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Linux_Drivers/linux_5.10/arch/riscv/include/asm/compat.h
wangliang.wang 4f810186ab [linux] porting cvitek asic chips. 
1. update cv182x/cv183x configuration file
	2. update cv181x/cv180x configuration file
	3. update clk driver for cvitek
	4. update dma driver for cvitek
	5. update soc driver for cvitek
	6. porting cvitek ion driver from kernel-4.19
	7. compatible with riscv

Change-Id: Icff9fafe0ebe7d6bab824bbadb952e08bdc66c19
2023-03-10 20:33:10 +08:00

267 lines
6.9 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __ASM_COMPAT_H
#define __ASM_COMPAT_H
#define compat_mode_t compat_mode_t
typedef u16 compat_mode_t;
/*
* Architecture specific compatibility types
*/
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/sched/task_stack.h>
#include <asm-generic/compat.h>
#define COMPAT_USER_HZ 100
#define COMPAT_UTS_MACHINE "riscv\0\0"
#define _COMPAT_NSIG _NSIG
#define _COMPAT_NSIG_BPW 32
typedef compat_uint_t __compat_uid_t;
typedef compat_uint_t __compat_gid_t;
typedef compat_uint_t __compat_uid32_t;
typedef compat_uint_t __compat_gid32_t;
typedef compat_uint_t compat_dev_t;
typedef compat_int_t compat_ipc_pid_t;
typedef u32 compat_sigset_word;
typedef u32 compat_caddr_t;
struct compat_stat {
compat_ulong_t st_dev;
compat_ulong_t st_ino;
compat_uint_t st_mode;
compat_uint_t st_nlink;
compat_uint_t st_uid;
compat_uint_t st_gid;
compat_ulong_t st_rdev;
compat_ulong_t __pad1;
compat_long_t st_size;
compat_int_t st_blksize;
compat_int_t __pad2;
compat_long_t st_blocks;
compat_long_t st_atime;
compat_ulong_t st_atime_nsec;
compat_long_t st_mtime;
compat_ulong_t st_mtime_nsec;
compat_long_t st_ctime;
compat_ulong_t st_ctime_nsec;
compat_uint_t __unused4;
compat_uint_t __unused5;
};
struct compat_flock {
compat_short_t l_type;
compat_short_t l_whence;
compat_off_t l_start;
compat_off_t l_len;
compat_pid_t l_pid;
/* No __ARCH_FLOCK_PAD in riscv */
};
#define F_GETLK64 12
#define F_SETLK64 13
#define F_SETLKW64 14
struct compat_flock64 {
compat_short_t l_type;
compat_short_t l_whence;
compat_loff_t l_start;
compat_loff_t l_len;
compat_pid_t l_pid;
/* No __ARCH_FLOCK64_PAD in riscv */
};
struct compat_statfs {
compat_uint_t f_type;
compat_uint_t f_bsize;
compat_uint_t f_blocks;
compat_uint_t f_bfree;
compat_uint_t f_bavail;
compat_uint_t f_files;
compat_uint_t f_ffree;
__kernel_fsid_t f_fsid;
compat_uint_t f_namelen;
compat_uint_t f_frsize;
compat_uint_t f_flags;
compat_uint_t f_spare[4];
};
#define COMPAT_RLIM_INFINITY 0x7fffffff
#define COMPAT_OFF_T_MAX COMPAT_RLIM_INFINITY
struct compat_ipc64_perm {
compat_key_t key;
__compat_uid32_t uid;
__compat_gid32_t gid;
__compat_uid32_t cuid;
__compat_gid32_t cgid;
compat_mode_t mode;
unsigned char __pad1[4 - sizeof(compat_mode_t)];
compat_ushort_t seq;
compat_ushort_t __pad2;
compat_ulong_t unused1;
compat_ulong_t unused2;
};
struct compat_semid64_ds {
struct compat_ipc64_perm sem_perm;
compat_ulong_t sem_otime;
compat_ulong_t sem_otime_high;
compat_ulong_t sem_ctime;
compat_ulong_t sem_ctime_high;
compat_ulong_t sem_nsems;
compat_ulong_t __unused3;
compat_ulong_t __unused4;
};
struct compat_msqid64_ds {
struct compat_ipc64_perm msg_perm;
compat_ulong_t msg_stime;
compat_ulong_t msg_stime_high;
compat_ulong_t msg_rtime;
compat_ulong_t msg_rtime_high;
compat_ulong_t msg_ctime;
compat_ulong_t msg_ctime_high;
compat_ulong_t msg_cbytes;
compat_ulong_t msg_qnum;
compat_ulong_t msg_qbytes;
compat_pid_t msg_lspid;
compat_pid_t msg_lrpid;
compat_ulong_t __unused4;
compat_ulong_t __unused5;
};
struct compat_shmid64_ds {
struct compat_ipc64_perm shm_perm;
compat_size_t shm_segsz;
compat_ulong_t shm_atime;
compat_ulong_t shm_atime_high;
compat_ulong_t shm_dtime;
compat_ulong_t shm_dtime_high;
compat_ulong_t shm_ctime;
compat_ulong_t shm_ctime_high;
compat_pid_t shm_cpid;
compat_pid_t shm_lpid;
compat_ulong_t shm_nattch;
compat_ulong_t __unused4;
compat_ulong_t __unused5;
};
static inline int is_compat_task(void)
{
return test_thread_flag(TIF_32BIT);
}
struct compat_user_regs_struct {
compat_ulong_t pc;
compat_ulong_t ra;
compat_ulong_t sp;
compat_ulong_t gp;
compat_ulong_t tp;
compat_ulong_t t0;
compat_ulong_t t1;
compat_ulong_t t2;
compat_ulong_t s0;
compat_ulong_t s1;
compat_ulong_t a0;
compat_ulong_t a1;
compat_ulong_t a2;
compat_ulong_t a3;
compat_ulong_t a4;
compat_ulong_t a5;
compat_ulong_t a6;
compat_ulong_t a7;
compat_ulong_t s2;
compat_ulong_t s3;
compat_ulong_t s4;
compat_ulong_t s5;
compat_ulong_t s6;
compat_ulong_t s7;
compat_ulong_t s8;
compat_ulong_t s9;
compat_ulong_t s10;
compat_ulong_t s11;
compat_ulong_t t3;
compat_ulong_t t4;
compat_ulong_t t5;
compat_ulong_t t6;
};
static inline void regs_to_cregs(struct compat_user_regs_struct *cregs,
struct pt_regs *regs)
{
cregs->pc = (compat_ulong_t) regs->epc;
cregs->ra = (compat_ulong_t) regs->ra;
cregs->sp = (compat_ulong_t) regs->sp;
cregs->gp = (compat_ulong_t) regs->gp;
cregs->tp = (compat_ulong_t) regs->tp;
cregs->t0 = (compat_ulong_t) regs->t0;
cregs->t1 = (compat_ulong_t) regs->t1;
cregs->t2 = (compat_ulong_t) regs->t2;
cregs->s0 = (compat_ulong_t) regs->s0;
cregs->s1 = (compat_ulong_t) regs->s1;
cregs->a0 = (compat_ulong_t) regs->a0;
cregs->a1 = (compat_ulong_t) regs->a1;
cregs->a2 = (compat_ulong_t) regs->a2;
cregs->a3 = (compat_ulong_t) regs->a3;
cregs->a4 = (compat_ulong_t) regs->a4;
cregs->a5 = (compat_ulong_t) regs->a5;
cregs->a6 = (compat_ulong_t) regs->a6;
cregs->a7 = (compat_ulong_t) regs->a7;
cregs->s2 = (compat_ulong_t) regs->s2;
cregs->s3 = (compat_ulong_t) regs->s3;
cregs->s4 = (compat_ulong_t) regs->s4;
cregs->s5 = (compat_ulong_t) regs->s5;
cregs->s6 = (compat_ulong_t) regs->s6;
cregs->s7 = (compat_ulong_t) regs->s7;
cregs->s8 = (compat_ulong_t) regs->s8;
cregs->s9 = (compat_ulong_t) regs->s9;
cregs->s10 = (compat_ulong_t) regs->s10;
cregs->s11 = (compat_ulong_t) regs->s11;
cregs->t3 = (compat_ulong_t) regs->t3;
cregs->t4 = (compat_ulong_t) regs->t4;
cregs->t5 = (compat_ulong_t) regs->t5;
cregs->t6 = (compat_ulong_t) regs->t6;
};
static inline void cregs_to_regs(struct compat_user_regs_struct *cregs,
struct pt_regs *regs)
{
regs->epc = (unsigned long) cregs->pc;
regs->ra = (unsigned long) cregs->ra;
regs->sp = (unsigned long) cregs->sp;
regs->gp = (unsigned long) cregs->gp;
regs->tp = (unsigned long) cregs->tp;
regs->t0 = (unsigned long) cregs->t0;
regs->t1 = (unsigned long) cregs->t1;
regs->t2 = (unsigned long) cregs->t2;
regs->s0 = (unsigned long) cregs->s0;
regs->s1 = (unsigned long) cregs->s1;
regs->a0 = (unsigned long) cregs->a0;
regs->a1 = (unsigned long) cregs->a1;
regs->a2 = (unsigned long) cregs->a2;
regs->a3 = (unsigned long) cregs->a3;
regs->a4 = (unsigned long) cregs->a4;
regs->a5 = (unsigned long) cregs->a5;
regs->a6 = (unsigned long) cregs->a6;
regs->a7 = (unsigned long) cregs->a7;
regs->s2 = (unsigned long) cregs->s2;
regs->s3 = (unsigned long) cregs->s3;
regs->s4 = (unsigned long) cregs->s4;
regs->s5 = (unsigned long) cregs->s5;
regs->s6 = (unsigned long) cregs->s6;
regs->s7 = (unsigned long) cregs->s7;
regs->s8 = (unsigned long) cregs->s8;
regs->s9 = (unsigned long) cregs->s9;
regs->s10 = (unsigned long) cregs->s10;
regs->s11 = (unsigned long) cregs->s11;
regs->t3 = (unsigned long) cregs->t3;
regs->t4 = (unsigned long) cregs->t4;
regs->t5 = (unsigned long) cregs->t5;
regs->t6 = (unsigned long) cregs->t6;
};
#endif /* __ASM_COMPAT_H */
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