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PID 的代码
read me first.txt
This .zip contains GAv.5gold (that is the toolbox you need
to run PIDTuningUsingGA) and PIDTuningUsingGA.
For use : (after set the path in MATLAB)
1)Copy the content of PIDTuningUsingGA to GAv.
mm_main.c~
#include
#include
#include
#include
#include
#include
#include//setpriority
#include//setpriority
#in
mm_main.c
#include
#include
#include
#include
#include
#include
#include//setpriority
#include//setpriority
#in
fm_main.c
#include
#include
#include
#include
#include
#include
#include
#include//setpriority
#include
原理.txt
一个基于MMU的操作系统的实现(代码很少，几乎行行有注释，如果想了解ARM体系结构，我想，看这些代码是有帮助的。):
具有MMU功能的ARM CPU，使用虚拟地址寻址公式为：
if VA < 32m then
MVA = VA
else
MVA = <mark>PID</mark>*32M + VA
ARM9的4G虚拟地址可分成128个进程空间，每个32M。虽然它们的地址都是0-(32M-1)，但是对应的MV ...
fig8.20
#include "apue.h"
#include
int
main(void)
{
pid_t pid;
if ((pid = fork()) < 0) {
err_sys("fork error");
} else if (pid == 0) { /* child */
if (execl("/home/sar/bin/testinterp",
fig8.6
#include "apue.h"
#include
int
main(void)
{
pid_t pid;
int status;
if ((pid = fork()) < 0)
err_sys("fork error");
else if (pid == 0) /* child */
exit(7);
if (wait(&status)
fig8.16
#include "apue.h"
#include
char *env_init[] = { "USER=unknown", "PATH=/tmp", NULL };
int
main(void)
{
pid_t pid;
if ((pid = fork()) < 0) {
err_sys("fork error");
} else if (pid ==
exec1.c
#include "apue.h"
#include
char *env_init[] = { "USER=unknown", "PATH=/tmp", NULL };
int
main(void)
{
pid_t pid;
if ((pid = fork()) < 0) {
err_sys("fork error");
} else if (pid ==
exec2.c
#include "apue.h"
#include
int
main(void)
{
pid_t pid;
if ((pid = fork()) < 0) {
err_sys("fork error");
} else if (pid == 0) { /* child */
if (execl("/home/sar/bin/testinterp",