cregit-Linux how code gets into the kernel

Release 4.14 arch/m32r/platforms/oaks32r/io.c

// SPDX-License-Identifier: GPL-2.0
/*
 *  linux/arch/m32r/platforms/oaks32r/io.c
 *
 *  Typical I/O routines for OAKS32R board.
 *
 *  Copyright (c) 2001-2005  Hiroyuki Kondo, Hirokazu Takata,
 *                           Hitoshi Yamamoto, Mamoru Sakugawa
 */

#include <asm/m32r.h>
#include <asm/page.h>
#include <asm/io.h>


#define PORT2ADDR(port)  _port2addr(port)


static inline void *_port2addr(unsigned long port) { return (void *)(port | NONCACHE_OFFSET); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata23100.00%3100.00%
Total23100.00%3100.00%


static inline void *_port2addr_ne(unsigned long port) { return (void *)((port<<1) + NONCACHE_OFFSET + 0x02000000); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata29100.00%2100.00%
Total29100.00%2100.00%


static inline void delay(void) { __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory"); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata12100.00%2100.00%
Total12100.00%2100.00%

/* * NIC I/O function */ #define PORT2ADDR_NE(port) _port2addr_ne(port)
static inline unsigned char _ne_inb(void *portp) { return *(volatile unsigned char *)(portp+1); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata26100.00%2100.00%
Total26100.00%2100.00%


static inline unsigned short _ne_inw(void *portp) { unsigned short tmp; tmp = *(unsigned short *)(portp) & 0xff; tmp |= *(unsigned short *)(portp+2) << 8; return tmp; }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata49100.00%2100.00%
Total49100.00%2100.00%


static inline void _ne_insb(void *portp, void *addr, unsigned long count) { unsigned char *buf = addr; while (count--) *buf++ = *(volatile unsigned char *)(portp+1); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata48100.00%2100.00%
Total48100.00%2100.00%


static inline void _ne_outb(unsigned char b, void *portp) { *(volatile unsigned char *)(portp+1) = b; }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata30100.00%2100.00%
Total30100.00%2100.00%


static inline void _ne_outw(unsigned short w, void *portp) { *(volatile unsigned short *)portp = (w >> 8); *(volatile unsigned short *)(portp+2) = (w & 0xff); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata49100.00%2100.00%
Total49100.00%2100.00%


unsigned char _inb(unsigned long port) { if (port >= 0x300 && port < 0x320) return _ne_inb(PORT2ADDR_NE(port)); return *(volatile unsigned char *)PORT2ADDR(port); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata42100.00%1100.00%
Total42100.00%1100.00%


unsigned short _inw(unsigned long port) { if (port >= 0x300 && port < 0x320) return _ne_inw(PORT2ADDR_NE(port)); return *(volatile unsigned short *)PORT2ADDR(port); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata42100.00%1100.00%
Total42100.00%1100.00%


unsigned long _inl(unsigned long port) { return *(volatile unsigned long *)PORT2ADDR(port); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata23100.00%1100.00%
Total23100.00%1100.00%


unsigned char _inb_p(unsigned long port) { unsigned char v = _inb(port); delay(); return (v); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata27100.00%2100.00%
Total27100.00%2100.00%


unsigned short _inw_p(unsigned long port) { unsigned short v = _inw(port); delay(); return (v); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata27100.00%2100.00%
Total27100.00%2100.00%


unsigned long _inl_p(unsigned long port) { unsigned long v = _inl(port); delay(); return (v); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata27100.00%2100.00%
Total27100.00%2100.00%


void _outb(unsigned char b, unsigned long port) { if (port >= 0x300 && port < 0x320) _ne_outb(b, PORT2ADDR_NE(port)); else *(volatile unsigned char *)PORT2ADDR(port) = b; }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata48100.00%1100.00%
Total48100.00%1100.00%


void _outw(unsigned short w, unsigned long port) { if (port >= 0x300 && port < 0x320) _ne_outw(w, PORT2ADDR_NE(port)); else *(volatile unsigned short *)PORT2ADDR(port) = w; }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata48100.00%1100.00%
Total48100.00%1100.00%


void _outl(unsigned long l, unsigned long port) { *(volatile unsigned long *)PORT2ADDR(port) = l; }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata27100.00%1100.00%
Total27100.00%1100.00%


void _outb_p(unsigned char b, unsigned long port) { _outb(b, port); delay(); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata23100.00%2100.00%
Total23100.00%2100.00%


void _outw_p(unsigned short w, unsigned long port) { _outw(w, port); delay(); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata23100.00%2100.00%
Total23100.00%2100.00%


void _outl_p(unsigned long l, unsigned long port) { _outl(l, port); delay(); }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata23100.00%2100.00%
Total23100.00%2100.00%


void _insb(unsigned int port, void *addr, unsigned long count) { if (port >= 0x300 && port < 0x320) _ne_insb(PORT2ADDR_NE(port), addr, count); else { unsigned char *buf = addr; unsigned char *portp = PORT2ADDR(port); while (count--) *buf++ = *(volatile unsigned char *)portp; } }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata77100.00%1100.00%
Total77100.00%1100.00%


void _insw(unsigned int port, void *addr, unsigned long count) { unsigned short *buf = addr; unsigned short *portp; if (port >= 0x300 && port < 0x320) { portp = PORT2ADDR_NE(port); while (count--) *buf++ = _ne_inw(portp); } else { portp = PORT2ADDR(port); while (count--) *buf++ = *(volatile unsigned short *)portp; } }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata90100.00%1100.00%
Total90100.00%1100.00%


void _insl(unsigned int port, void *addr, unsigned long count) { unsigned long *buf = addr; unsigned long *portp; portp = PORT2ADDR(port); while (count--) *buf++ = *(volatile unsigned long *)portp; }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata54100.00%1100.00%
Total54100.00%1100.00%


void _outsb(unsigned int port, const void *addr, unsigned long count) { const unsigned char *buf = addr; unsigned char *portp; if (port >= 0x300 && port < 0x320) { portp = PORT2ADDR_NE(port); while (count--) _ne_outb(*buf++, portp); } else { portp = PORT2ADDR(port); while (count--) *(volatile unsigned char *)portp = *buf++; } }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata92100.00%1100.00%
Total92100.00%1100.00%


void _outsw(unsigned int port, const void *addr, unsigned long count) { const unsigned short *buf = addr; unsigned short *portp; if (port >= 0x300 && port < 0x320) { portp = PORT2ADDR_NE(port); while (count--) _ne_outw(*buf++, portp); } else { portp = PORT2ADDR(port); while (count--) *(volatile unsigned short *)portp = *buf++; } }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata92100.00%1100.00%
Total92100.00%1100.00%


void _outsl(unsigned int port, const void *addr, unsigned long count) { const unsigned long *buf = addr; unsigned char *portp; portp = PORT2ADDR(port); while (count--) *(volatile unsigned long *)portp = *buf++; }

Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata56100.00%1100.00%
Total56100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata113299.91%583.33%
Greg Kroah-Hartman10.09%116.67%
Total1133100.00%6100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.