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Merge to kernel-2.6.20-1.2949.fc6.vs2.2.0.1
[linux-2.6.git]
/
arch
/
powerpc
/
kernel
/
head_32.S
diff --git
a/arch/powerpc/kernel/head_32.S
b/arch/powerpc/kernel/head_32.S
index
a0579e8
..
9417cf5
100644
(file)
--- a/
arch/powerpc/kernel/head_32.S
+++ b/
arch/powerpc/kernel/head_32.S
@@
-22,7
+22,6
@@
*
*/
*
*/
-#include <linux/config.h>
#include <asm/reg.h>
#include <asm/page.h>
#include <asm/mmu.h>
#include <asm/reg.h>
#include <asm/page.h>
#include <asm/mmu.h>
@@
-438,6
+437,13
@@
Alignment:
/* Floating-point unavailable */
. = 0x800
FPUnavailable:
/* Floating-point unavailable */
. = 0x800
FPUnavailable:
+BEGIN_FTR_SECTION
+/*
+ * Certain Freescale cores don't have a FPU and treat fp instructions
+ * as a FP Unavailable exception. Redirect to illegal/emulation handling.
+ */
+ b ProgramCheck
+END_FTR_SECTION_IFSET(CPU_FTR_FPU_UNAVAILABLE)
EXCEPTION_PROLOG
bne load_up_fpu /* if from user, just load it up */
addi r3,r1,STACK_FRAME_OVERHEAD
EXCEPTION_PROLOG
bne load_up_fpu /* if from user, just load it up */
addi r3,r1,STACK_FRAME_OVERHEAD
@@
-973,6
+979,13
@@
__secondary_start_gemini:
b __secondary_start
#endif /* CONFIG_GEMINI */
b __secondary_start
#endif /* CONFIG_GEMINI */
+ .globl __secondary_start_mpc86xx
+__secondary_start_mpc86xx:
+ mfspr r3, SPRN_PIR
+ stw r3, __secondary_hold_acknowledge@l(0)
+ mr r24, r3 /* cpu # */
+ b __secondary_start
+
.globl __secondary_start_pmac_0
__secondary_start_pmac_0:
/* NB the entries for cpus 0, 1, 2 must each occupy 8 bytes. */
.globl __secondary_start_pmac_0
__secondary_start_pmac_0:
/* NB the entries for cpus 0, 1, 2 must each occupy 8 bytes. */
@@
-1088,7
+1101,12
@@
load_up_mmu:
LOAD_BAT(1,r3,r4,r5)
LOAD_BAT(2,r3,r4,r5)
LOAD_BAT(3,r3,r4,r5)
LOAD_BAT(1,r3,r4,r5)
LOAD_BAT(2,r3,r4,r5)
LOAD_BAT(3,r3,r4,r5)
-
+BEGIN_FTR_SECTION
+ LOAD_BAT(4,r3,r4,r5)
+ LOAD_BAT(5,r3,r4,r5)
+ LOAD_BAT(6,r3,r4,r5)
+ LOAD_BAT(7,r3,r4,r5)
+END_FTR_SECTION_IFSET(CPU_FTR_HAS_HIGH_BATS)
blr
/*
blr
/*