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[Qemu-block] [PATCH v2 4/4] i386: drop FDC in pc-q35-2.4+ if neither it
From: |
Laszlo Ersek |
Subject: |
[Qemu-block] [PATCH v2 4/4] i386: drop FDC in pc-q35-2.4+ if neither it nor floppy drives are wanted |
Date: |
Thu, 28 May 2015 22:04:11 +0200 |
It is Very annoying to carry forward an outdatEd coNtroller with a mOdern
Machine type.
Hence, let us not instantiate the FDC when all of the following apply:
- the machine type is pc-q35-2.4 or later,
- "-device isa-fdc" is not passed on the command line (nor in the config
file),
- no "-drive if=floppy,..." is requested.
Cc: Markus Armbruster <address@hidden>
Cc: Paolo Bonzini <address@hidden>
Cc: Gerd Hoffmann <address@hidden>
Cc: John Snow <address@hidden>
Cc: "Gabriel L. Somlo" <address@hidden>
Cc: "Michael S. Tsirkin" <address@hidden>
Cc: Kevin Wolf <address@hidden>
Cc: address@hidden
Suggested-by: Markus Armbruster <address@hidden>
Signed-off-by: Laszlo Ersek <address@hidden>
Acked-by: Paolo Bonzini <address@hidden>
---
Notes:
v2:
- flip no_floppy machine class setting in a separate patch
hw/i386/pc_q35.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index ad014e7..671ae69 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -424,7 +424,8 @@ static void pc_q35_init_1_4(MachineState *machine)
#define PC_Q35_2_4_MACHINE_OPTIONS \
PC_Q35_MACHINE_OPTIONS, \
.default_machine_opts = "firmware=bios-256k.bin", \
- .default_display = "std"
+ .default_display = "std", \
+ .no_floppy = 1
static QEMUMachine pc_q35_machine_v2_4 = {
PC_Q35_2_4_MACHINE_OPTIONS,
@@ -433,7 +434,10 @@ static QEMUMachine pc_q35_machine_v2_4 = {
.init = pc_q35_init,
};
-#define PC_Q35_2_3_MACHINE_OPTIONS PC_Q35_2_4_MACHINE_OPTIONS
+#define PC_Q35_2_3_MACHINE_OPTIONS \
+ PC_Q35_MACHINE_OPTIONS, \
+ .default_machine_opts = "firmware=bios-256k.bin", \
+ .default_display = "std"
static QEMUMachine pc_q35_machine_v2_3 = {
PC_Q35_2_3_MACHINE_OPTIONS,
--
1.8.3.1