diff options
Diffstat (limited to '')
-rw-r--r-- | arch/arm/include/uapi/asm/Kbuild | 24 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/auxvec.h | 8 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/byteorder.h | 26 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/fcntl.h | 12 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/hwcap.h | 41 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/ioctls.h | 9 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/kvm.h | 299 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/kvm_para.h | 2 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/mman.h | 4 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/perf_regs.h | 24 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/posix_types.h | 38 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/ptrace.h | 163 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/setup.h | 188 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/sigcontext.h | 35 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/signal.h | 121 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/stat.h | 88 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/statfs.h | 13 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/swab.h | 54 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/types.h | 41 | ||||
-rw-r--r-- | arch/arm/include/uapi/asm/unistd.h | 41 |
20 files changed, 1231 insertions, 0 deletions
diff --git a/arch/arm/include/uapi/asm/Kbuild b/arch/arm/include/uapi/asm/Kbuild new file mode 100644 index 000000000..4d1cc1847 --- /dev/null +++ b/arch/arm/include/uapi/asm/Kbuild @@ -0,0 +1,24 @@ +# SPDX-License-Identifier: GPL-2.0 +# UAPI Header export list +include include/uapi/asm-generic/Kbuild.asm + +generated-y += unistd-common.h +generated-y += unistd-oabi.h +generated-y += unistd-eabi.h + +generic-y += bitsperlong.h +generic-y += bpf_perf_event.h +generic-y += errno.h +generic-y += ioctl.h +generic-y += ipcbuf.h +generic-y += msgbuf.h +generic-y += param.h +generic-y += poll.h +generic-y += resource.h +generic-y += sembuf.h +generic-y += shmbuf.h +generic-y += siginfo.h +generic-y += socket.h +generic-y += sockios.h +generic-y += termbits.h +generic-y += termios.h diff --git a/arch/arm/include/uapi/asm/auxvec.h b/arch/arm/include/uapi/asm/auxvec.h new file mode 100644 index 000000000..5c09da596 --- /dev/null +++ b/arch/arm/include/uapi/asm/auxvec.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __ASM_AUXVEC_H +#define __ASM_AUXVEC_H + +/* VDSO location */ +#define AT_SYSINFO_EHDR 33 + +#endif diff --git a/arch/arm/include/uapi/asm/byteorder.h b/arch/arm/include/uapi/asm/byteorder.h new file mode 100644 index 000000000..cb8406afe --- /dev/null +++ b/arch/arm/include/uapi/asm/byteorder.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * arch/arm/include/asm/byteorder.h + * + * ARM Endian-ness. In little endian mode, the data bus is connected such + * that byte accesses appear as: + * 0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31 + * and word accesses (data or instruction) appear as: + * d0...d31 + * + * When in big endian mode, byte accesses appear as: + * 0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7 + * and word accesses (data or instruction) appear as: + * d0...d31 + */ +#ifndef __ASM_ARM_BYTEORDER_H +#define __ASM_ARM_BYTEORDER_H + +#ifdef __ARMEB__ +#include <linux/byteorder/big_endian.h> +#else +#include <linux/byteorder/little_endian.h> +#endif + +#endif + diff --git a/arch/arm/include/uapi/asm/fcntl.h b/arch/arm/include/uapi/asm/fcntl.h new file mode 100644 index 000000000..e6b5d7141 --- /dev/null +++ b/arch/arm/include/uapi/asm/fcntl.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ARM_FCNTL_H +#define _ARM_FCNTL_H + +#define O_DIRECTORY 040000 /* must be a directory */ +#define O_NOFOLLOW 0100000 /* don't follow links */ +#define O_DIRECT 0200000 /* direct disk access hint - currently ignored */ +#define O_LARGEFILE 0400000 + +#include <asm-generic/fcntl.h> + +#endif diff --git a/arch/arm/include/uapi/asm/hwcap.h b/arch/arm/include/uapi/asm/hwcap.h new file mode 100644 index 000000000..b5971dfa4 --- /dev/null +++ b/arch/arm/include/uapi/asm/hwcap.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI__ASMARM_HWCAP_H +#define _UAPI__ASMARM_HWCAP_H + +/* + * HWCAP flags - for elf_hwcap (in kernel) and AT_HWCAP + */ +#define HWCAP_SWP (1 << 0) +#define HWCAP_HALF (1 << 1) +#define HWCAP_THUMB (1 << 2) +#define HWCAP_26BIT (1 << 3) /* Play it safe */ +#define HWCAP_FAST_MULT (1 << 4) +#define HWCAP_FPA (1 << 5) +#define HWCAP_VFP (1 << 6) +#define HWCAP_EDSP (1 << 7) +#define HWCAP_JAVA (1 << 8) +#define HWCAP_IWMMXT (1 << 9) +#define HWCAP_CRUNCH (1 << 10) +#define HWCAP_THUMBEE (1 << 11) +#define HWCAP_NEON (1 << 12) +#define HWCAP_VFPv3 (1 << 13) +#define HWCAP_VFPv3D16 (1 << 14) /* also set for VFPv4-D16 */ +#define HWCAP_TLS (1 << 15) +#define HWCAP_VFPv4 (1 << 16) +#define HWCAP_IDIVA (1 << 17) +#define HWCAP_IDIVT (1 << 18) +#define HWCAP_VFPD32 (1 << 19) /* set if VFP has 32 regs (not 16) */ +#define HWCAP_IDIV (HWCAP_IDIVA | HWCAP_IDIVT) +#define HWCAP_LPAE (1 << 20) +#define HWCAP_EVTSTRM (1 << 21) + +/* + * HWCAP2 flags - for elf_hwcap2 (in kernel) and AT_HWCAP2 + */ +#define HWCAP2_AES (1 << 0) +#define HWCAP2_PMULL (1 << 1) +#define HWCAP2_SHA1 (1 << 2) +#define HWCAP2_SHA2 (1 << 3) +#define HWCAP2_CRC32 (1 << 4) + +#endif /* _UAPI__ASMARM_HWCAP_H */ diff --git a/arch/arm/include/uapi/asm/ioctls.h b/arch/arm/include/uapi/asm/ioctls.h new file mode 100644 index 000000000..1bfe2854f --- /dev/null +++ b/arch/arm/include/uapi/asm/ioctls.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __ASM_ARM_IOCTLS_H +#define __ASM_ARM_IOCTLS_H + +#define FIOQSIZE 0x545E + +#include <asm-generic/ioctls.h> + +#endif diff --git a/arch/arm/include/uapi/asm/kvm.h b/arch/arm/include/uapi/asm/kvm.h new file mode 100644 index 000000000..4602464eb --- /dev/null +++ b/arch/arm/include/uapi/asm/kvm.h @@ -0,0 +1,299 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Copyright (C) 2012 - Virtual Open Systems and Columbia University + * Author: Christoffer Dall <c.dall@virtualopensystems.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __ARM_KVM_H__ +#define __ARM_KVM_H__ + +#include <linux/types.h> +#include <linux/psci.h> +#include <asm/ptrace.h> + +#define __KVM_HAVE_GUEST_DEBUG +#define __KVM_HAVE_IRQ_LINE +#define __KVM_HAVE_READONLY_MEM +#define __KVM_HAVE_VCPU_EVENTS + +#define KVM_COALESCED_MMIO_PAGE_OFFSET 1 + +#define KVM_REG_SIZE(id) \ + (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) + +/* Valid for svc_regs, abt_regs, und_regs, irq_regs in struct kvm_regs */ +#define KVM_ARM_SVC_sp svc_regs[0] +#define KVM_ARM_SVC_lr svc_regs[1] +#define KVM_ARM_SVC_spsr svc_regs[2] +#define KVM_ARM_ABT_sp abt_regs[0] +#define KVM_ARM_ABT_lr abt_regs[1] +#define KVM_ARM_ABT_spsr abt_regs[2] +#define KVM_ARM_UND_sp und_regs[0] +#define KVM_ARM_UND_lr und_regs[1] +#define KVM_ARM_UND_spsr und_regs[2] +#define KVM_ARM_IRQ_sp irq_regs[0] +#define KVM_ARM_IRQ_lr irq_regs[1] +#define KVM_ARM_IRQ_spsr irq_regs[2] + +/* Valid only for fiq_regs in struct kvm_regs */ +#define KVM_ARM_FIQ_r8 fiq_regs[0] +#define KVM_ARM_FIQ_r9 fiq_regs[1] +#define KVM_ARM_FIQ_r10 fiq_regs[2] +#define KVM_ARM_FIQ_fp fiq_regs[3] +#define KVM_ARM_FIQ_ip fiq_regs[4] +#define KVM_ARM_FIQ_sp fiq_regs[5] +#define KVM_ARM_FIQ_lr fiq_regs[6] +#define KVM_ARM_FIQ_spsr fiq_regs[7] + +struct kvm_regs { + struct pt_regs usr_regs; /* R0_usr - R14_usr, PC, CPSR */ + unsigned long svc_regs[3]; /* SP_svc, LR_svc, SPSR_svc */ + unsigned long abt_regs[3]; /* SP_abt, LR_abt, SPSR_abt */ + unsigned long und_regs[3]; /* SP_und, LR_und, SPSR_und */ + unsigned long irq_regs[3]; /* SP_irq, LR_irq, SPSR_irq */ + unsigned long fiq_regs[8]; /* R8_fiq - R14_fiq, SPSR_fiq */ +}; + +/* Supported Processor Types */ +#define KVM_ARM_TARGET_CORTEX_A15 0 +#define KVM_ARM_TARGET_CORTEX_A7 1 +#define KVM_ARM_NUM_TARGETS 2 + +/* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */ +#define KVM_ARM_DEVICE_TYPE_SHIFT 0 +#define KVM_ARM_DEVICE_TYPE_MASK (0xffff << KVM_ARM_DEVICE_TYPE_SHIFT) +#define KVM_ARM_DEVICE_ID_SHIFT 16 +#define KVM_ARM_DEVICE_ID_MASK (0xffff << KVM_ARM_DEVICE_ID_SHIFT) + +/* Supported device IDs */ +#define KVM_ARM_DEVICE_VGIC_V2 0 + +/* Supported VGIC address types */ +#define KVM_VGIC_V2_ADDR_TYPE_DIST 0 +#define KVM_VGIC_V2_ADDR_TYPE_CPU 1 + +#define KVM_VGIC_V2_DIST_SIZE 0x1000 +#define KVM_VGIC_V2_CPU_SIZE 0x2000 + +/* Supported VGICv3 address types */ +#define KVM_VGIC_V3_ADDR_TYPE_DIST 2 +#define KVM_VGIC_V3_ADDR_TYPE_REDIST 3 +#define KVM_VGIC_ITS_ADDR_TYPE 4 +#define KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION 5 + +#define KVM_VGIC_V3_DIST_SIZE SZ_64K +#define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K) +#define KVM_VGIC_V3_ITS_SIZE (2 * SZ_64K) + +#define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */ +#define KVM_ARM_VCPU_PSCI_0_2 1 /* CPU uses PSCI v0.2 */ + +struct kvm_vcpu_init { + __u32 target; + __u32 features[7]; +}; + +struct kvm_sregs { +}; + +struct kvm_fpu { +}; + +struct kvm_guest_debug_arch { +}; + +struct kvm_debug_exit_arch { +}; + +struct kvm_sync_regs { + /* Used with KVM_CAP_ARM_USER_IRQ */ + __u64 device_irq_level; +}; + +struct kvm_arch_memory_slot { +}; + +/* for KVM_GET/SET_VCPU_EVENTS */ +struct kvm_vcpu_events { + struct { + __u8 serror_pending; + __u8 serror_has_esr; + /* Align it to 8 bytes */ + __u8 pad[6]; + __u64 serror_esr; + } exception; + __u32 reserved[12]; +}; + +/* If you need to interpret the index values, here is the key: */ +#define KVM_REG_ARM_COPROC_MASK 0x000000000FFF0000 +#define KVM_REG_ARM_COPROC_SHIFT 16 +#define KVM_REG_ARM_32_OPC2_MASK 0x0000000000000007 +#define KVM_REG_ARM_32_OPC2_SHIFT 0 +#define KVM_REG_ARM_OPC1_MASK 0x0000000000000078 +#define KVM_REG_ARM_OPC1_SHIFT 3 +#define KVM_REG_ARM_CRM_MASK 0x0000000000000780 +#define KVM_REG_ARM_CRM_SHIFT 7 +#define KVM_REG_ARM_32_CRN_MASK 0x0000000000007800 +#define KVM_REG_ARM_32_CRN_SHIFT 11 +/* + * For KVM currently all guest registers are nonsecure, but we reserve a bit + * in the encoding to distinguish secure from nonsecure for AArch32 system + * registers that are banked by security. This is 1 for the secure banked + * register, and 0 for the nonsecure banked register or if the register is + * not banked by security. + */ +#define KVM_REG_ARM_SECURE_MASK 0x0000000010000000 +#define KVM_REG_ARM_SECURE_SHIFT 28 + +#define ARM_CP15_REG_SHIFT_MASK(x,n) \ + (((x) << KVM_REG_ARM_ ## n ## _SHIFT) & KVM_REG_ARM_ ## n ## _MASK) + +#define __ARM_CP15_REG(op1,crn,crm,op2) \ + (KVM_REG_ARM | (15 << KVM_REG_ARM_COPROC_SHIFT) | \ + ARM_CP15_REG_SHIFT_MASK(op1, OPC1) | \ + ARM_CP15_REG_SHIFT_MASK(crn, 32_CRN) | \ + ARM_CP15_REG_SHIFT_MASK(crm, CRM) | \ + ARM_CP15_REG_SHIFT_MASK(op2, 32_OPC2)) + +#define ARM_CP15_REG32(...) (__ARM_CP15_REG(__VA_ARGS__) | KVM_REG_SIZE_U32) + +#define __ARM_CP15_REG64(op1,crm) \ + (__ARM_CP15_REG(op1, 0, crm, 0) | KVM_REG_SIZE_U64) +#define ARM_CP15_REG64(...) __ARM_CP15_REG64(__VA_ARGS__) + +/* PL1 Physical Timer Registers */ +#define KVM_REG_ARM_PTIMER_CTL ARM_CP15_REG32(0, 14, 2, 1) +#define KVM_REG_ARM_PTIMER_CNT ARM_CP15_REG64(0, 14) +#define KVM_REG_ARM_PTIMER_CVAL ARM_CP15_REG64(2, 14) + +/* Virtual Timer Registers */ +#define KVM_REG_ARM_TIMER_CTL ARM_CP15_REG32(0, 14, 3, 1) +#define KVM_REG_ARM_TIMER_CNT ARM_CP15_REG64(1, 14) +#define KVM_REG_ARM_TIMER_CVAL ARM_CP15_REG64(3, 14) + +/* Normal registers are mapped as coprocessor 16. */ +#define KVM_REG_ARM_CORE (0x0010 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_CORE_REG(name) (offsetof(struct kvm_regs, name) / 4) + +/* Some registers need more space to represent values. */ +#define KVM_REG_ARM_DEMUX (0x0011 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_DEMUX_ID_MASK 0x000000000000FF00 +#define KVM_REG_ARM_DEMUX_ID_SHIFT 8 +#define KVM_REG_ARM_DEMUX_ID_CCSIDR (0x00 << KVM_REG_ARM_DEMUX_ID_SHIFT) +#define KVM_REG_ARM_DEMUX_VAL_MASK 0x00000000000000FF +#define KVM_REG_ARM_DEMUX_VAL_SHIFT 0 + +/* VFP registers: we could overload CP10 like ARM does, but that's ugly. */ +#define KVM_REG_ARM_VFP (0x0012 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_VFP_MASK 0x000000000000FFFF +#define KVM_REG_ARM_VFP_BASE_REG 0x0 +#define KVM_REG_ARM_VFP_FPSID 0x1000 +#define KVM_REG_ARM_VFP_FPSCR 0x1001 +#define KVM_REG_ARM_VFP_MVFR1 0x1006 +#define KVM_REG_ARM_VFP_MVFR0 0x1007 +#define KVM_REG_ARM_VFP_FPEXC 0x1008 +#define KVM_REG_ARM_VFP_FPINST 0x1009 +#define KVM_REG_ARM_VFP_FPINST2 0x100A + +/* KVM-as-firmware specific pseudo-registers */ +#define KVM_REG_ARM_FW (0x0014 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_FW_REG(r) (KVM_REG_ARM | KVM_REG_SIZE_U64 | \ + KVM_REG_ARM_FW | ((r) & 0xffff)) +#define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0) + +/* Device Control API: ARM VGIC */ +#define KVM_DEV_ARM_VGIC_GRP_ADDR 0 +#define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1 +#define KVM_DEV_ARM_VGIC_GRP_CPU_REGS 2 +#define KVM_DEV_ARM_VGIC_CPUID_SHIFT 32 +#define KVM_DEV_ARM_VGIC_CPUID_MASK (0xffULL << KVM_DEV_ARM_VGIC_CPUID_SHIFT) +#define KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT 32 +#define KVM_DEV_ARM_VGIC_V3_MPIDR_MASK \ + (0xffffffffULL << KVM_DEV_ARM_VGIC_V3_MPIDR_SHIFT) +#define KVM_DEV_ARM_VGIC_OFFSET_SHIFT 0 +#define KVM_DEV_ARM_VGIC_OFFSET_MASK (0xffffffffULL << KVM_DEV_ARM_VGIC_OFFSET_SHIFT) +#define KVM_DEV_ARM_VGIC_SYSREG_INSTR_MASK (0xffff) +#define KVM_DEV_ARM_VGIC_GRP_NR_IRQS 3 +#define KVM_DEV_ARM_VGIC_GRP_CTRL 4 +#define KVM_DEV_ARM_VGIC_GRP_REDIST_REGS 5 +#define KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS 6 +#define KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO 7 +#define KVM_DEV_ARM_VGIC_GRP_ITS_REGS 8 +#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT 10 +#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_MASK \ + (0x3fffffULL << KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT) +#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INTID_MASK 0x3ff +#define VGIC_LEVEL_INFO_LINE_LEVEL 0 + +/* Device Control API on vcpu fd */ +#define KVM_ARM_VCPU_PMU_V3_CTRL 0 +#define KVM_ARM_VCPU_PMU_V3_IRQ 0 +#define KVM_ARM_VCPU_PMU_V3_INIT 1 +#define KVM_ARM_VCPU_TIMER_CTRL 1 +#define KVM_ARM_VCPU_TIMER_IRQ_VTIMER 0 +#define KVM_ARM_VCPU_TIMER_IRQ_PTIMER 1 + +#define KVM_DEV_ARM_VGIC_CTRL_INIT 0 +#define KVM_DEV_ARM_ITS_SAVE_TABLES 1 +#define KVM_DEV_ARM_ITS_RESTORE_TABLES 2 +#define KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES 3 +#define KVM_DEV_ARM_ITS_CTRL_RESET 4 + +/* KVM_IRQ_LINE irq field index values */ +#define KVM_ARM_IRQ_TYPE_SHIFT 24 +#define KVM_ARM_IRQ_TYPE_MASK 0xff +#define KVM_ARM_IRQ_VCPU_SHIFT 16 +#define KVM_ARM_IRQ_VCPU_MASK 0xff +#define KVM_ARM_IRQ_NUM_SHIFT 0 +#define KVM_ARM_IRQ_NUM_MASK 0xffff + +/* irq_type field */ +#define KVM_ARM_IRQ_TYPE_CPU 0 +#define KVM_ARM_IRQ_TYPE_SPI 1 +#define KVM_ARM_IRQ_TYPE_PPI 2 + +/* out-of-kernel GIC cpu interrupt injection irq_number field */ +#define KVM_ARM_IRQ_CPU_IRQ 0 +#define KVM_ARM_IRQ_CPU_FIQ 1 + +/* + * This used to hold the highest supported SPI, but it is now obsolete + * and only here to provide source code level compatibility with older + * userland. The highest SPI number can be set via KVM_DEV_ARM_VGIC_GRP_NR_IRQS. + */ +#ifndef __KERNEL__ +#define KVM_ARM_IRQ_GIC_MAX 127 +#endif + +/* One single KVM irqchip, ie. the VGIC */ +#define KVM_NR_IRQCHIPS 1 + +/* PSCI interface */ +#define KVM_PSCI_FN_BASE 0x95c1ba5e +#define KVM_PSCI_FN(n) (KVM_PSCI_FN_BASE + (n)) + +#define KVM_PSCI_FN_CPU_SUSPEND KVM_PSCI_FN(0) +#define KVM_PSCI_FN_CPU_OFF KVM_PSCI_FN(1) +#define KVM_PSCI_FN_CPU_ON KVM_PSCI_FN(2) +#define KVM_PSCI_FN_MIGRATE KVM_PSCI_FN(3) + +#define KVM_PSCI_RET_SUCCESS PSCI_RET_SUCCESS +#define KVM_PSCI_RET_NI PSCI_RET_NOT_SUPPORTED +#define KVM_PSCI_RET_INVAL PSCI_RET_INVALID_PARAMS +#define KVM_PSCI_RET_DENIED PSCI_RET_DENIED + +#endif /* __ARM_KVM_H__ */ diff --git a/arch/arm/include/uapi/asm/kvm_para.h b/arch/arm/include/uapi/asm/kvm_para.h new file mode 100644 index 000000000..baacc4996 --- /dev/null +++ b/arch/arm/include/uapi/asm/kvm_para.h @@ -0,0 +1,2 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#include <asm-generic/kvm_para.h> diff --git a/arch/arm/include/uapi/asm/mman.h b/arch/arm/include/uapi/asm/mman.h new file mode 100644 index 000000000..41f99c573 --- /dev/null +++ b/arch/arm/include/uapi/asm/mman.h @@ -0,0 +1,4 @@ +#include <asm-generic/mman.h> + +#define arch_mmap_check(addr, len, flags) \ + (((flags) & MAP_FIXED && (addr) < FIRST_USER_ADDRESS) ? -EINVAL : 0) diff --git a/arch/arm/include/uapi/asm/perf_regs.h b/arch/arm/include/uapi/asm/perf_regs.h new file mode 100644 index 000000000..a3c046174 --- /dev/null +++ b/arch/arm/include/uapi/asm/perf_regs.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_ARM_PERF_REGS_H +#define _ASM_ARM_PERF_REGS_H + +enum perf_event_arm_regs { + PERF_REG_ARM_R0, + PERF_REG_ARM_R1, + PERF_REG_ARM_R2, + PERF_REG_ARM_R3, + PERF_REG_ARM_R4, + PERF_REG_ARM_R5, + PERF_REG_ARM_R6, + PERF_REG_ARM_R7, + PERF_REG_ARM_R8, + PERF_REG_ARM_R9, + PERF_REG_ARM_R10, + PERF_REG_ARM_FP, + PERF_REG_ARM_IP, + PERF_REG_ARM_SP, + PERF_REG_ARM_LR, + PERF_REG_ARM_PC, + PERF_REG_ARM_MAX, +}; +#endif /* _ASM_ARM_PERF_REGS_H */ diff --git a/arch/arm/include/uapi/asm/posix_types.h b/arch/arm/include/uapi/asm/posix_types.h new file mode 100644 index 000000000..6bf11ad5d --- /dev/null +++ b/arch/arm/include/uapi/asm/posix_types.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * arch/arm/include/asm/posix_types.h + * + * Copyright (C) 1996-1998 Russell King. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Changelog: + * 27-06-1996 RMK Created + */ +#ifndef __ARCH_ARM_POSIX_TYPES_H +#define __ARCH_ARM_POSIX_TYPES_H + +/* + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. Also, we cannot + * assume GCC is being used. + */ + +typedef unsigned short __kernel_mode_t; +#define __kernel_mode_t __kernel_mode_t + +typedef unsigned short __kernel_ipc_pid_t; +#define __kernel_ipc_pid_t __kernel_ipc_pid_t + +typedef unsigned short __kernel_uid_t; +typedef unsigned short __kernel_gid_t; +#define __kernel_uid_t __kernel_uid_t + +typedef unsigned short __kernel_old_dev_t; +#define __kernel_old_dev_t __kernel_old_dev_t + +#include <asm-generic/posix_types.h> + +#endif diff --git a/arch/arm/include/uapi/asm/ptrace.h b/arch/arm/include/uapi/asm/ptrace.h new file mode 100644 index 000000000..e61c65b40 --- /dev/null +++ b/arch/arm/include/uapi/asm/ptrace.h @@ -0,0 +1,163 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * arch/arm/include/asm/ptrace.h + * + * Copyright (C) 1996-2003 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef _UAPI__ASM_ARM_PTRACE_H +#define _UAPI__ASM_ARM_PTRACE_H + +#include <asm/hwcap.h> + +#define PTRACE_GETREGS 12 +#define PTRACE_SETREGS 13 +#define PTRACE_GETFPREGS 14 +#define PTRACE_SETFPREGS 15 +/* PTRACE_ATTACH is 16 */ +/* PTRACE_DETACH is 17 */ +#define PTRACE_GETWMMXREGS 18 +#define PTRACE_SETWMMXREGS 19 +/* 20 is unused */ +#define PTRACE_OLDSETOPTIONS 21 +#define PTRACE_GET_THREAD_AREA 22 +#define PTRACE_SET_SYSCALL 23 +/* PTRACE_SYSCALL is 24 */ +#define PTRACE_GETCRUNCHREGS 25 +#define PTRACE_SETCRUNCHREGS 26 +#define PTRACE_GETVFPREGS 27 +#define PTRACE_SETVFPREGS 28 +#define PTRACE_GETHBPREGS 29 +#define PTRACE_SETHBPREGS 30 +#define PTRACE_GETFDPIC 31 + +#define PTRACE_GETFDPIC_EXEC 0 +#define PTRACE_GETFDPIC_INTERP 1 + +/* + * PSR bits + * Note on V7M there is no mode contained in the PSR + */ +#define USR26_MODE 0x00000000 +#define FIQ26_MODE 0x00000001 +#define IRQ26_MODE 0x00000002 +#define SVC26_MODE 0x00000003 +#if defined(__KERNEL__) && defined(CONFIG_CPU_V7M) +/* + * Use 0 here to get code right that creates a userspace + * or kernel space thread. + */ +#define USR_MODE 0x00000000 +#define SVC_MODE 0x00000000 +#else +#define USR_MODE 0x00000010 +#define SVC_MODE 0x00000013 +#endif +#define FIQ_MODE 0x00000011 +#define IRQ_MODE 0x00000012 +#define MON_MODE 0x00000016 +#define ABT_MODE 0x00000017 +#define HYP_MODE 0x0000001a +#define UND_MODE 0x0000001b +#define SYSTEM_MODE 0x0000001f +#define MODE32_BIT 0x00000010 +#define MODE_MASK 0x0000001f + +#define V4_PSR_T_BIT 0x00000020 /* >= V4T, but not V7M */ +#define V7M_PSR_T_BIT 0x01000000 +#if defined(__KERNEL__) && defined(CONFIG_CPU_V7M) +#define PSR_T_BIT V7M_PSR_T_BIT +#else +/* for compatibility */ +#define PSR_T_BIT V4_PSR_T_BIT +#endif + +#define PSR_F_BIT 0x00000040 /* >= V4, but not V7M */ +#define PSR_I_BIT 0x00000080 /* >= V4, but not V7M */ +#define PSR_A_BIT 0x00000100 /* >= V6, but not V7M */ +#define PSR_E_BIT 0x00000200 /* >= V6, but not V7M */ +#define PSR_J_BIT 0x01000000 /* >= V5J, but not V7M */ +#define PSR_Q_BIT 0x08000000 /* >= V5E, including V7M */ +#define PSR_V_BIT 0x10000000 +#define PSR_C_BIT 0x20000000 +#define PSR_Z_BIT 0x40000000 +#define PSR_N_BIT 0x80000000 + +/* + * Groups of PSR bits + */ +#define PSR_f 0xff000000 /* Flags */ +#define PSR_s 0x00ff0000 /* Status */ +#define PSR_x 0x0000ff00 /* Extension */ +#define PSR_c 0x000000ff /* Control */ + +/* + * ARMv7 groups of PSR bits + */ +#define APSR_MASK 0xf80f0000 /* N, Z, C, V, Q and GE flags */ +#define PSR_ISET_MASK 0x01000010 /* ISA state (J, T) mask */ +#define PSR_IT_MASK 0x0600fc00 /* If-Then execution state mask */ +#define PSR_ENDIAN_MASK 0x00000200 /* Endianness state mask */ + +/* + * Default endianness state + */ +#ifdef CONFIG_CPU_ENDIAN_BE8 +#define PSR_ENDSTATE PSR_E_BIT +#else +#define PSR_ENDSTATE 0 +#endif + +/* + * These are 'magic' values for PTRACE_PEEKUSR that return info about where a + * process is located in memory. + */ +#define PT_TEXT_ADDR 0x10000 +#define PT_DATA_ADDR 0x10004 +#define PT_TEXT_END_ADDR 0x10008 + +#ifndef __ASSEMBLY__ + +/* + * This struct defines the way the registers are stored on the + * stack during a system call. Note that sizeof(struct pt_regs) + * has to be a multiple of 8. + */ +#ifndef __KERNEL__ +struct pt_regs { + long uregs[18]; +}; +#endif /* __KERNEL__ */ + +#define ARM_cpsr uregs[16] +#define ARM_pc uregs[15] +#define ARM_lr uregs[14] +#define ARM_sp uregs[13] +#define ARM_ip uregs[12] +#define ARM_fp uregs[11] +#define ARM_r10 uregs[10] +#define ARM_r9 uregs[9] +#define ARM_r8 uregs[8] +#define ARM_r7 uregs[7] +#define ARM_r6 uregs[6] +#define ARM_r5 uregs[5] +#define ARM_r4 uregs[4] +#define ARM_r3 uregs[3] +#define ARM_r2 uregs[2] +#define ARM_r1 uregs[1] +#define ARM_r0 uregs[0] +#define ARM_ORIG_r0 uregs[17] + +/* + * The size of the user-visible VFP state as seen by PTRACE_GET/SETVFPREGS + * and core dumps. + */ +#define ARM_VFPREGS_SIZE ( 32 * 8 /*fpregs*/ + 4 /*fpscr*/ ) + + +#endif /* __ASSEMBLY__ */ + +#endif /* _UAPI__ASM_ARM_PTRACE_H */ diff --git a/arch/arm/include/uapi/asm/setup.h b/arch/arm/include/uapi/asm/setup.h new file mode 100644 index 000000000..6b335a9ff --- /dev/null +++ b/arch/arm/include/uapi/asm/setup.h @@ -0,0 +1,188 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * linux/include/asm/setup.h + * + * Copyright (C) 1997-1999 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Structure passed to kernel to tell it about the + * hardware it's running on. See Documentation/arm/Setup + * for more info. + */ +#ifndef _UAPI__ASMARM_SETUP_H +#define _UAPI__ASMARM_SETUP_H + +#include <linux/types.h> + +#define COMMAND_LINE_SIZE 1024 + +/* The list ends with an ATAG_NONE node. */ +#define ATAG_NONE 0x00000000 + +struct tag_header { + __u32 size; + __u32 tag; +}; + +/* The list must start with an ATAG_CORE node */ +#define ATAG_CORE 0x54410001 + +struct tag_core { + __u32 flags; /* bit 0 = read-only */ + __u32 pagesize; + __u32 rootdev; +}; + +/* it is allowed to have multiple ATAG_MEM nodes */ +#define ATAG_MEM 0x54410002 + +struct tag_mem32 { + __u32 size; + __u32 start; /* physical start address */ +}; + +/* VGA text type displays */ +#define ATAG_VIDEOTEXT 0x54410003 + +struct tag_videotext { + __u8 x; + __u8 y; + __u16 video_page; + __u8 video_mode; + __u8 video_cols; + __u16 video_ega_bx; + __u8 video_lines; + __u8 video_isvga; + __u16 video_points; +}; + +/* describes how the ramdisk will be used in kernel */ +#define ATAG_RAMDISK 0x54410004 + +struct tag_ramdisk { + __u32 flags; /* bit 0 = load, bit 1 = prompt */ + __u32 size; /* decompressed ramdisk size in _kilo_ bytes */ + __u32 start; /* starting block of floppy-based RAM disk image */ +}; + +/* describes where the compressed ramdisk image lives (virtual address) */ +/* + * this one accidentally used virtual addresses - as such, + * it's deprecated. + */ +#define ATAG_INITRD 0x54410005 + +/* describes where the compressed ramdisk image lives (physical address) */ +#define ATAG_INITRD2 0x54420005 + +struct tag_initrd { + __u32 start; /* physical start address */ + __u32 size; /* size of compressed ramdisk image in bytes */ +}; + +/* board serial number. "64 bits should be enough for everybody" */ +#define ATAG_SERIAL 0x54410006 + +struct tag_serialnr { + __u32 low; + __u32 high; +}; + +/* board revision */ +#define ATAG_REVISION 0x54410007 + +struct tag_revision { + __u32 rev; +}; + +/* initial values for vesafb-type framebuffers. see struct screen_info + * in include/linux/tty.h + */ +#define ATAG_VIDEOLFB 0x54410008 + +struct tag_videolfb { + __u16 lfb_width; + __u16 lfb_height; + __u16 lfb_depth; + __u16 lfb_linelength; + __u32 lfb_base; + __u32 lfb_size; + __u8 red_size; + __u8 red_pos; + __u8 green_size; + __u8 green_pos; + __u8 blue_size; + __u8 blue_pos; + __u8 rsvd_size; + __u8 rsvd_pos; +}; + +/* command line: \0 terminated string */ +#define ATAG_CMDLINE 0x54410009 + +struct tag_cmdline { + char cmdline[1]; /* this is the minimum size */ +}; + +/* acorn RiscPC specific information */ +#define ATAG_ACORN 0x41000101 + +struct tag_acorn { + __u32 memc_control_reg; + __u32 vram_pages; + __u8 sounddefault; + __u8 adfsdrives; +}; + +/* footbridge memory clock, see arch/arm/mach-footbridge/arch.c */ +#define ATAG_MEMCLK 0x41000402 + +struct tag_memclk { + __u32 fmemclk; +}; + +struct tag { + struct tag_header hdr; + union { + struct tag_core core; + struct tag_mem32 mem; + struct tag_videotext videotext; + struct tag_ramdisk ramdisk; + struct tag_initrd initrd; + struct tag_serialnr serialnr; + struct tag_revision revision; + struct tag_videolfb videolfb; + struct tag_cmdline cmdline; + + /* + * Acorn specific + */ + struct tag_acorn acorn; + + /* + * DC21285 specific + */ + struct tag_memclk memclk; + } u; +}; + +struct tagtable { + __u32 tag; + int (*parse)(const struct tag *); +}; + +#define tag_member_present(tag,member) \ + ((unsigned long)(&((struct tag *)0L)->member + 1) \ + <= (tag)->hdr.size * 4) + +#define tag_next(t) ((struct tag *)((__u32 *)(t) + (t)->hdr.size)) +#define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type)) >> 2) + +#define for_each_tag(t,base) \ + for (t = base; t->hdr.size; t = tag_next(t)) + + +#endif /* _UAPI__ASMARM_SETUP_H */ diff --git a/arch/arm/include/uapi/asm/sigcontext.h b/arch/arm/include/uapi/asm/sigcontext.h new file mode 100644 index 000000000..e223c65ad --- /dev/null +++ b/arch/arm/include/uapi/asm/sigcontext.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASMARM_SIGCONTEXT_H +#define _ASMARM_SIGCONTEXT_H + +/* + * Signal context structure - contains all info to do with the state + * before the signal handler was invoked. Note: only add new entries + * to the end of the structure. + */ +struct sigcontext { + unsigned long trap_no; + unsigned long error_code; + unsigned long oldmask; + unsigned long arm_r0; + unsigned long arm_r1; + unsigned long arm_r2; + unsigned long arm_r3; + unsigned long arm_r4; + unsigned long arm_r5; + unsigned long arm_r6; + unsigned long arm_r7; + unsigned long arm_r8; + unsigned long arm_r9; + unsigned long arm_r10; + unsigned long arm_fp; + unsigned long arm_ip; + unsigned long arm_sp; + unsigned long arm_lr; + unsigned long arm_pc; + unsigned long arm_cpsr; + unsigned long fault_address; +}; + + +#endif diff --git a/arch/arm/include/uapi/asm/signal.h b/arch/arm/include/uapi/asm/signal.h new file mode 100644 index 000000000..9b4185ba4 --- /dev/null +++ b/arch/arm/include/uapi/asm/signal.h @@ -0,0 +1,121 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI_ASMARM_SIGNAL_H +#define _UAPI_ASMARM_SIGNAL_H + +#include <linux/types.h> + +/* Avoid too many header ordering problems. */ +struct siginfo; + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +#define NSIG 32 +typedef unsigned long sigset_t; + +#endif /* __KERNEL__ */ + +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT 6 +#define SIGBUS 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGUSR1 10 +#define SIGSEGV 11 +#define SIGUSR2 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGSTKFLT 16 +#define SIGCHLD 17 +#define SIGCONT 18 +#define SIGSTOP 19 +#define SIGTSTP 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGURG 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGIO 29 +#define SIGPOLL SIGIO +/* +#define SIGLOST 29 +*/ +#define SIGPWR 30 +#define SIGSYS 31 +#define SIGUNUSED 31 + +/* These should not be considered constants from userland. */ +#define SIGRTMIN 32 +#define SIGRTMAX _NSIG + +#define SIGSWI 32 + +/* + * SA_FLAGS values: + * + * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. + * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. + * SA_SIGINFO deliver the signal with SIGINFO structs + * SA_THIRTYTWO delivers the signal in 32-bit mode, even if the task + * is running in 26-bit. + * SA_ONSTACK allows alternate signal stacks (see sigaltstack(2)). + * SA_RESTART flag to get restarting signals (which were the default long ago) + * SA_NODEFER prevents the current signal from being masked in the handler. + * SA_RESETHAND clears the handler when the signal is delivered. + * + * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single + * Unix names RESETHAND and NODEFER respectively. + */ +#define SA_NOCLDSTOP 0x00000001 +#define SA_NOCLDWAIT 0x00000002 +#define SA_SIGINFO 0x00000004 +#define SA_THIRTYTWO 0x02000000 +#define SA_RESTORER 0x04000000 +#define SA_ONSTACK 0x08000000 +#define SA_RESTART 0x10000000 +#define SA_NODEFER 0x40000000 +#define SA_RESETHAND 0x80000000 + +#define SA_NOMASK SA_NODEFER +#define SA_ONESHOT SA_RESETHAND + +#define MINSIGSTKSZ 2048 +#define SIGSTKSZ 8192 + +#include <asm-generic/signal-defs.h> + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +struct sigaction { + union { + __sighandler_t _sa_handler; + void (*_sa_sigaction)(int, struct siginfo *, void *); + } _u; + sigset_t sa_mask; + unsigned long sa_flags; + void (*sa_restorer)(void); +}; + +#define sa_handler _u._sa_handler +#define sa_sigaction _u._sa_sigaction + +#endif /* __KERNEL__ */ + +typedef struct sigaltstack { + void __user *ss_sp; + int ss_flags; + size_t ss_size; +} stack_t; + + +#endif /* _UAPI_ASMARM_SIGNAL_H */ diff --git a/arch/arm/include/uapi/asm/stat.h b/arch/arm/include/uapi/asm/stat.h new file mode 100644 index 000000000..9c6580bfc --- /dev/null +++ b/arch/arm/include/uapi/asm/stat.h @@ -0,0 +1,88 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASMARM_STAT_H +#define _ASMARM_STAT_H + +struct __old_kernel_stat { + unsigned short st_dev; + unsigned short st_ino; + unsigned short st_mode; + unsigned short st_nlink; + unsigned short st_uid; + unsigned short st_gid; + unsigned short st_rdev; + unsigned long st_size; + unsigned long st_atime; + unsigned long st_mtime; + unsigned long st_ctime; +}; + +#define STAT_HAVE_NSEC + +struct stat { +#if defined(__ARMEB__) + unsigned short st_dev; + unsigned short __pad1; +#else + unsigned long st_dev; +#endif + unsigned long st_ino; + unsigned short st_mode; + unsigned short st_nlink; + unsigned short st_uid; + unsigned short st_gid; +#if defined(__ARMEB__) + unsigned short st_rdev; + unsigned short __pad2; +#else + unsigned long st_rdev; +#endif + unsigned long st_size; + unsigned long st_blksize; + unsigned long st_blocks; + unsigned long st_atime; + unsigned long st_atime_nsec; + unsigned long st_mtime; + unsigned long st_mtime_nsec; + unsigned long st_ctime; + unsigned long st_ctime_nsec; + unsigned long __unused4; + unsigned long __unused5; +}; + +/* This matches struct stat64 in glibc2.1, hence the absolutely + * insane amounts of padding around dev_t's. + * Note: The kernel zero's the padded region because glibc might read them + * in the hope that the kernel has stretched to using larger sizes. + */ +struct stat64 { + unsigned long long st_dev; + unsigned char __pad0[4]; + +#define STAT64_HAS_BROKEN_ST_INO 1 + unsigned long __st_ino; + unsigned int st_mode; + unsigned int st_nlink; + + unsigned long st_uid; + unsigned long st_gid; + + unsigned long long st_rdev; + unsigned char __pad3[4]; + + long long st_size; + unsigned long st_blksize; + unsigned long long st_blocks; /* Number 512-byte blocks allocated. */ + + unsigned long st_atime; + unsigned long st_atime_nsec; + + unsigned long st_mtime; + unsigned long st_mtime_nsec; + + unsigned long st_ctime; + unsigned long st_ctime_nsec; + + unsigned long long st_ino; +}; + +#endif diff --git a/arch/arm/include/uapi/asm/statfs.h b/arch/arm/include/uapi/asm/statfs.h new file mode 100644 index 000000000..177f08540 --- /dev/null +++ b/arch/arm/include/uapi/asm/statfs.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASMARM_STATFS_H +#define _ASMARM_STATFS_H + +/* + * With EABI there is 4 bytes of padding added to this structure. + * Let's pack it so the padding goes away to simplify dual ABI support. + * Note that user space does NOT have to pack this structure. + */ +#define ARCH_PACK_STATFS64 __attribute__((packed,aligned(4))) + +#include <asm-generic/statfs.h> +#endif diff --git a/arch/arm/include/uapi/asm/swab.h b/arch/arm/include/uapi/asm/swab.h new file mode 100644 index 000000000..301aa8d8e --- /dev/null +++ b/arch/arm/include/uapi/asm/swab.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * arch/arm/include/asm/byteorder.h + * + * ARM Endian-ness. In little endian mode, the data bus is connected such + * that byte accesses appear as: + * 0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31 + * and word accesses (data or instruction) appear as: + * d0...d31 + * + * When in big endian mode, byte accesses appear as: + * 0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7 + * and word accesses (data or instruction) appear as: + * d0...d31 + */ +#ifndef _UAPI__ASM_ARM_SWAB_H +#define _UAPI__ASM_ARM_SWAB_H + +#include <linux/compiler.h> +#include <linux/types.h> + +#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) +# define __SWAB_64_THRU_32__ +#endif + + +#if !defined(__KERNEL__) || __LINUX_ARM_ARCH__ < 6 +static inline __attribute_const__ __u32 __arch_swab32(__u32 x) +{ + __u32 t; + +#ifndef __thumb__ + if (!__builtin_constant_p(x)) { + /* + * The compiler needs a bit of a hint here to always do the + * right thing and not screw it up to different degrees + * depending on the gcc version. + */ + asm ("eor\t%0, %1, %1, ror #16" : "=r" (t) : "r" (x)); + } else +#endif + t = x ^ ((x << 16) | (x >> 16)); /* eor r1,r0,r0,ror #16 */ + + x = (x << 24) | (x >> 8); /* mov r0,r0,ror #8 */ + t &= ~0x00FF0000; /* bic r1,r1,#0x00FF0000 */ + x ^= (t >> 8); /* eor r0,r0,r1,lsr #8 */ + + return x; +} +#define __arch_swab32 __arch_swab32 + +#endif + +#endif /* _UAPI__ASM_ARM_SWAB_H */ diff --git a/arch/arm/include/uapi/asm/types.h b/arch/arm/include/uapi/asm/types.h new file mode 100644 index 000000000..1a667bc26 --- /dev/null +++ b/arch/arm/include/uapi/asm/types.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI_ASM_TYPES_H +#define _UAPI_ASM_TYPES_H + +#include <asm-generic/int-ll64.h> + +/* + * The C99 types uintXX_t that are usually defined in 'stdint.h' are not as + * unambiguous on ARM as you would expect. For the types below, there is a + * difference on ARM between GCC built for bare metal ARM, GCC built for glibc + * and the kernel itself, which results in build errors if you try to build with + * -ffreestanding and include 'stdint.h' (such as when you include 'arm_neon.h' + * in order to use NEON intrinsics) + * + * As the typedefs for these types in 'stdint.h' are based on builtin defines + * supplied by GCC, we can tweak these to align with the kernel's idea of those + * types, so 'linux/types.h' and 'stdint.h' can be safely included from the same + * source file (provided that -ffreestanding is used). + * + * int32_t uint32_t uintptr_t + * bare metal GCC long unsigned long unsigned int + * glibc GCC int unsigned int unsigned int + * kernel int unsigned int unsigned long + */ + +#ifdef __INT32_TYPE__ +#undef __INT32_TYPE__ +#define __INT32_TYPE__ int +#endif + +#ifdef __UINT32_TYPE__ +#undef __UINT32_TYPE__ +#define __UINT32_TYPE__ unsigned int +#endif + +#ifdef __UINTPTR_TYPE__ +#undef __UINTPTR_TYPE__ +#define __UINTPTR_TYPE__ unsigned long +#endif + +#endif /* _UAPI_ASM_TYPES_H */ diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h new file mode 100644 index 000000000..93ecf8aa4 --- /dev/null +++ b/arch/arm/include/uapi/asm/unistd.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * arch/arm/include/asm/unistd.h + * + * Copyright (C) 2001-2005 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Please forward _all_ changes to this file to rmk@arm.linux.org.uk, + * no matter what the change is. Thanks! + */ +#ifndef _UAPI__ASM_ARM_UNISTD_H +#define _UAPI__ASM_ARM_UNISTD_H + +#define __NR_OABI_SYSCALL_BASE 0x900000 + +#if defined(__thumb__) || defined(__ARM_EABI__) +#define __NR_SYSCALL_BASE 0 +#include <asm/unistd-eabi.h> +#else +#define __NR_SYSCALL_BASE __NR_OABI_SYSCALL_BASE +#include <asm/unistd-oabi.h> +#endif + +#include <asm/unistd-common.h> +#define __NR_sync_file_range2 __NR_arm_sync_file_range + +/* + * The following SWIs are ARM private. + */ +#define __ARM_NR_BASE (__NR_SYSCALL_BASE+0x0f0000) +#define __ARM_NR_breakpoint (__ARM_NR_BASE+1) +#define __ARM_NR_cacheflush (__ARM_NR_BASE+2) +#define __ARM_NR_usr26 (__ARM_NR_BASE+3) +#define __ARM_NR_usr32 (__ARM_NR_BASE+4) +#define __ARM_NR_set_tls (__ARM_NR_BASE+5) +#define __ARM_NR_get_tls (__ARM_NR_BASE+6) + +#endif /* _UAPI__ASM_ARM_UNISTD_H */ |