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authorAlistair Francis <alistair.francis@wdc.com>2019-06-24 15:11:54 -0700
committerPalmer Dabbelt <palmer@sifive.com>2019-06-27 02:47:06 -0700
commit395fd69582a00b76a89c12d9c074055a9d207997 (patch)
tree12358d3ce47df93e58629faf0714d6caca2a99e1 /hw/riscv
parentb30422231b90c089ce73aa4b40461bfdc1be0371 (diff)
hw/riscv: Extend the kernel loading support
Extend the RISC-V kernel loader to support Image and uImage files. A Linux kernel can now be booted with: qemu-system-riscv64 -machine virt -bios fw_jump.bin -kernel Image Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'hw/riscv')
-rw-r--r--hw/riscv/boot.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c
index 883df49a0c..ff023f42d0 100644
--- a/hw/riscv/boot.c
+++ b/hw/riscv/boot.c
@@ -56,12 +56,22 @@ target_ulong riscv_load_kernel(const char *kernel_filename)
uint64_t kernel_entry, kernel_high;
if (load_elf(kernel_filename, NULL, NULL, NULL,
- &kernel_entry, NULL, &kernel_high, 0, EM_RISCV, 1, 0) < 0) {
- error_report("could not load kernel '%s'", kernel_filename);
- exit(1);
+ &kernel_entry, NULL, &kernel_high, 0, EM_RISCV, 1, 0) > 0) {
+ return kernel_entry;
}
- return kernel_entry;
+ if (load_uimage_as(kernel_filename, &kernel_entry, NULL, NULL,
+ NULL, NULL, NULL) > 0) {
+ return kernel_entry;
+ }
+
+ if (load_image_targphys_as(kernel_filename, KERNEL_BOOT_ADDRESS,
+ ram_size, NULL) > 0) {
+ return KERNEL_BOOT_ADDRESS;
+ }
+
+ error_report("could not load kernel '%s'", kernel_filename);
+ exit(1);
}
hwaddr riscv_load_initrd(const char *filename, uint64_t mem_size,