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-rw-r--r--roms/openbios/libopenbios/load.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/roms/openbios/libopenbios/load.c b/roms/openbios/libopenbios/load.c
new file mode 100644
index 000000000..16dc74ad1
--- /dev/null
+++ b/roms/openbios/libopenbios/load.c
@@ -0,0 +1,129 @@
+/*
+ * Creation Date: <2010/06/25 20:00:00 mcayland>
+ * Time-stamp: <2010/06/25 20:00:00 mcayland>
+ *
+ * <load.c>
+ *
+ * C implementation of load
+ *
+ * Copyright (C) 2010 Mark Cave-Ayland (mark.cave-ayland@siriusit.co.uk)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2
+ *
+ */
+
+#include "config.h"
+#include "kernel/kernel.h"
+#include "libopenbios/bindings.h"
+#include "libopenbios/initprogram.h"
+#include "libopenbios/sys_info.h"
+#include "libopenbios/load.h"
+
+#ifdef CONFIG_LOADER_ELF
+#include "libopenbios/elf_load.h"
+#endif
+
+#ifdef CONFIG_LOADER_AOUT
+#include "libopenbios/aout_load.h"
+#endif
+
+#ifdef CONFIG_LOADER_FCODE
+#include "libopenbios/fcode_load.h"
+#endif
+
+#ifdef CONFIG_LOADER_FORTH
+#include "libopenbios/forth_load.h"
+#endif
+
+#ifdef CONFIG_LOADER_XCOFF
+#include "libopenbios/xcoff_load.h"
+#endif
+
+#ifdef CONFIG_LOADER_BOOTCODE
+#include "libopenbios/bootcode_load.h"
+#endif
+
+#ifdef CONFIG_LOADER_PREP
+#include "libopenbios/prep_load.h"
+#endif
+
+
+struct sys_info sys_info;
+void *elf_boot_notes = NULL;
+
+/* ( addr -- size ) */
+
+void load(ihandle_t dev)
+{
+ /* Invoke the loaders on the specified device */
+ char *param;
+
+ /* TODO: Currently the internal loader APIs use load-base directly, so
+ drop the address */
+ POP();
+
+#ifdef CONFIG_LOADER_ELF
+
+ /* Grab the boot arguments */
+ push_str("bootargs");
+ push_str("/chosen");
+ fword("(find-dev)");
+ POP();
+ fword("get-package-property");
+ POP();
+ param = pop_fstr_copy();
+
+ if (elf_load(&sys_info, dev, param, &elf_boot_notes) != LOADER_NOT_SUPPORT) {
+ feval("load-state >ls.file-size @");
+ return;
+ }
+#endif
+
+#ifdef CONFIG_LOADER_AOUT
+ if (aout_load(&sys_info, dev) != LOADER_NOT_SUPPORT) {
+ feval("load-state >ls.file-size @");
+ return;
+ }
+#endif
+
+#ifdef CONFIG_LOADER_FCODE
+ if (fcode_load(dev) != LOADER_NOT_SUPPORT) {
+ feval("load-state >ls.file-size @");
+ return;
+ }
+#endif
+
+#ifdef CONFIG_LOADER_FORTH
+ if (forth_load(dev) != LOADER_NOT_SUPPORT) {
+ feval("load-state >ls.file-size @");
+ return;
+ }
+#endif
+
+#ifdef CONFIG_LOADER_XCOFF
+ if (xcoff_load(dev) != LOADER_NOT_SUPPORT) {
+ feval("load-state >ls.file-size @");
+ return;
+ }
+#endif
+
+#ifdef CONFIG_LOADER_BOOTCODE
+ /* Check for a "raw" %BOOT bootcode payload */
+ if (bootcode_load(dev) != LOADER_NOT_SUPPORT) {
+ feval("load-state >ls.file-size @");
+ return;
+ }
+#endif
+
+#ifdef CONFIG_LOADER_PREP
+ if (prep_load(dev) != LOADER_NOT_SUPPORT) {
+ feval("load-state >ls.file-size @");
+ return;
+ }
+#endif
+
+ /* Didn't load anything, so return zero size */
+ PUSH(0);
+}