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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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80
arch/arm64/kernel/include/ihk/context.h Normal file
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/* context.h COPYRIGHT FUJITSU LIMITED 2015-2017 */
#ifndef __HEADER_ARM64_IHK_CONTEXT_H
#define __HEADER_ARM64_IHK_CONTEXT_H
#include <registers.h>
struct thread_info;
typedef struct {
struct thread_info *thread;
} ihk_mc_kernel_context_t;
struct user_pt_regs {
unsigned long regs[31];
unsigned long sp;
unsigned long pc;
unsigned long pstate;
};
struct pt_regs {
union {
struct user_pt_regs user_regs;
struct {
unsigned long regs[31];
unsigned long sp;
unsigned long pc;
unsigned long pstate;
};
};
unsigned long orig_x0;
unsigned long syscallno;
};
typedef struct pt_regs ihk_mc_user_context_t;
/* @ref.impl arch/arm64/include/asm/ptrace.h */
#define GET_IP(regs) ((unsigned long)(regs)->pc)
#define SET_IP(regs, value) ((regs)->pc = ((uint64_t) (value)))
/* @ref.impl arch/arm64/include/asm/ptrace.h */
/* AArch32 CPSR bits */
#define COMPAT_PSR_MODE_MASK 0x0000001f
/* @ref.impl include/asm-generic/ptrace.h */
static inline unsigned long instruction_pointer(struct pt_regs *regs)
{
return GET_IP(regs);
}
/* @ref.impl include/asm-generic/ptrace.h */
static inline void instruction_pointer_set(struct pt_regs *regs,
unsigned long val)
{
SET_IP(regs, val);
}
/* @ref.impl arch/arm64/include/asm/ptrace.h */
/*
* Write a register given an architectural register index r.
* This handles the common case where 31 means XZR, not SP.
*/
static inline void pt_regs_write_reg(struct pt_regs *regs, int r,
unsigned long val)
{
if (r != 31)
regs->regs[r] = val;
}
/* temp */
#define ihk_mc_syscall_arg0(uc) (uc)->regs[0]
#define ihk_mc_syscall_arg1(uc) (uc)->regs[1]
#define ihk_mc_syscall_arg2(uc) (uc)->regs[2]
#define ihk_mc_syscall_arg3(uc) (uc)->regs[3]
#define ihk_mc_syscall_arg4(uc) (uc)->regs[4]
#define ihk_mc_syscall_arg5(uc) (uc)->regs[5]
#define ihk_mc_syscall_ret(uc) (uc)->regs[0]
#define ihk_mc_syscall_pc(uc) (uc)->pc
#define ihk_mc_syscall_sp(uc) (uc)->sp
#endif /* !__HEADER_ARM64_IHK_CONTEXT_H */