xref: /openbmc/linux/arch/x86/entry/syscall_32.c (revision 0872098804b5f44bab91f80b6df55df32894fee3)
1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0
200398a00SIngo Molnar /* System call table for i386. */
300398a00SIngo Molnar 
400398a00SIngo Molnar #include <linux/linkage.h>
500398a00SIngo Molnar #include <linux/sys.h>
600398a00SIngo Molnar #include <linux/cache.h>
7*08720988SBrian Gerst #include <asm/unistd.h>
8034042ccSAndy Lutomirski #include <asm/syscall.h>
900398a00SIngo Molnar 
10f8781c4aSDominik Brodowski #ifdef CONFIG_IA32_EMULATION
11ebeb8c82SDominik Brodowski /* On X86_64, we use struct pt_regs * to pass parameters to syscalls */
12ebeb8c82SDominik Brodowski #define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);
13f48f01a9SSami Tolvanen #define __sys_ni_syscall __ia32_sys_ni_syscall
14f8781c4aSDominik Brodowski #else /* CONFIG_IA32_EMULATION */
15cfcbadb4SAndy Lutomirski #define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
16ebeb8c82SDominik Brodowski extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
17f48f01a9SSami Tolvanen #define __sys_ni_syscall sys_ni_syscall
18f8781c4aSDominik Brodowski #endif /* CONFIG_IA32_EMULATION */
19ebeb8c82SDominik Brodowski 
2000398a00SIngo Molnar #include <asm/syscalls_32.h>
2100398a00SIngo Molnar #undef __SYSCALL_I386
2200398a00SIngo Molnar 
23cfcbadb4SAndy Lutomirski #define __SYSCALL_I386(nr, sym, qual) [nr] = sym,
2400398a00SIngo Molnar 
25*08720988SBrian Gerst __visible const sys_call_ptr_t ia32_sys_call_table[__NR_ia32_syscall_max+1] = {
2600398a00SIngo Molnar 	/*
2700398a00SIngo Molnar 	 * Smells like a compiler bug -- it doesn't work
2800398a00SIngo Molnar 	 * when the & below is removed.
2900398a00SIngo Molnar 	 */
30*08720988SBrian Gerst 	[0 ... __NR_ia32_syscall_max] = &__sys_ni_syscall,
3100398a00SIngo Molnar #include <asm/syscalls_32.h>
3200398a00SIngo Molnar };
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