Contributors: 2
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Nicholas Piggin |
15 |
75.00% |
2 |
66.67% |
| Madhavan Srinivasan |
5 |
25.00% |
1 |
33.33% |
| Total |
20 |
|
3 |
|
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// SPDX-License-Identifier: GPL-2.0+
/*
* Part of fork context switch microbenchmark.
*
* Copyright 2018, Anton Blanchard, IBM Corp.
*/
#define _GNU_SOURCE
#include <sys/syscall.h>
void _start(void)
{
asm volatile (
"li %%r0, %[sys_exit];"
"li %%r3, 0;"
"sc;"
:
: [sys_exit] "i" (SYS_exit)
/*
* "sc" will clobber r0, r3-r13, cr0, ctr, xer and memory.
* Even though sys_exit never returns, handle clobber
* registers.
*/
: "r0", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10",
"r11", "r12", "r13", "cr0", "ctr", "xer", "memory"
);
}