On Fri, Dec 13, 2019 at 05:47:28PM +0100, Philippe Mathieu-Daudé wrote: > On 12/13/19 5:17 PM, Philippe Mathieu-Daudé wrote: > > Historically, QEMU started with only one X86 machine: the PC. > > The 'hw/i386/pc.h' header was used to store all X86 and PC > > declarations. Since we have now multiple machines based on the > > X86 architecture, move the PC-specific declarations in a new > > header. > > We use 'internal' in the name to explicit this header is restricted > > to the X86 architecture. Other architecture can not access it. > > > > Signed-off-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx> > > --- > > Maybe name it 'pc_machine.h'? > > I forgot to describe here (and in the cover), what's follow after this > patch. > > Patch #13 moves PCMachineClass to > > If you ignore PCMachineState, "hw/i386/pc.h" now only contains 76 lines, and > it is easier to see what is PC machine specific, what is X86 specific, and > what is device generic (not X86 related at all): > > - GSI is common to X86 (Paolo sent [3], [6]) > - IOAPIC is common to X86 > - i8259 is multiarch (Paolo [2]) > - PCI_HOST definitions and pc_pci_hole64_start() are X86 > - pc_machine_is_smm_enabled() is X86 (Paolo sent [5]) > - hpet > - tsc (Paolo sent [3]) > - 3 more functions > > So we can move half of this file to "pc_internal.h" and the other to > > One problem is the Q35 MCH north bridge which directly sets the PCI > PCMachineState->bus in q35_host_realize(). This seems a QOM violation and is > probably easily fixable. > > Maybe I can apply Paolo's patches instead of this #12, move X86-generic > declarations to "hw/i386/x86.h", and directly git-move what's left of > "hw/i386/pc.h" to "pc_internal.h". Yea that sounds a bit better. > [3] https://www.mail-archive.com/qemu-devel@xxxxxxxxxx/msg664627.html > [2] https://www.mail-archive.com/qemu-devel@xxxxxxxxxx/msg664765.html > [5] https://www.mail-archive.com/qemu-devel@xxxxxxxxxx/msg664754.html > [6] https://www.mail-archive.com/qemu-devel@xxxxxxxxxx/msg664766.html > > > --- > > hw/i386/pc_internal.h | 144 ++++++++++++++++++++++++++++++++++++++++++ > > include/hw/i386/pc.h | 128 ------------------------------------- > > hw/i386/acpi-build.c | 1 + > > hw/i386/pc.c | 1 + > > hw/i386/pc_piix.c | 1 + > > hw/i386/pc_q35.c | 1 + > > hw/i386/pc_sysfw.c | 1 + > > hw/i386/xen/xen-hvm.c | 1 + > > 8 files changed, 150 insertions(+), 128 deletions(-) > > create mode 100644 hw/i386/pc_internal.h
