/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_MICROBLAZE_SYSCALL_H #define __ASM_MICROBLAZE_SYSCALL_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 R12 */ static inline long syscall_get_nr(struct task_struct *task, struct pt_regs *regs) { return regs->r12; } static inline void syscall_rollback(struct task_struct *task, struct pt_regs *regs) { /* TODO. */ } static inline long syscall_get_error(struct task_struct *task, struct pt_regs *regs) { return IS_ERR_VALUE(regs->r3) ? regs->r3 : 0; } static inline long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) { return regs->r3; } static inline void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, int error, long val) { if (error) regs->r3 = -error; else regs->r3 = val; } static inline microblaze_reg_t microblaze_get_syscall_arg(struct pt_regs *regs, unsigned int n) { switch (n) { case 5: return regs->r10; case 4: return regs->r9; case 3: return regs->r8; case 2: return regs->r7; case 1: return regs->r6; case 0: return regs->r5; default: BUG(); } return ~0; } static inline void microblaze_set_syscall_arg(struct pt_regs *regs, unsigned int n, unsigned long val) { switch (n) { case 5: regs->r10 = val; case 4: regs->r9 = val; case 3: regs->r8 = val; case 2: regs->r7 = val; case 1: regs->r6 = val; case 0: regs->r5 = val; default: BUG(); } } static inline void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, unsigned int i, unsigned int n, unsigned long *args) { while (n--) *args++ = microblaze_get_syscall_arg(regs, i++); } static inline void syscall_set_arguments(struct task_struct *task, struct pt_regs *regs, unsigned int i, unsigned int n, const unsigned long *args) { while (n--) microblaze_set_syscall_arg(regs, i++, *args++); } asmlinkage unsigned long do_syscall_trace_enter(struct pt_regs *regs); asmlinkage void do_syscall_trace_leave(struct pt_regs *regs); static inline int syscall_get_arch(void) { return AUDIT_ARCH_MICROBLAZE; } #endif /* __ASM_MICROBLAZE_SYSCALL_H */
Name | Type | Size | Permission | Actions |
---|---|---|---|---|
Kbuild | File | 742 B | 0644 |
|
asm-compat.h | File | 518 B | 0644 |
|
asm-offsets.h | File | 35 B | 0644 |
|
atomic.h | File | 626 B | 0644 |
|
cache.h | File | 644 B | 0644 |
|
cacheflush.h | File | 4.12 KB | 0644 |
|
checksum.h | File | 942 B | 0644 |
|
cmpxchg.h | File | 919 B | 0644 |
|
cpuinfo.h | File | 2.13 KB | 0644 |
|
cputable.h | File | 1 B | 0644 |
|
current.h | File | 850 B | 0644 |
|
delay.h | File | 2.26 KB | 0644 |
|
dma-mapping.h | File | 765 B | 0644 |
|
dma.h | File | 706 B | 0644 |
|
elf.h | File | 738 B | 0644 |
|
entry.h | File | 1.13 KB | 0644 |
|
exceptions.h | File | 2.08 KB | 0644 |
|
fixmap.h | File | 1.96 KB | 0644 |
|
flat.h | File | 2.26 KB | 0644 |
|
ftrace.h | File | 641 B | 0644 |
|
futex.h | File | 2.13 KB | 0644 |
|
hash.h | File | 2.37 KB | 0644 |
|
highmem.h | File | 2.2 KB | 0644 |
|
hw_irq.h | File | 1 B | 0644 |
|
io.h | File | 2.05 KB | 0644 |
|
irq.h | File | 538 B | 0644 |
|
irqflags.h | File | 2.6 KB | 0644 |
|
kgdb.h | File | 739 B | 0644 |
|
mmu.h | File | 4.19 KB | 0644 |
|
mmu_context.h | File | 141 B | 0644 |
|
mmu_context_mm.h | File | 3.91 KB | 0644 |
|
module.h | File | 840 B | 0644 |
|
page.h | File | 6.11 KB | 0644 |
|
pci-bridge.h | File | 4.57 KB | 0644 |
|
pci.h | File | 2.47 KB | 0644 |
|
pgalloc.h | File | 4.74 KB | 0644 |
|
pgtable.h | File | 17.66 KB | 0644 |
|
processor.h | File | 4.11 KB | 0644 |
|
prom.h | File | 713 B | 0644 |
|
ptrace.h | File | 727 B | 0644 |
|
pvr.h | File | 8.72 KB | 0644 |
|
registers.h | File | 1.65 KB | 0644 |
|
seccomp.h | File | 256 B | 0644 |
|
sections.h | File | 637 B | 0644 |
|
setup.h | File | 1.37 KB | 0644 |
|
string.h | File | 630 B | 0644 |
|
switch_to.h | File | 629 B | 0644 |
|
syscall.h | File | 2.26 KB | 0644 |
|
thread_info.h | File | 4.01 KB | 0644 |
|
timex.h | File | 402 B | 0644 |
|
tlb.h | File | 714 B | 0644 |
|
tlbflush.h | File | 2.04 KB | 0644 |
|
uaccess.h | File | 9.98 KB | 0644 |
|
unaligned.h | File | 871 B | 0644 |
|
unistd.h | File | 1.19 KB | 0644 |
|
unwind.h | File | 719 B | 0644 |
|
user.h | File | 1 B | 0644 |
|