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-rw-r--r--arch/sparc/kernel/entry.S54
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index e8cdf715a54..68689facaaa 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -20,11 +20,7 @@
#include <asm/memreg.h>
#include <asm/page.h>
#include <asm/pgtable.h>
-#ifdef CONFIG_SUN4
-#include <asm/pgtsun4.h>
-#else
#include <asm/pgtsun4c.h>
-#endif
#include <asm/winmacro.h>
#include <asm/signal.h>
#include <asm/obio.h>
@@ -775,11 +771,7 @@ vac_linesize_patch_32: subcc %l7, 32, %l7
* Ugly, but we cant use hardware flushing on the sun4 and we'd require
* two instructions (Anton)
*/
-#ifdef CONFIG_SUN4
-vac_hwflush_patch1_on: nop
-#else
vac_hwflush_patch1_on: addcc %l7, -PAGE_SIZE, %l7
-#endif
vac_hwflush_patch2_on: sta %g0, [%l3 + %l7] ASI_HWFLUSHSEG
@@ -798,42 +790,10 @@ vac_hwflush_patch2_on: sta %g0, [%l3 + %l7] ASI_HWFLUSHSEG
! %l7 = 1 for textfault
! We want error in %l5, vaddr in %l6
sun4c_fault:
-#ifdef CONFIG_SUN4
- sethi %hi(sun4c_memerr_reg), %l4
- ld [%l4+%lo(sun4c_memerr_reg)], %l4 ! memerr ctrl reg addr
- ld [%l4], %l6 ! memerr ctrl reg
- ld [%l4 + 4], %l5 ! memerr vaddr reg
- andcc %l6, 0x80, %g0 ! check for error type
- st %g0, [%l4 + 4] ! clear the error
- be 0f ! normal error
- sethi %hi(AC_BUS_ERROR), %l4 ! bus err reg addr
-
- call prom_halt ! something weird happened
- ! what exactly did happen?
- ! what should we do here?
-
-0: or %l4, %lo(AC_BUS_ERROR), %l4 ! bus err reg addr
- lduba [%l4] ASI_CONTROL, %l6 ! bus err reg
-
- cmp %l7, 1 ! text fault?
- be 1f ! yes
- nop
-
- ld [%l1], %l4 ! load instruction that caused fault
- srl %l4, 21, %l4
- andcc %l4, 1, %g0 ! store instruction?
-
- be 1f ! no
- sethi %hi(SUN4C_SYNC_BADWRITE), %l4 ! yep
- ! %lo(SUN4C_SYNC_BADWRITE) = 0
- or %l4, %l6, %l6 ! set write bit to emulate sun4c
-1:
-#else
sethi %hi(AC_SYNC_ERR), %l4
add %l4, 0x4, %l6 ! AC_SYNC_VA in %l6
lda [%l6] ASI_CONTROL, %l5 ! Address
lda [%l4] ASI_CONTROL, %l6 ! Error, retained for a bit
-#endif
andn %l5, 0xfff, %l5 ! Encode all info into l7
srl %l6, 14, %l4
@@ -880,12 +840,7 @@ sun4c_fault:
or %l4, %lo(swapper_pg_dir), %l4
sll %l6, 2, %l6
ld [%l4 + %l6], %l4
-#ifdef CONFIG_SUN4
- sethi %hi(PAGE_MASK), %l6
- andcc %l4, %l6, %g0
-#else
andcc %l4, PAGE_MASK, %g0
-#endif
be sun4c_fault_fromuser
lduXa [%l5] ASI_SEGMAP, %l4
@@ -937,11 +892,7 @@ invalid_segment_patch1:
ld [%l6 + 0x08], %l3 ! tmp = entry->vaddr
! Flush segment from the cache.
-#ifdef CONFIG_SUN4
- sethi %hi((128 * 1024)), %l7
-#else
sethi %hi((64 * 1024)), %l7
-#endif
9:
vac_hwflush_patch1:
vac_linesize_patch:
@@ -1029,12 +980,7 @@ invalid_segment_patch2:
or %l4, %lo(swapper_pg_dir), %l4
sll %l3, 2, %l3
ld [%l4 + %l3], %l4
-#ifndef CONFIG_SUN4
and %l4, PAGE_MASK, %l4
-#else
- sethi %hi(PAGE_MASK), %l6
- and %l4, %l6, %l4
-#endif
srl %l5, (PAGE_SHIFT - 2), %l6
and %l6, ((SUN4C_PTRS_PER_PTE - 1) << 2), %l6