x86: Move kernel boot function to arch/x86/lib/bootm.c
The boot_zimage() function is badly named it can also boot a raw kernel.
Rename it, and try to avoid pointers for memory addresses as it involves
lots of casting.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/include/asm/bootm.h b/arch/x86/include/asm/bootm.h
index 033ab79..f6a64ce 100644
--- a/arch/x86/include/asm/bootm.h
+++ b/arch/x86/include/asm/bootm.h
@@ -9,4 +9,20 @@
void bootm_announce_and_cleanup(void);
+/**
+ * boot_linux_kernel() - boot a linux kernel
+ *
+ * This boots a kernel image, either 32-bit or 64-bit. It will also work with
+ * a self-extracting kernel, if you set @image_64bit to false.
+ *
+ * @setup_base: Pointer to the setup.bin information for the kernel
+ * @load_address: Pointer to the start of the kernel image
+ * @image_64bit: true if the image is a raw 64-bit kernel, false if it
+ * is raw 32-bit or any type of self-extracting kernel
+ * such as a bzImage.
+ * @return -ve error code. This function does not return if the kernel was
+ * booted successfully.
+ */
+int boot_linux_kernel(ulong setup_base, ulong load_address, bool image_64bit);
+
#endif