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ppc: virtex_ml507: QEMU_OPTION_dtb support for this machine. 

QEMU has 'dtb' option for specifing the device tree file for the kernel.
The patch adds support for this option to the 'virtex_ml507' machine
implementation.

Signed-off-by: Efimov Vasily <real@ispras.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Efimov Vasily 2013-08-14 17:26:08 +04:00 committed by Alexander Graf
parent 95f5b6e3af
commit daf285b606
1 changed files with 20 additions and 11 deletions
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15
hw/ppc/virtex_ml507.c
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@ -141,9 +141,18 @@ static int xilinx_load_device_tree(hwaddr addr,
{
char *path;
int fdt_size;
void *fdt;
void *fdt = NULL;
int r;
const char *dtb_filename;
dtb_filename = qemu_opt_get(qemu_get_machine_opts(), "dtb");
if (dtb_filename) {
fdt = load_device_tree(dtb_filename, &fdt_size);
if (!fdt) {
error_report("Error while loading device tree file '%s'",
dtb_filename);
}
} else {
/* Try the local "ppc.dtb" override. */
fdt = load_device_tree("ppc.dtb", &fdt_size);
if (!fdt) {
@ -152,11 +161,11 @@ static int xilinx_load_device_tree(hwaddr addr,
fdt = load_device_tree(path, &fdt_size);
g_free(path);
}
}
}
if (!fdt) {
return 0;
}
}
r = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs", kernel_cmdline);
if (r < 0)
fprintf(stderr, "couldn't set /chosen/bootargs\n");