文件操作 - blinken.h
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文件: /usr/src/linux-headers-5.15.0-186/arch/m68k/include/asm/blinken.h
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/* ** asm/blinken.h -- m68k blinkenlights support (currently hp300 only) ** ** (c) 1998 Phil Blundell <philb@gnu.org> ** ** This file is subject to the terms and conditions of the GNU General Public ** License. See the file COPYING in the main directory of this archive ** for more details. ** */ #ifndef _M68K_BLINKEN_H #define _M68K_BLINKEN_H #include <asm/setup.h> #include <asm/io.h> #define HP300_LEDS 0xf001ffff extern unsigned char hp300_ledstate; static __inline__ void blinken_leds(int on, int off) { if (MACH_IS_HP300) { hp300_ledstate |= on; hp300_ledstate &= ~off; out_8(HP300_LEDS, ~hp300_ledstate); } } #endif
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