[PPC] Remove 85xx from arch/ppc
85xx exists in arch/powerpc as well as cuImage support to boot from
a u-boot that doesn't support device trees.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/ppc/kernel/Makefile b/arch/ppc/kernel/Makefile
index 5da0ca7..7b73905 100644
--- a/arch/ppc/kernel/Makefile
+++ b/arch/ppc/kernel/Makefile
@@ -4,7 +4,6 @@
extra-$(CONFIG_PPC_STD_MMU) := head.o
extra-$(CONFIG_40x) := head_4xx.o
extra-$(CONFIG_44x) := head_44x.o
-extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o
extra-$(CONFIG_8xx) := head_8xx.o
extra-y += vmlinux.lds
diff --git a/arch/ppc/kernel/asm-offsets.c b/arch/ppc/kernel/asm-offsets.c
index e8e9432..a51a177 100644
--- a/arch/ppc/kernel/asm-offsets.c
+++ b/arch/ppc/kernel/asm-offsets.c
@@ -54,12 +54,6 @@
DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
#endif /* CONFIG_ALTIVEC */
-#ifdef CONFIG_SPE
- DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0]));
- DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc));
- DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr));
- DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe));
-#endif /* CONFIG_SPE */
/* Interrupt register frame */
DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
diff --git a/arch/ppc/kernel/entry.S b/arch/ppc/kernel/entry.S
index 59e77eb..5f3a5d0 100644
--- a/arch/ppc/kernel/entry.S
+++ b/arch/ppc/kernel/entry.S
@@ -519,12 +519,7 @@
stw r12,THREAD+THREAD_VRSAVE(r2)
END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
#endif /* CONFIG_ALTIVEC */
-#ifdef CONFIG_SPE
- oris r0,r0,MSR_SPE@h /* Disable SPE */
- mfspr r12,SPRN_SPEFSCR /* save spefscr register value */
- stw r12,THREAD+THREAD_SPEFSCR(r2)
-#endif /* CONFIG_SPE */
- and. r0,r0,r11 /* FP or altivec or SPE enabled? */
+ and. r0,r0,r11 /* FP or altivec enabled? */
beq+ 1f
andc r11,r11,r0
MTMSRD(r11)
@@ -557,11 +552,6 @@
mtspr SPRN_VRSAVE,r0 /* if G4, restore VRSAVE reg */
END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
#endif /* CONFIG_ALTIVEC */
-#ifdef CONFIG_SPE
- lwz r0,THREAD+THREAD_SPEFSCR(r2)
- mtspr SPRN_SPEFSCR,r0 /* restore SPEFSCR reg */
-#endif /* CONFIG_SPE */
-
lwz r0,_CCR(r1)
mtcrf 0xFF,r0
/* r3-r12 are destroyed -- Cort */
diff --git a/arch/ppc/kernel/head_booke.h b/arch/ppc/kernel/head_booke.h
index f3d274c..166d597 100644
--- a/arch/ppc/kernel/head_booke.h
+++ b/arch/ppc/kernel/head_booke.h
@@ -212,60 +212,6 @@
* save (and later restore) the MSR via SPRN_CSRR1, which will still have
* the MSR_DE bit set.
*/
-#ifdef CONFIG_E200
-#define DEBUG_EXCEPTION \
- START_EXCEPTION(Debug); \
- DEBUG_EXCEPTION_PROLOG; \
- \
- /* \
- * If there is a single step or branch-taken exception in an \
- * exception entry sequence, it was probably meant to apply to \
- * the code where the exception occurred (since exception entry \
- * doesn't turn off DE automatically). We simulate the effect \
- * of turning off DE on entry to an exception handler by turning \
- * off DE in the CSRR1 value and clearing the debug status. \
- */ \
- mfspr r10,SPRN_DBSR; /* check single-step/branch taken */ \
- andis. r10,r10,DBSR_IC@h; \
- beq+ 2f; \
- \
- lis r10,KERNELBASE@h; /* check if exception in vectors */ \
- ori r10,r10,KERNELBASE@l; \
- cmplw r12,r10; \
- blt+ 2f; /* addr below exception vectors */ \
- \
- lis r10,Debug@h; \
- ori r10,r10,Debug@l; \
- cmplw r12,r10; \
- bgt+ 2f; /* addr above exception vectors */ \
- \
- /* here it looks like we got an inappropriate debug exception. */ \
-1: rlwinm r9,r9,0,~MSR_DE; /* clear DE in the CDRR1 value */ \
- lis r10,DBSR_IC@h; /* clear the IC event */ \
- mtspr SPRN_DBSR,r10; \
- /* restore state and get out */ \
- lwz r10,_CCR(r11); \
- lwz r0,GPR0(r11); \
- lwz r1,GPR1(r11); \
- mtcrf 0x80,r10; \
- mtspr SPRN_DSRR0,r12; \
- mtspr SPRN_DSRR1,r9; \
- lwz r9,GPR9(r11); \
- lwz r12,GPR12(r11); \
- mtspr DEBUG_SPRG,r8; \
- BOOKE_LOAD_EXC_LEVEL_STACK(DEBUG); /* r8 points to the debug stack */ \
- lwz r10,GPR10-INT_FRAME_SIZE(r8); \
- lwz r11,GPR11-INT_FRAME_SIZE(r8); \
- mfspr r8,DEBUG_SPRG; \
- \
- RFDI; \
- b .; \
- \
- /* continue normal handling for a critical exception... */ \
-2: mfspr r4,SPRN_DBSR; \
- addi r3,r1,STACK_FRAME_OVERHEAD; \
- EXC_XFER_TEMPLATE(DebugException, 0x2002, (MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE)), NOCOPY, debug_transfer_to_handler, ret_from_debug_exc)
-#else
#define DEBUG_EXCEPTION \
START_EXCEPTION(Debug); \
CRITICAL_EXCEPTION_PROLOG; \
@@ -318,7 +264,6 @@
2: mfspr r4,SPRN_DBSR; \
addi r3,r1,STACK_FRAME_OVERHEAD; \
EXC_XFER_TEMPLATE(DebugException, 0x2002, (MSR_KERNEL & ~(MSR_ME|MSR_DE|MSR_CE)), NOCOPY, crit_transfer_to_handler, ret_from_crit_exc)
-#endif
#define INSTRUCTION_STORAGE_EXCEPTION \
START_EXCEPTION(InstructionStorage) \
diff --git a/arch/ppc/kernel/head_fsl_booke.S b/arch/ppc/kernel/head_fsl_booke.S
deleted file mode 100644
index 1f155d3..0000000
--- a/arch/ppc/kernel/head_fsl_booke.S
+++ /dev/null
@@ -1,1065 +0,0 @@
-/*
- * Kernel execution entry point code.
- *
- * Copyright (c) 1995-1996 Gary Thomas <gdt@linuxppc.org>
- * Initial PowerPC version.
- * Copyright (c) 1996 Cort Dougan <cort@cs.nmt.edu>
- * Rewritten for PReP
- * Copyright (c) 1996 Paul Mackerras <paulus@cs.anu.edu.au>
- * Low-level exception handers, MMU support, and rewrite.
- * Copyright (c) 1997 Dan Malek <dmalek@jlc.net>
- * PowerPC 8xx modifications.
- * Copyright (c) 1998-1999 TiVo, Inc.
- * PowerPC 403GCX modifications.
- * Copyright (c) 1999 Grant Erickson <grant@lcse.umn.edu>
- * PowerPC 403GCX/405GP modifications.
- * Copyright 2000 MontaVista Software Inc.
- * PPC405 modifications
- * PowerPC 403GCX/405GP modifications.
- * Author: MontaVista Software, Inc.
- * frank_rowand@mvista.com or source@mvista.com
- * debbie_chu@mvista.com
- * Copyright 2002-2004 MontaVista Software, Inc.
- * PowerPC 44x support, Matt Porter <mporter@kernel.crashing.org>
- * Copyright 2004 Freescale Semiconductor, Inc
- * PowerPC e500 modifications, Kumar Gala <galak@kernel.crashing.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/threads.h>
-#include <asm/processor.h>
-#include <asm/page.h>
-#include <asm/mmu.h>
-#include <asm/pgtable.h>
-#include <asm/cputable.h>
-#include <asm/thread_info.h>
-#include <asm/ppc_asm.h>
-#include <asm/asm-offsets.h>
-#include "head_booke.h"
-
-/* As with the other PowerPC ports, it is expected that when code
- * execution begins here, the following registers contain valid, yet
- * optional, information:
- *
- * r3 - Board info structure pointer (DRAM, frequency, MAC address, etc.)
- * r4 - Starting address of the init RAM disk
- * r5 - Ending address of the init RAM disk
- * r6 - Start of kernel command line string (e.g. "mem=128")
- * r7 - End of kernel command line string
- *
- */
- .text
-_GLOBAL(_stext)
-_GLOBAL(_start)
- /*
- * Reserve a word at a fixed location to store the address
- * of abatron_pteptrs
- */
- nop
-/*
- * Save parameters we are passed
- */
- mr r31,r3
- mr r30,r4
- mr r29,r5
- mr r28,r6
- mr r27,r7
- li r24,0 /* CPU number */
-
-/* We try to not make any assumptions about how the boot loader
- * setup or used the TLBs. We invalidate all mappings from the
- * boot loader and load a single entry in TLB1[0] to map the
- * first 16M of kernel memory. Any boot info passed from the
- * bootloader needs to live in this first 16M.
- *
- * Requirement on bootloader:
- * - The page we're executing in needs to reside in TLB1 and
- * have IPROT=1. If not an invalidate broadcast could
- * evict the entry we're currently executing in.
- *
- * r3 = Index of TLB1 were executing in
- * r4 = Current MSR[IS]
- * r5 = Index of TLB1 temp mapping
- *
- * Later in mapin_ram we will correctly map lowmem, and resize TLB1[0]
- * if needed
- */
-
-/* 1. Find the index of the entry we're executing in */
- bl invstr /* Find our address */
-invstr: mflr r6 /* Make it accessible */
- mfmsr r7
- rlwinm r4,r7,27,31,31 /* extract MSR[IS] */
- mfspr r7, SPRN_PID0
- slwi r7,r7,16
- or r7,r7,r4
- mtspr SPRN_MAS6,r7
- tlbsx 0,r6 /* search MSR[IS], SPID=PID0 */
-#ifndef CONFIG_E200
- mfspr r7,SPRN_MAS1
- andis. r7,r7,MAS1_VALID@h
- bne match_TLB
- mfspr r7,SPRN_PID1
- slwi r7,r7,16
- or r7,r7,r4
- mtspr SPRN_MAS6,r7
- tlbsx 0,r6 /* search MSR[IS], SPID=PID1 */
- mfspr r7,SPRN_MAS1
- andis. r7,r7,MAS1_VALID@h
- bne match_TLB
- mfspr r7, SPRN_PID2
- slwi r7,r7,16
- or r7,r7,r4
- mtspr SPRN_MAS6,r7
- tlbsx 0,r6 /* Fall through, we had to match */
-#endif
-match_TLB:
- mfspr r7,SPRN_MAS0
- rlwinm r3,r7,16,20,31 /* Extract MAS0(Entry) */
-
- mfspr r7,SPRN_MAS1 /* Insure IPROT set */
- oris r7,r7,MAS1_IPROT@h
- mtspr SPRN_MAS1,r7
- tlbwe
-
-/* 2. Invalidate all entries except the entry we're executing in */
- mfspr r9,SPRN_TLB1CFG
- andi. r9,r9,0xfff
- li r6,0 /* Set Entry counter to 0 */
-1: lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */
- rlwimi r7,r6,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r6) */
- mtspr SPRN_MAS0,r7
- tlbre
- mfspr r7,SPRN_MAS1
- rlwinm r7,r7,0,2,31 /* Clear MAS1 Valid and IPROT */
- cmpw r3,r6
- beq skpinv /* Dont update the current execution TLB */
- mtspr SPRN_MAS1,r7
- tlbwe
- isync
-skpinv: addi r6,r6,1 /* Increment */
- cmpw r6,r9 /* Are we done? */
- bne 1b /* If not, repeat */
-
- /* Invalidate TLB0 */
- li r6,0x04
- tlbivax 0,r6
-#ifdef CONFIG_SMP
- tlbsync
-#endif
- /* Invalidate TLB1 */
- li r6,0x0c
- tlbivax 0,r6
-#ifdef CONFIG_SMP
- tlbsync
-#endif
- msync
-
-/* 3. Setup a temp mapping and jump to it */
- andi. r5, r3, 0x1 /* Find an entry not used and is non-zero */
- addi r5, r5, 0x1
- lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */
- rlwimi r7,r3,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r3) */
- mtspr SPRN_MAS0,r7
- tlbre
-
- /* Just modify the entry ID and EPN for the temp mapping */
- lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */
- rlwimi r7,r5,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r5) */
- mtspr SPRN_MAS0,r7
- xori r6,r4,1 /* Setup TMP mapping in the other Address space */
- slwi r6,r6,12
- oris r6,r6,(MAS1_VALID|MAS1_IPROT)@h
- ori r6,r6,(MAS1_TSIZE(BOOKE_PAGESZ_4K))@l
- mtspr SPRN_MAS1,r6
- mfspr r6,SPRN_MAS2
- li r7,0 /* temp EPN = 0 */
- rlwimi r7,r6,0,20,31
- mtspr SPRN_MAS2,r7
- tlbwe
-
- xori r6,r4,1
- slwi r6,r6,5 /* setup new context with other address space */
- bl 1f /* Find our address */
-1: mflr r9
- rlwimi r7,r9,0,20,31
- addi r7,r7,24
- mtspr SPRN_SRR0,r7
- mtspr SPRN_SRR1,r6
- rfi
-
-/* 4. Clear out PIDs & Search info */
- li r6,0
- mtspr SPRN_PID0,r6
-#ifndef CONFIG_E200
- mtspr SPRN_PID1,r6
- mtspr SPRN_PID2,r6
-#endif
- mtspr SPRN_MAS6,r6
-
-/* 5. Invalidate mapping we started in */
- lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */
- rlwimi r7,r3,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r3) */
- mtspr SPRN_MAS0,r7
- tlbre
- mfspr r6,SPRN_MAS1
- rlwinm r6,r6,0,2,0 /* clear IPROT */
- mtspr SPRN_MAS1,r6
- tlbwe
- /* Invalidate TLB1 */
- li r9,0x0c
- tlbivax 0,r9
-#ifdef CONFIG_SMP
- tlbsync
-#endif
- msync
-
-/* 6. Setup KERNELBASE mapping in TLB1[0] */
- lis r6,0x1000 /* Set MAS0(TLBSEL) = TLB1(1), ESEL = 0 */
- mtspr SPRN_MAS0,r6
- lis r6,(MAS1_VALID|MAS1_IPROT)@h
- ori r6,r6,(MAS1_TSIZE(BOOKE_PAGESZ_16M))@l
- mtspr SPRN_MAS1,r6
- li r7,0
- lis r6,KERNELBASE@h
- ori r6,r6,KERNELBASE@l
- rlwimi r6,r7,0,20,31
- mtspr SPRN_MAS2,r6
- li r7,(MAS3_SX|MAS3_SW|MAS3_SR)
- mtspr SPRN_MAS3,r7
- tlbwe
-
-/* 7. Jump to KERNELBASE mapping */
- lis r7,MSR_KERNEL@h
- ori r7,r7,MSR_KERNEL@l
- bl 1f /* Find our address */
-1: mflr r9
- rlwimi r6,r9,0,20,31
- addi r6,r6,24
- mtspr SPRN_SRR0,r6
- mtspr SPRN_SRR1,r7
- rfi /* start execution out of TLB1[0] entry */
-
-/* 8. Clear out the temp mapping */
- lis r7,0x1000 /* Set MAS0(TLBSEL) = 1 */
- rlwimi r7,r5,16,4,15 /* Setup MAS0 = TLBSEL | ESEL(r5) */
- mtspr SPRN_MAS0,r7
- tlbre
- mfspr r8,SPRN_MAS1
- rlwinm r8,r8,0,2,0 /* clear IPROT */
- mtspr SPRN_MAS1,r8
- tlbwe
- /* Invalidate TLB1 */
- li r9,0x0c
- tlbivax 0,r9
-#ifdef CONFIG_SMP
- tlbsync
-#endif
- msync
-
- /* Establish the interrupt vector offsets */
- SET_IVOR(0, CriticalInput);
- SET_IVOR(1, MachineCheck);
- SET_IVOR(2, DataStorage);
- SET_IVOR(3, InstructionStorage);
- SET_IVOR(4, ExternalInput);
- SET_IVOR(5, Alignment);
- SET_IVOR(6, Program);
- SET_IVOR(7, FloatingPointUnavailable);
- SET_IVOR(8, SystemCall);
- SET_IVOR(9, AuxillaryProcessorUnavailable);
- SET_IVOR(10, Decrementer);
- SET_IVOR(11, FixedIntervalTimer);
- SET_IVOR(12, WatchdogTimer);
- SET_IVOR(13, DataTLBError);
- SET_IVOR(14, InstructionTLBError);
- SET_IVOR(15, Debug);
- SET_IVOR(32, SPEUnavailable);
- SET_IVOR(33, SPEFloatingPointData);
- SET_IVOR(34, SPEFloatingPointRound);
-#ifndef CONFIG_E200
- SET_IVOR(35, PerformanceMonitor);
-#endif
-
- /* Establish the interrupt vector base */
- lis r4,interrupt_base@h /* IVPR only uses the high 16-bits */
- mtspr SPRN_IVPR,r4
-
- /* Setup the defaults for TLB entries */
- li r2,(MAS4_TSIZED(BOOKE_PAGESZ_4K))@l
-#ifdef CONFIG_E200
- oris r2,r2,MAS4_TLBSELD(1)@h
-#endif
- mtspr SPRN_MAS4, r2
-
-#if 0
- /* Enable DOZE */
- mfspr r2,SPRN_HID0
- oris r2,r2,HID0_DOZE@h
- mtspr SPRN_HID0, r2
-#endif
-#ifdef CONFIG_E200
- /* enable dedicated debug exception handling resources (Debug APU) */
- mfspr r2,SPRN_HID0
- ori r2,r2,HID0_DAPUEN@l
- mtspr SPRN_HID0,r2
-#endif
-
-#if !defined(CONFIG_BDI_SWITCH)
- /*
- * The Abatron BDI JTAG debugger does not tolerate others
- * mucking with the debug registers.
- */
- lis r2,DBCR0_IDM@h
- mtspr SPRN_DBCR0,r2
- isync
- /* clear any residual debug events */
- li r2,-1
- mtspr SPRN_DBSR,r2
-#endif
-
- /*
- * This is where the main kernel code starts.
- */
-
- /* ptr to current */
- lis r2,init_task@h
- ori r2,r2,init_task@l
-
- /* ptr to current thread */
- addi r4,r2,THREAD /* init task's THREAD */
- mtspr SPRN_SPRG3,r4
-
- /* stack */
- lis r1,init_thread_union@h
- ori r1,r1,init_thread_union@l
- li r0,0
- stwu r0,THREAD_SIZE-STACK_FRAME_OVERHEAD(r1)
-
- bl early_init
-
- mfspr r3,SPRN_TLB1CFG
- andi. r3,r3,0xfff
- lis r4,num_tlbcam_entries@ha
- stw r3,num_tlbcam_entries@l(r4)
-/*
- * Decide what sort of machine this is and initialize the MMU.
- */
- mr r3,r31
- mr r4,r30
- mr r5,r29
- mr r6,r28
- mr r7,r27
- bl machine_init
- bl MMU_init
-
- /* Setup PTE pointers for the Abatron bdiGDB */
- lis r6, swapper_pg_dir@h
- ori r6, r6, swapper_pg_dir@l
- lis r5, abatron_pteptrs@h
- ori r5, r5, abatron_pteptrs@l
- lis r4, KERNELBASE@h
- ori r4, r4, KERNELBASE@l
- stw r5, 0(r4) /* Save abatron_pteptrs at a fixed location */
- stw r6, 0(r5)
-
- /* Let's move on */
- lis r4,start_kernel@h
- ori r4,r4,start_kernel@l
- lis r3,MSR_KERNEL@h
- ori r3,r3,MSR_KERNEL@l
- mtspr SPRN_SRR0,r4
- mtspr SPRN_SRR1,r3
- rfi /* change context and jump to start_kernel */
-
-/* Macros to hide the PTE size differences
- *
- * FIND_PTE -- walks the page tables given EA & pgdir pointer
- * r10 -- EA of fault
- * r11 -- PGDIR pointer
- * r12 -- free
- * label 2: is the bailout case
- *
- * if we find the pte (fall through):
- * r11 is low pte word
- * r12 is pointer to the pte
- */
-#ifdef CONFIG_PTE_64BIT
-#define PTE_FLAGS_OFFSET 4
-#define FIND_PTE \
- rlwinm r12, r10, 13, 19, 29; /* Compute pgdir/pmd offset */ \
- lwzx r11, r12, r11; /* Get pgd/pmd entry */ \
- rlwinm. r12, r11, 0, 0, 20; /* Extract pt base address */ \
- beq 2f; /* Bail if no table */ \
- rlwimi r12, r10, 23, 20, 28; /* Compute pte address */ \
- lwz r11, 4(r12); /* Get pte entry */
-#else
-#define PTE_FLAGS_OFFSET 0
-#define FIND_PTE \
- rlwimi r11, r10, 12, 20, 29; /* Create L1 (pgdir/pmd) address */ \
- lwz r11, 0(r11); /* Get L1 entry */ \
- rlwinm. r12, r11, 0, 0, 19; /* Extract L2 (pte) base address */ \
- beq 2f; /* Bail if no table */ \
- rlwimi r12, r10, 22, 20, 29; /* Compute PTE address */ \
- lwz r11, 0(r12); /* Get Linux PTE */
-#endif
-
-/*
- * Interrupt vector entry code
- *
- * The Book E MMUs are always on so we don't need to handle
- * interrupts in real mode as with previous PPC processors. In
- * this case we handle interrupts in the kernel virtual address
- * space.
- *
- * Interrupt vectors are dynamically placed relative to the
- * interrupt prefix as determined by the address of interrupt_base.
- * The interrupt vectors offsets are programmed using the labels
- * for each interrupt vector entry.
- *
- * Interrupt vectors must be aligned on a 16 byte boundary.
- * We align on a 32 byte cache line boundary for good measure.
- */
-
-interrupt_base:
- /* Critical Input Interrupt */
- CRITICAL_EXCEPTION(0x0100, CriticalInput, unknown_exception)
-
- /* Machine Check Interrupt */
-#ifdef CONFIG_E200
- /* no RFMCI, MCSRRs on E200 */
- CRITICAL_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
-#else
- MCHECK_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
-#endif
-
- /* Data Storage Interrupt */
- START_EXCEPTION(DataStorage)
- mtspr SPRN_SPRG0, r10 /* Save some working registers */
- mtspr SPRN_SPRG1, r11
- mtspr SPRN_SPRG4W, r12
- mtspr SPRN_SPRG5W, r13
- mfcr r11
- mtspr SPRN_SPRG7W, r11
-
- /*
- * Check if it was a store fault, if not then bail
- * because a user tried to access a kernel or
- * read-protected page. Otherwise, get the
- * offending address and handle it.
- */
- mfspr r10, SPRN_ESR
- andis. r10, r10, ESR_ST@h
- beq 2f
-
- mfspr r10, SPRN_DEAR /* Get faulting address */
-
- /* If we are faulting a kernel address, we have to use the
- * kernel page tables.
- */
- lis r11, TASK_SIZE@h
- ori r11, r11, TASK_SIZE@l
- cmplw 0, r10, r11
- bge 2f
-
- /* Get the PGD for the current thread */
-3:
- mfspr r11,SPRN_SPRG3
- lwz r11,PGDIR(r11)
-4:
- FIND_PTE
-
- /* Are _PAGE_USER & _PAGE_RW set & _PAGE_HWWRITE not? */
- andi. r13, r11, _PAGE_RW|_PAGE_USER|_PAGE_HWWRITE
- cmpwi 0, r13, _PAGE_RW|_PAGE_USER
- bne 2f /* Bail if not */
-
- /* Update 'changed'. */
- ori r11, r11, _PAGE_DIRTY|_PAGE_ACCESSED|_PAGE_HWWRITE
- stw r11, PTE_FLAGS_OFFSET(r12) /* Update Linux page table */
-
- /* MAS2 not updated as the entry does exist in the tlb, this
- fault taken to detect state transition (eg: COW -> DIRTY)
- */
- andi. r11, r11, _PAGE_HWEXEC
- rlwimi r11, r11, 31, 27, 27 /* SX <- _PAGE_HWEXEC */
- ori r11, r11, (MAS3_UW|MAS3_SW|MAS3_UR|MAS3_SR)@l /* set static perms */
-
- /* update search PID in MAS6, AS = 0 */
- mfspr r12, SPRN_PID0
- slwi r12, r12, 16
- mtspr SPRN_MAS6, r12
-
- /* find the TLB index that caused the fault. It has to be here. */
- tlbsx 0, r10
-
- /* only update the perm bits, assume the RPN is fine */
- mfspr r12, SPRN_MAS3
- rlwimi r12, r11, 0, 20, 31
- mtspr SPRN_MAS3,r12
- tlbwe
-
- /* Done...restore registers and get out of here. */
- mfspr r11, SPRN_SPRG7R
- mtcr r11
- mfspr r13, SPRN_SPRG5R
- mfspr r12, SPRN_SPRG4R
- mfspr r11, SPRN_SPRG1
- mfspr r10, SPRN_SPRG0
- rfi /* Force context change */
-
-2:
- /*
- * The bailout. Restore registers to pre-exception conditions
- * and call the heavyweights to help us out.
- */
- mfspr r11, SPRN_SPRG7R
- mtcr r11
- mfspr r13, SPRN_SPRG5R
- mfspr r12, SPRN_SPRG4R
- mfspr r11, SPRN_SPRG1
- mfspr r10, SPRN_SPRG0
- b data_access
-
- /* Instruction Storage Interrupt */
- INSTRUCTION_STORAGE_EXCEPTION
-
- /* External Input Interrupt */
- EXCEPTION(0x0500, ExternalInput, do_IRQ, EXC_XFER_LITE)
-
- /* Alignment Interrupt */
- ALIGNMENT_EXCEPTION
-
- /* Program Interrupt */
- PROGRAM_EXCEPTION
-
- /* Floating Point Unavailable Interrupt */
-#ifdef CONFIG_PPC_FPU
- FP_UNAVAILABLE_EXCEPTION
-#else
-#ifdef CONFIG_E200
- /* E200 treats 'normal' floating point instructions as FP Unavail exception */
- EXCEPTION(0x0800, FloatingPointUnavailable, program_check_exception, EXC_XFER_EE)
-#else
- EXCEPTION(0x0800, FloatingPointUnavailable, unknown_exception, EXC_XFER_EE)
-#endif
-#endif
-
- /* System Call Interrupt */
- START_EXCEPTION(SystemCall)
- NORMAL_EXCEPTION_PROLOG
- EXC_XFER_EE_LITE(0x0c00, DoSyscall)
-
- /* Auxillary Processor Unavailable Interrupt */
- EXCEPTION(0x2900, AuxillaryProcessorUnavailable, unknown_exception, EXC_XFER_EE)
-
- /* Decrementer Interrupt */
- DECREMENTER_EXCEPTION
-
- /* Fixed Internal Timer Interrupt */
- /* TODO: Add FIT support */
- EXCEPTION(0x3100, FixedIntervalTimer, unknown_exception, EXC_XFER_EE)
-
- /* Watchdog Timer Interrupt */
-#ifdef CONFIG_BOOKE_WDT
- CRITICAL_EXCEPTION(0x3200, WatchdogTimer, WatchdogException)
-#else
- CRITICAL_EXCEPTION(0x3200, WatchdogTimer, unknown_exception)
-#endif
-
- /* Data TLB Error Interrupt */
- START_EXCEPTION(DataTLBError)
- mtspr SPRN_SPRG0, r10 /* Save some working registers */
- mtspr SPRN_SPRG1, r11
- mtspr SPRN_SPRG4W, r12
- mtspr SPRN_SPRG5W, r13
- mfcr r11
- mtspr SPRN_SPRG7W, r11
- mfspr r10, SPRN_DEAR /* Get faulting address */
-
- /* If we are faulting a kernel address, we have to use the
- * kernel page tables.
- */
- lis r11, TASK_SIZE@h
- ori r11, r11, TASK_SIZE@l
- cmplw 5, r10, r11
- blt 5, 3f
- lis r11, swapper_pg_dir@h
- ori r11, r11, swapper_pg_dir@l
-
- mfspr r12,SPRN_MAS1 /* Set TID to 0 */
- rlwinm r12,r12,0,16,1
- mtspr SPRN_MAS1,r12
-
- b 4f
-
- /* Get the PGD for the current thread */
-3:
- mfspr r11,SPRN_SPRG3
- lwz r11,PGDIR(r11)
-
-4:
- FIND_PTE
- andi. r13, r11, _PAGE_PRESENT /* Is the page present? */
- beq 2f /* Bail if not present */
-
-#ifdef CONFIG_PTE_64BIT
- lwz r13, 0(r12)
-#endif
- ori r11, r11, _PAGE_ACCESSED
- stw r11, PTE_FLAGS_OFFSET(r12)
-
- /* Jump to common tlb load */
- b finish_tlb_load
-2:
- /* The bailout. Restore registers to pre-exception conditions
- * and call the heavyweights to help us out.
- */
- mfspr r11, SPRN_SPRG7R
- mtcr r11
- mfspr r13, SPRN_SPRG5R
- mfspr r12, SPRN_SPRG4R
- mfspr r11, SPRN_SPRG1
- mfspr r10, SPRN_SPRG0
- b data_access
-
- /* Instruction TLB Error Interrupt */
- /*
- * Nearly the same as above, except we get our
- * information from different registers and bailout
- * to a different point.
- */
- START_EXCEPTION(InstructionTLBError)
- mtspr SPRN_SPRG0, r10 /* Save some working registers */
- mtspr SPRN_SPRG1, r11
- mtspr SPRN_SPRG4W, r12
- mtspr SPRN_SPRG5W, r13
- mfcr r11
- mtspr SPRN_SPRG7W, r11
- mfspr r10, SPRN_SRR0 /* Get faulting address */
-
- /* If we are faulting a kernel address, we have to use the
- * kernel page tables.
- */
- lis r11, TASK_SIZE@h
- ori r11, r11, TASK_SIZE@l
- cmplw 5, r10, r11
- blt 5, 3f
- lis r11, swapper_pg_dir@h
- ori r11, r11, swapper_pg_dir@l
-
- mfspr r12,SPRN_MAS1 /* Set TID to 0 */
- rlwinm r12,r12,0,16,1
- mtspr SPRN_MAS1,r12
-
- b 4f
-
- /* Get the PGD for the current thread */
-3:
- mfspr r11,SPRN_SPRG3
- lwz r11,PGDIR(r11)
-
-4:
- FIND_PTE
- andi. r13, r11, _PAGE_PRESENT /* Is the page present? */
- beq 2f /* Bail if not present */
-
-#ifdef CONFIG_PTE_64BIT
- lwz r13, 0(r12)
-#endif
- ori r11, r11, _PAGE_ACCESSED
- stw r11, PTE_FLAGS_OFFSET(r12)
-
- /* Jump to common TLB load point */
- b finish_tlb_load
-
-2:
- /* The bailout. Restore registers to pre-exception conditions
- * and call the heavyweights to help us out.
- */
- mfspr r11, SPRN_SPRG7R
- mtcr r11
- mfspr r13, SPRN_SPRG5R
- mfspr r12, SPRN_SPRG4R
- mfspr r11, SPRN_SPRG1
- mfspr r10, SPRN_SPRG0
- b InstructionStorage
-
-#ifdef CONFIG_SPE
- /* SPE Unavailable */
- START_EXCEPTION(SPEUnavailable)
- NORMAL_EXCEPTION_PROLOG
- bne load_up_spe
- addi r3,r1,STACK_FRAME_OVERHEAD
- EXC_XFER_EE_LITE(0x2010, KernelSPE)
-#else
- EXCEPTION(0x2020, SPEUnavailable, unknown_exception, EXC_XFER_EE)
-#endif /* CONFIG_SPE */
-
- /* SPE Floating Point Data */
-#ifdef CONFIG_SPE
- EXCEPTION(0x2030, SPEFloatingPointData, SPEFloatingPointException, EXC_XFER_EE);
-#else
- EXCEPTION(0x2040, SPEFloatingPointData, unknown_exception, EXC_XFER_EE)
-#endif /* CONFIG_SPE */
-
- /* SPE Floating Point Round */
- EXCEPTION(0x2050, SPEFloatingPointRound, unknown_exception, EXC_XFER_EE)
-
- /* Performance Monitor */
- EXCEPTION(0x2060, PerformanceMonitor, performance_monitor_exception, EXC_XFER_STD)
-
-
- /* Debug Interrupt */
- DEBUG_EXCEPTION
-
-/*
- * Local functions
- */
-
- /*
- * Data TLB exceptions will bail out to this point
- * if they can't resolve the lightweight TLB fault.
- */
-data_access:
- NORMAL_EXCEPTION_PROLOG
- mfspr r5,SPRN_ESR /* Grab the ESR, save it, pass arg3 */
- stw r5,_ESR(r11)
- mfspr r4,SPRN_DEAR /* Grab the DEAR, save it, pass arg2 */
- andis. r10,r5,(ESR_ILK|ESR_DLK)@h
- bne 1f
- EXC_XFER_EE_LITE(0x0300, handle_page_fault)
-1:
- addi r3,r1,STACK_FRAME_OVERHEAD
- EXC_XFER_EE_LITE(0x0300, CacheLockingException)
-
-/*
-
- * Both the instruction and data TLB miss get to this
- * point to load the TLB.
- * r10 - EA of fault
- * r11 - TLB (info from Linux PTE)
- * r12, r13 - available to use
- * CR5 - results of addr < TASK_SIZE
- * MAS0, MAS1 - loaded with proper value when we get here
- * MAS2, MAS3 - will need additional info from Linux PTE
- * Upon exit, we reload everything and RFI.
- */
-finish_tlb_load:
- /*
- * We set execute, because we don't have the granularity to
- * properly set this at the page level (Linux problem).
- * Many of these bits are software only. Bits we don't set
- * here we (properly should) assume have the appropriate value.
- */
-
- mfspr r12, SPRN_MAS2
-#ifdef CONFIG_PTE_64BIT
- rlwimi r12, r11, 26, 24, 31 /* extract ...WIMGE from pte */
-#else
- rlwimi r12, r11, 26, 27, 31 /* extract WIMGE from pte */
-#endif
- mtspr SPRN_MAS2, r12
-
- bge 5, 1f
-
- /* is user addr */
- andi. r12, r11, (_PAGE_USER | _PAGE_HWWRITE | _PAGE_HWEXEC)
- andi. r10, r11, _PAGE_USER /* Test for _PAGE_USER */
- srwi r10, r12, 1
- or r12, r12, r10 /* Copy user perms into supervisor */
- iseleq r12, 0, r12
- b 2f
-
- /* is kernel addr */
-1: rlwinm r12, r11, 31, 29, 29 /* Extract _PAGE_HWWRITE into SW */
- ori r12, r12, (MAS3_SX | MAS3_SR)
-
-#ifdef CONFIG_PTE_64BIT
-2: rlwimi r12, r13, 24, 0, 7 /* grab RPN[32:39] */
- rlwimi r12, r11, 24, 8, 19 /* grab RPN[40:51] */
- mtspr SPRN_MAS3, r12
-BEGIN_FTR_SECTION
- srwi r10, r13, 8 /* grab RPN[8:31] */
- mtspr SPRN_MAS7, r10
-END_FTR_SECTION_IFSET(CPU_FTR_BIG_PHYS)
-#else
-2: rlwimi r11, r12, 0, 20, 31 /* Extract RPN from PTE and merge with perms */
- mtspr SPRN_MAS3, r11
-#endif
-#ifdef CONFIG_E200
- /* Round robin TLB1 entries assignment */
- mfspr r12, SPRN_MAS0
-
- /* Extract TLB1CFG(NENTRY) */
- mfspr r11, SPRN_TLB1CFG
- andi. r11, r11, 0xfff
-
- /* Extract MAS0(NV) */
- andi. r13, r12, 0xfff
- addi r13, r13, 1
- cmpw 0, r13, r11
- addi r12, r12, 1
-
- /* check if we need to wrap */
- blt 7f
-
- /* wrap back to first free tlbcam entry */
- lis r13, tlbcam_index@ha
- lwz r13, tlbcam_index@l(r13)
- rlwimi r12, r13, 0, 20, 31
-7:
- mtspr SPRN_MAS0,r12
-#endif /* CONFIG_E200 */
-
- tlbwe
-
- /* Done...restore registers and get out of here. */
- mfspr r11, SPRN_SPRG7R
- mtcr r11
- mfspr r13, SPRN_SPRG5R
- mfspr r12, SPRN_SPRG4R
- mfspr r11, SPRN_SPRG1
- mfspr r10, SPRN_SPRG0
- rfi /* Force context change */
-
-#ifdef CONFIG_SPE
-/* Note that the SPE support is closely modeled after the AltiVec
- * support. Changes to one are likely to be applicable to the
- * other! */
-load_up_spe:
-/*
- * Disable SPE for the task which had SPE previously,
- * and save its SPE registers in its thread_struct.
- * Enables SPE for use in the kernel on return.
- * On SMP we know the SPE units are free, since we give it up every
- * switch. -- Kumar
- */
- mfmsr r5
- oris r5,r5,MSR_SPE@h
- mtmsr r5 /* enable use of SPE now */
- isync
-/*
- * For SMP, we don't do lazy SPE switching because it just gets too
- * horrendously complex, especially when a task switches from one CPU
- * to another. Instead we call giveup_spe in switch_to.
- */
-#ifndef CONFIG_SMP
- lis r3,last_task_used_spe@ha
- lwz r4,last_task_used_spe@l(r3)
- cmpi 0,r4,0
- beq 1f
- addi r4,r4,THREAD /* want THREAD of last_task_used_spe */
- SAVE_32EVRS(0,r10,r4)
- evxor evr10, evr10, evr10 /* clear out evr10 */
- evmwumiaa evr10, evr10, evr10 /* evr10 <- ACC = 0 * 0 + ACC */
- li r5,THREAD_ACC
- evstddx evr10, r4, r5 /* save off accumulator */
- lwz r5,PT_REGS(r4)
- lwz r4,_MSR-STACK_FRAME_OVERHEAD(r5)
- lis r10,MSR_SPE@h
- andc r4,r4,r10 /* disable SPE for previous task */
- stw r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-1:
-#endif /* CONFIG_SMP */
- /* enable use of SPE after return */
- oris r9,r9,MSR_SPE@h
- mfspr r5,SPRN_SPRG3 /* current task's THREAD (phys) */
- li r4,1
- li r10,THREAD_ACC
- stw r4,THREAD_USED_SPE(r5)
- evlddx evr4,r10,r5
- evmra evr4,evr4
- REST_32EVRS(0,r10,r5)
-#ifndef CONFIG_SMP
- subi r4,r5,THREAD
- stw r4,last_task_used_spe@l(r3)
-#endif /* CONFIG_SMP */
- /* restore registers and return */
-2: REST_4GPRS(3, r11)
- lwz r10,_CCR(r11)
- REST_GPR(1, r11)
- mtcr r10
- lwz r10,_LINK(r11)
- mtlr r10
- REST_GPR(10, r11)
- mtspr SPRN_SRR1,r9
- mtspr SPRN_SRR0,r12
- REST_GPR(9, r11)
- REST_GPR(12, r11)
- lwz r11,GPR11(r11)
- rfi
-
-/*
- * SPE unavailable trap from kernel - print a message, but let
- * the task use SPE in the kernel until it returns to user mode.
- */
-KernelSPE:
- lwz r3,_MSR(r1)
- oris r3,r3,MSR_SPE@h
- stw r3,_MSR(r1) /* enable use of SPE after return */
- lis r3,87f@h
- ori r3,r3,87f@l
- mr r4,r2 /* current */
- lwz r5,_NIP(r1)
- bl printk
- b ret_from_except
-87: .string "SPE used in kernel (task=%p, pc=%x) \n"
- .align 4,0
-
-#endif /* CONFIG_SPE */
-
-/*
- * Global functions
- */
-
-/*
- * extern void loadcam_entry(unsigned int index)
- *
- * Load TLBCAM[index] entry in to the L2 CAM MMU
- */
-_GLOBAL(loadcam_entry)
- lis r4,TLBCAM@ha
- addi r4,r4,TLBCAM@l
- mulli r5,r3,20
- add r3,r5,r4
- lwz r4,0(r3)
- mtspr SPRN_MAS0,r4
- lwz r4,4(r3)
- mtspr SPRN_MAS1,r4
- lwz r4,8(r3)
- mtspr SPRN_MAS2,r4
- lwz r4,12(r3)
- mtspr SPRN_MAS3,r4
- tlbwe
- isync
- blr
-
-/*
- * extern void giveup_altivec(struct task_struct *prev)
- *
- * The e500 core does not have an AltiVec unit.
- */
-_GLOBAL(giveup_altivec)
- blr
-
-#ifdef CONFIG_SPE
-/*
- * extern void giveup_spe(struct task_struct *prev)
- *
- */
-_GLOBAL(giveup_spe)
- mfmsr r5
- oris r5,r5,MSR_SPE@h
- mtmsr r5 /* enable use of SPE now */
- isync
- cmpi 0,r3,0
- beqlr- /* if no previous owner, done */
- addi r3,r3,THREAD /* want THREAD of task */
- lwz r5,PT_REGS(r3)
- cmpi 0,r5,0
- SAVE_32EVRS(0, r4, r3)
- evxor evr6, evr6, evr6 /* clear out evr6 */
- evmwumiaa evr6, evr6, evr6 /* evr6 <- ACC = 0 * 0 + ACC */
- li r4,THREAD_ACC
- evstddx evr6, r4, r3 /* save off accumulator */
- mfspr r6,SPRN_SPEFSCR
- stw r6,THREAD_SPEFSCR(r3) /* save spefscr register value */
- beq 1f
- lwz r4,_MSR-STACK_FRAME_OVERHEAD(r5)
- lis r3,MSR_SPE@h
- andc r4,r4,r3 /* disable SPE for previous task */
- stw r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-1:
-#ifndef CONFIG_SMP
- li r5,0
- lis r4,last_task_used_spe@ha
- stw r5,last_task_used_spe@l(r4)
-#endif /* CONFIG_SMP */
- blr
-#endif /* CONFIG_SPE */
-
-/*
- * extern void giveup_fpu(struct task_struct *prev)
- *
- * Not all FSL Book-E cores have an FPU
- */
-#ifndef CONFIG_PPC_FPU
-_GLOBAL(giveup_fpu)
- blr
-#endif
-
-/*
- * extern void abort(void)
- *
- * At present, this routine just applies a system reset.
- */
-_GLOBAL(abort)
- li r13,0
- mtspr SPRN_DBCR0,r13 /* disable all debug events */
- isync
- mfmsr r13
- ori r13,r13,MSR_DE@l /* Enable Debug Events */
- mtmsr r13
- isync
- mfspr r13,SPRN_DBCR0
- lis r13,(DBCR0_IDM|DBCR0_RST_CHIP)@h
- mtspr SPRN_DBCR0,r13
- isync
-
-_GLOBAL(set_context)
-
-#ifdef CONFIG_BDI_SWITCH
- /* Context switch the PTE pointer for the Abatron BDI2000.
- * The PGDIR is the second parameter.
- */
- lis r5, abatron_pteptrs@h
- ori r5, r5, abatron_pteptrs@l
- stw r4, 0x4(r5)
-#endif
- mtspr SPRN_PID,r3
- isync /* Force context change */
- blr
-
-/*
- * We put a few things here that have to be page-aligned. This stuff
- * goes at the beginning of the data segment, which is page-aligned.
- */
- .data
- .align 12
- .globl sdata
-sdata:
- .globl empty_zero_page
-empty_zero_page:
- .space 4096
- .globl swapper_pg_dir
-swapper_pg_dir:
- .space 4096
-
-/* Reserved 4k for the critical exception stack & 4k for the machine
- * check stack per CPU for kernel mode exceptions */
- .section .bss
- .align 12
-exception_stack_bottom:
- .space BOOKE_EXCEPTION_STACK_SIZE * NR_CPUS
- .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.
- */
- .globl cmd_line
-cmd_line:
- .space 512
-
-/*
- * Room for two PTE pointers, usually the kernel and current user pointers
- * to their respective root page table.
- */
-abatron_pteptrs:
- .space 8
diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S
index e0c850d..d5e0dfc 100644
--- a/arch/ppc/kernel/misc.S
+++ b/arch/ppc/kernel/misc.S
@@ -165,24 +165,7 @@
ble 1b
isync
-#elif defined(CONFIG_FSL_BOOKE)
- /* Invalidate all entries in TLB0 */
- li r3, 0x04
- tlbivax 0,3
- /* Invalidate all entries in TLB1 */
- li r3, 0x0c
- tlbivax 0,3
- /* Invalidate all entries in TLB2 */
- li r3, 0x14
- tlbivax 0,3
- /* Invalidate all entries in TLB3 */
- li r3, 0x1c
- tlbivax 0,3
- msync
-#ifdef CONFIG_SMP
- tlbsync
-#endif /* CONFIG_SMP */
-#else /* !(CONFIG_40x || CONFIG_44x || CONFIG_FSL_BOOKE) */
+#else /* !(CONFIG_40x || CONFIG_44x) */
#if defined(CONFIG_SMP)
rlwinm r8,r1,0,0,18
lwz r8,TI_CPU(r8)
@@ -268,20 +251,7 @@
tlbwe r3, r3, PPC44x_TLB_PAGEID
isync
10:
-#elif defined(CONFIG_FSL_BOOKE)
- rlwinm r4, r3, 0, 0, 19
- ori r5, r4, 0x08 /* TLBSEL = 1 */
- ori r6, r4, 0x10 /* TLBSEL = 2 */
- ori r7, r4, 0x18 /* TLBSEL = 3 */
- tlbivax 0, r4
- tlbivax 0, r5
- tlbivax 0, r6
- tlbivax 0, r7
- msync
-#if defined(CONFIG_SMP)
- tlbsync
-#endif /* CONFIG_SMP */
-#else /* !(CONFIG_40x || CONFIG_44x || CONFIG_FSL_BOOKE) */
+#else /* !(CONFIG_40x || CONFIG_44x) */
#if defined(CONFIG_SMP)
rlwinm r8,r1,0,0,18
lwz r8,TI_CPU(r8)
@@ -338,18 +308,6 @@
lis r3, KERNELBASE@h
iccci 0,r3
#endif
-#elif CONFIG_FSL_BOOKE
-BEGIN_FTR_SECTION
- mfspr r3,SPRN_L1CSR0
- ori r3,r3,L1CSR0_CFI|L1CSR0_CLFC
- /* msync; isync recommended here */
- mtspr SPRN_L1CSR0,r3
- isync
- blr
-END_FTR_SECTION_IFSET(CPU_FTR_UNIFIED_ID_CACHE)
- mfspr r3,SPRN_L1CSR1
- ori r3,r3,L1CSR1_ICFI|L1CSR1_ICLFR
- mtspr SPRN_L1CSR1,r3
#else
mfspr r3,SPRN_PVR
rlwinm r3,r3,16,16,31
diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c
index ba729ce..c353502 100644
--- a/arch/ppc/kernel/ppc_ksyms.c
+++ b/arch/ppc/kernel/ppc_ksyms.c
@@ -166,12 +166,6 @@
#endif
EXPORT_SYMBOL(giveup_altivec);
#endif /* CONFIG_ALTIVEC */
-#ifdef CONFIG_SPE
-#ifndef CONFIG_SMP
-EXPORT_SYMBOL(last_task_used_spe);
-#endif
-EXPORT_SYMBOL(giveup_spe);
-#endif /* CONFIG_SPE */
#ifdef CONFIG_SMP
EXPORT_SYMBOL(smp_call_function);
EXPORT_SYMBOL(smp_hw_index);
@@ -244,7 +238,7 @@
EXPORT_SYMBOL(cpm_install_handler);
EXPORT_SYMBOL(cpm_free_handler);
#endif /* CONFIG_8xx */
-#if defined(CONFIG_8xx) || defined(CONFIG_40x) || defined(CONFIG_85xx)
+#if defined(CONFIG_8xx) || defined(CONFIG_40x)
EXPORT_SYMBOL(__res);
#endif
diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
index 5888ae6..d51368d 100644
--- a/arch/ppc/kernel/setup.c
+++ b/arch/ppc/kernel/setup.c
@@ -38,8 +38,7 @@
#include <asm/xmon.h>
#include <asm/ocp.h>
-#define USES_PPC_SYS (defined(CONFIG_85xx) || \
- defined(CONFIG_MPC10X_BRIDGE) || defined(CONFIG_8260) || \
+#define USES_PPC_SYS (defined(CONFIG_MPC10X_BRIDGE) || defined(CONFIG_8260) || \
defined(CONFIG_PPC_MPC52xx))
#if USES_PPC_SYS
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index 25a1085..a467a42 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -194,11 +194,7 @@
/* On 4xx, the reason for the machine check or program exception
is in the ESR. */
#define get_reason(regs) ((regs)->dsisr)
-#ifndef CONFIG_FSL_BOOKE
#define get_mc_reason(regs) ((regs)->dsisr)
-#else
-#define get_mc_reason(regs) (mfspr(SPRN_MCSR))
-#endif
#define REASON_FP ESR_FP
#define REASON_ILLEGAL (ESR_PIL | ESR_PUO)
#define REASON_PRIVILEGED ESR_PPR
@@ -281,66 +277,6 @@
}
return 0;
}
-#elif defined(CONFIG_E500)
-int machine_check_e500(struct pt_regs *regs)
-{
- unsigned long reason = get_mc_reason(regs);
-
- printk("Machine check in kernel mode.\n");
- printk("Caused by (from MCSR=%lx): ", reason);
-
- if (reason & MCSR_MCP)
- printk("Machine Check Signal\n");
- if (reason & MCSR_ICPERR)
- printk("Instruction Cache Parity Error\n");
- if (reason & MCSR_DCP_PERR)
- printk("Data Cache Push Parity Error\n");
- if (reason & MCSR_DCPERR)
- printk("Data Cache Parity Error\n");
- if (reason & MCSR_BUS_IAERR)
- printk("Bus - Instruction Address Error\n");
- if (reason & MCSR_BUS_RAERR)
- printk("Bus - Read Address Error\n");
- if (reason & MCSR_BUS_WAERR)
- printk("Bus - Write Address Error\n");
- if (reason & MCSR_BUS_IBERR)
- printk("Bus - Instruction Data Error\n");
- if (reason & MCSR_BUS_RBERR)
- printk("Bus - Read Data Bus Error\n");
- if (reason & MCSR_BUS_WBERR)
- printk("Bus - Read Data Bus Error\n");
- if (reason & MCSR_BUS_IPERR)
- printk("Bus - Instruction Parity Error\n");
- if (reason & MCSR_BUS_RPERR)
- printk("Bus - Read Parity Error\n");
-
- return 0;
-}
-#elif defined(CONFIG_E200)
-int machine_check_e200(struct pt_regs *regs)
-{
- unsigned long reason = get_mc_reason(regs);
-
- printk("Machine check in kernel mode.\n");
- printk("Caused by (from MCSR=%lx): ", reason);
-
- if (reason & MCSR_MCP)
- printk("Machine Check Signal\n");
- if (reason & MCSR_CP_PERR)
- printk("Cache Push Parity Error\n");
- if (reason & MCSR_CPERR)
- printk("Cache Parity Error\n");
- if (reason & MCSR_EXCP_ERR)
- printk("ISI, ITLB, or Bus Error on first instruction fetch for an exception handler\n");
- if (reason & MCSR_BUS_IRERR)
- printk("Bus - Read Bus Error on instruction fetch\n");
- if (reason & MCSR_BUS_DRERR)
- printk("Bus - Read Bus Error on data load\n");
- if (reason & MCSR_BUS_WRERR)
- printk("Bus - Write Bus Error on buffered store or cache line push\n");
-
- return 0;
-}
#else
int machine_check_generic(struct pt_regs *regs)
{
@@ -866,63 +802,6 @@
}
#endif /* CONFIG_ALTIVEC */
-#ifdef CONFIG_E500
-void performance_monitor_exception(struct pt_regs *regs)
-{
- perf_irq(regs);
-}
-#endif
-
-#ifdef CONFIG_FSL_BOOKE
-void CacheLockingException(struct pt_regs *regs, unsigned long address,
- unsigned long error_code)
-{
- /* We treat cache locking instructions from the user
- * as priv ops, in the future we could try to do
- * something smarter
- */
- if (error_code & (ESR_DLK|ESR_ILK))
- _exception(SIGILL, regs, ILL_PRVOPC, regs->nip);
- return;
-}
-#endif /* CONFIG_FSL_BOOKE */
-
-#ifdef CONFIG_SPE
-void SPEFloatingPointException(struct pt_regs *regs)
-{
- unsigned long spefscr;
- int fpexc_mode;
- int code = 0;
-
- spefscr = current->thread.spefscr;
- fpexc_mode = current->thread.fpexc_mode;
-
- /* Hardware does not necessarily set sticky
- * underflow/overflow/invalid flags */
- if ((spefscr & SPEFSCR_FOVF) && (fpexc_mode & PR_FP_EXC_OVF)) {
- code = FPE_FLTOVF;
- spefscr |= SPEFSCR_FOVFS;
- }
- else if ((spefscr & SPEFSCR_FUNF) && (fpexc_mode & PR_FP_EXC_UND)) {
- code = FPE_FLTUND;
- spefscr |= SPEFSCR_FUNFS;
- }
- else if ((spefscr & SPEFSCR_FDBZ) && (fpexc_mode & PR_FP_EXC_DIV))
- code = FPE_FLTDIV;
- else if ((spefscr & SPEFSCR_FINV) && (fpexc_mode & PR_FP_EXC_INV)) {
- code = FPE_FLTINV;
- spefscr |= SPEFSCR_FINVS;
- }
- else if ((spefscr & (SPEFSCR_FG | SPEFSCR_FX)) && (fpexc_mode & PR_FP_EXC_RES))
- code = FPE_FLTRES;
-
- current->thread.spefscr = spefscr;
-
- _exception(SIGFPE, regs, code, regs->nip);
- return;
-}
-#endif
-
#ifdef CONFIG_BOOKE_WDT
/*
* Default handler for a Watchdog exception,