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From: Thomas Huth <thuth@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	qemu-devel@nongnu.org
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,
	Miroslav Rezanina <mrezanin@redhat.com>
Subject: [PATCH 1/3] hw/i386/pc: Allow to compile without CONFIG_FDC_ISA
Date: Thu, 25 Apr 2024 20:43:13 +0200	[thread overview]
Message-ID: <20240425184315.553329-2-thuth@redhat.com> (raw)
In-Reply-To: <20240425184315.553329-1-thuth@redhat.com>

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 <thuth@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



  reply	other threads:[~2024-04-25 18:45 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-25 18:43 [PATCH 0/3] Make it possible to compile the x86 binaries without FDC Thomas Huth
2024-04-25 18:43 ` Thomas Huth [this message]
2024-05-06 14:26   ` [PATCH 1/3] hw/i386/pc: Allow to compile without CONFIG_FDC_ISA Philippe Mathieu-Daudé
2024-04-25 18:43 ` [PATCH 2/3] hw/i386/Kconfig: Allow to compile Q35 without FDC_ISA Thomas Huth
2024-04-25 18:43 ` [RFC PATCH 3/3] hw/i386: Add the possibility to use i440fx and isapc without FDC Thomas Huth
2024-04-25 20:56 ` [PATCH 0/3] Make it possible to compile the x86 binaries " Philippe Mathieu-Daudé
2024-04-26  5:08   ` Thomas Huth
2024-04-29 10:31 ` Kevin Wolf
2024-05-06 14:27 ` Philippe Mathieu-Daudé
2024-05-06 15:59 ` Paolo Bonzini

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