cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bugs.h (1349B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ASM_SH_BUGS_H
      3#define __ASM_SH_BUGS_H
      4
      5/*
      6 * This is included by init/main.c to check for architecture-dependent bugs.
      7 *
      8 * Needs:
      9 *	void check_bugs(void);
     10 */
     11
     12/*
     13 * I don't know of any Super-H bugs yet.
     14 */
     15
     16#include <asm/processor.h>
     17
     18extern void select_idle_routine(void);
     19
     20static void __init check_bugs(void)
     21{
     22	extern unsigned long loops_per_jiffy;
     23	char *p = &init_utsname()->machine[2]; /* "sh" */
     24
     25	select_idle_routine();
     26
     27	current_cpu_data.loops_per_jiffy = loops_per_jiffy;
     28
     29	switch (current_cpu_data.family) {
     30	case CPU_FAMILY_SH2:
     31		*p++ = '2';
     32		break;
     33	case CPU_FAMILY_SH2A:
     34		*p++ = '2';
     35		*p++ = 'a';
     36		break;
     37	case CPU_FAMILY_SH3:
     38		*p++ = '3';
     39		break;
     40	case CPU_FAMILY_SH4:
     41		*p++ = '4';
     42		break;
     43	case CPU_FAMILY_SH4A:
     44		*p++ = '4';
     45		*p++ = 'a';
     46		break;
     47	case CPU_FAMILY_SH4AL_DSP:
     48		*p++ = '4';
     49		*p++ = 'a';
     50		*p++ = 'l';
     51		*p++ = '-';
     52		*p++ = 'd';
     53		*p++ = 's';
     54		*p++ = 'p';
     55		break;
     56	case CPU_FAMILY_UNKNOWN:
     57		/*
     58		 * Specifically use CPU_FAMILY_UNKNOWN rather than
     59		 * default:, so we're able to have the compiler whine
     60		 * about unhandled enumerations.
     61		 */
     62		break;
     63	}
     64
     65	printk("CPU: %s\n", get_cpu_subtype(&current_cpu_data));
     66
     67#ifndef __LITTLE_ENDIAN__
     68	/* 'eb' means 'Endian Big' */
     69	*p++ = 'e';
     70	*p++ = 'b';
     71#endif
     72	*p = '\0';
     73}
     74#endif /* __ASM_SH_BUGS_H */