X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fnvram.c;fp=palacios%2Fsrc%2Fdevices%2Fnvram.c;h=1244f90355af20ad5159f61033dfb2c3d0cc197a;hb=4bc3ee757b44d3e466fd89e348106c47fa5511ee;hp=10574e4e7d45129679660648529d3e08f72fa22e;hpb=9b4bfeefac09294a6f0ae12dbadf102eb547f5ec;p=palacios.git diff --git a/palacios/src/devices/nvram.c b/palacios/src/devices/nvram.c index 10574e4..1244f90 100644 --- a/palacios/src/devices/nvram.c +++ b/palacios/src/devices/nvram.c @@ -89,464 +89,464 @@ typedef enum {NVRAM_READY, NVRAM_REG_POSTED} nvram_state_t; struct nvram_internal { - nvram_state_t dev_state; - uchar_t thereg; - uchar_t mem_state[NVRAM_REG_MAX]; + nvram_state_t dev_state; + uchar_t thereg; + uchar_t mem_state[NVRAM_REG_MAX]; - uint_t us; //microseconds - for clock update - zeroed every second - uint_t pus; //microseconds - for periodic interrupt - cleared every period + uint_t us; //microseconds - for clock update - zeroed every second + uint_t pus; //microseconds - for periodic interrupt - cleared every period }; struct rtc_stata { - uint_t rate: 4; // clock rate = 65536Hz / 2 rate (0110=1024 Hz) - uint_t basis: 3; // time base, 010 = 32,768 Hz - uint_t uip: 1; // 1=update in progress + uint_t rate: 4; // clock rate = 65536Hz / 2 rate (0110=1024 Hz) + uint_t basis: 3; // time base, 010 = 32,768 Hz + uint_t uip: 1; // 1=update in progress } __attribute__((__packed__)) __attribute__((__aligned__ (1))) ; struct rtc_statb { - uint_t sum: 1; // 1=summer (daylight savings) - uint_t h24: 1; // 1=24h clock - uint_t dm: 1; // 1=date/time is in bcd, 0=binary - uint_t rec: 1; // 1=rectangular signal - uint_t ui: 1; // 1=update interrupt - uint_t ai: 1; // 1=alarm interrupt - uint_t pi: 1; // 1=periodic interrupt - uint_t set: 1; // 1=blocked update + uint_t sum: 1; // 1=summer (daylight savings) + uint_t h24: 1; // 1=24h clock + uint_t dm: 1; // 1=date/time is in bcd, 0=binary + uint_t rec: 1; // 1=rectangular signal + uint_t ui: 1; // 1=update interrupt + uint_t ai: 1; // 1=alarm interrupt + uint_t pi: 1; // 1=periodic interrupt + uint_t set: 1; // 1=blocked update } __attribute__((__packed__)) __attribute__((__aligned__ (1))) ; struct rtc_statc { - uint_t res: 4; // reserved - uint_t uf: 1; // 1=source of interrupt is update - uint_t af: 1; // 1=source of interrupt is alarm interrupt - uint_t pf: 1; // 1=source of interrupt is periodic interrupt - uint_t irq: 1; // 1=interrupt requested + uint_t res: 4; // reserved + uint_t uf: 1; // 1=source of interrupt is update + uint_t af: 1; // 1=source of interrupt is alarm interrupt + uint_t pf: 1; // 1=source of interrupt is periodic interrupt + uint_t irq: 1; // 1=interrupt requested } __attribute__((__packed__)) __attribute__((__aligned__ (1))) ; struct rtc_statd { - uint_t res: 7; // reserved - uint_t val: 1; // 1=cmos ram data is OK + uint_t res: 7; // reserved + uint_t val: 1; // 1=cmos ram data is OK } __attribute__((__packed__)) __attribute__((__aligned__ (1))) ; struct bcd_num { - uchar_t bot : 4; - uchar_t top : 4; + uchar_t bot : 4; + uchar_t top : 4; }; static uchar_t add_to(uchar_t * left, uchar_t * right, uchar_t bcd) { - uchar_t temp; + uchar_t temp; - if (bcd) { - struct bcd_num * bl = (struct bcd_num *)left; - struct bcd_num * br = (struct bcd_num *)right; - uchar_t carry = 0; - - bl->bot += br->bot; - carry = bl->bot / 0xa; - bl->bot %= 0xa; + if (bcd) { + struct bcd_num * bl = (struct bcd_num *)left; + struct bcd_num * br = (struct bcd_num *)right; + uchar_t carry = 0; - bl->top += carry + br->top; - carry = bl->top / 0xa; - bl->top %= 0xa; + bl->bot += br->bot; + carry = bl->bot / 0xa; + bl->bot %= 0xa; - return carry; - } else { - temp = *left; - *left += *right; + bl->top += carry + br->top; + carry = bl->top / 0xa; + bl->top %= 0xa; - if (*left < temp) { - return 1; + return carry; } else { - return 0; + temp = *left; + *left += *right; + + if (*left < temp) { + return 1; + } else { + return 0; + } } - } } static uchar_t days_in_month(struct vm_device * dev, uchar_t month, uchar_t bcd) { - // This completely ignores Julian / Gregorian stuff right now - - if (bcd) { - - switch (month) - { - case 0x1: //jan - case 0x3: //march - case 0x5: //may - case 0x7: //july - case 0x8: //aug - case 0x10: //oct - case 0x12: //dec - return 0x31; - break; - case 0x4: //april - case 0x6: //june - case 0x9: //sept - case 0x11: //nov - return 0x30; - break; - case 0x2: //feb - return 0x28; - break; - default: - return 0x30; - } + // This completely ignores Julian / Gregorian stuff right now + + if (bcd) { + + switch (month) + { + case 0x1: //jan + case 0x3: //march + case 0x5: //may + case 0x7: //july + case 0x8: //aug + case 0x10: //oct + case 0x12: //dec + return 0x31; + break; + case 0x4: //april + case 0x6: //june + case 0x9: //sept + case 0x11: //nov + return 0x30; + break; + case 0x2: //feb + return 0x28; + break; + default: + return 0x30; + } - } else { - - switch (month) - { - case 1: //jan - case 3: //march - case 5: //may - case 7: //july - case 8: //aug - case 10: //oct - case 12: //dec - return 31; - break; - case 4: //april - case 6: //june - case 9: //sept - case 11: //nov - return 30; - break; - case 2: //feb - return 28; - break; - default: - return 30; - } - } -} - + } else { -static void update_time(struct vm_device * dev, uint_t period_us) { - struct nvram_internal * data = (struct nvram_internal *) (dev->private_data); - struct rtc_stata * stata = (struct rtc_stata *) &((data->mem_state[NVRAM_REG_STAT_A])); - struct rtc_statb * statb = (struct rtc_statb *) &((data->mem_state[NVRAM_REG_STAT_B])); - struct rtc_statc * statc = (struct rtc_statc *) &((data->mem_state[NVRAM_REG_STAT_C])); - //struct rtc_statd *statd = (struct rtc_statd *) &((data->mem_state[NVRAM_REG_STAT_D])); - uchar_t * sec = (uchar_t *) &(data->mem_state[NVRAM_REG_SEC]); - uchar_t * min = (uchar_t *) &(data->mem_state[NVRAM_REG_MIN]); - uchar_t * hour = (uchar_t *) &(data->mem_state[NVRAM_REG_HOUR]); - uchar_t * weekday = (uchar_t *) &(data->mem_state[NVRAM_REG_WEEK_DAY]); - uchar_t * monthday = (uchar_t *) &(data->mem_state[NVRAM_REG_MONTH_DAY]); - uchar_t * month = (uchar_t *) &(data->mem_state[NVRAM_REG_MONTH]); - uchar_t * year = (uchar_t *) &(data->mem_state[NVRAM_REG_YEAR]); - uchar_t * cent = (uchar_t *) &(data->mem_state[NVRAM_REG_IBM_CENTURY_BYTE]); - uchar_t * seca = (uchar_t *) &(data->mem_state[NVRAM_REG_SEC_ALARM]); - uchar_t * mina = (uchar_t *) &(data->mem_state[NVRAM_REG_MIN_ALARM]); - uchar_t * houra = (uchar_t *) &(data->mem_state[NVRAM_REG_HOUR_ALARM]); - uchar_t hour24; - - uchar_t bcd = (statb->dm == 1); - uchar_t carry = 0; - uchar_t nextday = 0; - uint_t periodic_period; - - //PrintDebug("nvram: sizeof(struct rtc_stata)=%d\n", sizeof(struct rtc_stata)); - - - //PrintDebug("nvram: update_time\n",statb->pi); - - // We will set these flags on exit - statc->irq = 0; - statc->pf = 0; - statc->af = 0; - statc->uf = 0; - - // We will reset us after one second - data->us += period_us; - // We will reset pus after one periodic_period - data->pus += period_us; - - if (data->us > 1000000) { - carry = 1; - carry = add_to(sec, &carry, bcd); - - if (carry) { - PrintDebug("nvram: somehow managed to get a carry in second update\n"); + switch (month) + { + case 1: //jan + case 3: //march + case 5: //may + case 7: //july + case 8: //aug + case 10: //oct + case 12: //dec + return 31; + break; + case 4: //april + case 6: //june + case 9: //sept + case 11: //nov + return 30; + break; + case 2: //feb + return 28; + break; + default: + return 30; + } } +} - if ( (bcd && (*sec == 0x60)) || - ((!bcd) && (*sec == 60))) { - - *sec = 0; - - carry = 1; - carry = add_to(min, &carry, bcd); - if (carry) { - PrintDebug("nvram: somehow managed to get a carry in minute update\n"); - } - - if ( (bcd && (*min == 0x60)) || - ((!bcd) && (*min == 60))) { - *min = 0; - hour24 = *hour; +static void update_time(struct vm_device * dev, uint_t period_us) { + struct nvram_internal * data = (struct nvram_internal *) (dev->private_data); + struct rtc_stata * stata = (struct rtc_stata *) &((data->mem_state[NVRAM_REG_STAT_A])); + struct rtc_statb * statb = (struct rtc_statb *) &((data->mem_state[NVRAM_REG_STAT_B])); + struct rtc_statc * statc = (struct rtc_statc *) &((data->mem_state[NVRAM_REG_STAT_C])); + //struct rtc_statd *statd = (struct rtc_statd *) &((data->mem_state[NVRAM_REG_STAT_D])); + uchar_t * sec = (uchar_t *) &(data->mem_state[NVRAM_REG_SEC]); + uchar_t * min = (uchar_t *) &(data->mem_state[NVRAM_REG_MIN]); + uchar_t * hour = (uchar_t *) &(data->mem_state[NVRAM_REG_HOUR]); + uchar_t * weekday = (uchar_t *) &(data->mem_state[NVRAM_REG_WEEK_DAY]); + uchar_t * monthday = (uchar_t *) &(data->mem_state[NVRAM_REG_MONTH_DAY]); + uchar_t * month = (uchar_t *) &(data->mem_state[NVRAM_REG_MONTH]); + uchar_t * year = (uchar_t *) &(data->mem_state[NVRAM_REG_YEAR]); + uchar_t * cent = (uchar_t *) &(data->mem_state[NVRAM_REG_IBM_CENTURY_BYTE]); + uchar_t * seca = (uchar_t *) &(data->mem_state[NVRAM_REG_SEC_ALARM]); + uchar_t * mina = (uchar_t *) &(data->mem_state[NVRAM_REG_MIN_ALARM]); + uchar_t * houra = (uchar_t *) &(data->mem_state[NVRAM_REG_HOUR_ALARM]); + uchar_t hour24; + + uchar_t bcd = (statb->dm == 1); + uchar_t carry = 0; + uchar_t nextday = 0; + uint_t periodic_period; - if (!(statb->h24)) { + //PrintDebug("nvram: sizeof(struct rtc_stata)=%d\n", sizeof(struct rtc_stata)); - if (hour24 & 0x80) { - hour24 &= 0x8f; - uchar_t temp = ((bcd) ? 0x12 : 12); - add_to(&hour24, &temp, bcd); - } - } + //PrintDebug("nvram: update_time\n",statb->pi); + + // We will set these flags on exit + statc->irq = 0; + statc->pf = 0; + statc->af = 0; + statc->uf = 0; + + // We will reset us after one second + data->us += period_us; + // We will reset pus after one periodic_period + data->pus += period_us; + + if (data->us > 1000000) { carry = 1; - carry = add_to(&hour24, &carry, bcd); + carry = add_to(sec, &carry, bcd); + if (carry) { - PrintDebug("nvram: somehow managed to get a carry in hour update\n"); + PrintDebug("nvram: somehow managed to get a carry in second update\n"); } - if ( (bcd && (hour24 == 0x24)) || - ((!bcd) && (hour24 == 24))) { - carry = 1; - nextday = 1; - hour24 = 0; - } else { - carry = 0; - } + if ( (bcd && (*sec == 0x60)) || + ((!bcd) && (*sec == 60))) { + + *sec = 0; + carry = 1; + carry = add_to(min, &carry, bcd); + if (carry) { + PrintDebug("nvram: somehow managed to get a carry in minute update\n"); + } - if (statb->h24) { - *hour = hour24; - } else { - if ( (bcd && (hour24 < 0x12)) || - ((!bcd) && (hour24 < 12))) { - *hour = hour24; + if ( (bcd && (*min == 0x60)) || + ((!bcd) && (*min == 60))) { - } else { + *min = 0; + hour24 = *hour; - if (!bcd) { - *hour = (hour24 - 12) | 0x80; - } else { - *hour = hour24; - struct bcd_num * n = (struct bcd_num *)hour; + if (!(statb->h24)) { - if (n->bot < 0x2) { - n->top--; - n->bot += 0xa; - } + if (hour24 & 0x80) { + hour24 &= 0x8f; + uchar_t temp = ((bcd) ? 0x12 : 12); + add_to(&hour24, &temp, bcd); + } + } - n->bot -= 0x2; - n->top -= 0x1; + carry = 1; + carry = add_to(&hour24, &carry, bcd); + if (carry) { + PrintDebug("nvram: somehow managed to get a carry in hour update\n"); + } + + if ( (bcd && (hour24 == 0x24)) || + ((!bcd) && (hour24 == 24))) { + carry = 1; + nextday = 1; + hour24 = 0; + } else { + carry = 0; + } + + + if (statb->h24) { + *hour = hour24; + } else { + if ( (bcd && (hour24 < 0x12)) || + ((!bcd) && (hour24 < 12))) { + *hour = hour24; + + } else { + + if (!bcd) { + *hour = (hour24 - 12) | 0x80; + } else { + *hour = hour24; + struct bcd_num * n = (struct bcd_num *)hour; + + if (n->bot < 0x2) { + n->top--; + n->bot += 0xa; + } + + n->bot -= 0x2; + n->top -= 0x1; + } + } + } + + // now see if we need to carry into the days and further + if (nextday) { + carry = 1; + add_to(weekday, &carry, bcd); + + *weekday %= 0x7; // same regardless of bcd + + if ((*monthday) != days_in_month(dev, *month, bcd)) { + add_to(monthday, &carry, bcd); + } else { + *monthday = 0x1; + + carry = 1; + add_to(month, &carry, bcd); + + if ( (bcd && (*month == 0x13)) || + ((!bcd) && (*month == 13))) { + *month = 1; // same for both + + carry = 1; + carry = add_to(year, &carry, bcd); + + if ( (bcd && carry) || + ((!bcd) && (*year == 100))) { + *year = 0; + carry = 1; + add_to(cent, &carry, bcd); + } + } + } + } } - } } - // now see if we need to carry into the days and further - if (nextday) { - carry = 1; - add_to(weekday, &carry, bcd); - - *weekday %= 0x7; // same regardless of bcd - - if ((*monthday) != days_in_month(dev, *month, bcd)) { - add_to(monthday, &carry, bcd); - } else { - *monthday = 0x1; - - carry = 1; - add_to(month, &carry, bcd); - - if ( (bcd && (*month == 0x13)) || - ((!bcd) && (*month == 13))) { - *month = 1; // same for both - carry = 1; - carry = add_to(year, &carry, bcd); - - if ( (bcd && carry) || - ((!bcd) && (*year == 100))) { - *year = 0; - carry = 1; - add_to(cent, &carry, bcd); - } + data->us -= 1000000; + // OK, now check for the alarm, if it is set to interrupt + if (statb->ai) { + if ((*sec == *seca) && (*min == *mina) && (*hour == *houra)) { + statc->af = 1; + PrintDebug("nvram: interrupt on alarm\n"); } - } } - } } - - data->us -= 1000000; - // OK, now check for the alarm, if it is set to interrupt - if (statb->ai) { - if ((*sec == *seca) && (*min == *mina) && (*hour == *houra)) { - statc->af = 1; - PrintDebug("nvram: interrupt on alarm\n"); - } - } - } - - if (statb->pi) { - periodic_period = 1000000 / (65536 / (0x1 << stata->rate)); - if (data->pus >= periodic_period) { - statc->pf = 1; - data->pus -= periodic_period; - PrintDebug("nvram: interrupt on periodic\n"); + if (statb->pi) { + periodic_period = 1000000 / (65536 / (0x1 << stata->rate)); + if (data->pus >= periodic_period) { + statc->pf = 1; + data->pus -= periodic_period; + PrintDebug("nvram: interrupt on periodic\n"); + } } - } - if (statb->ui) { - statc->uf = 1; - PrintDebug("nvram: interrupt on update\n"); - } + if (statb->ui) { + statc->uf = 1; + PrintDebug("nvram: interrupt on update\n"); + } - statc->irq = (statc->pf || statc->af || statc->uf); + statc->irq = (statc->pf || statc->af || statc->uf); - //PrintDebug("nvram: time is now: YMDHMS: 0x%x:0x%x:0x%x:0x%x:0x%x,0x%x bcd=%d\n", *year, *month, *monthday, *hour, *min, *sec,bcd); + //PrintDebug("nvram: time is now: YMDHMS: 0x%x:0x%x:0x%x:0x%x:0x%x,0x%x bcd=%d\n", *year, *month, *monthday, *hour, *min, *sec,bcd); - // Interrupt associated VM, if needed - if (statc->irq) { - PrintDebug("nvram: injecting interrupt\n"); - v3_raise_irq(dev->vm, NVRAM_RTC_IRQ); - } + // Interrupt associated VM, if needed + if (statc->irq) { + PrintDebug("nvram: injecting interrupt\n"); + v3_raise_irq(dev->vm, NVRAM_RTC_IRQ); + } } static int handle_timer_event(struct guest_info * info, - struct v3_timer_event * evt, - void * priv_data) { + struct v3_timer_event * evt, + void * priv_data) { - struct vm_device * dev = (struct vm_device *)priv_data; + struct vm_device * dev = (struct vm_device *)priv_data; - if (dev) { - update_time(dev, evt->period_us); - } + if (dev) { + update_time(dev, evt->period_us); + } - return 0; + return 0; } static void set_memory_size(struct nvram_internal * nvram, addr_t bytes) { - // 1. Conventional Mem: 0-640k in K - // 2. Extended Mem: 0-16MB in K - // 3. Big Mem: 0-4G in 64K - - if (bytes > 640 * 1024) { - nvram->mem_state[NVRAM_REG_BASE_MEMORY_HIGH] = 0x02; - nvram->mem_state[NVRAM_REG_BASE_MEMORY_LOW] = 0x80; - } else { - uint16_t memk = bytes * 1024; - nvram->mem_state[NVRAM_REG_BASE_MEMORY_HIGH] = (memk >> 8) & 0x00ff; - nvram->mem_state[NVRAM_REG_BASE_MEMORY_LOW] = memk & 0x00ff; + // 1. Conventional Mem: 0-640k in K + // 2. Extended Mem: 0-16MB in K + // 3. Big Mem: 0-4G in 64K - return; - } - - if (bytes > (16 * 1024 * 1024)) { - // Set extended memory to 15 MB - nvram->mem_state[NVRAM_REG_EXT_MEMORY_HIGH] = 0x3C; - nvram->mem_state[NVRAM_REG_EXT_MEMORY_LOW] = 0x00; - nvram->mem_state[NVRAM_REG_EXT_MEMORY_2ND_HIGH]= 0x3C; - nvram->mem_state[NVRAM_REG_EXT_MEMORY_2ND_LOW]= 0x00; - } else { - uint16_t memk = bytes * 1024; - nvram->mem_state[NVRAM_REG_EXT_MEMORY_HIGH] = (memk >> 8) & 0x00ff; - nvram->mem_state[NVRAM_REG_EXT_MEMORY_LOW] = memk & 0x00ff; - nvram->mem_state[NVRAM_REG_EXT_MEMORY_2ND_HIGH]= (memk >> 8) & 0x00ff; - nvram->mem_state[NVRAM_REG_EXT_MEMORY_2ND_LOW]= memk & 0x00ff; + if (bytes > 640 * 1024) { + nvram->mem_state[NVRAM_REG_BASE_MEMORY_HIGH] = 0x02; + nvram->mem_state[NVRAM_REG_BASE_MEMORY_LOW] = 0x80; + } else { + uint16_t memk = bytes * 1024; + nvram->mem_state[NVRAM_REG_BASE_MEMORY_HIGH] = (memk >> 8) & 0x00ff; + nvram->mem_state[NVRAM_REG_BASE_MEMORY_LOW] = memk & 0x00ff; - return; - } + return; + } - { - // Set the extended memory beyond 16 MB in 64k chunks - uint16_t mem_chunks = (bytes - (1024 * 1024 * 16)) / (1024 * 64); - nvram->mem_state[NVRAM_REG_AMI_BIG_MEMORY_HIGH] = (mem_chunks >> 8) & 0x00ff; - nvram->mem_state[NVRAM_REG_AMI_BIG_MEMORY_LOW] = mem_chunks & 0x00ff; - } + if (bytes > (16 * 1024 * 1024)) { + // Set extended memory to 15 MB + nvram->mem_state[NVRAM_REG_EXT_MEMORY_HIGH] = 0x3C; + nvram->mem_state[NVRAM_REG_EXT_MEMORY_LOW] = 0x00; + nvram->mem_state[NVRAM_REG_EXT_MEMORY_2ND_HIGH]= 0x3C; + nvram->mem_state[NVRAM_REG_EXT_MEMORY_2ND_LOW]= 0x00; + } else { + uint16_t memk = bytes * 1024; + nvram->mem_state[NVRAM_REG_EXT_MEMORY_HIGH] = (memk >> 8) & 0x00ff; + nvram->mem_state[NVRAM_REG_EXT_MEMORY_LOW] = memk & 0x00ff; + nvram->mem_state[NVRAM_REG_EXT_MEMORY_2ND_HIGH]= (memk >> 8) & 0x00ff; + nvram->mem_state[NVRAM_REG_EXT_MEMORY_2ND_LOW]= memk & 0x00ff; - return; + return; + } + + { + // Set the extended memory beyond 16 MB in 64k chunks + uint16_t mem_chunks = (bytes - (1024 * 1024 * 16)) / (1024 * 64); + nvram->mem_state[NVRAM_REG_AMI_BIG_MEMORY_HIGH] = (mem_chunks >> 8) & 0x00ff; + nvram->mem_state[NVRAM_REG_AMI_BIG_MEMORY_LOW] = mem_chunks & 0x00ff; + } + + return; } static int init_nvram_state(struct vm_device * dev) { - struct guest_info * info = dev->vm; - struct nvram_internal * nvram_state = (struct nvram_internal *)dev->private_data; + struct guest_info * info = dev->vm; + struct nvram_internal * nvram_state = (struct nvram_internal *)dev->private_data; - memset(nvram_state->mem_state, 0, NVRAM_REG_MAX); + memset(nvram_state->mem_state, 0, NVRAM_REG_MAX); - // - // 2 1.44 MB floppy drives - // + // + // 2 1.44 MB floppy drives + // #if 1 - nvram_state->mem_state[NVRAM_REG_FLOPPY_TYPE] = 0x44; + nvram_state->mem_state[NVRAM_REG_FLOPPY_TYPE] = 0x44; #else - nvram_state->mem_state[NVRAM_REG_FLOPPY_TYPE] = 0x00; + nvram_state->mem_state[NVRAM_REG_FLOPPY_TYPE] = 0x00; #endif - // - // For old boot sequence style, do floppy first - // - nvram_state->mem_state[NVRAM_REG_BOOTSEQ_OLD] = 0x10; + // + // For old boot sequence style, do floppy first + // + nvram_state->mem_state[NVRAM_REG_BOOTSEQ_OLD] = 0x10; #if 0 - // For new boot sequence style, do floppy, cd, then hd - nvram_state->mem_state[NVRAM_REG_BOOTSEQ_NEW_FIRST] = 0x31; - nvram_state->mem_state[NVRAM_REG_BOOTSEQ_NEW_SECOND] = 0x20; + // For new boot sequence style, do floppy, cd, then hd + nvram_state->mem_state[NVRAM_REG_BOOTSEQ_NEW_FIRST] = 0x31; + nvram_state->mem_state[NVRAM_REG_BOOTSEQ_NEW_SECOND] = 0x20; #endif - // For new boot sequence style, do cd, hd, floppy - nvram_state->mem_state[NVRAM_REG_BOOTSEQ_NEW_FIRST] = 0x23; - nvram_state->mem_state[NVRAM_REG_BOOTSEQ_NEW_SECOND] = 0x10; + // For new boot sequence style, do cd, hd, floppy + nvram_state->mem_state[NVRAM_REG_BOOTSEQ_NEW_FIRST] = 0x23; + nvram_state->mem_state[NVRAM_REG_BOOTSEQ_NEW_SECOND] = 0x10; - // Set equipment byte to note 2 floppies, vga display, keyboard,math,floppy - nvram_state->mem_state[NVRAM_REG_EQUIPMENT_BYTE] = 0x4f; - // nvram_state->mem_state[NVRAM_REG_EQUIPMENT_BYTE] = 0xf; + // Set equipment byte to note 2 floppies, vga display, keyboard,math,floppy + nvram_state->mem_state[NVRAM_REG_EQUIPMENT_BYTE] = 0x4f; + // nvram_state->mem_state[NVRAM_REG_EQUIPMENT_BYTE] = 0xf; - // This is the harddisk type.... Set accordingly... - nvram_state->mem_state[NVRAM_IBM_HD_DATA] = 0x20; + // This is the harddisk type.... Set accordingly... + nvram_state->mem_state[NVRAM_IBM_HD_DATA] = 0x20; - // Set the shutdown status gently - // soft reset - nvram_state->mem_state[NVRAM_REG_SHUTDOWN_STATUS] = 0x0; + // Set the shutdown status gently + // soft reset + nvram_state->mem_state[NVRAM_REG_SHUTDOWN_STATUS] = 0x0; - // RTC status A - // 00100110 = no update in progress, base=32768 Hz, rate = 1024 Hz - nvram_state->mem_state[NVRAM_REG_STAT_A] = 0x26; + // RTC status A + // 00100110 = no update in progress, base=32768 Hz, rate = 1024 Hz + nvram_state->mem_state[NVRAM_REG_STAT_A] = 0x26; - // RTC status B - // 00000100 = not setting, no interrupts, blocked rect signal, bcd mode, 24 hour, normal time - nvram_state->mem_state[NVRAM_REG_STAT_B] = 0x06; + // RTC status B + // 00000100 = not setting, no interrupts, blocked rect signal, bcd mode, 24 hour, normal time + nvram_state->mem_state[NVRAM_REG_STAT_B] = 0x06; - // RTC status C - // No IRQ requested, result not do to any source - nvram_state->mem_state[NVRAM_REG_STAT_C] = 0x00; + // RTC status C + // No IRQ requested, result not do to any source + nvram_state->mem_state[NVRAM_REG_STAT_C] = 0x00; - // RTC status D - // Battery is OK - nvram_state->mem_state[NVRAM_REG_STAT_D] = 0x80; + // RTC status D + // Battery is OK + nvram_state->mem_state[NVRAM_REG_STAT_D] = 0x80; - // january 1, 2008, 00:00:00 - nvram_state->mem_state[NVRAM_REG_MONTH] = 0x1; - nvram_state->mem_state[NVRAM_REG_MONTH_DAY] = 0x1; - nvram_state->mem_state[NVRAM_REG_WEEK_DAY] = 0x1; - nvram_state->mem_state[NVRAM_REG_YEAR] = 0x08; + // january 1, 2008, 00:00:00 + nvram_state->mem_state[NVRAM_REG_MONTH] = 0x1; + nvram_state->mem_state[NVRAM_REG_MONTH_DAY] = 0x1; + nvram_state->mem_state[NVRAM_REG_WEEK_DAY] = 0x1; + nvram_state->mem_state[NVRAM_REG_YEAR] = 0x08; - nvram_state->us = 0; - nvram_state->pus = 0; + nvram_state->us = 0; + nvram_state->pus = 0; - set_memory_size(nvram_state, info->mem_size); + set_memory_size(nvram_state, info->mem_size); - nvram_state->dev_state = NVRAM_READY; - nvram_state->thereg = 0; + nvram_state->dev_state = NVRAM_READY; + nvram_state->thereg = 0; - return 0; + return 0; } @@ -554,7 +554,7 @@ static int init_nvram_state(struct vm_device * dev) { static int nvram_reset_device(struct vm_device * dev) { - return 0; + return 0; } @@ -562,14 +562,14 @@ static int nvram_reset_device(struct vm_device * dev) { static int nvram_start_device(struct vm_device * dev) { - PrintDebug("nvram: start device\n"); - return 0; + PrintDebug("nvram: start device\n"); + return 0; } static int nvram_stop_device(struct vm_device * dev) { - PrintDebug("nvram: stop device\n"); - return 0; + PrintDebug("nvram: stop device\n"); + return 0; } @@ -579,69 +579,69 @@ static int nvram_write_reg_port(ushort_t port, void * src, uint_t length, struct vm_device * dev) { - struct nvram_internal * data = (struct nvram_internal *)dev->private_data; + struct nvram_internal * data = (struct nvram_internal *)dev->private_data; - memcpy(&(data->thereg), src, 1); - PrintDebug("Writing To NVRAM reg: 0x%x\n", data->thereg); + memcpy(&(data->thereg), src, 1); + PrintDebug("Writing To NVRAM reg: 0x%x\n", data->thereg); - return 1; + return 1; } static int nvram_read_data_port(ushort_t port, void * dst, uint_t length, struct vm_device * dev) { - struct nvram_internal * data = (struct nvram_internal *)dev->private_data; + struct nvram_internal * data = (struct nvram_internal *)dev->private_data; - memcpy(dst, &(data->mem_state[data->thereg]), 1); + memcpy(dst, &(data->mem_state[data->thereg]), 1); - PrintDebug("nvram_read_data_port(0x%x)=0x%x\n", data->thereg, data->mem_state[data->thereg]); + PrintDebug("nvram_read_data_port(0x%x)=0x%x\n", data->thereg, data->mem_state[data->thereg]); - // hack - if (data->thereg == NVRAM_REG_STAT_A) { - data->mem_state[data->thereg] ^= 0x80; // toggle Update in progess - } + // hack + if (data->thereg == NVRAM_REG_STAT_A) { + data->mem_state[data->thereg] ^= 0x80; // toggle Update in progess + } - return 1; + return 1; } static int nvram_write_data_port(ushort_t port, void * src, uint_t length, struct vm_device * dev) { - struct nvram_internal * data = (struct nvram_internal *)dev->private_data; + struct nvram_internal * data = (struct nvram_internal *)dev->private_data; - memcpy(&(data->mem_state[data->thereg]), src, 1); + memcpy(&(data->mem_state[data->thereg]), src, 1); - PrintDebug("nvram_write_data_port(0x%x)=0x%x\n", data->thereg, data->mem_state[data->thereg]); + PrintDebug("nvram_write_data_port(0x%x)=0x%x\n", data->thereg, data->mem_state[data->thereg]); - return 1; + return 1; } static int nvram_init_device(struct vm_device * dev) { - PrintDebug("nvram: init_device\n"); + PrintDebug("nvram: init_device\n"); - init_nvram_state(dev); + init_nvram_state(dev); - // hook ports - v3_dev_hook_io(dev, NVRAM_REG_PORT, NULL, &nvram_write_reg_port); - v3_dev_hook_io(dev, NVRAM_DATA_PORT, &nvram_read_data_port, &nvram_write_data_port); + // hook ports + v3_dev_hook_io(dev, NVRAM_REG_PORT, NULL, &nvram_write_reg_port); + v3_dev_hook_io(dev, NVRAM_DATA_PORT, &nvram_read_data_port, &nvram_write_data_port); - v3_hook_host_event(dev->vm, HOST_TIMER_EVT, V3_HOST_EVENT_HANDLER(handle_timer_event), dev); + v3_hook_host_event(dev->vm, HOST_TIMER_EVT, V3_HOST_EVENT_HANDLER(handle_timer_event), dev); - return 0; + return 0; } static int nvram_deinit_device(struct vm_device * dev) { - v3_dev_unhook_io(dev, NVRAM_REG_PORT); - v3_dev_unhook_io(dev, NVRAM_DATA_PORT); + v3_dev_unhook_io(dev, NVRAM_REG_PORT); + v3_dev_unhook_io(dev, NVRAM_DATA_PORT); - nvram_reset_device(dev); - return 0; + nvram_reset_device(dev); + return 0; } @@ -649,24 +649,24 @@ static int nvram_deinit_device(struct vm_device * dev) { static struct vm_device_ops dev_ops = { - .init = nvram_init_device, - .deinit = nvram_deinit_device, - .reset = nvram_reset_device, - .start = nvram_start_device, - .stop = nvram_stop_device, + .init = nvram_init_device, + .deinit = nvram_deinit_device, + .reset = nvram_reset_device, + .start = nvram_start_device, + .stop = nvram_stop_device, }; struct vm_device * v3_create_nvram() { - struct nvram_internal * nvram_state = NULL; + struct nvram_internal * nvram_state = NULL; - nvram_state = (struct nvram_internal *)V3_Malloc(sizeof(struct nvram_internal) + 1000); + nvram_state = (struct nvram_internal *)V3_Malloc(sizeof(struct nvram_internal) + 1000); - PrintDebug("nvram: internal at %p\n", (void *)nvram_state); + PrintDebug("nvram: internal at %p\n", (void *)nvram_state); - struct vm_device * device = v3_create_device("NVRAM", &dev_ops, nvram_state); + struct vm_device * device = v3_create_device("NVRAM", &dev_ops, nvram_state); - return device; + return device; }