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RISC-V: Don't add NULL bootargs to device-tree

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Signed-off-by: Michael Clark <mjc@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This commit is contained in:
Michael Clark 2018-05-22 13:33:28 +12:00 committed by Palmer Dabbelt
parent b6aa6cedf4
commit 7c28f4da20
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GPG Key ID: EF4CA1502CCBAB41
3 changed files with 10 additions and 4 deletions
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4
hw/riscv/sifive_u.c
View File

@ -230,7 +230,9 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap,
qemu_fdt_add_subnode(fdt, "/chosen");
qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", nodename);
qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline);
if (cmdline) {
qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline);
}
g_free(nodename);
}

6
hw/riscv/spike.c
View File

@ -156,8 +156,10 @@ static void create_fdt(SpikeState *s, const struct MemmapEntry *memmap,
g_free(cells);
g_free(nodename);
qemu_fdt_add_subnode(fdt, "/chosen");
qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline);
if (cmdline) {
qemu_fdt_add_subnode(fdt, "/chosen");
qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline);
}
}
static void spike_v1_10_0_board_init(MachineState *machine)

4
hw/riscv/virt.c
View File

@ -254,7 +254,9 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap,
qemu_fdt_add_subnode(fdt, "/chosen");
qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", nodename);
qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline);
if (cmdline) {
qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline);
}
g_free(nodename);
return fdt;