initial Olimex linux tree from Daniel, originally Feb 3, 2016

1 files changed, 59 insertions, 0 deletions

diff --git a/linux/arch/m32r/boot/compressed/boot.h b/linux/arch/m32r/boot/compressed/boot.h
new file mode 100644
index 00000000..9272e38d
--- /dev/null
+++ b/linux/arch/m32r/boot/compressed/boot.h
@@ -0,0 +1,59 @@
+/*
+ * 1. load vmlinuz
+ *
+ * CONFIG_MEMORY_START  	+-----------------------+
+ *				|        vmlinuz	|
+ *				+-----------------------+
+ * 2. decompressed
+ *
+ * CONFIG_MEMORY_START  	+-----------------------+
+ *				|        vmlinuz	|
+ *				+-----------------------+
+ *				|			|
+ * BOOT_RELOC_ADDR		+-----------------------+
+ *				|		 	|
+ * KERNEL_DECOMPRESS_ADDR 	+-----------------------+
+ *				|  	vmlinux		|
+ *				+-----------------------+
+ *
+ * 3. relocate copy & jump code
+ *
+ * CONFIG_MEMORY_START  	+-----------------------+
+ *				|        vmlinuz	|
+ *				+-----------------------+
+ *				|			|
+ * BOOT_RELOC_ADDR		+-----------------------+
+ *				|    boot(copy&jump)	|
+ * KERNEL_DECOMPRESS_ADDR 	+-----------------------+
+ *				|  	vmlinux		|
+ *				+-----------------------+
+ *
+ * 4. relocate decompressed kernel
+ *
+ * CONFIG_MEMORY_START  	+-----------------------+
+ *				|        vmlinux	|
+ *				+-----------------------+
+ *				|			|
+ * BOOT_RELOC_ADDR		+-----------------------+
+ *				|     boot(copy&jump) 	|
+ * KERNEL_DECOMPRESS_ADDR 	+-----------------------+
+ *				|  			|
+ *				+-----------------------+
+ *
+ */
+#ifdef __ASSEMBLY__
+#define __val(x)	x
+#else
+#define __val(x)	(x)
+#endif
+
+#define DECOMPRESS_OFFSET_BASE	__val(0x00900000)
+#define BOOT_RELOC_SIZE		__val(0x00001000)
+
+#define KERNEL_EXEC_ADDR	__val(CONFIG_MEMORY_START)
+#define KERNEL_DECOMPRESS_ADDR	__val(CONFIG_MEMORY_START + \
+				      DECOMPRESS_OFFSET_BASE + BOOT_RELOC_SIZE)
+#define KERNEL_ENTRY		__val(CONFIG_MEMORY_START + 0x1000)
+
+#define BOOT_EXEC_ADDR		__val(CONFIG_MEMORY_START)
+#define BOOT_RELOC_ADDR		__val(CONFIG_MEMORY_START + DECOMPRESS_OFFSET_BASE)