aboutsummaryrefslogtreecommitdiffstats
path: root/arch/alpha/include/uapi/asm/setup.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/alpha/include/uapi/asm/setup.h')
-rw-r--r--arch/alpha/include/uapi/asm/setup.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/alpha/include/uapi/asm/setup.h b/arch/alpha/include/uapi/asm/setup.h
new file mode 100644
index 00000000000..b50014b3090
--- /dev/null
+++ b/arch/alpha/include/uapi/asm/setup.h
@@ -0,0 +1,42 @@
+#ifndef __ALPHA_SETUP_H
+#define __ALPHA_SETUP_H
+
+#define COMMAND_LINE_SIZE 256
+
+/*
+ * We leave one page for the initial stack page, and one page for
+ * the initial process structure. Also, the console eats 3 MB for
+ * the initial bootloader (one of which we can reclaim later).
+ */
+#define BOOT_PCB 0x20000000
+#define BOOT_ADDR 0x20000000
+/* Remove when official MILO sources have ELF support: */
+#define BOOT_SIZE (16*1024)
+
+#ifdef CONFIG_ALPHA_LEGACY_START_ADDRESS
+#define KERNEL_START_PHYS 0x300000 /* Old bootloaders hardcoded this. */
+#else
+#define KERNEL_START_PHYS 0x1000000 /* required: Wildfire/Titan/Marvel */
+#endif
+
+#define KERNEL_START (PAGE_OFFSET+KERNEL_START_PHYS)
+#define SWAPPER_PGD KERNEL_START
+#define INIT_STACK (PAGE_OFFSET+KERNEL_START_PHYS+0x02000)
+#define EMPTY_PGT (PAGE_OFFSET+KERNEL_START_PHYS+0x04000)
+#define EMPTY_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x08000)
+#define ZERO_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x0A000)
+
+#define START_ADDR (PAGE_OFFSET+KERNEL_START_PHYS+0x10000)
+
+/*
+ * This is setup by the secondary bootstrap loader. Because
+ * the zero page is zeroed out as soon as the vm system is
+ * initialized, we need to copy things out into a more permanent
+ * place.
+ */
+#define PARAM ZERO_PGE
+#define COMMAND_LINE ((char*)(PARAM + 0x0000))
+#define INITRD_START (*(unsigned long *) (PARAM+0x100))
+#define INITRD_SIZE (*(unsigned long *) (PARAM+0x108))
+
+#endif