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Re: [Qemu-devel] [PATCH v9 01/11] hw/arm: simplify arm_load_dtb


From: Eduardo Habkost
Subject: Re: [Qemu-devel] [PATCH v9 01/11] hw/arm: simplify arm_load_dtb
Date: Tue, 13 Aug 2019 18:55:58 -0300

CCing ARM maintainers.  I'd like to at least get one Acked-by from
them before queueing this on machine-next.


On Fri, Aug 09, 2019 at 02:57:21PM +0800, Tao wrote:
> From: Tao Xu <address@hidden>
> 
> In struct arm_boot_info, kernel_filename, initrd_filename and
> kernel_cmdline are copied from from MachineState. This patch add
> MachineState as a parameter into arm_load_dtb() and move the copy chunk
> of kernel_filename, initrd_filename and kernel_cmdline into
> arm_load_kernel().
> 
> Reviewed-by: Igor Mammedov <address@hidden>
> Reviewed-by: Liu Jingqi <address@hidden>
> Suggested-by: Igor Mammedov <address@hidden>
> Signed-off-by: Tao Xu <address@hidden>
> ---
> 
> No changes in v9
> ---
>  hw/arm/aspeed.c           |  5 +----
>  hw/arm/boot.c             | 14 ++++++++------
>  hw/arm/collie.c           |  8 +-------
>  hw/arm/cubieboard.c       |  5 +----
>  hw/arm/exynos4_boards.c   |  7 ++-----
>  hw/arm/highbank.c         |  8 +-------
>  hw/arm/imx25_pdk.c        |  5 +----
>  hw/arm/integratorcp.c     |  8 +-------
>  hw/arm/kzm.c              |  5 +----
>  hw/arm/mainstone.c        |  5 +----
>  hw/arm/mcimx6ul-evk.c     |  5 +----
>  hw/arm/mcimx7d-sabre.c    |  5 +----
>  hw/arm/musicpal.c         |  8 +-------
>  hw/arm/nseries.c          |  5 +----
>  hw/arm/omap_sx1.c         |  5 +----
>  hw/arm/palm.c             | 10 ++--------
>  hw/arm/raspi.c            |  6 +-----
>  hw/arm/realview.c         |  5 +----
>  hw/arm/sabrelite.c        |  5 +----
>  hw/arm/sbsa-ref.c         |  3 +--
>  hw/arm/spitz.c            |  5 +----
>  hw/arm/tosa.c             |  8 +-------
>  hw/arm/versatilepb.c      |  5 +----
>  hw/arm/vexpress.c         |  5 +----
>  hw/arm/virt.c             |  8 +++-----
>  hw/arm/xilinx_zynq.c      |  8 +-------
>  hw/arm/xlnx-versal-virt.c |  7 ++-----
>  hw/arm/xlnx-zcu102.c      |  5 +----
>  hw/arm/z2.c               |  8 +-------
>  include/hw/arm/boot.h     |  4 ++--
>  30 files changed, 43 insertions(+), 147 deletions(-)
> 
> diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
> index 843b708247..f8733b86b9 100644
> --- a/hw/arm/aspeed.c
> +++ b/hw/arm/aspeed.c
> @@ -241,9 +241,6 @@ static void aspeed_board_init(MachineState *machine,
>          write_boot_rom(drive0, FIRMWARE_ADDR, fl->size, &error_abort);
>      }
>  
> -    aspeed_board_binfo.kernel_filename = machine->kernel_filename;
> -    aspeed_board_binfo.initrd_filename = machine->initrd_filename;
> -    aspeed_board_binfo.kernel_cmdline = machine->kernel_cmdline;
>      aspeed_board_binfo.ram_size = ram_size;
>      aspeed_board_binfo.loader_start = sc->info->memmap[ASPEED_SDRAM];
>      aspeed_board_binfo.nb_cpus = bmc->soc.num_cpus;
> @@ -252,7 +249,7 @@ static void aspeed_board_init(MachineState *machine,
>          cfg->i2c_init(bmc);
>      }
>  
> -    arm_load_kernel(ARM_CPU(first_cpu), &aspeed_board_binfo);
> +    arm_load_kernel(ARM_CPU(first_cpu), machine, &aspeed_board_binfo);
>  }
>  
>  static void palmetto_bmc_i2c_init(AspeedBoardState *bmc)
> diff --git a/hw/arm/boot.c b/hw/arm/boot.c
> index c2b89b3bb9..ba604f8277 100644
> --- a/hw/arm/boot.c
> +++ b/hw/arm/boot.c
> @@ -524,7 +524,7 @@ static void fdt_add_psci_node(void *fdt)
>  }
>  
>  int arm_load_dtb(hwaddr addr, const struct arm_boot_info *binfo,
> -                 hwaddr addr_limit, AddressSpace *as)
> +                 hwaddr addr_limit, AddressSpace *as, MachineState *ms)
>  {
>      void *fdt = NULL;
>      int size, rc, n = 0;
> @@ -627,9 +627,9 @@ int arm_load_dtb(hwaddr addr, const struct arm_boot_info 
> *binfo,
>          qemu_fdt_add_subnode(fdt, "/chosen");
>      }
>  
> -    if (binfo->kernel_cmdline && *binfo->kernel_cmdline) {
> +    if (ms->kernel_cmdline && *ms->kernel_cmdline) {
>          rc = qemu_fdt_setprop_string(fdt, "/chosen", "bootargs",
> -                                     binfo->kernel_cmdline);
> +                                     ms->kernel_cmdline);
>          if (rc < 0) {
>              fprintf(stderr, "couldn't set /chosen/bootargs\n");
>              goto fail;
> @@ -1261,7 +1261,7 @@ static void arm_setup_firmware_boot(ARMCPU *cpu, struct 
> arm_boot_info *info)
>       */
>  }
>  
> -void arm_load_kernel(ARMCPU *cpu, struct arm_boot_info *info)
> +void arm_load_kernel(ARMCPU *cpu, MachineState *ms, struct arm_boot_info 
> *info)
>  {
>      CPUState *cs;
>      AddressSpace *as = arm_boot_address_space(cpu, info);
> @@ -1282,7 +1282,9 @@ void arm_load_kernel(ARMCPU *cpu, struct arm_boot_info 
> *info)
>       * doesn't support secure.
>       */
>      assert(!(info->secure_board_setup && kvm_enabled()));
> -
> +    info->kernel_filename = ms->kernel_filename;
> +    info->kernel_cmdline = ms->kernel_cmdline;
> +    info->initrd_filename = ms->initrd_filename;
>      info->dtb_filename = qemu_opt_get(qemu_get_machine_opts(), "dtb");
>      info->dtb_limit = 0;
>  
> @@ -1294,7 +1296,7 @@ void arm_load_kernel(ARMCPU *cpu, struct arm_boot_info 
> *info)
>      }
>  
>      if (!info->skip_dtb_autoload && have_dtb(info)) {
> -        if (arm_load_dtb(info->dtb_start, info, info->dtb_limit, as) < 0) {
> +        if (arm_load_dtb(info->dtb_start, info, info->dtb_limit, as, ms) < 
> 0) {
>              exit(1);
>          }
>      }
> diff --git a/hw/arm/collie.c b/hw/arm/collie.c
> index 3db3c56004..72bc8f26e5 100644
> --- a/hw/arm/collie.c
> +++ b/hw/arm/collie.c
> @@ -26,9 +26,6 @@ static struct arm_boot_info collie_binfo = {
>  
>  static void collie_init(MachineState *machine)
>  {
> -    const char *kernel_filename = machine->kernel_filename;
> -    const char *kernel_cmdline = machine->kernel_cmdline;
> -    const char *initrd_filename = machine->initrd_filename;
>      StrongARMState *s;
>      DriveInfo *dinfo;
>      MemoryRegion *sysmem = get_system_memory();
> @@ -47,11 +44,8 @@ static void collie_init(MachineState *machine)
>  
>      sysbus_create_simple("scoop", 0x40800000, NULL);
>  
> -    collie_binfo.kernel_filename = kernel_filename;
> -    collie_binfo.kernel_cmdline = kernel_cmdline;
> -    collie_binfo.initrd_filename = initrd_filename;
>      collie_binfo.board_id = 0x208;
> -    arm_load_kernel(s->cpu, &collie_binfo);
> +    arm_load_kernel(s->cpu, machine, &collie_binfo);
>  }
>  
>  static void collie_machine_init(MachineClass *mc)
> diff --git a/hw/arm/cubieboard.c b/hw/arm/cubieboard.c
> index f7c8a5985a..d992fa087a 100644
> --- a/hw/arm/cubieboard.c
> +++ b/hw/arm/cubieboard.c
> @@ -72,10 +72,7 @@ static void cubieboard_init(MachineState *machine)
>      /* TODO create and connect IDE devices for ide_drive_get() */
>  
>      cubieboard_binfo.ram_size = machine->ram_size;
> -    cubieboard_binfo.kernel_filename = machine->kernel_filename;
> -    cubieboard_binfo.kernel_cmdline = machine->kernel_cmdline;
> -    cubieboard_binfo.initrd_filename = machine->initrd_filename;
> -    arm_load_kernel(&s->a10->cpu, &cubieboard_binfo);
> +    arm_load_kernel(&s->a10->cpu, machine, &cubieboard_binfo);
>  }
>  
>  static void cubieboard_machine_init(MachineClass *mc)
> diff --git a/hw/arm/exynos4_boards.c b/hw/arm/exynos4_boards.c
> index ac0b0dc2a9..da402d5216 100644
> --- a/hw/arm/exynos4_boards.c
> +++ b/hw/arm/exynos4_boards.c
> @@ -120,9 +120,6 @@ exynos4_boards_init_common(MachineState *machine,
>      exynos4_board_binfo.board_id = exynos4_board_id[board_type];
>      exynos4_board_binfo.smp_bootreg_addr =
>              exynos4_board_smp_bootreg_addr[board_type];
> -    exynos4_board_binfo.kernel_filename = machine->kernel_filename;
> -    exynos4_board_binfo.initrd_filename = machine->initrd_filename;
> -    exynos4_board_binfo.kernel_cmdline = machine->kernel_cmdline;
>      exynos4_board_binfo.gic_cpu_if_addr =
>              EXYNOS4210_SMP_PRIVATE_BASE_ADDR + 0x100;
>  
> @@ -141,7 +138,7 @@ static void nuri_init(MachineState *machine)
>  {
>      exynos4_boards_init_common(machine, EXYNOS4_BOARD_NURI);
>  
> -    arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
> +    arm_load_kernel(ARM_CPU(first_cpu), machine, &exynos4_board_binfo);
>  }
>  
>  static void smdkc210_init(MachineState *machine)
> @@ -151,7 +148,7 @@ static void smdkc210_init(MachineState *machine)
>  
>      lan9215_init(SMDK_LAN9118_BASE_ADDR,
>              qemu_irq_invert(s->soc.irq_table[exynos4210_get_irq(37, 1)]));
> -    arm_load_kernel(ARM_CPU(first_cpu), &exynos4_board_binfo);
> +    arm_load_kernel(ARM_CPU(first_cpu), machine, &exynos4_board_binfo);
>  }
>  
>  static void nuri_class_init(ObjectClass *oc, void *data)
> diff --git a/hw/arm/highbank.c b/hw/arm/highbank.c
> index def0f1ce6a..1a35b6d82f 100644
> --- a/hw/arm/highbank.c
> +++ b/hw/arm/highbank.c
> @@ -234,9 +234,6 @@ enum cxmachines {
>  static void calxeda_init(MachineState *machine, enum cxmachines machine_id)
>  {
>      ram_addr_t ram_size = machine->ram_size;
> -    const char *kernel_filename = machine->kernel_filename;
> -    const char *kernel_cmdline = machine->kernel_cmdline;
> -    const char *initrd_filename = machine->initrd_filename;
>      DeviceState *dev = NULL;
>      SysBusDevice *busdev;
>      qemu_irq pic[128];
> @@ -388,9 +385,6 @@ static void calxeda_init(MachineState *machine, enum 
> cxmachines machine_id)
>      /* TODO create and connect IDE devices for ide_drive_get() */
>  
>      highbank_binfo.ram_size = ram_size;
> -    highbank_binfo.kernel_filename = kernel_filename;
> -    highbank_binfo.kernel_cmdline = kernel_cmdline;
> -    highbank_binfo.initrd_filename = initrd_filename;
>      /* highbank requires a dtb in order to boot, and the dtb will override
>       * the board ID. The following value is ignored, so set it to -1 to be
>       * clear that the value is meaningless.
> @@ -410,7 +404,7 @@ static void calxeda_init(MachineState *machine, enum 
> cxmachines machine_id)
>                      "may not boot.");
>      }
>  
> -    arm_load_kernel(ARM_CPU(first_cpu), &highbank_binfo);
> +    arm_load_kernel(ARM_CPU(first_cpu), machine, &highbank_binfo);
>  }
>  
>  static void highbank_init(MachineState *machine)
> diff --git a/hw/arm/imx25_pdk.c b/hw/arm/imx25_pdk.c
> index 5d673e47bc..c76fc2bd94 100644
> --- a/hw/arm/imx25_pdk.c
> +++ b/hw/arm/imx25_pdk.c
> @@ -116,9 +116,6 @@ static void imx25_pdk_init(MachineState *machine)
>      }
>  
>      imx25_pdk_binfo.ram_size = machine->ram_size;
> -    imx25_pdk_binfo.kernel_filename = machine->kernel_filename;
> -    imx25_pdk_binfo.kernel_cmdline = machine->kernel_cmdline;
> -    imx25_pdk_binfo.initrd_filename = machine->initrd_filename;
>      imx25_pdk_binfo.loader_start = FSL_IMX25_SDRAM0_ADDR;
>      imx25_pdk_binfo.board_id = 1771,
>      imx25_pdk_binfo.nb_cpus = 1;
> @@ -129,7 +126,7 @@ static void imx25_pdk_init(MachineState *machine)
>       * fail.
>       */
>      if (!qtest_enabled()) {
> -        arm_load_kernel(&s->soc.cpu, &imx25_pdk_binfo);
> +        arm_load_kernel(&s->soc.cpu, machine, &imx25_pdk_binfo);
>      }
>  }
>  
> diff --git a/hw/arm/integratorcp.c b/hw/arm/integratorcp.c
> index 200c0107f0..4d9e9c9e49 100644
> --- a/hw/arm/integratorcp.c
> +++ b/hw/arm/integratorcp.c
> @@ -578,9 +578,6 @@ static struct arm_boot_info integrator_binfo = {
>  static void integratorcp_init(MachineState *machine)
>  {
>      ram_addr_t ram_size = machine->ram_size;
> -    const char *kernel_filename = machine->kernel_filename;
> -    const char *kernel_cmdline = machine->kernel_cmdline;
> -    const char *initrd_filename = machine->initrd_filename;
>      Object *cpuobj;
>      ARMCPU *cpu;
>      MemoryRegion *address_space_mem = get_system_memory();
> @@ -650,10 +647,7 @@ static void integratorcp_init(MachineState *machine)
>      sysbus_create_simple("pl110", 0xc0000000, pic[22]);
>  
>      integrator_binfo.ram_size = ram_size;
> -    integrator_binfo.kernel_filename = kernel_filename;
> -    integrator_binfo.kernel_cmdline = kernel_cmdline;
> -    integrator_binfo.initrd_filename = initrd_filename;
> -    arm_load_kernel(cpu, &integrator_binfo);
> +    arm_load_kernel(cpu, machine, &integrator_binfo);
>  }
>  
>  static void integratorcp_machine_init(MachineClass *mc)
> diff --git a/hw/arm/kzm.c b/hw/arm/kzm.c
> index 59d2102dc5..5ff419a555 100644
> --- a/hw/arm/kzm.c
> +++ b/hw/arm/kzm.c
> @@ -126,13 +126,10 @@ static void kzm_init(MachineState *machine)
>      }
>  
>      kzm_binfo.ram_size = machine->ram_size;
> -    kzm_binfo.kernel_filename = machine->kernel_filename;
> -    kzm_binfo.kernel_cmdline = machine->kernel_cmdline;
> -    kzm_binfo.initrd_filename = machine->initrd_filename;
>      kzm_binfo.nb_cpus = 1;
>  
>      if (!qtest_enabled()) {
> -        arm_load_kernel(&s->soc.cpu, &kzm_binfo);
> +        arm_load_kernel(&s->soc.cpu, machine, &kzm_binfo);
>      }
>  }
>  
> diff --git a/hw/arm/mainstone.c b/hw/arm/mainstone.c
> index cd1f904c6c..c76cfb5dd1 100644
> --- a/hw/arm/mainstone.c
> +++ b/hw/arm/mainstone.c
> @@ -177,11 +177,8 @@ static void mainstone_common_init(MemoryRegion 
> *address_space_mem,
>      smc91c111_init(&nd_table[0], MST_ETH_PHYS,
>                      qdev_get_gpio_in(mst_irq, ETHERNET_IRQ));
>  
> -    mainstone_binfo.kernel_filename = machine->kernel_filename;
> -    mainstone_binfo.kernel_cmdline = machine->kernel_cmdline;
> -    mainstone_binfo.initrd_filename = machine->initrd_filename;
>      mainstone_binfo.board_id = arm_id;
> -    arm_load_kernel(mpu->cpu, &mainstone_binfo);
> +    arm_load_kernel(mpu->cpu, machine, &mainstone_binfo);
>  }
>  
>  static void mainstone_init(MachineState *machine)
> diff --git a/hw/arm/mcimx6ul-evk.c b/hw/arm/mcimx6ul-evk.c
> index 1f6f4aed97..e8a9b03069 100644
> --- a/hw/arm/mcimx6ul-evk.c
> +++ b/hw/arm/mcimx6ul-evk.c
> @@ -39,9 +39,6 @@ static void mcimx6ul_evk_init(MachineState *machine)
>          .loader_start = FSL_IMX6UL_MMDC_ADDR,
>          .board_id = -1,
>          .ram_size = machine->ram_size,
> -        .kernel_filename = machine->kernel_filename,
> -        .kernel_cmdline = machine->kernel_cmdline,
> -        .initrd_filename = machine->initrd_filename,
>          .nb_cpus = machine->smp.cpus,
>      };
>  
> @@ -71,7 +68,7 @@ static void mcimx6ul_evk_init(MachineState *machine)
>      }
>  
>      if (!qtest_enabled()) {
> -        arm_load_kernel(&s->soc.cpu, &boot_info);
> +        arm_load_kernel(&s->soc.cpu, machine, &boot_info);
>      }
>  }
>  
> diff --git a/hw/arm/mcimx7d-sabre.c b/hw/arm/mcimx7d-sabre.c
> index 72eab03a0c..3123d8767f 100644
> --- a/hw/arm/mcimx7d-sabre.c
> +++ b/hw/arm/mcimx7d-sabre.c
> @@ -42,9 +42,6 @@ static void mcimx7d_sabre_init(MachineState *machine)
>          .loader_start = FSL_IMX7_MMDC_ADDR,
>          .board_id = -1,
>          .ram_size = machine->ram_size,
> -        .kernel_filename = machine->kernel_filename,
> -        .kernel_cmdline = machine->kernel_cmdline,
> -        .initrd_filename = machine->initrd_filename,
>          .nb_cpus = machine->smp.cpus,
>      };
>  
> @@ -74,7 +71,7 @@ static void mcimx7d_sabre_init(MachineState *machine)
>      }
>  
>      if (!qtest_enabled()) {
> -        arm_load_kernel(&s->soc.cpu[0], &boot_info);
> +        arm_load_kernel(&s->soc.cpu[0], machine, &boot_info);
>      }
>  }
>  
> diff --git a/hw/arm/musicpal.c b/hw/arm/musicpal.c
> index 95d56f3208..a53ee12737 100644
> --- a/hw/arm/musicpal.c
> +++ b/hw/arm/musicpal.c
> @@ -1568,9 +1568,6 @@ static struct arm_boot_info musicpal_binfo = {
>  
>  static void musicpal_init(MachineState *machine)
>  {
> -    const char *kernel_filename = machine->kernel_filename;
> -    const char *kernel_cmdline = machine->kernel_cmdline;
> -    const char *initrd_filename = machine->initrd_filename;
>      ARMCPU *cpu;
>      qemu_irq pic[32];
>      DeviceState *dev;
> @@ -1699,10 +1696,7 @@ static void musicpal_init(MachineState *machine)
>      sysbus_connect_irq(s, 0, pic[MP_AUDIO_IRQ]);
>  
>      musicpal_binfo.ram_size = MP_RAM_DEFAULT_SIZE;
> -    musicpal_binfo.kernel_filename = kernel_filename;
> -    musicpal_binfo.kernel_cmdline = kernel_cmdline;
> -    musicpal_binfo.initrd_filename = initrd_filename;
> -    arm_load_kernel(cpu, &musicpal_binfo);
> +    arm_load_kernel(cpu, machine, &musicpal_binfo);
>  }
>  
>  static void musicpal_machine_init(MachineClass *mc)
> diff --git a/hw/arm/nseries.c b/hw/arm/nseries.c
> index 4a79f5c88b..31dd2f1b51 100644
> --- a/hw/arm/nseries.c
> +++ b/hw/arm/nseries.c
> @@ -1358,10 +1358,7 @@ static void n8x0_init(MachineState *machine,
>  
>      if (machine->kernel_filename) {
>          /* Or at the linux loader.  */
> -        binfo->kernel_filename = machine->kernel_filename;
> -        binfo->kernel_cmdline = machine->kernel_cmdline;
> -        binfo->initrd_filename = machine->initrd_filename;
> -        arm_load_kernel(s->mpu->cpu, binfo);
> +        arm_load_kernel(s->mpu->cpu, machine, binfo);
>  
>          qemu_register_reset(n8x0_boot_init, s);
>      }
> diff --git a/hw/arm/omap_sx1.c b/hw/arm/omap_sx1.c
> index cae78d0a36..3cc2817f06 100644
> --- a/hw/arm/omap_sx1.c
> +++ b/hw/arm/omap_sx1.c
> @@ -196,10 +196,7 @@ static void sx1_init(MachineState *machine, const int 
> version)
>      }
>  
>      /* Load the kernel.  */
> -    sx1_binfo.kernel_filename = machine->kernel_filename;
> -    sx1_binfo.kernel_cmdline = machine->kernel_cmdline;
> -    sx1_binfo.initrd_filename = machine->initrd_filename;
> -    arm_load_kernel(mpu->cpu, &sx1_binfo);
> +    arm_load_kernel(mpu->cpu, machine, &sx1_binfo);
>  
>      /* TODO: fix next line */
>      //~ qemu_console_resize(ds, 640, 480);
> diff --git a/hw/arm/palm.c b/hw/arm/palm.c
> index 9eb9612bce..67ab30b5bc 100644
> --- a/hw/arm/palm.c
> +++ b/hw/arm/palm.c
> @@ -186,9 +186,6 @@ static struct arm_boot_info palmte_binfo = {
>  
>  static void palmte_init(MachineState *machine)
>  {
> -    const char *kernel_filename = machine->kernel_filename;
> -    const char *kernel_cmdline = machine->kernel_cmdline;
> -    const char *initrd_filename = machine->initrd_filename;
>      MemoryRegion *address_space_mem = get_system_memory();
>      struct omap_mpu_state_s *mpu;
>      int flash_size = 0x00800000;
> @@ -248,16 +245,13 @@ static void palmte_init(MachineState *machine)
>          }
>      }
>  
> -    if (!rom_loaded && !kernel_filename && !qtest_enabled()) {
> +    if (!rom_loaded && !machine->kernel_filename && !qtest_enabled()) {
>          fprintf(stderr, "Kernel or ROM image must be specified\n");
>          exit(1);
>      }
>  
>      /* Load the kernel.  */
> -    palmte_binfo.kernel_filename = kernel_filename;
> -    palmte_binfo.kernel_cmdline = kernel_cmdline;
> -    palmte_binfo.initrd_filename = initrd_filename;
> -    arm_load_kernel(mpu->cpu, &palmte_binfo);
> +    arm_load_kernel(mpu->cpu, machine, &palmte_binfo);
>  }
>  
>  static void palmte_machine_init(MachineClass *mc)
> diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
> index 5b2620acb4..74c062d05e 100644
> --- a/hw/arm/raspi.c
> +++ b/hw/arm/raspi.c
> @@ -157,13 +157,9 @@ static void setup_boot(MachineState *machine, int 
> version, size_t ram_size)
>  
>          binfo.entry = firmware_addr;
>          binfo.firmware_loaded = true;
> -    } else {
> -        binfo.kernel_filename = machine->kernel_filename;
> -        binfo.kernel_cmdline = machine->kernel_cmdline;
> -        binfo.initrd_filename = machine->initrd_filename;
>      }
>  
> -    arm_load_kernel(ARM_CPU(first_cpu), &binfo);
> +    arm_load_kernel(ARM_CPU(first_cpu), machine, &binfo);
>  }
>  
>  static void raspi_init(MachineState *machine, int version)
> diff --git a/hw/arm/realview.c b/hw/arm/realview.c
> index 7c56c8d2ed..5a3e65ddd6 100644
> --- a/hw/arm/realview.c
> +++ b/hw/arm/realview.c
> @@ -350,13 +350,10 @@ static void realview_init(MachineState *machine,
>      memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, ram_hack);
>  
>      realview_binfo.ram_size = ram_size;
> -    realview_binfo.kernel_filename = machine->kernel_filename;
> -    realview_binfo.kernel_cmdline = machine->kernel_cmdline;
> -    realview_binfo.initrd_filename = machine->initrd_filename;
>      realview_binfo.nb_cpus = smp_cpus;
>      realview_binfo.board_id = realview_board_id[board_type];
>      realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 
> 0);
> -    arm_load_kernel(ARM_CPU(first_cpu), &realview_binfo);
> +    arm_load_kernel(ARM_CPU(first_cpu), machine, &realview_binfo);
>  }
>  
>  static void realview_eb_init(MachineState *machine)
> diff --git a/hw/arm/sabrelite.c b/hw/arm/sabrelite.c
> index 934f4c9261..8f4b68e14c 100644
> --- a/hw/arm/sabrelite.c
> +++ b/hw/arm/sabrelite.c
> @@ -102,16 +102,13 @@ static void sabrelite_init(MachineState *machine)
>      }
>  
>      sabrelite_binfo.ram_size = machine->ram_size;
> -    sabrelite_binfo.kernel_filename = machine->kernel_filename;
> -    sabrelite_binfo.kernel_cmdline = machine->kernel_cmdline;
> -    sabrelite_binfo.initrd_filename = machine->initrd_filename;
>      sabrelite_binfo.nb_cpus = machine->smp.cpus;
>      sabrelite_binfo.secure_boot = true;
>      sabrelite_binfo.write_secondary_boot = sabrelite_write_secondary;
>      sabrelite_binfo.secondary_cpu_reset_hook = sabrelite_reset_secondary;
>  
>      if (!qtest_enabled()) {
> -        arm_load_kernel(&s->soc.cpu[0], &sabrelite_binfo);
> +        arm_load_kernel(&s->soc.cpu[0], machine, &sabrelite_binfo);
>      }
>  }
>  
> diff --git a/hw/arm/sbsa-ref.c b/hw/arm/sbsa-ref.c
> index 9c67d5c6f9..2aba3c58c5 100644
> --- a/hw/arm/sbsa-ref.c
> +++ b/hw/arm/sbsa-ref.c
> @@ -709,13 +709,12 @@ static void sbsa_ref_init(MachineState *machine)
>      create_pcie(sms, pic);
>  
>      sms->bootinfo.ram_size = machine->ram_size;
> -    sms->bootinfo.kernel_filename = machine->kernel_filename;
>      sms->bootinfo.nb_cpus = smp_cpus;
>      sms->bootinfo.board_id = -1;
>      sms->bootinfo.loader_start = sbsa_ref_memmap[SBSA_MEM].base;
>      sms->bootinfo.get_dtb = sbsa_ref_dtb;
>      sms->bootinfo.firmware_loaded = firmware_loaded;
> -    arm_load_kernel(ARM_CPU(first_cpu), &sms->bootinfo);
> +    arm_load_kernel(ARM_CPU(first_cpu), machine, &sms->bootinfo);
>  }
>  
>  static uint64_t sbsa_ref_cpu_mp_affinity(SBSAMachineState *sms, int idx)
> diff --git a/hw/arm/spitz.c b/hw/arm/spitz.c
> index 723cf5d592..42338696b3 100644
> --- a/hw/arm/spitz.c
> +++ b/hw/arm/spitz.c
> @@ -951,11 +951,8 @@ static void spitz_common_init(MachineState *machine,
>          /* A 4.0 GB microdrive is permanently sitting in CF slot 0.  */
>          spitz_microdrive_attach(mpu, 0);
>  
> -    spitz_binfo.kernel_filename = machine->kernel_filename;
> -    spitz_binfo.kernel_cmdline = machine->kernel_cmdline;
> -    spitz_binfo.initrd_filename = machine->initrd_filename;
>      spitz_binfo.board_id = arm_id;
> -    arm_load_kernel(mpu->cpu, &spitz_binfo);
> +    arm_load_kernel(mpu->cpu, machine, &spitz_binfo);
>      sl_bootparam_write(SL_PXA_PARAM_BASE);
>  }
>  
> diff --git a/hw/arm/tosa.c b/hw/arm/tosa.c
> index 7843d68d46..3a1de81278 100644
> --- a/hw/arm/tosa.c
> +++ b/hw/arm/tosa.c
> @@ -218,9 +218,6 @@ static struct arm_boot_info tosa_binfo = {
>  
>  static void tosa_init(MachineState *machine)
>  {
> -    const char *kernel_filename = machine->kernel_filename;
> -    const char *kernel_cmdline = machine->kernel_cmdline;
> -    const char *initrd_filename = machine->initrd_filename;
>      MemoryRegion *address_space_mem = get_system_memory();
>      MemoryRegion *rom = g_new(MemoryRegion, 1);
>      PXA2xxState *mpu;
> @@ -245,11 +242,8 @@ static void tosa_init(MachineState *machine)
>  
>      tosa_tg_init(mpu);
>  
> -    tosa_binfo.kernel_filename = kernel_filename;
> -    tosa_binfo.kernel_cmdline = kernel_cmdline;
> -    tosa_binfo.initrd_filename = initrd_filename;
>      tosa_binfo.board_id = 0x208;
> -    arm_load_kernel(mpu->cpu, &tosa_binfo);
> +    arm_load_kernel(mpu->cpu, machine, &tosa_binfo);
>      sl_bootparam_write(SL_PXA_PARAM_BASE);
>  }
>  
> diff --git a/hw/arm/versatilepb.c b/hw/arm/versatilepb.c
> index e5857117ac..d3c3c00f55 100644
> --- a/hw/arm/versatilepb.c
> +++ b/hw/arm/versatilepb.c
> @@ -373,11 +373,8 @@ static void versatile_init(MachineState *machine, int 
> board_id)
>      }
>  
>      versatile_binfo.ram_size = machine->ram_size;
> -    versatile_binfo.kernel_filename = machine->kernel_filename;
> -    versatile_binfo.kernel_cmdline = machine->kernel_cmdline;
> -    versatile_binfo.initrd_filename = machine->initrd_filename;
>      versatile_binfo.board_id = board_id;
> -    arm_load_kernel(cpu, &versatile_binfo);
> +    arm_load_kernel(cpu, machine, &versatile_binfo);
>  }
>  
>  static void vpb_init(MachineState *machine)
> diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c
> index 5d932c27c0..4673a88a8d 100644
> --- a/hw/arm/vexpress.c
> +++ b/hw/arm/vexpress.c
> @@ -707,9 +707,6 @@ static void vexpress_common_init(MachineState *machine)
>      }
>  
>      daughterboard->bootinfo.ram_size = machine->ram_size;
> -    daughterboard->bootinfo.kernel_filename = machine->kernel_filename;
> -    daughterboard->bootinfo.kernel_cmdline = machine->kernel_cmdline;
> -    daughterboard->bootinfo.initrd_filename = machine->initrd_filename;
>      daughterboard->bootinfo.nb_cpus = machine->smp.cpus;
>      daughterboard->bootinfo.board_id = VEXPRESS_BOARD_ID;
>      daughterboard->bootinfo.loader_start = daughterboard->loader_start;
> @@ -719,7 +716,7 @@ static void vexpress_common_init(MachineState *machine)
>      daughterboard->bootinfo.modify_dtb = vexpress_modify_dtb;
>      /* When booting Linux we should be in secure state if the CPU has one. */
>      daughterboard->bootinfo.secure_boot = vms->secure;
> -    arm_load_kernel(ARM_CPU(first_cpu), &daughterboard->bootinfo);
> +    arm_load_kernel(ARM_CPU(first_cpu), machine, &daughterboard->bootinfo);
>  }
>  
>  static bool vexpress_get_secure(Object *obj, Error **errp)
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index d9496c9363..6ffb80bf5b 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -1364,6 +1364,7 @@ void virt_machine_done(Notifier *notifier, void *data)
>  {
>      VirtMachineState *vms = container_of(notifier, VirtMachineState,
>                                           machine_done);
> +    MachineState *ms = MACHINE(vms);
>      ARMCPU *cpu = ARM_CPU(first_cpu);
>      struct arm_boot_info *info = &vms->bootinfo;
>      AddressSpace *as = arm_boot_address_space(cpu, info);
> @@ -1381,7 +1382,7 @@ void virt_machine_done(Notifier *notifier, void *data)
>                                         vms->memmap[VIRT_PLATFORM_BUS].size,
>                                         vms->irqmap[VIRT_PLATFORM_BUS]);
>      }
> -    if (arm_load_dtb(info->dtb_start, info, info->dtb_limit, as) < 0) {
> +    if (arm_load_dtb(info->dtb_start, info, info->dtb_limit, as, ms) < 0) {
>          exit(1);
>      }
>  
> @@ -1707,16 +1708,13 @@ static void machvirt_init(MachineState *machine)
>      create_platform_bus(vms, pic);
>  
>      vms->bootinfo.ram_size = machine->ram_size;
> -    vms->bootinfo.kernel_filename = machine->kernel_filename;
> -    vms->bootinfo.kernel_cmdline = machine->kernel_cmdline;
> -    vms->bootinfo.initrd_filename = machine->initrd_filename;
>      vms->bootinfo.nb_cpus = smp_cpus;
>      vms->bootinfo.board_id = -1;
>      vms->bootinfo.loader_start = vms->memmap[VIRT_MEM].base;
>      vms->bootinfo.get_dtb = machvirt_dtb;
>      vms->bootinfo.skip_dtb_autoload = true;
>      vms->bootinfo.firmware_loaded = firmware_loaded;
> -    arm_load_kernel(ARM_CPU(first_cpu), &vms->bootinfo);
> +    arm_load_kernel(ARM_CPU(first_cpu), machine, &vms->bootinfo);
>  
>      vms->machine_done.notify = virt_machine_done;
>      qemu_add_machine_init_done_notifier(&vms->machine_done);
> diff --git a/hw/arm/xilinx_zynq.c b/hw/arm/xilinx_zynq.c
> index 89da34808b..c14774e542 100644
> --- a/hw/arm/xilinx_zynq.c
> +++ b/hw/arm/xilinx_zynq.c
> @@ -158,9 +158,6 @@ static inline void zynq_init_spi_flashes(uint32_t 
> base_addr, qemu_irq irq,
>  static void zynq_init(MachineState *machine)
>  {
>      ram_addr_t ram_size = machine->ram_size;
> -    const char *kernel_filename = machine->kernel_filename;
> -    const char *kernel_cmdline = machine->kernel_cmdline;
> -    const char *initrd_filename = machine->initrd_filename;
>      ARMCPU *cpu;
>      MemoryRegion *address_space_mem = get_system_memory();
>      MemoryRegion *ext_ram = g_new(MemoryRegion, 1);
> @@ -303,16 +300,13 @@ static void zynq_init(MachineState *machine)
>      sysbus_mmio_map(busdev, 0, 0xF8007000);
>  
>      zynq_binfo.ram_size = ram_size;
> -    zynq_binfo.kernel_filename = kernel_filename;
> -    zynq_binfo.kernel_cmdline = kernel_cmdline;
> -    zynq_binfo.initrd_filename = initrd_filename;
>      zynq_binfo.nb_cpus = 1;
>      zynq_binfo.board_id = 0xd32;
>      zynq_binfo.loader_start = 0;
>      zynq_binfo.board_setup_addr = BOARD_SETUP_ADDR;
>      zynq_binfo.write_board_setup = zynq_write_board_setup;
>  
> -    arm_load_kernel(ARM_CPU(first_cpu), &zynq_binfo);
> +    arm_load_kernel(ARM_CPU(first_cpu), machine, &zynq_binfo);
>  }
>  
>  static void zynq_machine_init(MachineClass *mc)
> diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c
> index f95fde2309..462493c467 100644
> --- a/hw/arm/xlnx-versal-virt.c
> +++ b/hw/arm/xlnx-versal-virt.c
> @@ -441,14 +441,11 @@ static void versal_virt_init(MachineState *machine)
>                                          0, &s->soc.fpd.apu.mr, 0);
>  
>      s->binfo.ram_size = machine->ram_size;
> -    s->binfo.kernel_filename = machine->kernel_filename;
> -    s->binfo.kernel_cmdline = machine->kernel_cmdline;
> -    s->binfo.initrd_filename = machine->initrd_filename;
>      s->binfo.loader_start = 0x0;
>      s->binfo.get_dtb = versal_virt_get_dtb;
>      s->binfo.modify_dtb = versal_virt_modify_dtb;
>      if (machine->kernel_filename) {
> -        arm_load_kernel(s->soc.fpd.apu.cpu[0], &s->binfo);
> +        arm_load_kernel(s->soc.fpd.apu.cpu[0], machine, &s->binfo);
>      } else {
>          AddressSpace *as = arm_boot_address_space(s->soc.fpd.apu.cpu[0],
>                                                    &s->binfo);
> @@ -457,7 +454,7 @@ static void versal_virt_init(MachineState *machine)
>          s->binfo.loader_start = 0x1000;
>          s->binfo.dtb_limit = 0x1000000;
>          if (arm_load_dtb(s->binfo.loader_start,
> -                         &s->binfo, s->binfo.dtb_limit, as) < 0) {
> +                         &s->binfo, s->binfo.dtb_limit, as, machine) < 0) {
>              exit(EXIT_FAILURE);
>          }
>      }
> diff --git a/hw/arm/xlnx-zcu102.c b/hw/arm/xlnx-zcu102.c
> index 044d3394c0..53cfe7c1f1 100644
> --- a/hw/arm/xlnx-zcu102.c
> +++ b/hw/arm/xlnx-zcu102.c
> @@ -171,11 +171,8 @@ static void xlnx_zcu102_init(MachineState *machine)
>      /* TODO create and connect IDE devices for ide_drive_get() */
>  
>      xlnx_zcu102_binfo.ram_size = ram_size;
> -    xlnx_zcu102_binfo.kernel_filename = machine->kernel_filename;
> -    xlnx_zcu102_binfo.kernel_cmdline = machine->kernel_cmdline;
> -    xlnx_zcu102_binfo.initrd_filename = machine->initrd_filename;
>      xlnx_zcu102_binfo.loader_start = 0;
> -    arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_zcu102_binfo);
> +    arm_load_kernel(s->soc.boot_cpu_ptr, machine, &xlnx_zcu102_binfo);
>  }
>  
>  static void xlnx_zcu102_machine_instance_init(Object *obj)
> diff --git a/hw/arm/z2.c b/hw/arm/z2.c
> index 44aa748d39..2f21421683 100644
> --- a/hw/arm/z2.c
> +++ b/hw/arm/z2.c
> @@ -296,9 +296,6 @@ static const TypeInfo aer915_info = {
>  
>  static void z2_init(MachineState *machine)
>  {
> -    const char *kernel_filename = machine->kernel_filename;
> -    const char *kernel_cmdline = machine->kernel_cmdline;
> -    const char *initrd_filename = machine->initrd_filename;
>      MemoryRegion *address_space_mem = get_system_memory();
>      uint32_t sector_len = 0x10000;
>      PXA2xxState *mpu;
> @@ -352,11 +349,8 @@ static void z2_init(MachineState *machine)
>      qdev_connect_gpio_out(mpu->gpio, Z2_GPIO_LCD_CS,
>                            qemu_allocate_irq(z2_lcd_cs, z2_lcd, 0));
>  
> -    z2_binfo.kernel_filename = kernel_filename;
> -    z2_binfo.kernel_cmdline = kernel_cmdline;
> -    z2_binfo.initrd_filename = initrd_filename;
>      z2_binfo.board_id = 0x6dd;
> -    arm_load_kernel(mpu->cpu, &z2_binfo);
> +    arm_load_kernel(mpu->cpu, machine, &z2_binfo);
>  }
>  
>  static void z2_machine_init(MachineClass *mc)
> diff --git a/include/hw/arm/boot.h b/include/hw/arm/boot.h
> index c48cc4c2bc..2673abe81f 100644
> --- a/include/hw/arm/boot.h
> +++ b/include/hw/arm/boot.h
> @@ -133,7 +133,7 @@ struct arm_boot_info {
>   * before sysbus-fdt arm_register_platform_bus_fdt_creator. Indeed the
>   * machine init done notifiers are called in registration reverse order.
>   */
> -void arm_load_kernel(ARMCPU *cpu, struct arm_boot_info *info);
> +void arm_load_kernel(ARMCPU *cpu, MachineState *ms, struct arm_boot_info 
> *info);
>  
>  AddressSpace *arm_boot_address_space(ARMCPU *cpu,
>                                       const struct arm_boot_info *info);
> @@ -160,7 +160,7 @@ AddressSpace *arm_boot_address_space(ARMCPU *cpu,
>   * Note: Must not be called unless have_dtb(binfo) is true.
>   */
>  int arm_load_dtb(hwaddr addr, const struct arm_boot_info *binfo,
> -                 hwaddr addr_limit, AddressSpace *as);
> +                 hwaddr addr_limit, AddressSpace *as, MachineState *ms);
>  
>  /* Write a secure board setup routine with a dummy handler for SMCs */
>  void arm_write_secure_board_setup_dummy_smc(ARMCPU *cpu,
> -- 
> 2.20.1
> 
> 

-- 
Eduardo



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