diff options
| -rw-r--r-- | hw/ide/macio.c | 43 | ||||
| -rw-r--r-- | hw/misc/macio/mac_dbdma.c | 14 |
2 files changed, 51 insertions, 6 deletions
diff --git a/hw/ide/macio.c b/hw/ide/macio.c index 60b64ac22b..8d42b5c2bb 100644 --- a/hw/ide/macio.c +++ b/hw/ide/macio.c @@ -30,6 +30,22 @@ #include <hw/ide/internal.h> +/* debug MACIO */ +// #define DEBUG_MACIO + +#ifdef DEBUG_MACIO +static const int debug_macio = 1; +#else +static const int debug_macio = 0; +#endif + +#define MACIO_DPRINTF(fmt, ...) do { \ + if (debug_macio) { \ + printf(fmt , ## __VA_ARGS__); \ + } \ + } while (0) + + /***********************************************************/ /* MacIO based PowerPC IDE */ @@ -48,6 +64,8 @@ static void pmac_ide_atapi_transfer_cb(void *opaque, int ret) goto done; } + MACIO_DPRINTF("io_buffer_size = %#x\n", s->io_buffer_size); + if (s->io_buffer_size > 0) { m->aiocb = NULL; qemu_sglist_destroy(&s->sg); @@ -59,15 +77,20 @@ static void pmac_ide_atapi_transfer_cb(void *opaque, int ret) s->io_buffer_index &= 0x7ff; } - if (s->packet_transfer_size <= 0) + if (s->packet_transfer_size <= 0) { + MACIO_DPRINTF("end of transfer\n"); ide_atapi_cmd_ok(s); + } if (io->len == 0) { + MACIO_DPRINTF("end of DMA\n"); goto done; } /* launch next transfer */ + MACIO_DPRINTF("io->len = %#x\n", io->len); + s->io_buffer_size = io->len; qemu_sglist_init(&s->sg, DEVICE(m), io->len / MACIO_PAGE_SIZE + 1, @@ -76,12 +99,17 @@ static void pmac_ide_atapi_transfer_cb(void *opaque, int ret) io->addr += io->len; io->len = 0; + MACIO_DPRINTF("sector_num=%d size=%d, cmd_cmd=%d\n", + (s->lba << 2) + (s->io_buffer_index >> 9), + s->packet_transfer_size, s->dma_cmd); + 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); return; done: + MACIO_DPRINTF("done DMA\n"); bdrv_acct_done(s->bs, &s->acct); io->dma_end(opaque); } @@ -95,6 +123,7 @@ static void pmac_ide_transfer_cb(void *opaque, int ret) int64_t sector_num; if (ret < 0) { + MACIO_DPRINTF("DMA error\n"); m->aiocb = NULL; qemu_sglist_destroy(&s->sg); ide_dma_error(s); @@ -102,6 +131,7 @@ static void pmac_ide_transfer_cb(void *opaque, int ret) } sector_num = ide_get_sector(s); + MACIO_DPRINTF("io_buffer_size = %#x\n", s->io_buffer_size); if (s->io_buffer_size > 0) { m->aiocb = NULL; qemu_sglist_destroy(&s->sg); @@ -111,14 +141,14 @@ static void pmac_ide_transfer_cb(void *opaque, int ret) s->nsector -= n; } - /* end of transfer ? */ if (s->nsector == 0) { + MACIO_DPRINTF("end of transfer\n"); s->status = READY_STAT | SEEK_STAT; ide_set_irq(s->bus); } - /* end of DMA ? */ if (io->len == 0) { + MACIO_DPRINTF("end of DMA\n"); goto done; } @@ -127,12 +157,17 @@ static void pmac_ide_transfer_cb(void *opaque, int ret) s->io_buffer_index = 0; s->io_buffer_size = io->len; + MACIO_DPRINTF("io->len = %#x\n", io->len); + qemu_sglist_init(&s->sg, DEVICE(m), io->len / MACIO_PAGE_SIZE + 1, &address_space_memory); qemu_sglist_add(&s->sg, io->addr, io->len); io->addr += io->len; io->len = 0; + MACIO_DPRINTF("sector_num=%" PRId64 " n=%d, nsector=%d, cmd_cmd=%d\n", + sector_num, n, s->nsector, s->dma_cmd); + switch (s->dma_cmd) { case IDE_DMA_READ: m->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, @@ -162,6 +197,8 @@ static void pmac_ide_transfer(DBDMA_io *io) MACIOIDEState *m = io->opaque; IDEState *s = idebus_active_if(&m->bus); + MACIO_DPRINTF("\n"); + s->io_buffer_size = 0; if (s->drive_kind == IDE_CD) { bdrv_acct_start(s->bs, &s->acct, io->len, BDRV_ACCT_READ); diff --git a/hw/misc/macio/mac_dbdma.c b/hw/misc/macio/mac_dbdma.c index fc46727762..0d7f40bf32 100644 --- a/hw/misc/macio/mac_dbdma.c +++ b/hw/misc/macio/mac_dbdma.c @@ -224,7 +224,7 @@ static void conditional_interrupt(DBDMA_channel *ch) uint32_t status; int cond; - DBDMA_DPRINTF("conditional_interrupt\n"); + DBDMA_DPRINTF("%s\n", __func__); intr = le16_to_cpu(current->command) & INTR_MASK; @@ -233,6 +233,7 @@ static void conditional_interrupt(DBDMA_channel *ch) return; case INTR_ALWAYS: /* always interrupt */ qemu_irq_raise(ch->irq); + DBDMA_DPRINTF("%s: raise\n", __func__); return; } @@ -245,12 +246,16 @@ static void conditional_interrupt(DBDMA_channel *ch) switch(intr) { case INTR_IFSET: /* intr if condition bit is 1 */ - if (cond) + if (cond) { qemu_irq_raise(ch->irq); + DBDMA_DPRINTF("%s: raise\n", __func__); + } return; case INTR_IFCLR: /* intr if condition bit is 0 */ - if (!cond) + if (!cond) { qemu_irq_raise(ch->irq); + DBDMA_DPRINTF("%s: raise\n", __func__); + } return; } } @@ -368,6 +373,8 @@ static void dbdma_end(DBDMA_io *io) DBDMA_channel *ch = io->channel; dbdma_cmd *current = &ch->current; + DBDMA_DPRINTF("%s\n", __func__); + if (conditional_wait(ch)) goto wait; @@ -422,6 +429,7 @@ static void start_input(DBDMA_channel *ch, int key, uint32_t addr, * are not implemented in the mac-io chip */ + DBDMA_DPRINTF("addr 0x%x key 0x%x\n", addr, key); if (!addr || key > KEY_STREAM3) { kill_channel(ch); return; |