threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __ASM_SH_SYSCALL_64_H
|
|
#define __ASM_SH_SYSCALL_64_H
|
|
|
|
#include <uapi/linux/audit.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/sched.h>
|
|
#include <asm/ptrace.h>
|
|
|
|
/* The system call number is given by the user in R9 */
|
|
static inline long syscall_get_nr(struct task_struct *task,
|
|
struct pt_regs *regs)
|
|
{
|
|
return (regs->syscall_nr >= 0) ? regs->regs[9] : -1L;
|
|
}
|
|
|
|
static inline void syscall_rollback(struct task_struct *task,
|
|
struct pt_regs *regs)
|
|
{
|
|
/*
|
|
* XXX: This needs some thought. On SH we don't
|
|
* save away the original R9 value anywhere.
|
|
*/
|
|
}
|
|
|
|
static inline long syscall_get_error(struct task_struct *task,
|
|
struct pt_regs *regs)
|
|
{
|
|
return IS_ERR_VALUE(regs->regs[9]) ? regs->regs[9] : 0;
|
|
}
|
|
|
|
static inline long syscall_get_return_value(struct task_struct *task,
|
|
struct pt_regs *regs)
|
|
{
|
|
return regs->regs[9];
|
|
}
|
|
|
|
static inline void syscall_set_return_value(struct task_struct *task,
|
|
struct pt_regs *regs,
|
|
int error, long val)
|
|
{
|
|
if (error)
|
|
regs->regs[9] = -error;
|
|
else
|
|
regs->regs[9] = val;
|
|
}
|
|
|
|
static inline void syscall_get_arguments(struct task_struct *task,
|
|
struct pt_regs *regs,
|
|
unsigned int i, unsigned int n,
|
|
unsigned long *args)
|
|
{
|
|
BUG_ON(i + n > 6);
|
|
memcpy(args, ®s->regs[2 + i], n * sizeof(args[0]));
|
|
}
|
|
|
|
static inline void syscall_set_arguments(struct task_struct *task,
|
|
struct pt_regs *regs,
|
|
unsigned int i, unsigned int n,
|
|
const unsigned long *args)
|
|
{
|
|
BUG_ON(i + n > 6);
|
|
memcpy(®s->regs[2 + i], args, n * sizeof(args[0]));
|
|
}
|
|
|
|
static inline int syscall_get_arch(void)
|
|
{
|
|
int arch = AUDIT_ARCH_SH;
|
|
|
|
#ifdef CONFIG_64BIT
|
|
arch |= __AUDIT_ARCH_64BIT;
|
|
#endif
|
|
#ifdef CONFIG_CPU_LITTLE_ENDIAN
|
|
arch |= __AUDIT_ARCH_LE;
|
|
#endif
|
|
|
|
return arch;
|
|
}
|
|
#endif /* __ASM_SH_SYSCALL_64_H */
|