| /kernel/linux/linux-5.10/arch/riscv/boot/dts/sifive/ |
| D | fu540-c000.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /* Copyright (c) 2018-2019 SiFive, Inc */
4 /dts-v1/;
6 #include <dt-bindings/clock/sifive-fu540-prci.h>
9 #address-cells = <2>;
10 #size-cells = <2>;
11 compatible = "sifive,fu540-c000", "sifive,fu540";
23 #address-cells = <1>;
24 #size-cells = <0>;
28 i-cache-block-size = <64>;
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| /kernel/linux/linux-6.6/arch/riscv/boot/dts/sifive/ |
| D | fu540-c000.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /* Copyright (c) 2018-2019 SiFive, Inc */
4 /dts-v1/;
6 #include <dt-bindings/clock/sifive-fu540-prci.h>
9 #address-cells = <2>;
10 #size-cells = <2>;
11 compatible = "sifive,fu540-c000", "sifive,fu540";
23 #address-cells = <1>;
24 #size-cells = <0>;
28 i-cache-block-size = <64>;
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| D | fu740-c000.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
4 /dts-v1/;
6 #include <dt-bindings/clock/sifive-fu740-prci.h>
9 #address-cells = <2>;
10 #size-cells = <2>;
11 compatible = "sifive,fu740-c000", "sifive,fu740";
23 #address-cells = <1>;
24 #size-cells = <0>;
28 i-cache-block-size = <64>;
29 i-cache-sets = <128>;
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| /kernel/linux/linux-6.6/arch/riscv/boot/dts/microchip/ |
| D | mpfs.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /* Copyright (c) 2020-2021 Microchip Technology Inc */
4 /dts-v1/;
5 #include "dt-bindings/clock/microchip,mpfs-clock.h"
8 #address-cells = <2>;
9 #size-cells = <2>;
14 #address-cells = <1>;
15 #size-cells = <0>;
20 i-cache-block-size = <64>;
21 i-cache-sets = <128>;
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| /kernel/linux/linux-6.6/arch/riscv/boot/dts/starfive/ |
| D | jh7100.dtsi | 1 // SPDX-License-Identifier: GPL-2.0 OR MIT
7 /dts-v1/;
8 #include <dt-bindings/clock/starfive-jh7100.h>
9 #include <dt-bindings/reset/starfive-jh7100.h>
13 #address-cells = <2>;
14 #size-cells = <2>;
17 #address-cells = <1>;
18 #size-cells = <0>;
21 compatible = "sifive,u74-mc", "riscv";
23 d-cache-block-size = <64>;
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| D | jh7110.dtsi | 1 // SPDX-License-Identifier: GPL-2.0 OR MIT
7 /dts-v1/;
8 #include <dt-bindings/clock/starfive,jh7110-crg.h>
9 #include <dt-bindings/power/starfive,jh7110-pmu.h>
10 #include <dt-bindings/reset/starfive,jh7110-crg.h>
11 #include <dt-bindings/thermal/thermal.h>
15 #address-cells = <2>;
16 #size-cells = <2>;
19 #address-cells = <1>;
20 #size-cells = <0>;
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| /kernel/linux/linux-5.10/arch/arc/mm/ |
| D | tlb.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * TLB Management (flush/create/diagnostics) for ARC700
5 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
8 * -Reintroduce duplicate PD fixup - some customer chips still have the issue
11 * -No need to flush_cache_page( ) for each call to update_mmu_cache()
13 * = page-fault thrice as fast (75 usec to 28 usec)
18 * -MMU v3: PD{0,1} bits layout changed: They don't overlap anymore,
22 * -MMU v2/v3 BCRs decoded differently
23 * -Remove TLB_SIZE hardcoding as it's variable now: 256 or 512
24 * -tlb_entry_erase( ) can be void
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| /kernel/linux/linux-6.6/arch/powerpc/boot/dts/ |
| D | microwatt.dts | 1 /dts-v1/;
4 #size-cells = <0x02>;
5 #address-cells = <0x02>;
6 model-name = "microwatt";
7 compatible = "microwatt-soc";
13 reserved-memory {
14 #size-cells = <0x02>;
15 #address-cells = <0x02>;
26 #clock-cells = <0>;
27 compatible = "fixed-clock";
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/riscv/ |
| D | cpus.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR MIT)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RISC-V bindings for 'cpus' DT nodes
10 - Paul Walmsley <paul.walmsley@sifive.com>
11 - Palmer Dabbelt <palmer@sifive.com>
14 This document uses some terminology common to the RISC-V community
18 mandated by the RISC-V ISA: a PC and some registers. This
28 - items:
29 - enum:
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| /kernel/linux/linux-6.6/arch/arc/mm/ |
| D | tlb.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * TLB Management (flush/create/diagnostics) for MMUv3 and MMUv4
5 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
22 unsigned int ver, pg_sz_k, s_pg_sz_m, pae, sets, ways; member
26 * Utility Routine to erase a J-TLB entry
63 /* Locate the TLB entry for this vaddr + ASID */ in tlb_entry_erase()
82 * This also sets up PD0 (vaddr, ASID..) for final commit in tlb_entry_insert()
89 * with existing location. This will cause Write CMD to over-write in tlb_entry_insert()
95 /* setup the other half of TLB entry (pfn, rwx..) */ in tlb_entry_insert()
101 * which doesn't flush uTLBs. I'd rather be safe than sorry. in tlb_entry_insert()
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/riscv/ |
| D | cpus.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR MIT)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RISC-V CPUs
10 - Paul Walmsley <paul.walmsley@sifive.com>
11 - Palmer Dabbelt <palmer@sifive.com>
12 - Conor Dooley <conor@kernel.org>
15 This document uses some terminology common to the RISC-V community
19 mandated by the RISC-V ISA: a PC and some registers. This
27 - $ref: /schemas/cpu.yaml#
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| /kernel/linux/linux-6.6/arch/powerpc/kernel/ |
| D | setup_64.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
37 #include <asm/asm-prototypes.h>
63 #include <asm/code-patching.h>
68 #include <asm/feature-fixups.h>
101 * If we boot via kdump on a non-primary thread, in setup_tlb_core_data()
103 * set up this TLB. in setup_tlb_core_data()
108 paca_ptrs[cpu]->tcd_ptr = &paca_ptrs[first]->tcd; in setup_tlb_core_data()
112 * or e6500 tablewalk mode, or else TLB handlers in setup_tlb_core_data()
127 /* Look for ibm,smt-enabled OF option */
154 smt_option = of_get_property(dn, "ibm,smt-enabled", in check_smt_enabled()
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| /kernel/linux/linux-6.6/arch/parisc/include/asm/ |
| D | ropes.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <asm/parisc-device.h>
8 /* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */
21 ** allocated and free'd/purged at a time might make this
33 unsigned long ibase; /* pdir IOV Space base - shared w/lba_pci */
34 unsigned long imask; /* pdir IOV Space mask - shared w/lba_pci */
38 unsigned long *res_hint; /* next avail IOVP - circular search */
85 unsigned int num_ioc; /* number of on-board IOC's */
98 static inline int IS_ASTRO(struct parisc_device *d) { in IS_ASTRO() argument
99 return d->id.hversion == ASTRO_RUNWAY_PORT; in IS_ASTRO()
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| /kernel/linux/linux-5.10/arch/parisc/include/asm/ |
| D | ropes.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <asm/parisc-device.h>
8 /* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */
21 ** allocated and free'd/purged at a time might make this
33 unsigned long ibase; /* pdir IOV Space base - shared w/lba_pci */
34 unsigned long imask; /* pdir IOV Space mask - shared w/lba_pci */
38 unsigned long *res_hint; /* next avail IOVP - circular search */
85 unsigned int num_ioc; /* number of on-board IOC's */
98 static inline int IS_ASTRO(struct parisc_device *d) { in IS_ASTRO() argument
99 return d->id.hversion == ASTRO_RUNWAY_PORT; in IS_ASTRO()
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| /kernel/linux/linux-5.10/arch/powerpc/kernel/ |
| D | setup_64.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
61 #include <asm/code-patching.h>
66 #include <asm/feature-fixups.h>
99 * If we boot via kdump on a non-primary thread, in setup_tlb_core_data()
101 * set up this TLB. in setup_tlb_core_data()
106 paca_ptrs[cpu]->tcd_ptr = &paca_ptrs[first]->tcd; in setup_tlb_core_data()
110 * or e6500 tablewalk mode, or else TLB handlers in setup_tlb_core_data()
126 /* Look for ibm,smt-enabled OF option */
153 smt_option = of_get_property(dn, "ibm,smt-enabled", in check_smt_enabled()
168 /* Look for smt-enabled= cmdline option */
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| /kernel/linux/linux-6.6/include/asm-generic/ |
| D | tlb.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* include/asm-generic/tlb.h
4 * Generic TLB shootdown code
32 * Generic MMU-gather implementation.
35 * correct and efficient ordering of freeing pages and TLB invalidations.
40 * 2) TLB invalidate page
49 * - tlb_gather_mmu() / tlb_gather_mmu_fullmm() / tlb_finish_mmu()
53 * Finish in particular will issue a (final) TLB invalidate and free
56 * - tlb_start_vma() / tlb_end_vma(); marks the start / end of a VMA
61 * - tlb_remove_table()
[all …]
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| /kernel/linux/linux-5.10/arch/mips/kvm/ |
| D | tlb.c | 6 * KVM/MIPS TLB handling, this file is part of the Linux host kernel so that
7 * TLB handlers run from KSEG0
26 #include <asm/tlb.h>
46 struct mm_struct *gpa_mm = &vcpu->kvm->arch.gpa_mm; in kvm_mips_get_root_asid()
57 struct mm_struct *kern_mm = &vcpu->arch.guest_kernel_mm; in kvm_mips_get_kernel_asid()
65 struct mm_struct *user_mm = &vcpu->arch.guest_user_mm; in kvm_mips_get_user_asid()
71 /* Structure defining an tlb entry data set. */
90 struct mips_coproc *cop0 = vcpu->arch.cop0; in kvm_mips_dump_guest_tlbs()
91 struct kvm_mips_tlb tlb; in kvm_mips_dump_guest_tlbs() local
98 tlb = vcpu->arch.guest_tlb[i]; in kvm_mips_dump_guest_tlbs()
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| /kernel/linux/linux-5.10/arch/openrisc/mm/ |
| D | tlb.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * OpenRISC tlb.c
11 * Copyright (C) 2010-2011 Julius Baxter <julius.baxter@orsoc.se>
12 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
29 #define NO_CONTEXT -1
35 #define DTLB_OFFSET(addr) (((addr) >> PAGE_SHIFT) & (NUM_DTLB_SETS-1))
36 #define ITLB_OFFSET(addr) (((addr) >> PAGE_SHIFT) & (NUM_ITLB_SETS-1))
38 * Invalidate all TLB entries.
51 /* Determine number of sets for IMMU. */ in local_flush_tlb_all()
52 /* FIXME: Assumption is I & D nsets equal. */ in local_flush_tlb_all()
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| /kernel/linux/linux-6.6/arch/mips/mm/ |
| D | c-octeon.c | 6 * Copyright (C) 2005-2007 Cavium Networks
20 #include <asm/cpu-features.h>
21 #include <asm/cpu-type.h>
33 * Octeon automatically flushes the dcache on tlb changes, so
49 * Flush local I-cache for the specified range.
58 * octeon_flush_icache_all_cores - Flush caches as necessary for all cores
82 mask = *mm_cpumask(vma->vm_mm); in octeon_flush_icache_all_cores()
109 * octeon_flush_cache_mm - flush all memory associated with a memory context.
133 * octeon_flush_cache_range - Flush a range out of a vma
142 if (vma->vm_flags & VM_EXEC) in octeon_flush_cache_range()
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| /kernel/linux/linux-5.10/arch/mips/mm/ |
| D | c-octeon.c | 6 * Copyright (C) 2005-2007 Cavium Networks
20 #include <asm/cpu-features.h>
21 #include <asm/cpu-type.h>
34 * Octeon automatically flushes the dcache on tlb changes, so
50 * Flush local I-cache for the specified range.
83 mask = *mm_cpumask(vma->vm_mm); in octeon_flush_icache_all_cores()
139 if (vma->vm_flags & VM_EXEC) in octeon_flush_cache_range()
154 if (vma->vm_flags & VM_EXEC) in octeon_flush_cache_page()
179 c->icache.linesz = 2 << ((config1 >> 19) & 7); in probe_octeon()
180 c->icache.sets = 64 << ((config1 >> 22) & 7); in probe_octeon()
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| /kernel/linux/linux-6.6/Documentation/arch/x86/ |
| D | pti.rst | 1 .. SPDX-License-Identifier: GPL-2.0
27 This approach helps to ensure that side-channel attacks leveraging
30 Once enabled at compile-time, it can be disabled at boot with the
31 'nopti' or 'pti=' kernel parameters (see kernel-parameters.txt).
36 When PTI is enabled, the kernel manages two sets of page tables.
43 that any missed kernel->user CR3 switch will immediately crash
49 each CPU's copy of the area a compile-time-fixed virtual address.
65 Protection against side-channel attacks is important. But,
70 a. Each process now needs an order-1 PGD instead of order-0.
86 non-PTI SYSCALL entry code, so requires mapping fewer
[all …]
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| /kernel/linux/linux-5.10/Documentation/x86/ |
| D | pti.rst | 1 .. SPDX-License-Identifier: GPL-2.0
27 This approach helps to ensure that side-channel attacks leveraging
30 Once enabled at compile-time, it can be disabled at boot with the
31 'nopti' or 'pti=' kernel parameters (see kernel-parameters.txt).
36 When PTI is enabled, the kernel manages two sets of page tables.
43 that any missed kernel->user CR3 switch will immediately crash
49 each CPU's copy of the area a compile-time-fixed virtual address.
65 Protection against side-channel attacks is important. But,
70 a. Each process now needs an order-1 PGD instead of order-0.
86 non-PTI SYSCALL entry code, so requires mapping fewer
[all …]
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| /kernel/linux/linux-6.6/arch/openrisc/mm/ |
| D | tlb.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * OpenRISC tlb.c
11 * Copyright (C) 2010-2011 Julius Baxter <julius.baxter@orsoc.se>
12 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
29 #define NO_CONTEXT -1
35 #define DTLB_OFFSET(addr) (((addr) >> PAGE_SHIFT) & (NUM_DTLB_SETS-1))
36 #define ITLB_OFFSET(addr) (((addr) >> PAGE_SHIFT) & (NUM_ITLB_SETS-1))
38 * Invalidate all TLB entries.
51 /* Determine number of sets for IMMU. */ in local_flush_tlb_all()
52 /* FIXME: Assumption is I & D nsets equal. */ in local_flush_tlb_all()
[all …]
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| /kernel/linux/linux-6.6/arch/mips/kvm/ |
| D | tlb.c | 6 * KVM/MIPS TLB handling, this file is part of the Linux host kernel so that
7 * TLB handlers run from KSEG0
26 #include <asm/tlb.h>
42 struct mm_struct *gpa_mm = &vcpu->kvm->arch.gpa_mm; in kvm_mips_get_root_asid()
79 * clear_root_gid() - Set GuestCtl1.RID for normal root operation.
90 * set_root_gid_to_guest_gid() - Set GuestCtl1.RID to match GuestCtl1.ID.
92 * Sets the root GuestID to match the current guest GuestID, for TLB operation
93 * on the GPA->RPA mappings in the root TLB.
96 * possibly longer if TLB registers are modified.
121 /* Set root GuestID for root probe and write of guest TLB entry */ in kvm_vz_host_tlb_inv()
[all …]
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| /kernel/linux/linux-5.10/include/asm-generic/ |
| D | tlb.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* include/asm-generic/tlb.h
4 * Generic TLB shootdown code
32 * Generic MMU-gather implementation.
35 * correct and efficient ordering of freeing pages and TLB invalidations.
40 * 2) TLB invalidate page
49 * - tlb_gather_mmu() / tlb_finish_mmu(); start and finish a mmu_gather
51 * Finish in particular will issue a (final) TLB invalidate and free
54 * - tlb_start_vma() / tlb_end_vma(); marks the start / end of a VMA
59 * - tlb_remove_table()
[all …]
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