diff options
Diffstat (limited to 'hw/ide')
| -rw-r--r-- | hw/ide/microdrive.c | 62 |
1 files changed, 38 insertions, 24 deletions
diff --git a/hw/ide/microdrive.c b/hw/ide/microdrive.c index cdf0eb9ce7..21d6495817 100644 --- a/hw/ide/microdrive.c +++ b/hw/ide/microdrive.c @@ -103,10 +103,12 @@ static inline void md_interrupt_update(MicroDriveState *s) static void md_set_irq(void *opaque, int irq, int level) { MicroDriveState *s = opaque; - if (level) + + if (level) { s->stat |= STAT_INT; - else + } else { s->stat &= ~STAT_INT; + } md_interrupt_update(s); } @@ -142,10 +144,11 @@ static uint8_t md_attr_read(PCMCIACardState *card, uint32_t at) case 0x00: /* Configuration Option Register */ return s->opt; case 0x02: /* Card Configuration Status Register */ - if (s->ctrl & CTRL_IEN) + if (s->ctrl & CTRL_IEN) { return s->stat & ~STAT_INT; - else + } else { return s->stat; + } case 0x04: /* Pin Replacement Register */ return (s->pins & PINS_CRDY) | 0x0c; case 0x06: /* Socket and Copy Register */ @@ -174,8 +177,9 @@ static void md_attr_write(PCMCIACardState *card, uint32_t at, uint8_t value) md_interrupt_update(s); break; case 0x02: /* Card Configuration Status Register */ - if ((s->stat ^ value) & STAT_PWRDWN) + if ((s->stat ^ value) & STAT_PWRDWN) { s->pins |= PINS_CRDY; + } s->stat &= 0x82; s->stat |= value & 0x74; md_interrupt_update(s); @@ -201,23 +205,26 @@ static uint16_t md_common_read(PCMCIACardState *card, uint32_t at) switch (s->opt & OPT_MODE) { case OPT_MODE_MMAP: - if ((at & ~0x3ff) == 0x400) + if ((at & ~0x3ff) == 0x400) { at = 0; + } break; case OPT_MODE_IOMAP16: at &= 0xf; break; case OPT_MODE_IOMAP1: - if ((at & ~0xf) == 0x3f0) + if ((at & ~0xf) == 0x3f0) { at -= 0x3e8; - else if ((at & ~0xf) == 0x1f0) + } else if ((at & ~0xf) == 0x1f0) { at -= 0x1f0; + } break; case OPT_MODE_IOMAP2: - if ((at & ~0xf) == 0x370) + if ((at & ~0xf) == 0x370) { at -= 0x368; - else if ((at & ~0xf) == 0x170) + } else if ((at & ~0xf) == 0x170) { at -= 0x170; + } } switch (at) { @@ -226,9 +233,9 @@ static uint16_t md_common_read(PCMCIACardState *card, uint32_t at) return ide_data_readw(&s->bus, 0); /* TODO: 8-bit accesses */ - if (s->cycle) + if (s->cycle) { ret = s->io >> 8; - else { + } else { s->io = ide_data_readw(&s->bus, 0); ret = s->io & 0xff; } @@ -240,10 +247,11 @@ static uint16_t md_common_read(PCMCIACardState *card, uint32_t at) return ide_ioport_read(&s->bus, 0x1); case 0xe: /* Alternate Status */ ifs = idebus_active_if(&s->bus); - if (ifs->bs) + if (ifs->bs) { return ifs->status; - else + } else { return 0; + } case 0xf: /* Device Address */ ifs = idebus_active_if(&s->bus); return 0xc2 | ((~ifs->select << 2) & 0x3c); @@ -261,23 +269,26 @@ static void md_common_write(PCMCIACardState *card, uint32_t at, uint16_t value) switch (s->opt & OPT_MODE) { case OPT_MODE_MMAP: - if ((at & ~0x3ff) == 0x400) + if ((at & ~0x3ff) == 0x400) { at = 0; + } break; case OPT_MODE_IOMAP16: at &= 0xf; break; case OPT_MODE_IOMAP1: - if ((at & ~0xf) == 0x3f0) + if ((at & ~0xf) == 0x3f0) { at -= 0x3e8; - else if ((at & ~0xf) == 0x1f0) + } else if ((at & ~0xf) == 0x1f0) { at -= 0x1f0; + } break; case OPT_MODE_IOMAP2: - if ((at & ~0xf) == 0x370) + if ((at & ~0xf) == 0x370) { at -= 0x368; - else if ((at & ~0xf) == 0x170) + } else if ((at & ~0xf) == 0x170) { at -= 0x170; + } } switch (at) { @@ -287,10 +298,11 @@ static void md_common_write(PCMCIACardState *card, uint32_t at, uint16_t value) break; /* TODO: 8-bit accesses */ - if (s->cycle) + if (s->cycle) { ide_data_writew(&s->bus, 0, s->io | (value << 8)); - else + } else { s->io = value & 0xff; + } s->cycle = !s->cycle; break; case 0x9: @@ -546,8 +558,10 @@ static int dscm1xxxx_detach(PCMCIACardState *card) PCMCIACardState *dscm1xxxx_init(DriveInfo *dinfo) { - MicroDriveState *md = MICRODRIVE(object_new(TYPE_DSCM1XXXX)); - PCMCIACardState *card = PCMCIA_CARD(md); + MicroDriveState *md; + + md = MICRODRIVE(object_new(TYPE_DSCM1XXXX)); + qdev_init_nofail(DEVICE(md)); if (dinfo != NULL) { ide_create_drive(&md->bus, 0, dinfo); @@ -556,7 +570,7 @@ PCMCIACardState *dscm1xxxx_init(DriveInfo *dinfo) md->bus.ifs[0].mdata_size = METADATA_SIZE; md->bus.ifs[0].mdata_storage = (uint8_t *) g_malloc0(METADATA_SIZE); - return card; + return PCMCIA_CARD(md); } static void dscm1xxxx_class_init(ObjectClass *oc, void *data) |