ARM: move bootm code to its own file

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 92 insertions, 0 deletions

diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
new file mode 100644
index 0000000000..b09fe70e3e
--- /dev/null
+++ b/arch/arm/lib/bootm.c
@@ -0,0 +1,92 @@
+#include <boot.h>
+#include <common.h>
+#include <command.h>
+#include <driver.h>
+#include <environment.h>
+#include <image.h>
+#include <zlib.h>
+#include <init.h>
+#include <fs.h>
+#include <linux/list.h>
+#include <xfuncs.h>
+#include <malloc.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <asm/byteorder.h>
+#include <asm/global_data.h>
+#include <asm/setup.h>
+#include <asm/barebox-arm.h>
+#include <asm/armlinux.h>
+#include <asm/system.h>
+
+static int do_bootm_linux(struct image_data *data)
+{
+	void (*theKernel)(int zero, int arch, void *params);
+	image_header_t *os_header = &data->os->header;
+
+	if (image_get_type(os_header) == IH_TYPE_MULTI) {
+		printf("Multifile images not handled at the moment\n");
+		return -1;
+	}
+
+	theKernel = (void *)image_get_ep(os_header);
+
+	debug("## Transferring control to Linux (at address 0x%p) ...\n",
+	       theKernel);
+
+	if (relocate_image(data->os, (void *)image_get_load(os_header)))
+		return -1;
+
+	if (data->initrd)
+		if (relocate_image(data->initrd, (void *)image_get_load(&data->initrd->header)))
+			return -1;
+
+	/* we assume that the kernel is in place */
+	printf("\nStarting kernel %s...\n\n", data->initrd ? "with initrd " : "");
+
+	start_linux(theKernel, 0, data);
+
+	return -1;
+}
+
+static int image_handle_cmdline_parse(struct image_data *data, int opt,
+		char *optarg)
+{
+	int ret = 1;
+	int no;
+
+	switch (opt) {
+	case 'a':
+		no = simple_strtoul(optarg, NULL, 0);
+		armlinux_set_architecture(no);
+		ret = 0;
+		break;
+	case 'R':
+		no = simple_strtoul(optarg, NULL, 0);
+		armlinux_set_revision(no);
+		ret = 0;
+		break;
+	default:
+		break;
+	}
+
+	return ret;
+}
+
+static struct image_handler handler = {
+	.cmdline_options = "a:R:",
+	.cmdline_parse = image_handle_cmdline_parse,
+	.help_string = " -a <arch>        use architecture number <arch>\n"
+		       " -R <system_rev>  use system revison <system_rev>\n",
+
+	.bootm = do_bootm_linux,
+	.image_type = IH_OS_LINUX,
+};
+
+static int armlinux_register_image_handler(void)
+{
+	return register_image_handler(&handler);
+}
+
+late_initcall(armlinux_register_image_handler);