[POWERPC] iSeries: Clean up lparmap mess

We need to have xLparMap in head_64.S so that it is at a fixed address
(because the linker will not resolve (address & 0xffffffff) for us).
But the assembler miscalculates the KERNEL_VSID() expressions.  So put
the confusing expressions into asm-offsets.c.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 19 insertions, 8 deletions

diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 171800002ede..1e6d9cc06ca0 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -34,6 +34,7 @@
 #include <asm/iseries/lpar_map.h>
 #include <asm/thread_info.h>
 #include <asm/firmware.h>
+#include <asm/page_64.h>
 
 #define DO_SOFT_DISABLE
 
@@ -1519,8 +1520,8 @@ _GLOBAL(do_stab_bolted)
  * Space for CPU0's segment table.
  *
  * On iSeries, the hypervisor must fill in at least one entry before
- * we get control (with relocate on).  The address is give to the hv
- * as a page number (see xLparMap in lpardata.c), so this must be at a
+ * we get control (with relocate on).  The address is given to the hv
+ * as a page number (see xLparMap below), so this must be at a
  * fixed address (the linker can't compute (u64)&initial_stab >>
  * PAGE_SHIFT).
  */
@@ -1542,12 +1543,22 @@ fwnmi_data_area:
          * both pSeries and iSeries */
 #ifdef CONFIG_PPC_ISERIES
         . = LPARMAP_PHYS
-#include "lparmap.s"
-/*
- * This ".text" is here for old compilers that generate a trailing
- * .note section when compiling .c files to .s
- */
-        .text
+        .globl xLparMap
+xLparMap:
+        .quad   HvEsidsToMap            /* xNumberEsids */
+        .quad   HvRangesToMap           /* xNumberRanges */
+        .quad   STAB0_PAGE              /* xSegmentTableOffs */
+        .zero   40                      /* xRsvd */
+        /* xEsids (HvEsidsToMap entries of 2 quads) */
+        .quad   PAGE_OFFSET_ESID        /* xKernelEsid */
+        .quad   PAGE_OFFSET_VSID        /* xKernelVsid */
+        .quad   VMALLOC_START_ESID      /* xKernelEsid */
+        .quad   VMALLOC_START_VSID      /* xKernelVsid */
+        /* xRanges (HvRangesToMap entries of 3 quads) */
+        .quad   HvPagesToMap            /* xPages */
+        .quad   0                       /* xOffset */
+        .quad   PAGE_OFFSET_VSID << (SID_SHIFT - HW_PAGE_SHIFT) /* xVPN */
+
 #endif /* CONFIG_PPC_ISERIES */
 
         . = 0x8000