Date: Sat, 6 Nov 1999 15:11:48 -0800 From: "David O'Brien" <obrien@freebsd.org> To: Gary Jennejohn <garyj@muc.de> Cc: freebsd-current@freebsd.org Subject: Re: show stopper for Gcc 2.95.2 conversion Message-ID: <19991106151148.B5642@dragon.nuxi.com> In-Reply-To: <199911060934.KAA00510@peedub.muc.de>; from garyj@peedub.muc.de on Sat, Nov 06, 1999 at 10:34:18AM %2B0100 References: <Pine.BSF.4.10.9911061555100.5557-100000@alphplex.bde.org> <199911060934.KAA00510@peedub.muc.de>
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On Sat, Nov 06, 1999 at 10:34:18AM +0100, Gary Jennejohn wrote:
> Here's a patch to bus.h which works for both EGCS and GCC 2.95.2. I have
Here is the patch I've been working on (before I 1st got BDE's reply).
The changes are mostly from OpenBSD + style changes for the way we do
things. Can you also test this one?
Index: bus.h
===================================================================
RCS file: /home/ncvs/src/sys/i386/include/bus.h,v
retrieving revision 1.6
diff -u -r1.6 bus.h
--- bus.h 1999/08/28 00:44:07 1.6
+++ bus.h 1999/11/06 21:42:15
@@ -252,15 +252,14 @@
else
#endif
{
- int __x __asm__("%eax");
__asm __volatile(" \n\
cld \n\
- 1: movb (%1),%%al \n\
+ 1: movb (%2),%%al \n\
stosb \n\
loop 1b" :
- "=&a" (__x) :
- "r" (bsh + offset), "D" (addr), "c" (count) :
- "%edi", "%ecx", "memory");
+ "=D" (addr), "=c" (count) :
+ "r" (bsh + offset), "0" (addr), "1" (count) :
+ "%eax", "memory");
}
#endif
}
@@ -280,15 +279,14 @@
else
#endif
{
- int __x __asm__("%eax");
__asm __volatile(" \n\
cld \n\
- 1: movw (%1),%%ax \n\
+ 1: movw (%2),%%ax \n\
stosw \n\
loop 1b" :
- "=&a" (__x) :
- "r" (bsh + offset), "D" (addr), "c" (count) :
- "%edi", "%ecx", "memory");
+ "=D" (addr), "=c" (count) :
+ "r" (bsh + offset), "0" (addr), "1" (count) :
+ "%eax", "memory");
}
#endif
}
@@ -308,15 +306,14 @@
else
#endif
{
- int __x __asm__("%eax");
__asm __volatile(" \n\
cld \n\
- 1: movl (%1),%%eax \n\
+ 1: movl (%2),%%eax \n\
stosl \n\
loop 1b" :
- "=&a" (__x) :
- "r" (bsh + offset), "D" (addr), "c" (count) :
- "%edi", "%ecx", "memory");
+ "=D" (addr), "=c" (count) :
+ "r" (bsh + offset), "0" (addr), "1" (count) :
+ "%eax", "memory");
}
#endif
}
@@ -355,16 +352,16 @@
if (tag == I386_BUS_SPACE_IO)
#endif
{
- int __x __asm__("%eax");
+ int _port_ = bsh + offset; \
__asm __volatile(" \n\
cld \n\
- 1: inb %w1,%%al \n\
+ 1: inb %w2,%%al \n\
stosb \n\
- incl %1 \n\
+ incl %2 \n\
loop 1b" :
- "=&a" (__x) :
- "d" (bsh + offset), "D" (addr), "c" (count) :
- "%edx", "%edi", "%ecx", "memory");
+ "=D" (addr), "=c" (count), "=d" (_port_) :
+ "0" (addr), "1" (count), "2" (bsh + offset) :
+ "%eax", "memory", "cc");
}
#endif
#if defined(_I386_BUS_MEMIO_H_)
@@ -372,13 +369,14 @@
else
#endif
{
+ int _port_ = bsh + offset; \
__asm __volatile(" \n\
cld \n\
repne \n\
movsb" :
- :
- "S" (bsh + offset), "D" (addr), "c" (count) :
- "%esi", "%edi", "%ecx", "memory");
+ "=S" (_port_), "=D" (addr), "=c" (count) :
+ "0" (addr), "1" (count), "2" (bsh + offset) :
+ "memory", "cc");
}
#endif
}
@@ -392,16 +390,16 @@
if (tag == I386_BUS_SPACE_IO)
#endif
{
- int __x __asm__("%eax");
+ int _port_ = bsh + offset; \
__asm __volatile(" \n\
cld \n\
- 1: inw %w1,%%ax \n\
+ 1: inw %w2,%%ax \n\
stosw \n\
- addl $2,%1 \n\
+ addl $2,%2 \n\
loop 1b" :
- "=&a" (__x) :
- "d" (bsh + offset), "D" (addr), "c" (count) :
- "%edx", "%edi", "%ecx", "memory");
+ "=D" (addr), "=c" (count), "=d" (_port_) :
+ "0" (addr), "1" (count), "2" (bsh + offset) :
+ "%eax", "memory", "cc");
}
#endif
#if defined(_I386_BUS_MEMIO_H_)
@@ -409,13 +407,14 @@
else
#endif
{
+ int _port_ = bsh + offset; \
__asm __volatile(" \n\
cld \n\
repne \n\
movsw" :
- :
- "S" (bsh + offset), "D" (addr), "c" (count) :
- "%esi", "%edi", "%ecx", "memory");
+ "=S" (_port_), "=D" (addr), "=c" (count) :
+ "0" (addr), "1" (count), "2" (bsh + offset) :
+ "memory", "cc");
}
#endif
}
@@ -429,16 +428,16 @@
if (tag == I386_BUS_SPACE_IO)
#endif
{
- int __x __asm__("%eax");
+ int _port_ = bsh + offset; \
__asm __volatile(" \n\
cld \n\
- 1: inl %w1,%%eax \n\
+ 1: inl %w2,%%eax \n\
stosl \n\
- addl $4,%1 \n\
+ addl $4,%2 \n\
loop 1b" :
- "=&a" (__x) :
- "d" (bsh + offset), "D" (addr), "c" (count) :
- "%edx", "%edi", "%ecx", "memory");
+ "=D" (addr), "=c" (count), "=d" (_port_) :
+ "0" (addr), "1" (count), "2" (bsh + offset) :
+ "%eax", "memory", "cc");
}
#endif
#if defined(_I386_BUS_MEMIO_H_)
@@ -446,13 +445,14 @@
else
#endif
{
+ int _port_ = bsh + offset; \
__asm __volatile(" \n\
cld \n\
repne \n\
movsl" :
- :
- "S" (bsh + offset), "D" (addr), "c" (count) :
- "%esi", "%edi", "%ecx", "memory");
+ "=S" (_port_), "=D" (addr), "=c" (count) :
+ "0" (addr), "1" (count), "2" (bsh + offset) :
+ "memory", "cc");
}
#endif
}
@@ -573,15 +573,14 @@
else
#endif
{
- int __x __asm__("%eax");
__asm __volatile(" \n\
cld \n\
1: lodsb \n\
- movb %%al,(%1) \n\
+ movb %%al,(%2) \n\
loop 1b" :
- "=&a" (__x) :
- "r" (bsh + offset), "S" (addr), "c" (count) :
- "%esi", "%ecx");
+ "=S" (addr), "=c" (count) :
+ "r" (bsh + offset), "0" (addr), "1" (count) :
+ "%eax", "memory", "cc");
}
#endif
}
@@ -601,15 +600,15 @@
else
#endif
{
- int __x __asm__("%eax");
__asm __volatile(" \n\
cld \n\
1: lodsw \n\
movw %%ax,(%1) \n\
+ movw %%ax,(%2) \n\
loop 1b" :
- "=&a" (__x) :
- "r" (bsh + offset), "S" (addr), "c" (count) :
- "%esi", "%ecx");
+ "=S" (addr), "=c" (count) :
+ "r" (bsh + offset), "0" (addr), "1" (count) :
+ "%eax", "memory", "cc");
}
#endif
}
@@ -629,15 +628,14 @@
else
#endif
{
- int __x __asm__("%eax");
__asm __volatile(" \n\
cld \n\
1: lodsl \n\
- movl %%eax,(%1) \n\
+ movl %%eax,(%2) \n\
loop 1b" :
- "=&a" (__x) :
- "r" (bsh + offset), "S" (addr), "c" (count) :
- "%esi", "%ecx");
+ "=S" (addr), "=c" (count) :
+ "r" (bsh + offset), "0" (addr), "1" (count) :
+ "%eax", "memory", "cc");
}
#endif
}
@@ -677,16 +675,16 @@
if (tag == I386_BUS_SPACE_IO)
#endif
{
- int __x __asm__("%eax");
+ int _port_ = bsh + offset; \
__asm __volatile(" \n\
cld \n\
1: lodsb \n\
outb %%al,%w1 \n\
incl %1 \n\
loop 1b" :
- "=&a" (__x) :
- "d" (bsh + offset), "S" (addr), "c" (count) :
- "%edx", "%esi", "%ecx", "memory");
+ "=S" (addr), "=c" (count), "=d" (_port_) :
+ "0" (bsh + offset), "1" (addr), "2" (count) :
+ "%eax", "memory", "cc");
}
#endif
#if defined(_I386_BUS_MEMIO_H_)
@@ -694,13 +692,14 @@
else
#endif
{
+ int _port_ = bsh + offset; \
__asm __volatile(" \n\
cld \n\
repne \n\
movsb" :
- :
- "D" (bsh + offset), "S" (addr), "c" (count) :
- "%edi", "%esi", "%ecx", "memory");
+ "=S" (addr), "=D" (_port_), "=c" (count) :
+ "0" (bsh + offset), "1" (addr), "2" (count) :
+ "memory", "cc");
}
#endif
}
@@ -714,16 +713,16 @@
if (tag == I386_BUS_SPACE_IO)
#endif
{
- int __x __asm__("%eax");
+ int _port_ = bsh + offset; \
__asm __volatile(" \n\
cld \n\
1: lodsw \n\
outw %%ax,%w1 \n\
addl $2,%1 \n\
loop 1b" :
- "=&a" (__x) :
- "d" (bsh + offset), "S" (addr), "c" (count) :
- "%edx", "%esi", "%ecx", "memory");
+ "=S" (addr), "=c" (count), "=d" (_port_) :
+ "0" (bsh + offset), "1" (addr), "2" (count) :
+ "%eax", "memory", "cc");
}
#endif
#if defined(_I386_BUS_MEMIO_H_)
@@ -731,13 +730,14 @@
else
#endif
{
+ int _port_ = bsh + offset; \
__asm __volatile(" \n\
cld \n\
repne \n\
movsw" :
- :
- "D" (bsh + offset), "S" (addr), "c" (count) :
- "%edi", "%esi", "%ecx", "memory");
+ "=S" (addr), "=D" (_port_), "=c" (count) :
+ "0" (bsh + offset), "1" (addr), "2" (count) :
+ "memory", "cc");
}
#endif
}
@@ -751,16 +751,16 @@
if (tag == I386_BUS_SPACE_IO)
#endif
{
- int __x __asm__("%eax");
+ int _port_ = bsh + offset; \
__asm __volatile(" \n\
cld \n\
1: lodsl \n\
outl %%eax,%w1 \n\
addl $4,%1 \n\
loop 1b" :
- "=&a" (__x) :
- "d" (bsh + offset), "S" (addr), "c" (count) :
- "%edx", "%esi", "%ecx", "memory");
+ "=S" (addr), "=c" (count), "=d" (_port_) :
+ "0" (bsh + offset), "1" (addr), "2" (count) :
+ "%eax", "memory", "cc");
}
#endif
#if defined(_I386_BUS_MEMIO_H_)
@@ -768,13 +768,14 @@
else
#endif
{
+ int _port_ = bsh + offset; \
__asm __volatile(" \n\
cld \n\
repne \n\
movsl" :
- :
- "D" (bsh + offset), "S" (addr), "c" (count) :
- "%edi", "%esi", "%ecx", "memory");
+ "=S" (addr), "=D" (_port_), "=c" (count) :
+ "0" (bsh + offset), "1" (addr), "2" (count) :
+ "memory", "cc");
}
#endif
}
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