diff options
Diffstat (limited to 'dosmain.c')
| -rw-r--r-- | dosmain.c | 66 |
1 files changed, 58 insertions, 8 deletions
@@ -33,6 +33,7 @@ static unsigned get_resident_size(void) return FP_OFF(&resident_end); } +#if USE_VIRTUALBOX static int set_integration(LPTSRDATA data, bool enable) { if (enable) { @@ -42,7 +43,7 @@ static int set_integration(LPTSRDATA data, bool enable) if ((err = vbox_init(&data->vb)) == 0) { printf("Found VirtualBox device at IO 0x%x\n", data->vb.iobase); - printf("Found physical address for VBox communication 0x%lx\n", data->vb.buf_physaddr); + printf("Physical address used for VBox communication: 0x%lx\n", data->vb.buf_physaddr); if ((err = vbox_report_guest_info(&data->vb, VBOXOSTYPE_DOS)) == 0) { printf("VirtualBox integration enabled\n"); @@ -70,28 +71,39 @@ static int set_integration(LPTSRDATA data, bool enable) static int set_host_cursor(LPTSRDATA data, bool enable) { -#if USE_VIRTUALBOX if (data->vbavail) { printf("Setting host cursor to %s\n", enable ? "enabled" : "disabled"); data->vbwantcursor = enable; } else { printf("VirtualBox integration is not available\n"); } -#endif - return EXIT_SUCCESS; + + return 0; } +#endif static int configure_driver(LPTSRDATA data) { int err; // First check for PS/2 mouse availability - if ((err = ps2m_init(PS2_MOUSE_PLAIN_PACKET_SIZE))) { + if ((err = ps2m_init(PS2M_PACKET_SIZE_PLAIN))) { fprintf(stderr, "Cannot init PS/2 mouse BIOS, err=%d\n", err); // Can't do anything without PS/2 return err; } + // Let's utilize the wheel by default + data->usewheel = true; + + if (data->usewheel) { + // Do a quick check for a mouse wheel here. + // The TSR will do its own check when it is reset anyway + if (data->haswheel = ps2m_detect_wheel()) { + printf("Wheel mouse found and enabled\n"); + } + } + #if USE_VIRTUALBOX // Assume initially that we want integration and host cursor set_integration(data, true); @@ -118,9 +130,15 @@ static int install_driver(LPTSRDATA data) deallocate_environment(_psp); data->prev_int33_handler = _dos_getvect(0x33); - _dos_setvect(0x33, int33_isr); +#if USE_INT2F + data->prev_int2f_handler = _dos_getvect(0x2f); + _dos_setvect(0x2f, int2f_isr); +#endif + + printf("Driver installed\n"); + _dos_keep(EXIT_SUCCESS, (256 + resident_size + 15) / 16); return 0; } @@ -131,10 +149,22 @@ static bool check_if_driver_uninstallable(LPTSRDATA data) void (__interrupt __far *our_int33_handler)() = MK_FP(FP_SEG(data), FP_OFF(int33_isr)); if (cur_int33_handler != our_int33_handler) { - fprintf(stderr, "INT33 has been hooked by some other driver, removing anyway\n"); + fprintf(stderr, "INT33 has been hooked by some other driver, removing anyway (will likely crash soon)\n"); return true; } +#if USE_INT2F + { + void (__interrupt __far *cur_int2f_handler)() = _dos_getvect(0x33); + void (__interrupt __far *our_int2f_handler)() = MK_FP(FP_SEG(data), FP_OFF(int2f_isr)); + + if (cur_int2f_handler != our_int2f_handler) { + fprintf(stderr, "INT2F has been hooked by some other driver, removing anyway (will likely crash soon)\n"); + return true; + } + } +#endif + return true; } @@ -156,6 +186,10 @@ static int uninstall_driver(LPTSRDATA data) { _dos_setvect(0x33, data->prev_int33_handler); +#if USE_INT2F + _dos_setvect(0x2f, data->prev_int2f_handler); +#endif + // Find and deallocate the PSP (including the entire program), // it is always 256 bytes (16 paragraphs) before the TSR segment _dos_freemem(FP_SEG(data) - 16); @@ -169,12 +203,22 @@ static unsigned int33_call(unsigned ax); #pragma aux int33_call parm [ax] value [ax] = \ "int 0x33"; +static unsigned int2f_call(unsigned ax); +#pragma aux int2f_call parm [ax] value [ax] = \ + "int 0x2f"; + static int driver_reset(void) { printf("Reset mouse driver\n"); return int33_call(0x0) == 0xFFFF; } +static int driver_test(void) +{ + int2f_call(0x1234); + return EXIT_FAILURE; +} + static int driver_not_found(void) { fprintf(stderr, "Driver data not found (driver not installed?)\n"); @@ -189,8 +233,10 @@ static void print_help(void) "Supported actions:\n" "\tinstall install the driver (default)\n" "\tuninstall uninstall the driver from memory\n" +#if USE_VIRTUALBOX "\tinteg <ON|OFF> enable/disable virtualbox integration\n" "\thostcur <ON|OFF> enable/disable mouse cursor rendering in host\n" +#endif "\treset reset mouse driver settings\n" ); } @@ -222,7 +268,7 @@ int main(int argc, const char *argv[]) LPTSRDATA data = get_tsr_data(true); int err, argi = 1; - printf("VBMouse %d.%d\n", DRIVER_VERSION_MAJOR, DRIVER_VERSION_MINOR); + printf("\nVBMouse 0.x (MSMOUSE %x.%x)\n", REPORTED_VERSION_MAJOR, REPORTED_VERSION_MINOR); if (argi >= argc || stricmp(argv[argi], "install") == 0) { if (data) { @@ -244,6 +290,7 @@ int main(int argc, const char *argv[]) return EXIT_FAILURE; } return uninstall_driver(data); +#if USE_VIRTUALBOX } else if (stricmp(argv[argi], "integ") == 0) { bool enable = true; @@ -266,8 +313,11 @@ int main(int argc, const char *argv[]) } return set_host_cursor(data, enable); +#endif } else if (stricmp(argv[argi], "reset") == 0) { return driver_reset(); + } else if (stricmp(argv[argi], "test") == 0) { + return driver_test(); } print_help(); |