diff options
Diffstat (limited to 'hw/rtc/m48t59.c')
-rw-r--r-- | hw/rtc/m48t59.c | 150 |
1 files changed, 75 insertions, 75 deletions
diff --git a/hw/rtc/m48t59.c b/hw/rtc/m48t59.c index 74345d9d90..ec3e56e84f 100644 --- a/hw/rtc/m48t59.c +++ b/hw/rtc/m48t59.c @@ -93,9 +93,9 @@ static void alarm_cb (void *opaque) qemu_set_irq(NVRAM->IRQ, 1); if ((NVRAM->buffer[0x1FF5] & 0x80) == 0 && - (NVRAM->buffer[0x1FF4] & 0x80) == 0 && - (NVRAM->buffer[0x1FF3] & 0x80) == 0 && - (NVRAM->buffer[0x1FF2] & 0x80) == 0) { + (NVRAM->buffer[0x1FF4] & 0x80) == 0 && + (NVRAM->buffer[0x1FF3] & 0x80) == 0 && + (NVRAM->buffer[0x1FF2] & 0x80) == 0) { /* Repeat once a month */ qemu_get_timedate(&tm, NVRAM->time_offset); tm.tm_mon++; @@ -105,21 +105,21 @@ static void alarm_cb (void *opaque) } next_time = qemu_timedate_diff(&tm) - NVRAM->time_offset; } else if ((NVRAM->buffer[0x1FF5] & 0x80) != 0 && - (NVRAM->buffer[0x1FF4] & 0x80) == 0 && - (NVRAM->buffer[0x1FF3] & 0x80) == 0 && - (NVRAM->buffer[0x1FF2] & 0x80) == 0) { + (NVRAM->buffer[0x1FF4] & 0x80) == 0 && + (NVRAM->buffer[0x1FF3] & 0x80) == 0 && + (NVRAM->buffer[0x1FF2] & 0x80) == 0) { /* Repeat once a day */ next_time = 24 * 60 * 60; } else if ((NVRAM->buffer[0x1FF5] & 0x80) != 0 && - (NVRAM->buffer[0x1FF4] & 0x80) != 0 && - (NVRAM->buffer[0x1FF3] & 0x80) == 0 && - (NVRAM->buffer[0x1FF2] & 0x80) == 0) { + (NVRAM->buffer[0x1FF4] & 0x80) != 0 && + (NVRAM->buffer[0x1FF3] & 0x80) == 0 && + (NVRAM->buffer[0x1FF2] & 0x80) == 0) { /* Repeat once an hour */ next_time = 60 * 60; } else if ((NVRAM->buffer[0x1FF5] & 0x80) != 0 && - (NVRAM->buffer[0x1FF4] & 0x80) != 0 && - (NVRAM->buffer[0x1FF3] & 0x80) != 0 && - (NVRAM->buffer[0x1FF2] & 0x80) == 0) { + (NVRAM->buffer[0x1FF4] & 0x80) != 0 && + (NVRAM->buffer[0x1FF3] & 0x80) != 0 && + (NVRAM->buffer[0x1FF2] & 0x80) == 0) { /* Repeat once a minute */ next_time = 60; } else { @@ -161,13 +161,13 @@ static void watchdog_cb (void *opaque) NVRAM->buffer[0x1FF0] |= 0x80; if (NVRAM->buffer[0x1FF7] & 0x80) { - NVRAM->buffer[0x1FF7] = 0x00; - NVRAM->buffer[0x1FFC] &= ~0x40; + NVRAM->buffer[0x1FF7] = 0x00; + NVRAM->buffer[0x1FFC] &= ~0x40; /* May it be a hw CPU Reset instead ? */ qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); } else { - qemu_set_irq(NVRAM->IRQ, 1); - qemu_set_irq(NVRAM->IRQ, 0); + qemu_set_irq(NVRAM->IRQ, 1); + qemu_set_irq(NVRAM->IRQ, 0); } } @@ -262,80 +262,80 @@ void m48t59_write(M48t59State *NVRAM, uint32_t addr, uint32_t val) case 0x1FF9: case 0x07F9: /* seconds (BCD) */ - tmp = from_bcd(val & 0x7F); - if (tmp >= 0 && tmp <= 59) { - get_time(NVRAM, &tm); - tm.tm_sec = tmp; - set_time(NVRAM, &tm); - } + tmp = from_bcd(val & 0x7F); + if (tmp >= 0 && tmp <= 59) { + get_time(NVRAM, &tm); + tm.tm_sec = tmp; + set_time(NVRAM, &tm); + } if ((val & 0x80) ^ (NVRAM->buffer[addr] & 0x80)) { - if (val & 0x80) { - NVRAM->stop_time = time(NULL); - } else { - NVRAM->time_offset += NVRAM->stop_time - time(NULL); - NVRAM->stop_time = 0; - } - } + if (val & 0x80) { + NVRAM->stop_time = time(NULL); + } else { + NVRAM->time_offset += NVRAM->stop_time - time(NULL); + NVRAM->stop_time = 0; + } + } NVRAM->buffer[addr] = val & 0x80; break; case 0x1FFA: case 0x07FA: /* minutes (BCD) */ - tmp = from_bcd(val & 0x7F); - if (tmp >= 0 && tmp <= 59) { - get_time(NVRAM, &tm); - tm.tm_min = tmp; - set_time(NVRAM, &tm); - } + tmp = from_bcd(val & 0x7F); + if (tmp >= 0 && tmp <= 59) { + get_time(NVRAM, &tm); + tm.tm_min = tmp; + set_time(NVRAM, &tm); + } break; case 0x1FFB: case 0x07FB: /* hours (BCD) */ - tmp = from_bcd(val & 0x3F); - if (tmp >= 0 && tmp <= 23) { - get_time(NVRAM, &tm); - tm.tm_hour = tmp; - set_time(NVRAM, &tm); - } + tmp = from_bcd(val & 0x3F); + if (tmp >= 0 && tmp <= 23) { + get_time(NVRAM, &tm); + tm.tm_hour = tmp; + set_time(NVRAM, &tm); + } break; case 0x1FFC: case 0x07FC: /* day of the week / century */ - tmp = from_bcd(val & 0x07); - get_time(NVRAM, &tm); - tm.tm_wday = tmp; - set_time(NVRAM, &tm); + tmp = from_bcd(val & 0x07); + get_time(NVRAM, &tm); + tm.tm_wday = tmp; + set_time(NVRAM, &tm); NVRAM->buffer[addr] = val & 0x40; break; case 0x1FFD: case 0x07FD: /* date (BCD) */ - tmp = from_bcd(val & 0x3F); - if (tmp != 0) { - get_time(NVRAM, &tm); - tm.tm_mday = tmp; - set_time(NVRAM, &tm); - } + tmp = from_bcd(val & 0x3F); + if (tmp != 0) { + get_time(NVRAM, &tm); + tm.tm_mday = tmp; + set_time(NVRAM, &tm); + } break; case 0x1FFE: case 0x07FE: /* month */ - tmp = from_bcd(val & 0x1F); - if (tmp >= 1 && tmp <= 12) { - get_time(NVRAM, &tm); - tm.tm_mon = tmp - 1; - set_time(NVRAM, &tm); - } + tmp = from_bcd(val & 0x1F); + if (tmp >= 1 && tmp <= 12) { + get_time(NVRAM, &tm); + tm.tm_mon = tmp - 1; + set_time(NVRAM, &tm); + } break; case 0x1FFF: case 0x07FF: /* year */ - tmp = from_bcd(val); - if (tmp >= 0 && tmp <= 99) { - get_time(NVRAM, &tm); + tmp = from_bcd(val); + if (tmp >= 0 && tmp <= 99) { + get_time(NVRAM, &tm); tm.tm_year = from_bcd(val) + NVRAM->base_year - 1900; - set_time(NVRAM, &tm); - } + set_time(NVRAM, &tm); + } break; default: /* Check lock registers state */ @@ -346,7 +346,7 @@ void m48t59_write(M48t59State *NVRAM, uint32_t addr, uint32_t val) do_write: if (addr < NVRAM->size) { NVRAM->buffer[addr] = val & 0xFF; - } + } break; } } @@ -367,34 +367,34 @@ uint32_t m48t59_read(M48t59State *NVRAM, uint32_t addr) switch (addr) { case 0x1FF0: /* flags register */ - goto do_read; + goto do_read; case 0x1FF1: /* unused */ - retval = 0; + retval = 0; break; case 0x1FF2: /* alarm seconds */ - goto do_read; + goto do_read; case 0x1FF3: /* alarm minutes */ - goto do_read; + goto do_read; case 0x1FF4: /* alarm hours */ - goto do_read; + goto do_read; case 0x1FF5: /* alarm date */ - goto do_read; + goto do_read; case 0x1FF6: /* interrupts */ - goto do_read; + goto do_read; case 0x1FF7: - /* A read resets the watchdog */ - set_up_watchdog(NVRAM, NVRAM->buffer[0x1FF7]); - goto do_read; + /* A read resets the watchdog */ + set_up_watchdog(NVRAM, NVRAM->buffer[0x1FF7]); + goto do_read; case 0x1FF8: case 0x07F8: /* control */ - goto do_read; + goto do_read; case 0x1FF9: case 0x07F9: /* seconds (BCD) */ @@ -446,7 +446,7 @@ uint32_t m48t59_read(M48t59State *NVRAM, uint32_t addr) do_read: if (addr < NVRAM->size) { retval = NVRAM->buffer[addr]; - } + } break; } trace_m48txx_nvram_mem_read(addr, retval); |