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author | Kevin Wolf <kwolf@redhat.com> | 2013-06-18 10:26:01 +0200 |
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committer | Stefan Hajnoczi <stefanha@redhat.com> | 2013-06-24 10:25:15 +0200 |
commit | 0e6498ed65e5f237b163f0bda9f689426dbf6ff0 (patch) | |
tree | 4e5fdbf04b34c03910ce60d0565d35353d574a3a /hw/ide | |
parent | adf3a2c46e0b2ed9085df9aca3af76ff83731e98 (diff) | |
download | qemu-0e6498ed65e5f237b163f0bda9f689426dbf6ff0.zip qemu-0e6498ed65e5f237b163f0bda9f689426dbf6ff0.tar.gz qemu-0e6498ed65e5f237b163f0bda9f689426dbf6ff0.tar.bz2 |
ide: Convert PIO read/write commands to ide_cmd_table handler
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw/ide')
-rw-r--r-- | hw/ide/core.c | 93 |
1 files changed, 50 insertions, 43 deletions
diff --git a/hw/ide/core.c b/hw/ide/core.c index e6cd7b8..86af4b0 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -1110,6 +1110,48 @@ static bool cmd_write_multiple(IDEState *s, uint8_t cmd) return false; } +static bool cmd_read_pio(IDEState *s, uint8_t cmd) +{ + bool lba48 = (cmd == WIN_READ_EXT); + + if (s->drive_kind == IDE_CD) { + ide_set_signature(s); /* odd, but ATA4 8.27.5.2 requires it */ + ide_abort_command(s); + return true; + } + + if (!s->bs) { + ide_abort_command(s); + return true; + } + + ide_cmd_lba48_transform(s, lba48); + s->req_nb_sectors = 1; + ide_sector_read(s); + + return false; +} + +static bool cmd_write_pio(IDEState *s, uint8_t cmd) +{ + bool lba48 = (cmd == WIN_WRITE_EXT); + + if (!s->bs) { + ide_abort_command(s); + return true; + } + + ide_cmd_lba48_transform(s, lba48); + + s->req_nb_sectors = 1; + s->status = SEEK_STAT | READY_STAT; + ide_transfer_start(s, s->io_buffer, 512, ide_sector_write); + + s->media_changed = 1; + + return false; +} + #define HD_OK (1u << IDE_HD) #define CD_OK (1u << IDE_CD) #define CFA_OK (1u << IDE_CFATA) @@ -1130,19 +1172,19 @@ static const struct { [WIN_DSM] = { cmd_data_set_management, ALL_OK }, [WIN_DEVICE_RESET] = { NULL, CD_OK }, [WIN_RECAL] = { cmd_nop, HD_CFA_OK | SET_DSC}, - [WIN_READ] = { NULL, ALL_OK }, - [WIN_READ_ONCE] = { NULL, ALL_OK }, - [WIN_READ_EXT] = { NULL, HD_CFA_OK }, + [WIN_READ] = { cmd_read_pio, ALL_OK }, + [WIN_READ_ONCE] = { cmd_read_pio, ALL_OK }, + [WIN_READ_EXT] = { cmd_read_pio, HD_CFA_OK }, [WIN_READDMA_EXT] = { NULL, HD_CFA_OK }, [WIN_READ_NATIVE_MAX_EXT] = { NULL, HD_CFA_OK }, [WIN_MULTREAD_EXT] = { cmd_read_multiple, HD_CFA_OK }, - [WIN_WRITE] = { NULL, HD_CFA_OK }, - [WIN_WRITE_ONCE] = { NULL, HD_CFA_OK }, - [WIN_WRITE_EXT] = { NULL, HD_CFA_OK }, + [WIN_WRITE] = { cmd_write_pio, HD_CFA_OK }, + [WIN_WRITE_ONCE] = { cmd_write_pio, HD_CFA_OK }, + [WIN_WRITE_EXT] = { cmd_write_pio, HD_CFA_OK }, [WIN_WRITEDMA_EXT] = { NULL, HD_CFA_OK }, - [CFA_WRITE_SECT_WO_ERASE] = { NULL, CFA_OK }, + [CFA_WRITE_SECT_WO_ERASE] = { cmd_write_pio, CFA_OK }, [WIN_MULTWRITE_EXT] = { cmd_write_multiple, HD_CFA_OK }, - [WIN_WRITE_VERIFY] = { NULL, HD_CFA_OK }, + [WIN_WRITE_VERIFY] = { cmd_write_pio, HD_CFA_OK }, [WIN_VERIFY] = { cmd_verify, HD_CFA_OK | SET_DSC }, [WIN_VERIFY_ONCE] = { cmd_verify, HD_CFA_OK | SET_DSC }, [WIN_VERIFY_EXT] = { cmd_verify, HD_CFA_OK | SET_DSC }, @@ -1235,41 +1277,6 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val) } switch(val) { - case WIN_READ_EXT: - lba48 = 1; - /* fall through */ - case WIN_READ: - case WIN_READ_ONCE: - if (s->drive_kind == IDE_CD) { - ide_set_signature(s); /* odd, but ATA4 8.27.5.2 requires it */ - goto abort_cmd; - } - if (!s->bs) { - goto abort_cmd; - } - ide_cmd_lba48_transform(s, lba48); - s->req_nb_sectors = 1; - ide_sector_read(s); - break; - - case WIN_WRITE_EXT: - lba48 = 1; - /* fall through */ - case WIN_WRITE: - case WIN_WRITE_ONCE: - case CFA_WRITE_SECT_WO_ERASE: - case WIN_WRITE_VERIFY: - if (!s->bs) { - goto abort_cmd; - } - ide_cmd_lba48_transform(s, lba48); - s->error = 0; - s->status = SEEK_STAT | READY_STAT; - s->req_nb_sectors = 1; - ide_transfer_start(s, s->io_buffer, 512, ide_sector_write); - s->media_changed = 1; - break; - case WIN_READDMA_EXT: lba48 = 1; /* fall through */ |