xref: /OK3568_Linux_fs/kernel/arch/sh/include/asm/bl_bit_32.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __ASM_SH_BL_BIT_32_H
3*4882a593Smuzhiyun #define __ASM_SH_BL_BIT_32_H
4*4882a593Smuzhiyun 
set_bl_bit(void)5*4882a593Smuzhiyun static inline void set_bl_bit(void)
6*4882a593Smuzhiyun {
7*4882a593Smuzhiyun 	unsigned long __dummy0, __dummy1;
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun 	__asm__ __volatile__ (
10*4882a593Smuzhiyun 		"stc	sr, %0\n\t"
11*4882a593Smuzhiyun 		"or	%2, %0\n\t"
12*4882a593Smuzhiyun 		"and	%3, %0\n\t"
13*4882a593Smuzhiyun 		"ldc	%0, sr\n\t"
14*4882a593Smuzhiyun 		: "=&r" (__dummy0), "=r" (__dummy1)
15*4882a593Smuzhiyun 		: "r" (0x10000000), "r" (0xffffff0f)
16*4882a593Smuzhiyun 		: "memory"
17*4882a593Smuzhiyun 	);
18*4882a593Smuzhiyun }
19*4882a593Smuzhiyun 
clear_bl_bit(void)20*4882a593Smuzhiyun static inline void clear_bl_bit(void)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun 	unsigned long __dummy0, __dummy1;
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	__asm__ __volatile__ (
25*4882a593Smuzhiyun 		"stc	sr, %0\n\t"
26*4882a593Smuzhiyun 		"and	%2, %0\n\t"
27*4882a593Smuzhiyun 		"ldc	%0, sr\n\t"
28*4882a593Smuzhiyun 		: "=&r" (__dummy0), "=r" (__dummy1)
29*4882a593Smuzhiyun 		: "1" (~0x10000000)
30*4882a593Smuzhiyun 		: "memory"
31*4882a593Smuzhiyun 	);
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #endif /* __ASM_SH_BL_BIT_32_H */
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