ee39b37b23
There's only one usage of MM_VM_SIZE(mm) left, and it's a troublesome macro because mm doesn't contain the (32-bit emulation?) info needed. But it too is only needed because we ignore the end from the vma list. We could make flush_pgtables return that end, or unmap_vmas. Choose the latter, since it's a natural fit with unmap_mapping_range_vma needing to know its restart addr. This does make more than minimal change, but if unmap_vmas had returned the end before, this is how we'd have done it, rather than storing the break_addr in zap_details. unmap_vmas used to return count of vmas scanned, but that's just debug which hasn't been useful in a while; and if we want the map_count 0 on exit check back, it can easily come from the final remove_vm_struct loop. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
670 lines
27 KiB
C
670 lines
27 KiB
C
#ifndef __ASM_PPC64_PROCESSOR_H
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#define __ASM_PPC64_PROCESSOR_H
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/*
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* Copyright (C) 2001 PPC 64 Team, IBM Corp
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/stringify.h>
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#ifndef __ASSEMBLY__
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#include <linux/config.h>
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#include <asm/atomic.h>
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#include <asm/ppcdebug.h>
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#include <asm/a.out.h>
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#endif
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#include <asm/ptrace.h>
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#include <asm/types.h>
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#include <asm/systemcfg.h>
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/* Machine State Register (MSR) Fields */
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#define MSR_SF_LG 63 /* Enable 64 bit mode */
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#define MSR_ISF_LG 61 /* Interrupt 64b mode valid on 630 */
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#define MSR_HV_LG 60 /* Hypervisor state */
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#define MSR_VEC_LG 25 /* Enable AltiVec */
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#define MSR_POW_LG 18 /* Enable Power Management */
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#define MSR_WE_LG 18 /* Wait State Enable */
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#define MSR_TGPR_LG 17 /* TLB Update registers in use */
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#define MSR_CE_LG 17 /* Critical Interrupt Enable */
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#define MSR_ILE_LG 16 /* Interrupt Little Endian */
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#define MSR_EE_LG 15 /* External Interrupt Enable */
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#define MSR_PR_LG 14 /* Problem State / Privilege Level */
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#define MSR_FP_LG 13 /* Floating Point enable */
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#define MSR_ME_LG 12 /* Machine Check Enable */
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#define MSR_FE0_LG 11 /* Floating Exception mode 0 */
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#define MSR_SE_LG 10 /* Single Step */
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#define MSR_BE_LG 9 /* Branch Trace */
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#define MSR_DE_LG 9 /* Debug Exception Enable */
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#define MSR_FE1_LG 8 /* Floating Exception mode 1 */
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#define MSR_IP_LG 6 /* Exception prefix 0x000/0xFFF */
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#define MSR_IR_LG 5 /* Instruction Relocate */
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#define MSR_DR_LG 4 /* Data Relocate */
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#define MSR_PE_LG 3 /* Protection Enable */
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#define MSR_PX_LG 2 /* Protection Exclusive Mode */
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#define MSR_PMM_LG 2 /* Performance monitor */
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#define MSR_RI_LG 1 /* Recoverable Exception */
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#define MSR_LE_LG 0 /* Little Endian */
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#ifdef __ASSEMBLY__
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#define __MASK(X) (1<<(X))
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#else
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#define __MASK(X) (1UL<<(X))
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#endif
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#define MSR_SF __MASK(MSR_SF_LG) /* Enable 64 bit mode */
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#define MSR_ISF __MASK(MSR_ISF_LG) /* Interrupt 64b mode valid on 630 */
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#define MSR_HV __MASK(MSR_HV_LG) /* Hypervisor state */
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#define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */
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#define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Management */
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#define MSR_WE __MASK(MSR_WE_LG) /* Wait State Enable */
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#define MSR_TGPR __MASK(MSR_TGPR_LG) /* TLB Update registers in use */
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#define MSR_CE __MASK(MSR_CE_LG) /* Critical Interrupt Enable */
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#define MSR_ILE __MASK(MSR_ILE_LG) /* Interrupt Little Endian */
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#define MSR_EE __MASK(MSR_EE_LG) /* External Interrupt Enable */
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#define MSR_PR __MASK(MSR_PR_LG) /* Problem State / Privilege Level */
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#define MSR_FP __MASK(MSR_FP_LG) /* Floating Point enable */
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#define MSR_ME __MASK(MSR_ME_LG) /* Machine Check Enable */
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#define MSR_FE0 __MASK(MSR_FE0_LG) /* Floating Exception mode 0 */
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#define MSR_SE __MASK(MSR_SE_LG) /* Single Step */
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#define MSR_BE __MASK(MSR_BE_LG) /* Branch Trace */
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#define MSR_DE __MASK(MSR_DE_LG) /* Debug Exception Enable */
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#define MSR_FE1 __MASK(MSR_FE1_LG) /* Floating Exception mode 1 */
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#define MSR_IP __MASK(MSR_IP_LG) /* Exception prefix 0x000/0xFFF */
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#define MSR_IR __MASK(MSR_IR_LG) /* Instruction Relocate */
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#define MSR_DR __MASK(MSR_DR_LG) /* Data Relocate */
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#define MSR_PE __MASK(MSR_PE_LG) /* Protection Enable */
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#define MSR_PX __MASK(MSR_PX_LG) /* Protection Exclusive Mode */
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#define MSR_PMM __MASK(MSR_PMM_LG) /* Performance monitor */
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#define MSR_RI __MASK(MSR_RI_LG) /* Recoverable Exception */
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#define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */
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#define MSR_ MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF
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#define MSR_KERNEL MSR_ | MSR_SF | MSR_HV
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#define MSR_USER32 MSR_ | MSR_PR | MSR_EE
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#define MSR_USER64 MSR_USER32 | MSR_SF
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/* Floating Point Status and Control Register (FPSCR) Fields */
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#define FPSCR_FX 0x80000000 /* FPU exception summary */
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#define FPSCR_FEX 0x40000000 /* FPU enabled exception summary */
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#define FPSCR_VX 0x20000000 /* Invalid operation summary */
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#define FPSCR_OX 0x10000000 /* Overflow exception summary */
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#define FPSCR_UX 0x08000000 /* Underflow exception summary */
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#define FPSCR_ZX 0x04000000 /* Zero-divide exception summary */
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#define FPSCR_XX 0x02000000 /* Inexact exception summary */
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#define FPSCR_VXSNAN 0x01000000 /* Invalid op for SNaN */
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#define FPSCR_VXISI 0x00800000 /* Invalid op for Inv - Inv */
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#define FPSCR_VXIDI 0x00400000 /* Invalid op for Inv / Inv */
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#define FPSCR_VXZDZ 0x00200000 /* Invalid op for Zero / Zero */
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#define FPSCR_VXIMZ 0x00100000 /* Invalid op for Inv * Zero */
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#define FPSCR_VXVC 0x00080000 /* Invalid op for Compare */
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#define FPSCR_FR 0x00040000 /* Fraction rounded */
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#define FPSCR_FI 0x00020000 /* Fraction inexact */
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#define FPSCR_FPRF 0x0001f000 /* FPU Result Flags */
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#define FPSCR_FPCC 0x0000f000 /* FPU Condition Codes */
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#define FPSCR_VXSOFT 0x00000400 /* Invalid op for software request */
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#define FPSCR_VXSQRT 0x00000200 /* Invalid op for square root */
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#define FPSCR_VXCVI 0x00000100 /* Invalid op for integer convert */
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#define FPSCR_VE 0x00000080 /* Invalid op exception enable */
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#define FPSCR_OE 0x00000040 /* IEEE overflow exception enable */
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#define FPSCR_UE 0x00000020 /* IEEE underflow exception enable */
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#define FPSCR_ZE 0x00000010 /* IEEE zero divide exception enable */
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#define FPSCR_XE 0x00000008 /* FP inexact exception enable */
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#define FPSCR_NI 0x00000004 /* FPU non IEEE-Mode */
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#define FPSCR_RN 0x00000003 /* FPU rounding control */
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/* Special Purpose Registers (SPRNs)*/
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#define SPRN_CDBCR 0x3D7 /* Cache Debug Control Register */
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#define SPRN_CTR 0x009 /* Count Register */
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#define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */
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#define SPRN_DAC1 0x3F6 /* Data Address Compare 1 */
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#define SPRN_DAC2 0x3F7 /* Data Address Compare 2 */
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#define SPRN_DAR 0x013 /* Data Address Register */
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#define SPRN_DBCR 0x3F2 /* Debug Control Regsiter */
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#define DBCR_EDM 0x80000000
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#define DBCR_IDM 0x40000000
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#define DBCR_RST(x) (((x) & 0x3) << 28)
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#define DBCR_RST_NONE 0
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#define DBCR_RST_CORE 1
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#define DBCR_RST_CHIP 2
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#define DBCR_RST_SYSTEM 3
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#define DBCR_IC 0x08000000 /* Instruction Completion Debug Evnt */
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#define DBCR_BT 0x04000000 /* Branch Taken Debug Event */
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#define DBCR_EDE 0x02000000 /* Exception Debug Event */
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#define DBCR_TDE 0x01000000 /* TRAP Debug Event */
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#define DBCR_FER 0x00F80000 /* First Events Remaining Mask */
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#define DBCR_FT 0x00040000 /* Freeze Timers on Debug Event */
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#define DBCR_IA1 0x00020000 /* Instr. Addr. Compare 1 Enable */
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#define DBCR_IA2 0x00010000 /* Instr. Addr. Compare 2 Enable */
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#define DBCR_D1R 0x00008000 /* Data Addr. Compare 1 Read Enable */
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#define DBCR_D1W 0x00004000 /* Data Addr. Compare 1 Write Enable */
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#define DBCR_D1S(x) (((x) & 0x3) << 12) /* Data Adrr. Compare 1 Size */
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#define DAC_BYTE 0
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#define DAC_HALF 1
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#define DAC_WORD 2
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#define DAC_QUAD 3
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#define DBCR_D2R 0x00000800 /* Data Addr. Compare 2 Read Enable */
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#define DBCR_D2W 0x00000400 /* Data Addr. Compare 2 Write Enable */
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#define DBCR_D2S(x) (((x) & 0x3) << 8) /* Data Addr. Compare 2 Size */
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#define DBCR_SBT 0x00000040 /* Second Branch Taken Debug Event */
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#define DBCR_SED 0x00000020 /* Second Exception Debug Event */
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#define DBCR_STD 0x00000010 /* Second Trap Debug Event */
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#define DBCR_SIA 0x00000008 /* Second IAC Enable */
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#define DBCR_SDA 0x00000004 /* Second DAC Enable */
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#define DBCR_JOI 0x00000002 /* JTAG Serial Outbound Int. Enable */
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#define DBCR_JII 0x00000001 /* JTAG Serial Inbound Int. Enable */
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#define SPRN_DBCR0 0x3F2 /* Debug Control Register 0 */
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#define SPRN_DBCR1 0x3BD /* Debug Control Register 1 */
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#define SPRN_DBSR 0x3F0 /* Debug Status Register */
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#define SPRN_DCCR 0x3FA /* Data Cache Cacheability Register */
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#define DCCR_NOCACHE 0 /* Noncacheable */
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#define DCCR_CACHE 1 /* Cacheable */
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#define SPRN_DCMP 0x3D1 /* Data TLB Compare Register */
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#define SPRN_DCWR 0x3BA /* Data Cache Write-thru Register */
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#define DCWR_COPY 0 /* Copy-back */
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#define DCWR_WRITE 1 /* Write-through */
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#define SPRN_DEAR 0x3D5 /* Data Error Address Register */
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#define SPRN_DEC 0x016 /* Decrement Register */
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#define SPRN_DMISS 0x3D0 /* Data TLB Miss Register */
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#define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
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#define DSISR_NOHPTE 0x40000000 /* no translation found */
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#define DSISR_PROTFAULT 0x08000000 /* protection fault */
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#define DSISR_ISSTORE 0x02000000 /* access was a store */
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#define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */
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#define DSISR_NOSEGMENT 0x00200000 /* STAB/SLB miss */
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#define SPRN_EAR 0x11A /* External Address Register */
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#define SPRN_ESR 0x3D4 /* Exception Syndrome Register */
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#define ESR_IMCP 0x80000000 /* Instr. Machine Check - Protection */
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#define ESR_IMCN 0x40000000 /* Instr. Machine Check - Non-config */
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#define ESR_IMCB 0x20000000 /* Instr. Machine Check - Bus error */
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#define ESR_IMCT 0x10000000 /* Instr. Machine Check - Timeout */
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#define ESR_PIL 0x08000000 /* Program Exception - Illegal */
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#define ESR_PPR 0x04000000 /* Program Exception - Priveleged */
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#define ESR_PTR 0x02000000 /* Program Exception - Trap */
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#define ESR_DST 0x00800000 /* Storage Exception - Data miss */
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#define ESR_DIZ 0x00400000 /* Storage Exception - Zone fault */
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#define SPRN_EVPR 0x3D6 /* Exception Vector Prefix Register */
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#define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */
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#define SPRN_HASH2 0x3D3 /* Secondary Hash Address Resgister */
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#define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */
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#define HID0_EMCP (1<<31) /* Enable Machine Check pin */
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#define HID0_EBA (1<<29) /* Enable Bus Address Parity */
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#define HID0_EBD (1<<28) /* Enable Bus Data Parity */
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#define HID0_SBCLK (1<<27)
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#define HID0_EICE (1<<26)
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#define HID0_ECLK (1<<25)
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#define HID0_PAR (1<<24)
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#define HID0_DOZE (1<<23)
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#define HID0_NAP (1<<22)
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#define HID0_SLEEP (1<<21)
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#define HID0_DPM (1<<20)
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#define HID0_ICE (1<<15) /* Instruction Cache Enable */
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#define HID0_DCE (1<<14) /* Data Cache Enable */
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#define HID0_ILOCK (1<<13) /* Instruction Cache Lock */
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#define HID0_DLOCK (1<<12) /* Data Cache Lock */
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#define HID0_ICFI (1<<11) /* Instr. Cache Flash Invalidate */
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#define HID0_DCI (1<<10) /* Data Cache Invalidate */
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#define HID0_SPD (1<<9) /* Speculative disable */
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#define HID0_SGE (1<<7) /* Store Gathering Enable */
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#define HID0_SIED (1<<7) /* Serial Instr. Execution [Disable] */
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#define HID0_BTIC (1<<5) /* Branch Target Instruction Cache Enable */
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#define HID0_ABE (1<<3) /* Address Broadcast Enable */
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#define HID0_BHTE (1<<2) /* Branch History Table Enable */
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#define HID0_BTCD (1<<1) /* Branch target cache disable */
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#define SPRN_MSRDORM 0x3F1 /* Hardware Implementation Register 1 */
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#define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */
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#define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */
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#define SPRN_NIADORM 0x3F3 /* Hardware Implementation Register 2 */
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#define SPRN_HID4 0x3F4 /* 970 HID4 */
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#define SPRN_HID5 0x3F6 /* 970 HID5 */
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#define SPRN_TSC 0x3FD /* Thread switch control */
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#define SPRN_TST 0x3FC /* Thread switch timeout */
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#define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */
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#define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */
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#define SPRN_ICCR 0x3FB /* Instruction Cache Cacheability Register */
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#define ICCR_NOCACHE 0 /* Noncacheable */
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#define ICCR_CACHE 1 /* Cacheable */
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#define SPRN_ICDBDR 0x3D3 /* Instruction Cache Debug Data Register */
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#define SPRN_ICMP 0x3D5 /* Instruction TLB Compare Register */
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#define SPRN_ICTC 0x3FB /* Instruction Cache Throttling Control Reg */
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#define SPRN_IMISS 0x3D4 /* Instruction TLB Miss Register */
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#define SPRN_IMMR 0x27E /* Internal Memory Map Register */
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#define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Regsiter */
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#define SPRN_LR 0x008 /* Link Register */
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#define SPRN_PBL1 0x3FC /* Protection Bound Lower 1 */
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#define SPRN_PBL2 0x3FE /* Protection Bound Lower 2 */
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#define SPRN_PBU1 0x3FD /* Protection Bound Upper 1 */
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#define SPRN_PBU2 0x3FF /* Protection Bound Upper 2 */
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#define SPRN_PID 0x3B1 /* Process ID */
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#define SPRN_PIR 0x3FF /* Processor Identification Register */
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#define SPRN_PIT 0x3DB /* Programmable Interval Timer */
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#define SPRN_PURR 0x135 /* Processor Utilization of Resources Register */
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#define SPRN_PVR 0x11F /* Processor Version Register */
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#define SPRN_RPA 0x3D6 /* Required Physical Address Register */
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#define SPRN_SDA 0x3BF /* Sampled Data Address Register */
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#define SPRN_SDR1 0x019 /* MMU Hash Base Register */
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#define SPRN_SGR 0x3B9 /* Storage Guarded Register */
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#define SGR_NORMAL 0
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#define SGR_GUARDED 1
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#define SPRN_SIA 0x3BB /* Sampled Instruction Address Register */
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#define SPRN_SPRG0 0x110 /* Special Purpose Register General 0 */
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#define SPRN_SPRG1 0x111 /* Special Purpose Register General 1 */
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#define SPRN_SPRG2 0x112 /* Special Purpose Register General 2 */
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#define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */
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#define SPRN_SRR0 0x01A /* Save/Restore Register 0 */
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#define SPRN_SRR1 0x01B /* Save/Restore Register 1 */
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#define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */
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#define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */
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#define SPRN_TBWL 0x11C /* Time Base Lower Register (super, W/O) */
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#define SPRN_TBWU 0x11D /* Time Base Write Upper Register (super, W/O) */
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#define SPRN_HIOR 0x137 /* 970 Hypervisor interrupt offset */
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#define SPRN_TCR 0x3DA /* Timer Control Register */
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#define TCR_WP(x) (((x)&0x3)<<30) /* WDT Period */
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#define WP_2_17 0 /* 2^17 clocks */
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#define WP_2_21 1 /* 2^21 clocks */
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#define WP_2_25 2 /* 2^25 clocks */
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#define WP_2_29 3 /* 2^29 clocks */
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#define TCR_WRC(x) (((x)&0x3)<<28) /* WDT Reset Control */
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#define WRC_NONE 0 /* No reset will occur */
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#define WRC_CORE 1 /* Core reset will occur */
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#define WRC_CHIP 2 /* Chip reset will occur */
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#define WRC_SYSTEM 3 /* System reset will occur */
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#define TCR_WIE 0x08000000 /* WDT Interrupt Enable */
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#define TCR_PIE 0x04000000 /* PIT Interrupt Enable */
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#define TCR_FP(x) (((x)&0x3)<<24) /* FIT Period */
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#define FP_2_9 0 /* 2^9 clocks */
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#define FP_2_13 1 /* 2^13 clocks */
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#define FP_2_17 2 /* 2^17 clocks */
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#define FP_2_21 3 /* 2^21 clocks */
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#define TCR_FIE 0x00800000 /* FIT Interrupt Enable */
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#define TCR_ARE 0x00400000 /* Auto Reload Enable */
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#define SPRN_THRM1 0x3FC /* Thermal Management Register 1 */
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#define THRM1_TIN (1<<0)
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#define THRM1_TIV (1<<1)
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#define THRM1_THRES (0x7f<<2)
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#define THRM1_TID (1<<29)
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#define THRM1_TIE (1<<30)
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#define THRM1_V (1<<31)
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#define SPRN_THRM2 0x3FD /* Thermal Management Register 2 */
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#define SPRN_THRM3 0x3FE /* Thermal Management Register 3 */
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#define THRM3_E (1<<31)
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#define SPRN_TSR 0x3D8 /* Timer Status Register */
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#define TSR_ENW 0x80000000 /* Enable Next Watchdog */
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#define TSR_WIS 0x40000000 /* WDT Interrupt Status */
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#define TSR_WRS(x) (((x)&0x3)<<28) /* WDT Reset Status */
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#define WRS_NONE 0 /* No WDT reset occurred */
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#define WRS_CORE 1 /* WDT forced core reset */
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#define WRS_CHIP 2 /* WDT forced chip reset */
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#define WRS_SYSTEM 3 /* WDT forced system reset */
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#define TSR_PIS 0x08000000 /* PIT Interrupt Status */
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#define TSR_FIS 0x04000000 /* FIT Interrupt Status */
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#define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */
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#define SPRN_XER 0x001 /* Fixed Point Exception Register */
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#define SPRN_ZPR 0x3B0 /* Zone Protection Register */
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#define SPRN_VRSAVE 0x100 /* Vector save */
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/* Performance monitor SPRs */
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#define SPRN_SIAR 780
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#define SPRN_SDAR 781
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#define SPRN_MMCRA 786
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#define MMCRA_SIHV 0x10000000UL /* state of MSR HV when SIAR set */
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#define MMCRA_SIPR 0x08000000UL /* state of MSR PR when SIAR set */
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#define MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */
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#define SPRN_PMC1 787
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#define SPRN_PMC2 788
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#define SPRN_PMC3 789
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#define SPRN_PMC4 790
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#define SPRN_PMC5 791
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#define SPRN_PMC6 792
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#define SPRN_PMC7 793
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#define SPRN_PMC8 794
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#define SPRN_MMCR0 795
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#define MMCR0_FC 0x80000000UL /* freeze counters. set to 1 on a perfmon exception */
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#define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */
|
|
#define MMCR0_KERNEL_DISABLE MMCR0_FCS
|
|
#define MMCR0_FCP 0x20000000UL /* freeze in problem state */
|
|
#define MMCR0_PROBLEM_DISABLE MMCR0_FCP
|
|
#define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */
|
|
#define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */
|
|
#define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */
|
|
#define MMCR0_FCECE 0x02000000UL /* freeze counters on enabled condition or event */
|
|
/* time base exception enable */
|
|
#define MMCR0_TBEE 0x00400000UL /* time base exception enable */
|
|
#define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/
|
|
#define MMCR0_PMCjCE 0x00004000UL /* PMCj count enable*/
|
|
#define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */
|
|
#define MMCR0_PMAO 0x00000080UL /* performance monitor alert has occurred, set to 0 after handling exception */
|
|
#define MMCR0_SHRFC 0x00000040UL /* SHRre freeze conditions between threads */
|
|
#define MMCR0_FCTI 0x00000008UL /* freeze counters in tags inactive mode */
|
|
#define MMCR0_FCTA 0x00000004UL /* freeze counters in tags active mode */
|
|
#define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */
|
|
#define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */
|
|
#define SPRN_MMCR1 798
|
|
|
|
/* Short-hand versions for a number of the above SPRNs */
|
|
|
|
#define CTR SPRN_CTR /* Counter Register */
|
|
#define DAR SPRN_DAR /* Data Address Register */
|
|
#define DABR SPRN_DABR /* Data Address Breakpoint Register */
|
|
#define DCMP SPRN_DCMP /* Data TLB Compare Register */
|
|
#define DEC SPRN_DEC /* Decrement Register */
|
|
#define DMISS SPRN_DMISS /* Data TLB Miss Register */
|
|
#define DSISR SPRN_DSISR /* Data Storage Interrupt Status Register */
|
|
#define EAR SPRN_EAR /* External Address Register */
|
|
#define HASH1 SPRN_HASH1 /* Primary Hash Address Register */
|
|
#define HASH2 SPRN_HASH2 /* Secondary Hash Address Register */
|
|
#define HID0 SPRN_HID0 /* Hardware Implementation Register 0 */
|
|
#define MSRDORM SPRN_MSRDORM /* MSR Dormant Register */
|
|
#define NIADORM SPRN_NIADORM /* NIA Dormant Register */
|
|
#define TSC SPRN_TSC /* Thread switch control */
|
|
#define TST SPRN_TST /* Thread switch timeout */
|
|
#define IABR SPRN_IABR /* Instruction Address Breakpoint Register */
|
|
#define ICMP SPRN_ICMP /* Instruction TLB Compare Register */
|
|
#define IMISS SPRN_IMISS /* Instruction TLB Miss Register */
|
|
#define IMMR SPRN_IMMR /* PPC 860/821 Internal Memory Map Register */
|
|
#define L2CR SPRN_L2CR /* PPC 750 L2 control register */
|
|
#define __LR SPRN_LR
|
|
#define PVR SPRN_PVR /* Processor Version */
|
|
#define PIR SPRN_PIR /* Processor ID */
|
|
#define PURR SPRN_PURR /* Processor Utilization of Resource Register */
|
|
//#define RPA SPRN_RPA /* Required Physical Address Register */
|
|
#define SDR1 SPRN_SDR1 /* MMU hash base register */
|
|
#define SPR0 SPRN_SPRG0 /* Supervisor Private Registers */
|
|
#define SPR1 SPRN_SPRG1
|
|
#define SPR2 SPRN_SPRG2
|
|
#define SPR3 SPRN_SPRG3
|
|
#define SPRG0 SPRN_SPRG0
|
|
#define SPRG1 SPRN_SPRG1
|
|
#define SPRG2 SPRN_SPRG2
|
|
#define SPRG3 SPRN_SPRG3
|
|
#define SRR0 SPRN_SRR0 /* Save and Restore Register 0 */
|
|
#define SRR1 SPRN_SRR1 /* Save and Restore Register 1 */
|
|
#define TBRL SPRN_TBRL /* Time Base Read Lower Register */
|
|
#define TBRU SPRN_TBRU /* Time Base Read Upper Register */
|
|
#define TBWL SPRN_TBWL /* Time Base Write Lower Register */
|
|
#define TBWU SPRN_TBWU /* Time Base Write Upper Register */
|
|
#define ICTC 1019
|
|
#define THRM1 SPRN_THRM1 /* Thermal Management Register 1 */
|
|
#define THRM2 SPRN_THRM2 /* Thermal Management Register 2 */
|
|
#define THRM3 SPRN_THRM3 /* Thermal Management Register 3 */
|
|
#define XER SPRN_XER
|
|
|
|
/* Processor Version Register (PVR) field extraction */
|
|
|
|
#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
|
|
#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
|
|
|
|
/* Processor Version Numbers */
|
|
#define PV_NORTHSTAR 0x0033
|
|
#define PV_PULSAR 0x0034
|
|
#define PV_POWER4 0x0035
|
|
#define PV_ICESTAR 0x0036
|
|
#define PV_SSTAR 0x0037
|
|
#define PV_POWER4p 0x0038
|
|
#define PV_970 0x0039
|
|
#define PV_POWER5 0x003A
|
|
#define PV_POWER5p 0x003B
|
|
#define PV_970FX 0x003C
|
|
#define PV_630 0x0040
|
|
#define PV_630p 0x0041
|
|
|
|
/* Platforms supported by PPC64 */
|
|
#define PLATFORM_PSERIES 0x0100
|
|
#define PLATFORM_PSERIES_LPAR 0x0101
|
|
#define PLATFORM_ISERIES_LPAR 0x0201
|
|
#define PLATFORM_LPAR 0x0001
|
|
#define PLATFORM_POWERMAC 0x0400
|
|
#define PLATFORM_MAPLE 0x0500
|
|
|
|
/* Compatibility with drivers coming from PPC32 world */
|
|
#define _machine (systemcfg->platform)
|
|
#define _MACH_Pmac PLATFORM_POWERMAC
|
|
|
|
/*
|
|
* List of interrupt controllers.
|
|
*/
|
|
#define IC_INVALID 0
|
|
#define IC_OPEN_PIC 1
|
|
#define IC_PPC_XIC 2
|
|
|
|
#define XGLUE(a,b) a##b
|
|
#define GLUE(a,b) XGLUE(a,b)
|
|
|
|
/* iSeries CTRL register (for runlatch) */
|
|
|
|
#define CTRLT 0x098
|
|
#define CTRLF 0x088
|
|
#define RUNLATCH 0x0001
|
|
|
|
#ifdef __ASSEMBLY__
|
|
|
|
#define _GLOBAL(name) \
|
|
.section ".text"; \
|
|
.align 2 ; \
|
|
.globl name; \
|
|
.globl GLUE(.,name); \
|
|
.section ".opd","aw"; \
|
|
name: \
|
|
.quad GLUE(.,name); \
|
|
.quad .TOC.@tocbase; \
|
|
.quad 0; \
|
|
.previous; \
|
|
.type GLUE(.,name),@function; \
|
|
GLUE(.,name):
|
|
|
|
#define _STATIC(name) \
|
|
.section ".text"; \
|
|
.align 2 ; \
|
|
.section ".opd","aw"; \
|
|
name: \
|
|
.quad GLUE(.,name); \
|
|
.quad .TOC.@tocbase; \
|
|
.quad 0; \
|
|
.previous; \
|
|
.type GLUE(.,name),@function; \
|
|
GLUE(.,name):
|
|
|
|
#else /* __ASSEMBLY__ */
|
|
|
|
/*
|
|
* Default implementation of macro that returns current
|
|
* instruction pointer ("program counter").
|
|
*/
|
|
#define current_text_addr() ({ __label__ _l; _l: &&_l;})
|
|
|
|
/* Macros for setting and retrieving special purpose registers */
|
|
|
|
#define mfmsr() ({unsigned long rval; \
|
|
asm volatile("mfmsr %0" : "=r" (rval)); rval;})
|
|
|
|
#define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \
|
|
: : "r" (v))
|
|
#define mtmsrd(v) __mtmsrd((v), 0)
|
|
|
|
#define mfspr(rn) ({unsigned long rval; \
|
|
asm volatile("mfspr %0," __stringify(rn) \
|
|
: "=r" (rval)); rval;})
|
|
#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
|
|
|
|
#define mftb() ({unsigned long rval; \
|
|
asm volatile("mftb %0" : "=r" (rval)); rval;})
|
|
|
|
#define mttbl(v) asm volatile("mttbl %0":: "r"(v))
|
|
#define mttbu(v) asm volatile("mttbu %0":: "r"(v))
|
|
|
|
#define mfasr() ({unsigned long rval; \
|
|
asm volatile("mfasr %0" : "=r" (rval)); rval;})
|
|
|
|
static inline void set_tb(unsigned int upper, unsigned int lower)
|
|
{
|
|
mttbl(0);
|
|
mttbu(upper);
|
|
mttbl(lower);
|
|
}
|
|
|
|
#define __get_SP() ({unsigned long sp; \
|
|
asm volatile("mr %0,1": "=r" (sp)); sp;})
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
extern int have_of;
|
|
extern u64 ppc64_interrupt_controller;
|
|
|
|
struct task_struct;
|
|
void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp);
|
|
void release_thread(struct task_struct *);
|
|
|
|
/* Prepare to copy thread state - unlazy all lazy status */
|
|
extern void prepare_to_copy(struct task_struct *tsk);
|
|
|
|
/* Create a new kernel thread. */
|
|
extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
|
|
|
|
/* Lazy FPU handling on uni-processor */
|
|
extern struct task_struct *last_task_used_math;
|
|
extern struct task_struct *last_task_used_altivec;
|
|
|
|
/* 64-bit user address space is 41-bits (2TBs user VM) */
|
|
#define TASK_SIZE_USER64 (0x0000020000000000UL)
|
|
|
|
/*
|
|
* 32-bit user address space is 4GB - 1 page
|
|
* (this 1 page is needed so referencing of 0xFFFFFFFF generates EFAULT
|
|
*/
|
|
#define TASK_SIZE_USER32 (0x0000000100000000UL - (1*PAGE_SIZE))
|
|
|
|
#define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \
|
|
TASK_SIZE_USER32 : TASK_SIZE_USER64)
|
|
|
|
/* This decides where the kernel will search for a free chunk of vm
|
|
* space during mmap's.
|
|
*/
|
|
#define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4))
|
|
#define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_USER64 / 4))
|
|
|
|
#define TASK_UNMAPPED_BASE ((test_thread_flag(TIF_32BIT)||(ppcdebugset(PPCDBG_BINFMT_32ADDR))) ? \
|
|
TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 )
|
|
|
|
typedef struct {
|
|
unsigned long seg;
|
|
} mm_segment_t;
|
|
|
|
struct thread_struct {
|
|
unsigned long ksp; /* Kernel stack pointer */
|
|
unsigned long ksp_vsid;
|
|
struct pt_regs *regs; /* Pointer to saved register state */
|
|
mm_segment_t fs; /* for get_fs() validation */
|
|
double fpr[32]; /* Complete floating point set */
|
|
unsigned long fpscr; /* Floating point status (plus pad) */
|
|
unsigned long fpexc_mode; /* Floating-point exception mode */
|
|
unsigned long start_tb; /* Start purr when proc switched in */
|
|
unsigned long accum_tb; /* Total accumilated purr for process */
|
|
unsigned long vdso_base; /* base of the vDSO library */
|
|
#ifdef CONFIG_ALTIVEC
|
|
/* Complete AltiVec register set */
|
|
vector128 vr[32] __attribute((aligned(16)));
|
|
/* AltiVec status */
|
|
vector128 vscr __attribute((aligned(16)));
|
|
unsigned long vrsave;
|
|
int used_vr; /* set if process has used altivec */
|
|
#endif /* CONFIG_ALTIVEC */
|
|
};
|
|
|
|
#define ARCH_MIN_TASKALIGN 16
|
|
|
|
#define INIT_SP (sizeof(init_stack) + (unsigned long) &init_stack)
|
|
|
|
#define INIT_THREAD { \
|
|
.ksp = INIT_SP, \
|
|
.regs = (struct pt_regs *)INIT_SP - 1, \
|
|
.fs = KERNEL_DS, \
|
|
.fpr = {0}, \
|
|
.fpscr = 0, \
|
|
.fpexc_mode = MSR_FE0|MSR_FE1, \
|
|
}
|
|
|
|
/*
|
|
* Note: the vm_start and vm_end fields here should *not*
|
|
* be in kernel space. (Could vm_end == vm_start perhaps?)
|
|
*/
|
|
#define IOREMAP_MMAP { &ioremap_mm, 0, 0x1000, NULL, \
|
|
PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, \
|
|
1, NULL, NULL }
|
|
|
|
extern struct mm_struct ioremap_mm;
|
|
|
|
/*
|
|
* Return saved PC of a blocked thread. For now, this is the "user" PC
|
|
*/
|
|
#define thread_saved_pc(tsk) \
|
|
((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
|
|
|
|
unsigned long get_wchan(struct task_struct *p);
|
|
|
|
#define KSTK_EIP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
|
|
#define KSTK_ESP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->gpr[1]: 0)
|
|
|
|
/* Get/set floating-point exception mode */
|
|
#define GET_FPEXC_CTL(tsk, adr) get_fpexc_mode((tsk), (adr))
|
|
#define SET_FPEXC_CTL(tsk, val) set_fpexc_mode((tsk), (val))
|
|
|
|
extern int get_fpexc_mode(struct task_struct *tsk, unsigned long adr);
|
|
extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val);
|
|
|
|
static inline unsigned int __unpack_fe01(unsigned long msr_bits)
|
|
{
|
|
return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8);
|
|
}
|
|
|
|
static inline unsigned long __pack_fe01(unsigned int fpmode)
|
|
{
|
|
return ((fpmode << 10) & MSR_FE0) | ((fpmode << 8) & MSR_FE1);
|
|
}
|
|
|
|
#define cpu_relax() do { HMT_low(); HMT_medium(); barrier(); } while (0)
|
|
|
|
/*
|
|
* Prefetch macros.
|
|
*/
|
|
#define ARCH_HAS_PREFETCH
|
|
#define ARCH_HAS_PREFETCHW
|
|
#define ARCH_HAS_SPINLOCK_PREFETCH
|
|
|
|
static inline void prefetch(const void *x)
|
|
{
|
|
if (unlikely(!x))
|
|
return;
|
|
|
|
__asm__ __volatile__ ("dcbt 0,%0" : : "r" (x));
|
|
}
|
|
|
|
static inline void prefetchw(const void *x)
|
|
{
|
|
if (unlikely(!x))
|
|
return;
|
|
|
|
__asm__ __volatile__ ("dcbtst 0,%0" : : "r" (x));
|
|
}
|
|
|
|
#define spin_lock_prefetch(x) prefetchw(x)
|
|
|
|
#define HAVE_ARCH_PICK_MMAP_LAYOUT
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
/*
|
|
* Number of entries in the SLB. If this ever changes we should handle
|
|
* it with a use a cpu feature fixup.
|
|
*/
|
|
#define SLB_NUM_ENTRIES 64
|
|
|
|
#endif /* __ASM_PPC64_PROCESSOR_H */
|