diff options
Diffstat (limited to 'hw/fdc.c')
| -rw-r--r-- | hw/fdc.c | 97 |
1 files changed, 96 insertions, 1 deletions
@@ -1,7 +1,7 @@ /* * QEMU Floppy disk emulator (Intel 82078) * - * Copyright (c) 2003 Jocelyn Mayer + * Copyright (c) 2003, 2007 Jocelyn Mayer * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -485,6 +485,99 @@ static CPUWriteMemoryFunc *fdctrl_mem_write[3] = { fdctrl_write_mem, }; +static void fd_save (QEMUFile *f, fdrive_t *fd) +{ + uint8_t tmp; + + tmp = fd->drflags; + qemu_put_8s(f, &tmp); + qemu_put_8s(f, &fd->head); + qemu_put_8s(f, &fd->track); + qemu_put_8s(f, &fd->sect); + qemu_put_8s(f, &fd->dir); + qemu_put_8s(f, &fd->rw); +} + +static void fdc_save (QEMUFile *f, void *opaque) +{ + fdctrl_t *s = opaque; + + qemu_put_8s(f, &s->state); + qemu_put_8s(f, &s->dma_en); + qemu_put_8s(f, &s->cur_drv); + qemu_put_8s(f, &s->bootsel); + qemu_put_buffer(f, s->fifo, FD_SECTOR_LEN); + qemu_put_be32s(f, &s->data_pos); + qemu_put_be32s(f, &s->data_len); + qemu_put_8s(f, &s->data_state); + qemu_put_8s(f, &s->data_dir); + qemu_put_8s(f, &s->int_status); + qemu_put_8s(f, &s->eot); + qemu_put_8s(f, &s->timer0); + qemu_put_8s(f, &s->timer1); + qemu_put_8s(f, &s->precomp_trk); + qemu_put_8s(f, &s->config); + qemu_put_8s(f, &s->lock); + qemu_put_8s(f, &s->pwrd); + fd_save(f, &s->drives[0]); + fd_save(f, &s->drives[1]); +} + +static int fd_load (QEMUFile *f, fdrive_t *fd) +{ + uint8_t tmp; + + qemu_get_8s(f, &tmp); + fd->drflags = tmp; + qemu_get_8s(f, &fd->head); + qemu_get_8s(f, &fd->track); + qemu_get_8s(f, &fd->sect); + qemu_get_8s(f, &fd->dir); + qemu_get_8s(f, &fd->rw); + + return 0; +} + +static int fdc_load (QEMUFile *f, void *opaque, int version_id) +{ + fdctrl_t *s = opaque; + int ret; + + if (version_id != 1) + return -EINVAL; + + qemu_get_8s(f, &s->state); + qemu_get_8s(f, &s->dma_en); + qemu_get_8s(f, &s->cur_drv); + qemu_get_8s(f, &s->bootsel); + qemu_get_buffer(f, s->fifo, FD_SECTOR_LEN); + qemu_get_be32s(f, &s->data_pos); + qemu_get_be32s(f, &s->data_len); + qemu_get_8s(f, &s->data_state); + qemu_get_8s(f, &s->data_dir); + qemu_get_8s(f, &s->int_status); + qemu_get_8s(f, &s->eot); + qemu_get_8s(f, &s->timer0); + qemu_get_8s(f, &s->timer1); + qemu_get_8s(f, &s->precomp_trk); + qemu_get_8s(f, &s->config); + qemu_get_8s(f, &s->lock); + qemu_get_8s(f, &s->pwrd); + + ret = fd_load(f, &s->drives[0]); + if (ret == 0) + ret = fd_load(f, &s->drives[1]); + + return ret; +} + +static void fdctrl_external_reset(void *opaque) +{ + fdctrl_t *s = opaque; + + fdctrl_reset(s, 0); +} + fdctrl_t *fdctrl_init (qemu_irq irq, int dma_chann, int mem_mapped, uint32_t io_base, BlockDriverState **fds) @@ -525,6 +618,8 @@ fdctrl_t *fdctrl_init (qemu_irq irq, int dma_chann, int mem_mapped, register_ioport_write(io_base + 0x01, 5, 1, &fdctrl_write, fdctrl); register_ioport_write(io_base + 0x07, 1, 1, &fdctrl_write, fdctrl); } + register_savevm("fdc", io_base, 1, fdc_save, fdc_load, fdctrl); + qemu_register_reset(fdctrl_external_reset, fdctrl); for (i = 0; i < 2; i++) { fd_revalidate(&fdctrl->drives[i]); } |