*
* 0 -> unknown
* 1 -> hard reset
* 2 -> sudden momentary power loss (SMPL)
* 3 -> real time clock (RTC)
* 4 -> DC charger inserted
* 5 -> USB charger insertd
* 6 -> PON1 pin toggled (for secondary PMICs)
* 7 -> CBLPWR_N pin toggled (for external power supply)
* 8 -> KPDPWR_N pin toggled (power key pressed)
*/
if(buf[0] == '3')
property_set("ro.alarm_boot", "true");
else
property_set("ro.alarm_boot", "false");
}
}
void init_msm_properties(unsigned long msm_id, unsigned long msm_ver, char *board_type)
{
char platform[PROP_VALUE_MAX];
int rc;
unsigned long raw_id = -1;
UNUSED(msm_id);
UNUSED(msm_ver);
UNUSED(board_type);
/* set product device & name */
property_set("ro.product.device", "cancro");
property_set("ro.product.name", "cancro");
/* set build fingerprint */
property_set("ro.build.description", "cancro-userdebug 5.1.1 LVY48F 5.9.17 test-keys");
property_set("ro.build.fingerprint", "Xiaomi/cancro/cancro:5.1.1/LVY48F/5.9.17:userdebug/test-keys");
/* get raw ID */
rc = read_file2(RAW_ID_PATH, tmp, sizeof(tmp));
if (rc) {
raw_id = strtoul(tmp, NULL, 0);
}
/* MI 3W */
if (raw_id==1978) {
property_set("ro.product.model", "MI 3W");
} else
/* MI 4W */
if (raw_id==1974) {
property_set("ro.product.model", "MI 4W");
property_set("ro.telephony.default_network", "10");
property_set("ro.ril.def.preferred.network", "10");
property_set("telephony.lteOnGSMDevice", "1");
} else
/* MI 4LTE-CU */
if (raw_id==1972) {
property_set("ro.product.model", "MI 4LTE");
property_set("ro.product.name", "cancro_wc_lte");
property_set("ro.telephony.default_network", "10");
property_set("ro.ril.def.preferred.network", "10");
property_set("telephony.lteOnGSMDevice", "1");
}
/* ??? */
else {
property_set("ro.product.model", "MI 3/4"); // this should never happen.
}
}
void init_msm_properties(unsigned long msm_id, unsigned long msm_ver, char *board_type)
{
char platform[PROP_VALUE_MAX];
int rc;
unsigned long raw_id = -1;
UNUSED(msm_id);
UNUSED(msm_ver);
UNUSED(board_type);
property_set("ro.product.device", "cancro");
property_set("ro.product.name", "cancro");
/* get raw ID */
rc = read_file2(RAW_ID_PATH, tmp, sizeof(tmp));
if (rc) {
raw_id = strtoul(tmp, NULL, 0);
}
/* MI 3W */
if (raw_id==1978) {
property_set("ro.product.model", "MI 3W");
} else
/* MI 4W */
if (raw_id==1974) {
property_set("ro.product.model", "MI 4W");
} else
/* MI 4LTE-CU */
if (raw_id==1972) {
property_set("ro.product.model", "MI 4LTE");
property_set("ro.product.name", "cancro_wc_lte");
}
/* ??? */
else {
property_set("ro.product.model", "MI 3/4"); // this should never happen.
}
}
void vendor_load_properties()
{
int rc;
/* Collect MSM info */
rc = read_file2(SOC_ID_PATH1, tmp, sizeof(tmp));
if (!rc) {
rc = read_file2(SOC_ID_PATH2, tmp, sizeof(tmp));
}
if (rc) {
msm_id = strtoul(tmp, NULL, 0);
}
rc = read_file2(SOC_VER_PATH1, tmp, sizeof(tmp));
if (!rc) {
rc = read_file2(SOC_VER_PATH2, tmp, sizeof(tmp));
}
if (rc) {
msm_ver = strtoul(tmp, NULL, 0);
}
rc = read_file2(BOARD_TYPE_PATH1, tmp, sizeof(tmp));
if (!rc) {
rc = read_file2(BOARD_TYPE_PATH2, tmp, sizeof(tmp));
}
if (rc) {
sscanf(tmp, STRCONV(BUF_SIZE), board_type);
}
if (!msm_id) {
/* abort */
ERROR("MSM SOC detection failed, skipping MSM initialization\n");
return;
}
ERROR("Detected MSM SOC ID=%lu SOC VER=%lu BOARD TYPE=%s\n",
msm_id, msm_ver, board_type);
/* Define MSM family properties */
init_msm_properties(msm_id, msm_ver, board_type);
init_alarm_boot_properties();
/*check for coredump*/
check_rlim_action();
/* Set Display Node Permissions */
set_display_node_perms();
}
/**
* 返回文件大小
*/
int read_file(const char *file, char **buffer) {
return read_file2((char*) file, buffer);
}
int main(int args_num,char *args[])
{
//modify output file name
char output[1000];
if(args_num==4){
int i=0;
for(i=0;i<strlen(args[3]);i++){
if(args[3][i]=='.'){
output[i]='\0';
break;
}
output[i]=args[3][i];
}
}
// open files
char *file_dir = malloc(sizeof(char) * 1000);
FILE* file1;
FILE* file2;
FILE* file3;
FILE* file4;
//open file 1
if(args_num>=2){
getcwd(file_dir,1000);
strcat(file_dir,"/");
strcat(file_dir,args[1]);
file1=fopen(file_dir,"r");
if(!file1){
getcwd(file_dir,1000);
strcat(file_dir,"/a.txt");
file1=fopen(file_dir,"r");
}
}
else{
getcwd(file_dir,1000);
strcat(file_dir,"/a.txt");
file1=fopen(file_dir,"r");
}
//open file 2
if(args_num>=3){
getcwd(file_dir,1000);
strcat(file_dir,"/");
strcat(file_dir,args[2]);
file2=fopen(file_dir,"r");
if(!file2){
getcwd(file_dir,1000);
strcat(file_dir,"/b.txt");
file2=fopen(file_dir,"r");
}
}
else{
getcwd(file_dir,1000);
strcat(file_dir,"/b.txt");
file2=fopen(file_dir,"r");
}
//open file 3 and 4
if(args_num==4){
getcwd(file_dir,1000);
strcat(file_dir,"/");
strcat(file_dir,output);
strcat(file_dir,"_1");
file3=fopen(file_dir,"w");
getcwd(file_dir,1000);
strcat(file_dir,"/");
strcat(file_dir,output);
strcat(file_dir,"_2");
file4 = fopen(file_dir,"w");
if(!file3 || !file4){
getcwd(file_dir,1000);
strcat(file_dir,"/c_1.out");
file3=fopen(file_dir,"w");
getcwd(file_dir,1000);
strcat(file_dir,"/c_2.out");
file4=fopen(file_dir,"w");
}
}
else{
getcwd(file_dir,1000);
strcat(file_dir,"/c_1.out");
file3=fopen(file_dir,"w");
getcwd(file_dir,1000);
strcat(file_dir,"/c_2.out");
file4=fopen(file_dir,"w");
}
if(!file1 || !file2){
printf("Error in input files.\n");
exit(0);
}
//read file 1
read_file1(file1);
//read file 2
read_file2(file2);
// check for multiplication condition
if(m1!=n2){
printf("m1 does not equal n2, can not do multiplication.\n");
exit(0);
}
//allocate matrix3 and matrix4
matrix_allocate(&matrix3,n1,m2);
//method 1
int i,j;
pthread_t threads[n1][m2];
clock_t start=clock();
int flag1=1,flag2=1;
for(i=0;i<n1;i++){
int return_code= pthread_create(&threads[i][0],NULL,method1,(void *)i);
if(return_code){
//error occured creating thread
flag1=0;
break;
}
}
//join threads to continue with method2
int k;
for(k=0;k<i;k++){
pthread_join(threads[k][0],NULL);
}
//output1
if(flag1){
clock_t mthd1=clock();
printf("Method 1\n");
printf("Number of threads = %d\n",n1);
printf("Execution time = %lf milliseconds\n",(double) (mthd1-start)/CLOCKS_PER_SEC*1000.0);
write_file(file3);
}
else
printf("Error occured in method 1.\n");
//initialize matrix3
for(i=0;i<n1;i++){
for(j=0;j<m2;j++)
matrix3[i][j]=0;
}
//method 2
clock_t start2 = clock();
for(i=0;i<n1;i++){
for(j=0;j<m2;j++){
int return_code= pthread_create(&threads[i][j],NULL,method2,(void *)(i*m2+j));
if(return_code){
flag2=0;
break;
}
}
}
int w;
for(w=0;w<i;w++){
for(k=0;k<j;k++){
pthread_join(threads[w][k],NULL);
}
}
//output 2
if(flag2){
clock_t mthd2=clock();
printf("Method 2\n");
printf("Number of threads = %d\n",n1*m2);
printf("Execution time = %lf milliseconds\n",(double)(mthd2-start2)/CLOCKS_PER_SEC*1000.0);
write_file(file4);
}
else
printf("Error occured in method 2.\n");
//close files
fclose(file1);
fclose(file2);
fclose(file3);
fclose(file4);
return 0;
}
/*
* Setup Display related nodes & permissions. For HDMI, it can be fb1 or fb2
* Loop through the sysfs nodes and determine the HDMI(dtv panel)
*/
void set_display_node_perms()
{
char panel_type[] = "dtv panel";
char buf[BUF_SIZE];
int num;
for (num=0; num<=2; num++) {
snprintf(tmp,sizeof(tmp),"%sfb%d/msm_fb_type", sys_fb_path, num);
if(read_file2(tmp, buf, sizeof(buf))) {
if(!strncmp(buf, panel_type, strlen(panel_type))) {
// Set appropriate permissions for the nodes
snprintf(tmp, sizeof(tmp), "%sfb%d/hpd", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
snprintf(tmp, sizeof(tmp), "%sfb%d/res_info", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
snprintf(tmp, sizeof(tmp), "%sfb%d/vendor_name", sys_fb_path,
num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
snprintf(tmp, sizeof(tmp), "%sfb%d/product_description",
sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
snprintf(tmp, sizeof(tmp), "%sfb%d/video_mode",
sys_fb_path, num);
setPerms(tmp, 0664);
snprintf(tmp, sizeof(tmp), "%sfb%d/format_3d", sys_fb_path,
num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/s3d_mode", sys_fb_path,
num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/hdcp/tp", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/cec/enable", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/cec/logical_addr", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/cec/rd_msg", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/pa", sys_fb_path, num);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d/cec/wr_msg", sys_fb_path, num);
setPerms(tmp, 0600);
setOwners(tmp, AID_SYSTEM, AID_SYSTEM);
snprintf(tmp, sizeof(tmp), "%sfb%d", dev_fb_path, num);
symlink(tmp, DEV_GFX_HDMI);
break;
}
}
}
// Set the permission for idle_time.
snprintf(tmp, sizeof(tmp), "%sfb0/idle_time", sys_fb_path);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
// Set write permission for dynamic_fps node.
snprintf(tmp, sizeof(tmp), "%sfb0/dynamic_fps", sys_fb_path);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
// Set permissions for dynamic partial update
snprintf(tmp, sizeof(tmp), "%sfb0/dyn_pu", sys_fb_path);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
snprintf(tmp, sizeof(tmp), "%sfb0/modes", sys_fb_path);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
snprintf(tmp, sizeof(tmp), "%sfb0/mode", sys_fb_path);
setPerms(tmp, 0664);
setOwners(tmp, AID_SYSTEM, AID_GRAPHICS);
}
