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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bl_bit_32.h (639B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ASM_SH_BL_BIT_32_H
      3#define __ASM_SH_BL_BIT_32_H
      4
      5static inline void set_bl_bit(void)
      6{
      7	unsigned long __dummy0, __dummy1;
      8
      9	__asm__ __volatile__ (
     10		"stc	sr, %0\n\t"
     11		"or	%2, %0\n\t"
     12		"and	%3, %0\n\t"
     13		"ldc	%0, sr\n\t"
     14		: "=&r" (__dummy0), "=r" (__dummy1)
     15		: "r" (0x10000000), "r" (0xffffff0f)
     16		: "memory"
     17	);
     18}
     19
     20static inline void clear_bl_bit(void)
     21{
     22	unsigned long __dummy0, __dummy1;
     23
     24	__asm__ __volatile__ (
     25		"stc	sr, %0\n\t"
     26		"and	%2, %0\n\t"
     27		"ldc	%0, sr\n\t"
     28		: "=&r" (__dummy0), "=r" (__dummy1)
     29		: "1" (~0x10000000)
     30		: "memory"
     31	);
     32}
     33
     34#endif /* __ASM_SH_BL_BIT_32_H */