Source to src/change.c
/*
Hatari - change.c
This file is distributed under the GNU Public License, version 2 or at
your option any later version. Read the file gpl.txt for details.
This code handles run-time configuration changes. We keep all our
configuration details in a structure called 'ConfigureParams'. Before
doing he changes, a backup copy is done of this structure. When
the changes are done, these are compared to see whether emulator
needs to be rebooted
*/
const char Change_fileid[] = "Hatari change.c : " __DATE__ " " __TIME__;
#include <ctype.h>
#include "main.h"
#include "configuration.h"
#include "change.h"
#include "dialog.h"
#include "ioMem.h"
#include "m68000.h"
#include "reset.h"
#include "screen.h"
#include "statusbar.h"
#include "video.h"
#include "hatari-glue.h"
#include "scsi.h"
#include "mo.h"
#include "floppy.h"
#include "ethernet.h"
#include "snd.h"
#define DEBUG 1
#if DEBUG
#define Dprintf(a) printf(a)
#else
#define Dprintf(a)
#endif
/*-----------------------------------------------------------------------*/
/**
* Check if user needs to be warned that changes will take place after reset.
* Return true if wants to reset.
*/
bool Change_DoNeedReset(CNF_PARAMS *current, CNF_PARAMS *changed)
{
int i, j;
/* Did we change ROM file? */
if (current->System.nMachineType == NEXT_CUBE030 && strcmp(current->Rom.szRom030FileName, changed->Rom.szRom030FileName)) {
printf("rom030 reset\n");
return true;
}
if (current->System.nMachineType == NEXT_CUBE040 || current->System.nMachineType == NEXT_STATION) {
if (!current->System.bTurbo && strcmp(current->Rom.szRom040FileName, changed->Rom.szRom040FileName)) {
printf("rom040 reset\n");
return true;
}
if (current->System.bTurbo && strcmp(current->Rom.szRomTurboFileName, changed->Rom.szRomTurboFileName)) {
printf("romturbo reset\n");
return true;
}
}
/* Did we change machine type? */
if (current->System.nMachineType != changed->System.nMachineType) {
printf("machine type reset\n");
return true;
}
if (current->System.bColor != changed->System.bColor) {
printf("machine type reset (color)\n");
return true;
}
if (current->System.bTurbo != changed->System.bTurbo) {
printf("machine type reset (turbo)\n");
return true;
}
/* Did we change CPU type? */
if ((current->System.nCpuLevel != changed->System.nCpuLevel) ||
(current->System.nCpuFreq != changed->System.nCpuFreq)) {
printf("cpu type reset\n");
return true;
}
/* Did we change the realtime flag? */
if(current->System.bRealtime != changed->System.bRealtime) {
printf("realtime flag reset\n");
return true;
}
/* Did we change FPU type? */
if (current->System.n_FPUType != changed->System.n_FPUType) {
printf("fpu type reset\n");
return true;
}
/* Did we change DSP type or memory? */
if ((current->System.nDSPType != changed->System.nDSPType) ||
(current->System.bDSPMemoryExpansion != changed->System.bDSPMemoryExpansion)) {
printf("dsp type reset\n");
return true;
}
/* Did we change SCSI controller? */
if (current->System.nSCSI != changed->System.nSCSI) {
printf("scsi controller reset\n");
return true;
}
/* Did we change RTC chip? */
if (current->System.nRTC != changed->System.nRTC) {
printf("rtc chip reset\n");
return true;
}
/* Did we change NBIC emulation? */
if (current->System.bNBIC != changed->System.bNBIC) {
printf("nbic reset\n");
return true;
}
/* Did we change memory size? */
for (i = 0; i < 4; i++) {
if (current->Memory.nMemoryBankSize[i] != changed->Memory.nMemoryBankSize[i]) {
printf("memory size reset\n");
return true;
}
}
/* Did we change boot options? */
if (current->Boot.nBootDevice != changed->Boot.nBootDevice) {
printf("boot options reset\n");
return true;
}
if (current->Boot.bEnableDRAMTest != changed->Boot.bEnableDRAMTest) {
printf("boot options reset\n");
return true;
}
if (current->Boot.bEnablePot != changed->Boot.bEnablePot) {
printf("boot options reset\n");
return true;
}
if (current->Boot.bEnableSoundTest != changed->Boot.bEnableSoundTest) {
printf("boot options reset\n");
return true;
}
if (current->Boot.bEnableSCSITest != changed->Boot.bEnableSCSITest) {
printf("boot options reset\n");
return true;
}
if (current->Boot.bLoopPot != changed->Boot.bLoopPot) {
printf("boot options reset\n");
return true;
}
if (current->Boot.bVerbose != changed->Boot.bVerbose) {
printf("boot options reset\n");
return true;
}
if (current->Boot.bExtendedPot != changed->Boot.bExtendedPot) {
printf("boot options reset\n");
return true;
}
/* Did we change SCSI disk? */
for (i = 0; i < ESP_MAX_DEVS; i++) {
if (current->SCSI.target[i].nDeviceType != changed->SCSI.target[i].nDeviceType ||
(current->SCSI.target[i].nDeviceType==DEVTYPE_HARDDISK &&
(current->SCSI.target[i].bWriteProtected != changed->SCSI.target[i].bWriteProtected ||
strcmp(current->SCSI.target[i].szImageName, changed->SCSI.target[i].szImageName)))) {
printf("scsi disk reset\n");
return true;
}
}
if(current->SCSI.nWriteProtection != changed->SCSI.nWriteProtection) {
printf("scsi disk reset\n");
return true;
}
/* Did we change MO drive? */
for (i = 0; i < MO_MAX_DRIVES; i++) {
if (current->MO.drive[i].bDriveConnected != changed->MO.drive[i].bDriveConnected) {
printf("mo drive reset\n");
return true;
}
}
/* Did we change floppy drive? */
for (i = 0; i < FLP_MAX_DRIVES; i++) {
if (current->Floppy.drive[i].bDriveConnected != changed->Floppy.drive[i].bDriveConnected) {
printf("floppy drive reset\n");
return true;
}
}
/* Did we change printer? */
if (current->Printer.bPrinterConnected != changed->Printer.bPrinterConnected) {
printf("printer reset\n");
return true;
}
/* Did we change NeXTdimension? */
for (i = 0; i < ND_MAX_BOARDS; i++) {
if (current->Dimension.board[i].bEnabled != changed->Dimension.board[i].bEnabled ||
strcmp(current->Dimension.board[i].szRomFileName, changed->Dimension.board[i].szRomFileName)) {
printf("dimension reset\n");
return true;
}
for (j = 0; j < 4; j++) {
if (current->Dimension.board[i].nMemoryBankSize[j] != changed->Dimension.board[i].nMemoryBankSize[j]) {
printf("dimension memory size reset\n");
return true;
}
}
}
if (current->Dimension.bI860Thread != changed->Dimension.bI860Thread ||
current->Dimension.bMainDisplay != changed->Dimension.bMainDisplay ||
current->Dimension.nMainDisplay != changed->Dimension.nMainDisplay) {
printf("dimension display reset\n");
return true;
}
/* Did we change monitor count? */
if (current->Screen.nMonitorType != changed->Screen.nMonitorType &&
(current->Screen.nMonitorType == MONITOR_TYPE_DUAL ||
changed->Screen.nMonitorType == MONITOR_TYPE_DUAL)) {
printf("monitor reset\n");
return true;
}
/* Else no reset is required */
printf("No Reset needed!\n");
return false;
}
/*-----------------------------------------------------------------------*/
/**
* Copy details back to configuration and perform reset.
*/
bool Change_CopyChangedParamsToConfiguration(CNF_PARAMS *current, CNF_PARAMS *changed, bool bForceReset)
{
bool NeedReset;
bool bReInitEnetEmu = false;
bool bReInitSoundEmu = false;
bool bScreenModeChange = false;
Dprintf("Changes for:\n");
/* Do we need to warn user that changes will only take effect after reset? */
if (bForceReset)
NeedReset = bForceReset;
else
NeedReset = Change_DoNeedReset(current, changed);
/* Note: SCSI, MO and floppy disk insert/eject called from GUI */
/* Do we need to change Ethernet connection? */
if (!NeedReset &&
(current->Ethernet.bEthernetConnected != changed->Ethernet.bEthernetConnected ||
current->Ethernet.nHostInterface != changed->Ethernet.nHostInterface ||
strcmp(current->Ethernet.szInterfaceName, changed->Ethernet.szInterfaceName))) {
bReInitEnetEmu = true;
}
/* Do we need to change Sound configuration? */
if (!NeedReset &&
(current->Sound.bEnableSound != changed->Sound.bEnableSound ||
current->Sound.bEnableMicrophone != changed->Sound.bEnableMicrophone)) {
bReInitSoundEmu = true;
}
/* Do we need to change Screen configuration? */
if (!NeedReset &&
current->Screen.nMonitorType != changed->Screen.nMonitorType) {
}
/* Copy details to configuration,
* so it can be saved out or set on reset
*/
if (changed != &ConfigureParams)
{
ConfigureParams = *changed;
}
/* Copy details to global, if we reset copy them all */
Configuration_Apply(NeedReset);
/* Re-init Ethernet? */
if (bReInitEnetEmu) {
Dprintf("- Ethernet<\n");
Ethernet_Reset(false);
}
/* Re-init Sound? */
if (bReInitSoundEmu) {
Dprintf("- Sound<\n");
Sound_Reset();
}
/* Force things associated with screen change */
if (bScreenModeChange)
{
Dprintf("- screenmode<\n");
Screen_ModeChanged();
}
/* Do we need to perform reset? */
if (NeedReset)
{
/* Check if all necessary files exist */
Dialog_CheckFiles();
if (bQuitProgram)
{
SDL_Quit();
exit(-2);
}
Dprintf("- reset\n");
Reset_Cold();
}
/* Go into/return from full screen if flagged */
if (!bInFullScreen && ConfigureParams.Screen.bFullScreen)
Screen_EnterFullScreen();
else if (bInFullScreen && !ConfigureParams.Screen.bFullScreen)
Screen_ReturnFromFullScreen();
/* update statusbar info (CPU, MHz, mem etc) */
Statusbar_UpdateInfo();
Dprintf("done.\n");
return true;
}
/*-----------------------------------------------------------------------*/
/**
* Change given Hatari options
* Return false if parsing failed, true otherwise
*/
static bool Change_Options(int argc, const char *argv[])
{
bool bOK = false;
CNF_PARAMS current;
Main_PauseEmulation(false);
/* get configuration changes */
current = ConfigureParams;
ConfigureParams.Screen.bFullScreen = bInFullScreen;
/* Check if reset is required and ask user if he really wants to continue */
if (Change_DoNeedReset(¤t, &ConfigureParams)
&& current.Log.nAlertDlgLogLevel > LOG_FATAL) {
bOK = DlgAlert_Query("The emulated system must be "
"reset to apply these changes. "
"Apply changes now and reset "
"the emulator?");
}
/* Copy details to configuration */
if (bOK) {
if (!Change_CopyChangedParamsToConfiguration(¤t, &ConfigureParams, false)) {
ConfigureParams = current;
DlgAlert_Notice("Return to old parameters...");
Reset_Cold();
}
} else {
ConfigureParams = current;
}
Main_UnPauseEmulation();
return bOK;
}
/*-----------------------------------------------------------------------*/
/**
* Parse given command line and change Hatari options accordingly
* Return false if parsing failed or there were no args, true otherwise
*/
bool Change_ApplyCommandline(char *cmdline)
{
int i, argc, inarg;
const char **argv;
bool ret;
/* count args */
inarg = argc = 0;
for (i = 0; cmdline[i]; i++)
{
if (isspace(cmdline[i]))
{
inarg = 0;
continue;
}
if (!inarg)
{
inarg++;
argc++;
}
}
if (!argc)
{
return false;
}
/* 2 = "hatari" + NULL */
argv = malloc((argc+2) * sizeof(char*));
if (!argv)
{
perror("command line alloc");
return false;
}
/* parse them to array */
fprintf(stderr, "Command line with '%d' arguments:\n", argc);
inarg = argc = 0;
argv[argc++] = "hatari";
for (i = 0; cmdline[i]; i++)
{
if (isspace(cmdline[i]))
{
cmdline[i] = '\0';
if (inarg)
{
fprintf(stderr, "- '%s'\n", argv[argc-1]);
}
inarg = 0;
continue;
}
if (!inarg)
{
argv[argc++] = &(cmdline[i]);
inarg++;
}
}
if (inarg)
{
fprintf(stderr, "- '%s'\n", argv[argc-1]);
}
argv[argc] = NULL;
/* do args */
ret = Change_Options(argc, argv);
free((void *)argv);
return ret;
}