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| author |   Stephen Rothwell <sfr@canb.auug.org.au> | 2007-08-20 14:58:36 +1000 |
|---|---|---|
| committer |   Paul Mackerras <paulus@samba.org> | 2007-08-22 15:21:46 +1000 |
| commit | 16a15a30f8a09af6ce2dc4fd6eec9b454c1fe488 (patch) | |
| tree | b9a2be9818f41d92df001950374ed6bc49e44751 /arch/powerpc/kernel/head_64.S | |
| parent | [POWERPC] Advertise correct IDE mode on Pegasos2 (diff) | |
| download | linux-dev-16a15a30f8a09af6ce2dc4fd6eec9b454c1fe488.tar.xz linux-dev-16a15a30f8a09af6ce2dc4fd6eec9b454c1fe488.zip | |
[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>
Diffstat (limited to 'arch/powerpc/kernel/head_64.S')
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 27 |
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 |