From 67b915a5dd52a05f8030cd9edc005effd9c8eea5 Mon Sep 17 00:00:00 2001 From: bellard Date: Wed, 31 Mar 2004 23:37:16 +0000 Subject: win32 port (initial patch by kazu) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@692 c046a42c-6fe2-441c-8c8c-71466251a162 --- vl.c | 185 ++++++++++++++++++++++++++++++++++++++++++++++++++++--------------- 1 file changed, 144 insertions(+), 41 deletions(-) (limited to 'vl.c') diff --git a/vl.c b/vl.c index 92ddb87..ed5c380 100644 --- a/vl.c +++ b/vl.c @@ -21,35 +21,40 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ -#include -#include -#include -#include -#include +#include "vl.h" + #include -#include #include -#include #include #include #include -#include #include -#include -#include #include +#include + +#ifndef _WIN32 +#include #include #include -#include - +#include +#include +#include #include #include #include #include +#endif + +#ifdef _WIN32 +#include +#include +#define getopt_long_only getopt_long +#define memalign(align, size) malloc(size) +#endif + #include "disas.h" -#include "vl.h" #include "exec-all.h" #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" @@ -375,11 +380,17 @@ void cpu_disable_ticks(void) } } -int64_t get_clock(void) +static int64_t get_clock(void) { +#ifdef _WIN32 + struct _timeb tb; + _ftime(&tb); + return ((int64_t)tb.time * 1000 + (int64_t)tb.millitm) * 1000; +#else struct timeval tv; gettimeofday(&tv, NULL); return tv.tv_sec * 1000000LL + tv.tv_usec; +#endif } void cpu_calibrate_ticks(void) @@ -388,7 +399,11 @@ void cpu_calibrate_ticks(void) usec = get_clock(); ticks = cpu_get_real_ticks(); +#ifdef _WIN32 + Sleep(50); +#else usleep(50 * 1000); +#endif usec = get_clock() - usec; ticks = cpu_get_real_ticks() - ticks; ticks_per_sec = (ticks * 1000000LL + (usec >> 1)) / usec; @@ -438,8 +453,10 @@ QEMUClock *rt_clock; QEMUClock *vm_clock; static QEMUTimer *active_timers[2]; +#ifndef _WIN32 /* frequency of the times() clock tick */ static int timer_freq; +#endif QEMUClock *qemu_new_clock(int type) { @@ -550,12 +567,16 @@ int64_t qemu_get_clock(QEMUClock *clock) { switch(clock->type) { case QEMU_TIMER_REALTIME: +#ifdef _WIN32 + return GetTickCount(); +#else /* XXX: portability among Linux hosts */ if (timer_freq == 100) { return times(NULL) * 10; } else { return ((int64_t)times(NULL) * 1000) / timer_freq; } +#endif default: case QEMU_TIMER_VIRTUAL: return cpu_get_ticks(); @@ -608,7 +629,12 @@ static int timer_load(QEMUFile *f, void *opaque, int version_id) return 0; } +#ifdef _WIN32 +void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, + DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) +#else static void host_alarm_handler(int host_signum) +#endif { if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], qemu_get_clock(vm_clock)) || @@ -621,39 +647,66 @@ static void host_alarm_handler(int host_signum) static void init_timers(void) { - struct sigaction act; - struct itimerval itv; - - /* get times() syscall frequency */ - timer_freq = sysconf(_SC_CLK_TCK); - rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); - /* timer signal */ - sigfillset(&act.sa_mask); - act.sa_flags = 0; +#ifdef _WIN32 + { + int count=0; + MMRESULT timerID = timeSetEvent(10, // interval (ms) + 0, // resolution + host_alarm_handler, // function + (DWORD)&count, // user parameter + TIME_PERIODIC | TIME_CALLBACK_FUNCTION); + if( !timerID ) { + perror("failed timer alarm"); + exit(1); + } + } + pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000; +#else + { + struct sigaction act; + struct itimerval itv; + + /* get times() syscall frequency */ + timer_freq = sysconf(_SC_CLK_TCK); + + /* timer signal */ + sigfillset(&act.sa_mask); + act.sa_flags = 0; #if defined (TARGET_I386) && defined(USE_CODE_COPY) - act.sa_flags |= SA_ONSTACK; + act.sa_flags |= SA_ONSTACK; +#endif + act.sa_handler = host_alarm_handler; + sigaction(SIGALRM, &act, NULL); + + itv.it_interval.tv_sec = 0; + itv.it_interval.tv_usec = 1000; + itv.it_value.tv_sec = 0; + itv.it_value.tv_usec = 10 * 1000; + setitimer(ITIMER_REAL, &itv, NULL); + /* we probe the tick duration of the kernel to inform the user if + the emulated kernel requested a too high timer frequency */ + getitimer(ITIMER_REAL, &itv); + pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * PIT_FREQ) / + 1000000; + } #endif - act.sa_handler = host_alarm_handler; - sigaction(SIGALRM, &act, NULL); - - itv.it_interval.tv_sec = 0; - itv.it_interval.tv_usec = 1000; - itv.it_value.tv_sec = 0; - itv.it_value.tv_usec = 10 * 1000; - setitimer(ITIMER_REAL, &itv, NULL); - /* we probe the tick duration of the kernel to inform the user if - the emulated kernel requested a too high timer frequency */ - getitimer(ITIMER_REAL, &itv); - pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec * PIT_FREQ) / - 1000000; } /***********************************************************/ /* serial device */ +#ifdef _WIN32 + +int serial_open_device(void) +{ + return -1; +} + +#else + int serial_open_device(void) { char slave_name[1024]; @@ -672,9 +725,24 @@ int serial_open_device(void) } } +#endif + /***********************************************************/ /* Linux network device redirector */ +#ifdef _WIN32 + +static int net_init(void) +{ + return 0; +} + +void net_send_packet(NetDriverState *nd, const uint8_t *buf, int size) +{ +} + +#else + static int tun_open(char *ifname, int ifname_size) { struct ifreq ifr; @@ -753,9 +821,23 @@ void net_send_packet(NetDriverState *nd, const uint8_t *buf, int size) write(nd->fd, buf, size); } +#endif + /***********************************************************/ /* dumb display */ +#ifdef _WIN32 + +static void term_exit(void) +{ +} + +static void term_init(void) +{ +} + +#else + /* init terminal so that we can grab keys */ static struct termios oldtty; @@ -790,6 +872,8 @@ static void term_init(void) fcntl(0, F_SETFL, O_NONBLOCK); } +#endif + static void dumb_update(DisplayState *ds, int x, int y, int w, int h) { } @@ -1396,10 +1480,13 @@ void vm_stop(int reason) int main_loop(void) { +#ifndef _WIN32 struct pollfd ufds[MAX_IO_HANDLERS + 1], *pf; - int ret, n, timeout, max_size; - uint8_t buf[4096]; IOHandlerRecord *ioh, *ioh_next; + uint8_t buf[4096]; + int n, max_size; +#endif + int ret, timeout; CPUState *env = global_env; for(;;) { @@ -1422,6 +1509,7 @@ int main_loop(void) timeout = 10; } +#ifndef _WIN32 /* poll any events */ /* XXX: separate device handlers from system ones */ pf = ufds; @@ -1471,6 +1559,7 @@ int main_loop(void) } } } +#endif if (vm_running) { qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], @@ -1592,7 +1681,10 @@ static uint8_t *signal_stack; int main(int argc, char **argv) { - int c, i, use_gdbstub, gdbstub_port, long_index, has_cdrom; +#ifdef CONFIG_GDBSTUB + int use_gdbstub, gdbstub_port; +#endif + int c, i, long_index, has_cdrom; int snapshot, linux_boot; CPUState *env; const char *initrd_filename; @@ -1601,8 +1693,10 @@ int main(int argc, char **argv) DisplayState *ds = &display_state; int cyls, heads, secs; +#if !defined(CONFIG_SOFTMMU) /* we never want that malloc() uses mmap() */ mallopt(M_MMAP_THRESHOLD, 4096 * 1024); +#endif initrd_filename = NULL; for(i = 0; i < MAX_FD; i++) fd_filename[i] = NULL; @@ -1611,8 +1705,10 @@ int main(int argc, char **argv) ram_size = 32 * 1024 * 1024; vga_ram_size = VGA_RAM_SIZE; pstrcpy(network_script, sizeof(network_script), DEFAULT_NETWORK_SCRIPT); +#ifdef CONFIG_GDBSTUB use_gdbstub = 0; gdbstub_port = DEFAULT_GDBSTUB_PORT; +#endif snapshot = 0; nographic = 0; kernel_filename = NULL; @@ -1773,12 +1869,14 @@ int main(int argc, char **argv) case 'n': pstrcpy(network_script, sizeof(network_script), optarg); break; +#ifdef CONFIG_GDBSTUB case 's': use_gdbstub = 1; break; case 'p': gdbstub_port = atoi(optarg); break; +#endif case 'L': bios_dir = optarg; break; @@ -1976,6 +2074,7 @@ int main(int argc, char **argv) } #endif +#ifndef _WIN32 { struct sigaction act; sigfillset(&act.sa_mask); @@ -1983,10 +2082,12 @@ int main(int argc, char **argv) act.sa_handler = SIG_IGN; sigaction(SIGPIPE, &act, NULL); } +#endif gui_timer = qemu_new_timer(rt_clock, gui_update, NULL); qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock)); +#ifdef CONFIG_GDBSTUB if (use_gdbstub) { if (gdbserver_start(gdbstub_port) < 0) { fprintf(stderr, "Could not open gdbserver socket on port %d\n", @@ -1995,7 +2096,9 @@ int main(int argc, char **argv) } else { printf("Waiting gdb connection on port %d\n", gdbstub_port); } - } else { + } else +#endif + { vm_start(); } term_init(); -- cgit v1.1