this blob loader will be used to load a specified blob into a specified RAM address.
Signed-off-by: Li Guang <lig.f...@cn.fujitsu.com> --- it can be used now for allwinner-a10, like: "-device blob-loader,addr=0x43000000,file=/path/script.bin" reference: http://linux-sunxi.org/Sunxi-tools script file address: http://dl.dbank.com/c00aonvlmw Thanks to Peter Crosthwaite for the idea! --- default-configs/arm-softmmu.mak | 2 + hw/misc/Makefile.objs | 2 + hw/misc/blob-loader.c | 75 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 79 insertions(+), 0 deletions(-) create mode 100644 hw/misc/blob-loader.c diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak index ce1d620..50c71a6 100644 --- a/default-configs/arm-softmmu.mak +++ b/default-configs/arm-softmmu.mak @@ -87,3 +87,5 @@ CONFIG_INTEGRATOR_DEBUG=y CONFIG_ALLWINNER_A10_PIT=y CONFIG_ALLWINNER_A10_PIC=y CONFIG_ALLWINNER_A10=y + +CONFIG_BLOB_LOADER=y diff --git a/hw/misc/Makefile.objs b/hw/misc/Makefile.objs index f674365..df28288 100644 --- a/hw/misc/Makefile.objs +++ b/hw/misc/Makefile.objs @@ -42,3 +42,5 @@ obj-$(CONFIG_SLAVIO) += slavio_misc.o obj-$(CONFIG_ZYNQ) += zynq_slcr.o obj-$(CONFIG_PVPANIC) += pvpanic.o + +obj-$(CONFIG_BLOB_LOADER) += blob-loader.o diff --git a/hw/misc/blob-loader.c b/hw/misc/blob-loader.c new file mode 100644 index 0000000..d7f1408 --- /dev/null +++ b/hw/misc/blob-loader.c @@ -0,0 +1,75 @@ +#include "hw/sysbus.h" +#include "hw/devices.h" +#include "hw/loader.h" +#include "qemu/error-report.h" + +typedef struct BlobLoaderState { + DeviceState qdev; + uint32_t addr; + char *file; +} BlobLoaderState; + +#define TYPE_BLOB_LOADER "blob-loader" +#define BLOB_LOADER(obj) OBJECT_CHECK(BlobLoaderState, (obj), TYPE_BLOB_LOADER) + +static Property blob_loader_props[] = { + DEFINE_PROP_UINT32("addr", BlobLoaderState, addr, 0), + DEFINE_PROP_STRING("file", BlobLoaderState, file), + DEFINE_PROP_END_OF_LIST(), +}; + +static void do_blob_load(BlobLoaderState *s) +{ + char *file_name; + int file_size; + + if (s->file == NULL) { + error_report("please spicify a file for blob loader\n"); + return; + } + file_name = qemu_find_file(QEMU_FILE_TYPE_BIOS, s->file); + if (file_name == NULL) { + error_report("can't find %s\n", s->file); + return; + } + file_size = get_image_size(file_name); + if (file_size < 0) { + error_report("can't get file size of %s\n", file_name); + return; + } + if (load_image_targphys(file_name, s->addr, file_size) < 0) { + error_report("can't load %s\n", file_name); + return; + } +} + +static int blob_loader_init(DeviceState *dev) +{ + BlobLoaderState *s = BLOB_LOADER(dev); + + do_blob_load(s); + return 0; +} + +static void blob_loader_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->props = blob_loader_props; + dc->desc = "blob loader"; + dc->init = blob_loader_init; +} + +static TypeInfo blob_loader_info = { + .name = TYPE_BLOB_LOADER, + .parent = TYPE_DEVICE, + .instance_size = sizeof(BlobLoaderState), + .class_init = blob_loader_class_init, +}; + +static void blob_loader_register_type(void) +{ + type_register_static(&blob_loader_info); +} + +type_init(blob_loader_register_type) -- 1.7.2.5
