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i386: expose floppy drive CMOS type 

Make it possible to query the CMOS type of a floppy drive outside of the
source file where it's defined.

It will allow to properly populate the corresponding ACPI objects and
thus enable Windows on BIOS-less systems to access the floppy drives.

Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Cc: John Snow <jsnow@redhat.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Kevin O'Connor <kevin@koconnor.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Roman Kagan 2016-02-17 21:25:31 +03:00 committed by Michael S. Tsirkin
parent 9b613f4e40
commit bda055096b
2 changed files with 2 additions and 1 deletions
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2
hw/i386/pc.c
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@ -199,7 +199,7 @@ static void pic_irq_request(void *opaque, int irq, int level)
#define REG_EQUIPMENT_BYTE 0x14 #define REG_EQUIPMENT_BYTE 0x14
static int cmos_get_fd_drive_type(FloppyDriveType fd0) int cmos_get_fd_drive_type(FloppyDriveType fd0)
{ {
int val; int val;

1
include/hw/i386/pc.h
View File

@ -265,6 +265,7 @@ typedef void (*cpu_set_smm_t)(int smm, void *arg);
void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name); void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
ISADevice *pc_find_fdc0(void); ISADevice *pc_find_fdc0(void);
int cmos_get_fd_drive_type(FloppyDriveType fd0);
#define FW_CFG_IO_BASE 0x510 #define FW_CFG_IO_BASE 0x510