The q35 machine can work without FDC. But to be able to also link a QEMU binary that does not include the FDC code, we have to make it possible to disable the spots that call into the FDC code.
Signed-off-by: Thomas Huth <th...@redhat.com> --- hw/i386/pc.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 08c7de416f..93c48f6747 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -439,16 +439,19 @@ static void pc_boot_set(void *opaque, const char *boot_device, Error **errp) static void pc_cmos_init_floppy(MC146818RtcState *rtc_state, ISADevice *floppy) { - int val, nb, i; + int val, nb; FloppyDriveType fd_type[2] = { FLOPPY_DRIVE_TYPE_NONE, FLOPPY_DRIVE_TYPE_NONE }; +#ifdef CONFIG_FDC_ISA /* floppy type */ if (floppy) { - for (i = 0; i < 2; i++) { + for (int i = 0; i < 2; i++) { fd_type[i] = isa_fdc_get_drive_type(floppy, i); } } +#endif + val = (cmos_get_fd_drive_type(fd_type[0]) << 4) | cmos_get_fd_drive_type(fd_type[1]); mc146818rtc_set_cmos_data(rtc_state, 0x10, val); @@ -1132,7 +1135,7 @@ static void pc_superio_init(ISABus *isa_bus, bool create_fdctrl, int i; DriveInfo *fd[MAX_FD]; qemu_irq *a20_line; - ISADevice *fdc, *i8042, *port92, *vmmouse; + ISADevice *i8042, *port92, *vmmouse; serial_hds_isa_init(isa_bus, 0, MAX_ISA_SERIAL_PORTS); parallel_hds_isa_init(isa_bus, MAX_PARALLEL_PORTS); @@ -1142,11 +1145,13 @@ static void pc_superio_init(ISABus *isa_bus, bool create_fdctrl, create_fdctrl |= !!fd[i]; } if (create_fdctrl) { - fdc = isa_new(TYPE_ISA_FDC); +#ifdef CONFIG_FDC_ISA + ISADevice *fdc = isa_new(TYPE_ISA_FDC); if (fdc) { isa_realize_and_unref(fdc, isa_bus, &error_fatal); isa_fdc_init_drives(fdc, fd); } +#endif } if (!create_i8042) { -- 2.44.0