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/* $FreeBSD: release/9.1.0/sys/pc98/pc98/busio.s 139825 2005-01-07 02:29:27Z imp $ */ /* $NecBSD: busio.s,v 1.16.4.1 1999/08/16 09:06:08 kmatsuda Exp $ */ /* $NetBSD$ */ /*- * [NetBSD for NEC PC-98 series] * Copyright (c) 1996, 1997, 1998 * NetBSD/pc98 porting staff. All rights reserved. * * [Ported for FreeBSD] * Copyright (c) 2001 * TAKAHASHI Yoshihiro. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1997, 1998 * Naofumi HONDA. All rights reserved. */ #include <machine/asmacros.h> #include "assym.s" /*********************************************************** * Bus IO access methods (Direct Access) ***********************************************************/ #define BUS_ACCESS_ADDR(BSHREG,ADDRREG) \ addl BUS_SPACE_HANDLE_BASE/**/(%/**/BSHREG/**/),%/**/ADDRREG /* * read_N * IN: edx port * OUT: eax data */ ENTRY(SBUS_DA_io_space_read_1) BUS_ACCESS_ADDR(ebx,edx) inb %dx,%al ret ENTRY(SBUS_DA_io_space_read_2) BUS_ACCESS_ADDR(ebx,edx) inw %dx,%ax ret ENTRY(SBUS_DA_io_space_read_4) BUS_ACCESS_ADDR(ebx,edx) inl %dx,%eax ret /* * write_N * IN:eax DATA * edx PORT */ ENTRY(SBUS_DA_io_space_write_1) BUS_ACCESS_ADDR(ebx,edx) outb %al,%dx ret ENTRY(SBUS_DA_io_space_write_2) BUS_ACCESS_ADDR(ebx,edx) outw %ax,%dx ret ENTRY(SBUS_DA_io_space_write_4) BUS_ACCESS_ADDR(ebx,edx) outl %eax,%dx ret /* * read_multi_N * IN: ecx COUNT * edx PORT * edi BUFP */ ENTRY(SBUS_DA_io_space_read_multi_1) BUS_ACCESS_ADDR(ebx,edx) cld rep insb ret ENTRY(SBUS_DA_io_space_read_multi_2) BUS_ACCESS_ADDR(ebx,edx) cld rep insw ret ENTRY(SBUS_DA_io_space_read_multi_4) BUS_ACCESS_ADDR(ebx,edx) cld rep insl ret /* * write_multi_N * IN: ecx COUNT * edx PORT * esi BUFP */ ENTRY(SBUS_DA_io_space_write_multi_1) BUS_ACCESS_ADDR(ebx,edx) cld rep outsb ret ENTRY(SBUS_DA_io_space_write_multi_2) BUS_ACCESS_ADDR(ebx,edx) cld rep outsw ret ENTRY(SBUS_DA_io_space_write_multi_4) BUS_ACCESS_ADDR(ebx,edx) cld rep outsl ret /* * read_region_N * IN: ecx COUNT * edx PORT * edi BUFP */ ENTRY(SBUS_DA_io_space_read_region_1) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: inb %dx,%al stosb incl %edx decl %ecx jnz 1b 2: popl %eax ret ENTRY(SBUS_DA_io_space_read_region_2) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: inw %dx,%ax stosw addl $2,%edx decl %ecx jnz 1b 2: popl %eax ret ENTRY(SBUS_DA_io_space_read_region_4) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: inl %dx,%eax stosl addl $4,%edx decl %ecx jnz 1b 2: popl %eax ret /* * write_region_N * IN: ecx COUNT * edx PORT * esi BUFP */ ENTRY(SBUS_DA_io_space_write_region_1) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: lodsb outb %al,%dx incl %edx decl %ecx jnz 1b 2: popl %eax ret ENTRY(SBUS_DA_io_space_write_region_2) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: lodsw outw %ax,%dx addl $2,%edx decl %ecx jnz 1b 2: popl %eax ret ENTRY(SBUS_DA_io_space_write_region_4) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: lodsl outl %eax,%dx addl $4,%edx decl %ecx jnz 1b 2: popl %eax ret /* * set_multi_N * IN: eax DATA * ecx COUNT * edx PORT */ ENTRY(SBUS_DA_io_space_set_multi_1) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: outb %al,%dx decl %ecx jnz 1b 2: ret ENTRY(SBUS_DA_io_space_set_multi_2) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: outw %ax,%dx decl %ecx jnz 1b 2: ret ENTRY(SBUS_DA_io_space_set_multi_4) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: outl %eax,%dx decl %ecx jnz 1b 2: ret /* * set_region_N * IN: eax DATA * ecx COUNT * edx PORT */ ENTRY(SBUS_DA_io_space_set_region_1) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: outb %al,%dx incl %edx decl %ecx jnz 1b 2: ret ENTRY(SBUS_DA_io_space_set_region_2) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: outw %ax,%dx addl $2,%edx decl %ecx jnz 1b 2: ret ENTRY(SBUS_DA_io_space_set_region_4) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: outl %eax,%dx addl $4,%edx decl %ecx jnz 1b 2: ret /* * copy_region_N * IN: ecx COUNT * esi SPORT * edi DPORT */ ENTRY(SBUS_DA_io_space_copy_region_1) BUS_ACCESS_ADDR(eax,esi) BUS_ACCESS_ADDR(ebx,edi) pushl %eax pushl %edx orl %ecx,%ecx jz 2f 1: movl %esi,%edx inb %dx,%al incl %esi movl %edi,%edx outb %al,%dx incl %edi decl %ecx jnz 1b 2: popl %edx popl %eax ret ENTRY(SBUS_DA_io_space_copy_region_2) BUS_ACCESS_ADDR(eax,esi) BUS_ACCESS_ADDR(ebx,edi) pushl %eax pushl %edx orl %ecx,%ecx jz 2f 1: movl %esi,%edx inw %dx,%ax addl $2,%esi movl %edi,%edx outw %ax,%dx addl $2,%edi decl %ecx jnz 1b 2: popl %edx popl %eax ret ENTRY(SBUS_DA_io_space_copy_region_4) BUS_ACCESS_ADDR(eax,esi) BUS_ACCESS_ADDR(ebx,edi) pushl %eax pushl %edx orl %ecx,%ecx jz 2f 1: movl %esi,%edx inl %dx,%eax addl $4,%esi movl %edi,%edx outl %eax,%dx addl $4,%edi decl %ecx jnz 1b 2: popl %edx popl %eax ret /*********************************************************** * Bus Memory access methods (Direct Access) ***********************************************************/ /* * read_N */ ENTRY(SBUS_DA_mem_space_read_1) BUS_ACCESS_ADDR(ebx,edx) movb (%edx),%al ret ENTRY(SBUS_DA_mem_space_read_2) BUS_ACCESS_ADDR(ebx,edx) movw (%edx),%ax ret ENTRY(SBUS_DA_mem_space_read_4) BUS_ACCESS_ADDR(ebx,edx) movl (%edx),%eax ret /* * write_N */ ENTRY(SBUS_DA_mem_space_write_1) BUS_ACCESS_ADDR(ebx,edx) movb %al,(%edx) ret ENTRY(SBUS_DA_mem_space_write_2) BUS_ACCESS_ADDR(ebx,edx) movw %ax,(%edx) ret ENTRY(SBUS_DA_mem_space_write_4) BUS_ACCESS_ADDR(ebx,edx) movl %eax,(%edx) ret /* * read_multi_N */ ENTRY(SBUS_DA_mem_space_read_multi_1) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: movb (%edx),%al stosb decl %ecx jnz 1b 2: popl %eax ret ENTRY(SBUS_DA_mem_space_read_multi_2) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: movw (%edx),%ax stosw decl %ecx jnz 1b 2: popl %eax ret ENTRY(SBUS_DA_mem_space_read_multi_4) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: movl (%edx),%eax stosl decl %ecx jnz 1b 2: popl %eax ret /* * write_multi_N */ ENTRY(SBUS_DA_mem_space_write_multi_1) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: lodsb movb %al,(%edx) decl %ecx jnz 1b 2: popl %eax ret ENTRY(SBUS_DA_mem_space_write_multi_2) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: lodsw movw %ax,(%edx) decl %ecx jnz 1b 2: popl %eax ret ENTRY(SBUS_DA_mem_space_write_multi_4) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: lodsl movl %eax,(%edx) decl %ecx jnz 1b 2: popl %eax ret /* * read_region_N */ ENTRY(SBUS_DA_mem_space_read_region_1) BUS_ACCESS_ADDR(ebx,edx) cld pushl %esi movl %edx,%esi rep movsb popl %esi ret ENTRY(SBUS_DA_mem_space_read_region_2) BUS_ACCESS_ADDR(ebx,edx) cld pushl %esi movl %edx,%esi rep movsw popl %esi ret ENTRY(SBUS_DA_mem_space_read_region_4) BUS_ACCESS_ADDR(ebx,edx) cld pushl %esi movl %edx,%esi rep movsl popl %esi ret /* * write_region_N */ ENTRY(SBUS_DA_mem_space_write_region_1) BUS_ACCESS_ADDR(ebx,edx) cld pushl %edi movl %edx,%edi rep movsb popl %edi ret ENTRY(SBUS_DA_mem_space_write_region_2) BUS_ACCESS_ADDR(ebx,edx) cld pushl %edi movl %edx,%edi rep movsw popl %edi ret ENTRY(SBUS_DA_mem_space_write_region_4) BUS_ACCESS_ADDR(ebx,edx) cld pushl %edi movl %edx,%edi rep movsl popl %edi ret /* * set_multi_N */ ENTRY(SBUS_DA_mem_space_set_multi_1) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: movb %al,(%edx) decl %ecx jnz 1b 2: ret ENTRY(SBUS_DA_mem_space_set_multi_2) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: movw %ax,(%edx) decl %ecx jnz 1b 2: ret ENTRY(SBUS_DA_mem_space_set_multi_4) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: movl %eax,(%edx) decl %ecx jnz 1b 2: ret /* * set_region_N */ ENTRY(SBUS_DA_mem_space_set_region_1) BUS_ACCESS_ADDR(ebx,edx) cld pushl %edi movl %edx,%edi rep stosb popl %edi ret ENTRY(SBUS_DA_mem_space_set_region_2) BUS_ACCESS_ADDR(ebx,edx) cld pushl %edi movl %edx,%edi rep stosw popl %edi ret ENTRY(SBUS_DA_mem_space_set_region_4) BUS_ACCESS_ADDR(ebx,edx) cld pushl %edi movl %edx,%edi rep stosl popl %edi ret /* * copy_region_N */ ENTRY(SBUS_DA_mem_space_copy_region_1) BUS_ACCESS_ADDR(eax,esi) BUS_ACCESS_ADDR(ebx,edi) cld rep movsb ret ENTRY(SBUS_DA_mem_space_copy_region_2) BUS_ACCESS_ADDR(eax,esi) BUS_ACCESS_ADDR(ebx,edi) cld rep movsw ret ENTRY(SBUS_DA_mem_space_copy_region_4) BUS_ACCESS_ADDR(eax,esi) BUS_ACCESS_ADDR(ebx,edi) cld rep movsl ret #undef BUS_ACCESS_ADDR /*********************************************************** * Bus IO access methods (Relocate Access) ***********************************************************/ #define BUS_ACCESS_ADDR(BSHREG,ADDRREG) \ movl BUS_SPACE_HANDLE_IAT/**/(%/**/BSHREG/**/, %/**/ADDRREG/**/, 4), \ %/**/ADDRREG #define BUS_ACCESS_ADDR2(BSHREG,ADDRREG,DSTREG) \ movl BUS_SPACE_HANDLE_IAT/**/(%/**/BSHREG/**/, %/**/ADDRREG/**/, 4), \ %/**/DSTREG /* * read_N * IN: edx port * OUT: eax data */ ENTRY(SBUS_RA_io_space_read_1) BUS_ACCESS_ADDR(ebx,edx) inb %dx,%al ret ENTRY(SBUS_RA_io_space_read_2) BUS_ACCESS_ADDR(ebx,edx) inw %dx,%ax ret ENTRY(SBUS_RA_io_space_read_4) BUS_ACCESS_ADDR(ebx,edx) inl %dx,%eax ret /* * write_N * IN:eax DATA * edx PORT */ ENTRY(SBUS_RA_io_space_write_1) BUS_ACCESS_ADDR(ebx,edx) outb %al,%dx ret ENTRY(SBUS_RA_io_space_write_2) BUS_ACCESS_ADDR(ebx,edx) outw %ax,%dx ret ENTRY(SBUS_RA_io_space_write_4) BUS_ACCESS_ADDR(ebx,edx) outl %eax,%dx ret /* * read_multi_N * IN: ecx COUNT * edx PORT * edi BUFP */ ENTRY(SBUS_RA_io_space_read_multi_1) BUS_ACCESS_ADDR(ebx,edx) cld rep insb ret ENTRY(SBUS_RA_io_space_read_multi_2) BUS_ACCESS_ADDR(ebx,edx) cld rep insw ret ENTRY(SBUS_RA_io_space_read_multi_4) BUS_ACCESS_ADDR(ebx,edx) cld rep insl ret /* * write_multi_N * IN: ecx COUNT * edx PORT * esi BUFP */ ENTRY(SBUS_RA_io_space_write_multi_1) BUS_ACCESS_ADDR(ebx,edx) cld rep outsb ret ENTRY(SBUS_RA_io_space_write_multi_2) BUS_ACCESS_ADDR(ebx,edx) cld rep outsw ret ENTRY(SBUS_RA_io_space_write_multi_4) BUS_ACCESS_ADDR(ebx,edx) cld rep outsl ret /* * read_region_N * IN: ecx COUNT * edx PORT * edi BUFP */ ENTRY(SBUS_RA_io_space_read_region_1) cld pushl %eax pushl %esi orl %ecx,%ecx jz 2f movl %edx,%esi 1: BUS_ACCESS_ADDR2(ebx,esi,edx) inb %dx,%al stosb incl %esi decl %ecx jnz 1b 2: popl %esi popl %eax ret ENTRY(SBUS_RA_io_space_read_region_2) cld pushl %eax pushl %esi orl %ecx,%ecx jz 2f movl %edx,%esi 1: BUS_ACCESS_ADDR2(ebx,esi,edx) inw %dx,%ax stosw addl $2,%esi decl %ecx jnz 1b 2: popl %esi popl %eax ret ENTRY(SBUS_RA_io_space_read_region_4) cld pushl %eax pushl %esi orl %ecx,%ecx jz 2f movl %edx,%esi 1: BUS_ACCESS_ADDR2(ebx,esi,edx) inl %dx,%eax stosl addl $4,%esi decl %ecx jnz 1b 2: popl %esi popl %eax ret /* * write_region_N * IN: ecx COUNT * edx PORT * esi BUFP */ ENTRY(SBUS_RA_io_space_write_region_1) cld pushl %eax pushl %edi orl %ecx,%ecx jz 2f movl %edx,%edi 1: BUS_ACCESS_ADDR2(ebx,edi,edx) lodsb outb %al,%dx incl %edi decl %ecx jnz 1b 2: popl %edi popl %eax ret ENTRY(SBUS_RA_io_space_write_region_2) cld pushl %eax pushl %edi orl %ecx,%ecx jz 2f movl %edx,%edi 1: BUS_ACCESS_ADDR2(ebx,edi,edx) lodsw outw %ax,%dx addl $2,%edi decl %ecx jnz 1b 2: popl %edi popl %eax ret ENTRY(SBUS_RA_io_space_write_region_4) cld pushl %eax pushl %edi orl %ecx,%ecx jz 2f movl %edx,%edi 1: BUS_ACCESS_ADDR2(ebx,edi,edx) lodsl outl %eax,%dx addl $4,%edi decl %ecx jnz 1b 2: popl %edi popl %eax ret /* * set_multi_N * IN: eax DATA * ecx COUNT * edx PORT */ ENTRY(SBUS_RA_io_space_set_multi_1) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: outb %al,%dx decl %ecx jnz 1b 2: ret ENTRY(SBUS_RA_io_space_set_multi_2) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: outw %ax,%dx decl %ecx jnz 1b 2: ret ENTRY(SBUS_RA_io_space_set_multi_4) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: outl %eax,%dx decl %ecx jnz 1b 2: ret /* * set_region_N * IN: eax DATA * ecx COUNT * edx PORT */ ENTRY(SBUS_RA_io_space_set_region_1) pushl %edi orl %ecx,%ecx jz 2f movl %edx,%edi 1: BUS_ACCESS_ADDR2(ebx,edi,edx) outb %al,%dx incl %edi decl %ecx jnz 1b 2: popl %edi ret ENTRY(SBUS_RA_io_space_set_region_2) pushl %edi orl %ecx,%ecx jz 2f movl %edx,%edi 1: BUS_ACCESS_ADDR2(ebx,edi,edx) outw %ax,%dx addl $2,%edi decl %ecx jnz 1b 2: popl %edi ret ENTRY(SBUS_RA_io_space_set_region_4) pushl %edi orl %ecx,%ecx jz 2f movl %edx,%edi 1: BUS_ACCESS_ADDR2(ebx,edi,edx) outl %eax,%dx addl $4,%edi decl %ecx jnz 1b 2: popl %edi ret /* * copy_region_N * IN: ecx COUNT * esi SPORT * edi DPORT */ ENTRY(SBUS_RA_io_space_copy_region_1) pushl %eax pushl %edx orl %ecx,%ecx jz 2f 1: BUS_ACCESS_ADDR2(ebx,esi,edx) inb %dx,%al incl %esi BUS_ACCESS_ADDR2(ebx,edi,edx) outb %al,%dx incl %edi decl %ecx jnz 1b 2: popl %edx popl %eax ret ENTRY(SBUS_RA_io_space_copy_region_2) pushl %eax pushl %edx orl %ecx,%ecx jz 2f 1: BUS_ACCESS_ADDR2(ebx,esi,edx) inw %dx,%ax addl $2,%esi BUS_ACCESS_ADDR2(ebx,edi,edx) outw %ax,%dx addl $2,%edi decl %ecx jnz 1b 2: popl %edx popl %eax ret ENTRY(SBUS_RA_io_space_copy_region_4) pushl %eax pushl %edx orl %ecx,%ecx jz 2f 1: BUS_ACCESS_ADDR2(ebx,esi,edx) inl %dx,%eax addl $4,%esi BUS_ACCESS_ADDR2(ebx,edi,edx) outl %eax,%dx addl $4,%edi decl %ecx jnz 1b 2: popl %edx popl %eax ret /*********************************************************** * Bus Memory access methods ***********************************************************/ /* * read_N */ ENTRY(SBUS_RA_mem_space_read_1) BUS_ACCESS_ADDR(ebx,edx) movb (%edx),%al ret ENTRY(SBUS_RA_mem_space_read_2) BUS_ACCESS_ADDR(ebx,edx) movw (%edx),%ax ret ENTRY(SBUS_RA_mem_space_read_4) BUS_ACCESS_ADDR(ebx,edx) movl (%edx),%eax ret /* * write_N */ ENTRY(SBUS_RA_mem_space_write_1) BUS_ACCESS_ADDR(ebx,edx) movb %al,(%edx) ret ENTRY(SBUS_RA_mem_space_write_2) BUS_ACCESS_ADDR(ebx,edx) movw %ax,(%edx) ret ENTRY(SBUS_RA_mem_space_write_4) BUS_ACCESS_ADDR(ebx,edx) movl %eax,(%edx) ret /* * read_multi_N */ ENTRY(SBUS_RA_mem_space_read_multi_1) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: movb (%edx),%al stosb decl %ecx jnz 1b 2: popl %eax ret ENTRY(SBUS_RA_mem_space_read_multi_2) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: movw (%edx),%ax stosw decl %ecx jnz 1b 2: popl %eax ret ENTRY(SBUS_RA_mem_space_read_multi_4) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: movl (%edx),%eax stosl decl %ecx jnz 1b 2: popl %eax ret /* * write_multi_N */ ENTRY(SBUS_RA_mem_space_write_multi_1) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: lodsb movb %al,(%edx) decl %ecx jnz 1b 2: popl %eax ret ENTRY(SBUS_RA_mem_space_write_multi_2) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: lodsw movw %ax,(%edx) decl %ecx jnz 1b 2: popl %eax ret ENTRY(SBUS_RA_mem_space_write_multi_4) BUS_ACCESS_ADDR(ebx,edx) cld pushl %eax orl %ecx,%ecx jz 2f 1: lodsl movl %eax,(%edx) decl %ecx jnz 1b 2: popl %eax ret /* * read_region_N */ ENTRY(SBUS_RA_mem_space_read_region_1) cld pushl %esi orl %ecx,%ecx jz 2f 1: BUS_ACCESS_ADDR2(ebx,edx,esi) movsb incl %edx decl %ecx jnz 1b 2: popl %esi ret ENTRY(SBUS_RA_mem_space_read_region_2) cld pushl %esi orl %ecx,%ecx jz 2f 1: BUS_ACCESS_ADDR2(ebx,edx,esi) movsw addl $2,%edx decl %ecx jnz 1b 2: popl %esi ret ENTRY(SBUS_RA_mem_space_read_region_4) cld pushl %esi orl %ecx,%ecx jz 2f 1: BUS_ACCESS_ADDR2(ebx,edx,esi) movsl addl $4,%edx decl %ecx jnz 1b 2: popl %esi ret /* * write_region_N */ ENTRY(SBUS_RA_mem_space_write_region_1) cld pushl %edi orl %ecx,%ecx jz 2f 1: BUS_ACCESS_ADDR2(ebx,edx,edi) movsb incl %edx decl %ecx jnz 1b 2: popl %edi ret ENTRY(SBUS_RA_mem_space_write_region_2) cld pushl %edi orl %ecx,%ecx jz 2f 1: BUS_ACCESS_ADDR2(ebx,edx,edi) movsw addl $2,%edx decl %ecx jnz 1b 2: popl %edi ret ENTRY(SBUS_RA_mem_space_write_region_4) cld pushl %edi orl %ecx,%ecx jz 2f 1: BUS_ACCESS_ADDR2(ebx,edx,edi) movsl addl $4,%edx decl %ecx jnz 1b 2: popl %edi ret /* * set_multi_N */ ENTRY(SBUS_RA_mem_space_set_multi_1) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: movb %al,(%edx) decl %ecx jnz 1b 2: ret ENTRY(SBUS_RA_mem_space_set_multi_2) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: movw %ax,(%edx) decl %ecx jnz 1b 2: ret ENTRY(SBUS_RA_mem_space_set_multi_4) BUS_ACCESS_ADDR(ebx,edx) orl %ecx,%ecx jz 2f 1: movl %eax,(%edx) decl %ecx jnz 1b 2: ret /* * set_region_N */ ENTRY(SBUS_RA_mem_space_set_region_1) cld pushl %edi orl %ecx,%ecx jz 2f 1: BUS_ACCESS_ADDR2(ebx,edx,edi) stosb incl %edx decl %ecx jnz 1b 2: popl %edi ret ENTRY(SBUS_RA_mem_space_set_region_2) cld pushl %edi orl %ecx,%ecx jz 2f 1: BUS_ACCESS_ADDR2(ebx,edx,edi) stosw addl $2,%edx decl %ecx jnz 1b 2: popl %edi ret ENTRY(SBUS_RA_mem_space_set_region_4) cld pushl %edi orl %ecx,%ecx jz 2f 1: BUS_ACCESS_ADDR2(ebx,edx,edi) stosl addl $4,%edx decl %ecx jnz 1b 2: popl %edi ret /* * copy_region_N */ ENTRY(SBUS_RA_mem_space_copy_region_1) cld orl %ecx,%ecx jz 2f 1: pushl %esi pushl %edi BUS_ACCESS_ADDR(eax,esi) BUS_ACCESS_ADDR(ebx,edi) movsb popl %edi popl %esi incl %esi incl %edi decl %ecx jnz 1b 2: ret ENTRY(SBUS_RA_mem_space_copy_region_2) cld orl %ecx,%ecx jz 2f 1: pushl %esi pushl %edi BUS_ACCESS_ADDR(eax,esi) BUS_ACCESS_ADDR(ebx,edi) movsw popl %edi popl %esi addl $2,%esi addl $2,%edi decl %ecx jnz 1b 2: ret ENTRY(SBUS_RA_mem_space_copy_region_4) cld orl %ecx,%ecx jz 2f 1: pushl %esi pushl %edi BUS_ACCESS_ADDR(eax,esi) BUS_ACCESS_ADDR(ebx,edi) movsl popl %edi popl %esi addl $4,%esi addl $4,%edi decl %ecx jnz 1b 2: ret #undef BUS_ACCESS_ADDR #undef BUS_ACCESS_ADDR2 #include "opt_mecia.h" #ifdef DEV_MECIA /*********************************************************** * NEPC pcmcia 16 bits bus access ***********************************************************/ #define NEPC_SWITCH_BUS16 \ pushl %ebp ;\ pushl %eax ;\ pushl %edx ;\ movl $0x2a8e,%edx ;\ inb %dx,%al ;\ movl %eax,%ebp ;\ andl $~0x20,%eax ;\ outb %al,%dx ;\ popl %edx ;\ popl %eax #define NEPC_BUS_RESTORE \ pushl %eax ;\ movl %ebp,%eax ;\ xchgl %edx,%ebp ;\ movl $0x2a8e,%edx ;\ outb %al,%dx ;\ xchgl %ebp,%edx ;\ popl %eax ;\ popl %ebp /*********************************************************** * NEPC pcmcia 16 bits bus acces (Direct Access) ***********************************************************/ #define BUS_ACCESS_ADDR(BSHREG,ADDRREG) \ addl BUS_SPACE_HANDLE_BASE/**/(%/**/BSHREG/**/),%/**/ADDRREG ENTRY(NEPC_DA_io_space_read_2) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 inw %dx,%ax NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_write_2) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 outw %ax,%dx NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_read_multi_2) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 cld rep insw NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_write_multi_2) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 cld rep outsw NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_read_region_2) NEPC_SWITCH_BUS16 call SBUS_DA_io_space_read_region_2 NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_write_region_2) NEPC_SWITCH_BUS16 call SBUS_DA_io_space_write_region_2 NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_set_multi_2) NEPC_SWITCH_BUS16 call SBUS_DA_io_space_set_multi_2 NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_set_region_2) NEPC_SWITCH_BUS16 call SBUS_DA_io_space_set_region_2 NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_copy_region_2) NEPC_SWITCH_BUS16 call SBUS_DA_io_space_copy_region_2 NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_read_4) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 inl %dx,%eax NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_write_4) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 outl %eax,%dx NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_read_multi_4) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 cld rep insl NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_write_multi_4) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 cld rep outsl NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_read_region_4) NEPC_SWITCH_BUS16 call SBUS_DA_io_space_read_region_4 NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_write_region_4) NEPC_SWITCH_BUS16 call SBUS_DA_io_space_write_region_4 NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_set_multi_4) NEPC_SWITCH_BUS16 call SBUS_DA_io_space_set_multi_4 NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_set_region_4) NEPC_SWITCH_BUS16 call SBUS_DA_io_space_set_region_4 NEPC_BUS_RESTORE ret ENTRY(NEPC_DA_io_space_copy_region_4) NEPC_SWITCH_BUS16 call SBUS_DA_io_space_copy_region_4 NEPC_BUS_RESTORE ret #undef BUS_ACCESS_ADDR /*********************************************************** * NEPC pcmcia 16 bits bus acces (Relocate Access) ***********************************************************/ #define BUS_ACCESS_ADDR(BSHREG,ADDRREG) \ movl BUS_SPACE_HANDLE_IAT/**/(%/**/BSHREG/**/, %/**/ADDRREG/**/, 4), \ %/**/ADDRREG ENTRY(NEPC_RA_io_space_read_2) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 inw %dx,%ax NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_write_2) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 outw %ax,%dx NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_read_multi_2) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 cld rep insw NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_write_multi_2) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 cld rep outsw NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_read_region_2) NEPC_SWITCH_BUS16 call SBUS_RA_io_space_read_region_2 NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_write_region_2) NEPC_SWITCH_BUS16 call SBUS_RA_io_space_write_region_2 NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_set_multi_2) NEPC_SWITCH_BUS16 call SBUS_RA_io_space_set_multi_2 NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_set_region_2) NEPC_SWITCH_BUS16 call SBUS_RA_io_space_set_region_2 NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_copy_region_2) NEPC_SWITCH_BUS16 call SBUS_RA_io_space_copy_region_2 NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_read_4) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 inl %dx,%eax NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_write_4) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 outl %eax,%dx NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_read_multi_4) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 cld rep insl NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_write_multi_4) BUS_ACCESS_ADDR(ebx,edx) NEPC_SWITCH_BUS16 cld rep outsl NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_read_region_4) NEPC_SWITCH_BUS16 call SBUS_RA_io_space_read_region_4 NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_write_region_4) NEPC_SWITCH_BUS16 call SBUS_RA_io_space_write_region_4 NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_set_multi_4) NEPC_SWITCH_BUS16 call SBUS_RA_io_space_set_multi_4 NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_set_region_4) NEPC_SWITCH_BUS16 call SBUS_RA_io_space_set_region_4 NEPC_BUS_RESTORE ret ENTRY(NEPC_RA_io_space_copy_region_4) NEPC_SWITCH_BUS16 call SBUS_RA_io_space_copy_region_4 NEPC_BUS_RESTORE ret #endif /* DEV_MECIA */