mirror of https://github.com/xemu-project/xemu.git
hack up rtc for xbox :/
This commit is contained in:
espes
parent
a604e498e4
commit
308a719ef5
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@ -63,7 +63,7 @@ typedef struct RTCState {
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ISADevice parent_obj;
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MemoryRegion io;
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uint8_t cmos_data[128];
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uint8_t cmos_data[256];
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uint8_t cmos_index;
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int32_t base_year;
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uint64_t base_rtc;
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@ -392,8 +392,10 @@ static void cmos_ioport_write(void *opaque, hwaddr addr,
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{
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RTCState *s = opaque;
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if ((addr & 1) == 0) {
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if (addr == 0) {
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s->cmos_index = data & 0x7f;
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} else if (addr == 2) {
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s->cmos_index = data;
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} else {
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CMOS_DPRINTF("cmos: write index=0x%02x val=0x%02x\n",
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s->cmos_index, data);
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@ -404,10 +406,11 @@ static void cmos_ioport_write(void *opaque, hwaddr addr,
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s->cmos_data[s->cmos_index] = data;
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check_update_timer(s);
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break;
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case RTC_IBM_PS2_CENTURY_BYTE:
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s->cmos_index = RTC_CENTURY;
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/* fall through */
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case RTC_CENTURY:
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//case RTC_IBM_PS2_CENTURY_BYTE:
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// s->cmos_index = RTC_CENTURY;
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// /* fall through */
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//case RTC_CENTURY:
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case RTC_XBOX_CENTURY:
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case RTC_SECONDS:
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case RTC_MINUTES:
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case RTC_HOURS:
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@ -526,7 +529,8 @@ static void rtc_get_time(RTCState *s, struct tm *tm)
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tm->tm_mon = rtc_from_bcd(s, s->cmos_data[RTC_MONTH]) - 1;
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tm->tm_year =
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rtc_from_bcd(s, s->cmos_data[RTC_YEAR]) + s->base_year +
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rtc_from_bcd(s, s->cmos_data[RTC_CENTURY]) * 100 - 1900;
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//rtc_from_bcd(s, s->cmos_data[RTC_CENTURY]) * 100 - 1900;
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rtc_from_bcd(s, s->cmos_data[RTC_XBOX_CENTURY]) * 100 - 1900;
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}
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static void rtc_set_time(RTCState *s)
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@ -561,7 +565,8 @@ static void rtc_set_cmos(RTCState *s, const struct tm *tm)
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s->cmos_data[RTC_MONTH] = rtc_to_bcd(s, tm->tm_mon + 1);
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year = tm->tm_year + 1900 - s->base_year;
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s->cmos_data[RTC_YEAR] = rtc_to_bcd(s, year % 100);
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s->cmos_data[RTC_CENTURY] = rtc_to_bcd(s, year / 100);
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//s->cmos_data[RTC_CENTURY] = rtc_to_bcd(s, year / 100);
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s->cmos_data[RTC_XBOX_CENTURY] = rtc_to_bcd(s, year / 100);
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}
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static void rtc_update_time(RTCState *s)
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@ -613,10 +618,11 @@ static uint64_t cmos_ioport_read(void *opaque, hwaddr addr,
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return 0xff;
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} else {
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switch(s->cmos_index) {
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case RTC_IBM_PS2_CENTURY_BYTE:
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s->cmos_index = RTC_CENTURY;
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/* fall through */
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case RTC_CENTURY:
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//case RTC_IBM_PS2_CENTURY_BYTE:
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// s->cmos_index = RTC_CENTURY;
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// /* fall through */
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//case RTC_CENTURY:
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case RTC_XBOX_CENTURY:
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case RTC_SECONDS:
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case RTC_MINUTES:
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case RTC_HOURS:
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@ -676,14 +682,14 @@ static uint64_t cmos_ioport_read(void *opaque, hwaddr addr,
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void rtc_set_memory(ISADevice *dev, int addr, int val)
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{
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RTCState *s = MC146818_RTC(dev);
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if (addr >= 0 && addr <= 127)
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if (addr >= 0 && addr < sizeof(s->cmos_data))
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s->cmos_data[addr] = val;
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}
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int rtc_get_memory(ISADevice *dev, int addr)
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{
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RTCState *s = MC146818_RTC(dev);
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assert(addr >= 0 && addr <= 127);
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assert(addr >= 0 && addr < sizeof(s->cmos_data));
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return s->cmos_data[addr];
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}
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@ -863,7 +869,7 @@ static void rtc_realizefn(DeviceState *dev, Error **errp)
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s->suspend_notifier.notify = rtc_notify_suspend;
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qemu_register_suspend_notifier(&s->suspend_notifier);
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memory_region_init_io(&s->io, OBJECT(s), &cmos_ops, s, "rtc", 2);
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memory_region_init_io(&s->io, OBJECT(s), &cmos_ops, s, "rtc", 4);
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isa_register_ioport(isadev, &s->io, base);
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qdev_set_legacy_instance_id(dev, base, 3);
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@ -203,9 +203,17 @@ void xbox_init_common(QEMUMachineInitArgs *args,
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idebus[0] = qdev_get_child_bus(&ide_dev->qdev, "ide.0");
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idebus[1] = qdev_get_child_bus(&ide_dev->qdev, "ide.1");
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pc_cmos_init(ram_size, 0, boot_device,
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NULL, idebus[0], idebus[1], rtc_state);
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// xbox bios wants this bit pattern set to mark the data as valid
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uint8_t bits = 0x55;
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for (i = 0x10; i < 0x70; i++) {
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rtc_set_memory(rtc_state, i, bits);
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bits = ~bits;
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}
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bits = 0x55;
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for (i = 0x80; i < 0x100; i++) {
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rtc_set_memory(rtc_state, i, bits);
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bits = ~bits;
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}
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/* smbus devices */
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uint8_t *eeprom_buf = g_malloc0(256);
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@ -243,6 +251,7 @@ void xbox_init_common(QEMUMachineInitArgs *args,
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static void xbox_init(QEMUMachineInitArgs *args)
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{
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#if 0
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/* Placeholder blank eeprom for xbox 1.0:
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* Serial number 000000000000
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* Mac address 00:00:00:00:00:00
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@ -282,6 +291,42 @@ static void xbox_init(QEMUMachineInitArgs *args)
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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#endif
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/* bunnie's eeprom */
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const uint8_t eeprom[] = {
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0xe3, 0x1c, 0x5c, 0x23, 0x6a, 0x58, 0x68, 0x37,
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0xb7, 0x12, 0x26, 0x6c, 0x99, 0x11, 0x30, 0xd1,
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0xe2, 0x3e, 0x4d, 0x56, 0xf7, 0x73, 0x2b, 0x73,
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0x85, 0xfe, 0x7f, 0x0a, 0x08, 0xef, 0x15, 0x3c,
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0x77, 0xee, 0x6d, 0x4e, 0x93, 0x2f, 0x28, 0xee,
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0xf8, 0x61, 0xf7, 0x94, 0x17, 0x1f, 0xfc, 0x11,
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0x0b, 0x84, 0x44, 0xed, 0x31, 0x30, 0x35, 0x35,
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0x38, 0x31, 0x31, 0x31, 0x34, 0x30, 0x30, 0x33,
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0x00, 0x50, 0xf2, 0x4f, 0x65, 0x52, 0x00, 0x00,
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0x0a, 0x1e, 0x35, 0x33, 0x71, 0x85, 0x31, 0x4d,
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0x59, 0x12, 0x38, 0x48, 0x1c, 0x91, 0x53, 0x60,
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0x00, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x75, 0x61, 0x57, 0xfb, 0x2c, 0x01, 0x00, 0x00,
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0x45, 0x53, 0x54, 0x00, 0x45, 0x44, 0x54, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x0a, 0x05, 0x00, 0x02, 0x04, 0x01, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0xc4, 0xff, 0xff, 0xff,
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0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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ISABus *isa_bus;
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xbox_init_common(args, (uint8_t*)eeprom, &isa_bus);
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@ -47,6 +47,7 @@
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/* PC cmos mappings */
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#define RTC_CENTURY 0x32
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#define RTC_IBM_PS2_CENTURY_BYTE 0x37
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#define RTC_XBOX_CENTURY 0x7f
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#define REG_A_UIP 0x80
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