Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / openbios / arch / x86 / boot.c

diff --git a/qemu/roms/openbios/arch/x86/boot.c b/qemu/roms/openbios/arch/x86/boot.c
new file mode 100644 (file)
index 0000000..d40ab8c
--- /dev/null
+++ b/qemu/roms/openbios/arch/x86/boot.c
@@ -0,0 +1,74 @@
+/* tag: openbios boot command for x86
+ *
+ * Copyright (C) 2003-2004 Stefan Reinauer
+ *
+ * See the file "COPYING" for further information about
+ * the copyright and warranty status of this work.
+ */
+
+#undef BOOTSTRAP
+#include "config.h"
+#include "libopenbios/bindings.h"
+#include "arch/common/nvram.h"
+#include "libc/diskio.h"
+#include "libopenbios/sys_info.h"
+#include "boot.h"
+
+void go(void)
+{
+       ucell address, type, size;
+       int image_retval = 0;
+
+       /* Get the entry point and the type (see forth/debugging/client.fs) */
+       feval("saved-program-state >sps.entry @");
+       address = POP();
+       feval("saved-program-state >sps.file-type @");
+       type = POP();
+       feval("saved-program-state >sps.file-size @");
+       size = POP();
+
+       printk("\nJumping to entry point " FMT_ucellx " for type " FMT_ucellx "...\n", address, type);
+
+       switch (type) {
+               case 0x0:
+                       /* Start ELF boot image */
+                       image_retval = start_elf(address, (uint32_t)&elf_boot_notes);
+                       break;
+
+               case 0x1:
+                       /* Start ELF image */
+                       image_retval = start_elf(address, (uint32_t)NULL);
+                       break;
+
+               case 0x5:
+                       /* Start a.out image */
+                       image_retval = start_elf(address, (uint32_t)NULL);
+                       break;
+
+               case 0x10:
+                       /* Start Fcode image */
+                       printk("Evaluating FCode...\n");
+                       PUSH(address);
+                       PUSH(1);
+                       fword("byte-load");
+                       image_retval = 0;
+                       break;
+
+               case 0x11:
+                       /* Start Forth image */
+                       PUSH(address);
+                       PUSH(size);
+                       fword("eval2");
+                       image_retval = 0;
+                       break;
+       }
+
+       printk("Image returned with return value %#x\n", image_retval);
+}
+
+
+void boot(void)
+{
+       /* No platform-specific boot code */
+       return;
+}