int mouse_init(void(*isr)(void), _go32_dpmi_seginfo *prev_isr)
{
disable_irq(KBD_IRQ);
disable_irq(MOUSE_IRQ);
int sucesso = kbc_init(1);
_go32_dpmi_lock_code(mouse_isr, (end_mouse_isr - mouse_isr));
_go32_dpmi_lock_data((void*) &b3, sizeof(b3));
set_isr(MOUSE_IRQ, mouse_isr, prev_isr);
enable_irq(KBD_IRQ);
enable_irq(MOUSE_IRQ);
return sucesso;
}
void setup_isrs() {
set_isr(0, (unsigned)isr0, 0x08, 0x8E);
set_isr(1, (unsigned)isr1, 0x08, 0x8E);
set_isr(2, (unsigned)isr2, 0x08, 0x8E);
set_isr(3, (unsigned)isr3, 0x08, 0x8E);
set_isr(4, (unsigned)isr4, 0x08, 0x8E);
set_isr(5, (unsigned)isr5, 0x08, 0x8E);
set_isr(6, (unsigned)isr6, 0x08, 0x8E);
set_isr(7, (unsigned)isr7, 0x08, 0x8E);
set_isr(8, (unsigned)isr8, 0x08, 0x8E);
set_isr(9, (unsigned)isr9, 0x08, 0x8E);
set_isr(10, (unsigned)isr10, 0x08, 0x8E);
set_isr(11, (unsigned)isr11, 0x08, 0x8E);
set_isr(12, (unsigned)isr12, 0x08, 0x8E);
set_isr(13, (unsigned)isr13, 0x08, 0x8E);
set_isr(14, (unsigned)isr14, 0x08, 0x8E);
set_isr(15, (unsigned)isr15, 0x08, 0x8E);
set_isr(16, (unsigned)isr16, 0x08, 0x8E);
set_isr(17, (unsigned)isr17, 0x08, 0x8E);
set_isr(18, (unsigned)isr18, 0x08, 0x8E);
set_isr(19, (unsigned)isr19, 0x08, 0x8E);
set_isr(20, (unsigned)isr20, 0x08, 0x8E);
set_isr(21, (unsigned)isr21, 0x08, 0x8E);
set_isr(22, (unsigned)isr22, 0x08, 0x8E);
set_isr(23, (unsigned)isr23, 0x08, 0x8E);
set_isr(24, (unsigned)isr24, 0x08, 0x8E);
set_isr(25, (unsigned)isr25, 0x08, 0x8E);
set_isr(26, (unsigned)isr26, 0x08, 0x8E);
set_isr(27, (unsigned)isr27, 0x08, 0x8E);
set_isr(28, (unsigned)isr28, 0x08, 0x8E);
set_isr(29, (unsigned)isr29, 0x08, 0x8E);
set_isr(30, (unsigned)isr30, 0x08, 0x8E);
set_isr(31, (unsigned)isr31, 0x08, 0x8E);
remap_pic();
set_isr(32, (unsigned)irq0, 0x08, 0x8E);
set_isr(33, (unsigned)irq1, 0x08, 0x8E);
set_isr(34, (unsigned)irq2, 0x08, 0x8E);
set_isr(35, (unsigned)irq3, 0x08, 0x8E);
set_isr(36, (unsigned)irq4, 0x08, 0x8E);
set_isr(37, (unsigned)irq5, 0x08, 0x8E);
set_isr(38, (unsigned)irq6, 0x08, 0x8E);
set_isr(39, (unsigned)irq7, 0x08, 0x8E);
set_isr(40, (unsigned)irq8, 0x08, 0x8E);
set_isr(41, (unsigned)irq9, 0x08, 0x8E);
set_isr(42, (unsigned)irq10, 0x08, 0x8E);
set_isr(43, (unsigned)irq11, 0x08, 0x8E);
set_isr(44, (unsigned)irq12, 0x08, 0x8E);
set_isr(45, (unsigned)irq13, 0x08, 0x8E);
set_isr(46, (unsigned)irq14, 0x08, 0x8E);
set_isr(47, (unsigned)irq15, 0x08, 0x8E);
}
static void execute(char *first, char *rest)
{
/*
* This command (in first) was not found in the command table
*
*
* first - first word on command line
* rest - rest of command line
*
*/
char *fullname;
char *extension;
assert(first);
assert(rest);
/* check for a drive change */
if ((strcmp(first + 1, ":") == 0) && isalpha(*first))
{
changeDrive(*first);
return;
}
if(strchr(first,'?') || strchr(first,'*')) {
error_bad_command(first);
return;
}
/* search through %PATH% for the binary */
errno = 0;
fullname = find_which(first);
dprintf(("[find_which(%s) returned %s]\n", first, fullname));
if(!fullname) {
error_bad_command(first);
return;
}
/* check if this is a .BAT file */
extension = strrchr(dfnfilename(fullname), '.');
assert(extension);
if(stricmp(extension, ".bat") == 0) {
dprintf(("[BATCH: %s %s]\n", fullname, rest));
batch(fullname, first, rest);
} else if(stricmp(extension, ".exe") == 0
|| stricmp(extension, ".com") == 0) {
/* exec the program */
int result;
dprintf(("[EXEC: %s %s]\n", fullname, rest));
if(strlen(rest) > MAX_EXTERNAL_COMMAND_SIZE) {
char *fullcommandline = malloc( strlen( first ) + strlen( rest ) + 2 );
error_line_too_long();
if( fullcommandline == NULL ) return;
sprintf( fullcommandline, "%s%s", first, rest );
if( chgEnv( "CMDLINE", fullcommandline ) != 0 ) {
free( fullcommandline );
return;
}
free( fullcommandline );
}
/* Prepare to call an external program */
/* Unload the message block if not loaded persistently */
if(!persistentMSGs)
unloadMsgs();
/* Execute the external program */
#ifdef FEATURE_KERNEL_SWAP_SHELL
if(swapOnExec == TRUE
&& kswapMkStruc(fullname, rest)) {
/* The Criter and ^Break handlers has been installed within
the PSP in kswapRegister() --> nothing to do here */
dprintf(("[EXEC: exiting to kernel swap support]\n"));
exit(123); /* Let the kernel swap support do the rest */
}
#ifdef DEBUG
if(swapOnExec == TRUE)
dprintf(("KSWAP: failed to save context, proceed without swapping\n"));
#endif
#endif
/* Install the dummy (always abort) handler */
#ifdef FEATURE_XMS_SWAP
set_isr(0x23, (void interrupt(*)())
MK_FP(FP_SEG(lowlevel_cbreak_handler)-0x10,
FP_OFF(lowlevel_cbreak_handler)+0x100));
/*
* some tools expect this interrupt to have the same segment as the
* command.com PSP, but FreeCOM is an exe...
*/
#else
set_isr(0x23, (void interrupt(*)()) kswapContext->cbreak_hdlr);
#endif
#ifdef FEATURE_XMS_SWAP
{
isr v;
get_isr(0x2e, v);
if( *(unsigned char far *)v == 0xCF && !canexit) /* IRET? */
set_isr( 0x2E, ( void interrupt(*)() )
MK_FP(FP_SEG(lowlevel_int_2e_handler)-0x10,
FP_OFF(lowlevel_int_2e_handler)+0x100));
}
#endif
result = exec(fullname, rest, 0);
set_isrfct(0x23, cbreak_handler); /* Install local CBreak handler */
/* The external command might has killed the string area. */
env_nullStrings(0);
setErrorLevel(result);
} else
error_bad_command(first);
chgEnv( "CMDLINE", NULL );
}
void i8255_init() {
set_isr(0x21, i8255_isr);
i8255_write_command(KBD_CMD_SELECT_SCANCODE);
i8255_write_data(2);
}
