@@ -173,6 +173,46 @@ target_ulong riscv_load_firmware(const char *firmware_filename,
exit(1);
}
+static void riscv_load_initrd(MachineState *machine, uint64_t kernel_entry)
+{
+ const char *filename = machine->initrd_filename;
+ uint64_t mem_size = machine->ram_size;
+ void *fdt = machine->fdt;
+ hwaddr start, end;
+ ssize_t size;
+
+ g_assert(filename != NULL);
+
+ /*
+ * We want to put the initrd far enough into RAM that when the
+ * kernel is uncompressed it will not clobber the initrd. However
+ * on boards without much RAM we must ensure that we still leave
+ * enough room for a decent sized initrd, and on boards with large
+ * amounts of RAM we must avoid the initrd being so far up in RAM
+ * that it is outside lowmem and inaccessible to the kernel.
+ * So for boards with less than 256MB of RAM we put the initrd
+ * halfway into RAM, and for boards with 256MB of RAM or more we put
+ * the initrd at 128MB.
+ */
+ start = kernel_entry + MIN(mem_size / 2, 128 * MiB);
+
+ size = load_ramdisk(filename, start, mem_size - start);
+ if (size == -1) {
+ size = load_image_targphys(filename, start, mem_size - start);
+ if (size == -1) {
+ error_report("could not load ramdisk '%s'", filename);
+ exit(1);
+ }
+ }
+
+ /* Some RISC-V machines (e.g. opentitan) don't have a fdt. */
+ if (fdt) {
+ end = start + size;
+ qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-start", start);
+ qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end", end);
+ }
+}
+
target_ulong riscv_load_kernel(MachineState *machine,
RISCVHartArrayState *harts,
target_ulong kernel_start_addr,
@@ -234,46 +274,6 @@ out:
return kernel_entry;
}
-void riscv_load_initrd(MachineState *machine, uint64_t kernel_entry)
-{
- const char *filename = machine->initrd_filename;
- uint64_t mem_size = machine->ram_size;
- void *fdt = machine->fdt;
- hwaddr start, end;
- ssize_t size;
-
- g_assert(filename != NULL);
-
- /*
- * We want to put the initrd far enough into RAM that when the
- * kernel is uncompressed it will not clobber the initrd. However
- * on boards without much RAM we must ensure that we still leave
- * enough room for a decent sized initrd, and on boards with large
- * amounts of RAM we must avoid the initrd being so far up in RAM
- * that it is outside lowmem and inaccessible to the kernel.
- * So for boards with less than 256MB of RAM we put the initrd
- * halfway into RAM, and for boards with 256MB of RAM or more we put
- * the initrd at 128MB.
- */
- start = kernel_entry + MIN(mem_size / 2, 128 * MiB);
-
- size = load_ramdisk(filename, start, mem_size - start);
- if (size == -1) {
- size = load_image_targphys(filename, start, mem_size - start);
- if (size == -1) {
- error_report("could not load ramdisk '%s'", filename);
- exit(1);
- }
- }
-
- /* Some RISC-V machines (e.g. opentitan) don't have a fdt. */
- if (fdt) {
- end = start + size;
- qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-start", start);
- qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end", end);
- }
-}
-
/*
* This function makes an assumption that the DRAM interval
* 'dram_base' + 'dram_size' is contiguous.
@@ -48,7 +48,6 @@ target_ulong riscv_load_kernel(MachineState *machine,
target_ulong firmware_end_addr,
bool load_initrd,
symbol_fn_t sym_cb);
-void riscv_load_initrd(MachineState *machine, uint64_t kernel_entry);
uint64_t riscv_compute_fdt_addr(hwaddr dram_start, uint64_t dram_size,
MachineState *ms);
void riscv_load_fdt(hwaddr fdt_addr, void *fdt);