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Re: [Qemu-devel] [PATCH] hw/i386: Fix linker error when ISAPC is disable


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] hw/i386: Fix linker error when ISAPC is disabled
Date: Fri, 5 Jul 2019 10:25:45 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2

On 04/07/19 20:03, Julio Montes wrote:
> How about a new header file with all devices? (see below patch)

Yes, looks good.

Paolo

> ---
>  Makefile.target       |  5 +++++
>  hw/i386/pc_piix.c     | 11 ++++++++---
>  include/qemu/osdep.h  |  1 +
>  scripts/create_config |  2 ++
>  4 files changed, 16 insertions(+), 3 deletions(-)
> 
> diff --git a/Makefile.target b/Makefile.target
> index a6919e0caf..65eda0994d 100644
> --- a/Makefile.target
> +++ b/Makefile.target
> @@ -45,6 +45,9 @@ include $(SRC_PATH)/tests/tcg/Makefile.include
>  config-target.h: config-target.h-timestamp
>  config-target.h-timestamp: config-target.mak
> 
> +config-devices.h: config-devices.h-timestamp
> +config-devices.h-timestamp: config-devices.mak
> +
>  ifdef CONFIG_TRACE_SYSTEMTAP
>  stap: $(QEMU_PROG).stp-installed $(QEMU_PROG).stp 
> $(QEMU_PROG)-simpletrace.stp $(QEMU_PROG)-log.stp
> 
> @@ -170,6 +173,8 @@ generated-files-y += hmp-commands.h hmp-commands-info.h
> 
>  endif # CONFIG_SOFTMMU
> 
> +generated-files-y += config-devices.h
> +
>  dummy := $(call unnest-vars,,obj-y)
>  all-obj-y := $(obj-y)
> 
> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> index c07c4a5b38..b93f9327be 100644
> --- a/hw/i386/pc_piix.c
> +++ b/hw/i386/pc_piix.c
> @@ -61,9 +61,11 @@
> 
>  #define MAX_IDE_BUS 2
> 
> +#ifdef CONFIG_IDE_ISA
>  static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
>  static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
>  static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
> +#endif
> 
>  /* PC hardware initialisation */
>  static void pc_init1(MachineState *machine,
> @@ -254,7 +256,10 @@ static void pc_init1(MachineState *machine,
>          }
>          idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
>          idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
> -    } else {
> +        pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
> +    }
> +#ifdef CONFIG_IDE_ISA
> +else {
>          for(i = 0; i < MAX_IDE_BUS; i++) {
>              ISADevice *dev;
>              char busname[] = "ide.0";
> @@ -268,9 +273,9 @@ static void pc_init1(MachineState *machine,
>              busname[4] = '0' + i;
>              idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
>          }
> +        pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
>      }
> -
> -    pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
> +#endif
> 
>      if (pcmc->pci_enabled && machine_usb(machine)) {
>          pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
> diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
> index af2b91f0b8..83b49a1e63 100644
> --- a/include/qemu/osdep.h
> +++ b/include/qemu/osdep.h
> @@ -30,6 +30,7 @@
>  #include "config-host.h"
>  #ifdef NEED_CPU_H
>  #include "config-target.h"
> +#include "config-devices.h"
>  #else
>  #include "exec/poison.h"
>  #endif
> diff --git a/scripts/create_config b/scripts/create_config
> index d727e5e36e..00e86c82b0 100755
> --- a/scripts/create_config
> +++ b/scripts/create_config
> @@ -58,6 +58,8 @@ case $line in
>      name=${line%=*}
>      echo "#define $name 1"
>      ;;
> + CONFIG_*=n) # configuration
> +    ;;
>   CONFIG_*=*) # configuration
>      name=${line%=*}
>      value=${line#*=}
> --
> 2.17.2
> 




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