From: Bibo Mao <[email protected]> Add bootarg and initrd information in fdt tree.
Signed-off-by: Bibo Mao <[email protected]> Reviewed-by: Song Gao <[email protected]> Message-ID: <[email protected]> Signed-off-by: Song Gao <[email protected]> --- hw/loongarch/virt-fdt-build.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/hw/loongarch/virt-fdt-build.c b/hw/loongarch/virt-fdt-build.c index 6c06b36fca..c6f5d022c5 100644 --- a/hw/loongarch/virt-fdt-build.c +++ b/hw/loongarch/virt-fdt-build.c @@ -25,6 +25,7 @@ static void create_fdt(LoongArchVirtMachineState *lvms) { MachineState *ms = MACHINE(lvms); uint8_t rng_seed[32]; + int ret; ms->fdt = create_device_tree(&lvms->fdt_size); if (!ms->fdt) { @@ -39,6 +40,32 @@ static void create_fdt(LoongArchVirtMachineState *lvms) qemu_fdt_setprop_cell(ms->fdt, "/", "#size-cells", 0x2); qemu_fdt_add_subnode(ms->fdt, "/chosen"); + if (ms->kernel_cmdline && *ms->kernel_cmdline) { + ret = qemu_fdt_setprop_string(ms->fdt, "/chosen", "bootargs", + ms->kernel_cmdline); + if (ret < 0) { + error_report("set /chosen/bootargs failed"); + exit(1); + } + } + + if (lvms->bootinfo.initrd_addr) { + ret = qemu_fdt_setprop_cell(ms->fdt, "/chosen", "linux,initrd-start", + lvms->bootinfo.initrd_addr); + if (ret < 0) { + error_report("set /chosen/linux,initrd-start failed"); + exit(1); + } + + ret = qemu_fdt_setprop_cell(ms->fdt, "/chosen", "linux,initrd-end", + lvms->bootinfo.initrd_addr + + lvms->bootinfo.initrd_size); + if (ret < 0) { + error_report("set /chosen/linux,initrd-end failed"); + exit(1); + } + } + /* Pass seed to RNG */ qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed)); qemu_fdt_setprop(ms->fdt, "/chosen", "rng-seed", rng_seed, sizeof(rng_seed)); -- 2.55.0
