diff options
| -rw-r--r-- | hw/fdc.c | 33 |
1 files changed, 16 insertions, 17 deletions
@@ -1079,15 +1079,12 @@ static void fdctrl_reset_fifo(FDCtrl *fdctrl) } /* Set FIFO status for the host to read */ -static void fdctrl_set_fifo(FDCtrl *fdctrl, int fifo_len, uint8_t status0) +static void fdctrl_set_fifo(FDCtrl *fdctrl, int fifo_len) { fdctrl->data_dir = FD_DIR_READ; fdctrl->data_len = fifo_len; fdctrl->data_pos = 0; fdctrl->msr |= FD_MSR_CMDBUSY | FD_MSR_RQM | FD_MSR_DIO; - if (status0) { - fdctrl_raise_irq(fdctrl, status0); - } } /* Set an error: unimplemented/unknown command */ @@ -1096,7 +1093,7 @@ static void fdctrl_unimplemented(FDCtrl *fdctrl, int direction) qemu_log_mask(LOG_UNIMP, "fdc: unimplemented command 0x%02x\n", fdctrl->fifo[0]); fdctrl->fifo[0] = FD_SR0_INVCMD; - fdctrl_set_fifo(fdctrl, 1, 0); + fdctrl_set_fifo(fdctrl, 1); } /* Seek to next sector @@ -1170,7 +1167,9 @@ static void fdctrl_stop_transfer(FDCtrl *fdctrl, uint8_t status0, } fdctrl->msr |= FD_MSR_RQM | FD_MSR_DIO; fdctrl->msr &= ~FD_MSR_NONDMA; - fdctrl_set_fifo(fdctrl, 7, fdctrl->status0); + + fdctrl_set_fifo(fdctrl, 7); + fdctrl_raise_irq(fdctrl, fdctrl->status0); } /* Prepare a data transfer (either DMA or FIFO) */ @@ -1536,7 +1535,7 @@ static void fdctrl_handle_lock(FDCtrl *fdctrl, int direction) { fdctrl->lock = (fdctrl->fifo[0] & 0x80) ? 1 : 0; fdctrl->fifo[0] = fdctrl->lock << 4; - fdctrl_set_fifo(fdctrl, 1, 0); + fdctrl_set_fifo(fdctrl, 1); } static void fdctrl_handle_dumpreg(FDCtrl *fdctrl, int direction) @@ -1561,20 +1560,20 @@ static void fdctrl_handle_dumpreg(FDCtrl *fdctrl, int direction) (cur_drv->perpendicular << 2); fdctrl->fifo[8] = fdctrl->config; fdctrl->fifo[9] = fdctrl->precomp_trk; - fdctrl_set_fifo(fdctrl, 10, 0); + fdctrl_set_fifo(fdctrl, 10); } static void fdctrl_handle_version(FDCtrl *fdctrl, int direction) { /* Controller's version */ fdctrl->fifo[0] = fdctrl->version; - fdctrl_set_fifo(fdctrl, 1, 0); + fdctrl_set_fifo(fdctrl, 1); } static void fdctrl_handle_partid(FDCtrl *fdctrl, int direction) { fdctrl->fifo[0] = 0x41; /* Stepping 1 */ - fdctrl_set_fifo(fdctrl, 1, 0); + fdctrl_set_fifo(fdctrl, 1); } static void fdctrl_handle_restore(FDCtrl *fdctrl, int direction) @@ -1627,7 +1626,7 @@ static void fdctrl_handle_save(FDCtrl *fdctrl, int direction) fdctrl->fifo[12] = fdctrl->pwrd; fdctrl->fifo[13] = 0; fdctrl->fifo[14] = 0; - fdctrl_set_fifo(fdctrl, 15, 0); + fdctrl_set_fifo(fdctrl, 15); } static void fdctrl_handle_readid(FDCtrl *fdctrl, int direction) @@ -1693,7 +1692,7 @@ static void fdctrl_handle_sense_drive_status(FDCtrl *fdctrl, int direction) (cur_drv->head << 2) | GET_CUR_DRV(fdctrl) | 0x28; - fdctrl_set_fifo(fdctrl, 1, 0); + fdctrl_set_fifo(fdctrl, 1); } static void fdctrl_handle_recalibrate(FDCtrl *fdctrl, int direction) @@ -1718,7 +1717,7 @@ static void fdctrl_handle_sense_interrupt_status(FDCtrl *fdctrl, int direction) fdctrl->reset_sensei--; } else if (!(fdctrl->sra & FD_SRA_INTPEND)) { fdctrl->fifo[0] = FD_SR0_INVCMD; - fdctrl_set_fifo(fdctrl, 1, 0); + fdctrl_set_fifo(fdctrl, 1); return; } else { fdctrl->fifo[0] = @@ -1727,7 +1726,7 @@ static void fdctrl_handle_sense_interrupt_status(FDCtrl *fdctrl, int direction) } fdctrl->fifo[1] = cur_drv->track; - fdctrl_set_fifo(fdctrl, 2, 0); + fdctrl_set_fifo(fdctrl, 2); fdctrl_reset_irq(fdctrl); fdctrl->status0 = FD_SR0_RDYCHG; } @@ -1769,7 +1768,7 @@ static void fdctrl_handle_powerdown_mode(FDCtrl *fdctrl, int direction) { fdctrl->pwrd = fdctrl->fifo[1]; fdctrl->fifo[0] = fdctrl->fifo[1]; - fdctrl_set_fifo(fdctrl, 1, 0); + fdctrl_set_fifo(fdctrl, 1); } static void fdctrl_handle_option(FDCtrl *fdctrl, int direction) @@ -1788,7 +1787,7 @@ static void fdctrl_handle_drive_specification_command(FDCtrl *fdctrl, int direct fdctrl->fifo[0] = fdctrl->fifo[1]; fdctrl->fifo[2] = 0; fdctrl->fifo[3] = 0; - fdctrl_set_fifo(fdctrl, 4, 0); + fdctrl_set_fifo(fdctrl, 4); } else { fdctrl_reset_fifo(fdctrl); } @@ -1796,7 +1795,7 @@ static void fdctrl_handle_drive_specification_command(FDCtrl *fdctrl, int direct /* ERROR */ fdctrl->fifo[0] = 0x80 | (cur_drv->head << 2) | GET_CUR_DRV(fdctrl); - fdctrl_set_fifo(fdctrl, 1, 0); + fdctrl_set_fifo(fdctrl, 1); } } |