Merge branch 'linux-2.6' into for-linus

[pandora-kernel.git] / arch / powerpc / kernel / head_64.S

diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 76d1c81..8cdff5a 100644 (file)
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -503,7 +503,7 @@ BEGIN_FTR_SECTION
        rlwimi  r13,r12,16,0x20
        mfcr    r12
        cmpwi   r13,0x2c
-       beq     .do_stab_bolted_pSeries
+       beq     do_stab_bolted_pSeries
        mtcrf   0x80,r12
        mfspr   r12,SPRN_SPRG2
 END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
@@ -633,7 +633,7 @@ masked_interrupt:
        b       .
 
        .align  7
-_GLOBAL(do_stab_bolted_pSeries)
+do_stab_bolted_pSeries:
        mtcrf   0x80,r12
        mfspr   r12,SPRN_SPRG2
        EXCEPTION_PROLOG_PSERIES(PACA_EXSLB, .do_stab_bolted)
@@ -1088,7 +1088,7 @@ slb_miss_fault:
        li      r5,0
        std     r4,_DAR(r1)
        std     r5,_DSISR(r1)
-       b       .handle_page_fault
+       b       handle_page_fault
 
 unrecov_user_slb:
        EXCEPTION_PROLOG_COMMON(0x4200, PACA_EXGEN)
@@ -1216,12 +1216,13 @@ program_check_common:
        .globl fp_unavailable_common
 fp_unavailable_common:
        EXCEPTION_PROLOG_COMMON(0x800, PACA_EXGEN)
-       bne     .load_up_fpu            /* if from user, just load it up */
+       bne     1f                      /* if from user, just load it up */
        bl      .save_nvgprs
        addi    r3,r1,STACK_FRAME_OVERHEAD
        ENABLE_INTS
        bl      .kernel_fp_unavailable_exception
        BUG_OPCODE
+1:     b       .load_up_fpu
 
        .align  7
        .globl altivec_unavailable_common
@@ -1321,10 +1322,10 @@ _GLOBAL(do_hash_page)
        std     r4,_DSISR(r1)
 
        andis.  r0,r4,0xa450            /* weird error? */
-       bne-    .handle_page_fault      /* if not, try to insert a HPTE */
+       bne-    handle_page_fault       /* if not, try to insert a HPTE */
 BEGIN_FTR_SECTION
        andis.  r0,r4,0x0020            /* Is it a segment table fault? */
-       bne-    .do_ste_alloc           /* If so handle it */
+       bne-    do_ste_alloc            /* If so handle it */
 END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
 
        /*
@@ -1366,7 +1367,7 @@ BEGIN_FW_FTR_SECTION
         * because ret_from_except_lite will check for and handle pending
         * interrupts if necessary.
         */
-       beq     .ret_from_except_lite
+       beq     13f
 END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
 #endif
 BEGIN_FW_FTR_SECTION
@@ -1390,14 +1391,14 @@ END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES)
        b       11f
 
 /* Here we have a page fault that hash_page can't handle. */
-_GLOBAL(handle_page_fault)
+handle_page_fault:
        ENABLE_INTS
 11:    ld      r4,_DAR(r1)
        ld      r5,_DSISR(r1)
        addi    r3,r1,STACK_FRAME_OVERHEAD
        bl      .do_page_fault
        cmpdi   r3,0
-       beq+    .ret_from_except_lite
+       beq+    13f
        bl      .save_nvgprs
        mr      r5,r3
        addi    r3,r1,STACK_FRAME_OVERHEAD
@@ -1405,6 +1406,8 @@ _GLOBAL(handle_page_fault)
        bl      .bad_page_fault
        b       .ret_from_except
 
+13:    b       .ret_from_except_lite
+
 /* We have a page fault that hash_page could handle but HV refused
  * the PTE insertion
  */
@@ -1415,11 +1418,11 @@ _GLOBAL(handle_page_fault)
        b       .ret_from_except
 
        /* here we have a segment miss */
-_GLOBAL(do_ste_alloc)
+do_ste_alloc:
        bl      .ste_allocate           /* try to insert stab entry */
        cmpdi   r3,0
-       beq+    fast_exception_return
-       b       .handle_page_fault
+       bne-    handle_page_fault
+       b       fast_exception_return
 
 /*
  * r13 points to the PACA, r9 contains the saved CR,
@@ -1624,11 +1627,6 @@ _STATIC(__start_initialization_iSeries)
        li      r0,0
        stdu    r0,-STACK_FRAME_OVERHEAD(r1)
 
-       LOAD_REG_IMMEDIATE(r3,cpu_specs)
-       LOAD_REG_IMMEDIATE(r4,cur_cpu_spec)
-       li      r5,0
-       bl      .identify_cpu
-
        LOAD_REG_IMMEDIATE(r2,__toc_start)
        addi    r2,r2,0x4000
        addi    r2,r2,0x4000
@@ -1687,6 +1685,8 @@ _GLOBAL(__start_initialization_multiplatform)
        cmpwi   r0,0x3c         /* 970FX */
        beq     1f
        cmpwi   r0,0x44         /* 970MP */
+       beq     1f
+       cmpwi   r0,0x45         /* 970GX */
        bne     2f
 1:     bl      .__cpu_preinit_ppc970
 2:
@@ -2005,13 +2005,6 @@ _STATIC(start_here_multiplatform)
        addi    r2,r2,0x4000
        add     r2,r2,r26
 
-       LOAD_REG_IMMEDIATE(r3, cpu_specs)
-       add     r3,r3,r26
-       LOAD_REG_IMMEDIATE(r4,cur_cpu_spec)
-       add     r4,r4,r26
-       mr      r5,r26
-       bl      .identify_cpu
-
        /* Do very early kernel initializations, including initial hash table,
         * stab and slb setup before we turn on relocation.     */
 
@@ -2040,13 +2033,6 @@ _STATIC(start_here_common)
        li      r0,0
        stdu    r0,-STACK_FRAME_OVERHEAD(r1)
 
-       /* Apply the CPUs-specific fixups (nop out sections not relevant
-        * to this CPU
-        */
-       li      r3,0
-       bl      .do_cpu_ftr_fixups
-       bl      .do_fw_ftr_fixups
-
        /* ptr to current */
        LOAD_REG_IMMEDIATE(r4, init_task)
        std     r4,PACACURRENT(r13)