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[Qemu-devel] [PATCH v3 05/11] fdc: Add fallback option
From: |
John Snow |
Subject: |
[Qemu-devel] [PATCH v3 05/11] fdc: Add fallback option |
Date: |
Wed, 16 Dec 2015 17:16:11 -0500 |
Add the fallback drive type as an option so we can control
the behavior as a function of the QEMU machine version.
Signed-off-by: John Snow <address@hidden>
---
hw/block/fdc.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/hw/block/fdc.c b/hw/block/fdc.c
index ad0e052..b587de8 100644
--- a/hw/block/fdc.c
+++ b/hw/block/fdc.c
@@ -155,6 +155,9 @@ typedef struct FDrive {
bool media_inserted; /* Is there a medium in the tray */
} FDrive;
+
+static FloppyDriveType get_fallback_drive_type(FDrive *drv);
+
static void fd_init(FDrive *drv)
{
/* Drive */
@@ -570,8 +573,15 @@ struct FDCtrl {
uint8_t timer0;
uint8_t timer1;
+ FloppyDriveType fallback;
};
+__attribute__((__unused__))
+static FloppyDriveType get_fallback_drive_type(FDrive *drv)
+{
+ return drv->fdctrl->fallback;
+}
+
#define TYPE_SYSBUS_FDC "base-sysbus-fdc"
#define SYSBUS_FDC(obj) OBJECT_CHECK(FDCtrlSysBus, (obj), TYPE_SYSBUS_FDC)
@@ -2302,6 +2312,10 @@ static void fdctrl_realize_common(FDCtrl *fdctrl, Error
**errp)
int i, j;
static int command_tables_inited = 0;
+ if (fdctrl->fallback == FLOPPY_DRIVE_TYPE_AUTO) {
+ error_setg(errp, "Cannot choose a fallback FDrive type of 'auto'");
+ }
+
/* Fill 'command_to_handler' lookup table */
if (!command_tables_inited) {
command_tables_inited = 1;
@@ -2433,6 +2447,9 @@ static Property isa_fdc_properties[] = {
DEFINE_PROP_DEFAULT("fdtypeB", FDCtrlISABus, state.drives[1].drive,
FDRIVE_DEFAULT, qdev_prop_fdc_drive_type,
FloppyDriveType),
+ DEFINE_PROP_DEFAULT("fallback", FDCtrlISABus, state.fallback,
+ FLOPPY_DRIVE_TYPE_144, qdev_prop_fdc_drive_type,
+ FloppyDriveType),
DEFINE_PROP_END_OF_LIST(),
};
@@ -2487,6 +2504,9 @@ static Property sysbus_fdc_properties[] = {
DEFINE_PROP_DEFAULT("fdtypeB", FDCtrlSysBus, state.drives[1].drive,
FDRIVE_DEFAULT, qdev_prop_fdc_drive_type,
FloppyDriveType),
+ DEFINE_PROP_DEFAULT("fallback", FDCtrlISABus, state.fallback,
+ FLOPPY_DRIVE_TYPE_144, qdev_prop_fdc_drive_type,
+ FloppyDriveType),
DEFINE_PROP_END_OF_LIST(),
};
@@ -2510,6 +2530,9 @@ static Property sun4m_fdc_properties[] = {
DEFINE_PROP_DEFAULT("fdtype", FDCtrlSysBus, state.drives[0].drive,
FDRIVE_DEFAULT, qdev_prop_fdc_drive_type,
FloppyDriveType),
+ DEFINE_PROP_DEFAULT("fallback", FDCtrlISABus, state.fallback,
+ FLOPPY_DRIVE_TYPE_144, qdev_prop_fdc_drive_type,
+ FloppyDriveType),
DEFINE_PROP_END_OF_LIST(),
};
--
2.4.3
[Qemu-devel] [PATCH v3 05/11] fdc: Add fallback option,
John Snow <=
[Qemu-devel] [PATCH v3 08/11] fdc: add physical disk sizes, John Snow, 2015/12/16
[Qemu-devel] [PATCH v3 02/11] fdc: refactor pick_geometry, John Snow, 2015/12/16
[Qemu-devel] [PATCH v3 09/11] fdc: rework pick_geometry, John Snow, 2015/12/16
[Qemu-devel] [PATCH v3 06/11] fdc: do not call revalidate on eject, John Snow, 2015/12/16