/linux/arch/arm64/include/asm/stacktrace/ |
H A D | nvhe.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */ 7 * 1) Non-protected nVHE mode - the host can directly access the 12 * 2) pKVM (protected nVHE) mode - the host cannot directly access 24 * kvm_nvhe_unwind_init() - Start an unwind from the given nVHE HYP fp and pc 28 * @pc : program counter at which to start the unwinding. 32 unsigned long pc) in kvm_nvhe_unwind_init() argument 36 state->fp = fp; in kvm_nvhe_unwind_init() 37 state->pc = pc; in kvm_nvhe_unwind_init() 42 * Conventional (non-protected) nVHE HYP stack unwinder 44 * In non-protected mode, the unwinding is done from kernel proper context
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/linux/arch/arm64/kvm/hyp/nvhe/ |
H A D | stacktrace.c | 1 // SPDX-License-Identifier: GPL-2.0-only 18 * hyp_prepare_backtrace - Prepare non-protected nVHE backtrace. 21 * @pc : program counter at which to start the unwinding. 23 * Save the information needed by the host to unwind the non-protected 26 static void hyp_prepare_backtrace(unsigned long fp, unsigned long pc) in hyp_prepare_backtrace() argument 31 stacktrace_info->stack_base = (unsigned long)(params->stack_hyp_va - NVHE_STACK_SIZE); in hyp_prepare_backtrace() 32 stacktrace_info->overflow_stack_base = (unsigned long)this_cpu_ptr(overflow_stack); in hyp_prepare_backtrace() 33 stacktrace_info->fp = fp; in hyp_prepare_backtrace() 34 stacktrace_info->pc = pc; in hyp_prepare_backtrace() 56 unsigned long high = params->stack_hyp_va; in stackinfo_get_hyp() [all …]
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/linux/Documentation/admin-guide/ |
H A D | rtc.rst | 8 the local time zone or daylight savings time -- unless they dual boot 9 with MS-Windows -- but will instead be set to Coordinated Universal Time 12 The newest non-PC hardware tends to just count seconds, like the time(2) 16 Linux has two largely-compatible userspace RTC API families you may 19 * /dev/rtc ... is the RTC provided by PC compatible systems, 20 so it's not very portable to non-x86 systems. 25 Programmers need to understand that the PC/AT functionality is not 30 IRQ, so they can't all issue alarms; and where standard PC RTCs can 35 Old PC/AT-Compatible driver: /dev/rtc 36 -------------------------------------- [all …]
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/linux/arch/arm/boot/dts/allwinner/ |
H A D | sun8i-h3-orangepi-pc-plus.dts | 4 * This file is dual-licensed: you can use it either under the terms 43 /* The Orange Pi PC Plus is an extended version of the regular PC */ 44 #include "sun8i-h3-orangepi-pc.dts" 47 model = "Xunlong Orange Pi PC Plus"; 48 compatible = "xunlong,orangepi-pc-plus", "allwinner,sun8i-h3"; 51 /* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */ 57 vmmc-supply = <®_vcc3v3>; 58 bus-width = <4>; 59 non-removable; 64 * alias for it (which e.g. makes u-boot set a mac-address). [all …]
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/linux/arch/arm64/include/asm/ |
H A D | preempt.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 13 return READ_ONCE(current_thread_info()->preempt.count); in preempt_count() 16 static inline void preempt_count_set(u64 pc) in preempt_count_set() argument 19 WRITE_ONCE(current_thread_info()->preempt.count, pc); in preempt_count_set() 23 task_thread_info(p)->preempt_count = FORK_PREEMPT_COUNT; \ 27 task_thread_info(p)->preempt_count = PREEMPT_DISABLED; \ 32 current_thread_info()->preempt.need_resched = 0; in set_preempt_need_resched() 37 current_thread_info()->preempt.need_resched = 1; in clear_preempt_need_resched() 42 return !current_thread_info()->preempt.need_resched; in test_preempt_need_resched() 47 u32 pc = READ_ONCE(current_thread_info()->preempt.count); in __preempt_count_add() local [all …]
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/linux/arch/m68k/q40/ |
H A D | README | 6 available from this place or http://ftp.uni-erlangen.de/pub/unix/Linux/680x0/q40/ 13 is not implemented - do not try it! (See below) 15 For a list of kernel command-line options read the documentation for the 22 poll the floppy for this reason - something that can't be done in Linux. 27 drivers/char/q40_keyb.c # use PC keymaps for national keyboards 28 serial.c # normal PC driver - any speed 33 block/floppy.c # normal PC driver, DMA emu in asm/floppy.h 43 Various other PC drivers can be enabled simply by adding them to 56 requested - SRAM must start with '%LX$' signature to do this. '-d' option 61 only the penguin - and shell prompt if it gets that far.. [all …]
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/linux/arch/sh/kernel/ |
H A D | traps_32.c | 1 // SPDX-License-Identifier: GPL-2.0 9 * Copyright (C) 2002 - 2010 Paul Mundt 99 * - note that PC _may not_ point to the faulting instruction 101 * - return 0 if emulation okay, -EFAULT on existential error 112 rn = ®s->regs[index]; in handle_unaligned_ins() 115 rm = ®s->regs[index]; in handle_unaligned_ins() 126 ret = -EFAULT; in handle_unaligned_ins() 132 srcu += regs->regs[0]; in handle_unaligned_ins() 137 dst += 4-count; in handle_unaligned_ins() 139 if (ma->from(dst, srcu, count)) in handle_unaligned_ins() [all …]
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H A D | traps.c | 1 // SPDX-License-Identifier: GPL-2.0 39 printk("Process: %s (pid: %d, stack limit = %p)\n", current->comm, in die() 43 dump_mem("Stack: ", KERN_DEFAULT, regs->regs[15], in die() 73 * - userspace errors just cause EFAULT to be returned, resulting in SEGV 74 * - kernel/userspace interfaces cause a jump to an appropriate handler 75 * - other kernel errors are bad 81 fixup = search_exception_tables(regs->pc); in die_if_no_fixup() 83 regs->pc = fixup->fixup; in die_if_no_fixup() 95 unsigned long bugaddr = regs->pc; in handle_BUG() 104 if (bug->flags & BUGFLAG_UNWINDER) in handle_BUG() [all …]
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/linux/tools/perf/util/ |
H A D | dwarf-aux.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 5 * dwarf-aux.h : libdw auxiliary interfaces 32 /* Get the lowest PC in DIE (including range list) */ 47 /* Get callsite line number of inline-function instance */ 83 /* Search a non-inlined function including given address */ 87 /* Search a non-inlined function with tail call at given address */ 99 /* Search a non-inlined function by name and returns its return type */ 142 int die_get_scopes(Dwarf_Die *cu_die, Dwarf_Addr pc, Dwarf_Die **scopes); 163 Dwarf_Die *die_find_variable_by_reg(Dwarf_Die *sc_die, Dwarf_Addr pc, int reg, 178 int die_get_cfa(Dwarf *dwarf, u64 pc, int *preg, int *poffset);
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/linux/arch/arm/boot/compressed/ |
H A D | head.S | 1 /* SPDX-License-Identifier: GPL-2.0-only */ 5 * Copyright (C) 1996-2002 Russell King 12 #include "efi-header.S" 20 AR_CLASS( .arch armv7-a ) 21 M_CLASS( .arch armv7-m ) 101 kputc #'-' 105 kputc #'-' 110 kputc #'-' 154 * in little-endian form. 209 AR_CLASS( sub pc, pc, #3 ) @ A/R: switch to Thumb2 mode [all …]
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/linux/fs/udf/ |
H A D | symlink.c | 1 // SPDX-License-Identifier: GPL-2.0-only 6 * Symlink handling routines for the OSTA-UDF(tm) filesystem. 9 * (C) 1998-2001 Ben Fennema 31 struct pathComponent *pc; in udf_pc_to_char() local 37 tolen--; in udf_pc_to_char() 39 pc = (struct pathComponent *)(from + elen); in udf_pc_to_char() 41 switch (pc->componentType) { in udf_pc_to_char() 47 if (pc->lengthComponentIdent > 0) { in udf_pc_to_char() 48 elen += pc->lengthComponentIdent; in udf_pc_to_char() 54 return -ENAMETOOLONG; in udf_pc_to_char() [all …]
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/linux/include/uapi/linux/ |
H A D | perf_event.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 5 * Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de> 6 * Copyright (C) 2008-2011, Red Hat, Inc., Ingo Molnar 7 * Copyright (C) 2008-2011, Red Hat, Inc., Peter Zijlstra 13 * For licencing details see kernel-base/COPYING 23 * User-space ABI bits: 37 PERF_TYPE_MAX, /* non-ABI */ 78 PERF_COUNT_HW_MAX, /* non-ABI */ 84 * { L1-D, L1-I, LLC, ITLB, DTLB, BPU, NODE } x 97 PERF_COUNT_HW_CACHE_MAX, /* non-ABI */ [all …]
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/linux/tools/include/uapi/linux/ |
H A D | perf_event.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 5 * Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de> 6 * Copyright (C) 2008-2011, Red Hat, Inc., Ingo Molnar 7 * Copyright (C) 2008-2011, Red Hat, Inc., Peter Zijlstra 13 * For licencing details see kernel-base/COPYING 23 * User-space ABI bits: 37 PERF_TYPE_MAX, /* non-ABI */ 78 PERF_COUNT_HW_MAX, /* non-ABI */ 84 * { L1-D, L1-I, LLC, ITLB, DTLB, BPU, NODE } x 97 PERF_COUNT_HW_CACHE_MAX, /* non-ABI */ [all …]
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/linux/arch/m68k/ifpsp060/src/ |
H A D | ftest.S | 3 M68000 Hi-Performance Microprocessor Division 5 Production Release P1.00 -- October 10, 1994 30 set SREGS, -64 31 set IREGS, -128 32 set IFPREGS, -224 33 set SFPREGS, -320 34 set IFPCREGS, -332 35 set SFPCREGS, -344 36 set ICCR, -346 37 set SCCR, -348 [all …]
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/linux/arch/arm64/boot/dts/rockchip/ |
H A D | rk3399-roc-pc-mezzanine.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 * Copyright (c) 2017 T-Chip Intelligent Technology Co., Ltd 7 /dts-v1/; 8 #include "rk3399-roc-pc.dtsi" 11 model = "Firefly ROC-RK3399-PC Mezzanine Board"; 12 compatible = "firefly,roc-rk3399-pc-mezzanine", "rockchip,rk3399"; 19 poe_12v: regulator-poe-12v { 20 compatible = "regulator-fixed"; 21 regulator-name = "poe_12v"; 22 regulator-always-on; [all …]
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/linux/arch/m68k/ifpsp060/ |
H A D | CHANGES | 3 M68000 Hi-Performance Microprocessor Division 5 Production Release P1.00 -- October 10, 1994 31 --------------------------- 42 mode was pre-decrement or post-increment and the address register 49 --------- 56 ------- 66 ---- 70 ------ 71 Upon receiving a non-zero (failing) return value from 72 a {i,d}mem_{read,write}_{byte,word,long}() "call-out", [all …]
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/linux/arch/arm/kernel/ |
H A D | entry-armv.S | 1 /* SPDX-License-Identifier: GPL-2.0-only */ 3 * linux/arch/arm/kernel/entry-armv.S 6 * ARM700 fix by Matthew Godbolt (linux-user@willothewisp.demon.co.uk) 9 * Low-level vector interface routines 19 #include <asm/glue-df.h> 20 #include <asm/glue-pf.h> 27 #include <asm/uaccess-asm.h> 30 #include "entry-header.S" 81 @ Call the processor-specific abort handler: 83 @ r2 - pt_regs [all …]
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/linux/arch/sparc/kernel/ |
H A D | entry.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 15 void do_illegal_instruction(struct pt_regs *regs, unsigned long pc, 18 void do_priv_instruction(struct pt_regs *regs, unsigned long pc, 20 void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc, 22 void do_fpd_trap(struct pt_regs *regs, unsigned long pc, 24 void do_fpe_trap(struct pt_regs *regs, unsigned long pc, 26 void handle_tag_overflow(struct pt_regs *regs, unsigned long pc, 28 void handle_watchpoint(struct pt_regs *regs, unsigned long pc, 30 void handle_reg_access(struct pt_regs *regs, unsigned long pc, 32 void handle_cp_disabled(struct pt_regs *regs, unsigned long pc, [all …]
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H A D | sun4v_ivec.S | 1 /* SPDX-License-Identifier: GPL-2.0 */ 48 /* Now get the cross-call arguments and handler PC, same 51 * 1st 64-bit word: low half is 32-bit PC, put into %g3 and jmpl to it 53 * 2nd 64-bit word: 64-bit arg, load into %g1 54 * 3rd 64-bit word: 64-bit arg, load into %g7 63 add %g2, 0x40 - 0x8 - 0x8, %g2 100 /* XXX There can be a full 64-byte block of data here. 103 * XXX need to add a 64-byte storage area in the struct ino_bucket 157 /* If the first word is non-zero, queue is full. */ 167 /* Copy 64-byte queue entry into kernel buffer. */ [all …]
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/linux/Documentation/security/tpm/ |
H A D | tpm_ffa_crb.rst | 1 .. SPDX-License-Identifier: GPL-2.0 4 TPM CRB over FF-A Driver 8 defined in the TCG PC Client Platform TPM Profile (PTP) Specification [1]_. 13 - hardware registers in a discrete TPM chip 15 - in memory for a TPM running in isolated environment where shared memory 18 The Firmware Framework for Arm A-profile (FF-A) [2]_ is a specification 21 - Compartmentalize firmware into software partitions that run in the Arm 24 - Provide a standard interface for software components in the Non-secure 27 A TPM can be implemented as an FF-A secure service. This could be a firmware 29 TPM chip. An FF-A based TPM abstracts hardware details (e.g. bus controller [all …]
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/linux/include/linux/ |
H A D | posix-clock.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 3 * posix-clock.h - support for dynamic clock devices 13 #include <linux/posix-timers.h> 20 * struct posix_clock_operations - functional interface to the clock 42 int (*clock_adjtime)(struct posix_clock *pc, struct __kernel_timex *tx); 44 int (*clock_gettime)(struct posix_clock *pc, struct timespec64 *ts); 46 int (*clock_getres) (struct posix_clock *pc, struct timespec64 *ts); 48 int (*clock_settime)(struct posix_clock *pc, 69 * struct posix_clock - represents a dynamic posix clock 95 * struct posix_clock_context - represents clock file operations context [all …]
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/linux/arch/m68k/fpsp040/ |
H A D | x_fline.S | 4 | fpsp_fline --- FPSP handler for fline exception 8 | Next, determine if the instruction is an fmovecr with a non-zero 10 | must be a real F-line exception. 34 | check for unimplemented vector first. Use EXC_VEC-4 because 38 cmpw #UNIMP_VEC,EXC_VEC-4(%a7) 42 | fmovecr with non-zero <ea> handling here 44 subl #4,%a7 |4 accounts for 2-word difference 47 link %a6,#-LOCAL_SIZE 48 fsave -(%a7) 49 moveml %d0-%d1/%a0-%a1,USER_DA(%a6) [all …]
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/linux/drivers/net/can/usb/peak_usb/ |
H A D | pcan_usb_fd.c | 1 // SPDX-License-Identifier: GPL-2.0-only 3 * CAN driver for PEAK System PCAN-USB FD / PCAN-USB Pro FD adapter 5 * Copyright (C) 2013-2014 Stephane Grosjean <s.grosjean@peak-system.com> 23 /* PCAN-USB Pro FD adapter internal clock (Hz) */ 29 /* PCAN-USB Pro FD command timeout (ms.) */ 32 /* PCAN-USB Pro FD rx/tx buffers size */ 77 /* Extended USB commands (non uCAN commands) */ 114 /* Extended usage of uCAN commands CMD_xxx_xx_OPTION for PCAN-USB Pro FD */ 125 /* Extended usage of uCAN messages for PCAN-USB Pro FD */ 139 #define PCAN_UFD_OVMSG_CHANNEL(o) ((o)->channel & 0xf) [all …]
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/linux/tools/testing/selftests/kvm/arm64/ |
H A D | debug-exceptions.c | 1 // SPDX-License-Identifier: GPL-2.0 38 #define PC(v) ((uint64_t)&(v)) macro 183 /* Setup a context-aware breakpoint for Linked Context ID Match */ in install_wp_ctx() 189 /* Setup a linked watchpoint (linked to the context-aware breakpoint) */ in install_wp_ctx() 204 /* Setup a context-aware breakpoint for Linked Context ID Match */ in install_hw_bp_ctx() 212 * to the context-aware breakpoint. in install_hw_bp_ctx() 241 /* Software-breakpoint */ in guest_code() 244 GUEST_ASSERT_EQ(sw_bp_addr, PC(sw_bp)); in guest_code() 246 /* Hardware-breakpoint */ in guest_code() 248 install_hw_bp(bpn, PC(hw_bp)); in guest_code() [all …]
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/linux/lib/ |
H A D | asn1_decoder.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later 66 if (unlikely(datalen - dp < 2)) { in asn1_find_indefinite_length() 78 if (--indef_level <= 0) { in asn1_find_indefinite_length() 79 *_len = dp - *_dp; in asn1_find_indefinite_length() 88 if (unlikely(datalen - dp < 2)) in asn1_find_indefinite_length() 107 n = len - 0x80; in asn1_find_indefinite_length() 108 if (unlikely(n > sizeof(len) - 1)) in asn1_find_indefinite_length() 110 if (unlikely(n > datalen - dp)) in asn1_find_indefinite_length() 113 for (; n > 0; n--) { in asn1_find_indefinite_length() 118 if (len > datalen - dp) in asn1_find_indefinite_length() [all …]
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