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Re: [Qemu-devel] [PATCH 18/22] target-i386: move APIC to ICC bus
From: |
Eduardo Habkost |
Subject: |
Re: [Qemu-devel] [PATCH 18/22] target-i386: move APIC to ICC bus |
Date: |
Fri, 5 Apr 2013 13:15:03 -0300 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, Apr 05, 2013 at 04:37:10PM +0200, Igor Mammedov wrote:
[...]
> void pc_cpus_init(const char *cpu_model)
> {
> int i;
> + X86CPU *cpu;
> Error *error = NULL;
> + SysBusDevice *ib;
>
> /* init CPUs */
> if (cpu_model == NULL) {
> @@ -902,14 +907,22 @@ void pc_cpus_init(const char *cpu_model)
> #endif
> }
>
> + ib = SYS_BUS_DEVICE(object_resolve_path_type("icc-bridge",
> + TYPE_ICC_BRIDGE, NULL));
> +
> for (i = 0; i < smp_cpus; i++) {
> - pc_new_cpu(cpu_model, x86_cpu_apic_id_from_index(i), &error);
> + cpu = pc_new_cpu(cpu_model, x86_cpu_apic_id_from_index(i), &error);
> if (error) {
> fprintf(stderr, "%s\n", error_get_pretty(error));
> error_free(error);
> exit(1);
> }
> }
> +
> + /* map APIC MMIO area if CPU has it */
> + if (cpu->env.apic_staiy) {
> + sysbus_mmio_map_overlap(ib, 0, APIC_DEFAULT_ADDRESS, 0x1000);
> + }
GCC doesn't like this:
make[1]: Entering directory `/home/ehabkost/rh/proj/virt/qemu/x86_64-softmmu'
cc -I. -I/home/ehabkost/rh/proj/virt/qemu
-I/home/ehabkost/rh/proj/virt/qemu/include
-I/home/ehabkost/rh/proj/virt/qemu/linux-headers
-I/home/ehabkost/rh/proj/virt/qemu/tcg
-I/home/ehabkost/rh/proj/virt/qemu/tcg/i386 -Werror -fPIE -DPIE -m64
-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes
-Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes
-fno-strict-aliasing -fstack-protector-all -Wendif-labels
-Wmissing-include-dirs -Wempty-body -Wnested-externs -Wformat-security
-Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration
-Wold-style-definition -Wtype-limits -I/usr/include/pixman-1 -DHAS_AUDIO
-DHAS_AUDIO_CHOICE -I/home/ehabkost/rh/proj/virt/qemu/hw/i386 -Ihw/i386
-I../linux-headers -I.. -I/home/ehabkost/rh/proj/virt/qemu/target-i386
-DNEED_CPU_H -I/home/ehabkost/rh/proj/virt/qemu/include -pthread
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -MMD -MP -MT
hw/i386/pc.o -MF hw/i386/pc.d -O2 -D_FORTIFY_SOURCE=2 -g -c -o hw/i386/pc.o
/home/ehabkost/rh/proj/virt/qemu/hw/i386/pc.c
/home/ehabkost/rh/proj/virt/qemu/hw/i386/pc.c: In function ‘pc_cpus_init’:
/home/ehabkost/rh/proj/virt/qemu/hw/i386/pc.c:948:17: error: ‘cpu’ may be used
uninitialized in this function [-Werror=maybe-uninitialized]
cc1: all warnings being treated as errors
make[1]: *** [hw/i386/pc.o] Error 1
> }
>
--
Eduardo
- [Qemu-devel] [PATCH 13/22] acpi_piix4: add infrastructure to send CPU hot-plug GPE to guest, (continued)
- [Qemu-devel] [PATCH 13/22] acpi_piix4: add infrastructure to send CPU hot-plug GPE to guest, Igor Mammedov, 2013/04/05
- [Qemu-devel] [PATCH 10/22] rtc: update rtc_cmos on CPU hot-plug, Igor Mammedov, 2013/04/05
- [Qemu-devel] [PATCH 11/22] cpu: introduce get_firmware_id() method and override it for target-i386, Igor Mammedov, 2013/04/05
- [Qemu-devel] [PATCH 17/22] target-i386: replace MSI_SPACE_SIZE with APIC_SPACE_SIZE, Igor Mammedov, 2013/04/05
- [Qemu-devel] [PATCH 16/22] target-i386: cpu: attach ICC bus to CPU on its creation, Igor Mammedov, 2013/04/05
- [Qemu-devel] [PATCH 18/22] target-i386: move APIC to ICC bus, Igor Mammedov, 2013/04/05
- [Qemu-devel] [PATCH 14/22] target-i386: introduce apic-id property, Igor Mammedov, 2013/04/05
- [Qemu-devel] [PATCH 09/22] introduce CPU hot-plug notifier, Igor Mammedov, 2013/04/05
- [Qemu-devel] [PATCH 21/22] target-i386: expose all possible CPUs as /machine/icc-bridge/cpu[0..N] links, Igor Mammedov, 2013/04/05
- [Qemu-devel] [PATCH 22/22] add cpu-add qmp command and implement CPU hot-add for target-i386, Igor Mammedov, 2013/04/05