Add dummy m68k board.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3567 c046a42c-6fe2-441c-8c8c-71466251a162

4 files changed, 71 insertions, 1 deletions

diff --git a/Makefile.target b/Makefile.target
index ab925ad096..ee91a57d19 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -508,7 +508,7 @@ VL_OBJS+= sh_timer.o ptimer.o sh_serial.o sh_intc.o
 endif
 ifeq ($(TARGET_BASE_ARCH), m68k)
 VL_OBJS+= an5206.o mcf5206.o ptimer.o mcf_uart.o mcf_intc.o mcf5208.o mcf_fec.o
-VL_OBJS+= m68k-semi.o
+VL_OBJS+= m68k-semi.o dummy_m68k.o
 endif
 ifdef CONFIG_GDBSTUB
 VL_OBJS+=gdbstub.o
diff --git a/hw/dummy_m68k.c b/hw/dummy_m68k.c
new file mode 100644
index 0000000000..6305915087
--- /dev/null
+++ b/hw/dummy_m68k.c
@@ -0,0 +1,66 @@
+/*
+ * Dummy board with just RAM and CPU for use as an ISS.
+ *
+ * Copyright (c) 2007 CodeSourcery.
+ *
+ * This code is licenced under the GPL
+ */
+
+#include "vl.h"
+
+#define KERNEL_LOAD_ADDR 0x10000
+
+/* Board init.  */
+
+static void dummy_m68k_init(int ram_size, int vga_ram_size, int boot_device,
+                     DisplayState *ds, const char **fd_filename, int snapshot,
+                     const char *kernel_filename, const char *kernel_cmdline,
+                     const char *initrd_filename, const char *cpu_model)
+{
+    CPUState *env;
+    int kernel_size;
+    uint64_t elf_entry;
+    target_ulong entry;
+
+    env = cpu_init();
+    if (!cpu_model)
+        cpu_model = "cfv4e";
+    if (cpu_m68k_set_model(env, cpu_model)) {
+        cpu_abort(env, "Unable to find m68k CPU definition\n");
+    }
+
+    /* Initialize CPU registers.  */
+    env->vbr = 0;
+
+    /* RAM at address zero */
+    cpu_register_physical_memory(0, ram_size,
+        qemu_ram_alloc(ram_size) | IO_MEM_RAM);
+
+    /* Load kernel.  */
+    if (kernel_filename) {
+        kernel_size = load_elf(kernel_filename, 0, &elf_entry, NULL, NULL);
+        entry = elf_entry;
+        if (kernel_size < 0) {
+            kernel_size = load_uboot(kernel_filename, &entry, NULL);
+        }
+        if (kernel_size < 0) {
+            kernel_size = load_image(kernel_filename,
+                                     phys_ram_base + 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;
+}
+
+QEMUMachine dummy_m68k_machine = {
+    "dummy",
+    "Dummy board",
+    dummy_m68k_init,
+};
diff --git a/vl.c b/vl.c
index 03859a9958..e70ed4c31d 100644
--- a/vl.c
+++ b/vl.c
@@ -7400,6 +7400,7 @@ void register_machines(void)
 #elif defined(TARGET_M68K)
     qemu_register_machine(&mcf5208evb_machine);
     qemu_register_machine(&an5206_machine);
+    qemu_register_machine(&dummy_m68k_machine);
 #elif defined(TARGET_CRIS)
     qemu_register_machine(&bareetraxfs_machine);
 #else
diff --git a/vl.h b/vl.h
index 683b62db27..099bbb7ad4 100644
--- a/vl.h
+++ b/vl.h
@@ -1719,6 +1719,9 @@ extern QEMUMachine an5206_machine;
 /* mcf5208.c */
 extern QEMUMachine mcf5208evb_machine;
 
+/* dummy_m68k.c */
+extern QEMUMachine dummy_m68k_machine;
+
 #include "gdbstub.h"
 
 #endif /* defined(QEMU_TOOL) */