[SerialICE] r45 - trunk/qemu-0.11.0

Author: oxygene
Date: 2009-11-18 21:30:57 +0100 (Wed, 18 Nov 2009)
New Revision: 45

Modified:
   trunk/qemu-0.11.0/serialice.c
Log:
First part of win32 support.
Compiles, it's properly #ifdef-guarded, and
it might just work. However, it's untested.

Modified: trunk/qemu-0.11.0/serialice.c
===================================================================
--- trunk/qemu-0.11.0/serialice.c	2009-11-18 18:57:14 UTC (rev 44)
+++ trunk/qemu-0.11.0/serialice.c	2009-11-18 20:30:57 UTC (rev 45)
@@ -28,9 +28,14 @@
 #include <stdint.h>
 #include <unistd.h>
 #include <string.h>
+#ifdef WIN32
+#include <windows.h>
+#include <conio.h>
+#else
 #include <fcntl.h>
 #include <termios.h>
 #include <sys/ioctl.h>
+#endif

/* LUA includes */
 #include <lua.h>
@@ -46,7 +51,11 @@
 #define SERIALICE_DEBUG 3
 #define BUFFER_SIZE 1024
 typedef struct {
+#ifdef WIN32
+	HANDLE fd;
+#else
    int fd;
+#endif
    char *buffer;
 } SerialICEState;

@@ -55,7 +64,9 @@
 int serialice_active = 0;
 const char *serialice_lua_script="serialice.lua";

+#ifndef WIN32
 static struct termios options;
+#endif

static lua_State *L;

@@ -359,6 +370,11 @@
    int bytes_read = 0;

while (1) {
+#ifdef WIN32
+		int ret;
+		if (!ReadFile(state->fd, buf, nbyte - bytes_read, &ret, NULL))
+			break;
+#else
    	int ret = read(state->fd, buf, nbyte - bytes_read);

if (ret == -1 && errno == EINTR)
@@ -366,6 +382,7 @@

if (ret == -1)
    		break;
+#endif

bytes_read += ret;
    	buf += ret;
@@ -384,8 +401,15 @@
    int i;

for (i = 0; i < (int)nbyte; i++) {
+#ifdef WIN32
+		int ret = 0;
+		while (ret == 0) WriteFile(state->fd, buffer + i, 1, &ret, NULL);
+		ret = 0;
+		while (ret == 0) ReadFile(state->fd, buffer + i, 1, &ret, NULL);
+#else
    	while (write(state->fd, buffer + i, 1) != 1) ;
    	while (read(state->fd, &c, 1) != 1) ;
+#endif
    	if (c != buffer[i]) {
    		printf("Readback error! %x/%x\n", c, buffer[i]);
    	}
@@ -805,7 +829,49 @@
    }

s =  qemu_mallocz(sizeof(SerialICEState));
+#ifdef WIN32
+	s->fd = CreateFile(serialice_device, GENERIC_READ | GENERIC_WRITE,
+		0, NULL, OPEN_EXISTING, 0, NULL);

+	if (s->fd == INVALID_HANDLE_VALUE) {
+		perror("SerialICE: Could not connect to target TTY");
+		exit(1);
+	}
+
+	DCB dcb;
+	if (!GetCommState(s->fd, &dcb)) {
+		perror("SerialICE: Could not load config for target TTY");
+		exit(1);
+	}
+
+	dcb.BaudRate = 115200;
+	dcb.ByteSize = 8;
+	dcb.Parity = NOPARITY;
+	dcb.StopBits = ONESTOPBIT;
+	dcb.fDtrControl = DTR_CONTROL_DISABLE;
+	dcb.fInX = FALSE;
+
+	if (!SetCommState(s->fd, &dcb)) {
+		perror("SerialICE: Could not store config for target TTY");
+		exit(1);
+	}
+
+	COMMTIMEOUTS to;
+	if (!GetCommTimeouts(s->fd, &to)) {
+		perror("SerialICE: Could not load timeouts for target TTY");
+		exit(1);
+	}
+
+	to.ReadIntervalTimeout = 1000;
+	to.ReadTotalTimeoutMultiplier = 0;
+	to.ReadTotalTimeoutConstant = 0;
+
+	if (!SetCommTimeouts(s->fd, &to)) {
+		perror("SerialICE: Could not store timeouts for target TTY");
+		exit(1);
+	}
+	
+#else
    s->fd = open(serialice_device, O_RDWR | O_NOCTTY | O_NONBLOCK);

if (s->fd == -1) {
@@ -842,6 +908,7 @@
    tcsetattr(s->fd, TCSANOW, &options);

tcflush(s->fd, TCIOFLUSH);
+#endif

s->buffer = qemu_mallocz(BUFFER_SIZE);