xref: /openbmc/linux/arch/sh/include/uapi/asm/auxvec.h (revision 6f52b16c)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __ASM_SH_AUXVEC_H
3 #define __ASM_SH_AUXVEC_H
4 
5 /*
6  * Architecture-neutral AT_ values in 0-17, leave some room
7  * for more of them.
8  */
9 
10 /*
11  * This entry gives some information about the FPU initialization
12  * performed by the kernel.
13  */
14 #define AT_FPUCW		18	/* Used FPU control word.  */
15 
16 #if defined(CONFIG_VSYSCALL) || !defined(__KERNEL__)
17 /*
18  * Only define this in the vsyscall case, the entry point to
19  * the vsyscall page gets placed here. The kernel will attempt
20  * to build a gate VMA we don't care about otherwise..
21  */
22 #define AT_SYSINFO_EHDR		33
23 #endif
24 
25 /*
26  * More complete cache descriptions than AT_[DIU]CACHEBSIZE.  If the
27  * value is -1, then the cache doesn't exist.  Otherwise:
28  *
29  *    bit 0-3:	  Cache set-associativity; 0 means fully associative.
30  *    bit 4-7:	  Log2 of cacheline size.
31  *    bit 8-31:	  Size of the entire cache >> 8.
32  */
33 #define AT_L1I_CACHESHAPE	34
34 #define AT_L1D_CACHESHAPE	35
35 #define AT_L2_CACHESHAPE	36
36 
37 #define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */
38 
39 #endif /* __ASM_SH_AUXVEC_H */
40