parisc: Move boot_args[] to pad608 to fix HP-UX SMP boot

Do not store the boot args in the pad0 field of PAGE0.
This breaks booting HP-UX SMP kernels.
Use pad608 instead.

Signed-off-by: Helge Deller <deller@gmx.de>
diff --git a/src/parisc/head.S b/src/parisc/head.S
index 900ec48..b578790 100644
--- a/src/parisc/head.S
+++ b/src/parisc/head.S
@@ -190,8 +190,8 @@
 	bv,n	0(%r3)
 
 $is_monarch_cpu:
-	/* Save boot_args. Only monarch CPU does this once. */
-        load32          BOOTADDR(0x040 + 10*4),%r1
+	/* Save boot_args in PAGE0->pad608[]. Only monarch CPU does this once. */
+        load32          BOOTADDR(0x608),%r1
         stw,ma          %r26,4(%r1)
         stw,ma          %r25,4(%r1)
         stw,ma          %r24,4(%r1)
diff --git a/src/parisc/parisc.c b/src/parisc/parisc.c
index 8232d64..05549ae 100644
--- a/src/parisc/parisc.c
+++ b/src/parisc/parisc.c
@@ -92,15 +92,16 @@
  * PA-RISC specific constants and functions.
  ********************************************************/
 
-/* variables provided by qemu - boot_args starting at pad0[10] */
-#define ram_size		PAGE0->pad0[10]
-#define linux_kernel_entry	PAGE0->pad0[11]
-#define cmdline			PAGE0->pad0[12]
-#define initrd_start		PAGE0->pad0[13]
-#define initrd_end		PAGE0->pad0[14]
-#define smp_cpus		PAGE0->pad0[15]
-#define pdc_debug		PAGE0->pad0[16]
-#define fw_cfg_port		PAGE0->pad0[17]
+/* boot_args[] variables provided by qemu */
+#define boot_args		PAGE0->pad608
+#define ram_size		boot_args[0]
+#define linux_kernel_entry	boot_args[1]
+#define cmdline			boot_args[2]
+#define initrd_start		boot_args[3]
+#define initrd_end		boot_args[4]
+#define smp_cpus		boot_args[5]
+#define pdc_debug		boot_args[6]
+#define fw_cfg_port		boot_args[7]
 
 /* flags for pdc_debug */
 #define DEBUG_PDC       0x01