symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/an5206.c
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/an5206.c	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,91 @@
+/*
+ * Arnewsh 5206 ColdFire system emulation.
+ *
+ * Copyright (c) 2007 CodeSourcery.
+ *
+ * This code is licenced under the GPL
+ */
+
+#include "hw.h"
+#include "mcf.h"
+#include "sysemu.h"
+#include "boards.h"
+
+#define KERNEL_LOAD_ADDR 0x10000
+#define AN5206_MBAR_ADDR 0x10000000
+#define AN5206_RAMBAR_ADDR 0x20000000
+
+/* Stub functions for hardware that doesn't exist.  */
+void pic_info(void)
+{
+}
+
+void irq_info(void)
+{
+}
+
+/* Board init.  */
+
+static void an5206_init(ram_addr_t ram_size, int vga_ram_size,
+                     const char *boot_device, DisplayState *ds,
+                     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;
+
+    if (!cpu_model)
+        cpu_model = "m5206";
+    env = cpu_init(cpu_model);
+    if (!env) {
+        cpu_abort(env, "Unable to find m68k CPU definition\n");
+    }
+
+    /* Initialize CPU registers.  */
+    env->vbr = 0;
+    /* TODO: allow changing MBAR and RAMBAR.  */
+    env->mbar = AN5206_MBAR_ADDR | 1;
+    env->rambar0 = AN5206_RAMBAR_ADDR | 1;
+
+    /* DRAM at address zero */
+    cpu_register_physical_memory(0, ram_size,
+        qemu_ram_alloc(ram_size) | IO_MEM_RAM);
+
+    /* Internal SRAM.  */
+    cpu_register_physical_memory(AN5206_RAMBAR_ADDR, 512,
+        qemu_ram_alloc(512) | IO_MEM_RAM);
+
+    mcf5206_init(AN5206_MBAR_ADDR, env);
+
+    /* Load kernel.  */
+    if (!kernel_filename) {
+        fprintf(stderr, "Kernel image must be specified\n");
+        exit(1);
+    }
+
+    kernel_size = load_elf(kernel_filename, 0, &elf_entry, NULL, NULL);
+    entry = elf_entry;
+    if (kernel_size < 0) {
+        kernel_size = load_uimage(kernel_filename, &entry, NULL, 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);
+    }
+
+    env->pc = entry;
+}
+
+QEMUMachine an5206_machine = {
+    .name = "an5206",
+    .desc = "Arnewsh 5206",
+    .init = an5206_init,
+    .ram_require = 512,
+};