arch/powerpc/kernel/systbl.c

Source file repositories/reference/linux-study-clean/arch/powerpc/kernel/systbl.c

File Facts

System
Linux kernel
Corpus path
arch/powerpc/kernel/systbl.c
Extension
.c
Size
1259 bytes
Lines
47
Domain
Architecture Layer
Bucket
arch/powerpc
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#include <linux/syscalls.h>
#include <linux/compat.h>
#include <asm/unistd.h>
#include <asm/syscalls.h>

#undef __SYSCALL_WITH_COMPAT
#define __SYSCALL_WITH_COMPAT(nr, entry, compat) __SYSCALL(nr, entry)

#undef __SYSCALL
#ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
#define __SYSCALL(nr, entry) [nr] = entry,
#else
/*
 * Coerce syscall handlers with arbitrary parameters to common type
 * requires cast to void* to avoid -Wcast-function-type.
 */
#define __SYSCALL(nr, entry) [nr] = (void *) entry,
#endif

const syscall_fn sys_call_table[] = {
#ifdef CONFIG_PPC64
#include <asm/syscall_table_64.h>
#else
#include <asm/syscall_table_32.h>
#endif
};

#ifdef CONFIG_COMPAT
#undef __SYSCALL_WITH_COMPAT
#define __SYSCALL_WITH_COMPAT(nr, native, compat)	__SYSCALL(nr, compat)
const syscall_fn compat_sys_call_table[] = {
#include <asm/syscall_table_32.h>
};
#endif /* CONFIG_COMPAT */

Annotation

Implementation Notes