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authorPaolo Bonzini <pbonzini@redhat.com>2013-02-05 12:03:15 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-03-01 15:01:19 +0100
commit530182169e897c0e401b245552a4c58dc6846912 (patch)
tree8c39251d7e89855a89d925359f71639400782cd6 /hw/m68k/dummy_m68k.c
parente4c8b28cde12d01ada8fe869567dc5717a2dfcb7 (diff)
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hw: move boards and other isolated files to hw/ARCH
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/m68k/dummy_m68k.c')
-rw-r--r--hw/m68k/dummy_m68k.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/hw/m68k/dummy_m68k.c b/hw/m68k/dummy_m68k.c
new file mode 100644
index 0000000..544d56b
--- /dev/null
+++ b/hw/m68k/dummy_m68k.c
@@ -0,0 +1,84 @@
+/*
+ * Dummy board with just RAM and CPU for use as an ISS.
+ *
+ * Copyright (c) 2007 CodeSourcery.
+ *
+ * This code is licensed under the GPL
+ */
+
+#include "hw/hw.h"
+#include "hw/boards.h"
+#include "hw/loader.h"
+#include "elf.h"
+#include "exec/address-spaces.h"
+
+#define KERNEL_LOAD_ADDR 0x10000
+
+/* Board init. */
+
+static void dummy_m68k_init(QEMUMachineInitArgs *args)
+{
+ ram_addr_t ram_size = args->ram_size;
+ const char *cpu_model = args->cpu_model;
+ const char *kernel_filename = args->kernel_filename;
+ CPUM68KState *env;
+ MemoryRegion *address_space_mem = get_system_memory();
+ MemoryRegion *ram = g_new(MemoryRegion, 1);
+ int kernel_size;
+ uint64_t elf_entry;
+ hwaddr entry;
+
+ if (!cpu_model)
+ cpu_model = "cfv4e";
+ env = cpu_init(cpu_model);
+ if (!env) {
+ fprintf(stderr, "Unable to find m68k CPU definition\n");
+ exit(1);
+ }
+
+ /* Initialize CPU registers. */
+ env->vbr = 0;
+
+ /* RAM at address zero */
+ memory_region_init_ram(ram, "dummy_m68k.ram", ram_size);
+ vmstate_register_ram_global(ram);
+ memory_region_add_subregion(address_space_mem, 0, ram);
+
+ /* Load kernel. */
+ if (kernel_filename) {
+ kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry,
+ NULL, NULL, 1, ELF_MACHINE, 0);
+ entry = elf_entry;
+ if (kernel_size < 0) {
+ kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL);
+ }
+ if (kernel_size < 0) {
+ kernel_size = load_image_targphys(kernel_filename,
+ KERNEL_LOAD_ADDR,
+ ram_size - KERNEL_LOAD_ADDR);
+ entry = KERNEL_LOAD_ADDR;
+ }
+ if (kernel_size < 0) {
+ fprintf(stderr, "qemu: could not load kernel '%s'\n",
+ kernel_filename);
+ exit(1);
+ }
+ } else {
+ entry = 0;
+ }
+ env->pc = entry;
+}
+
+static QEMUMachine dummy_m68k_machine = {
+ .name = "dummy",
+ .desc = "Dummy board",
+ .init = dummy_m68k_init,
+ DEFAULT_MACHINE_OPTIONS,
+};
+
+static void dummy_m68k_machine_init(void)
+{
+ qemu_register_machine(&dummy_m68k_machine);
+}
+
+machine_init(dummy_m68k_machine_init);