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Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / arch / ppc / kernel / head_4xx.S
diff --git a/arch/ppc/kernel/head_4xx.S b/arch/ppc/kernel/head_4xx.S
index 6f5d380..10c261c 100644 (file)
--- a/arch/ppc/kernel/head_4xx.S
+++ b/arch/ppc/kernel/head_4xx.S
@@ -40,7 +40,7 @@
 #include <asm/cputable.h>
 #include <asm/thread_info.h>
 #include <asm/ppc_asm.h>
-#include <asm/offsets.h>
+#include <asm/asm-offsets.h>
 
 /* As with the other PowerPC ports, it is expected that when code
  * execution begins here, the following registers contain valid, yet
@@ -245,12 +245,12 @@ label:
 /*
  * 0x0100 - Critical Interrupt Exception
  */
-       CRITICAL_EXCEPTION(0x0100, CriticalInterrupt, UnknownException)
+       CRITICAL_EXCEPTION(0x0100, CriticalInterrupt, unknown_exception)
 
 /*
  * 0x0200 - Machine Check Exception
  */
-       CRITICAL_EXCEPTION(0x0200, MachineCheck, MachineCheckException)
+       CRITICAL_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
 
 /*
  * 0x0300 - Data Storage Exception
@@ -291,8 +291,9 @@ label:
        /* If we are faulting a kernel address, we have to use the
         * kernel page tables.
         */
-       andis.  r11, r10, 0x8000
-       beq     3f
+       lis     r11, TASK_SIZE@h
+       cmplw   r10, r11
+       blt+    3f
        lis     r11, swapper_pg_dir@h
        ori     r11, r11, swapper_pg_dir@l
        li      r9, 0
@@ -404,7 +405,7 @@ label:
        mfspr   r4,SPRN_DEAR            /* Grab the DEAR and save it */
        stw     r4,_DEAR(r11)
        addi    r3,r1,STACK_FRAME_OVERHEAD
-       EXC_XFER_EE(0x600, AlignmentException)
+       EXC_XFER_EE(0x600, alignment_exception)
 
 /* 0x0700 - Program Exception */
        START_EXCEPTION(0x0700, ProgramCheck)
@@ -412,21 +413,21 @@ label:
        mfspr   r4,SPRN_ESR             /* Grab the ESR and save it */
        stw     r4,_ESR(r11)
        addi    r3,r1,STACK_FRAME_OVERHEAD
-       EXC_XFER_STD(0x700, ProgramCheckException)
+       EXC_XFER_STD(0x700, program_check_exception)
 
-       EXCEPTION(0x0800, Trap_08, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x0900, Trap_09, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x0A00, Trap_0A, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x0B00, Trap_0B, UnknownException, EXC_XFER_EE)
+       EXCEPTION(0x0800, Trap_08, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x0900, Trap_09, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x0A00, Trap_0A, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x0B00, Trap_0B, unknown_exception, EXC_XFER_EE)
 
 /* 0x0C00 - System Call Exception */
        START_EXCEPTION(0x0C00, SystemCall)
        NORMAL_EXCEPTION_PROLOG
        EXC_XFER_EE_LITE(0xc00, DoSyscall)
 
-       EXCEPTION(0x0D00, Trap_0D, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x0E00, Trap_0E, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x0F00, Trap_0F, UnknownException, EXC_XFER_EE)
+       EXCEPTION(0x0D00, Trap_0D, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x0E00, Trap_0E, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x0F00, Trap_0F, unknown_exception, EXC_XFER_EE)
 
 /* 0x1000 - Programmable Interval Timer (PIT) Exception */
        START_EXCEPTION(0x1000, Decrementer)
@@ -443,12 +444,15 @@ label:
 
 /* 0x1010 - Fixed Interval Timer (FIT) Exception
 */
-       STND_EXCEPTION(0x1010,  FITException,           UnknownException)
+       STND_EXCEPTION(0x1010,  FITException,           unknown_exception)
 
 /* 0x1020 - Watchdog Timer (WDT) Exception
 */
-
-       CRITICAL_EXCEPTION(0x1020, WDTException, UnknownException)
+#ifdef CONFIG_BOOKE_WDT
+       CRITICAL_EXCEPTION(0x1020, WDTException, WatchdogException)
+#else
+       CRITICAL_EXCEPTION(0x1020, WDTException, unknown_exception)
+#endif
 #endif
 
 /* 0x1100 - Data TLB Miss Exception
@@ -479,8 +483,9 @@ label:
        /* If we are faulting a kernel address, we have to use the
         * kernel page tables.
         */
-       andis.  r11, r10, 0x8000
-       beq     3f
+       lis     r11, TASK_SIZE@h
+       cmplw   r10, r11
+       blt+    3f
        lis     r11, swapper_pg_dir@h
        ori     r11, r11, swapper_pg_dir@l
        li      r9, 0
@@ -578,8 +583,9 @@ label:
        /* If we are faulting a kernel address, we have to use the
         * kernel page tables.
         */
-       andis.  r11, r10, 0x8000
-       beq     3f
+       lis     r11, TASK_SIZE@h
+       cmplw   r10, r11
+       blt+    3f
        lis     r11, swapper_pg_dir@h
        ori     r11, r11, swapper_pg_dir@l
        li      r9, 0
@@ -650,25 +656,25 @@ label:
        mfspr   r10, SPRN_SPRG0
        b       InstructionAccess
 
-       EXCEPTION(0x1300, Trap_13, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x1400, Trap_14, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x1500, Trap_15, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x1600, Trap_16, UnknownException, EXC_XFER_EE)
+       EXCEPTION(0x1300, Trap_13, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x1400, Trap_14, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x1500, Trap_15, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x1600, Trap_16, unknown_exception, EXC_XFER_EE)
 #ifdef CONFIG_IBM405_ERR51
        /* 405GP errata 51 */
        START_EXCEPTION(0x1700, Trap_17)
        b DTLBMiss
 #else
-       EXCEPTION(0x1700, Trap_17, UnknownException, EXC_XFER_EE)
+       EXCEPTION(0x1700, Trap_17, unknown_exception, EXC_XFER_EE)
 #endif
-       EXCEPTION(0x1800, Trap_18, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x1900, Trap_19, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x1A00, Trap_1A, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x1B00, Trap_1B, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x1C00, Trap_1C, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x1D00, Trap_1D, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x1E00, Trap_1E, UnknownException, EXC_XFER_EE)
-       EXCEPTION(0x1F00, Trap_1F, UnknownException, EXC_XFER_EE)
+       EXCEPTION(0x1800, Trap_18, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x1900, Trap_19, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x1A00, Trap_1A, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x1B00, Trap_1B, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x1C00, Trap_1C, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x1D00, Trap_1D, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x1E00, Trap_1E, unknown_exception, EXC_XFER_EE)
+       EXCEPTION(0x1F00, Trap_1F, unknown_exception, EXC_XFER_EE)
 
 /* Check for a single step debug exception while in an exception
  * handler before state has been saved.  This is to catch the case
@@ -982,10 +988,14 @@ _GLOBAL(set_context)
  * goes at the beginning of the data segment, which is page-aligned.
  */
        .data
-_GLOBAL(sdata)
-_GLOBAL(empty_zero_page)
+       .align  12
+       .globl  sdata
+sdata:
+       .globl  empty_zero_page
+empty_zero_page:
        .space  4096
-_GLOBAL(swapper_pg_dir)
+       .globl  swapper_pg_dir
+swapper_pg_dir:
        .space  4096
 
 
@@ -995,12 +1005,14 @@ _GLOBAL(swapper_pg_dir)
 exception_stack_bottom:
        .space  4096
 critical_stack_top:
-_GLOBAL(exception_stack_top)
+       .globl  exception_stack_top
+exception_stack_top:
 
 /* This space gets a copy of optional info passed to us by the bootstrap
  * which is used to pass parameters into the kernel like root=/dev/sda1, etc.
  */
-_GLOBAL(cmd_line)
+       .globl  cmd_line
+cmd_line:
        .space  512
 
 /* Room for two PTE pointers, usually the kernel and current user pointers
linux-2.6