umka/umka_os.c

123 lines
2.8 KiB
C
Raw Normal View History

#include <stdlib.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/select.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include "umka.h"
#include "shell.h"
#include "trace.h"
#define THREAD_STACK_SIZE 0x100000
static void
monitor(void) {
umka_sti();
fprintf(stderr, "Start monitor thread\n");
FILE *fin = fopen("/tmp/umka.fifo.2u", "r");
FILE *fout = fopen("/tmp/umka.fifo.4u", "w");
if (!fin || !fout) {
fprintf(stderr, "Can't open monitor files!\n");
return;
}
run_test(fin, fout, 0);
2020-05-09 06:34:28 +02:00
}
void umka_thread_ping(void);
void umka_thread_net_drv(void);
struct itimerval timeout = {.it_value = {.tv_sec = 0, .tv_usec = 10000},
.it_interval = {.tv_sec = 0, .tv_usec = 10000}};
static void
thread_start(int is_kernel, void (*entry)(void), size_t stack_size) {
uint8_t *stack = malloc(stack_size);
umka_new_sys_threads(is_kernel, entry, stack + stack_size);
}
/*
can't get pty working
may be because of my custom threads and blocking, don't know
void new_monitor(void) {
umka_sti();
fprintf(stderr, "Start monitor thread\n");
int mpty = posix_openpt(O_RDWR | O_NOCTTY);
if (mpty == -1) {
perror("open master pty");
return;
}
if (grantpt(mpty) == -1) {
perror("grantpt");
return;
}
if (unlockpt(mpty) == -1) {
perror("unlockpt");
return;
}
char *spty_name = ptsname(mpty);
if (spty_name == NULL) {
perror("open slave pty");
return;
}
fprintf(stderr, "[os] pty=%s\n", spty_name);
FILE *fmpty = fdopen(mpty, "r+");
if (fmpty == NULL) {
perror("fdopen mpty");
return;
}
run_test(fmpty, fmpty, 0);
}
*/
int
main() {
if (coverage)
trace_begin();
umka_tool = UMKA_OS;
umka_sti();
struct sigaction sa;
sa.sa_sigaction = irq0;
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_SIGINFO;
if (sigaction(SIGPROF, &sa, NULL) == -1) {
printf("Can't install signal handler!\n");
return 1;
}
/*
void *app_base = mmap((void*)0x000000, 16*0x100000, PROT_READ | PROT_WRITE |
PROT_EXEC, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS,
-1, 0);
if (app_base == MAP_FAILED) {
perror("mmap failed");
exit(1);
}
*/
printf("pid=%d, kos_lfb_base=%p\n", getpid(), (void*)kos_lfb_base);
2020-05-09 06:34:28 +02:00
umka_init();
umka_stack_init();
thread_start(0, monitor, THREAD_STACK_SIZE);
thread_start(0, umka_thread_net_drv, THREAD_STACK_SIZE);
// thread_start(0, umka_thread_ping, THREAD_STACK_SIZE);
setitimer(ITIMER_PROF, &timeout, NULL);
kos_osloop(); // doesn't return
if (coverage)
trace_end();
return 0;
}