#ifdef CONFIG_PPC_MULTIPLATFORM
cmpwi 0,r5,0
beq 1f
+
+ /* find out where we are now */
+ bcl 20,31,$+4
+0: mflr r8 /* r8 = runtime addr here */
+ addis r8,r8,(_stext - 0b)@ha
+ addi r8,r8,(_stext - 0b)@l /* current runtime base addr */
bl prom_init
trap
#endif
DataAccess:
EXCEPTION_PROLOG
mfspr r10,SPRN_DSISR
+ stw r10,_DSISR(r11)
andis. r0,r10,0xa470 /* weird error? */
bne 1f /* if not, try to put a PTE */
mfspr r4,SPRN_DAR /* into the hash table */
rlwinm r3,r10,32-15,21,21 /* DSISR_STORE -> _PAGE_RW */
bl hash_page
-1: stw r10,_DSISR(r11)
- mr r5,r10
+1: lwz r5,_DSISR(r11) /* get DSISR value */
mfspr r4,SPRN_DAR
EXC_XFER_EE_LITE(0x300, handle_page_fault)
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
+ beq 1f
+ bl load_up_fpu /* if from user, just load it up */
+ b fast_exception_return
+1: addi r3,r1,STACK_FRAME_OVERHEAD
EXC_XFER_EE_LITE(0x800, kernel_fp_unavailable_exception)
/* Decrementer */
lis r10, 0x40
1: addic. r10, r10, -0x1000
tlbie r10
- blt 1b
+ bgt 1b
sync
blr