diff options
Diffstat (limited to 'hw/ide.c')
| -rw-r--r-- | hw/ide.c | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/hw/ide.c b/hw/ide.c index 14f74a4ab4..4a12ea8878 100644 --- a/hw/ide.c +++ b/hw/ide.c @@ -31,8 +31,6 @@ #include "block_int.h" #include "qemu-timer.h" #include "sysemu.h" -#include "ppc_mac.h" -#include "mac_dbdma.h" #include "sh.h" #include "dma.h" #include "ide-internal.h" @@ -2701,331 +2699,6 @@ void ide_dma_cancel(BMDMAState *bm) } } -#if defined(TARGET_PPC) -/***********************************************************/ -/* MacIO based PowerPC IDE */ - -typedef struct MACIOIDEState { - IDEBus bus; - BlockDriverAIOCB *aiocb; -} MACIOIDEState; - -static void pmac_ide_atapi_transfer_cb(void *opaque, int ret) -{ - DBDMA_io *io = opaque; - MACIOIDEState *m = io->opaque; - IDEState *s = idebus_active_if(&m->bus); - - if (ret < 0) { - m->aiocb = NULL; - qemu_sglist_destroy(&s->sg); - ide_atapi_io_error(s, ret); - io->dma_end(opaque); - return; - } - - if (s->io_buffer_size > 0) { - m->aiocb = NULL; - qemu_sglist_destroy(&s->sg); - - s->packet_transfer_size -= s->io_buffer_size; - - s->io_buffer_index += s->io_buffer_size; - s->lba += s->io_buffer_index >> 11; - s->io_buffer_index &= 0x7ff; - } - - if (s->packet_transfer_size <= 0) - ide_atapi_cmd_ok(s); - - if (io->len == 0) { - io->dma_end(opaque); - return; - } - - /* launch next transfer */ - - s->io_buffer_size = io->len; - - qemu_sglist_init(&s->sg, io->len / TARGET_PAGE_SIZE + 1); - qemu_sglist_add(&s->sg, io->addr, io->len); - io->addr += io->len; - io->len = 0; - - m->aiocb = dma_bdrv_read(s->bs, &s->sg, - (int64_t)(s->lba << 2) + (s->io_buffer_index >> 9), - pmac_ide_atapi_transfer_cb, io); - if (!m->aiocb) { - qemu_sglist_destroy(&s->sg); - /* Note: media not present is the most likely case */ - ide_atapi_cmd_error(s, SENSE_NOT_READY, - ASC_MEDIUM_NOT_PRESENT); - io->dma_end(opaque); - return; - } -} - -static void pmac_ide_transfer_cb(void *opaque, int ret) -{ - DBDMA_io *io = opaque; - MACIOIDEState *m = io->opaque; - IDEState *s = idebus_active_if(&m->bus); - int n; - int64_t sector_num; - - if (ret < 0) { - m->aiocb = NULL; - qemu_sglist_destroy(&s->sg); - ide_dma_error(s); - io->dma_end(io); - return; - } - - sector_num = ide_get_sector(s); - if (s->io_buffer_size > 0) { - m->aiocb = NULL; - qemu_sglist_destroy(&s->sg); - n = (s->io_buffer_size + 0x1ff) >> 9; - sector_num += n; - ide_set_sector(s, sector_num); - s->nsector -= n; - } - - /* end of transfer ? */ - if (s->nsector == 0) { - s->status = READY_STAT | SEEK_STAT; - ide_set_irq(s); - } - - /* end of DMA ? */ - - if (io->len == 0) { - io->dma_end(io); - return; - } - - /* launch next transfer */ - - s->io_buffer_index = 0; - s->io_buffer_size = io->len; - - qemu_sglist_init(&s->sg, io->len / TARGET_PAGE_SIZE + 1); - qemu_sglist_add(&s->sg, io->addr, io->len); - io->addr += io->len; - io->len = 0; - - if (s->is_read) - m->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, - pmac_ide_transfer_cb, io); - else - m->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, - pmac_ide_transfer_cb, io); - if (!m->aiocb) - pmac_ide_transfer_cb(io, -1); -} - -static void pmac_ide_transfer(DBDMA_io *io) -{ - MACIOIDEState *m = io->opaque; - IDEState *s = idebus_active_if(&m->bus); - - s->io_buffer_size = 0; - if (s->is_cdrom) { - pmac_ide_atapi_transfer_cb(io, 0); - return; - } - - pmac_ide_transfer_cb(io, 0); -} - -static void pmac_ide_flush(DBDMA_io *io) -{ - MACIOIDEState *m = io->opaque; - - if (m->aiocb) - qemu_aio_flush(); -} - -/* PowerMac IDE memory IO */ -static void pmac_ide_writeb (void *opaque, - target_phys_addr_t addr, uint32_t val) -{ - MACIOIDEState *d = opaque; - - addr = (addr & 0xFFF) >> 4; - switch (addr) { - case 1 ... 7: - ide_ioport_write(&d->bus, addr, val); - break; - case 8: - case 22: - ide_cmd_write(&d->bus, 0, val); - break; - default: - break; - } -} - -static uint32_t pmac_ide_readb (void *opaque,target_phys_addr_t addr) -{ - uint8_t retval; - MACIOIDEState *d = opaque; - - addr = (addr & 0xFFF) >> 4; - switch (addr) { - case 1 ... 7: - retval = ide_ioport_read(&d->bus, addr); - break; - case 8: - case 22: - retval = ide_status_read(&d->bus, 0); - break; - default: - retval = 0xFF; - break; - } - return retval; -} - -static void pmac_ide_writew (void *opaque, - target_phys_addr_t addr, uint32_t val) -{ - MACIOIDEState *d = opaque; - - addr = (addr & 0xFFF) >> 4; -#ifdef TARGET_WORDS_BIGENDIAN - val = bswap16(val); -#endif - if (addr == 0) { - ide_data_writew(&d->bus, 0, val); - } -} - -static uint32_t pmac_ide_readw (void *opaque,target_phys_addr_t addr) -{ - uint16_t retval; - MACIOIDEState *d = opaque; - - addr = (addr & 0xFFF) >> 4; - if (addr == 0) { - retval = ide_data_readw(&d->bus, 0); - } else { - retval = 0xFFFF; - } -#ifdef TARGET_WORDS_BIGENDIAN - retval = bswap16(retval); -#endif - return retval; -} - -static void pmac_ide_writel (void *opaque, - target_phys_addr_t addr, uint32_t val) -{ - MACIOIDEState *d = opaque; - - addr = (addr & 0xFFF) >> 4; -#ifdef TARGET_WORDS_BIGENDIAN - val = bswap32(val); -#endif - if (addr == 0) { - ide_data_writel(&d->bus, 0, val); - } -} - -static uint32_t pmac_ide_readl (void *opaque,target_phys_addr_t addr) -{ - uint32_t retval; - MACIOIDEState *d = opaque; - - addr = (addr & 0xFFF) >> 4; - if (addr == 0) { - retval = ide_data_readl(&d->bus, 0); - } else { - retval = 0xFFFFFFFF; - } -#ifdef TARGET_WORDS_BIGENDIAN - retval = bswap32(retval); -#endif - return retval; -} - -static CPUWriteMemoryFunc * const pmac_ide_write[] = { - pmac_ide_writeb, - pmac_ide_writew, - pmac_ide_writel, -}; - -static CPUReadMemoryFunc * const pmac_ide_read[] = { - pmac_ide_readb, - pmac_ide_readw, - pmac_ide_readl, -}; - -static void pmac_ide_save(QEMUFile *f, void *opaque) -{ - MACIOIDEState *d = opaque; - unsigned int i; - - /* per IDE interface data */ - idebus_save(f, &d->bus); - - /* per IDE drive data */ - for(i = 0; i < 2; i++) { - ide_save(f, &d->bus.ifs[i]); - } -} - -static int pmac_ide_load(QEMUFile *f, void *opaque, int version_id) -{ - MACIOIDEState *d = opaque; - unsigned int i; - - if (version_id != 1 && version_id != 3) - return -EINVAL; - - /* per IDE interface data */ - idebus_load(f, &d->bus, version_id); - - /* per IDE drive data */ - for(i = 0; i < 2; i++) { - ide_load(f, &d->bus.ifs[i], version_id); - } - return 0; -} - -static void pmac_ide_reset(void *opaque) -{ - MACIOIDEState *d = opaque; - - ide_reset(d->bus.ifs +0); - ide_reset(d->bus.ifs +1); -} - -/* hd_table must contain 4 block drivers */ -/* PowerMac uses memory mapped registers, not I/O. Return the memory - I/O index to access the ide. */ -int pmac_ide_init (BlockDriverState **hd_table, qemu_irq irq, - void *dbdma, int channel, qemu_irq dma_irq) -{ - MACIOIDEState *d; - int pmac_ide_memory; - - d = qemu_mallocz(sizeof(MACIOIDEState)); - ide_init2(&d->bus, hd_table[0], hd_table[1], irq); - - if (dbdma) - DBDMA_register_channel(dbdma, channel, dma_irq, pmac_ide_transfer, pmac_ide_flush, d); - - pmac_ide_memory = cpu_register_io_memory(pmac_ide_read, - pmac_ide_write, d); - register_savevm("ide", 0, 3, pmac_ide_save, pmac_ide_load, d); - qemu_register_reset(pmac_ide_reset, d); - pmac_ide_reset(d); - - return pmac_ide_memory; -} -#endif /* TARGET_PPC */ - /***********************************************************/ /* MMIO based ide port * This emulates IDE device connected directly to the CPU bus without |