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add arm64 support

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- add arm64 dependent codes with GICv3 and SVE support
- fix bugs based on architecture separation requests
This commit is contained in:
Takayuki Okamoto
2017-09-05 15:06:27 +09:00
parent 704096b139
commit 9989f41fd3
192 changed files with 26941 additions and 34 deletions
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66
arch/x86/kernel/include/arch-futex.h
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@@ -64,4 +64,70 @@ static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval,
return oldval;
}
#ifdef POSTK_DEBUG_ARCH_DEP_8 /* arch depend hide */
static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
{
int op = (encoded_op >> 28) & 7;
int cmp = (encoded_op >> 24) & 15;
int oparg = (encoded_op << 8) >> 20;
int cmparg = (encoded_op << 20) >> 20;
int oldval = 0, ret, tem;
if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
oparg = 1 << oparg;
#ifdef __UACCESS__
if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
return -EFAULT;
#endif
switch (op) {
case FUTEX_OP_SET:
__futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_ADD:
__futex_atomic_op1("lock; xaddl %0, %2", ret, oldval,
uaddr, oparg);
break;
case FUTEX_OP_OR:
__futex_atomic_op2("orl %4, %3", ret, oldval, uaddr, oparg);
break;
case FUTEX_OP_ANDN:
__futex_atomic_op2("andl %4, %3", ret, oldval, uaddr, ~oparg);
break;
case FUTEX_OP_XOR:
__futex_atomic_op2("xorl %4, %3", ret, oldval, uaddr, oparg);
break;
default:
ret = -ENOSYS;
}
if (!ret) {
switch (cmp) {
case FUTEX_OP_CMP_EQ:
ret = (oldval == cmparg);
break;
case FUTEX_OP_CMP_NE:
ret = (oldval != cmparg);
break;
case FUTEX_OP_CMP_LT:
ret = (oldval < cmparg);
break;
case FUTEX_OP_CMP_GE:
ret = (oldval >= cmparg);
break;
case FUTEX_OP_CMP_LE:
ret = (oldval <= cmparg);
break;
case FUTEX_OP_CMP_GT:
ret = (oldval > cmparg);
break;
default:
ret = -ENOSYS;
}
}
return ret;
}
#endif /* !POSTK_DEBUG_ARCH_DEP_8 */
#endif

7
arch/x86/kernel/include/arch-memory.h
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@@ -159,6 +159,13 @@ enum ihk_mc_pt_attribute {
enum ihk_mc_pt_attribute attr_mask;
#ifdef POSTK_DEBUG_ARCH_DEP_12
static inline int pfn_is_write_combined(uintptr_t pfn)
{
return ((pfn & PFL1_PWT) && !(pfn & PFL1_PCD));
}
#endif /* #ifdef POSTK_DEBUG_ARCH_DEP_12 */
static inline int pte_is_null(pte_t *ptep)
{
return (*ptep == PTE_NULL);

59
arch/x86/kernel/include/elf.h Normal file
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@@ -0,0 +1,59 @@
#ifdef POSTK_DEBUG_ARCH_DEP_18 /* coredump arch separation. */
#ifndef __HEADER_X86_COMMON_ELF_H
#define __HEADER_X86_COMMON_ELF_H
/* NOTE segment type defined */
#define NT_X86_STATE 0x202
/* ELF target machines defined */
#define EM_K10M 181 /* Intel K10M */
#define EM_X86_64 62 /* AMD x86-64 architecture */
/* ELF header defined */
#define ELF_CLASS ELFCLASS64
#define ELF_DATA ELFDATA2LSB
#define ELF_OSABI ELFOSABI_NONE
#define ELF_ABIVERSION El_ABIVERSION_NONE
#ifdef CONFIG_MIC
#define ELF_ARCH EM_K10M
#else /* CONFIG_MIC */
#define ELF_ARCH EM_X86_64
#endif /* CONFIG_MIC */
struct user_regs64_struct
{
a8_uint64_t r15;
a8_uint64_t r14;
a8_uint64_t r13;
a8_uint64_t r12;
a8_uint64_t rbp;
a8_uint64_t rbx;
a8_uint64_t r11;
a8_uint64_t r10;
a8_uint64_t r9;
a8_uint64_t r8;
a8_uint64_t rax;
a8_uint64_t rcx;
a8_uint64_t rdx;
a8_uint64_t rsi;
a8_uint64_t rdi;
a8_uint64_t orig_rax;
a8_uint64_t rip;
a8_uint64_t cs;
a8_uint64_t eflags;
a8_uint64_t rsp;
a8_uint64_t ss;
a8_uint64_t fs_base;
a8_uint64_t gs_base;
a8_uint64_t ds;
a8_uint64_t es;
a8_uint64_t fs;
a8_uint64_t gs;
};
#define ELF_NGREG64 (sizeof (struct user_regs64_struct) / sizeof(elf_greg64_t))
typedef elf_greg64_t elf_gregset64_t[ELF_NGREG64];
#endif /* __HEADER_S64FX_COMMON_ELF_H */
#endif /* !POSTK_DEBUG_ARCH_DEP_18 */

2
arch/x86/kernel/include/elfcore.h
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@@ -1,3 +1,4 @@
#ifndef POSTK_DEBUG_ARCH_DEP_18 /* coredump arch separation. */
/*
* Structures and definitions for ELF core file.
* Extracted from
@@ -90,3 +91,4 @@ struct note {
#include "elfcoregpl.h"
#endif /* !POSTK_DEBUG_ARCH_DEP_18 */

2
arch/x86/kernel/include/elfcoregpl.h
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@@ -1,3 +1,4 @@
#ifndef POSTK_DEBUG_ARCH_DEP_18 /* coredump arch separation. */
/*
* Structures and defines from GPLed file.
*/
@@ -92,3 +93,4 @@ struct elf_prpsinfo64
char pr_fname[16];
char pr_psargs[ELF_PRARGSZ];
};
#endif /* !POSTK_DEBUG_ARCH_DEP_18 */

8
arch/x86/kernel/include/ihk/types.h
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@@ -29,6 +29,14 @@ typedef uint64_t size_t;
typedef int64_t ssize_t;
typedef int64_t off_t;
#ifdef POSTK_DEBUG_ARCH_DEP_18 /* coredump arch separation. */
typedef int32_t key_t;
typedef uint32_t uid_t;
typedef uint32_t gid_t;
typedef int64_t time_t;
typedef int32_t pid_t;
#endif /* POSTK_DEBUG_ARCH_DEP_18 */
#define NULL ((void *)0)
#endif

4
arch/x86/kernel/include/syscall_list.h
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@@ -1,3 +1,4 @@
/* syscall_list.h COPYRIGHT FUJITSU LIMITED 2017 */
/**
* \file syscall_list.h
* License details are found in the file LICENSE.
@@ -132,6 +133,9 @@ SYSCALL_HANDLED(238, set_mempolicy)
SYSCALL_HANDLED(239, get_mempolicy)
SYSCALL_HANDLED(247, waitid)
SYSCALL_HANDLED(256, migrate_pages)
#ifdef POSTK_DEBUG_ARCH_DEP_62 /* Absorb the difference between open and openat args. */
SYSCALL_HANDLED(257, openat)
#endif /* POSTK_DEBUG_ARCH_DEP_62 */
SYSCALL_DELEGATED(270, pselect6)
SYSCALL_DELEGATED(271, ppoll)
SYSCALL_HANDLED(273, set_robust_list)